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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 2004 - 2006, Christian Richter
00005  *
00006  * Christian Richter <crich@beronet.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  *
00018  */
00019 
00020 /*!
00021  * \file
00022  *
00023  * \brief the chan_misdn channel driver for Asterisk
00024  *
00025  * \author Christian Richter <crich@beronet.com>
00026  *
00027  * \extref MISDN http://www.misdn.org/
00028  *
00029  * \ingroup channel_drivers
00030  */
00031 
00032 /*!
00033  * \note
00034  * To use the CCBS/CCNR supplementary service feature and other
00035  * supplementary services using FACILITY messages requires a
00036  * modified version of mISDN.
00037  *
00038  * \note
00039  * The latest modified mISDN v1.1.x based version is available at:
00040  * http://svn.digium.com/svn/thirdparty/mISDN/trunk
00041  * http://svn.digium.com/svn/thirdparty/mISDNuser/trunk
00042  *
00043  * \note
00044  * Taged versions of the modified mISDN code are available under:
00045  * http://svn.digium.com/svn/thirdparty/mISDN/tags
00046  * http://svn.digium.com/svn/thirdparty/mISDNuser/tags
00047  */
00048 
00049 /* Define to enable cli commands to generate canned CCBS messages. */
00050 // #define CCBS_TEST_MESSAGES 1
00051 
00052 /*** MODULEINFO
00053    <depend>isdnnet</depend>
00054    <depend>misdn</depend>
00055    <depend>suppserv</depend>
00056    <support_level>extended</support_level>
00057  ***/
00058 #include "asterisk.h"
00059 
00060 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 358011 $")
00061 
00062 #include <pthread.h>
00063 #include <sys/socket.h>
00064 #include <sys/time.h>
00065 #include <arpa/inet.h>
00066 #include <fcntl.h>
00067 #include <sys/ioctl.h>
00068 #include <signal.h>
00069 #include <sys/file.h>
00070 #include <semaphore.h>
00071 #include <ctype.h>
00072 #include <time.h>
00073 
00074 #include "asterisk/channel.h"
00075 #include "asterisk/config.h"
00076 #include "asterisk/module.h"
00077 #include "asterisk/pbx.h"
00078 #include "asterisk/io.h"
00079 #include "asterisk/frame.h"
00080 #include "asterisk/translate.h"
00081 #include "asterisk/cli.h"
00082 #include "asterisk/musiconhold.h"
00083 #include "asterisk/dsp.h"
00084 #include "asterisk/file.h"
00085 #include "asterisk/callerid.h"
00086 #include "asterisk/indications.h"
00087 #include "asterisk/app.h"
00088 #include "asterisk/features.h"
00089 #include "asterisk/term.h"
00090 #include "asterisk/sched.h"
00091 #include "asterisk/stringfields.h"
00092 #include "asterisk/abstract_jb.h"
00093 #include "asterisk/causes.h"
00094 
00095 #include "chan_misdn_config.h"
00096 #include "isdn_lib.h"
00097 
00098 static char global_tracefile[BUFFERSIZE + 1];
00099 
00100 static int g_config_initialized = 0;
00101 
00102 struct misdn_jb{
00103    int size;
00104    int upper_threshold;
00105    char *samples, *ok;
00106    int wp,rp;
00107    int state_empty;
00108    int state_full;
00109    int state_buffer;
00110    int bytes_wrote;
00111    ast_mutex_t mutexjb;
00112 };
00113 
00114 /*! \brief allocates the jb-structure and initialize the elements */
00115 struct misdn_jb *misdn_jb_init(int size, int upper_threshold);
00116 
00117 /*! \brief frees the data and destroys the given jitterbuffer struct */
00118 void misdn_jb_destroy(struct misdn_jb *jb);
00119 
00120 /*! \brief fills the jitterbuffer with len data returns < 0 if there was an
00121 error (buffer overrun). */
00122 int misdn_jb_fill(struct misdn_jb *jb, const char *data, int len);
00123 
00124 /*! \brief gets len bytes out of the jitterbuffer if available, else only the
00125 available data is returned and the return value indicates the number
00126 of data. */
00127 int misdn_jb_empty(struct misdn_jb *jb, char *data, int len);
00128 
00129 static char *complete_ch(struct ast_cli_args *a);
00130 static char *complete_debug_port(struct ast_cli_args *a);
00131 static char *complete_show_config(struct ast_cli_args *a);
00132 
00133 /* BEGIN: chan_misdn.h */
00134 
00135 #if defined(AST_MISDN_ENHANCEMENTS)
00136 /*
00137  * This timeout duration is to clean up any call completion records that
00138  * are forgotten about by the switch.
00139  */
00140 #define MISDN_CC_RECORD_AGE_MAX     (6UL * 60 * 60)   /* seconds */
00141 
00142 #define MISDN_CC_REQUEST_WAIT_MAX   5  /* seconds */
00143 
00144 /*!
00145  * \brief Caller that initialized call completion services
00146  *
00147  * \details
00148  * This data is the payload for a datastore that is put on the channel that
00149  * initializes call completion services.  This datastore is set to be inherited
00150  * by the outbound mISDN channel.  When one of these channels hangs up, the
00151  * channel pointer will be set to NULL.  That way, we can ensure that we do not
00152  * touch this channel after it gets destroyed.
00153  */
00154 struct misdn_cc_caller {
00155    /*! \brief The channel that initialized call completion services */
00156    struct ast_channel *chan;
00157 };
00158 
00159 struct misdn_cc_notify {
00160    /*! \brief Dialplan: Notify extension priority */
00161    int priority;
00162 
00163    /*! \brief Dialplan: Notify extension context */
00164    char context[AST_MAX_CONTEXT];
00165 
00166    /*! \brief Dialplan: Notify extension number (User-A) */
00167    char exten[AST_MAX_EXTENSION];
00168 };
00169 
00170 /*! \brief mISDN call completion record */
00171 struct misdn_cc_record {
00172    /*! \brief Call completion record linked list */
00173    AST_LIST_ENTRY(misdn_cc_record) list;
00174 
00175    /*! \brief Time the record was created. */
00176    time_t time_created;
00177 
00178    /*! \brief MISDN_CC_RECORD_ID value */
00179    long record_id;
00180 
00181    /*!
00182     * \brief Logical Layer 1 port associated with this
00183     * call completion record
00184     */
00185    int port;
00186 
00187    /*! \brief TRUE if point-to-point mode (CCBS-T/CCNR-T mode) */
00188    int ptp;
00189 
00190    /*! \brief Mode specific parameters */
00191    union {
00192       /*! \brief point-to-point specific parameters. */
00193       struct {
00194          /*!
00195           * \brief Call-completion signaling link.
00196           * NULL if signaling link not established.
00197           */
00198          struct misdn_bchannel *bc;
00199 
00200          /*!
00201           * \brief TRUE if we requested the request retention option
00202           * to be enabled.
00203           */
00204          int requested_retention;
00205 
00206          /*!
00207           * \brief TRUE if the request retention option is enabled.
00208           */
00209          int retention_enabled;
00210       } ptp;
00211 
00212       /*! \brief point-to-multi-point specific parameters. */
00213       struct {
00214          /*! \brief CallLinkageID (valid when port determined) */
00215          int linkage_id;
00216 
00217          /*! \breif CCBSReference (valid when activated is TRUE) */
00218          int reference_id;
00219 
00220          /*! \brief globalRecall(0),   specificRecall(1) */
00221          int recall_mode;
00222       } ptmp;
00223    } mode;
00224 
00225    /*! \brief TRUE if call completion activated */
00226    int activated;
00227 
00228    /*! \brief Outstanding message ID (valid when outstanding_message) */
00229    int invoke_id;
00230 
00231    /*! \brief TRUE if waiting for a response from a message (invoke_id is valid) */
00232    int outstanding_message;
00233 
00234    /*! \brief TRUE if activation has been requested */
00235    int activation_requested;
00236 
00237    /*!
00238     * \brief TRUE if User-A is free
00239     * \note PTMP - Used to answer CCBSStatusRequest.
00240     * PTP - Determines how to respond to CCBS_T_RemoteUserFree.
00241     */
00242    int party_a_free;
00243 
00244    /*! \brief Error code received from last outstanding message. */
00245    enum FacErrorCode error_code;
00246 
00247    /*! \brief Reject code received from last outstanding message. */
00248    enum FacRejectCode reject_code;
00249 
00250    /*!
00251     * \brief Saved struct misdn_bchannel call information when
00252     * attempted to call User-B
00253     */
00254    struct {
00255       /*! \brief User-A caller id information */
00256       struct misdn_party_id caller;
00257 
00258       /*! \brief User-B number information */
00259       struct misdn_party_dialing dialed;
00260 
00261       /*! \brief The BC, HLC (optional) and LLC (optional) contents from the SETUP message. */
00262       struct Q931_Bc_Hlc_Llc setup_bc_hlc_llc;
00263 
00264       /*! \brief SETUP message bearer capability field code value */
00265       int capability;
00266 
00267       /*! \brief TRUE if call made in digital HDLC mode */
00268       int hdlc;
00269    } redial;
00270 
00271    /*! \brief Dialplan location to indicate User-B free and User-A is free */
00272    struct misdn_cc_notify remote_user_free;
00273 
00274    /*! \brief Dialplan location to indicate User-B free and User-A is busy */
00275    struct misdn_cc_notify b_free;
00276 };
00277 
00278 /*! \brief mISDN call completion record database */
00279 static AST_LIST_HEAD_STATIC(misdn_cc_records_db, misdn_cc_record);
00280 /*! \brief Next call completion record ID to use */
00281 static __u16 misdn_cc_record_id;
00282 /*! \brief Next invoke ID to use */
00283 static __s16 misdn_invoke_id;
00284 
00285 static const char misdn_no_response_from_network[] = "No response from network";
00286 static const char misdn_cc_record_not_found[] = "Call completion record not found";
00287 
00288 /* mISDN channel variable names */
00289 #define MISDN_CC_RECORD_ID "MISDN_CC_RECORD_ID"
00290 #define MISDN_CC_STATUS    "MISDN_CC_STATUS"
00291 #define MISDN_ERROR_MSG    "MISDN_ERROR_MSG"
00292 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00293 
00294 static ast_mutex_t release_lock;
00295 
00296 enum misdn_chan_state {
00297    MISDN_NOTHING = 0,         /*!< at beginning */
00298    MISDN_WAITING4DIGS,        /*!< when waiting for info */
00299    MISDN_EXTCANTMATCH,        /*!< when asterisk couldn't match our ext */
00300    MISDN_INCOMING_SETUP,      /*!< for incoming setup */
00301    MISDN_DIALING,             /*!< when pbx_start */
00302    MISDN_PROGRESS,            /*!< we have progress */
00303    MISDN_PROCEEDING,          /*!< we have progress */
00304    MISDN_CALLING,             /*!< when misdn_call is called */
00305    MISDN_CALLING_ACKNOWLEDGE, /*!< when we get SETUP_ACK */
00306    MISDN_ALERTING,            /*!< when Alerting */
00307    MISDN_BUSY,                /*!< when BUSY */
00308    MISDN_CONNECTED,           /*!< when connected */
00309    MISDN_DISCONNECTED,        /*!< when connected */
00310    MISDN_CLEANING,            /*!< when hangup from * but we were connected before */
00311 };
00312 
00313 /*! Asterisk created the channel (outgoing call) */
00314 #define ORG_AST 1
00315 /*! mISDN created the channel (incoming call) */
00316 #define ORG_MISDN 2
00317 
00318 enum misdn_hold_state {
00319    MISDN_HOLD_IDLE,     /*!< HOLD not active */
00320    MISDN_HOLD_ACTIVE,      /*!< Call is held */
00321    MISDN_HOLD_TRANSFER, /*!< Held call is being transferred */
00322    MISDN_HOLD_DISCONNECT,  /*!< Held call is being disconnected */
00323 };
00324 struct hold_info {
00325    /*!
00326     * \brief Call HOLD state.
00327     */
00328    enum misdn_hold_state state;
00329    /*!
00330     * \brief Logical port the channel call record is HELD on
00331     * because the B channel is no longer associated.
00332     */
00333    int port;
00334 
00335    /*!
00336     * \brief Original B channel number the HELD call was using.
00337     * \note Used only for debug display messages.
00338     */
00339    int channel;
00340 };
00341 
00342 #define chan_list_ref(obj, debug) (ao2_t_ref((obj), +1, (debug)), (obj))
00343 #define chan_list_unref(obj, debug) (ao2_t_ref((obj), -1, (debug)), NULL)
00344 
00345 /*!
00346  * \brief Channel call record structure
00347  */
00348 struct chan_list {
00349    /*!
00350     * \brief The "allowed_bearers" string read in from /etc/asterisk/misdn.conf
00351     */
00352    char allowed_bearers[BUFFERSIZE + 1];
00353 
00354    /*!
00355     * \brief State of the channel
00356     */
00357    enum misdn_chan_state state;
00358 
00359    /*!
00360     * \brief TRUE if a hangup needs to be queued
00361     * \note This is a debug flag only used to catch calls to hangup_chan() that are already hungup.
00362     */
00363    int need_queue_hangup;
00364 
00365    /*!
00366     * \brief TRUE if a channel can be hung up by calling asterisk directly when done.
00367     */
00368    int need_hangup;
00369 
00370    /*!
00371     * \brief TRUE if we could send an AST_CONTROL_BUSY if needed.
00372     */
00373    int need_busy;
00374 
00375    /*!
00376     * \brief Who originally created this channel. ORG_AST or ORG_MISDN
00377     */
00378    int originator;
00379 
00380    /*!
00381     * \brief TRUE of we are not to respond immediately to a SETUP message.  Check the dialplan first.
00382     * \note The "noautorespond_on_setup" boolean read in from /etc/asterisk/misdn.conf
00383     */
00384    int noautorespond_on_setup;
00385 
00386    int norxtone;  /*!< Boolean assigned values but the value is not used. */
00387 
00388    /*!
00389     * \brief TRUE if we are not to generate tones (Playtones)
00390     */
00391    int notxtone;
00392 
00393    /*!
00394     * \brief TRUE if echo canceller is enabled.  Value is toggled.
00395     */
00396    int toggle_ec;
00397 
00398    /*!
00399     * \brief TRUE if you want to send Tone Indications to an incoming
00400     * ISDN channel on a TE Port.
00401     * \note The "incoming_early_audio" boolean read in from /etc/asterisk/misdn.conf
00402     */
00403    int incoming_early_audio;
00404 
00405    /*!
00406     * \brief TRUE if DTMF digits are to be passed inband only.
00407     * \note It is settable by the misdn_set_opt() application.
00408     */
00409    int ignore_dtmf;
00410 
00411    /*!
00412     * \brief Pipe file descriptor handles array.
00413     * Read from pipe[0], write to pipe[1]
00414     */
00415    int pipe[2];
00416 
00417    /*!
00418     * \brief Read buffer for inbound audio from pipe[0]
00419     */
00420    char ast_rd_buf[4096];
00421 
00422    /*!
00423     * \brief Inbound audio frame returned by misdn_read().
00424     */
00425    struct ast_frame frame;
00426 
00427    /*!
00428     * \brief Fax detection option. (0:no 1:yes 2:yes+nojump)
00429     * \note The "faxdetect" option string read in from /etc/asterisk/misdn.conf
00430     * \note It is settable by the misdn_set_opt() application.
00431     */
00432    int faxdetect;
00433 
00434    /*!
00435     * \brief Number of seconds to detect a Fax machine when detection enabled.
00436     * \note 0 disables the timeout.
00437     * \note The "faxdetect_timeout" value read in from /etc/asterisk/misdn.conf
00438     */
00439    int faxdetect_timeout;
00440 
00441    /*!
00442     * \brief Starting time of fax detection with timeout when nonzero.
00443     */
00444    struct timeval faxdetect_tv;
00445 
00446    /*!
00447     * \brief TRUE if a fax has been detected.
00448     */
00449    int faxhandled;
00450 
00451    /*!
00452     * \brief TRUE if we will use the Asterisk DSP to detect DTMF/Fax
00453     * \note The "astdtmf" boolean read in from /etc/asterisk/misdn.conf
00454     */
00455    int ast_dsp;
00456 
00457    /*!
00458     * \brief Jitterbuffer length
00459     * \note The "jitterbuffer" value read in from /etc/asterisk/misdn.conf
00460     */
00461    int jb_len;
00462 
00463    /*!
00464     * \brief Jitterbuffer upper threshold
00465     * \note The "jitterbuffer_upper_threshold" value read in from /etc/asterisk/misdn.conf
00466     */
00467    int jb_upper_threshold;
00468 
00469    /*!
00470     * \brief Allocated jitterbuffer controller
00471     * \note misdn_jb_init() creates the jitterbuffer.
00472     * \note Must use misdn_jb_destroy() to clean up.
00473     */
00474    struct misdn_jb *jb;
00475 
00476    /*!
00477     * \brief Allocated DSP controller
00478     * \note ast_dsp_new() creates the DSP controller.
00479     * \note Must use ast_dsp_free() to clean up.
00480     */
00481    struct ast_dsp *dsp;
00482 
00483    /*!
00484     * \brief Associated Asterisk channel structure.
00485     */
00486    struct ast_channel * ast;
00487 
00488    /*!
00489     * \brief Associated B channel structure.
00490     */
00491    struct misdn_bchannel *bc;
00492 
00493 #if defined(AST_MISDN_ENHANCEMENTS)
00494    /*!
00495     * \brief Peer channel for which call completion was initialized.
00496     */
00497    struct misdn_cc_caller *peer;
00498 
00499    /*! \brief Associated call completion record ID (-1 if not associated) */
00500    long record_id;
00501 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00502 
00503    /*!
00504     * \brief HELD channel call information
00505     */
00506    struct hold_info hold;
00507 
00508    /*!
00509     * \brief From associated B channel: Layer 3 process ID
00510     * \note Used to find the HELD channel call record when retrieving a call.
00511     */
00512    unsigned int l3id;
00513 
00514    /*!
00515     * \brief From associated B channel: B Channel mISDN driver layer ID from mISDN_get_layerid()
00516     * \note Used only for debug display messages.
00517     */
00518    int addr;
00519 
00520    /*!
00521     * \brief Incoming call dialplan context identifier.
00522     * \note The "context" string read in from /etc/asterisk/misdn.conf
00523     */
00524    char context[AST_MAX_CONTEXT];
00525 
00526    /*!
00527     * \brief The configured music-on-hold class to use for this call.
00528     * \note The "musicclass" string read in from /etc/asterisk/misdn.conf
00529     */
00530    char mohinterpret[MAX_MUSICCLASS];
00531 
00532    /*!
00533     * \brief Number of outgoing audio frames dropped since last debug gripe message.
00534     */
00535    int dropped_frame_cnt;
00536 
00537    /*!
00538     * \brief TRUE if we must do the ringback tones.
00539     * \note The "far_alerting" boolean read in from /etc/asterisk/misdn.conf
00540     */
00541    int far_alerting;
00542 
00543    /*!
00544     * \brief TRUE if NT should disconnect an overlap dialing call when a timeout occurs.
00545     * \note The "nttimeout" boolean read in from /etc/asterisk/misdn.conf
00546     */
00547    int nttimeout;
00548 
00549    /*!
00550     * \brief Tone zone sound used for dialtone generation.
00551     * \note Used as a boolean.  Non-NULL to prod generation if enabled.
00552     */
00553    struct ast_tone_zone_sound *ts;
00554 
00555    /*!
00556     * \brief Enables overlap dialing for the set amount of seconds.  (0 = Disabled)
00557     * \note The "overlapdial" value read in from /etc/asterisk/misdn.conf
00558     */
00559    int overlap_dial;
00560 
00561    /*!
00562     * \brief Overlap dialing timeout Task ID.  -1 if not running.
00563     */
00564    int overlap_dial_task;
00565 
00566    /*!
00567     * \brief overlap_tv access lock.
00568     */
00569    ast_mutex_t overlap_tv_lock;
00570 
00571    /*!
00572     * \brief Overlap timer start time.  Timer restarted for every digit received.
00573     */
00574    struct timeval overlap_tv;
00575 
00576    /*!
00577     * \brief Next channel call record in the list.
00578     */
00579    struct chan_list *next;
00580 };
00581 
00582 
00583 int MAXTICS = 8;
00584 
00585 
00586 void export_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
00587 void import_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
00588 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame);
00589 
00590 struct robin_list {
00591    char *group;
00592    int port;
00593    int channel;
00594    struct robin_list *next;
00595    struct robin_list *prev;
00596 };
00597 static struct robin_list *robin = NULL;
00598 
00599 
00600 static void free_robin_list(void)
00601 {
00602    struct robin_list *r;
00603    struct robin_list *next;
00604 
00605    for (r = robin, robin = NULL; r; r = next) {
00606       next = r->next;
00607       ast_free(r->group);
00608       ast_free(r);
00609    }
00610 }
00611 
00612 static struct robin_list *get_robin_position(char *group)
00613 {
00614    struct robin_list *new;
00615    struct robin_list *iter = robin;
00616    for (; iter; iter = iter->next) {
00617       if (!strcasecmp(iter->group, group)) {
00618          return iter;
00619       }
00620    }
00621    new = ast_calloc(1, sizeof(*new));
00622    if (!new) {
00623       return NULL;
00624    }
00625    new->group = ast_strdup(group);
00626    if (!new->group) {
00627       ast_free(new);
00628       return NULL;
00629    }
00630    new->channel = 1;
00631    if (robin) {
00632       new->next = robin;
00633       robin->prev = new;
00634    }
00635    robin = new;
00636    return robin;
00637 }
00638 
00639 
00640 /*! \brief the main schedule context for stuff like l1 watcher, overlap dial, ... */
00641 static struct sched_context *misdn_tasks = NULL;
00642 static pthread_t misdn_tasks_thread;
00643 
00644 static int *misdn_ports;
00645 
00646 static void chan_misdn_log(int level, int port, char *tmpl, ...)
00647    __attribute__((format(printf, 3, 4)));
00648 
00649 static struct ast_channel *misdn_new(struct chan_list *cl, int state,  char *exten, char *callerid, int format, const char *linkedid, int port, int c);
00650 static void send_digit_to_chan(struct chan_list *cl, char digit);
00651 
00652 static int pbx_start_chan(struct chan_list *ch);
00653 
00654 #define MISDN_ASTERISK_TECH_PVT(ast) ast->tech_pvt
00655 
00656 #include "asterisk/strings.h"
00657 
00658 /* #define MISDN_DEBUG 1 */
00659 
00660 static const char misdn_type[] = "mISDN";
00661 
00662 static int tracing = 0;
00663 
00664 /*! \brief Only alaw and mulaw is allowed for now */
00665 static int prefformat =  AST_FORMAT_ALAW ; /*  AST_FORMAT_SLINEAR ;  AST_FORMAT_ULAW | */
00666 
00667 static int *misdn_debug;
00668 static int *misdn_debug_only;
00669 static int max_ports;
00670 
00671 static int *misdn_in_calls;
00672 static int *misdn_out_calls;
00673 
00674 /*!
00675  * \brief Global channel call record list head.
00676  */
00677 static struct chan_list *cl_te=NULL;
00678 static ast_mutex_t cl_te_lock;
00679 
00680 static enum event_response_e
00681 cb_events(enum event_e event, struct misdn_bchannel *bc, void *user_data);
00682 
00683 static int send_cause2ast(struct ast_channel *ast, struct misdn_bchannel *bc, struct chan_list *ch);
00684 
00685 static void cl_queue_chan(struct chan_list *chan);
00686 
00687 static int dialtone_indicate(struct chan_list *cl);
00688 static void hanguptone_indicate(struct chan_list *cl);
00689 static int stop_indicate(struct chan_list *cl);
00690 
00691 static int start_bc_tones(struct chan_list *cl);
00692 static int stop_bc_tones(struct chan_list *cl);
00693 static void release_chan_early(struct chan_list *ch);
00694 static void release_chan(struct chan_list *ch, struct misdn_bchannel *bc);
00695 
00696 #if defined(AST_MISDN_ENHANCEMENTS)
00697 static const char misdn_command_name[] = "misdn_command";
00698 static int misdn_command_exec(struct ast_channel *chan, const char *data);
00699 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00700 static int misdn_check_l2l1(struct ast_channel *chan, const char *data);
00701 static int misdn_set_opt_exec(struct ast_channel *chan, const char *data);
00702 static int misdn_facility_exec(struct ast_channel *chan, const char *data);
00703 
00704 int chan_misdn_jb_empty(struct misdn_bchannel *bc, char *buf, int len);
00705 
00706 void debug_numtype(int port, int numtype, char *type);
00707 
00708 int add_out_calls(int port);
00709 int add_in_calls(int port);
00710 
00711 
00712 #ifdef MISDN_1_2
00713 static int update_pipeline_config(struct misdn_bchannel *bc);
00714 #else
00715 static int update_ec_config(struct misdn_bchannel *bc);
00716 #endif
00717 
00718 
00719 
00720 /*************** Helpers *****************/
00721 
00722 static int misdn_chan_is_valid(struct chan_list *ch)
00723 {
00724    struct chan_list *list;
00725 
00726    ast_mutex_lock(&cl_te_lock);
00727    for (list = cl_te; list; list = list->next) {
00728       if (list == ch) {
00729          ast_mutex_unlock(&cl_te_lock);
00730          return 1;
00731       }
00732    }
00733    ast_mutex_unlock(&cl_te_lock);
00734 
00735    return 0;
00736 }
00737 
00738 /*! Returns a reference to the found chan_list. */
00739 static struct chan_list *get_chan_by_ast(struct ast_channel *ast)
00740 {
00741    struct chan_list *tmp;
00742 
00743    ast_mutex_lock(&cl_te_lock);
00744    for (tmp = cl_te; tmp; tmp = tmp->next) {
00745       if (tmp->ast == ast) {
00746          chan_list_ref(tmp, "Found chan_list by ast");
00747          ast_mutex_unlock(&cl_te_lock);
00748          return tmp;
00749       }
00750    }
00751    ast_mutex_unlock(&cl_te_lock);
00752 
00753    return NULL;
00754 }
00755 
00756 /*! Returns a reference to the found chan_list. */
00757 static struct chan_list *get_chan_by_ast_name(const char *name)
00758 {
00759    struct chan_list *tmp;
00760 
00761    ast_mutex_lock(&cl_te_lock);
00762    for (tmp = cl_te; tmp; tmp = tmp->next) {
00763       if (tmp->ast && strcmp(tmp->ast->name, name) == 0) {
00764          chan_list_ref(tmp, "Found chan_list by ast name");
00765          ast_mutex_unlock(&cl_te_lock);
00766          return tmp;
00767       }
00768    }
00769    ast_mutex_unlock(&cl_te_lock);
00770 
00771    return NULL;
00772 }
00773 
00774 #if defined(AST_MISDN_ENHANCEMENTS)
00775 /*!
00776  * \internal
00777  * \brief Destroy the misdn_cc_ds_info datastore payload
00778  *
00779  * \param[in] data the datastore payload, a reference to an misdn_cc_caller
00780  *
00781  * \details
00782  * Since the payload is a reference to an astobj2 object, we just decrement its
00783  * reference count.  Before doing so, we NULL out the channel pointer inside of
00784  * the misdn_cc_caller instance.  This function will be called in one of two
00785  * cases.  In both cases, we no longer need the channel pointer:
00786  *
00787  *  - The original channel that initialized call completion services, the same
00788  *    channel that is stored here, has been destroyed early.  This could happen
00789  *    if it transferred the mISDN channel, for example.
00790  *
00791  *  - The mISDN channel that had this datastore inherited on to it is now being
00792  *    destroyed.  If this is the case, then the call completion events have
00793  *    already occurred and the appropriate channel variables have already been
00794  *    set on the original channel that requested call completion services.
00795  *
00796  * \return Nothing
00797  */
00798 static void misdn_cc_ds_destroy(void *data)
00799 {
00800    struct misdn_cc_caller *cc_caller = data;
00801 
00802    ao2_lock(cc_caller);
00803    cc_caller->chan = NULL;
00804    ao2_unlock(cc_caller);
00805 
00806    ao2_ref(cc_caller, -1);
00807 }
00808 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00809 
00810 #if defined(AST_MISDN_ENHANCEMENTS)
00811 /*!
00812  * \internal
00813  * \brief Duplicate the misdn_cc_ds_info datastore payload
00814  *
00815  * \param[in] data the datastore payload, a reference to an misdn_cc_caller
00816  *
00817  * \details
00818  * All we need to do is bump the reference count and return the same instance.
00819  *
00820  * \return A reference to an instance of a misdn_cc_caller
00821  */
00822 static void *misdn_cc_ds_duplicate(void *data)
00823 {
00824    struct misdn_cc_caller *cc_caller = data;
00825 
00826    ao2_ref(cc_caller, +1);
00827 
00828    return cc_caller;
00829 }
00830 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00831 
00832 #if defined(AST_MISDN_ENHANCEMENTS)
00833 static const struct ast_datastore_info misdn_cc_ds_info = {
00834    .type      = "misdn_cc",
00835    .destroy   = misdn_cc_ds_destroy,
00836    .duplicate = misdn_cc_ds_duplicate,
00837 };
00838 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00839 
00840 #if defined(AST_MISDN_ENHANCEMENTS)
00841 /*!
00842  * \internal
00843  * \brief Set a channel var on the peer channel for call completion services
00844  *
00845  * \param[in] peer The peer that initialized call completion services
00846  * \param[in] var The variable name to set
00847  * \param[in] value The variable value to set
00848  *
00849  * This function may be called from outside of the channel thread.  It handles
00850  * the fact that the peer channel may be hung up and destroyed at any time.
00851  *
00852  * \return nothing
00853  */
00854 static void misdn_cc_set_peer_var(struct misdn_cc_caller *peer, const char *var,
00855    const char *value)
00856 {
00857    ao2_lock(peer);
00858 
00859    /*! \todo XXX This nastiness can go away once ast_channel is ref counted! */
00860    while (peer->chan && ast_channel_trylock(peer->chan)) {
00861       ao2_unlock(peer);
00862       sched_yield();
00863       ao2_lock(peer);
00864    }
00865 
00866    if (peer->chan) {
00867       pbx_builtin_setvar_helper(peer->chan, var, value);
00868       ast_channel_unlock(peer->chan);
00869    }
00870 
00871    ao2_unlock(peer);
00872 }
00873 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00874 
00875 #if defined(AST_MISDN_ENHANCEMENTS)
00876 /*!
00877  * \internal
00878  * \brief Get a reference to the CC caller if it exists
00879  */
00880 static struct misdn_cc_caller *misdn_cc_caller_get(struct ast_channel *chan)
00881 {
00882    struct ast_datastore *datastore;
00883    struct misdn_cc_caller *cc_caller;
00884 
00885    ast_channel_lock(chan);
00886 
00887    if (!(datastore = ast_channel_datastore_find(chan, &misdn_cc_ds_info, NULL))) {
00888       ast_channel_unlock(chan);
00889       return NULL;
00890    }
00891 
00892    ao2_ref(datastore->data, +1);
00893    cc_caller = datastore->data;
00894 
00895    ast_channel_unlock(chan);
00896 
00897    return cc_caller;
00898 }
00899 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00900 
00901 #if defined(AST_MISDN_ENHANCEMENTS)
00902 /*!
00903  * \internal
00904  * \brief Find the call completion record given the record id.
00905  *
00906  * \param record_id
00907  *
00908  * \retval pointer to found call completion record
00909  * \retval NULL if not found
00910  *
00911  * \note Assumes the misdn_cc_records_db lock is already obtained.
00912  */
00913 static struct misdn_cc_record *misdn_cc_find_by_id(long record_id)
00914 {
00915    struct misdn_cc_record *current;
00916 
00917    AST_LIST_TRAVERSE(&misdn_cc_records_db, current, list) {
00918       if (current->record_id == record_id) {
00919          /* Found the record */
00920          break;
00921       }
00922    }
00923 
00924    return current;
00925 }
00926 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00927 
00928 #if defined(AST_MISDN_ENHANCEMENTS)
00929 /*!
00930  * \internal
00931  * \brief Find the call completion record given the port and call linkage id.
00932  *
00933  * \param port Logical port number
00934  * \param linkage_id Call linkage ID number from switch.
00935  *
00936  * \retval pointer to found call completion record
00937  * \retval NULL if not found
00938  *
00939  * \note Assumes the misdn_cc_records_db lock is already obtained.
00940  */
00941 static struct misdn_cc_record *misdn_cc_find_by_linkage(int port, int linkage_id)
00942 {
00943    struct misdn_cc_record *current;
00944 
00945    AST_LIST_TRAVERSE(&misdn_cc_records_db, current, list) {
00946       if (current->port == port
00947          && !current->ptp
00948          && current->mode.ptmp.linkage_id == linkage_id) {
00949          /* Found the record */
00950          break;
00951       }
00952    }
00953 
00954    return current;
00955 }
00956 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00957 
00958 #if defined(AST_MISDN_ENHANCEMENTS)
00959 /*!
00960  * \internal
00961  * \brief Find the call completion record given the port and outstanding invocation id.
00962  *
00963  * \param port Logical port number
00964  * \param invoke_id Outstanding message invocation ID number.
00965  *
00966  * \retval pointer to found call completion record
00967  * \retval NULL if not found
00968  *
00969  * \note Assumes the misdn_cc_records_db lock is already obtained.
00970  */
00971 static struct misdn_cc_record *misdn_cc_find_by_invoke(int port, int invoke_id)
00972 {
00973    struct misdn_cc_record *current;
00974 
00975    AST_LIST_TRAVERSE(&misdn_cc_records_db, current, list) {
00976       if (current->outstanding_message
00977          && current->invoke_id == invoke_id
00978          && current->port == port) {
00979          /* Found the record */
00980          break;
00981       }
00982    }
00983 
00984    return current;
00985 }
00986 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00987 
00988 #if defined(AST_MISDN_ENHANCEMENTS)
00989 /*!
00990  * \internal
00991  * \brief Find the call completion record given the port and CCBS reference id.
00992  *
00993  * \param port Logical port number
00994  * \param reference_id CCBS reference ID number from switch.
00995  *
00996  * \retval pointer to found call completion record
00997  * \retval NULL if not found
00998  *
00999  * \note Assumes the misdn_cc_records_db lock is already obtained.
01000  */
01001 static struct misdn_cc_record *misdn_cc_find_by_reference(int port, int reference_id)
01002 {
01003    struct misdn_cc_record *current;
01004 
01005    AST_LIST_TRAVERSE(&misdn_cc_records_db, current, list) {
01006       if (current->activated
01007          && current->port == port
01008          && !current->ptp
01009          && current->mode.ptmp.reference_id == reference_id) {
01010          /* Found the record */
01011          break;
01012       }
01013    }
01014 
01015    return current;
01016 }
01017 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01018 
01019 #if defined(AST_MISDN_ENHANCEMENTS)
01020 /*!
01021  * \internal
01022  * \brief Find the call completion record given the B channel pointer
01023  *
01024  * \param bc B channel control structure pointer.
01025  *
01026  * \retval pointer to found call completion record
01027  * \retval NULL if not found
01028  *
01029  * \note Assumes the misdn_cc_records_db lock is already obtained.
01030  */
01031 static struct misdn_cc_record *misdn_cc_find_by_bc(const struct misdn_bchannel *bc)
01032 {
01033    struct misdn_cc_record *current;
01034 
01035    if (bc) {
01036       AST_LIST_TRAVERSE(&misdn_cc_records_db, current, list) {
01037          if (current->ptp
01038             && current->mode.ptp.bc == bc) {
01039             /* Found the record */
01040             break;
01041          }
01042       }
01043    } else {
01044       current = NULL;
01045    }
01046 
01047    return current;
01048 }
01049 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01050 
01051 #if defined(AST_MISDN_ENHANCEMENTS)
01052 /*!
01053  * \internal
01054  * \brief Delete the given call completion record
01055  *
01056  * \param doomed Call completion record to destroy
01057  *
01058  * \return Nothing
01059  *
01060  * \note Assumes the misdn_cc_records_db lock is already obtained.
01061  */
01062 static void misdn_cc_delete(struct misdn_cc_record *doomed)
01063 {
01064    struct misdn_cc_record *current;
01065 
01066    AST_LIST_TRAVERSE_SAFE_BEGIN(&misdn_cc_records_db, current, list) {
01067       if (current == doomed) {
01068          AST_LIST_REMOVE_CURRENT(list);
01069          ast_free(current);
01070          return;
01071       }
01072    }
01073    AST_LIST_TRAVERSE_SAFE_END;
01074 
01075    /* The doomed node is not in the call completion database */
01076 }
01077 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01078 
01079 #if defined(AST_MISDN_ENHANCEMENTS)
01080 /*!
01081  * \internal
01082  * \brief Delete all old call completion records
01083  *
01084  * \return Nothing
01085  *
01086  * \note Assumes the misdn_cc_records_db lock is already obtained.
01087  */
01088 static void misdn_cc_remove_old(void)
01089 {
01090    struct misdn_cc_record *current;
01091    time_t now;
01092 
01093    now = time(NULL);
01094    AST_LIST_TRAVERSE_SAFE_BEGIN(&misdn_cc_records_db, current, list) {
01095       if (MISDN_CC_RECORD_AGE_MAX < now - current->time_created) {
01096          if (current->ptp && current->mode.ptp.bc) {
01097             /* Close the old call-completion signaling link */
01098             current->mode.ptp.bc->fac_out.Function = Fac_None;
01099             current->mode.ptp.bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
01100             misdn_lib_send_event(current->mode.ptp.bc, EVENT_RELEASE_COMPLETE);
01101          }
01102 
01103          /* Remove the old call completion record */
01104          AST_LIST_REMOVE_CURRENT(list);
01105          ast_free(current);
01106       }
01107    }
01108    AST_LIST_TRAVERSE_SAFE_END;
01109 }
01110 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01111 
01112 #if defined(AST_MISDN_ENHANCEMENTS)
01113 /*!
01114  * \internal
01115  * \brief Allocate the next record id.
01116  *
01117  * \retval New record id on success.
01118  * \retval -1 on error.
01119  *
01120  * \note Assumes the misdn_cc_records_db lock is already obtained.
01121  */
01122 static long misdn_cc_record_id_new(void)
01123 {
01124    long record_id;
01125    long first_id;
01126 
01127    record_id = ++misdn_cc_record_id;
01128    first_id = record_id;
01129    while (misdn_cc_find_by_id(record_id)) {
01130       record_id = ++misdn_cc_record_id;
01131       if (record_id == first_id) {
01132          /*
01133           * We have a resource leak.
01134           * We should never need to allocate 64k records.
01135           */
01136          chan_misdn_log(0, 0, " --> ERROR Too many call completion records!\n");
01137          record_id = -1;
01138          break;
01139       }
01140    }
01141 
01142    return record_id;
01143 }
01144 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01145 
01146 #if defined(AST_MISDN_ENHANCEMENTS)
01147 /*!
01148  * \internal
01149  * \brief Create a new call completion record
01150  *
01151  * \retval pointer to new call completion record
01152  * \retval NULL if failed
01153  *
01154  * \note Assumes the misdn_cc_records_db lock is already obtained.
01155  */
01156 static struct misdn_cc_record *misdn_cc_new(void)
01157 {
01158    struct misdn_cc_record *cc_record;
01159    long record_id;
01160 
01161    misdn_cc_remove_old();
01162 
01163    cc_record = ast_calloc(1, sizeof(*cc_record));
01164    if (cc_record) {
01165       record_id = misdn_cc_record_id_new();
01166       if (record_id < 0) {
01167          ast_free(cc_record);
01168          return NULL;
01169       }
01170 
01171       /* Initialize the new record */
01172       cc_record->record_id = record_id;
01173       cc_record->port = -1;/* Invalid port so it will never be found this way */
01174       cc_record->invoke_id = ++misdn_invoke_id;
01175       cc_record->party_a_free = 1;/* Default User-A as free */
01176       cc_record->error_code = FacError_None;
01177       cc_record->reject_code = FacReject_None;
01178       cc_record->time_created = time(NULL);
01179 
01180       /* Insert the new record into the database */
01181       AST_LIST_INSERT_HEAD(&misdn_cc_records_db, cc_record, list);
01182    }
01183    return cc_record;
01184 }
01185 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01186 
01187 #if defined(AST_MISDN_ENHANCEMENTS)
01188 /*!
01189  * \internal
01190  * \brief Destroy the call completion record database
01191  *
01192  * \return Nothing
01193  */
01194 static void misdn_cc_destroy(void)
01195 {
01196    struct misdn_cc_record *current;
01197 
01198    while ((current = AST_LIST_REMOVE_HEAD(&misdn_cc_records_db, list))) {
01199       /* Do a misdn_cc_delete(current) inline */
01200       ast_free(current);
01201    }
01202 }
01203 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01204 
01205 #if defined(AST_MISDN_ENHANCEMENTS)
01206 /*!
01207  * \internal
01208  * \brief Initialize the call completion record database
01209  *
01210  * \return Nothing
01211  */
01212 static void misdn_cc_init(void)
01213 {
01214    misdn_cc_record_id = 0;
01215 }
01216 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01217 
01218 #if defined(AST_MISDN_ENHANCEMENTS)
01219 /*!
01220  * \internal
01221  * \brief Check the status of an outstanding invocation request.
01222  *
01223  * \param data Points to an integer containing the call completion record id.
01224  *
01225  * \retval 0 if got a response.
01226  * \retval -1 if no response yet.
01227  */
01228 static int misdn_cc_response_check(void *data)
01229 {
01230    int not_responded;
01231    struct misdn_cc_record *cc_record;
01232 
01233    AST_LIST_LOCK(&misdn_cc_records_db);
01234    cc_record = misdn_cc_find_by_id(*(long *) data);
01235    if (cc_record) {
01236       if (cc_record->outstanding_message) {
01237          not_responded = -1;
01238       } else {
01239          not_responded = 0;
01240       }
01241    } else {
01242       /* No record so there is no response to check. */
01243       not_responded = 0;
01244    }
01245    AST_LIST_UNLOCK(&misdn_cc_records_db);
01246 
01247    return not_responded;
01248 }
01249 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01250 
01251 #if defined(AST_MISDN_ENHANCEMENTS)
01252 /*!
01253  * \internal
01254  * \brief Wait for a response from the switch for an outstanding
01255  * invocation request.
01256  *
01257  * \param chan Asterisk channel to operate upon.
01258  * \param wait_seconds Number of seconds to wait
01259  * \param record_id Call completion record ID.
01260  *
01261  * \return Nothing
01262  */
01263 static void misdn_cc_response_wait(struct ast_channel *chan, int wait_seconds, long record_id)
01264 {
01265    unsigned count;
01266 
01267    for (count = 2 * MISDN_CC_REQUEST_WAIT_MAX; count--;) {
01268       /* Sleep in 500 ms increments */
01269       if (ast_safe_sleep_conditional(chan, 500, misdn_cc_response_check, &record_id) != 0) {
01270          /* We got hung up or our response came in. */
01271          break;
01272       }
01273    }
01274 }
01275 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01276 
01277 #if defined(AST_MISDN_ENHANCEMENTS)
01278 /*!
01279  * \internal
01280  * \brief Convert the mISDN reject code to a string
01281  *
01282  * \param code mISDN reject code.
01283  *
01284  * \return The mISDN reject code as a string
01285  */
01286 static const char *misdn_to_str_reject_code(enum FacRejectCode code)
01287 {
01288    static const struct {
01289       enum FacRejectCode code;
01290       char *name;
01291    } arr[] = {
01292 /* *INDENT-OFF* */
01293       { FacReject_None,                           "No reject occurred" },
01294       { FacReject_Unknown,                        "Unknown reject code" },
01295 
01296       { FacReject_Gen_UnrecognizedComponent,      "General: Unrecognized Component" },
01297       { FacReject_Gen_MistypedComponent,          "General: Mistyped Component" },
01298       { FacReject_Gen_BadlyStructuredComponent,   "General: Badly Structured Component" },
01299 
01300       { FacReject_Inv_DuplicateInvocation,        "Invoke: Duplicate Invocation" },
01301       { FacReject_Inv_UnrecognizedOperation,      "Invoke: Unrecognized Operation" },
01302       { FacReject_Inv_MistypedArgument,           "Invoke: Mistyped Argument" },
01303       { FacReject_Inv_ResourceLimitation,         "Invoke: Resource Limitation" },
01304       { FacReject_Inv_InitiatorReleasing,         "Invoke: Initiator Releasing" },
01305       { FacReject_Inv_UnrecognizedLinkedID,       "Invoke: Unrecognized Linked ID" },
01306       { FacReject_Inv_LinkedResponseUnexpected,   "Invoke: Linked Response Unexpected" },
01307       { FacReject_Inv_UnexpectedChildOperation,   "Invoke: Unexpected Child Operation" },
01308 
01309       { FacReject_Res_UnrecognizedInvocation,     "Result: Unrecognized Invocation" },
01310       { FacReject_Res_ResultResponseUnexpected,   "Result: Result Response Unexpected" },
01311       { FacReject_Res_MistypedResult,             "Result: Mistyped Result" },
01312 
01313       { FacReject_Err_UnrecognizedInvocation,     "Error: Unrecognized Invocation" },
01314       { FacReject_Err_ErrorResponseUnexpected,    "Error: Error Response Unexpected" },
01315       { FacReject_Err_UnrecognizedError,          "Error: Unrecognized Error" },
01316       { FacReject_Err_UnexpectedError,            "Error: Unexpected Error" },
01317       { FacReject_Err_MistypedParameter,          "Error: Mistyped Parameter" },
01318 /* *INDENT-ON* */
01319    };
01320 
01321    unsigned index;
01322 
01323    for (index = 0; index < ARRAY_LEN(arr); ++index) {
01324       if (arr[index].code == code) {
01325          return arr[index].name;
01326       }
01327    }
01328 
01329    return "unknown";
01330 }
01331 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01332 
01333 #if defined(AST_MISDN_ENHANCEMENTS)
01334 /*!
01335  * \internal
01336  * \brief Convert the mISDN error code to a string
01337  *
01338  * \param code mISDN error code.
01339  *
01340  * \return The mISDN error code as a string
01341  */
01342 static const char *misdn_to_str_error_code(enum FacErrorCode code)
01343 {
01344    static const struct {
01345       enum FacErrorCode code;
01346       char *name;
01347    } arr[] = {
01348 /* *INDENT-OFF* */
01349       { FacError_None,                            "No error occurred" },
01350       { FacError_Unknown,                         "Unknown OID error code" },
01351 
01352       { FacError_Gen_NotSubscribed,               "General: Not Subscribed" },
01353       { FacError_Gen_NotAvailable,                "General: Not Available" },
01354       { FacError_Gen_NotImplemented,              "General: Not Implemented" },
01355       { FacError_Gen_InvalidServedUserNr,         "General: Invalid Served User Number" },
01356       { FacError_Gen_InvalidCallState,            "General: Invalid Call State" },
01357       { FacError_Gen_BasicServiceNotProvided,     "General: Basic Service Not Provided" },
01358       { FacError_Gen_NotIncomingCall,             "General: Not Incoming Call" },
01359       { FacError_Gen_SupplementaryServiceInteractionNotAllowed,"General: Supplementary Service Interaction Not Allowed" },
01360       { FacError_Gen_ResourceUnavailable,         "General: Resource Unavailable" },
01361 
01362       { FacError_Div_InvalidDivertedToNr,         "Diversion: Invalid Diverted To Number" },
01363       { FacError_Div_SpecialServiceNr,            "Diversion: Special Service Number" },
01364       { FacError_Div_DiversionToServedUserNr,     "Diversion: Diversion To Served User Number" },
01365       { FacError_Div_IncomingCallAccepted,        "Diversion: Incoming Call Accepted" },
01366       { FacError_Div_NumberOfDiversionsExceeded,  "Diversion: Number Of Diversions Exceeded" },
01367       { FacError_Div_NotActivated,                "Diversion: Not Activated" },
01368       { FacError_Div_RequestAlreadyAccepted,      "Diversion: Request Already Accepted" },
01369 
01370       { FacError_AOC_NoChargingInfoAvailable,     "AOC: No Charging Info Available" },
01371 
01372       { FacError_CCBS_InvalidCallLinkageID,       "CCBS: Invalid Call Linkage ID" },
01373       { FacError_CCBS_InvalidCCBSReference,       "CCBS: Invalid CCBS Reference" },
01374       { FacError_CCBS_LongTermDenial,             "CCBS: Long Term Denial" },
01375       { FacError_CCBS_ShortTermDenial,            "CCBS: Short Term Denial" },
01376       { FacError_CCBS_IsAlreadyActivated,         "CCBS: Is Already Activated" },
01377       { FacError_CCBS_AlreadyAccepted,            "CCBS: Already Accepted" },
01378       { FacError_CCBS_OutgoingCCBSQueueFull,      "CCBS: Outgoing CCBS Queue Full" },
01379       { FacError_CCBS_CallFailureReasonNotBusy,   "CCBS: Call Failure Reason Not Busy" },
01380       { FacError_CCBS_NotReadyForCall,            "CCBS: Not Ready For Call" },
01381 
01382       { FacError_CCBS_T_LongTermDenial,           "CCBS-T: Long Term Denial" },
01383       { FacError_CCBS_T_ShortTermDenial,          "CCBS-T: Short Term Denial" },
01384 
01385       { FacError_ECT_LinkIdNotAssignedByNetwork,  "ECT: Link ID Not Assigned By Network" },
01386 /* *INDENT-ON* */
01387    };
01388 
01389    unsigned index;
01390 
01391    for (index = 0; index < ARRAY_LEN(arr); ++index) {
01392       if (arr[index].code == code) {
01393          return arr[index].name;
01394       }
01395    }
01396 
01397    return "unknown";
01398 }
01399 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01400 
01401 #if defined(AST_MISDN_ENHANCEMENTS)
01402 /*!
01403  * \internal
01404  * \brief Convert mISDN redirecting reason to diversion reason.
01405  *
01406  * \param reason mISDN redirecting reason code.
01407  *
01408  * \return Supported diversion reason code.
01409  */
01410 static unsigned misdn_to_diversion_reason(enum mISDN_REDIRECTING_REASON reason)
01411 {
01412    unsigned diversion_reason;
01413 
01414    switch (reason) {
01415    case mISDN_REDIRECTING_REASON_CALL_FWD:
01416       diversion_reason = 1;/* cfu */
01417       break;
01418    case mISDN_REDIRECTING_REASON_CALL_FWD_BUSY:
01419       diversion_reason = 2;/* cfb */
01420       break;
01421    case mISDN_REDIRECTING_REASON_NO_REPLY:
01422       diversion_reason = 3;/* cfnr */
01423       break;
01424    default:
01425       diversion_reason = 0;/* unknown */
01426       break;
01427    }
01428 
01429    return diversion_reason;
01430 }
01431 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01432 
01433 #if defined(AST_MISDN_ENHANCEMENTS)
01434 /*!
01435  * \internal
01436  * \brief Convert diversion reason to mISDN redirecting reason
01437  *
01438  * \param diversion_reason Diversion reason to convert
01439  *
01440  * \return Supported redirecting reason code.
01441  */
01442 static enum mISDN_REDIRECTING_REASON diversion_reason_to_misdn(unsigned diversion_reason)
01443 {
01444    enum mISDN_REDIRECTING_REASON reason;
01445 
01446    switch (diversion_reason) {
01447    case 1:/* cfu */
01448       reason = mISDN_REDIRECTING_REASON_CALL_FWD;
01449       break;
01450    case 2:/* cfb */
01451       reason = mISDN_REDIRECTING_REASON_CALL_FWD_BUSY;
01452       break;
01453    case 3:/* cfnr */
01454       reason = mISDN_REDIRECTING_REASON_NO_REPLY;
01455       break;
01456    default:
01457       reason = mISDN_REDIRECTING_REASON_UNKNOWN;
01458       break;
01459    }
01460 
01461    return reason;
01462 }
01463 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01464 
01465 #if defined(AST_MISDN_ENHANCEMENTS)
01466 /*!
01467  * \internal
01468  * \brief Convert the mISDN presentation to PresentedNumberUnscreened type
01469  *
01470  * \param presentation mISDN presentation to convert
01471  * \param number_present TRUE if the number is present
01472  *
01473  * \return PresentedNumberUnscreened type
01474  */
01475 static unsigned misdn_to_PresentedNumberUnscreened_type(int presentation, int number_present)
01476 {
01477    unsigned type;
01478 
01479    switch (presentation) {
01480    case 0:/* allowed */
01481       if (number_present) {
01482          type = 0;/* presentationAllowedNumber */
01483       } else {
01484          type = 2;/* numberNotAvailableDueToInterworking */
01485       }
01486       break;
01487    case 1:/* restricted */
01488       if (number_present) {
01489          type = 3;/* presentationRestrictedNumber */
01490       } else {
01491          type = 1;/* presentationRestricted */
01492       }
01493       break;
01494    default:
01495       type = 2;/* numberNotAvailableDueToInterworking */
01496       break;
01497    }
01498 
01499    return type;
01500 }
01501 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01502 
01503 #if defined(AST_MISDN_ENHANCEMENTS)
01504 /*!
01505  * \internal
01506  * \brief Convert the PresentedNumberUnscreened type to mISDN presentation
01507  *
01508  * \param type PresentedNumberUnscreened type
01509  *
01510  * \return mISDN presentation
01511  */
01512 static int PresentedNumberUnscreened_to_misdn_pres(unsigned type)
01513 {
01514    int presentation;
01515 
01516    switch (type) {
01517    default:
01518    case 0:/* presentationAllowedNumber */
01519       presentation = 0;/* allowed */
01520       break;
01521 
01522    case 1:/* presentationRestricted */
01523    case 3:/* presentationRestrictedNumber */
01524       presentation = 1;/* restricted */
01525       break;
01526 
01527    case 2:/* numberNotAvailableDueToInterworking */
01528       presentation = 2;/* unavailable */
01529       break;
01530    }
01531 
01532    return presentation;
01533 }
01534 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01535 
01536 #if defined(AST_MISDN_ENHANCEMENTS)
01537 /*!
01538  * \internal
01539  * \brief Convert the mISDN numbering plan to PartyNumber numbering plan
01540  *
01541  * \param number_plan mISDN numbering plan
01542  *
01543  * \return PartyNumber numbering plan
01544  */
01545 static unsigned misdn_to_PartyNumber_plan(enum mISDN_NUMBER_PLAN number_plan)
01546 {
01547    unsigned party_plan;
01548 
01549    switch (number_plan) {
01550    default:
01551    case NUMPLAN_UNKNOWN:
01552       party_plan = 0;/* unknown */
01553       break;
01554 
01555    case NUMPLAN_ISDN:
01556       party_plan = 1;/* public */
01557       break;
01558 
01559    case NUMPLAN_DATA:
01560       party_plan = 3;/* data */
01561       break;
01562 
01563    case NUMPLAN_TELEX:
01564       party_plan = 4;/* telex */
01565       break;
01566 
01567    case NUMPLAN_NATIONAL:
01568       party_plan = 8;/* nationalStandard */
01569       break;
01570 
01571    case NUMPLAN_PRIVATE:
01572       party_plan = 5;/* private */
01573       break;
01574    }
01575 
01576    return party_plan;
01577 }
01578 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01579 
01580 #if defined(AST_MISDN_ENHANCEMENTS)
01581 /*!
01582  * \internal
01583  * \brief Convert PartyNumber numbering plan to mISDN numbering plan
01584  *
01585  * \param party_plan PartyNumber numbering plan
01586  *
01587  * \return mISDN numbering plan
01588  */
01589 static enum mISDN_NUMBER_PLAN PartyNumber_to_misdn_plan(unsigned party_plan)
01590 {
01591    enum mISDN_NUMBER_PLAN number_plan;
01592 
01593    switch (party_plan) {
01594    default:
01595    case 0:/* unknown */
01596       number_plan = NUMPLAN_UNKNOWN;
01597       break;
01598    case 1:/* public */
01599       number_plan = NUMPLAN_ISDN;
01600       break;
01601    case 3:/* data */
01602       number_plan = NUMPLAN_DATA;
01603       break;
01604    case 4:/* telex */
01605       number_plan = NUMPLAN_TELEX;
01606       break;
01607    case 8:/* nationalStandard */
01608       number_plan = NUMPLAN_NATIONAL;
01609       break;
01610    case 5:/* private */
01611       number_plan = NUMPLAN_PRIVATE;
01612       break;
01613    }
01614 
01615    return number_plan;
01616 }
01617 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01618 
01619 #if defined(AST_MISDN_ENHANCEMENTS)
01620 /*!
01621  * \internal
01622  * \brief Convert mISDN type-of-number to PartyNumber public type-of-number
01623  *
01624  * \param ton mISDN type-of-number
01625  *
01626  * \return PartyNumber public type-of-number
01627  */
01628 static unsigned misdn_to_PartyNumber_ton_public(enum mISDN_NUMBER_TYPE ton)
01629 {
01630    unsigned party_ton;
01631 
01632    switch (ton) {
01633    default:
01634    case NUMTYPE_UNKNOWN:
01635       party_ton = 0;/* unknown */
01636       break;
01637 
01638    case NUMTYPE_INTERNATIONAL:
01639       party_ton = 1;/* internationalNumber */
01640       break;
01641 
01642    case NUMTYPE_NATIONAL:
01643       party_ton = 2;/* nationalNumber */
01644       break;
01645 
01646    case NUMTYPE_NETWORK_SPECIFIC:
01647       party_ton = 3;/* networkSpecificNumber */
01648       break;
01649 
01650    case NUMTYPE_SUBSCRIBER:
01651       party_ton = 4;/* subscriberNumber */
01652       break;
01653 
01654    case NUMTYPE_ABBREVIATED:
01655       party_ton = 6;/* abbreviatedNumber */
01656       break;
01657    }
01658 
01659    return party_ton;
01660 }
01661 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01662 
01663 #if defined(AST_MISDN_ENHANCEMENTS)
01664 /*!
01665  * \internal
01666  * \brief Convert the PartyNumber public type-of-number to mISDN type-of-number
01667  *
01668  * \param party_ton PartyNumber public type-of-number
01669  *
01670  * \return mISDN type-of-number
01671  */
01672 static enum mISDN_NUMBER_TYPE PartyNumber_to_misdn_ton_public(unsigned party_ton)
01673 {
01674    enum mISDN_NUMBER_TYPE ton;
01675 
01676    switch (party_ton) {
01677    default:
01678    case 0:/* unknown */
01679       ton = NUMTYPE_UNKNOWN;
01680       break;
01681 
01682    case 1:/* internationalNumber */
01683       ton = NUMTYPE_INTERNATIONAL;
01684       break;
01685 
01686    case 2:/* nationalNumber */
01687       ton = NUMTYPE_NATIONAL;
01688       break;
01689 
01690    case 3:/* networkSpecificNumber */
01691       ton = NUMTYPE_NETWORK_SPECIFIC;
01692       break;
01693 
01694    case 4:/* subscriberNumber */
01695       ton = NUMTYPE_SUBSCRIBER;
01696       break;
01697 
01698    case 6:/* abbreviatedNumber */
01699       ton = NUMTYPE_ABBREVIATED;
01700       break;
01701    }
01702 
01703    return ton;
01704 }
01705 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01706 
01707 #if defined(AST_MISDN_ENHANCEMENTS)
01708 /*!
01709  * \internal
01710  * \brief Convert mISDN type-of-number to PartyNumber private type-of-number
01711  *
01712  * \param ton mISDN type-of-number
01713  *
01714  * \return PartyNumber private type-of-number
01715  */
01716 static unsigned misdn_to_PartyNumber_ton_private(enum mISDN_NUMBER_TYPE ton)
01717 {
01718    unsigned party_ton;
01719 
01720    switch (ton) {
01721    default:
01722    case NUMTYPE_UNKNOWN:
01723       party_ton = 0;/* unknown */
01724       break;
01725 
01726    case NUMTYPE_INTERNATIONAL:
01727       party_ton = 1;/* level2RegionalNumber */
01728       break;
01729 
01730    case NUMTYPE_NATIONAL:
01731       party_ton = 2;/* level1RegionalNumber */
01732       break;
01733 
01734    case NUMTYPE_NETWORK_SPECIFIC:
01735       party_ton = 3;/* pTNSpecificNumber */
01736       break;
01737 
01738    case NUMTYPE_SUBSCRIBER:
01739       party_ton = 4;/* localNumber */
01740       break;
01741 
01742    case NUMTYPE_ABBREVIATED:
01743       party_ton = 6;/* abbreviatedNumber */
01744       break;
01745    }
01746 
01747    return party_ton;
01748 }
01749 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01750 
01751 #if defined(AST_MISDN_ENHANCEMENTS)
01752 /*!
01753  * \internal
01754  * \brief Convert the PartyNumber private type-of-number to mISDN type-of-number
01755  *
01756  * \param party_ton PartyNumber private type-of-number
01757  *
01758  * \return mISDN type-of-number
01759  */
01760 static enum mISDN_NUMBER_TYPE PartyNumber_to_misdn_ton_private(unsigned party_ton)
01761 {
01762    enum mISDN_NUMBER_TYPE ton;
01763 
01764    switch (party_ton) {
01765    default:
01766    case 0:/* unknown */
01767       ton = NUMTYPE_UNKNOWN;
01768       break;
01769 
01770    case 1:/* level2RegionalNumber */
01771       ton = NUMTYPE_INTERNATIONAL;
01772       break;
01773 
01774    case 2:/* level1RegionalNumber */
01775       ton = NUMTYPE_NATIONAL;
01776       break;
01777 
01778    case 3:/* pTNSpecificNumber */
01779       ton = NUMTYPE_NETWORK_SPECIFIC;
01780       break;
01781 
01782    case 4:/* localNumber */
01783       ton = NUMTYPE_SUBSCRIBER;
01784       break;
01785 
01786    case 6:/* abbreviatedNumber */
01787       ton = NUMTYPE_ABBREVIATED;
01788       break;
01789    }
01790 
01791    return ton;
01792 }
01793 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01794 
01795 /*!
01796  * \internal
01797  * \brief Convert the mISDN type of number code to a string
01798  *
01799  * \param number_type mISDN type of number code.
01800  *
01801  * \return The mISDN type of number code as a string
01802  */
01803 static const char *misdn_to_str_ton(enum mISDN_NUMBER_TYPE number_type)
01804 {
01805    const char *str;
01806 
01807    switch (number_type) {
01808    default:
01809    case NUMTYPE_UNKNOWN:
01810       str = "Unknown";
01811       break;
01812 
01813    case NUMTYPE_INTERNATIONAL:
01814       str = "International";
01815       break;
01816 
01817    case NUMTYPE_NATIONAL:
01818       str = "National";
01819       break;
01820 
01821    case NUMTYPE_NETWORK_SPECIFIC:
01822       str = "Network Specific";
01823       break;
01824 
01825    case NUMTYPE_SUBSCRIBER:
01826       str = "Subscriber";
01827       break;
01828 
01829    case NUMTYPE_ABBREVIATED:
01830       str = "Abbreviated";
01831       break;
01832    }
01833 
01834    return str;
01835 }
01836 
01837 /*!
01838  * \internal
01839  * \brief Convert the mISDN type of number code to Asterisk type of number code
01840  *
01841  * \param number_type mISDN type of number code.
01842  *
01843  * \return Asterisk type of number code
01844  */
01845 static int misdn_to_ast_ton(enum mISDN_NUMBER_TYPE number_type)
01846 {
01847    int ast_number_type;
01848 
01849    switch (number_type) {
01850    default:
01851    case NUMTYPE_UNKNOWN:
01852       ast_number_type = NUMTYPE_UNKNOWN << 4;
01853       break;
01854 
01855    case NUMTYPE_INTERNATIONAL:
01856       ast_number_type = NUMTYPE_INTERNATIONAL << 4;
01857       break;
01858 
01859    case NUMTYPE_NATIONAL:
01860       ast_number_type = NUMTYPE_NATIONAL << 4;
01861       break;
01862 
01863    case NUMTYPE_NETWORK_SPECIFIC:
01864       ast_number_type = NUMTYPE_NETWORK_SPECIFIC << 4;
01865       break;
01866 
01867    case NUMTYPE_SUBSCRIBER:
01868       ast_number_type = NUMTYPE_SUBSCRIBER << 4;
01869       break;
01870 
01871    case NUMTYPE_ABBREVIATED:
01872       ast_number_type = NUMTYPE_ABBREVIATED << 4;
01873       break;
01874    }
01875 
01876    return ast_number_type;
01877 }
01878 
01879 /*!
01880  * \internal
01881  * \brief Convert the Asterisk type of number code to mISDN type of number code
01882  *
01883  * \param ast_number_type Asterisk type of number code.
01884  *
01885  * \return mISDN type of number code
01886  */
01887 static enum mISDN_NUMBER_TYPE ast_to_misdn_ton(unsigned ast_number_type)
01888 {
01889    enum mISDN_NUMBER_TYPE number_type;
01890 
01891    switch ((ast_number_type >> 4) & 0x07) {
01892    default:
01893    case NUMTYPE_UNKNOWN:
01894       number_type = NUMTYPE_UNKNOWN;
01895       break;
01896 
01897    case NUMTYPE_INTERNATIONAL:
01898       number_type = NUMTYPE_INTERNATIONAL;
01899       break;
01900 
01901    case NUMTYPE_NATIONAL:
01902       number_type = NUMTYPE_NATIONAL;
01903       break;
01904 
01905    case NUMTYPE_NETWORK_SPECIFIC:
01906       number_type = NUMTYPE_NETWORK_SPECIFIC;
01907       break;
01908 
01909    case NUMTYPE_SUBSCRIBER:
01910       number_type = NUMTYPE_SUBSCRIBER;
01911       break;
01912 
01913    case NUMTYPE_ABBREVIATED:
01914       number_type = NUMTYPE_ABBREVIATED;
01915       break;
01916    }
01917 
01918    return number_type;
01919 }
01920 
01921 /*!
01922  * \internal
01923  * \brief Convert the mISDN numbering plan code to a string
01924  *
01925  * \param number_plan mISDN numbering plan code.
01926  *
01927  * \return The mISDN numbering plan code as a string
01928  */
01929 static const char *misdn_to_str_plan(enum mISDN_NUMBER_PLAN number_plan)
01930 {
01931    const char *str;
01932 
01933    switch (number_plan) {
01934    default:
01935    case NUMPLAN_UNKNOWN:
01936       str = "Unknown";
01937       break;
01938 
01939    case NUMPLAN_ISDN:
01940       str = "ISDN";
01941       break;
01942 
01943    case NUMPLAN_DATA:
01944       str = "Data";
01945       break;
01946 
01947    case NUMPLAN_TELEX:
01948       str = "Telex";
01949       break;
01950 
01951    case NUMPLAN_NATIONAL:
01952       str = "National";
01953       break;
01954 
01955    case NUMPLAN_PRIVATE:
01956       str = "Private";
01957       break;
01958    }
01959 
01960    return str;
01961 }
01962 
01963 /*!
01964  * \internal
01965  * \brief Convert the mISDN numbering plan code to Asterisk numbering plan code
01966  *
01967  * \param number_plan mISDN numbering plan code.
01968  *
01969  * \return Asterisk numbering plan code
01970  */
01971 static int misdn_to_ast_plan(enum mISDN_NUMBER_PLAN number_plan)
01972 {
01973    int ast_number_plan;
01974 
01975    switch (number_plan) {
01976    default:
01977    case NUMPLAN_UNKNOWN:
01978       ast_number_plan = NUMPLAN_UNKNOWN;
01979       break;
01980 
01981    case NUMPLAN_ISDN:
01982       ast_number_plan = NUMPLAN_ISDN;
01983       break;
01984 
01985    case NUMPLAN_DATA:
01986       ast_number_plan = NUMPLAN_DATA;
01987       break;
01988 
01989    case NUMPLAN_TELEX:
01990       ast_number_plan = NUMPLAN_TELEX;
01991       break;
01992 
01993    case NUMPLAN_NATIONAL:
01994       ast_number_plan = NUMPLAN_NATIONAL;
01995       break;
01996 
01997    case NUMPLAN_PRIVATE:
01998       ast_number_plan = NUMPLAN_PRIVATE;
01999       break;
02000    }
02001 
02002    return ast_number_plan;
02003 }
02004 
02005 /*!
02006  * \internal
02007  * \brief Convert the Asterisk numbering plan code to mISDN numbering plan code
02008  *
02009  * \param ast_number_plan Asterisk numbering plan code.
02010  *
02011  * \return mISDN numbering plan code
02012  */
02013 static enum mISDN_NUMBER_PLAN ast_to_misdn_plan(unsigned ast_number_plan)
02014 {
02015    enum mISDN_NUMBER_PLAN number_plan;
02016 
02017    switch (ast_number_plan & 0x0F) {
02018    default:
02019    case NUMPLAN_UNKNOWN:
02020       number_plan = NUMPLAN_UNKNOWN;
02021       break;
02022 
02023    case NUMPLAN_ISDN:
02024       number_plan = NUMPLAN_ISDN;
02025       break;
02026 
02027    case NUMPLAN_DATA:
02028       number_plan = NUMPLAN_DATA;
02029       break;
02030 
02031    case NUMPLAN_TELEX:
02032       number_plan = NUMPLAN_TELEX;
02033       break;
02034 
02035    case NUMPLAN_NATIONAL:
02036       number_plan = NUMPLAN_NATIONAL;
02037       break;
02038 
02039    case NUMPLAN_PRIVATE:
02040       number_plan = NUMPLAN_PRIVATE;
02041       break;
02042    }
02043 
02044    return number_plan;
02045 }
02046 
02047 /*!
02048  * \internal
02049  * \brief Convert the mISDN presentation code to a string
02050  *
02051  * \param presentation mISDN number presentation restriction code.
02052  *
02053  * \return The mISDN presentation code as a string
02054  */
02055 static const char *misdn_to_str_pres(int presentation)
02056 {
02057    const char *str;
02058 
02059    switch (presentation) {
02060    case 0:
02061       str = "Allowed";
02062       break;
02063 
02064    case 1:
02065       str = "Restricted";
02066       break;
02067 
02068    case 2:
02069       str = "Unavailable";
02070       break;
02071 
02072    default:
02073       str = "Unknown";
02074       break;
02075    }
02076 
02077    return str;
02078 }
02079 
02080 /*!
02081  * \internal
02082  * \brief Convert the mISDN presentation code to Asterisk presentation code
02083  *
02084  * \param presentation mISDN number presentation restriction code.
02085  *
02086  * \return Asterisk presentation code
02087  */
02088 static int misdn_to_ast_pres(int presentation)
02089 {
02090    switch (presentation) {
02091    default:
02092    case 0:
02093       presentation = AST_PRES_ALLOWED;
02094       break;
02095 
02096    case 1:
02097       presentation = AST_PRES_RESTRICTED;
02098       break;
02099 
02100    case 2:
02101       presentation = AST_PRES_UNAVAILABLE;
02102       break;
02103    }
02104 
02105    return presentation;
02106 }
02107 
02108 /*!
02109  * \internal
02110  * \brief Convert the Asterisk presentation code to mISDN presentation code
02111  *
02112  * \param presentation Asterisk number presentation restriction code.
02113  *
02114  * \return mISDN presentation code
02115  */
02116 static int ast_to_misdn_pres(int presentation)
02117 {
02118    switch (presentation & AST_PRES_RESTRICTION) {
02119    default:
02120    case AST_PRES_ALLOWED:
02121       presentation = 0;
02122       break;
02123 
02124    case AST_PRES_RESTRICTED:
02125       presentation = 1;
02126       break;
02127 
02128    case AST_PRES_UNAVAILABLE:
02129       presentation = 2;
02130       break;
02131    }
02132 
02133    return presentation;
02134 }
02135 
02136 /*!
02137  * \internal
02138  * \brief Convert the mISDN screening code to a string
02139  *
02140  * \param screening mISDN number screening code.
02141  *
02142  * \return The mISDN screening code as a string
02143  */
02144 static const char *misdn_to_str_screen(int screening)
02145 {
02146    const char *str;
02147 
02148    switch (screening) {
02149    case 0:
02150       str = "Unscreened";
02151       break;
02152 
02153    case 1:
02154       str = "Passed Screen";
02155       break;
02156 
02157    case 2:
02158       str = "Failed Screen";
02159       break;
02160 
02161    case 3:
02162       str = "Network Number";
02163       break;
02164 
02165    default:
02166       str = "Unknown";
02167       break;
02168    }
02169 
02170    return str;
02171 }
02172 
02173 /*!
02174  * \internal
02175  * \brief Convert the mISDN screening code to Asterisk screening code
02176  *
02177  * \param screening mISDN number screening code.
02178  *
02179  * \return Asterisk screening code
02180  */
02181 static int misdn_to_ast_screen(int screening)
02182 {
02183    switch (screening) {
02184    default:
02185    case 0:
02186       screening = AST_PRES_USER_NUMBER_UNSCREENED;
02187       break;
02188 
02189    case 1:
02190       screening = AST_PRES_USER_NUMBER_PASSED_SCREEN;
02191       break;
02192 
02193    case 2:
02194       screening = AST_PRES_USER_NUMBER_FAILED_SCREEN;
02195       break;
02196 
02197    case 3:
02198       screening = AST_PRES_NETWORK_NUMBER;
02199       break;
02200    }
02201 
02202    return screening;
02203 }
02204 
02205 /*!
02206  * \internal
02207  * \brief Convert the Asterisk screening code to mISDN screening code
02208  *
02209  * \param screening Asterisk number screening code.
02210  *
02211  * \return mISDN screening code
02212  */
02213 static int ast_to_misdn_screen(int screening)
02214 {
02215    switch (screening & AST_PRES_NUMBER_TYPE) {
02216    default:
02217    case AST_PRES_USER_NUMBER_UNSCREENED:
02218       screening = 0;
02219       break;
02220 
02221    case AST_PRES_USER_NUMBER_PASSED_SCREEN:
02222       screening = 1;
02223       break;
02224 
02225    case AST_PRES_USER_NUMBER_FAILED_SCREEN:
02226       screening = 2;
02227       break;
02228 
02229    case AST_PRES_NETWORK_NUMBER:
02230       screening = 3;
02231       break;
02232    }
02233 
02234    return screening;
02235 }
02236 
02237 /*!
02238  * \internal
02239  * \brief Convert Asterisk redirecting reason to mISDN redirecting reason code.
02240  *
02241  * \param ast Asterisk redirecting reason code.
02242  *
02243  * \return mISDN reason code
02244  */
02245 static enum mISDN_REDIRECTING_REASON ast_to_misdn_reason(const enum AST_REDIRECTING_REASON ast)
02246 {
02247    unsigned index;
02248 
02249    static const struct misdn_reasons {
02250       enum AST_REDIRECTING_REASON ast;
02251       enum mISDN_REDIRECTING_REASON q931;
02252    } misdn_reason_table[] = {
02253    /* *INDENT-OFF* */
02254       { AST_REDIRECTING_REASON_UNKNOWN,        mISDN_REDIRECTING_REASON_UNKNOWN },
02255       { AST_REDIRECTING_REASON_USER_BUSY,      mISDN_REDIRECTING_REASON_CALL_FWD_BUSY },
02256       { AST_REDIRECTING_REASON_NO_ANSWER,      mISDN_REDIRECTING_REASON_NO_REPLY },
02257       { AST_REDIRECTING_REASON_UNAVAILABLE,    mISDN_REDIRECTING_REASON_NO_REPLY },
02258       { AST_REDIRECTING_REASON_UNCONDITIONAL,  mISDN_REDIRECTING_REASON_CALL_FWD },
02259       { AST_REDIRECTING_REASON_TIME_OF_DAY,    mISDN_REDIRECTING_REASON_UNKNOWN },
02260       { AST_REDIRECTING_REASON_DO_NOT_DISTURB, mISDN_REDIRECTING_REASON_UNKNOWN },
02261       { AST_REDIRECTING_REASON_DEFLECTION,     mISDN_REDIRECTING_REASON_DEFLECTION },
02262       { AST_REDIRECTING_REASON_FOLLOW_ME,      mISDN_REDIRECTING_REASON_UNKNOWN },
02263       { AST_REDIRECTING_REASON_OUT_OF_ORDER,   mISDN_REDIRECTING_REASON_OUT_OF_ORDER },
02264       { AST_REDIRECTING_REASON_AWAY,           mISDN_REDIRECTING_REASON_UNKNOWN },
02265       { AST_REDIRECTING_REASON_CALL_FWD_DTE,   mISDN_REDIRECTING_REASON_CALL_FWD_DTE }
02266    /* *INDENT-ON* */
02267    };
02268 
02269    for (index = 0; index < ARRAY_LEN(misdn_reason_table); ++index) {
02270       if (misdn_reason_table[index].ast == ast) {
02271          return misdn_reason_table[index].q931;
02272       }
02273    }
02274    return mISDN_REDIRECTING_REASON_UNKNOWN;
02275 }
02276 
02277 /*!
02278  * \internal
02279  * \brief Convert the mISDN redirecting reason to Asterisk redirecting reason code
02280  *
02281  * \param q931 mISDN redirecting reason code.
02282  *
02283  * \return Asterisk redirecting reason code
02284  */
02285 static enum AST_REDIRECTING_REASON misdn_to_ast_reason(const enum mISDN_REDIRECTING_REASON q931)
02286 {
02287    enum AST_REDIRECTING_REASON ast;
02288 
02289    switch (q931) {
02290    default:
02291    case mISDN_REDIRECTING_REASON_UNKNOWN:
02292       ast = AST_REDIRECTING_REASON_UNKNOWN;
02293       break;
02294 
02295    case mISDN_REDIRECTING_REASON_CALL_FWD_BUSY:
02296       ast = AST_REDIRECTING_REASON_USER_BUSY;
02297       break;
02298 
02299    case mISDN_REDIRECTING_REASON_NO_REPLY:
02300       ast = AST_REDIRECTING_REASON_NO_ANSWER;
02301       break;
02302 
02303    case mISDN_REDIRECTING_REASON_DEFLECTION:
02304       ast = AST_REDIRECTING_REASON_DEFLECTION;
02305       break;
02306 
02307    case mISDN_REDIRECTING_REASON_OUT_OF_ORDER:
02308       ast = AST_REDIRECTING_REASON_OUT_OF_ORDER;
02309       break;
02310 
02311    case mISDN_REDIRECTING_REASON_CALL_FWD_DTE:
02312       ast = AST_REDIRECTING_REASON_CALL_FWD_DTE;
02313       break;
02314 
02315    case mISDN_REDIRECTING_REASON_CALL_FWD:
02316       ast = AST_REDIRECTING_REASON_UNCONDITIONAL;
02317       break;
02318    }
02319 
02320    return ast;
02321 }
02322 
02323 
02324 
02325 struct allowed_bearers {
02326    char *name;         /*!< Bearer capability name string used in /etc/misdn.conf allowed_bearers */
02327    char *display;      /*!< Bearer capability displayable name */
02328    int cap;            /*!< SETUP message bearer capability field code value */
02329    int deprecated;     /*!< TRUE if this entry is deprecated. (Misspelled or bad name to use) */
02330 };
02331 
02332 /* *INDENT-OFF* */
02333 static const struct allowed_bearers allowed_bearers_array[] = {
02334    /* Name,                      Displayable Name       Bearer Capability,                    Deprecated */
02335    { "speech",                  "Speech",               INFO_CAPABILITY_SPEECH,               0 },
02336    { "3_1khz",                  "3.1KHz Audio",         INFO_CAPABILITY_AUDIO_3_1K,           0 },
02337    { "digital_unrestricted",    "Unrestricted Digital", INFO_CAPABILITY_DIGITAL_UNRESTRICTED, 0 },
02338    { "digital_restricted",      "Restricted Digital",   INFO_CAPABILITY_DIGITAL_RESTRICTED,   0 },
02339    { "digital_restriced",       "Restricted Digital",   INFO_CAPABILITY_DIGITAL_RESTRICTED,   1 }, /* Allow misspelling for backwards compatibility */
02340    { "video",                   "Video",                INFO_CAPABILITY_VIDEO,                0 }
02341 };
02342 /* *INDENT-ON* */
02343 
02344 static const char *bearer2str(int cap)
02345 {
02346    unsigned index;
02347 
02348    for (index = 0; index < ARRAY_LEN(allowed_bearers_array); ++index) {
02349       if (allowed_bearers_array[index].cap == cap) {
02350          return allowed_bearers_array[index].display;
02351       }
02352    }
02353 
02354    return "Unknown Bearer";
02355 }
02356 
02357 #if defined(AST_MISDN_ENHANCEMENTS)
02358 /*!
02359  * \internal
02360  * \brief Fill in facility PartyNumber information
02361  *
02362  * \param party PartyNumber structure to fill in.
02363  * \param id Information to put in PartyNumber structure.
02364  *
02365  * \return Nothing
02366  */
02367 static void misdn_PartyNumber_fill(struct FacPartyNumber *party, const struct misdn_party_id *id)
02368 {
02369    ast_copy_string((char *) party->Number, id->number, sizeof(party->Number));
02370    party->LengthOfNumber = strlen((char *) party->Number);
02371    party->Type = misdn_to_PartyNumber_plan(id->number_plan);
02372    switch (party->Type) {
02373    case 1:/* public */
02374       party->TypeOfNumber = misdn_to_PartyNumber_ton_public(id->number_type);
02375       break;
02376    case 5:/* private */
02377       party->TypeOfNumber = misdn_to_PartyNumber_ton_private(id->number_type);
02378       break;
02379    default:
02380       party->TypeOfNumber = 0;/* Don't care */
02381       break;
02382    }
02383 }
02384 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02385 
02386 #if defined(AST_MISDN_ENHANCEMENTS)
02387 /*!
02388  * \internal
02389  * \brief Extract the information from PartyNumber
02390  *
02391  * \param id Where to put extracted PartyNumber information
02392  * \param party PartyNumber information to extract
02393  *
02394  * \return Nothing
02395  */
02396 static void misdn_PartyNumber_extract(struct misdn_party_id *id, const struct FacPartyNumber *party)
02397 {
02398    if (party->LengthOfNumber) {
02399       ast_copy_string(id->number, (char *) party->Number, sizeof(id->number));
02400       id->number_plan = PartyNumber_to_misdn_plan(party->Type);
02401       switch (party->Type) {
02402       case 1:/* public */
02403          id->number_type = PartyNumber_to_misdn_ton_public(party->TypeOfNumber);
02404          break;
02405       case 5:/* private */
02406          id->number_type = PartyNumber_to_misdn_ton_private(party->TypeOfNumber);
02407          break;
02408       default:
02409          id->number_type = NUMTYPE_UNKNOWN;
02410          break;
02411       }
02412    } else {
02413       /* Number not present */
02414       id->number_type = NUMTYPE_UNKNOWN;
02415       id->number_plan = NUMPLAN_ISDN;
02416       id->number[0] = 0;
02417    }
02418 }
02419 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02420 
02421 #if defined(AST_MISDN_ENHANCEMENTS)
02422 /*!
02423  * \internal
02424  * \brief Fill in facility Address information
02425  *
02426  * \param Address Address structure to fill in.
02427  * \param id Information to put in Address structure.
02428  *
02429  * \return Nothing
02430  */
02431 static void misdn_Address_fill(struct FacAddress *Address, const struct misdn_party_id *id)
02432 {
02433    misdn_PartyNumber_fill(&Address->Party, id);
02434 
02435    /* Subaddresses are not supported yet */
02436    Address->Subaddress.Length = 0;
02437 }
02438 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02439 
02440 #if defined(AST_MISDN_ENHANCEMENTS)
02441 /*!
02442  * \internal
02443  * \brief Fill in facility PresentedNumberUnscreened information
02444  *
02445  * \param presented PresentedNumberUnscreened structure to fill in.
02446  * \param id Information to put in PresentedNumberUnscreened structure.
02447  *
02448  * \return Nothing
02449  */
02450 static void misdn_PresentedNumberUnscreened_fill(struct FacPresentedNumberUnscreened *presented, const struct misdn_party_id *id)
02451 {
02452    presented->Type = misdn_to_PresentedNumberUnscreened_type(id->presentation, id->number[0] ? 1 : 0);
02453    misdn_PartyNumber_fill(&presented->Unscreened, id);
02454 }
02455 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02456 
02457 #if defined(AST_MISDN_ENHANCEMENTS)
02458 /*!
02459  * \internal
02460  * \brief Extract the information from PartyNumber
02461  *
02462  * \param id Where to put extracted PresentedNumberUnscreened information
02463  * \param presented PresentedNumberUnscreened information to extract
02464  *
02465  * \return Nothing
02466  */
02467 static void misdn_PresentedNumberUnscreened_extract(struct misdn_party_id *id, const struct FacPresentedNumberUnscreened *presented)
02468 {
02469    id->presentation = PresentedNumberUnscreened_to_misdn_pres(presented->Type);
02470    id->screening = 0;/* unscreened */
02471    switch (presented->Type) {
02472    case 0:/* presentationAllowedNumber */
02473    case 3:/* presentationRestrictedNumber */
02474       misdn_PartyNumber_extract(id, &presented->Unscreened);
02475       break;
02476    case 1:/* presentationRestricted */
02477    case 2:/* numberNotAvailableDueToInterworking */
02478    default:
02479       /* Number not present (And uninitialized so do not even look at it!) */
02480       id->number_type = NUMTYPE_UNKNOWN;
02481       id->number_plan = NUMPLAN_ISDN;
02482       id->number[0] = 0;
02483       break;
02484    }
02485 }
02486 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02487 
02488 #if defined(AST_MISDN_ENHANCEMENTS)
02489 static const char Level_Spacing[] = "          ";/* Work for up to 10 levels */
02490 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02491 
02492 #if defined(AST_MISDN_ENHANCEMENTS)
02493 static void print_facility_PartyNumber(unsigned Level, const struct FacPartyNumber *Party, const struct misdn_bchannel *bc)
02494 {
02495    if (Party->LengthOfNumber) {
02496       const char *Spacing;
02497 
02498       Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02499       chan_misdn_log(1, bc->port, " -->%s PartyNumber: Type:%d\n",
02500          Spacing, Party->Type);
02501       switch (Party->Type) {
02502       case 0: /* Unknown PartyNumber */
02503          chan_misdn_log(1, bc->port, " -->%s  Unknown: %s\n",
02504             Spacing, Party->Number);
02505          break;
02506       case 1: /* Public PartyNumber */
02507          chan_misdn_log(1, bc->port, " -->%s  Public TON:%d %s\n",
02508             Spacing, Party->TypeOfNumber, Party->Number);
02509          break;
02510       case 2: /* NSAP encoded PartyNumber */
02511          chan_misdn_log(1, bc->port, " -->%s  NSAP: %s\n",
02512             Spacing, Party->Number);
02513          break;
02514       case 3: /* Data PartyNumber (Not used) */
02515          chan_misdn_log(1, bc->port, " -->%s  Data: %s\n",
02516             Spacing, Party->Number);
02517          break;
02518       case 4: /* Telex PartyNumber (Not used) */
02519          chan_misdn_log(1, bc->port, " -->%s  Telex: %s\n",
02520             Spacing, Party->Number);
02521          break;
02522       case 5: /* Private PartyNumber */
02523          chan_misdn_log(1, bc->port, " -->%s  Private TON:%d %s\n",
02524             Spacing, Party->TypeOfNumber, Party->Number);
02525          break;
02526       case 8: /* National Standard PartyNumber (Not used) */
02527          chan_misdn_log(1, bc->port, " -->%s  National: %s\n",
02528             Spacing, Party->Number);
02529          break;
02530       default:
02531          break;
02532       }
02533    }
02534 }
02535 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02536 
02537 #if defined(AST_MISDN_ENHANCEMENTS)
02538 static void print_facility_Subaddress(unsigned Level, const struct FacPartySubaddress *Subaddress, const struct misdn_bchannel *bc)
02539 {
02540    if (Subaddress->Length) {
02541       const char *Spacing;
02542 
02543       Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02544       chan_misdn_log(1, bc->port, " -->%s Subaddress: Type:%d\n",
02545          Spacing, Subaddress->Type);
02546       switch (Subaddress->Type) {
02547       case 0: /* UserSpecified */
02548          if (Subaddress->u.UserSpecified.OddCountPresent) {
02549             chan_misdn_log(1, bc->port, " -->%s  User BCD OddCount:%d NumOctets:%d\n",
02550                Spacing, Subaddress->u.UserSpecified.OddCount, Subaddress->Length);
02551          } else {
02552             chan_misdn_log(1, bc->port, " -->%s  User: %s\n",
02553                Spacing, Subaddress->u.UserSpecified.Information);
02554          }
02555          break;
02556       case 1: /* NSAP */
02557          chan_misdn_log(1, bc->port, " -->%s  NSAP: %s\n",
02558             Spacing, Subaddress->u.Nsap);
02559          break;
02560       default:
02561          break;
02562       }
02563    }
02564 }
02565 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02566 
02567 #if defined(AST_MISDN_ENHANCEMENTS)
02568 static void print_facility_Address(unsigned Level, const struct FacAddress *Address, const struct misdn_bchannel *bc)
02569 {
02570    print_facility_PartyNumber(Level, &Address->Party, bc);
02571    print_facility_Subaddress(Level, &Address->Subaddress, bc);
02572 }
02573 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02574 
02575 #if defined(AST_MISDN_ENHANCEMENTS)
02576 static void print_facility_PresentedNumberUnscreened(unsigned Level, const struct FacPresentedNumberUnscreened *Presented, const struct misdn_bchannel *bc)
02577 {
02578    const char *Spacing;
02579 
02580    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02581    chan_misdn_log(1, bc->port, " -->%s Unscreened Type:%d\n", Spacing, Presented->Type);
02582    switch (Presented->Type) {
02583    case 0: /* presentationAllowedNumber */
02584       chan_misdn_log(1, bc->port, " -->%s  Allowed:\n", Spacing);
02585       print_facility_PartyNumber(Level + 2, &Presented->Unscreened, bc);
02586       break;
02587    case 1: /* presentationRestricted */
02588       chan_misdn_log(1, bc->port, " -->%s  Restricted\n", Spacing);
02589       break;
02590    case 2: /* numberNotAvailableDueToInterworking */
02591       chan_misdn_log(1, bc->port, " -->%s  Not Available\n", Spacing);
02592       break;
02593    case 3: /* presentationRestrictedNumber */
02594       chan_misdn_log(1, bc->port, " -->%s  Restricted:\n", Spacing);
02595       print_facility_PartyNumber(Level + 2, &Presented->Unscreened, bc);
02596       break;
02597    default:
02598       break;
02599    }
02600 }
02601 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02602 
02603 #if defined(AST_MISDN_ENHANCEMENTS)
02604 static void print_facility_AddressScreened(unsigned Level, const struct FacAddressScreened *Address, const struct misdn_bchannel *bc)
02605 {
02606    const char *Spacing;
02607 
02608    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02609    chan_misdn_log(1, bc->port, " -->%s ScreeningIndicator:%d\n", Spacing, Address->ScreeningIndicator);
02610    print_facility_PartyNumber(Level, &Address->Party, bc);
02611    print_facility_Subaddress(Level, &Address->Subaddress, bc);
02612 }
02613 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02614 
02615 #if defined(AST_MISDN_ENHANCEMENTS)
02616 static void print_facility_PresentedAddressScreened(unsigned Level, const struct FacPresentedAddressScreened *Presented, const struct misdn_bchannel *bc)
02617 {
02618    const char *Spacing;
02619 
02620    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02621    chan_misdn_log(1, bc->port, " -->%s Screened Type:%d\n", Spacing, Presented->Type);
02622    switch (Presented->Type) {
02623    case 0: /* presentationAllowedAddress */
02624       chan_misdn_log(1, bc->port, " -->%s  Allowed:\n", Spacing);
02625       print_facility_AddressScreened(Level + 2, &Presented->Address, bc);
02626       break;
02627    case 1: /* presentationRestricted */
02628       chan_misdn_log(1, bc->port, " -->%s  Restricted\n", Spacing);
02629       break;
02630    case 2: /* numberNotAvailableDueToInterworking */
02631       chan_misdn_log(1, bc->port, " -->%s  Not Available\n", Spacing);
02632       break;
02633    case 3: /* presentationRestrictedAddress */
02634       chan_misdn_log(1, bc->port, " -->%s  Restricted:\n", Spacing);
02635       print_facility_AddressScreened(Level + 2, &Presented->Address, bc);
02636       break;
02637    default:
02638       break;
02639    }
02640 }
02641 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02642 
02643 #if defined(AST_MISDN_ENHANCEMENTS)
02644 static void print_facility_Q931_Bc_Hlc_Llc(unsigned Level, const struct Q931_Bc_Hlc_Llc *Q931ie, const struct misdn_bchannel *bc)
02645 {
02646    const char *Spacing;
02647 
02648    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02649    chan_misdn_log(1, bc->port, " -->%s Q931ie:\n", Spacing);
02650    if (Q931ie->Bc.Length) {
02651       chan_misdn_log(1, bc->port, " -->%s  Bc Len:%d\n", Spacing, Q931ie->Bc.Length);
02652    }
02653    if (Q931ie->Hlc.Length) {
02654       chan_misdn_log(1, bc->port, " -->%s  Hlc Len:%d\n", Spacing, Q931ie->Hlc.Length);
02655    }
02656    if (Q931ie->Llc.Length) {
02657       chan_misdn_log(1, bc->port, " -->%s  Llc Len:%d\n", Spacing, Q931ie->Llc.Length);
02658    }
02659 }
02660 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02661 
02662 #if defined(AST_MISDN_ENHANCEMENTS)
02663 static void print_facility_Q931_Bc_Hlc_Llc_Uu(unsigned Level, const struct Q931_Bc_Hlc_Llc_Uu *Q931ie, const struct misdn_bchannel *bc)
02664 {
02665    const char *Spacing;
02666 
02667    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02668    chan_misdn_log(1, bc->port, " -->%s Q931ie:\n", Spacing);
02669    if (Q931ie->Bc.Length) {
02670       chan_misdn_log(1, bc->port, " -->%s  Bc Len:%d\n", Spacing, Q931ie->Bc.Length);
02671    }
02672    if (Q931ie->Hlc.Length) {
02673       chan_misdn_log(1, bc->port, " -->%s  Hlc Len:%d\n", Spacing, Q931ie->Hlc.Length);
02674    }
02675    if (Q931ie->Llc.Length) {
02676       chan_misdn_log(1, bc->port, " -->%s  Llc Len:%d\n", Spacing, Q931ie->Llc.Length);
02677    }
02678    if (Q931ie->UserInfo.Length) {
02679       chan_misdn_log(1, bc->port, " -->%s  UserInfo Len:%d\n", Spacing, Q931ie->UserInfo.Length);
02680    }
02681 }
02682 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02683 
02684 #if defined(AST_MISDN_ENHANCEMENTS)
02685 static void print_facility_CallInformation(unsigned Level, const struct FacCallInformation *CallInfo, const struct misdn_bchannel *bc)
02686 {
02687    const char *Spacing;
02688 
02689    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02690    chan_misdn_log(1, bc->port, " -->%s CCBSReference:%d\n",
02691       Spacing, CallInfo->CCBSReference);
02692    chan_misdn_log(1, bc->port, " -->%s AddressOfB:\n", Spacing);
02693    print_facility_Address(Level + 1, &CallInfo->AddressOfB, bc);
02694    print_facility_Q931_Bc_Hlc_Llc(Level, &CallInfo->Q931ie, bc);
02695    if (CallInfo->SubaddressOfA.Length) {
02696       chan_misdn_log(1, bc->port, " -->%s SubaddressOfA:\n", Spacing);
02697       print_facility_Subaddress(Level + 1, &CallInfo->SubaddressOfA, bc);
02698    }
02699 }
02700 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02701 
02702 #if defined(AST_MISDN_ENHANCEMENTS)
02703 static void print_facility_ServedUserNr(unsigned Level, const struct FacPartyNumber *Party, const struct misdn_bchannel *bc)
02704 {
02705    const char *Spacing;
02706 
02707    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02708    if (Party->LengthOfNumber) {
02709       print_facility_PartyNumber(Level, Party, bc);
02710    } else {
02711       chan_misdn_log(1, bc->port, " -->%s All Numbers\n", Spacing);
02712    }
02713 }
02714 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02715 
02716 #if defined(AST_MISDN_ENHANCEMENTS)
02717 static void print_facility_IntResult(unsigned Level, const struct FacForwardingRecord *ForwardingRecord, const struct misdn_bchannel *bc)
02718 {
02719    const char *Spacing;
02720 
02721    Spacing = &Level_Spacing[sizeof(Level_Spacing) - 1 - Level];
02722    chan_misdn_log(1, bc->port, " -->%s Procedure:%d BasicService:%d\n",
02723       Spacing,
02724       ForwardingRecord->Procedure,
02725       ForwardingRecord->BasicService);
02726    chan_misdn_log(1, bc->port, " -->%s ForwardedTo:\n", Spacing);
02727    print_facility_Address(Level + 1, &ForwardingRecord->ForwardedTo, bc);
02728    chan_misdn_log(1, bc->port, " -->%s ServedUserNr:\n", Spacing);
02729    print_facility_ServedUserNr(Level + 1, &ForwardingRecord->ServedUser, bc);
02730 }
02731 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02732 
02733 static void print_facility(const struct FacParm *fac, const const struct misdn_bchannel *bc)
02734 {
02735 #if defined(AST_MISDN_ENHANCEMENTS)
02736    unsigned Index;
02737 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02738 
02739    switch (fac->Function) {
02740 #if defined(AST_MISDN_ENHANCEMENTS)
02741    case Fac_ActivationDiversion:
02742       chan_misdn_log(1, bc->port, " --> ActivationDiversion: InvokeID:%d\n",
02743          fac->u.ActivationDiversion.InvokeID);
02744       switch (fac->u.ActivationDiversion.ComponentType) {
02745       case FacComponent_Invoke:
02746          chan_misdn_log(1, bc->port, " -->  Invoke: Procedure:%d BasicService:%d\n",
02747             fac->u.ActivationDiversion.Component.Invoke.Procedure,
02748             fac->u.ActivationDiversion.Component.Invoke.BasicService);
02749          chan_misdn_log(1, bc->port, " -->   ForwardedTo:\n");
02750          print_facility_Address(3, &fac->u.ActivationDiversion.Component.Invoke.ForwardedTo, bc);
02751          chan_misdn_log(1, bc->port, " -->   ServedUserNr:\n");
02752          print_facility_ServedUserNr(3, &fac->u.ActivationDiversion.Component.Invoke.ServedUser, bc);
02753          break;
02754       case FacComponent_Result:
02755          chan_misdn_log(1, bc->port, " -->  Result\n");
02756          break;
02757       default:
02758          break;
02759       }
02760       break;
02761    case Fac_DeactivationDiversion:
02762       chan_misdn_log(1, bc->port, " --> DeactivationDiversion: InvokeID:%d\n",
02763          fac->u.DeactivationDiversion.InvokeID);
02764       switch (fac->u.DeactivationDiversion.ComponentType) {
02765       case FacComponent_Invoke:
02766          chan_misdn_log(1, bc->port, " -->  Invoke: Procedure:%d BasicService:%d\n",
02767             fac->u.DeactivationDiversion.Component.Invoke.Procedure,
02768             fac->u.DeactivationDiversion.Component.Invoke.BasicService);
02769          chan_misdn_log(1, bc->port, " -->   ServedUserNr:\n");
02770          print_facility_ServedUserNr(3, &fac->u.DeactivationDiversion.Component.Invoke.ServedUser, bc);
02771          break;
02772       case FacComponent_Result:
02773          chan_misdn_log(1, bc->port, " -->  Result\n");
02774          break;
02775       default:
02776          break;
02777       }
02778       break;
02779    case Fac_ActivationStatusNotificationDiv:
02780       chan_misdn_log(1, bc->port, " --> ActivationStatusNotificationDiv: InvokeID:%d Procedure:%d BasicService:%d\n",
02781          fac->u.ActivationStatusNotificationDiv.InvokeID,
02782          fac->u.ActivationStatusNotificationDiv.Procedure,
02783          fac->u.ActivationStatusNotificationDiv.BasicService);
02784       chan_misdn_log(1, bc->port, " -->  ForwardedTo:\n");
02785       print_facility_Address(2, &fac->u.ActivationStatusNotificationDiv.ForwardedTo, bc);
02786       chan_misdn_log(1, bc->port, " -->  ServedUserNr:\n");
02787       print_facility_ServedUserNr(2, &fac->u.ActivationStatusNotificationDiv.ServedUser, bc);
02788       break;
02789    case Fac_DeactivationStatusNotificationDiv:
02790       chan_misdn_log(1, bc->port, " --> DeactivationStatusNotificationDiv: InvokeID:%d Procedure:%d BasicService:%d\n",
02791          fac->u.DeactivationStatusNotificationDiv.InvokeID,
02792          fac->u.DeactivationStatusNotificationDiv.Procedure,
02793          fac->u.DeactivationStatusNotificationDiv.BasicService);
02794       chan_misdn_log(1, bc->port, " -->  ServedUserNr:\n");
02795       print_facility_ServedUserNr(2, &fac->u.DeactivationStatusNotificationDiv.ServedUser, bc);
02796       break;
02797    case Fac_InterrogationDiversion:
02798       chan_misdn_log(1, bc->port, " --> InterrogationDiversion: InvokeID:%d\n",
02799          fac->u.InterrogationDiversion.InvokeID);
02800       switch (fac->u.InterrogationDiversion.ComponentType) {
02801       case FacComponent_Invoke:
02802          chan_misdn_log(1, bc->port, " -->  Invoke: Procedure:%d BasicService:%d\n",
02803             fac->u.InterrogationDiversion.Component.Invoke.Procedure,
02804             fac->u.InterrogationDiversion.Component.Invoke.BasicService);
02805          chan_misdn_log(1, bc->port, " -->   ServedUserNr:\n");
02806          print_facility_ServedUserNr(3, &fac->u.InterrogationDiversion.Component.Invoke.ServedUser, bc);
02807          break;
02808       case FacComponent_Result:
02809          chan_misdn_log(1, bc->port, " -->  Result:\n");
02810          if (fac->u.InterrogationDiversion.Component.Result.NumRecords) {
02811             for (Index = 0; Index < fac->u.InterrogationDiversion.Component.Result.NumRecords; ++Index) {
02812                chan_misdn_log(1, bc->port, " -->   IntResult[%d]:\n", Index);
02813                print_facility_IntResult(3, &fac->u.InterrogationDiversion.Component.Result.List[Index], bc);
02814             }
02815          }
02816          break;
02817       default:
02818          break;
02819       }
02820       break;
02821    case Fac_DiversionInformation:
02822       chan_misdn_log(1, bc->port, " --> DiversionInformation: InvokeID:%d Reason:%d BasicService:%d\n",
02823          fac->u.DiversionInformation.InvokeID,
02824          fac->u.DiversionInformation.DiversionReason,
02825          fac->u.DiversionInformation.BasicService);
02826       if (fac->u.DiversionInformation.ServedUserSubaddress.Length) {
02827          chan_misdn_log(1, bc->port, " -->  ServedUserSubaddress:\n");
02828          print_facility_Subaddress(2, &fac->u.DiversionInformation.ServedUserSubaddress, bc);
02829       }
02830       if (fac->u.DiversionInformation.CallingAddressPresent) {
02831          chan_misdn_log(1, bc->port, " -->  CallingAddress:\n");
02832          print_facility_PresentedAddressScreened(2, &fac->u.DiversionInformation.CallingAddress, bc);
02833       }
02834       if (fac->u.DiversionInformation.OriginalCalledPresent) {
02835          chan_misdn_log(1, bc->port, " -->  OriginalCalledNr:\n");
02836          print_facility_PresentedNumberUnscreened(2, &fac->u.DiversionInformation.OriginalCalled, bc);
02837       }
02838       if (fac->u.DiversionInformation.LastDivertingPresent) {
02839          chan_misdn_log(1, bc->port, " -->  LastDivertingNr:\n");
02840          print_facility_PresentedNumberUnscreened(2, &fac->u.DiversionInformation.LastDiverting, bc);
02841       }
02842       if (fac->u.DiversionInformation.LastDivertingReasonPresent) {
02843          chan_misdn_log(1, bc->port, " -->  LastDivertingReason:%d\n", fac->u.DiversionInformation.LastDivertingReason);
02844       }
02845       if (fac->u.DiversionInformation.UserInfo.Length) {
02846          chan_misdn_log(1, bc->port, " -->  UserInfo Length:%d\n", fac->u.DiversionInformation.UserInfo.Length);
02847       }
02848       break;
02849    case Fac_CallDeflection:
02850       chan_misdn_log(1, bc->port, " --> CallDeflection: InvokeID:%d\n",
02851          fac->u.CallDeflection.InvokeID);
02852       switch (fac->u.CallDeflection.ComponentType) {
02853       case FacComponent_Invoke:
02854          chan_misdn_log(1, bc->port, " -->  Invoke:\n");
02855          if (fac->u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent) {
02856             chan_misdn_log(1, bc->port, " -->   PresentationAllowed:%d\n",
02857                fac->u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser);
02858          }
02859          chan_misdn_log(1, bc->port, " -->   DeflectionAddress:\n");
02860          print_facility_Address(3, &fac->u.CallDeflection.Component.Invoke.Deflection, bc);
02861          break;
02862       case FacComponent_Result:
02863          chan_misdn_log(1, bc->port, " -->  Result\n");
02864          break;
02865       default:
02866          break;
02867       }
02868       break;
02869    case Fac_CallRerouteing:
02870       chan_misdn_log(1, bc->port, " --> CallRerouteing: InvokeID:%d\n",
02871          fac->u.CallRerouteing.InvokeID);
02872       switch (fac->u.CallRerouteing.ComponentType) {
02873       case FacComponent_Invoke:
02874          chan_misdn_log(1, bc->port, " -->  Invoke: Reason:%d Counter:%d\n",
02875             fac->u.CallRerouteing.Component.Invoke.ReroutingReason,
02876             fac->u.CallRerouteing.Component.Invoke.ReroutingCounter);
02877          chan_misdn_log(1, bc->port, " -->   CalledAddress:\n");
02878          print_facility_Address(3, &fac->u.CallRerouteing.Component.Invoke.CalledAddress, bc);
02879          print_facility_Q931_Bc_Hlc_Llc_Uu(2, &fac->u.CallRerouteing.Component.Invoke.Q931ie, bc);
02880          chan_misdn_log(1, bc->port, " -->   LastReroutingNr:\n");
02881          print_facility_PresentedNumberUnscreened(3, &fac->u.CallRerouteing.Component.Invoke.LastRerouting, bc);
02882          chan_misdn_log(1, bc->port, " -->   SubscriptionOption:%d\n",
02883             fac->u.CallRerouteing.Component.Invoke.SubscriptionOption);
02884          if (fac->u.CallRerouteing.Component.Invoke.CallingPartySubaddress.Length) {
02885             chan_misdn_log(1, bc->port, " -->   CallingParty:\n");
02886             print_facility_Subaddress(3, &fac->u.CallRerouteing.Component.Invoke.CallingPartySubaddress, bc);
02887          }
02888          break;
02889       case FacComponent_Result:
02890          chan_misdn_log(1, bc->port, " -->  Result\n");
02891          break;
02892       default:
02893          break;
02894       }
02895       break;
02896    case Fac_InterrogateServedUserNumbers:
02897       chan_misdn_log(1, bc->port, " --> InterrogateServedUserNumbers: InvokeID:%d\n",
02898          fac->u.InterrogateServedUserNumbers.InvokeID);
02899       switch (fac->u.InterrogateServedUserNumbers.ComponentType) {
02900       case FacComponent_Invoke:
02901          chan_misdn_log(1, bc->port, " -->  Invoke\n");
02902          break;
02903       case FacComponent_Result:
02904          chan_misdn_log(1, bc->port, " -->  Result:\n");
02905          if (fac->u.InterrogateServedUserNumbers.Component.Result.NumRecords) {
02906             for (Index = 0; Index < fac->u.InterrogateServedUserNumbers.Component.Result.NumRecords; ++Index) {
02907                chan_misdn_log(1, bc->port, " -->   ServedUserNr[%d]:\n", Index);
02908                print_facility_PartyNumber(3, &fac->u.InterrogateServedUserNumbers.Component.Result.List[Index], bc);
02909             }
02910          }
02911          break;
02912       default:
02913          break;
02914       }
02915       break;
02916    case Fac_DivertingLegInformation1:
02917       chan_misdn_log(1, bc->port, " --> DivertingLegInformation1: InvokeID:%d Reason:%d SubscriptionOption:%d\n",
02918          fac->u.DivertingLegInformation1.InvokeID,
02919          fac->u.DivertingLegInformation1.DiversionReason,
02920          fac->u.DivertingLegInformation1.SubscriptionOption);
02921       if (fac->u.DivertingLegInformation1.DivertedToPresent) {
02922          chan_misdn_log(1, bc->port, " -->  DivertedToNr:\n");
02923          print_facility_PresentedNumberUnscreened(2, &fac->u.DivertingLegInformation1.DivertedTo, bc);
02924       }
02925       break;
02926    case Fac_DivertingLegInformation2:
02927       chan_misdn_log(1, bc->port, " --> DivertingLegInformation2: InvokeID:%d Reason:%d Count:%d\n",
02928          fac->u.DivertingLegInformation2.InvokeID,
02929          fac->u.DivertingLegInformation2.DiversionReason,
02930          fac->u.DivertingLegInformation2.DiversionCounter);
02931       if (fac->u.DivertingLegInformation2.DivertingPresent) {
02932          chan_misdn_log(1, bc->port, " -->  DivertingNr:\n");
02933          print_facility_PresentedNumberUnscreened(2, &fac->u.DivertingLegInformation2.Diverting, bc);
02934       }
02935       if (fac->u.DivertingLegInformation2.OriginalCalledPresent) {
02936          chan_misdn_log(1, bc->port, " -->  OriginalCalledNr:\n");
02937          print_facility_PresentedNumberUnscreened(2, &fac->u.DivertingLegInformation2.OriginalCalled, bc);
02938       }
02939       break;
02940    case Fac_DivertingLegInformation3:
02941       chan_misdn_log(1, bc->port, " --> DivertingLegInformation3: InvokeID:%d PresentationAllowed:%d\n",
02942          fac->u.DivertingLegInformation3.InvokeID,
02943          fac->u.DivertingLegInformation3.PresentationAllowedIndicator);
02944       break;
02945 
02946 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
02947 
02948    case Fac_CD:
02949       chan_misdn_log(1, bc->port, " --> calldeflect to: %s, presentable: %s\n", fac->u.CDeflection.DeflectedToNumber,
02950          fac->u.CDeflection.PresentationAllowed ? "yes" : "no");
02951       break;
02952 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
02953    case Fac_AOCDCurrency:
02954       if (fac->u.AOCDcur.chargeNotAvailable) {
02955          chan_misdn_log(1, bc->port, " --> AOCD currency: charge not available\n");
02956       } else if (fac->u.AOCDcur.freeOfCharge) {
02957          chan_misdn_log(1, bc->port, " --> AOCD currency: free of charge\n");
02958       } else if (fac->u.AOCDchu.billingId >= 0) {
02959          chan_misdn_log(1, bc->port, " --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%s billingId:%d\n",
02960             fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
02961             (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDcur.billingId);
02962       } else {
02963          chan_misdn_log(1, bc->port, " --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%s\n",
02964             fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
02965             (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total");
02966       }
02967       break;
02968    case Fac_AOCDChargingUnit:
02969       if (fac->u.AOCDchu.chargeNotAvailable) {
02970          chan_misdn_log(1, bc->port, " --> AOCD charging unit: charge not available\n");
02971       } else if (fac->u.AOCDchu.freeOfCharge) {
02972          chan_misdn_log(1, bc->port, " --> AOCD charging unit: free of charge\n");
02973       } else if (fac->u.AOCDchu.billingId >= 0) {
02974          chan_misdn_log(1, bc->port, " --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s billingId:%d\n",
02975             fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDchu.billingId);
02976       } else {
02977          chan_misdn_log(1, bc->port, " --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s\n",
02978             fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total");
02979       }
02980       break;
02981 #if defined(AST_MISDN_ENHANCEMENTS)
02982    case Fac_ERROR:
02983       chan_misdn_log(1, bc->port, " --> ERROR: InvokeID:%d, Code:0x%02x\n",
02984          fac->u.ERROR.invokeId, fac->u.ERROR.errorValue);
02985       break;
02986    case Fac_RESULT:
02987       chan_misdn_log(1, bc->port, " --> RESULT: InvokeID:%d\n",
02988          fac->u.RESULT.InvokeID);
02989       break;
02990    case Fac_REJECT:
02991       if (fac->u.REJECT.InvokeIDPresent) {
02992          chan_misdn_log(1, bc->port, " --> REJECT: InvokeID:%d, Code:0x%02x\n",
02993             fac->u.REJECT.InvokeID, fac->u.REJECT.Code);
02994       } else {
02995          chan_misdn_log(1, bc->port, " --> REJECT: Code:0x%02x\n",
02996             fac->u.REJECT.Code);
02997       }
02998       break;
02999    case Fac_EctExecute:
03000       chan_misdn_log(1, bc->port, " --> EctExecute: InvokeID:%d\n",
03001          fac->u.EctExecute.InvokeID);
03002       break;
03003    case Fac_ExplicitEctExecute:
03004       chan_misdn_log(1, bc->port, " --> ExplicitEctExecute: InvokeID:%d LinkID:%d\n",
03005          fac->u.ExplicitEctExecute.InvokeID,
03006          fac->u.ExplicitEctExecute.LinkID);
03007       break;
03008    case Fac_RequestSubaddress:
03009       chan_misdn_log(1, bc->port, " --> RequestSubaddress: InvokeID:%d\n",
03010          fac->u.RequestSubaddress.InvokeID);
03011       break;
03012    case Fac_SubaddressTransfer:
03013       chan_misdn_log(1, bc->port, " --> SubaddressTransfer: InvokeID:%d\n",
03014          fac->u.SubaddressTransfer.InvokeID);
03015       print_facility_Subaddress(1, &fac->u.SubaddressTransfer.Subaddress, bc);
03016       break;
03017    case Fac_EctLinkIdRequest:
03018       chan_misdn_log(1, bc->port, " --> EctLinkIdRequest: InvokeID:%d\n",
03019          fac->u.EctLinkIdRequest.InvokeID);
03020       switch (fac->u.EctLinkIdRequest.ComponentType) {
03021       case FacComponent_Invoke:
03022          chan_misdn_log(1, bc->port, " -->  Invoke\n");
03023          break;
03024       case FacComponent_Result:
03025          chan_misdn_log(1, bc->port, " -->  Result: LinkID:%d\n",
03026             fac->u.EctLinkIdRequest.Component.Result.LinkID);
03027          break;
03028       default:
03029          break;
03030       }
03031       break;
03032    case Fac_EctInform:
03033       chan_misdn_log(1, bc->port, " --> EctInform: InvokeID:%d Status:%d\n",
03034          fac->u.EctInform.InvokeID,
03035          fac->u.EctInform.Status);
03036       if (fac->u.EctInform.RedirectionPresent) {
03037          chan_misdn_log(1, bc->port, " -->  Redirection Number\n");
03038          print_facility_PresentedNumberUnscreened(2, &fac->u.EctInform.Redirection, bc);
03039       }
03040       break;
03041    case Fac_EctLoopTest:
03042       chan_misdn_log(1, bc->port, " --> EctLoopTest: InvokeID:%d\n",
03043          fac->u.EctLoopTest.InvokeID);
03044       switch (fac->u.EctLoopTest.ComponentType) {
03045       case FacComponent_Invoke:
03046          chan_misdn_log(1, bc->port, " -->  Invoke: CallTransferID:%d\n",
03047             fac->u.EctLoopTest.Component.Invoke.CallTransferID);
03048          break;
03049       case FacComponent_Result:
03050          chan_misdn_log(1, bc->port, " -->  Result: LoopResult:%d\n",
03051             fac->u.EctLoopTest.Component.Result.LoopResult);
03052          break;
03053       default:
03054          break;
03055       }
03056       break;
03057    case Fac_StatusRequest:
03058       chan_misdn_log(1, bc->port, " --> StatusRequest: InvokeID:%d\n",
03059          fac->u.StatusRequest.InvokeID);
03060       switch (fac->u.StatusRequest.ComponentType) {
03061       case FacComponent_Invoke:
03062          chan_misdn_log(1, bc->port, " -->  Invoke: Compatibility:%d\n",
03063             fac->u.StatusRequest.Component.Invoke.CompatibilityMode);
03064          break;
03065       case FacComponent_Result:
03066          chan_misdn_log(1, bc->port, " -->  Result: Status:%d\n",
03067             fac->u.StatusRequest.Component.Result.Status);
03068          break;
03069       default:
03070          break;
03071       }
03072       break;
03073    case Fac_CallInfoRetain:
03074       chan_misdn_log(1, bc->port, " --> CallInfoRetain: InvokeID:%d, LinkageID:%d\n",
03075          fac->u.CallInfoRetain.InvokeID, fac->u.CallInfoRetain.CallLinkageID);
03076       break;
03077    case Fac_CCBSDeactivate:
03078       chan_misdn_log(1, bc->port, " --> CCBSDeactivate: InvokeID:%d\n",
03079          fac->u.CCBSDeactivate.InvokeID);
03080       switch (fac->u.CCBSDeactivate.ComponentType) {
03081       case FacComponent_Invoke:
03082          chan_misdn_log(1, bc->port, " -->  Invoke: CCBSReference:%d\n",
03083             fac->u.CCBSDeactivate.Component.Invoke.CCBSReference);
03084          break;
03085       case FacComponent_Result:
03086          chan_misdn_log(1, bc->port, " -->  Result\n");
03087          break;
03088       default:
03089          break;
03090       }
03091       break;
03092    case Fac_CCBSErase:
03093       chan_misdn_log(1, bc->port, " --> CCBSErase: InvokeID:%d, CCBSReference:%d RecallMode:%d, Reason:%d\n",
03094          fac->u.CCBSErase.InvokeID, fac->u.CCBSErase.CCBSReference,
03095          fac->u.CCBSErase.RecallMode, fac->u.CCBSErase.Reason);
03096       chan_misdn_log(1, bc->port, " -->  AddressOfB\n");
03097       print_facility_Address(2, &fac->u.CCBSErase.AddressOfB, bc);
03098       print_facility_Q931_Bc_Hlc_Llc(1, &fac->u.CCBSErase.Q931ie, bc);
03099       break;
03100    case Fac_CCBSRemoteUserFree:
03101       chan_misdn_log(1, bc->port, " --> CCBSRemoteUserFree: InvokeID:%d, CCBSReference:%d RecallMode:%d\n",
03102          fac->u.CCBSRemoteUserFree.InvokeID, fac->u.CCBSRemoteUserFree.CCBSReference,
03103          fac->u.CCBSRemoteUserFree.RecallMode);
03104       chan_misdn_log(1, bc->port, " -->  AddressOfB\n");
03105       print_facility_Address(2, &fac->u.CCBSRemoteUserFree.AddressOfB, bc);
03106       print_facility_Q931_Bc_Hlc_Llc(1, &fac->u.CCBSRemoteUserFree.Q931ie, bc);
03107       break;
03108    case Fac_CCBSCall:
03109       chan_misdn_log(1, bc->port, " --> CCBSCall: InvokeID:%d, CCBSReference:%d\n",
03110          fac->u.CCBSCall.InvokeID, fac->u.CCBSCall.CCBSReference);
03111       break;
03112    case Fac_CCBSStatusRequest:
03113       chan_misdn_log(1, bc->port, " --> CCBSStatusRequest: InvokeID:%d\n",
03114          fac->u.CCBSStatusRequest.InvokeID);
03115       switch (fac->u.CCBSStatusRequest.ComponentType) {
03116       case FacComponent_Invoke:
03117          chan_misdn_log(1, bc->port, " -->  Invoke: CCBSReference:%d RecallMode:%d\n",
03118             fac->u.CCBSStatusRequest.Component.Invoke.CCBSReference,
03119             fac->u.CCBSStatusRequest.Component.Invoke.RecallMode);
03120          print_facility_Q931_Bc_Hlc_Llc(2, &fac->u.CCBSStatusRequest.Component.Invoke.Q931ie, bc);
03121          break;
03122       case FacComponent_Result:
03123          chan_misdn_log(1, bc->port, " -->  Result: Free:%d\n",
03124             fac->u.CCBSStatusRequest.Component.Result.Free);
03125          break;
03126       default:
03127          break;
03128       }
03129       break;
03130    case Fac_CCBSBFree:
03131       chan_misdn_log(1, bc->port, " --> CCBSBFree: InvokeID:%d, CCBSReference:%d RecallMode:%d\n",
03132          fac->u.CCBSBFree.InvokeID, fac->u.CCBSBFree.CCBSReference,
03133          fac->u.CCBSBFree.RecallMode);
03134       chan_misdn_log(1, bc->port, " -->  AddressOfB\n");
03135       print_facility_Address(2, &fac->u.CCBSBFree.AddressOfB, bc);
03136       print_facility_Q931_Bc_Hlc_Llc(1, &fac->u.CCBSBFree.Q931ie, bc);
03137       break;
03138    case Fac_EraseCallLinkageID:
03139       chan_misdn_log(1, bc->port, " --> EraseCallLinkageID: InvokeID:%d, LinkageID:%d\n",
03140          fac->u.EraseCallLinkageID.InvokeID, fac->u.EraseCallLinkageID.CallLinkageID);
03141       break;
03142    case Fac_CCBSStopAlerting:
03143       chan_misdn_log(1, bc->port, " --> CCBSStopAlerting: InvokeID:%d, CCBSReference:%d\n",
03144          fac->u.CCBSStopAlerting.InvokeID, fac->u.CCBSStopAlerting.CCBSReference);
03145       break;
03146    case Fac_CCBSRequest:
03147       chan_misdn_log(1, bc->port, " --> CCBSRequest: InvokeID:%d\n",
03148          fac->u.CCBSRequest.InvokeID);
03149       switch (fac->u.CCBSRequest.ComponentType) {
03150       case FacComponent_Invoke:
03151          chan_misdn_log(1, bc->port, " -->  Invoke: LinkageID:%d\n",
03152             fac->u.CCBSRequest.Component.Invoke.CallLinkageID);
03153          break;
03154       case FacComponent_Result:
03155          chan_misdn_log(1, bc->port, " -->  Result: CCBSReference:%d RecallMode:%d\n",
03156             fac->u.CCBSRequest.Component.Result.CCBSReference,
03157             fac->u.CCBSRequest.Component.Result.RecallMode);
03158          break;
03159       default:
03160          break;
03161       }
03162       break;
03163    case Fac_CCBSInterrogate:
03164       chan_misdn_log(1, bc->port, " --> CCBSInterrogate: InvokeID:%d\n",
03165          fac->u.CCBSInterrogate.InvokeID);
03166       switch (fac->u.CCBSInterrogate.ComponentType) {
03167       case FacComponent_Invoke:
03168          chan_misdn_log(1, bc->port, " -->  Invoke\n");
03169          if (fac->u.CCBSInterrogate.Component.Invoke.CCBSReferencePresent) {
03170             chan_misdn_log(1, bc->port, " -->   CCBSReference:%d\n",
03171                fac->u.CCBSInterrogate.Component.Invoke.CCBSReference);
03172          }
03173          if (fac->u.CCBSInterrogate.Component.Invoke.AParty.LengthOfNumber) {
03174             chan_misdn_log(1, bc->port, " -->   AParty\n");
03175             print_facility_PartyNumber(3, &fac->u.CCBSInterrogate.Component.Invoke.AParty, bc);
03176          }
03177          break;
03178       case FacComponent_Result:
03179          chan_misdn_log(1, bc->port, " -->  Result: RecallMode:%d\n",
03180             fac->u.CCBSInterrogate.Component.Result.RecallMode);
03181          if (fac->u.CCBSInterrogate.Component.Result.NumRecords) {
03182             for (Index = 0; Index < fac->u.CCBSInterrogate.Component.Result.NumRecords; ++Index) {
03183                chan_misdn_log(1, bc->port, " -->   CallDetails[%d]:\n", Index);
03184                print_facility_CallInformation(3, &fac->u.CCBSInterrogate.Component.Result.CallDetails[Index], bc);
03185             }
03186          }
03187          break;
03188       default:
03189          break;
03190       }
03191       break;
03192    case Fac_CCNRRequest:
03193       chan_misdn_log(1, bc->port, " --> CCNRRequest: InvokeID:%d\n",
03194          fac->u.CCNRRequest.InvokeID);
03195       switch (fac->u.CCNRRequest.ComponentType) {
03196       case FacComponent_Invoke:
03197          chan_misdn_log(1, bc->port, " -->  Invoke: LinkageID:%d\n",
03198             fac->u.CCNRRequest.Component.Invoke.CallLinkageID);
03199          break;
03200       case FacComponent_Result:
03201          chan_misdn_log(1, bc->port, " -->  Result: CCBSReference:%d RecallMode:%d\n",
03202             fac->u.CCNRRequest.Component.Result.CCBSReference,
03203             fac->u.CCNRRequest.Component.Result.RecallMode);
03204          break;
03205       default:
03206          break;
03207       }
03208       break;
03209    case Fac_CCNRInterrogate:
03210       chan_misdn_log(1, bc->port, " --> CCNRInterrogate: InvokeID:%d\n",
03211          fac->u.CCNRInterrogate.InvokeID);
03212       switch (fac->u.CCNRInterrogate.ComponentType) {
03213       case FacComponent_Invoke:
03214          chan_misdn_log(1, bc->port, " -->  Invoke\n");
03215          if (fac->u.CCNRInterrogate.Component.Invoke.CCBSReferencePresent) {
03216             chan_misdn_log(1, bc->port, " -->   CCBSReference:%d\n",
03217                fac->u.CCNRInterrogate.Component.Invoke.CCBSReference);
03218          }
03219          if (fac->u.CCNRInterrogate.Component.Invoke.AParty.LengthOfNumber) {
03220             chan_misdn_log(1, bc->port, " -->   AParty\n");
03221             print_facility_PartyNumber(3, &fac->u.CCNRInterrogate.Component.Invoke.AParty, bc);
03222          }
03223          break;
03224       case FacComponent_Result:
03225          chan_misdn_log(1, bc->port, " -->  Result: RecallMode:%d\n",
03226             fac->u.CCNRInterrogate.Component.Result.RecallMode);
03227          if (fac->u.CCNRInterrogate.Component.Result.NumRecords) {
03228             for (Index = 0; Index < fac->u.CCNRInterrogate.Component.Result.NumRecords; ++Index) {
03229                chan_misdn_log(1, bc->port, " -->   CallDetails[%d]:\n", Index);
03230                print_facility_CallInformation(3, &fac->u.CCNRInterrogate.Component.Result.CallDetails[Index], bc);
03231             }
03232          }
03233          break;
03234       default:
03235          break;
03236       }
03237       break;
03238    case Fac_CCBS_T_Call:
03239       chan_misdn_log(1, bc->port, " --> CCBS_T_Call: InvokeID:%d\n",
03240          fac->u.CCBS_T_Call.InvokeID);
03241       break;
03242    case Fac_CCBS_T_Suspend:
03243       chan_misdn_log(1, bc->port, " --> CCBS_T_Suspend: InvokeID:%d\n",
03244          fac->u.CCBS_T_Suspend.InvokeID);
03245       break;
03246    case Fac_CCBS_T_Resume:
03247       chan_misdn_log(1, bc->port, " --> CCBS_T_Resume: InvokeID:%d\n",
03248          fac->u.CCBS_T_Resume.InvokeID);
03249       break;
03250    case Fac_CCBS_T_RemoteUserFree:
03251       chan_misdn_log(1, bc->port, " --> CCBS_T_RemoteUserFree: InvokeID:%d\n",
03252          fac->u.CCBS_T_RemoteUserFree.InvokeID);
03253       break;
03254    case Fac_CCBS_T_Available:
03255       chan_misdn_log(1, bc->port, " --> CCBS_T_Available: InvokeID:%d\n",
03256          fac->u.CCBS_T_Available.InvokeID);
03257       break;
03258    case Fac_CCBS_T_Request:
03259       chan_misdn_log(1, bc->port, " --> CCBS_T_Request: InvokeID:%d\n",
03260          fac->u.CCBS_T_Request.InvokeID);
03261       switch (fac->u.CCBS_T_Request.ComponentType) {
03262       case FacComponent_Invoke:
03263          chan_misdn_log(1, bc->port, " -->  Invoke\n");
03264          chan_misdn_log(1, bc->port, " -->   DestinationAddress:\n");
03265          print_facility_Address(3, &fac->u.CCBS_T_Request.Component.Invoke.Destination, bc);
03266          print_facility_Q931_Bc_Hlc_Llc(2, &fac->u.CCBS_T_Request.Component.Invoke.Q931ie, bc);
03267          if (fac->u.CCBS_T_Request.Component.Invoke.RetentionSupported) {
03268             chan_misdn_log(1, bc->port, " -->   RetentionSupported:1\n");
03269          }
03270          if (fac->u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent) {
03271             chan_misdn_log(1, bc->port, " -->   PresentationAllowed:%d\n",
03272                fac->u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicator);
03273          }
03274          if (fac->u.CCBS_T_Request.Component.Invoke.Originating.Party.LengthOfNumber) {
03275             chan_misdn_log(1, bc->port, " -->   OriginatingAddress:\n");
03276             print_facility_Address(3, &fac->u.CCBS_T_Request.Component.Invoke.Originating, bc);
03277          }
03278          break;
03279       case FacComponent_Result:
03280          chan_misdn_log(1, bc->port, " -->  Result: RetentionSupported:%d\n",
03281             fac->u.CCBS_T_Request.Component.Result.RetentionSupported);
03282          break;
03283       default:
03284          break;
03285       }
03286       break;
03287    case Fac_CCNR_T_Request:
03288       chan_misdn_log(1, bc->port, " --> CCNR_T_Request: InvokeID:%d\n",
03289          fac->u.CCNR_T_Request.InvokeID);
03290       switch (fac->u.CCNR_T_Request.ComponentType) {
03291       case FacComponent_Invoke:
03292          chan_misdn_log(1, bc->port, " -->  Invoke\n");
03293          chan_misdn_log(1, bc->port, " -->   DestinationAddress:\n");
03294          print_facility_Address(3, &fac->u.CCNR_T_Request.Component.Invoke.Destination, bc);
03295          print_facility_Q931_Bc_Hlc_Llc(2, &fac->u.CCNR_T_Request.Component.Invoke.Q931ie, bc);
03296          if (fac->u.CCNR_T_Request.Component.Invoke.RetentionSupported) {
03297             chan_misdn_log(1, bc->port, " -->   RetentionSupported:1\n");
03298          }
03299          if (fac->u.CCNR_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent) {
03300             chan_misdn_log(1, bc->port, " -->   PresentationAllowed:%d\n",
03301                fac->u.CCNR_T_Request.Component.Invoke.PresentationAllowedIndicator);
03302          }
03303          if (fac->u.CCNR_T_Request.Component.Invoke.Originating.Party.LengthOfNumber) {
03304             chan_misdn_log(1, bc->port, " -->   OriginatingAddress:\n");
03305             print_facility_Address(3, &fac->u.CCNR_T_Request.Component.Invoke.Originating, bc);
03306          }
03307          break;
03308       case FacComponent_Result:
03309          chan_misdn_log(1, bc->port, " -->  Result: RetentionSupported:%d\n",
03310             fac->u.CCNR_T_Request.Component.Result.RetentionSupported);
03311          break;
03312       default:
03313          break;
03314       }
03315       break;
03316 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
03317    case Fac_None:
03318       /* No facility so print nothing */
03319       break;
03320    default:
03321       chan_misdn_log(1, bc->port, " --> unknown facility\n");
03322       break;
03323    }
03324 }
03325 
03326 static void print_bearer(struct misdn_bchannel *bc)
03327 {
03328    chan_misdn_log(2, bc->port, " --> Bearer: %s\n", bearer2str(bc->capability));
03329 
03330    switch(bc->law) {
03331    case INFO_CODEC_ALAW:
03332       chan_misdn_log(2, bc->port, " --> Codec: Alaw\n");
03333       break;
03334    case INFO_CODEC_ULAW:
03335       chan_misdn_log(2, bc->port, " --> Codec: Ulaw\n");
03336       break;
03337    }
03338 }
03339 
03340 /*!
03341  * \internal
03342  * \brief Prefix a string to another string in place.
03343  *
03344  * \param str_prefix String to prefix to the main string.
03345  * \param str_main String to get the prefix added to it.
03346  * \param size Buffer size of the main string (Includes null terminator).
03347  *
03348  * \note The str_main buffer size must be greater than one.
03349  *
03350  * \return Nothing
03351  */
03352 static void misdn_prefix_string(const char *str_prefix, char *str_main, size_t size)
03353 {
03354    size_t len_over;
03355    size_t len_total;
03356    size_t len_main;
03357    size_t len_prefix;
03358 
03359    len_prefix = strlen(str_prefix);
03360    if (!len_prefix) {
03361       /* There is no prefix to prepend. */
03362       return;
03363    }
03364    len_main = strlen(str_main);
03365    len_total = len_prefix + len_main;
03366    if (size <= len_total) {
03367       /* We need to truncate since the buffer is too small. */
03368       len_over = len_total + 1 - size;
03369       if (len_over <= len_main) {
03370          len_main -= len_over;
03371       } else {
03372          len_over -= len_main;
03373          len_main = 0;
03374          len_prefix -= len_over;
03375       }
03376    }
03377    if (len_main) {
03378       memmove(str_main + len_prefix, str_main, len_main);
03379    }
03380    memcpy(str_main, str_prefix, len_prefix);
03381    str_main[len_prefix + len_main] = '\0';
03382 }
03383 
03384 /*!
03385  * \internal
03386  * \brief Add a configured prefix to the given number.
03387  *
03388  * \param port Logical port number
03389  * \param number_type Type-of-number passed in.
03390  * \param number Given number string to add prefix
03391  * \param size Buffer size number string occupies.
03392  *
03393  * \return Nothing
03394  */
03395 static void misdn_add_number_prefix(int port, enum mISDN_NUMBER_TYPE number_type, char *number, size_t size)
03396 {
03397    enum misdn_cfg_elements type_prefix;
03398    char num_prefix[MISDN_MAX_NUMBER_LEN];
03399 
03400    /* Get prefix string. */
03401    switch (number_type) {
03402    case NUMTYPE_UNKNOWN:
03403       type_prefix = MISDN_CFG_TON_PREFIX_UNKNOWN;
03404       break;
03405    case NUMTYPE_INTERNATIONAL:
03406       type_prefix = MISDN_CFG_TON_PREFIX_INTERNATIONAL;
03407       break;
03408    case NUMTYPE_NATIONAL:
03409       type_prefix = MISDN_CFG_TON_PREFIX_NATIONAL;
03410       break;
03411    case NUMTYPE_NETWORK_SPECIFIC:
03412       type_prefix = MISDN_CFG_TON_PREFIX_NETWORK_SPECIFIC;
03413       break;
03414    case NUMTYPE_SUBSCRIBER:
03415       type_prefix = MISDN_CFG_TON_PREFIX_SUBSCRIBER;
03416       break;
03417    case NUMTYPE_ABBREVIATED:
03418       type_prefix = MISDN_CFG_TON_PREFIX_ABBREVIATED;
03419       break;
03420    default:
03421       /* Type-of-number does not have a prefix that can be added. */
03422       return;
03423    }
03424    misdn_cfg_get(port, type_prefix, num_prefix, sizeof(num_prefix));
03425 
03426    misdn_prefix_string(num_prefix, number, size);
03427 }
03428 
03429 static void export_aoc_vars(int originator, struct ast_channel *ast, struct misdn_bchannel *bc)
03430 {
03431    char buf[128];
03432 
03433    if (!bc->AOCD_need_export || !ast) {
03434       return;
03435    }
03436 
03437    if (originator == ORG_AST) {
03438       ast = ast_bridged_channel(ast);
03439       if (!ast) {
03440          return;
03441       }
03442    }
03443 
03444    switch (bc->AOCDtype) {
03445    case Fac_AOCDCurrency:
03446       pbx_builtin_setvar_helper(ast, "AOCD_Type", "currency");
03447       if (bc->AOCD.currency.chargeNotAvailable) {
03448          pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "no");
03449       } else {
03450          pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "yes");
03451          if (bc->AOCD.currency.freeOfCharge) {
03452             pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "yes");
03453          } else {
03454             pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "no");
03455             if (snprintf(buf, sizeof(buf), "%d %s", bc->AOCD.currency.currencyAmount * bc->AOCD.currency.multiplier, bc->AOCD.currency.currency) < sizeof(buf)) {
03456                pbx_builtin_setvar_helper(ast, "AOCD_Amount", buf);
03457                if (bc->AOCD.currency.billingId >= 0 && snprintf(buf, sizeof(buf), "%d", bc->AOCD.currency.billingId) < sizeof(buf)) {
03458                   pbx_builtin_setvar_helper(ast, "AOCD_BillingId", buf);
03459                }
03460             }
03461          }
03462       }
03463       break;
03464    case Fac_AOCDChargingUnit:
03465       pbx_builtin_setvar_helper(ast, "AOCD_Type", "charging_unit");
03466       if (bc->AOCD.chargingUnit.chargeNotAvailable) {
03467          pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "no");
03468       } else {
03469          pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "yes");
03470          if (bc->AOCD.chargingUnit.freeOfCharge) {
03471             pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "yes");
03472          } else {
03473             pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "no");
03474             if (snprintf(buf, sizeof(buf), "%d", bc->AOCD.chargingUnit.recordedUnits) < sizeof(buf)) {
03475                pbx_builtin_setvar_helper(ast, "AOCD_RecordedUnits", buf);
03476                if (bc->AOCD.chargingUnit.billingId >= 0 && snprintf(buf, sizeof(buf), "%d", bc->AOCD.chargingUnit.billingId) < sizeof(buf)) {
03477                   pbx_builtin_setvar_helper(ast, "AOCD_BillingId", buf);
03478                }
03479             }
03480          }
03481       }
03482       break;
03483    default:
03484       break;
03485    }
03486 
03487    bc->AOCD_need_export = 0;
03488 }
03489 
03490 /*************** Helpers END *************/
03491 
03492 static void sighandler(int sig)
03493 {
03494 }
03495 
03496 static void *misdn_tasks_thread_func(void *data)
03497 {
03498    int wait;
03499    struct sigaction sa;
03500 
03501    sa.sa_handler = sighandler;
03502    sa.sa_flags = SA_NODEFER;
03503    sigemptyset(&sa.sa_mask);
03504    sigaddset(&sa.sa_mask, SIGUSR1);
03505    sigaction(SIGUSR1, &sa, NULL);
03506 
03507    sem_post((sem_t *)data);
03508 
03509    while (1) {
03510       wait = ast_sched_wait(misdn_tasks);
03511       if (wait < 0) {
03512          wait = 8000;
03513       }
03514       if (poll(NULL, 0, wait) < 0) {
03515          chan_misdn_log(4, 0, "Waking up misdn_tasks thread\n");
03516       }
03517       ast_sched_runq(misdn_tasks);
03518    }
03519    return NULL;
03520 }
03521 
03522 static void misdn_tasks_init(void)
03523 {
03524    sem_t blocker;
03525    int i = 5;
03526 
03527    if (sem_init(&blocker, 0, 0)) {
03528       perror("chan_misdn: Failed to initialize semaphore!");
03529       exit(1);
03530    }
03531 
03532    chan_misdn_log(4, 0, "Starting misdn_tasks thread\n");
03533 
03534    misdn_tasks = sched_context_create();
03535    pthread_create(&misdn_tasks_thread, NULL, misdn_tasks_thread_func, &blocker);
03536 
03537    while (sem_wait(&blocker) && --i) {
03538    }
03539    sem_destroy(&blocker);
03540 }
03541 
03542 static void misdn_tasks_destroy(void)
03543 {
03544    if (misdn_tasks) {
03545       chan_misdn_log(4, 0, "Killing misdn_tasks thread\n");
03546       if (pthread_cancel(misdn_tasks_thread) == 0) {
03547          cb_log(4, 0, "Joining misdn_tasks thread\n");
03548          pthread_join(misdn_tasks_thread, NULL);
03549       }
03550       sched_context_destroy(misdn_tasks);
03551    }
03552 }
03553 
03554 static inline void misdn_tasks_wakeup(void)
03555 {
03556    pthread_kill(misdn_tasks_thread, SIGUSR1);
03557 }
03558 
03559 static inline int _misdn_tasks_add_variable(int timeout, ast_sched_cb callback, const void *data, int variable)
03560 {
03561    int task_id;
03562 
03563    if (!misdn_tasks) {
03564       misdn_tasks_init();
03565    }
03566    task_id = ast_sched_add_variable(misdn_tasks, timeout, callback, data, variable);
03567    misdn_tasks_wakeup();
03568 
03569    return task_id;
03570 }
03571 
03572 static int misdn_tasks_add(int timeout, ast_sched_cb callback, const void *data)
03573 {
03574    return _misdn_tasks_add_variable(timeout, callback, data, 0);
03575 }
03576 
03577 static int misdn_tasks_add_variable(int timeout, ast_sched_cb callback, const void *data)
03578 {
03579    return _misdn_tasks_add_variable(timeout, callback, data, 1);
03580 }
03581 
03582 static void misdn_tasks_remove(int task_id)
03583 {
03584    AST_SCHED_DEL(misdn_tasks, task_id);
03585 }
03586 
03587 static int misdn_l1_task(const void *vdata)
03588 {
03589    const int *data = vdata;
03590 
03591    misdn_lib_isdn_l1watcher(*data);
03592    chan_misdn_log(5, *data, "L1watcher timeout\n");
03593    return 1;
03594 }
03595 
03596 static int misdn_overlap_dial_task(const void *data)
03597 {
03598    struct timeval tv_end, tv_now;
03599    int diff;
03600    struct chan_list *ch = (struct chan_list *) data;
03601    char *dad;
03602 
03603    chan_misdn_log(4, ch->bc->port, "overlap dial task, chan_state: %d\n", ch->state);
03604 
03605    if (ch->state != MISDN_WAITING4DIGS) {
03606       ch->overlap_dial_task = -1;
03607       return 0;
03608    }
03609 
03610    ast_mutex_lock(&ch->overlap_tv_lock);
03611    tv_end = ch->overlap_tv;
03612    ast_mutex_unlock(&ch->overlap_tv_lock);
03613 
03614    tv_end.tv_sec += ch->overlap_dial;
03615    tv_now = ast_tvnow();
03616 
03617    diff = ast_tvdiff_ms(tv_end, tv_now);
03618    if (100 < diff) {
03619       return diff;
03620    }
03621 
03622    /* if we are 100ms near the timeout, we are satisfied.. */
03623    stop_indicate(ch);
03624 
03625    if (ast_strlen_zero(ch->bc->dialed.number)) {
03626       dad = "s";
03627       strcpy(ch->ast->exten, dad);
03628    } else {
03629       dad = ch->bc->dialed.number;
03630    }
03631 
03632    if (ast_exists_extension(ch->ast, ch->context, dad, 1, ch->bc->caller.number)) {
03633       ch->state = MISDN_DIALING;
03634       if (pbx_start_chan(ch) < 0) {
03635          chan_misdn_log(-1, ch->bc->port, "ast_pbx_start returned < 0 in misdn_overlap_dial_task\n");
03636          goto misdn_overlap_dial_task_disconnect;
03637       }
03638    } else {
03639 misdn_overlap_dial_task_disconnect:
03640       hanguptone_indicate(ch);
03641       ch->bc->out_cause = AST_CAUSE_UNALLOCATED;
03642       ch->state = MISDN_CLEANING;
03643       misdn_lib_send_event(ch->bc, EVENT_DISCONNECT);
03644    }
03645    ch->overlap_dial_task = -1;
03646    return 0;
03647 }
03648 
03649 static void send_digit_to_chan(struct chan_list *cl, char digit)
03650 {
03651    static const char * const dtmf_tones[] = {
03652 /* *INDENT-OFF* */
03653       "!941+1336/100,!0/100", /* 0 */
03654       "!697+1209/100,!0/100", /* 1 */
03655       "!697+1336/100,!0/100", /* 2 */
03656       "!697+1477/100,!0/100", /* 3 */
03657       "!770+1209/100,!0/100", /* 4 */
03658       "!770+1336/100,!0/100", /* 5 */
03659       "!770+1477/100,!0/100", /* 6 */
03660       "!852+1209/100,!0/100", /* 7 */
03661       "!852+1336/100,!0/100", /* 8 */
03662       "!852+1477/100,!0/100", /* 9 */
03663       "!697+1633/100,!0/100", /* A */
03664       "!770+1633/100,!0/100", /* B */
03665       "!852+1633/100,!0/100", /* C */
03666       "!941+1633/100,!0/100", /* D */
03667       "!941+1209/100,!0/100", /* * */
03668       "!941+1477/100,!0/100", /* # */
03669 /* *INDENT-ON* */
03670    };
03671    struct ast_channel *chan = cl->ast;
03672 
03673    if (digit >= '0' && digit <='9') {
03674       ast_playtones_start(chan, 0, dtmf_tones[digit - '0'], 0);
03675    } else if (digit >= 'A' && digit <= 'D') {
03676       ast_playtones_start(chan, 0, dtmf_tones[digit - 'A' + 10], 0);
03677    } else if (digit == '*') {
03678       ast_playtones_start(chan, 0, dtmf_tones[14], 0);
03679    } else if (digit == '#') {
03680       ast_playtones_start(chan, 0, dtmf_tones[15], 0);
03681    } else {
03682       /* not handled */
03683       ast_debug(1, "Unable to handle DTMF tone '%c' for '%s'\n", digit, chan->name);
03684    }
03685 }
03686 
03687 /*** CLI HANDLING ***/
03688 static char *handle_cli_misdn_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03689 {
03690    int level;
03691 
03692    switch (cmd) {
03693    case CLI_INIT:
03694       e->command = "misdn set debug [on|off]";
03695       e->usage =
03696          "Usage: misdn set debug {on|off|<level>} [only] | [port <port> [only]]\n"
03697          "       Set the debug level of the mISDN channel.\n";
03698       return NULL;
03699    case CLI_GENERATE:
03700       return complete_debug_port(a);
03701    }
03702 
03703    if (a->argc < 4 || a->argc > 7) {
03704       return CLI_SHOWUSAGE;
03705    }
03706 
03707    if (!strcasecmp(a->argv[3], "on")) {
03708       level = 1;
03709    } else if (!strcasecmp(a->argv[3], "off")) {
03710       level = 0;
03711    } else if (isdigit(a->argv[3][0])) {
03712       level = atoi(a->argv[3]);
03713    } else {
03714       return CLI_SHOWUSAGE;
03715    }
03716 
03717    switch (a->argc) {
03718    case 4:
03719    case 5:
03720       {
03721          int i;
03722          int only = 0;
03723          if (a->argc == 5) {
03724             if (strncasecmp(a->argv[4], "only", strlen(a->argv[4]))) {
03725                return CLI_SHOWUSAGE;
03726             } else {
03727                only = 1;
03728             }
03729          }
03730 
03731          for (i = 0; i <= max_ports; i++) {
03732             misdn_debug[i] = level;
03733             misdn_debug_only[i] = only;
03734          }
03735          ast_cli(a->fd, "changing debug level for all ports to %d%s\n", misdn_debug[0], only ? " (only)" : "");
03736       }
03737       break;
03738    case 6:
03739    case 7:
03740       {
03741          int port;
03742          if (strncasecmp(a->argv[4], "port", strlen(a->argv[4])))
03743             return CLI_SHOWUSAGE;
03744          port = atoi(a->argv[5]);
03745          if (port <= 0 || port > max_ports) {
03746             switch (max_ports) {
03747             case 0:
03748                ast_cli(a->fd, "port number not valid! no ports available so you won't get lucky with any number here...\n");
03749                break;
03750             case 1:
03751                ast_cli(a->fd, "port number not valid! only port 1 is available.\n");
03752                break;
03753             default:
03754                ast_cli(a->fd, "port number not valid! only ports 1 to %d are available.\n", max_ports);
03755             }
03756             return 0;
03757          }
03758          if (a->argc == 7) {
03759             if (strncasecmp(a->argv[6], "only", strlen(a->argv[6]))) {
03760                return CLI_SHOWUSAGE;
03761             } else {
03762                misdn_debug_only[port] = 1;
03763             }
03764          } else {
03765             misdn_debug_only[port] = 0;
03766          }
03767          misdn_debug[port] = level;
03768          ast_cli(a->fd, "changing debug level to %d%s for port %d\n", misdn_debug[port], misdn_debug_only[port] ? " (only)" : "", port);
03769       }
03770    }
03771 
03772    return CLI_SUCCESS;
03773 }
03774 
03775 static char *handle_cli_misdn_set_crypt_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03776 {
03777    switch (cmd) {
03778    case CLI_INIT:
03779       e->command = "misdn set crypt debug";
03780       e->usage =
03781          "Usage: misdn set crypt debug <level>\n"
03782          "       Set the crypt debug level of the mISDN channel. Level\n"
03783          "       must be 1 or 2.\n";
03784       return NULL;
03785    case CLI_GENERATE:
03786       return NULL;
03787    }
03788 
03789    if (a->argc != 5) {
03790       return CLI_SHOWUSAGE;
03791    }
03792 
03793    /* XXX Is this supposed to not do anything? XXX */
03794 
03795    return CLI_SUCCESS;
03796 }
03797 
03798 static char *handle_cli_misdn_port_block(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03799 {
03800    switch (cmd) {
03801    case CLI_INIT:
03802       e->command = "misdn port block";
03803       e->usage =
03804          "Usage: misdn port block <port>\n"
03805          "       Block the specified port by <port>.\n";
03806       return NULL;
03807    case CLI_GENERATE:
03808       return NULL;
03809    }
03810 
03811    if (a->argc != 4) {
03812       return CLI_SHOWUSAGE;
03813    }
03814 
03815    misdn_lib_port_block(atoi(a->argv[3]));
03816 
03817    return CLI_SUCCESS;
03818 }
03819 
03820 static char *handle_cli_misdn_port_unblock(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03821 {
03822    switch (cmd) {
03823    case CLI_INIT:
03824       e->command = "misdn port unblock";
03825       e->usage =
03826          "Usage: misdn port unblock <port>\n"
03827          "       Unblock the port specified by <port>.\n";
03828       return NULL;
03829    case CLI_GENERATE:
03830       return NULL;
03831    }
03832 
03833    if (a->argc != 4) {
03834       return CLI_SHOWUSAGE;
03835    }
03836 
03837    misdn_lib_port_unblock(atoi(a->argv[3]));
03838 
03839    return CLI_SUCCESS;
03840 }
03841 
03842 static char *handle_cli_misdn_restart_port(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03843 {
03844    switch (cmd) {
03845    case CLI_INIT:
03846       e->command = "misdn restart port";
03847       e->usage =
03848          "Usage: misdn restart port <port>\n"
03849          "       Restart the given port.\n";
03850       return NULL;
03851    case CLI_GENERATE:
03852       return NULL;
03853    }
03854 
03855    if (a->argc != 4) {
03856       return CLI_SHOWUSAGE;
03857    }
03858 
03859    misdn_lib_port_restart(atoi(a->argv[3]));
03860 
03861    return CLI_SUCCESS;
03862 }
03863 
03864 static char *handle_cli_misdn_restart_pid(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03865 {
03866    switch (cmd) {
03867    case CLI_INIT:
03868       e->command = "misdn restart pid";
03869       e->usage =
03870          "Usage: misdn restart pid <pid>\n"
03871          "       Restart the given pid\n";
03872       return NULL;
03873    case CLI_GENERATE:
03874       return NULL;
03875    }
03876 
03877    if (a->argc != 4) {
03878       return CLI_SHOWUSAGE;
03879    }
03880 
03881    misdn_lib_pid_restart(atoi(a->argv[3]));
03882 
03883    return CLI_SUCCESS;
03884 }
03885 
03886 static char *handle_cli_misdn_port_up(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03887 {
03888    switch (cmd) {
03889    case CLI_INIT:
03890       e->command = "misdn port up";
03891       e->usage =
03892          "Usage: misdn port up <port>\n"
03893          "       Try to establish L1 on the given port.\n";
03894       return NULL;
03895    case CLI_GENERATE:
03896       return NULL;
03897    }
03898 
03899    if (a->argc != 4) {
03900       return CLI_SHOWUSAGE;
03901    }
03902 
03903    misdn_lib_get_port_up(atoi(a->argv[3]));
03904 
03905    return CLI_SUCCESS;
03906 }
03907 
03908 static char *handle_cli_misdn_port_down(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03909 {
03910    switch (cmd) {
03911    case CLI_INIT:
03912       e->command = "misdn port down";
03913       e->usage =
03914          "Usage: misdn port down <port>\n"
03915          "       Try to deactivate the L1 on the given port.\n";
03916       return NULL;
03917    case CLI_GENERATE:
03918       return NULL;
03919    }
03920 
03921    if (a->argc != 4) {
03922       return CLI_SHOWUSAGE;
03923    }
03924 
03925    misdn_lib_get_port_down(atoi(a->argv[3]));
03926 
03927    return CLI_SUCCESS;
03928 }
03929 
03930 static inline void show_config_description(int fd, enum misdn_cfg_elements elem)
03931 {
03932    char section[BUFFERSIZE];
03933    char name[BUFFERSIZE];
03934    char desc[BUFFERSIZE];
03935    char def[BUFFERSIZE];
03936    char tmp[BUFFERSIZE];
03937 
03938    misdn_cfg_get_name(elem, tmp, sizeof(tmp));
03939    term_color(name, tmp, COLOR_BRWHITE, 0, sizeof(tmp));
03940    misdn_cfg_get_desc(elem, desc, sizeof(desc), def, sizeof(def));
03941 
03942    if (elem < MISDN_CFG_LAST) {
03943       term_color(section, "PORTS SECTION", COLOR_YELLOW, 0, sizeof(section));
03944    } else {
03945       term_color(section, "GENERAL SECTION", COLOR_YELLOW, 0, sizeof(section));
03946    }
03947 
03948    if (*def) {
03949       ast_cli(fd, "[%s] %s   (Default: %s)\n\t%s\n", section, name, def, desc);
03950    } else {
03951       ast_cli(fd, "[%s] %s\n\t%s\n", section, name, desc);
03952    }
03953 }
03954 
03955 static char *handle_cli_misdn_show_config(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
03956 {
03957    char buffer[BUFFERSIZE];
03958    enum misdn_cfg_elements elem;
03959    int linebreak;
03960    int onlyport = -1;
03961    int ok = 0;
03962 
03963    switch (cmd) {
03964    case CLI_INIT:
03965       e->command = "misdn show config";
03966       e->usage =
03967          "Usage: misdn show config [<port> | description <config element> | descriptions [general|ports]]\n"
03968          "       Use 0 for <port> to only print the general config.\n";
03969       return NULL;
03970    case CLI_GENERATE:
03971       return complete_show_config(a);
03972    }
03973 
03974    if (a->argc >= 4) {
03975       if (!strcmp(a->argv[3], "description")) {
03976          if (a->argc == 5) {
03977             enum misdn_cfg_elements elem = misdn_cfg_get_elem(a->argv[4]);
03978             if (elem == MISDN_CFG_FIRST) {
03979                ast_cli(a->fd, "Unknown element: %s\n", a->argv[4]);
03980             } else {
03981                show_config_description(a->fd, elem);
03982             }
03983             return CLI_SUCCESS;
03984          }
03985          return CLI_SHOWUSAGE;
03986       } else if (!strcmp(a->argv[3], "descriptions")) {
03987          if ((a->argc == 4) || ((a->argc == 5) && !strcmp(a->argv[4], "general"))) {
03988             for (elem = MISDN_GEN_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
03989                show_config_description(a->fd, elem);
03990                ast_cli(a->fd, "\n");
03991             }
03992             ok = 1;
03993          }
03994          if ((a->argc == 4) || ((a->argc == 5) && !strcmp(a->argv[4], "ports"))) {
03995             for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_CFG_LAST - 1 /* the ptp hack, remove the -1 when ptp is gone */; ++elem) {
03996                show_config_description(a->fd, elem);
03997                ast_cli(a->fd, "\n");
03998             }
03999             ok = 1;
04000          }
04001          return ok ? CLI_SUCCESS : CLI_SHOWUSAGE;
04002       } else if (!sscanf(a->argv[3], "%5d", &onlyport) || onlyport < 0) {
04003          ast_cli(a->fd, "Unknown option: %s\n", a->argv[3]);
04004          return CLI_SHOWUSAGE;
04005       }
04006    }
04007 
04008    if (a->argc == 3 || onlyport == 0) {
04009       ast_cli(a->fd, "mISDN General-Config:\n");
04010       for (elem = MISDN_GEN_FIRST + 1, linebreak = 1; elem < MISDN_GEN_LAST; elem++, linebreak++) {
04011          misdn_cfg_get_config_string(0, elem, buffer, sizeof(buffer));
04012          ast_cli(a->fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
04013       }
04014       ast_cli(a->fd, "\n");
04015    }
04016 
04017    if (onlyport < 0) {
04018       int port = misdn_cfg_get_next_port(0);
04019 
04020       for (; port > 0; port = misdn_cfg_get_next_port(port)) {
04021          ast_cli(a->fd, "\n[PORT %d]\n", port);
04022          for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
04023             misdn_cfg_get_config_string(port, elem, buffer, sizeof(buffer));
04024             ast_cli(a->fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
04025          }
04026          ast_cli(a->fd, "\n");
04027       }
04028    }
04029 
04030    if (onlyport > 0) {
04031       if (misdn_cfg_is_port_valid(onlyport)) {
04032          ast_cli(a->fd, "[PORT %d]\n", onlyport);
04033          for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
04034             misdn_cfg_get_config_string(onlyport, elem, buffer, sizeof(buffer));
04035             ast_cli(a->fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
04036          }
04037          ast_cli(a->fd, "\n");
04038       } else {
04039          ast_cli(a->fd, "Port %d is not active!\n", onlyport);
04040       }
04041    }
04042 
04043    return CLI_SUCCESS;
04044 }
04045 
04046 struct state_struct {
04047    enum misdn_chan_state state;
04048    char txt[255];
04049 };
04050 
04051 static const struct state_struct state_array[] = {
04052 /* *INDENT-OFF* */
04053    { MISDN_NOTHING,             "NOTHING" },             /* at beginning */
04054    { MISDN_WAITING4DIGS,        "WAITING4DIGS" },        /* when waiting for infos */
04055    { MISDN_EXTCANTMATCH,        "EXTCANTMATCH" },        /* when asterisk couldn't match our ext */
04056    { MISDN_INCOMING_SETUP,      "INCOMING SETUP" },      /* when pbx_start */
04057    { MISDN_DIALING,             "DIALING" },             /* when pbx_start */
04058    { MISDN_PROGRESS,            "PROGRESS" },            /* when pbx_start */
04059    { MISDN_PROCEEDING,          "PROCEEDING" },          /* when pbx_start */
04060    { MISDN_CALLING,             "CALLING" },             /* when misdn_call is called */
04061    { MISDN_CALLING_ACKNOWLEDGE, "CALLING_ACKNOWLEDGE" }, /* when misdn_call is called */
04062    { MISDN_ALERTING,            "ALERTING" },            /* when Alerting */
04063    { MISDN_BUSY,                "BUSY" },                /* when BUSY */
04064    { MISDN_CONNECTED,           "CONNECTED" },           /* when connected */
04065    { MISDN_DISCONNECTED,        "DISCONNECTED" },        /* when connected */
04066    { MISDN_CLEANING,            "CLEANING" },            /* when hangup from * but we were connected before */
04067 /* *INDENT-ON* */
04068 };
04069 
04070 static const char *misdn_get_ch_state(struct chan_list *p)
04071 {
04072    int i;
04073    static char state[8];
04074 
04075    if (!p) {
04076       return NULL;
04077    }
04078 
04079    for (i = 0; i < ARRAY_LEN(state_array); i++) {
04080       if (state_array[i].state == p->state) {
04081          return state_array[i].txt;
04082       }
04083    }
04084 
04085    snprintf(state, sizeof(state), "%d", p->state) ;
04086 
04087    return state;
04088 }
04089 
04090 
04091 static void reload_config(void)
04092 {
04093    int i, cfg_debug;
04094 
04095    if (!g_config_initialized) {
04096       ast_log(LOG_WARNING, "chan_misdn is not initialized properly, still reloading ?\n");
04097       return ;
04098    }
04099 
04100    free_robin_list();
04101    misdn_cfg_reload();
04102    misdn_cfg_update_ptp();
04103    misdn_cfg_get(0, MISDN_GEN_TRACEFILE, global_tracefile, sizeof(global_tracefile));
04104    misdn_cfg_get(0, MISDN_GEN_DEBUG, &cfg_debug, sizeof(cfg_debug));
04105 
04106    for (i = 0;  i <= max_ports; i++) {
04107       misdn_debug[i] = cfg_debug;
04108       misdn_debug_only[i] = 0;
04109    }
04110 }
04111 
04112 static char *handle_cli_misdn_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04113 {
04114    switch (cmd) {
04115    case CLI_INIT:
04116       e->command = "misdn reload";
04117       e->usage =
04118          "Usage: misdn reload\n"
04119          "       Reload internal mISDN config, read from the config\n"
04120          "       file.\n";
04121       return NULL;
04122    case CLI_GENERATE:
04123       return NULL;
04124    }
04125 
04126    if (a->argc != 2) {
04127       return CLI_SHOWUSAGE;
04128    }
04129 
04130    ast_cli(a->fd, "Reloading mISDN configuration\n");
04131    reload_config();
04132    return CLI_SUCCESS;
04133 }
04134 
04135 static void print_bc_info(int fd, struct chan_list *help, struct misdn_bchannel *bc)
04136 {
04137    struct ast_channel *ast = help->ast;
04138 
04139    ast_cli(fd,
04140       "* Pid:%d Port:%d Ch:%d Mode:%s Orig:%s dialed:%s\n"
04141       "  --> caller:\"%s\" <%s>\n"
04142       "  --> redirecting-from:\"%s\" <%s>\n"
04143       "  --> redirecting-to:\"%s\" <%s>\n"
04144       "  --> context:%s state:%s\n",
04145       bc->pid,
04146       bc->port,
04147       bc->channel,
04148       bc->nt ? "NT" : "TE",
04149       help->originator == ORG_AST ? "*" : "I",
04150       ast ? ast->exten : "",
04151       (ast && ast->caller.id.name.valid && ast->caller.id.name.str)
04152          ? ast->caller.id.name.str : "",
04153       (ast && ast->caller.id.number.valid && ast->caller.id.number.str)
04154          ? ast->caller.id.number.str : "",
04155       bc->redirecting.from.name,
04156       bc->redirecting.from.number,
04157       bc->redirecting.to.name,
04158       bc->redirecting.to.number,
04159       ast ? ast->context : "",
04160       misdn_get_ch_state(help));
04161    if (misdn_debug[bc->port] > 0) {
04162       ast_cli(fd,
04163          "  --> astname: %s\n"
04164          "  --> ch_l3id: %x\n"
04165          "  --> ch_addr: %x\n"
04166          "  --> bc_addr: %x\n"
04167          "  --> bc_l3id: %x\n"
04168          "  --> display: %s\n"
04169          "  --> activated: %d\n"
04170          "  --> state: %s\n"
04171          "  --> capability: %s\n"
04172 #ifdef MISDN_1_2
04173          "  --> pipeline: %s\n"
04174 #else
04175          "  --> echo_cancel: %d\n"
04176 #endif
04177          "  --> notone : rx %d tx:%d\n"
04178          "  --> bc_hold: %d\n",
04179          help->ast->name,
04180          help->l3id,
04181          help->addr,
04182          bc->addr,
04183          bc->l3_id,
04184          bc->display,
04185          bc->active,
04186          bc_state2str(bc->bc_state),
04187          bearer2str(bc->capability),
04188 #ifdef MISDN_1_2
04189          bc->pipeline,
04190 #else
04191          bc->ec_enable,
04192 #endif
04193          help->norxtone, help->notxtone,
04194          bc->holded);
04195    }
04196 }
04197 
04198 static char *handle_cli_misdn_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04199 {
04200    struct chan_list *help;
04201 
04202    switch (cmd) {
04203    case CLI_INIT:
04204       e->command = "misdn show channels";
04205       e->usage =
04206          "Usage: misdn show channels\n"
04207          "       Show the internal mISDN channel list\n";
04208       return NULL;
04209    case CLI_GENERATE:
04210       return NULL;
04211    }
04212 
04213    if (a->argc != 3) {
04214       return CLI_SHOWUSAGE;
04215    }
04216 
04217    ast_cli(a->fd, "Channel List: %p\n", cl_te);
04218 
04219    /*
04220     * Walking the list and dumping the channel information could
04221     * take awhile.  With the list locked for the duration, the
04222     * channel driver cannot process signaling messages.  However,
04223     * since this is a CLI command it should not be run very often.
04224     */
04225    ast_mutex_lock(&cl_te_lock);
04226    for (help = cl_te; help; help = help->next) {
04227       struct misdn_bchannel *bc = help->bc;
04228       struct ast_channel *ast = help->ast;
04229       if (!ast) {
04230          if (!bc) {
04231             ast_cli(a->fd, "chan_list obj. with l3id:%x has no bc and no ast Leg\n", help->l3id);
04232             continue;
04233          }
04234          ast_cli(a->fd, "bc with pid:%d has no Ast Leg\n", bc->pid);
04235          continue;
04236       }
04237 
04238       if (misdn_debug[0] > 2) {
04239          ast_cli(a->fd, "Bc:%p Ast:%p\n", bc, ast);
04240       }
04241       if (bc) {
04242          print_bc_info(a->fd, help, bc);
04243       } else {
04244          if (help->hold.state != MISDN_HOLD_IDLE) {
04245             ast_cli(a->fd, "ITS A HELD CALL BC:\n");
04246             ast_cli(a->fd, " --> l3_id: %x\n"
04247                " --> dialed:%s\n"
04248                " --> caller:\"%s\" <%s>\n"
04249                " --> hold_port: %d\n"
04250                " --> hold_channel: %d\n",
04251                help->l3id,
04252                ast->exten,
04253                S_COR(ast->caller.id.name.valid, ast->caller.id.name.str, ""),
04254                S_COR(ast->caller.id.number.valid, ast->caller.id.number.str, ""),
04255                help->hold.port,
04256                help->hold.channel
04257                );
04258          } else {
04259             ast_cli(a->fd, "* Channel in unknown STATE !!! Exten:%s, Callerid:%s\n",
04260                ast->exten,
04261                S_COR(ast->caller.id.number.valid, ast->caller.id.number.str, ""));
04262          }
04263       }
04264    }
04265    ast_mutex_unlock(&cl_te_lock);
04266 
04267    misdn_dump_chanlist();
04268 
04269    return CLI_SUCCESS;
04270 }
04271 
04272 static char *handle_cli_misdn_show_channel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04273 {
04274    struct chan_list *help;
04275 
04276    switch (cmd) {
04277    case CLI_INIT:
04278       e->command = "misdn show channel";
04279       e->usage =
04280          "Usage: misdn show channel <channel>\n"
04281          "       Show an internal mISDN channel\n.";
04282       return NULL;
04283    case CLI_GENERATE:
04284       return complete_ch(a);
04285    }
04286 
04287    if (a->argc != 4) {
04288       return CLI_SHOWUSAGE;
04289    }
04290 
04291    ast_mutex_lock(&cl_te_lock);
04292    for (help = cl_te; help; help = help->next) {
04293       struct misdn_bchannel *bc = help->bc;
04294       struct ast_channel *ast = help->ast;
04295 
04296       if (bc && ast) {
04297          if (!strcasecmp(ast->name, a->argv[3])) {
04298             print_bc_info(a->fd, help, bc);
04299             break;
04300          }
04301       }
04302    }
04303    ast_mutex_unlock(&cl_te_lock);
04304 
04305    return CLI_SUCCESS;
04306 }
04307 
04308 static char *handle_cli_misdn_set_tics(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04309 {
04310    switch (cmd) {
04311    case CLI_INIT:
04312       e->command = "misdn set tics";
04313       e->usage =
04314          "Usage: misdn set tics <value>\n";
04315       return NULL;
04316    case CLI_GENERATE:
04317       return NULL;
04318    }
04319 
04320    if (a->argc != 4) {
04321       return CLI_SHOWUSAGE;
04322    }
04323 
04324    /* XXX Wow, this does... a whole lot of nothing... XXX */
04325    MAXTICS = atoi(a->argv[3]);
04326 
04327    return CLI_SUCCESS;
04328 }
04329 
04330 static char *handle_cli_misdn_show_stacks(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04331 {
04332    int port;
04333 
04334    switch (cmd) {
04335    case CLI_INIT:
04336       e->command = "misdn show stacks";
04337       e->usage =
04338          "Usage: misdn show stacks\n"
04339          "       Show internal mISDN stack_list.\n";
04340       return NULL;
04341    case CLI_GENERATE:
04342       return NULL;
04343    }
04344 
04345    if (a->argc != 3) {
04346       return CLI_SHOWUSAGE;
04347    }
04348 
04349    ast_cli(a->fd, "BEGIN STACK_LIST:\n");
04350    for (port = misdn_cfg_get_next_port(0); port > 0;
04351       port = misdn_cfg_get_next_port(port)) {
04352       char buf[128];
04353 
04354       get_show_stack_details(port, buf);
04355       ast_cli(a->fd, "  %s  Debug:%d%s\n", buf, misdn_debug[port], misdn_debug_only[port] ? "(only)" : "");
04356    }
04357 
04358    return CLI_SUCCESS;
04359 }
04360 
04361 static char *handle_cli_misdn_show_ports_stats(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04362 {
04363    int port;
04364 
04365    switch (cmd) {
04366    case CLI_INIT:
04367       e->command = "misdn show ports stats";
04368       e->usage =
04369          "Usage: misdn show ports stats\n"
04370          "       Show mISDNs channel's call statistics per port.\n";
04371       return NULL;
04372    case CLI_GENERATE:
04373       return NULL;
04374    }
04375 
04376    if (a->argc != 4) {
04377       return CLI_SHOWUSAGE;
04378    }
04379 
04380    ast_cli(a->fd, "Port\tin_calls\tout_calls\n");
04381    for (port = misdn_cfg_get_next_port(0); port > 0;
04382       port = misdn_cfg_get_next_port(port)) {
04383       ast_cli(a->fd, "%d\t%d\t\t%d\n", port, misdn_in_calls[port], misdn_out_calls[port]);
04384    }
04385    ast_cli(a->fd, "\n");
04386 
04387    return CLI_SUCCESS;
04388 }
04389 
04390 static char *handle_cli_misdn_show_port(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
04391 {
04392    int port;
04393    char buf[128];
04394 
04395    switch (cmd) {
04396    case CLI_INIT:
04397       e->command = "misdn show port";
04398       e->usage =
04399          "Usage: misdn show port <port>\n"
04400          "       Show detailed information for given port.\n";
04401       return NULL;
04402    case CLI_GENERATE:
04403       return NULL;
04404    }
04405 
04406    if (a->argc != 4) {
04407       return CLI_SHOWUSAGE;
04408    }
04409 
04410    port = atoi(a->argv[3]);
04411 
04412    ast_cli(a->fd, "BEGIN STACK_LIST:\n");
04413    get_show_stack_details(port, buf);
04414    ast_cli(a->fd, "  %s  Debug:%d%s\n", buf, misdn_debug[port], misdn_debug_only[port] ? "(only)" : "");
04415 
04416    return CLI_SUCCESS;
04417 }
04418 
04419 #if defined(AST_MISDN_ENHANCEMENTS) && defined(CCBS_TEST_MESSAGES)
04420 static const struct FacParm Fac_Msgs[] = {
04421 /* *INDENT-OFF* */
04422    [0].Function = Fac_ERROR,
04423    [0].u.ERROR.invokeId = 8,
04424    [0].u.ERROR.errorValue = FacError_CCBS_AlreadyAccepted,
04425 
04426    [1].Function = Fac_RESULT,
04427    [1].u.RESULT.InvokeID = 9,
04428 
04429    [2].Function = Fac_REJECT,
04430    [2].u.REJECT.Code = FacReject_Gen_BadlyStructuredComponent,
04431 
04432    [3].Function = Fac_REJECT,
04433    [3].u.REJECT.InvokeIDPresent = 1,
04434    [3].u.REJECT.InvokeID = 10,
04435    [3].u.REJECT.Code = FacReject_Inv_InitiatorReleasing,
04436 
04437    [4].Function = Fac_REJECT,
04438    [4].u.REJECT.InvokeIDPresent = 1,
04439    [4].u.REJECT.InvokeID = 11,
04440    [4].u.REJECT.Code = FacReject_Res_MistypedResult,
04441 
04442    [5].Function = Fac_REJECT,
04443    [5].u.REJECT.InvokeIDPresent = 1,
04444    [5].u.REJECT.InvokeID = 12,
04445    [5].u.REJECT.Code = FacReject_Err_ErrorResponseUnexpected,
04446 
04447    [6].Function = Fac_StatusRequest,
04448    [6].u.StatusRequest.InvokeID = 13,
04449    [6].u.StatusRequest.ComponentType = FacComponent_Invoke,
04450    [6].u.StatusRequest.Component.Invoke.Q931ie.Bc.Length = 2,
04451    [6].u.StatusRequest.Component.Invoke.Q931ie.Bc.Contents = "AB",
04452    [6].u.StatusRequest.Component.Invoke.Q931ie.Llc.Length = 3,
04453    [6].u.StatusRequest.Component.Invoke.Q931ie.Llc.Contents = "CDE",
04454    [6].u.StatusRequest.Component.Invoke.Q931ie.Hlc.Length = 4,
04455    [6].u.StatusRequest.Component.Invoke.Q931ie.Hlc.Contents = "FGHI",
04456    [6].u.StatusRequest.Component.Invoke.CompatibilityMode = 1,
04457 
04458    [7].Function = Fac_StatusRequest,
04459    [7].u.StatusRequest.InvokeID = 14,
04460    [7].u.StatusRequest.ComponentType = FacComponent_Result,
04461    [7].u.StatusRequest.Component.Result.Status = 2,
04462 
04463    [8].Function = Fac_CallInfoRetain,
04464    [8].u.CallInfoRetain.InvokeID = 15,
04465    [8].u.CallInfoRetain.CallLinkageID = 115,
04466 
04467    [9].Function = Fac_EraseCallLinkageID,
04468    [9].u.EraseCallLinkageID.InvokeID = 16,
04469    [9].u.EraseCallLinkageID.CallLinkageID = 105,
04470 
04471    [10].Function = Fac_CCBSDeactivate,
04472    [10].u.CCBSDeactivate.InvokeID = 17,
04473    [10].u.CCBSDeactivate.ComponentType = FacComponent_Invoke,
04474    [10].u.CCBSDeactivate.Component.Invoke.CCBSReference = 2,
04475 
04476    [11].Function = Fac_CCBSDeactivate,
04477    [11].u.CCBSDeactivate.InvokeID = 18,
04478    [11].u.CCBSDeactivate.ComponentType = FacComponent_Result,
04479 
04480    [12].Function = Fac_CCBSErase,
04481    [12].u.CCBSErase.InvokeID = 19,
04482    [12].u.CCBSErase.Q931ie.Bc.Length = 2,
04483    [12].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04484    [12].u.CCBSErase.AddressOfB.Party.Type = 0,
04485    [12].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 5,
04486    [12].u.CCBSErase.AddressOfB.Party.Number = "33403",
04487    [12].u.CCBSErase.AddressOfB.Subaddress.Type = 0,
04488    [12].u.CCBSErase.AddressOfB.Subaddress.Length = 4,
04489    [12].u.CCBSErase.AddressOfB.Subaddress.u.UserSpecified.Information = "3748",
04490    [12].u.CCBSErase.RecallMode = 1,
04491    [12].u.CCBSErase.CCBSReference = 102,
04492    [12].u.CCBSErase.Reason = 3,
04493 
04494    [13].Function = Fac_CCBSErase,
04495    [13].u.CCBSErase.InvokeID = 20,
04496    [13].u.CCBSErase.Q931ie.Bc.Length = 2,
04497    [13].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04498    [13].u.CCBSErase.AddressOfB.Party.Type = 1,
04499    [13].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 11,
04500    [13].u.CCBSErase.AddressOfB.Party.TypeOfNumber = 1,
04501    [13].u.CCBSErase.AddressOfB.Party.Number = "18003020102",
04502    [13].u.CCBSErase.AddressOfB.Subaddress.Type = 0,
04503    [13].u.CCBSErase.AddressOfB.Subaddress.Length = 4,
04504    [13].u.CCBSErase.AddressOfB.Subaddress.u.UserSpecified.OddCountPresent = 1,
04505    [13].u.CCBSErase.AddressOfB.Subaddress.u.UserSpecified.OddCount = 1,
04506    [13].u.CCBSErase.AddressOfB.Subaddress.u.UserSpecified.Information = "3748",
04507    [13].u.CCBSErase.RecallMode = 1,
04508    [13].u.CCBSErase.CCBSReference = 102,
04509    [13].u.CCBSErase.Reason = 3,
04510 
04511    [14].Function = Fac_CCBSErase,
04512    [14].u.CCBSErase.InvokeID = 21,
04513    [14].u.CCBSErase.Q931ie.Bc.Length = 2,
04514    [14].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04515    [14].u.CCBSErase.AddressOfB.Party.Type = 2,
04516    [14].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 4,
04517    [14].u.CCBSErase.AddressOfB.Party.Number = "1803",
04518    [14].u.CCBSErase.AddressOfB.Subaddress.Type = 1,
04519    [14].u.CCBSErase.AddressOfB.Subaddress.Length = 4,
04520    [14].u.CCBSErase.AddressOfB.Subaddress.u.Nsap = "6492",
04521    [14].u.CCBSErase.RecallMode = 1,
04522    [14].u.CCBSErase.CCBSReference = 102,
04523    [14].u.CCBSErase.Reason = 3,
04524 
04525    [15].Function = Fac_CCBSErase,
04526    [15].u.CCBSErase.InvokeID = 22,
04527    [15].u.CCBSErase.Q931ie.Bc.Length = 2,
04528    [15].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04529    [15].u.CCBSErase.AddressOfB.Party.Type = 3,
04530    [15].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 4,
04531    [15].u.CCBSErase.AddressOfB.Party.Number = "1803",
04532    [15].u.CCBSErase.RecallMode = 1,
04533    [15].u.CCBSErase.CCBSReference = 102,
04534    [15].u.CCBSErase.Reason = 3,
04535 
04536    [16].Function = Fac_CCBSErase,
04537    [16].u.CCBSErase.InvokeID = 23,
04538    [16].u.CCBSErase.Q931ie.Bc.Length = 2,
04539    [16].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04540    [16].u.CCBSErase.AddressOfB.Party.Type = 4,
04541    [16].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 4,
04542    [16].u.CCBSErase.AddressOfB.Party.Number = "1803",
04543    [16].u.CCBSErase.RecallMode = 1,
04544    [16].u.CCBSErase.CCBSReference = 102,
04545    [16].u.CCBSErase.Reason = 3,
04546 
04547    [17].Function = Fac_CCBSErase,
04548    [17].u.CCBSErase.InvokeID = 24,
04549    [17].u.CCBSErase.Q931ie.Bc.Length = 2,
04550    [17].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04551    [17].u.CCBSErase.AddressOfB.Party.Type = 5,
04552    [17].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 11,
04553    [17].u.CCBSErase.AddressOfB.Party.TypeOfNumber = 4,
04554    [17].u.CCBSErase.AddressOfB.Party.Number = "18003020102",
04555    [17].u.CCBSErase.RecallMode = 1,
04556    [17].u.CCBSErase.CCBSReference = 102,
04557    [17].u.CCBSErase.Reason = 3,
04558 
04559    [18].Function = Fac_CCBSErase,
04560    [18].u.CCBSErase.InvokeID = 25,
04561    [18].u.CCBSErase.Q931ie.Bc.Length = 2,
04562    [18].u.CCBSErase.Q931ie.Bc.Contents = "JK",
04563    [18].u.CCBSErase.AddressOfB.Party.Type = 8,
04564    [18].u.CCBSErase.AddressOfB.Party.LengthOfNumber = 4,
04565    [18].u.CCBSErase.AddressOfB.Party.Number = "1803",
04566    [18].u.CCBSErase.RecallMode = 1,
04567    [18].u.CCBSErase.CCBSReference = 102,
04568    [18].u.CCBSErase.Reason = 3,
04569 
04570    [19].Function = Fac_CCBSRemoteUserFree,
04571    [19].u.CCBSRemoteUserFree.InvokeID = 26,
04572    [19].u.CCBSRemoteUserFree.Q931ie.Bc.Length = 2,
04573    [19].u.CCBSRemoteUserFree.Q931ie.Bc.Contents = "JK",
04574    [19].u.CCBSRemoteUserFree.AddressOfB.Party.Type = 8,
04575    [19].u.CCBSRemoteUserFree.AddressOfB.Party.LengthOfNumber = 4,
04576    [19].u.CCBSRemoteUserFree.AddressOfB.Party.Number = "1803",
04577    [19].u.CCBSRemoteUserFree.RecallMode = 1,
04578    [19].u.CCBSRemoteUserFree.CCBSReference = 102,
04579 
04580    [20].Function = Fac_CCBSCall,
04581    [20].u.CCBSCall.InvokeID = 27,
04582    [20].u.CCBSCall.CCBSReference = 115,
04583 
04584    [21].Function = Fac_CCBSStatusRequest,
04585    [21].u.CCBSStatusRequest.InvokeID = 28,
04586    [21].u.CCBSStatusRequest.ComponentType = FacComponent_Invoke,
04587    [21].u.CCBSStatusRequest.Component.Invoke.Q931ie.Bc.Length = 2,
04588    [21].u.CCBSStatusRequest.Component.Invoke.Q931ie.Bc.Contents = "JK",
04589    [21].u.CCBSStatusRequest.Component.Invoke.RecallMode = 1,
04590    [21].u.CCBSStatusRequest.Component.Invoke.CCBSReference = 102,
04591 
04592    [22].Function = Fac_CCBSStatusRequest,
04593    [22].u.CCBSStatusRequest.InvokeID = 29,
04594    [22].u.CCBSStatusRequest.ComponentType = FacComponent_Result,
04595    [22].u.CCBSStatusRequest.Component.Result.Free = 1,
04596 
04597    [23].Function = Fac_CCBSBFree,
04598    [23].u.CCBSBFree.InvokeID = 30,
04599    [23].u.CCBSBFree.Q931ie.Bc.Length = 2,
04600    [23].u.CCBSBFree.Q931ie.Bc.Contents = "JK",
04601    [23].u.CCBSBFree.AddressOfB.Party.Type = 8,
04602    [23].u.CCBSBFree.AddressOfB.Party.LengthOfNumber = 4,
04603    [23].u.CCBSBFree.AddressOfB.Party.Number = "1803",
04604    [23].u.CCBSBFree.RecallMode = 1,
04605    [23].u.CCBSBFree.CCBSReference = 14,
04606 
04607    [24].Function = Fac_CCBSStopAlerting,
04608    [24].u.CCBSStopAlerting.InvokeID = 31,
04609    [24].u.CCBSStopAlerting.CCBSReference = 37,
04610 
04611    [25].Function = Fac_CCBSRequest,
04612    [25].u.CCBSRequest.InvokeID = 32,
04613    [25].u.CCBSRequest.ComponentType = FacComponent_Invoke,
04614    [25].u.CCBSRequest.Component.Invoke.CallLinkageID = 57,
04615 
04616    [26].Function = Fac_CCBSRequest,
04617    [26].u.CCBSRequest.InvokeID = 33,
04618    [26].u.CCBSRequest.ComponentType = FacComponent_Result,
04619    [26].u.CCBSRequest.Component.Result.RecallMode = 1,
04620    [26].u.CCBSRequest.Component.Result.CCBSReference = 102,
04621 
04622    [27].Function = Fac_CCBSInterrogate,
04623    [27].u.CCBSInterrogate.InvokeID = 34,
04624    [27].u.CCBSInterrogate.ComponentType = FacComponent_Invoke,
04625    [27].u.CCBSInterrogate.Component.Invoke.AParty.Type = 8,
04626    [27].u.CCBSInterrogate.Component.Invoke.AParty.LengthOfNumber = 4,
04627    [27].u.CCBSInterrogate.Component.Invoke.AParty.Number = "1803",
04628    [27].u.CCBSInterrogate.Component.Invoke.CCBSReferencePresent = 1,
04629    [27].u.CCBSInterrogate.Component.Invoke.CCBSReference = 76,
04630 
04631    [28].Function = Fac_CCBSInterrogate,
04632    [28].u.CCBSInterrogate.InvokeID = 35,
04633    [28].u.CCBSInterrogate.ComponentType = FacComponent_Invoke,
04634    [28].u.CCBSInterrogate.Component.Invoke.AParty.Type = 8,
04635    [28].u.CCBSInterrogate.Component.Invoke.AParty.LengthOfNumber = 4,
04636    [28].u.CCBSInterrogate.Component.Invoke.AParty.Number = "1803",
04637 
04638    [29].Function = Fac_CCBSInterrogate,
04639    [29].u.CCBSInterrogate.InvokeID = 36,
04640    [29].u.CCBSInterrogate.ComponentType = FacComponent_Invoke,
04641    [29].u.CCBSInterrogate.Component.Invoke.CCBSReferencePresent = 1,
04642    [29].u.CCBSInterrogate.Component.Invoke.CCBSReference = 76,
04643 
04644    [30].Function = Fac_CCBSInterrogate,
04645    [30].u.CCBSInterrogate.InvokeID = 37,
04646    [30].u.CCBSInterrogate.ComponentType = FacComponent_Invoke,
04647 
04648    [31].Function = Fac_CCBSInterrogate,
04649    [31].u.CCBSInterrogate.InvokeID = 38,
04650    [31].u.CCBSInterrogate.ComponentType = FacComponent_Result,
04651    [31].u.CCBSInterrogate.Component.Result.RecallMode = 1,
04652 
04653    [32].Function = Fac_CCBSInterrogate,
04654    [32].u.CCBSInterrogate.InvokeID = 39,
04655    [32].u.CCBSInterrogate.ComponentType = FacComponent_Result,
04656    [32].u.CCBSInterrogate.Component.Result.RecallMode = 1,
04657    [32].u.CCBSInterrogate.Component.Result.NumRecords = 1,
04658    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].CCBSReference = 12,
04659    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].Q931ie.Bc.Length = 2,
04660    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].Q931ie.Bc.Contents = "JK",
04661    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.Type = 8,
04662    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.LengthOfNumber = 4,
04663    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.Number = "1803",
04664    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].SubaddressOfA.Type = 1,
04665    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].SubaddressOfA.Length = 4,
04666    [32].u.CCBSInterrogate.Component.Result.CallDetails[0].SubaddressOfA.u.Nsap = "6492",
04667 
04668    [33].Function = Fac_CCBSInterrogate,
04669    [33].u.CCBSInterrogate.InvokeID = 40,
04670    [33].u.CCBSInterrogate.ComponentType = FacComponent_Result,
04671    [33].u.CCBSInterrogate.Component.Result.RecallMode = 1,
04672    [33].u.CCBSInterrogate.Component.Result.NumRecords = 2,
04673    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].CCBSReference = 12,
04674    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].Q931ie.Bc.Length = 2,
04675    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].Q931ie.Bc.Contents = "JK",
04676    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.Type = 8,
04677    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.LengthOfNumber = 4,
04678    [33].u.CCBSInterrogate.Component.Result.CallDetails[0].AddressOfB.Party.Number = "1803",
04679    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].CCBSReference = 102,
04680    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].Q931ie.Bc.Length = 2,
04681    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].Q931ie.Bc.Contents = "LM",
04682    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Party.Type = 8,
04683    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Party.LengthOfNumber = 4,
04684    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Party.Number = "6229",
04685    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Subaddress.Type = 1,
04686    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Subaddress.Length = 4,
04687    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].AddressOfB.Subaddress.u.Nsap = "8592",
04688    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].SubaddressOfA.Type = 1,
04689    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].SubaddressOfA.Length = 4,
04690    [33].u.CCBSInterrogate.Component.Result.CallDetails[1].SubaddressOfA.u.Nsap = "6492",
04691 
04692    [34].Function = Fac_CCNRRequest,
04693    [34].u.CCNRRequest.InvokeID = 512,
04694    [34].u.CCNRRequest.ComponentType = FacComponent_Invoke,
04695    [34].u.CCNRRequest.Component.Invoke.CallLinkageID = 57,
04696 
04697    [35].Function = Fac_CCNRRequest,
04698    [35].u.CCNRRequest.InvokeID = 150,
04699    [35].u.CCNRRequest.ComponentType = FacComponent_Result,
04700    [35].u.CCNRRequest.Component.Result.RecallMode = 1,
04701    [35].u.CCNRRequest.Component.Result.CCBSReference = 102,
04702 
04703    [36].Function = Fac_CCNRInterrogate,
04704    [36].u.CCNRInterrogate.InvokeID = -129,
04705    [36].u.CCNRInterrogate.ComponentType = FacComponent_Invoke,
04706 
04707    [37].Function = Fac_CCNRInterrogate,
04708    [37].u.CCNRInterrogate.InvokeID = -3,
04709    [37].u.CCNRInterrogate.ComponentType = FacComponent_Result,
04710    [37].u.CCNRInterrogate.Component.Result.RecallMode = 1,
04711 
04712    [38].Function = Fac_CCBS_T_Call,
04713    [38].u.EctExecute.InvokeID = 41,
04714 
04715    [39].Function = Fac_CCBS_T_Suspend,
04716    [39].u.EctExecute.InvokeID = 42,
04717 
04718    [40].Function = Fac_CCBS_T_Resume,
04719    [40].u.EctExecute.InvokeID = 43,
04720 
04721    [41].Function = Fac_CCBS_T_RemoteUserFree,
04722    [41].u.EctExecute.InvokeID = 44,
04723 
04724    [42].Function = Fac_CCBS_T_Available,
04725    [42].u.EctExecute.InvokeID = 45,
04726 
04727    [43].Function = Fac_CCBS_T_Request,
04728    [43].u.CCBS_T_Request.InvokeID = 46,
04729    [43].u.CCBS_T_Request.ComponentType = FacComponent_Invoke,
04730    [43].u.CCBS_T_Request.Component.Invoke.Destination.Party.Type = 8,
04731    [43].u.CCBS_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04732    [43].u.CCBS_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04733    [43].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04734    [43].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04735    [43].u.CCBS_T_Request.Component.Invoke.RetentionSupported = 1,
04736    [43].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent = 1,
04737    [43].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicator = 1,
04738    [43].u.CCBS_T_Request.Component.Invoke.Originating.Party.Type = 8,
04739    [43].u.CCBS_T_Request.Component.Invoke.Originating.Party.LengthOfNumber = 4,
04740    [43].u.CCBS_T_Request.Component.Invoke.Originating.Party.Number = "9864",
04741 
04742    [44].Function = Fac_CCBS_T_Request,
04743    [44].u.CCBS_T_Request.InvokeID = 47,
04744    [44].u.CCBS_T_Request.ComponentType = FacComponent_Invoke,
04745    [44].u.CCBS_T_Request.Component.Invoke.Destination.Party.Type = 8,
04746    [44].u.CCBS_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04747    [44].u.CCBS_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04748    [44].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04749    [44].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04750    [44].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent = 1,
04751    [44].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicator = 1,
04752    [44].u.CCBS_T_Request.Component.Invoke.Originating.Party.Type = 8,
04753    [44].u.CCBS_T_Request.Component.Invoke.Originating.Party.LengthOfNumber = 4,
04754    [44].u.CCBS_T_Request.Component.Invoke.Originating.Party.Number = "9864",
04755 
04756    [45].Function = Fac_CCBS_T_Request,
04757    [45].u.CCBS_T_Request.InvokeID = 48,
04758    [45].u.CCBS_T_Request.ComponentType = FacComponent_Invoke,
04759    [45].u.CCBS_T_Request.Component.Invoke.Destination.Party.Type = 8,
04760    [45].u.CCBS_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04761    [45].u.CCBS_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04762    [45].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04763    [45].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04764    [45].u.CCBS_T_Request.Component.Invoke.Originating.Party.Type = 8,
04765    [45].u.CCBS_T_Request.Component.Invoke.Originating.Party.LengthOfNumber = 4,
04766    [45].u.CCBS_T_Request.Component.Invoke.Originating.Party.Number = "9864",
04767 
04768    [46].Function = Fac_CCBS_T_Request,
04769    [46].u.CCBS_T_Request.InvokeID = 49,
04770    [46].u.CCBS_T_Request.ComponentType = FacComponent_Invoke,
04771    [46].u.CCBS_T_Request.Component.Invoke.Destination.Party.Type = 8,
04772    [46].u.CCBS_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04773    [46].u.CCBS_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04774    [46].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04775    [46].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04776    [46].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent = 1,
04777    [46].u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicator = 1,
04778 
04779    [47].Function = Fac_CCBS_T_Request,
04780    [47].u.CCBS_T_Request.InvokeID = 50,
04781    [47].u.CCBS_T_Request.ComponentType = FacComponent_Invoke,
04782    [47].u.CCBS_T_Request.Component.Invoke.Destination.Party.Type = 8,
04783    [47].u.CCBS_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04784    [47].u.CCBS_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04785    [47].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04786    [47].u.CCBS_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04787 
04788    [48].Function = Fac_CCBS_T_Request,
04789    [48].u.CCBS_T_Request.InvokeID = 51,
04790    [48].u.CCBS_T_Request.ComponentType = FacComponent_Result,
04791    [48].u.CCBS_T_Request.Component.Result.RetentionSupported = 1,
04792 
04793    [49].Function = Fac_CCNR_T_Request,
04794    [49].u.CCNR_T_Request.InvokeID = 52,
04795    [49].u.CCNR_T_Request.ComponentType = FacComponent_Invoke,
04796    [49].u.CCNR_T_Request.Component.Invoke.Destination.Party.Type = 8,
04797    [49].u.CCNR_T_Request.Component.Invoke.Destination.Party.LengthOfNumber = 4,
04798    [49].u.CCNR_T_Request.Component.Invoke.Destination.Party.Number = "6229",
04799    [49].u.CCNR_T_Request.Component.Invoke.Q931ie.Bc.Length = 2,
04800    [49].u.CCNR_T_Request.Component.Invoke.Q931ie.Bc.Contents = "LM",
04801 
04802    [50].Function = Fac_CCNR_T_Request,
04803    [50].u.CCNR_T_Request.InvokeID = 53,
04804    [50].u.CCNR_T_Request.ComponentType = FacComponent_Result,
04805    [50].u.CCNR_T_Request.Component.Result.RetentionSupported = 1,
04806 
04807    [51].Function = Fac_EctExecute,
04808    [51].u.EctExecute.InvokeID = 54,
04809 
04810    [52].Function = Fac_ExplicitEctExecute,
04811    [52].u.ExplicitEctExecute.InvokeID = 55,
04812    [52].u.ExplicitEctExecute.LinkID = 23,
04813 
04814    [53].Function = Fac_RequestSubaddress,
04815    [53].u.RequestSubaddress.InvokeID = 56,
04816 
04817    [54].Function = Fac_SubaddressTransfer,
04818    [54].u.SubaddressTransfer.InvokeID = 57,
04819    [54].u.SubaddressTransfer.Subaddress.Type = 1,
04820    [54].u.SubaddressTransfer.Subaddress.Length = 4,
04821    [54].u.SubaddressTransfer.Subaddress.u.Nsap = "6492",
04822 
04823    [55].Function = Fac_EctLinkIdRequest,
04824    [55].u.EctLinkIdRequest.InvokeID = 58,
04825    [55].u.EctLinkIdRequest.ComponentType = FacComponent_Invoke,
04826 
04827    [56].Function = Fac_EctLinkIdRequest,
04828    [56].u.EctLinkIdRequest.InvokeID = 59,
04829    [56].u.EctLinkIdRequest.ComponentType = FacComponent_Result,
04830    [56].u.EctLinkIdRequest.Component.Result.LinkID = 76,
04831 
04832    [57].Function = Fac_EctInform,
04833    [57].u.EctInform.InvokeID = 60,
04834    [57].u.EctInform.Status = 1,
04835    [57].u.EctInform.RedirectionPresent = 1,
04836    [57].u.EctInform.Redirection.Type = 0,
04837    [57].u.EctInform.Redirection.Unscreened.Type = 8,
04838    [57].u.EctInform.Redirection.Unscreened.LengthOfNumber = 4,
04839    [57].u.EctInform.Redirection.Unscreened.Number = "6229",
04840 
04841    [58].Function = Fac_EctInform,
04842    [58].u.EctInform.InvokeID = 61,
04843    [58].u.EctInform.Status = 1,
04844    [58].u.EctInform.RedirectionPresent = 1,
04845    [58].u.EctInform.Redirection.Type = 1,
04846 
04847    [59].Function = Fac_EctInform,
04848    [59].u.EctInform.InvokeID = 62,
04849    [59].u.EctInform.Status = 1,
04850    [59].u.EctInform.RedirectionPresent = 1,
04851    [59].u.EctInform.Redirection.Type = 2,
04852 
04853    [60].Function = Fac_EctInform,
04854    [60].u.EctInform.InvokeID = 63,
04855    [60].u.EctInform.Status = 1,
04856    [60].u.EctInform.RedirectionPresent = 1,
04857    [60].u.EctInform.Redirection.Type = 3,
04858    [60].u.EctInform.Redirection.Unscreened.Type = 8,
04859    [60].u.EctInform.Redirection.Unscreened.LengthOfNumber = 4,
04860    [60].u.EctInform.Redirection.Unscreened.Number = "3340",
04861 
04862    [61].Function = Fac_EctInform,
04863    [61].u.EctInform.InvokeID = 64,
04864    [61].u.EctInform.Status = 1,
04865    [61].u.EctInform.RedirectionPresent = 0,
04866 
04867    [62].Function = Fac_EctLoopTest,
04868    [62].u.EctLoopTest.InvokeID = 65,
04869    [62].u.EctLoopTest.ComponentType = FacComponent_Invoke,
04870    [62].u.EctLoopTest.Component.Invoke.CallTransferID = 7,
04871 
04872    [63].Function = Fac_EctLoopTest,
04873    [63].u.EctLoopTest.InvokeID = 66,
04874    [63].u.EctLoopTest.ComponentType = FacComponent_Result,
04875    [63].u.EctLoopTest.Component.Result.LoopResult = 2,
04876 
04877    [64].Function = Fac_ActivationDiversion,
04878    [64].u.ActivationDiversion.InvokeID = 67,
04879    [64].u.ActivationDiversion.ComponentType = FacComponent_Invoke,
04880    [64].u.ActivationDiversion.Component.Invoke.Procedure = 2,
04881    [64].u.ActivationDiversion.Component.Invoke.BasicService = 3,
04882    [64].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Type = 4,
04883    [64].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.LengthOfNumber = 4,
04884    [64].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Number = "1803",
04885    [64].u.ActivationDiversion.Component.Invoke.ServedUser.Type = 4,
04886    [64].u.ActivationDiversion.Component.Invoke.ServedUser.LengthOfNumber = 4,
04887    [64].u.ActivationDiversion.Component.Invoke.ServedUser.Number = "5398",
04888 
04889    [65].Function = Fac_ActivationDiversion,
04890    [65].u.ActivationDiversion.InvokeID = 68,
04891    [65].u.ActivationDiversion.ComponentType = FacComponent_Invoke,
04892    [65].u.ActivationDiversion.Component.Invoke.Procedure = 1,
04893    [65].u.ActivationDiversion.Component.Invoke.BasicService = 5,
04894    [65].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Type = 4,
04895    [65].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.LengthOfNumber = 4,
04896    [65].u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Number = "1803",
04897 
04898    [66].Function = Fac_ActivationDiversion,
04899    [66].u.ActivationDiversion.InvokeID = 69,
04900    [66].u.ActivationDiversion.ComponentType = FacComponent_Result,
04901 
04902    [67].Function = Fac_DeactivationDiversion,
04903    [67].u.DeactivationDiversion.InvokeID = 70,
04904    [67].u.DeactivationDiversion.ComponentType = FacComponent_Invoke,
04905    [67].u.DeactivationDiversion.Component.Invoke.Procedure = 1,
04906    [67].u.DeactivationDiversion.Component.Invoke.BasicService = 5,
04907 
04908    [68].Function = Fac_DeactivationDiversion,
04909    [68].u.DeactivationDiversion.InvokeID = 71,
04910    [68].u.DeactivationDiversion.ComponentType = FacComponent_Result,
04911 
04912    [69].Function = Fac_ActivationStatusNotificationDiv,
04913    [69].u.ActivationStatusNotificationDiv.InvokeID = 72,
04914    [69].u.ActivationStatusNotificationDiv.Procedure = 1,
04915    [69].u.ActivationStatusNotificationDiv.BasicService = 5,
04916    [69].u.ActivationStatusNotificationDiv.ForwardedTo.Party.Type = 4,
04917    [69].u.ActivationStatusNotificationDiv.ForwardedTo.Party.LengthOfNumber = 4,
04918    [69].u.ActivationStatusNotificationDiv.ForwardedTo.Party.Number = "1803",
04919 
04920    [70].Function = Fac_DeactivationStatusNotificationDiv,
04921    [70].u.DeactivationStatusNotificationDiv.InvokeID = 73,
04922    [70].u.DeactivationStatusNotificationDiv.Procedure = 1,
04923    [70].u.DeactivationStatusNotificationDiv.BasicService = 5,
04924 
04925    [71].Function = Fac_InterrogationDiversion,
04926    [71].u.InterrogationDiversion.InvokeID = 74,
04927    [71].u.InterrogationDiversion.ComponentType = FacComponent_Invoke,
04928    [71].u.InterrogationDiversion.Component.Invoke.Procedure = 1,
04929    [71].u.InterrogationDiversion.Component.Invoke.BasicService = 5,
04930 
04931    [72].Function = Fac_InterrogationDiversion,
04932    [72].u.InterrogationDiversion.InvokeID = 75,
04933    [72].u.InterrogationDiversion.ComponentType = FacComponent_Invoke,
04934    [72].u.InterrogationDiversion.Component.Invoke.Procedure = 1,
04935 
04936    [73].Function = Fac_InterrogationDiversion,
04937    [73].u.InterrogationDiversion.InvokeID = 76,
04938    [73].u.InterrogationDiversion.ComponentType = FacComponent_Result,
04939    [73].u.InterrogationDiversion.Component.Result.NumRecords = 2,
04940    [73].u.InterrogationDiversion.Component.Result.List[0].Procedure = 2,
04941    [73].u.InterrogationDiversion.Component.Result.List[0].BasicService = 5,
04942    [73].u.InterrogationDiversion.Component.Result.List[0].ForwardedTo.Party.Type = 4,
04943    [73].u.InterrogationDiversion.Component.Result.List[0].ForwardedTo.Party.LengthOfNumber = 4,
04944    [73].u.InterrogationDiversion.Component.Result.List[0].ForwardedTo.Party.Number = "1803",
04945    [73].u.InterrogationDiversion.Component.Result.List[1].Procedure = 1,
04946    [73].u.InterrogationDiversion.Component.Result.List[1].BasicService = 3,
04947    [73].u.InterrogationDiversion.Component.Result.List[1].ForwardedTo.Party.Type = 4,
04948    [73].u.InterrogationDiversion.Component.Result.List[1].ForwardedTo.Party.LengthOfNumber = 4,
04949    [73].u.InterrogationDiversion.Component.Result.List[1].ForwardedTo.Party.Number = "1903",
04950    [73].u.InterrogationDiversion.Component.Result.List[1].ServedUser.Type = 4,
04951    [73].u.InterrogationDiversion.Component.Result.List[1].ServedUser.LengthOfNumber = 4,
04952    [73].u.InterrogationDiversion.Component.Result.List[1].ServedUser.Number = "5398",
04953 
04954    [74].Function = Fac_DiversionInformation,
04955    [74].u.DiversionInformation.InvokeID = 77,
04956    [74].u.DiversionInformation.DiversionReason = 3,
04957    [74].u.DiversionInformation.BasicService = 5,
04958    [74].u.DiversionInformation.ServedUserSubaddress.Type = 1,
04959    [74].u.DiversionInformation.ServedUserSubaddress.Length = 4,
04960    [74].u.DiversionInformation.ServedUserSubaddress.u.Nsap = "6492",
04961    [74].u.DiversionInformation.CallingAddressPresent = 1,
04962    [74].u.DiversionInformation.CallingAddress.Type = 0,
04963    [74].u.DiversionInformation.CallingAddress.Address.ScreeningIndicator = 3,
04964    [74].u.DiversionInformation.CallingAddress.Address.Party.Type = 4,
04965    [74].u.DiversionInformation.CallingAddress.Address.Party.LengthOfNumber = 4,
04966    [74].u.DiversionInformation.CallingAddress.Address.Party.Number = "1803",
04967    [74].u.DiversionInformation.OriginalCalledPresent = 1,
04968    [74].u.DiversionInformation.OriginalCalled.Type = 1,
04969    [74].u.DiversionInformation.LastDivertingPresent = 1,
04970    [74].u.DiversionInformation.LastDiverting.Type = 2,
04971    [74].u.DiversionInformation.LastDivertingReasonPresent = 1,
04972    [74].u.DiversionInformation.LastDivertingReason = 3,
04973    [74].u.DiversionInformation.UserInfo.Length = 5,
04974    [74].u.DiversionInformation.UserInfo.Contents = "79828",
04975 
04976    [75].Function = Fac_DiversionInformation,
04977    [75].u.DiversionInformation.InvokeID = 78,
04978    [75].u.DiversionInformation.DiversionReason = 3,
04979    [75].u.DiversionInformation.BasicService = 5,
04980    [75].u.DiversionInformation.CallingAddressPresent = 1,
04981    [75].u.DiversionInformation.CallingAddress.Type = 1,
04982    [75].u.DiversionInformation.OriginalCalledPresent = 1,
04983    [75].u.DiversionInformation.OriginalCalled.Type = 2,
04984    [75].u.DiversionInformation.LastDivertingPresent = 1,
04985    [75].u.DiversionInformation.LastDiverting.Type = 1,
04986 
04987    [76].Function = Fac_DiversionInformation,
04988    [76].u.DiversionInformation.InvokeID = 79,
04989    [76].u.DiversionInformation.DiversionReason = 2,
04990    [76].u.DiversionInformation.BasicService = 3,
04991    [76].u.DiversionInformation.CallingAddressPresent = 1,
04992    [76].u.DiversionInformation.CallingAddress.Type = 2,
04993 
04994    [77].Function = Fac_DiversionInformation,
04995    [77].u.DiversionInformation.InvokeID = 80,
04996    [77].u.DiversionInformation.DiversionReason = 3,
04997    [77].u.DiversionInformation.BasicService = 5,
04998    [77].u.DiversionInformation.CallingAddressPresent = 1,
04999    [77].u.DiversionInformation.CallingAddress.Type = 3,
05000    [77].u.DiversionInformation.CallingAddress.Address.ScreeningIndicator = 2,
05001    [77].u.DiversionInformation.CallingAddress.Address.Party.Type = 4,
05002    [77].u.DiversionInformation.CallingAddress.Address.Party.LengthOfNumber = 4,
05003    [77].u.DiversionInformation.CallingAddress.Address.Party.Number = "1803",
05004 
05005    [78].Function = Fac_DiversionInformation,
05006    [78].u.DiversionInformation.InvokeID = 81,
05007    [78].u.DiversionInformation.DiversionReason = 2,
05008    [78].u.DiversionInformation.BasicService = 4,
05009    [78].u.DiversionInformation.UserInfo.Length = 5,
05010    [78].u.DiversionInformation.UserInfo.Contents = "79828",
05011 
05012    [79].Function = Fac_DiversionInformation,
05013    [79].u.DiversionInformation.InvokeID = 82,
05014    [79].u.DiversionInformation.DiversionReason = 2,
05015    [79].u.DiversionInformation.BasicService = 4,
05016 
05017    [80].Function = Fac_CallDeflection,
05018    [80].u.CallDeflection.InvokeID = 83,
05019    [80].u.CallDeflection.ComponentType = FacComponent_Invoke,
05020    [80].u.CallDeflection.Component.Invoke.Deflection.Party.Type = 4,
05021    [80].u.CallDeflection.Component.Invoke.Deflection.Party.LengthOfNumber = 4,
05022    [80].u.CallDeflection.Component.Invoke.Deflection.Party.Number = "1803",
05023    [80].u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent = 1,
05024    [80].u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser = 1,
05025 
05026    [81].Function = Fac_CallDeflection,
05027    [81].u.CallDeflection.InvokeID = 84,
05028    [81].u.CallDeflection.ComponentType = FacComponent_Invoke,
05029    [81].u.CallDeflection.Component.Invoke.Deflection.Party.Type = 4,
05030    [81].u.CallDeflection.Component.Invoke.Deflection.Party.LengthOfNumber = 4,
05031    [81].u.CallDeflection.Component.Invoke.Deflection.Party.Number = "1803",
05032    [81].u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent = 1,
05033    [81].u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser = 0,
05034 
05035    [82].Function = Fac_CallDeflection,
05036    [82].u.CallDeflection.InvokeID = 85,
05037    [82].u.CallDeflection.ComponentType = FacComponent_Invoke,
05038    [82].u.CallDeflection.Component.Invoke.Deflection.Party.Type = 4,
05039    [82].u.CallDeflection.Component.Invoke.Deflection.Party.LengthOfNumber = 4,
05040    [82].u.CallDeflection.Component.Invoke.Deflection.Party.Number = "1803",
05041 
05042    [83].Function = Fac_CallDeflection,
05043    [83].u.CallDeflection.InvokeID = 86,
05044    [83].u.CallDeflection.ComponentType = FacComponent_Result,
05045 
05046    [84].Function = Fac_CallRerouteing,
05047    [84].u.CallRerouteing.InvokeID = 87,
05048    [84].u.CallRerouteing.ComponentType = FacComponent_Invoke,
05049    [84].u.CallRerouteing.Component.Invoke.ReroutingReason = 3,
05050    [84].u.CallRerouteing.Component.Invoke.ReroutingCounter = 2,
05051    [84].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Type = 4,
05052    [84].u.CallRerouteing.Component.Invoke.CalledAddress.Party.LengthOfNumber = 4,
05053    [84].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number = "1803",
05054    [84].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Length = 2,
05055    [84].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents = "RT",
05056    [84].u.CallRerouteing.Component.Invoke.Q931ie.Hlc.Length = 3,
05057    [84].u.CallRerouteing.Component.Invoke.Q931ie.Hlc.Contents = "RTG",
05058    [84].u.CallRerouteing.Component.Invoke.Q931ie.Llc.Length = 2,
05059    [84].u.CallRerouteing.Component.Invoke.Q931ie.Llc.Contents = "MY",
05060    [84].u.CallRerouteing.Component.Invoke.Q931ie.UserInfo.Length = 5,
05061    [84].u.CallRerouteing.Component.Invoke.Q931ie.UserInfo.Contents = "YEHAW",
05062    [84].u.CallRerouteing.Component.Invoke.LastRerouting.Type = 1,
05063    [84].u.CallRerouteing.Component.Invoke.SubscriptionOption = 2,
05064    [84].u.CallRerouteing.Component.Invoke.CallingPartySubaddress.Type = 1,
05065    [84].u.CallRerouteing.Component.Invoke.CallingPartySubaddress.Length = 4,
05066    [84].u.CallRerouteing.Component.Invoke.CallingPartySubaddress.u.Nsap = "6492",
05067 
05068    [85].Function = Fac_CallRerouteing,
05069    [85].u.CallRerouteing.InvokeID = 88,
05070    [85].u.CallRerouteing.ComponentType = FacComponent_Invoke,
05071    [85].u.CallRerouteing.Component.Invoke.ReroutingReason = 3,
05072    [85].u.CallRerouteing.Component.Invoke.ReroutingCounter = 2,
05073    [85].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Type = 4,
05074    [85].u.CallRerouteing.Component.Invoke.CalledAddress.Party.LengthOfNumber = 4,
05075    [85].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number = "1803",
05076    [85].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Length = 2,
05077    [85].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents = "RT",
05078    [85].u.CallRerouteing.Component.Invoke.LastRerouting.Type = 1,
05079    [85].u.CallRerouteing.Component.Invoke.SubscriptionOption = 2,
05080 
05081    [86].Function = Fac_CallRerouteing,
05082    [86].u.CallRerouteing.InvokeID = 89,
05083    [86].u.CallRerouteing.ComponentType = FacComponent_Invoke,
05084    [86].u.CallRerouteing.Component.Invoke.ReroutingReason = 3,
05085    [86].u.CallRerouteing.Component.Invoke.ReroutingCounter = 2,
05086    [86].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Type = 4,
05087    [86].u.CallRerouteing.Component.Invoke.CalledAddress.Party.LengthOfNumber = 4,
05088    [86].u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number = "1803",
05089    [86].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Length = 2,
05090    [86].u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents = "RT",
05091    [86].u.CallRerouteing.Component.Invoke.LastRerouting.Type = 2,
05092 
05093    [87].Function = Fac_CallRerouteing,
05094    [87].u.CallRerouteing.InvokeID = 90,
05095    [87].u.CallRerouteing.ComponentType = FacComponent_Result,
05096 
05097    [88].Function = Fac_InterrogateServedUserNumbers,
05098    [88].u.InterrogateServedUserNumbers.InvokeID = 91,
05099    [88].u.InterrogateServedUserNumbers.ComponentType = FacComponent_Invoke,
05100 
05101    [89].Function = Fac_InterrogateServedUserNumbers,
05102    [89].u.InterrogateServedUserNumbers.InvokeID = 92,
05103    [89].u.InterrogateServedUserNumbers.ComponentType = FacComponent_Result,
05104    [89].u.InterrogateServedUserNumbers.Component.Result.NumRecords = 2,
05105    [89].u.InterrogateServedUserNumbers.Component.Result.List[0].Type = 4,
05106    [89].u.InterrogateServedUserNumbers.Component.Result.List[0].LengthOfNumber = 4,
05107    [89].u.InterrogateServedUserNumbers.Component.Result.List[0].Number = "1803",
05108    [89].u.InterrogateServedUserNumbers.Component.Result.List[1].Type = 4,
05109    [89].u.InterrogateServedUserNumbers.Component.Result.List[1].LengthOfNumber = 4,
05110    [89].u.InterrogateServedUserNumbers.Component.Result.List[1].Number = "5786",
05111 
05112    [90].Function = Fac_DivertingLegInformation1,
05113    [90].u.DivertingLegInformation1.InvokeID = 93,
05114    [90].u.DivertingLegInformation1.DiversionReason = 4,
05115    [90].u.DivertingLegInformation1.SubscriptionOption = 1,
05116    [90].u.DivertingLegInformation1.DivertedToPresent = 1,
05117    [90].u.DivertingLegInformation1.DivertedTo.Type = 2,
05118 
05119    [91].Function = Fac_DivertingLegInformation1,
05120    [91].u.DivertingLegInformation1.InvokeID = 94,
05121    [91].u.DivertingLegInformation1.DiversionReason = 4,
05122    [91].u.DivertingLegInformation1.SubscriptionOption = 1,
05123 
05124    [92].Function = Fac_DivertingLegInformation2,
05125    [92].u.DivertingLegInformation2.InvokeID = 95,
05126    [92].u.DivertingLegInformation2.DiversionCounter = 3,
05127    [92].u.DivertingLegInformation2.DiversionReason = 2,
05128    [92].u.DivertingLegInformation2.DivertingPresent = 1,
05129    [92].u.DivertingLegInformation2.Diverting.Type = 2,
05130    [92].u.DivertingLegInformation2.OriginalCalledPresent = 1,
05131    [92].u.DivertingLegInformation2.OriginalCalled.Type = 1,
05132 
05133    [93].Function = Fac_DivertingLegInformation2,
05134    [93].u.DivertingLegInformation2.InvokeID = 96,
05135    [93].u.DivertingLegInformation2.DiversionCounter = 3,
05136    [93].u.DivertingLegInformation2.DiversionReason = 2,
05137    [93].u.DivertingLegInformation2.OriginalCalledPresent = 1,
05138    [93].u.DivertingLegInformation2.OriginalCalled.Type = 1,
05139 
05140    [94].Function = Fac_DivertingLegInformation2,
05141    [94].u.DivertingLegInformation2.InvokeID = 97,
05142    [94].u.DivertingLegInformation2.DiversionCounter = 1,
05143    [94].u.DivertingLegInformation2.DiversionReason = 2,
05144 
05145    [95].Function = Fac_DivertingLegInformation3,
05146    [95].u.DivertingLegInformation3.InvokeID = 98,
05147    [95].u.DivertingLegInformation3.PresentationAllowedIndicator = 1,
05148 /* *INDENT-ON* */
05149 };
05150 #endif   /* defined(AST_MISDN_ENHANCEMENTS) && defined(CCBS_TEST_MESSAGES) */
05151 
05152 static char *handle_cli_misdn_send_facility(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
05153 {
05154    const char *channame;
05155    const char *nr;
05156    struct chan_list *tmp;
05157    int port;
05158    const char *served_nr;
05159    struct misdn_bchannel dummy, *bc=&dummy;
05160    unsigned max_len;
05161 
05162    switch (cmd) {
05163    case CLI_INIT:
05164       e->command = "misdn send facility";
05165       e->usage = "Usage: misdn send facility <type> <channel|port> \"<args>\" \n"
05166       "\t type is one of:\n"
05167       "\t - calldeflect\n"
05168 #if defined(AST_MISDN_ENHANCEMENTS)
05169       "\t - callrerouting\n"
05170 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
05171       "\t - CFActivate\n"
05172       "\t - CFDeactivate\n";
05173 
05174       return NULL;
05175    case CLI_GENERATE:
05176       return complete_ch(a);
05177    }
05178 
05179    if (a->argc < 5) {
05180       return CLI_SHOWUSAGE;
05181    }
05182 
05183    if (strstr(a->argv[3], "calldeflect")) {
05184       if (a->argc < 6) {
05185          ast_verbose("calldeflect requires 1 arg: ToNumber\n\n");
05186          return 0;
05187       }
05188       channame = a->argv[4];
05189       nr = a->argv[5];
05190 
05191       ast_verbose("Sending Calldeflection (%s) to %s\n", nr, channame);
05192       tmp = get_chan_by_ast_name(channame);
05193       if (!tmp) {
05194          ast_verbose("Sending CD with nr %s to %s failed: Channel does not exist.\n", nr, channame);
05195          return 0;
05196       }
05197       ao2_lock(tmp);
05198 
05199 #if defined(AST_MISDN_ENHANCEMENTS)
05200       max_len = sizeof(tmp->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Number) - 1;
05201       if (max_len < strlen(nr)) {
05202          ast_verbose("Sending CD with nr %s to %s failed: Number too long (up to %u digits are allowed).\n",
05203             nr, channame, max_len);
05204          ao2_unlock(tmp);
05205          chan_list_unref(tmp, "Number too long");
05206          return 0;
05207       }
05208       tmp->bc->fac_out.Function = Fac_CallDeflection;
05209       tmp->bc->fac_out.u.CallDeflection.InvokeID = ++misdn_invoke_id;
05210       tmp->bc->fac_out.u.CallDeflection.ComponentType = FacComponent_Invoke;
05211       tmp->bc->fac_out.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent = 1;
05212       tmp->bc->fac_out.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser = 0;
05213       tmp->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Type = 0;/* unknown */
05214       tmp->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.LengthOfNumber = strlen(nr);
05215       strcpy((char *) tmp->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Number, nr);
05216       tmp->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Subaddress.Length = 0;
05217 
05218 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
05219 
05220       max_len = sizeof(tmp->bc->fac_out.u.CDeflection.DeflectedToNumber) - 1;
05221       if (max_len < strlen(nr)) {
05222          ast_verbose("Sending CD with nr %s to %s failed: Number too long (up to %u digits are allowed).\n",
05223             nr, channame, max_len);
05224          ao2_unlock(tmp);
05225          chan_list_unref(tmp, "Number too long");
05226          return 0;
05227       }
05228       tmp->bc->fac_out.Function = Fac_CD;
05229       tmp->bc->fac_out.u.CDeflection.PresentationAllowed = 0;
05230       //tmp->bc->fac_out.u.CDeflection.DeflectedToSubaddress[0] = 0;
05231       strcpy((char *) tmp->bc->fac_out.u.CDeflection.DeflectedToNumber, nr);
05232 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
05233 
05234       /* Send message */
05235       print_facility(&tmp->bc->fac_out, tmp->bc);
05236       ao2_unlock(tmp);
05237       misdn_lib_send_event(tmp->bc, EVENT_FACILITY);
05238       chan_list_unref(tmp, "Send facility complete");
05239 #if defined(AST_MISDN_ENHANCEMENTS)
05240    } else if (strstr(a->argv[3], "callrerouteing") || strstr(a->argv[3], "callrerouting")) {
05241       if (a->argc < 6) {
05242          ast_verbose("callrerouting requires 1 arg: ToNumber\n\n");
05243          return 0;
05244       }
05245       channame = a->argv[4];
05246       nr = a->argv[5];
05247 
05248       ast_verbose("Sending Callrerouting (%s) to %s\n", nr, channame);
05249       tmp = get_chan_by_ast_name(channame);
05250       if (!tmp) {
05251          ast_verbose("Sending Call Rerouting with nr %s to %s failed: Channel does not exist.\n", nr, channame);
05252          return 0;
05253       }
05254       ao2_lock(tmp);
05255 
05256       max_len = sizeof(tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number) - 1;
05257       if (max_len < strlen(nr)) {
05258          ast_verbose("Sending Call Rerouting with nr %s to %s failed: Number too long (up to %u digits are allowed).\n",
05259             nr, channame, max_len);
05260          ao2_unlock(tmp);
05261          chan_list_unref(tmp, "Number too long");
05262          return 0;
05263       }
05264       tmp->bc->fac_out.Function = Fac_CallRerouteing;
05265       tmp->bc->fac_out.u.CallRerouteing.InvokeID = ++misdn_invoke_id;
05266       tmp->bc->fac_out.u.CallRerouteing.ComponentType = FacComponent_Invoke;
05267 
05268       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.ReroutingReason = 0;/* unknown */
05269       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.ReroutingCounter = 1;
05270 
05271       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Type = 0;/* unknown */
05272       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.LengthOfNumber = strlen(nr);
05273       strcpy((char *) tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number, nr);
05274       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Subaddress.Length = 0;
05275 
05276       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.CallingPartySubaddress.Length = 0;
05277 
05278       /* 0x90 0x90 0xa3 3.1 kHz audio, circuit mode, 64kbit/sec, level1/a-Law */
05279       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Length = 3;
05280       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[0] = 0x90;
05281       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[1] = 0x90;
05282       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[2] = 0xa3;
05283       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Hlc.Length = 0;
05284       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Llc.Length = 0;
05285       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.UserInfo.Length = 0;
05286 
05287       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.LastRerouting.Type = 1;/* presentationRestricted */
05288       tmp->bc->fac_out.u.CallRerouteing.Component.Invoke.SubscriptionOption = 0;/* no notification to caller */
05289 
05290       /* Send message */
05291       print_facility(&tmp->bc->fac_out, tmp->bc);
05292       ao2_unlock(tmp);
05293       misdn_lib_send_event(tmp->bc, EVENT_FACILITY);
05294       chan_list_unref(tmp, "Send facility complete");
05295 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
05296    } else if (strstr(a->argv[3], "CFActivate")) {
05297       if (a->argc < 7) {
05298          ast_verbose("CFActivate requires 2 args: 1.FromNumber, 2.ToNumber\n\n");
05299          return 0;
05300       }
05301       port = atoi(a->argv[4]);
05302       served_nr = a->argv[5];
05303       nr = a->argv[6];
05304 
05305       misdn_make_dummy(bc, port, 0, misdn_lib_port_is_nt(port), 0);
05306 
05307       ast_verbose("Sending CFActivate  Port:(%d) FromNr. (%s) to Nr. (%s)\n", port, served_nr, nr);
05308 
05309 #if defined(AST_MISDN_ENHANCEMENTS)
05310       bc->fac_out.Function = Fac_ActivationDiversion;
05311       bc->fac_out.u.ActivationDiversion.InvokeID = ++misdn_invoke_id;
05312       bc->fac_out.u.ActivationDiversion.ComponentType = FacComponent_Invoke;
05313       bc->fac_out.u.ActivationDiversion.Component.Invoke.BasicService = 0;/* allServices */
05314       bc->fac_out.u.ActivationDiversion.Component.Invoke.Procedure = 0;/* cfu (Call Forward Unconditional) */
05315       ast_copy_string((char *) bc->fac_out.u.ActivationDiversion.Component.Invoke.ServedUser.Number,
05316          served_nr, sizeof(bc->fac_out.u.ActivationDiversion.Component.Invoke.ServedUser.Number));
05317       bc->fac_out.u.ActivationDiversion.Component.Invoke.ServedUser.LengthOfNumber =
05318          strlen((char *) bc->fac_out.u.ActivationDiversion.Component.Invoke.ServedUser.Number);
05319       bc->fac_out.u.ActivationDiversion.Component.Invoke.ServedUser.Type = 0;/* unknown */
05320       ast_copy_string((char *) bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Number,
05321          nr, sizeof(bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Number));
05322       bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.LengthOfNumber =
05323          strlen((char *) bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Number);
05324       bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Party.Type = 0;/* unknown */
05325       bc->fac_out.u.ActivationDiversion.Component.Invoke.ForwardedTo.Subaddress.Length = 0;
05326 
05327 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
05328 
05329       bc->fac_out.Function = Fac_CFActivate;
05330       bc->fac_out.u.CFActivate.BasicService = 0; /* All Services */
05331       bc->fac_out.u.CFActivate.Procedure = 0; /* Unconditional */
05332       ast_copy_string((char *) bc->fac_out.u.CFActivate.ServedUserNumber, served_nr, sizeof(bc->fac_out.u.CFActivate.ServedUserNumber));
05333       ast_copy_string((char *) bc->fac_out.u.CFActivate.ForwardedToNumber, nr, sizeof(bc->fac_out.u.CFActivate.ForwardedToNumber));
05334 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
05335 
05336       /* Send message */
05337       print_facility(&bc->fac_out, bc);
05338       misdn_lib_send_event(bc, EVENT_FACILITY);
05339    } else if (strstr(a->argv[3], "CFDeactivate")) {
05340       if (a->argc < 6) {
05341          ast_verbose("CFDeactivate requires 1 arg: FromNumber\n\n");
05342          return 0;
05343       }
05344       port = atoi(a->argv[4]);
05345       served_nr = a->argv[5];
05346 
05347       misdn_make_dummy(bc, port, 0, misdn_lib_port_is_nt(port), 0);
05348       ast_verbose("Sending CFDeactivate  Port:(%d) FromNr. (%s)\n", port, served_nr);
05349 
05350 #if defined(AST_MISDN_ENHANCEMENTS)
05351       bc->fac_out.Function = Fac_DeactivationDiversion;
05352       bc->fac_out.u.DeactivationDiversion.InvokeID = ++misdn_invoke_id;
05353       bc->fac_out.u.DeactivationDiversion.ComponentType = FacComponent_Invoke;
05354       bc->fac_out.u.DeactivationDiversion.Component.Invoke.BasicService = 0;/* allServices */
05355       bc->fac_out.u.DeactivationDiversion.Component.Invoke.Procedure = 0;/* cfu (Call Forward Unconditional) */
05356       ast_copy_string((char *) bc->fac_out.u.DeactivationDiversion.Component.Invoke.ServedUser.Number,
05357          served_nr, sizeof(bc->fac_out.u.DeactivationDiversion.Component.Invoke.ServedUser.Number));
05358       bc->fac_out.u.DeactivationDiversion.Component.Invoke.ServedUser.LengthOfNumber =
05359          strlen((char *) bc->fac_out.u.DeactivationDiversion.Component.Invoke.ServedUser.Number);
05360       bc->fac_out.u.DeactivationDiversion.Component.Invoke.ServedUser.Type = 0;/* unknown */
05361 
05362 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
05363 
05364       bc->fac_out.Function = Fac_CFDeactivate;
05365       bc->fac_out.u.CFDeactivate.BasicService = 0; /* All Services */
05366       bc->fac_out.u.CFDeactivate.Procedure = 0; /* Unconditional */
05367       ast_copy_string((char *) bc->fac_out.u.CFActivate.ServedUserNumber, served_nr, sizeof(bc->fac_out.u.CFActivate.ServedUserNumber));
05368 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
05369 
05370       /* Send message */
05371       print_facility(&bc->fac_out, bc);
05372       misdn_lib_send_event(bc, EVENT_FACILITY);
05373 #if defined(AST_MISDN_ENHANCEMENTS) && defined(CCBS_TEST_MESSAGES)
05374    } else if (strstr(a->argv[3], "test")) {
05375       int msg_number;
05376 
05377       if (a->argc < 5) {
05378          ast_verbose("test (<port> [<msg#>]) | (<channel-name> <msg#>)\n\n");
05379          return 0;
05380       }
05381       port = atoi(a->argv[4]);
05382 
05383       channame = a->argv[4];
05384       tmp = get_chan_by_ast_name(channame);
05385       if (tmp) {
05386          /* We are going to send this FACILITY message out on an existing connection */
05387          msg_number = atoi(a->argv[5]);
05388          if (msg_number < ARRAY_LEN(Fac_Msgs)) {
05389             ao2_lock(tmp);
05390             tmp->bc->fac_out = Fac_Msgs[msg_number];
05391 
05392             /* Send message */
05393             print_facility(&tmp->bc->fac_out, tmp->bc);
05394             ao2_unlock(tmp);
05395             misdn_lib_send_event(tmp->bc, EVENT_FACILITY);
05396          } else {
05397             ast_verbose("test <channel-name> <msg#>\n\n");
05398          }
05399          chan_list_unref(tmp, "Facility test done");
05400       } else if (a->argc < 6) {
05401          for (msg_number = 0; msg_number < ARRAY_LEN(Fac_Msgs); ++msg_number) {
05402             misdn_make_dummy(bc, port, 0, misdn_lib_port_is_nt(port), 0);
05403             bc->fac_out = Fac_Msgs[msg_number];
05404 
05405             /* Send message */
05406             print_facility(&bc->fac_out, bc);
05407             misdn_lib_send_event(bc, EVENT_FACILITY);
05408             sleep(1);
05409          }
05410       } else {
05411          msg_number = atoi(a->argv[5]);
05412          if (msg_number < ARRAY_LEN(Fac_Msgs)) {
05413             misdn_make_dummy(bc, port, 0, misdn_lib_port_is_nt(port), 0);
05414             bc->fac_out = Fac_Msgs[msg_number];
05415 
05416             /* Send message */
05417             print_facility(&bc->fac_out, bc);
05418             misdn_lib_send_event(bc, EVENT_FACILITY);
05419          } else {
05420             ast_verbose("test <port> [<msg#>]\n\n");
05421          }
05422       }
05423    } else if (strstr(a->argv[3], "register")) {
05424       if (a->argc < 5) {
05425          ast_verbose("register <port>\n\n");
05426          return 0;
05427       }
05428       port = atoi(a->argv[4]);
05429 
05430       bc = misdn_lib_get_register_bc(port);
05431       if (!bc) {
05432          ast_verbose("Could not allocate REGISTER bc struct\n\n");
05433          return 0;
05434       }
05435       bc->fac_out = Fac_Msgs[45];
05436 
05437       /* Send message */
05438       print_facility(&bc->fac_out, bc);
05439       misdn_lib_send_event(bc, EVENT_REGISTER);
05440 #endif   /* defined(AST_MISDN_ENHANCEMENTS) && defined(CCBS_TEST_MESSAGES) */
05441    }
05442 
05443    return CLI_SUCCESS;
05444 }
05445 
05446 static char *handle_cli_misdn_send_restart(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
05447 {
05448    int port;
05449    int channel;
05450 
05451    switch (cmd) {
05452    case CLI_INIT:
05453       e->command = "misdn send restart";
05454       e->usage =
05455          "Usage: misdn send restart [port [channel]]\n"
05456          "       Send a restart for every bchannel on the given port.\n";
05457       return NULL;
05458    case CLI_GENERATE:
05459       return NULL;
05460    }
05461 
05462    if (a->argc < 4 || a->argc > 5) {
05463       return CLI_SHOWUSAGE;
05464    }
05465 
05466    port = atoi(a->argv[3]);
05467 
05468    if (a->argc == 5) {
05469       channel = atoi(a->argv[4]);
05470       misdn_lib_send_restart(port, channel);
05471    } else {
05472       misdn_lib_send_restart(port, -1);
05473    }
05474 
05475    return CLI_SUCCESS;
05476 }
05477 
05478 static char *handle_cli_misdn_send_digit(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
05479 {
05480    const char *channame;
05481    const char *msg;
05482    struct chan_list *tmp;
05483    int i, msglen;
05484 
05485    switch (cmd) {
05486    case CLI_INIT:
05487       e->command = "misdn send digit";
05488       e->usage =
05489          "Usage: misdn send digit <channel> \"<msg>\" \n"
05490          "       Send <digit> to <channel> as DTMF Tone\n"
05491          "       when channel is a mISDN channel\n";
05492       return NULL;
05493    case CLI_GENERATE:
05494       return complete_ch(a);
05495    }
05496 
05497    if (a->argc != 5) {
05498       return CLI_SHOWUSAGE;
05499    }
05500 
05501    channame = a->argv[3];
05502    msg = a->argv[4];
05503    msglen = strlen(msg);
05504 
05505    ast_cli(a->fd, "Sending %s to %s\n", msg, channame);
05506 
05507    tmp = get_chan_by_ast_name(channame);
05508    if (!tmp) {
05509       ast_cli(a->fd, "Sending %s to %s failed Channel does not exist\n", msg, channame);
05510       return CLI_SUCCESS;
05511    }
05512 #if 1
05513    for (i = 0; i < msglen; i++) {
05514       if (!tmp->ast) {
05515          break;
05516       }
05517       ast_cli(a->fd, "Sending: %c\n", msg[i]);
05518       send_digit_to_chan(tmp, msg[i]);
05519       /* res = ast_safe_sleep(tmp->ast, 250); */
05520       usleep(250000);
05521       /* res = ast_waitfor(tmp->ast,100); */
05522    }
05523 #else
05524    if (tmp->ast) {
05525       ast_dtmf_stream(tmp->ast, NULL, msg, 250);
05526    }
05527 #endif
05528    chan_list_unref(tmp, "Digit(s) sent");
05529 
05530    return CLI_SUCCESS;
05531 }
05532 
05533 static char *handle_cli_misdn_toggle_echocancel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
05534 {
05535    const char *channame;
05536    struct chan_list *tmp;
05537 
05538    switch (cmd) {
05539    case CLI_INIT:
05540       e->command = "misdn toggle echocancel";
05541       e->usage =
05542          "Usage: misdn toggle echocancel <channel>\n"
05543          "       Toggle EchoCancel on mISDN Channel.\n";
05544       return NULL;
05545    case CLI_GENERATE:
05546       return complete_ch(a);
05547    }
05548 
05549    if (a->argc != 4) {
05550       return CLI_SHOWUSAGE;
05551    }
05552 
05553    channame = a->argv[3];
05554 
05555    ast_cli(a->fd, "Toggling EchoCancel on %s\n", channame);
05556 
05557    tmp = get_chan_by_ast_name(channame);
05558    if (!tmp) {
05559       ast_cli(a->fd, "Toggling EchoCancel %s failed Channel does not exist\n", channame);
05560       return CLI_SUCCESS;
05561    }
05562 
05563    tmp->toggle_ec = tmp->toggle_ec ? 0 : 1;
05564 
05565    if (tmp->toggle_ec) {
05566 #ifdef MISDN_1_2
05567       update_pipeline_config(tmp->bc);
05568 #else
05569       update_ec_config(tmp->bc);
05570 #endif
05571       manager_ec_enable(tmp->bc);
05572    } else {
05573       manager_ec_disable(tmp->bc);
05574    }
05575    chan_list_unref(tmp, "Done toggling echo cancel");
05576 
05577    return CLI_SUCCESS;
05578 }
05579 
05580 static char *handle_cli_misdn_send_display(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
05581 {
05582    const char *channame;
05583    const char *msg;
05584    struct chan_list *tmp;
05585 
05586    switch (cmd) {
05587    case CLI_INIT:
05588       e->command = "misdn send display";
05589       e->usage =
05590          "Usage: misdn send display <channel> \"<msg>\" \n"
05591          "       Send <msg> to <channel> as Display Message\n"
05592          "       when channel is a mISDN channel\n";
05593       return NULL;
05594    case CLI_GENERATE:
05595       return complete_ch(a);
05596    }
05597 
05598    if (a->argc != 5) {
05599       return CLI_SHOWUSAGE;
05600    }
05601 
05602    channame = a->argv[3];
05603    msg = a->argv[4];
05604 
05605    ast_cli(a->fd, "Sending %s to %s\n", msg, channame);
05606 
05607    tmp = get_chan_by_ast_name(channame);
05608    if (tmp && tmp->bc) {
05609       ast_copy_string(tmp->bc->display, msg, sizeof(tmp->bc->display));
05610       misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
05611       chan_list_unref(tmp, "Done sending display");
05612    } else {
05613       if (tmp) {
05614          chan_list_unref(tmp, "Display failed");
05615       }
05616       ast_cli(a->fd, "No such channel %s\n", channame);
05617       return CLI_SUCCESS;
05618    }
05619 
05620    return CLI_SUCCESS;
05621 }
05622 
05623 static char *complete_ch(struct ast_cli_args *a)
05624 {
05625    return ast_complete_channels(a->line, a->word, a->pos, a->n, 3);
05626 }
05627 
05628 static char *complete_debug_port(struct ast_cli_args *a)
05629 {
05630    if (a->n) {
05631       return NULL;
05632    }
05633 
05634    switch (a->pos) {
05635    case 4:
05636       if (a->word[0] == 'p') {
05637          return ast_strdup("port");
05638       } else if (a->word[0] == 'o') {
05639          return ast_strdup("only");
05640       }
05641       break;
05642    case 6:
05643       if (a->word[0] == 'o') {
05644          return ast_strdup("only");
05645       }
05646       break;
05647    }
05648    return NULL;
05649 }
05650 
05651 static char *complete_show_config(struct ast_cli_args *a)
05652 {
05653    char buffer[BUFFERSIZE];
05654    enum misdn_cfg_elements elem;
05655    int wordlen = strlen(a->word);
05656    int which = 0;
05657    int port = 0;
05658 
05659    switch (a->pos) {
05660    case 3:
05661       if ((!strncmp(a->word, "description", wordlen)) && (++which > a->n)) {
05662          return ast_strdup("description");
05663       }
05664       if ((!strncmp(a->word, "descriptions", wordlen)) && (++which > a->n)) {
05665          return ast_strdup("descriptions");
05666       }
05667       if ((!strncmp(a->word, "0", wordlen)) && (++which > a->n)) {
05668          return ast_strdup("0");
05669       }
05670       while ((port = misdn_cfg_get_next_port(port)) != -1) {
05671          snprintf(buffer, sizeof(buffer), "%d", port);
05672          if ((!strncmp(a->word, buffer, wordlen)) && (++which > a->n)) {
05673             return ast_strdup(buffer);
05674          }
05675       }
05676       break;
05677    case 4:
05678       if (strstr(a->line, "description ")) {
05679          for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
05680             if ((elem == MISDN_CFG_LAST) || (elem == MISDN_GEN_FIRST)) {
05681                continue;
05682             }
05683             misdn_cfg_get_name(elem, buffer, sizeof(buffer));
05684             if (!wordlen || !strncmp(a->word, buffer, wordlen)) {
05685                if (++which > a->n) {
05686                   return ast_strdup(buffer);
05687                }
05688             }
05689          }
05690       } else if (strstr(a->line, "descriptions ")) {
05691          if ((!wordlen || !strncmp(a->word, "general", wordlen)) && (++which > a->n)) {
05692             return ast_strdup("general");
05693          }
05694          if ((!wordlen || !strncmp(a->word, "ports", wordlen)) && (++which > a->n)) {
05695             return ast_strdup("ports");
05696          }
05697       }
05698       break;
05699    }
05700    return NULL;
05701 }
05702 
05703 static struct ast_cli_entry chan_misdn_clis[] = {
05704 /* *INDENT-OFF* */
05705    AST_CLI_DEFINE(handle_cli_misdn_port_block,        "Block the given port"),
05706    AST_CLI_DEFINE(handle_cli_misdn_port_down,         "Try to deactivate the L1 on the given port"),
05707    AST_CLI_DEFINE(handle_cli_misdn_port_unblock,      "Unblock the given port"),
05708    AST_CLI_DEFINE(handle_cli_misdn_port_up,           "Try to establish L1 on the given port"),
05709    AST_CLI_DEFINE(handle_cli_misdn_reload,            "Reload internal mISDN config, read from the config file"),
05710    AST_CLI_DEFINE(handle_cli_misdn_restart_pid,       "Restart the given pid"),
05711    AST_CLI_DEFINE(handle_cli_misdn_restart_port,      "Restart the given port"),
05712    AST_CLI_DEFINE(handle_cli_misdn_show_channel,      "Show an internal mISDN channel"),
05713    AST_CLI_DEFINE(handle_cli_misdn_show_channels,     "Show the internal mISDN channel list"),
05714    AST_CLI_DEFINE(handle_cli_misdn_show_config,       "Show internal mISDN config, read from the config file"),
05715    AST_CLI_DEFINE(handle_cli_misdn_show_port,         "Show detailed information for given port"),
05716    AST_CLI_DEFINE(handle_cli_misdn_show_ports_stats,  "Show mISDNs channel's call statistics per port"),
05717    AST_CLI_DEFINE(handle_cli_misdn_show_stacks,       "Show internal mISDN stack_list"),
05718    AST_CLI_DEFINE(handle_cli_misdn_send_facility,     "Sends a Facility Message to the mISDN Channel"),
05719    AST_CLI_DEFINE(handle_cli_misdn_send_digit,        "Send DTMF digit to mISDN Channel"),
05720    AST_CLI_DEFINE(handle_cli_misdn_send_display,      "Send Text to mISDN Channel"),
05721    AST_CLI_DEFINE(handle_cli_misdn_send_restart,      "Send a restart for every bchannel on the given port"),
05722    AST_CLI_DEFINE(handle_cli_misdn_set_crypt_debug,   "Set CryptDebuglevel of chan_misdn, at the moment, level={1,2}"),
05723    AST_CLI_DEFINE(handle_cli_misdn_set_debug,         "Set Debuglevel of chan_misdn"),
05724    AST_CLI_DEFINE(handle_cli_misdn_set_tics,          "???"),
05725    AST_CLI_DEFINE(handle_cli_misdn_toggle_echocancel, "Toggle EchoCancel on mISDN Channel"),
05726 /* *INDENT-ON* */
05727 };
05728 
05729 /*! \brief Updates caller ID information from config */
05730 static void update_config(struct chan_list *ch)
05731 {
05732    struct ast_channel *ast;
05733    struct misdn_bchannel *bc;
05734    int port;
05735    int hdlc = 0;
05736    int pres;
05737    int screen;
05738 
05739    if (!ch) {
05740       ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
05741       return;
05742    }
05743 
05744    ast = ch->ast;
05745    bc = ch->bc;
05746    if (! ast || ! bc) {
05747       ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
05748       return;
05749    }
05750 
05751    port = bc->port;
05752 
05753    chan_misdn_log(7, port, "update_config: Getting Config\n");
05754 
05755    misdn_cfg_get(port, MISDN_CFG_HDLC, &hdlc, sizeof(int));
05756    if (hdlc) {
05757       switch (bc->capability) {
05758       case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
05759       case INFO_CAPABILITY_DIGITAL_RESTRICTED:
05760          chan_misdn_log(1, bc->port, " --> CONF HDLC\n");
05761          bc->hdlc = 1;
05762          break;
05763       }
05764    }
05765 
05766 
05767    misdn_cfg_get(port, MISDN_CFG_PRES, &pres, sizeof(pres));
05768    misdn_cfg_get(port, MISDN_CFG_SCREEN, &screen, sizeof(screen));
05769    chan_misdn_log(2, port, " --> pres: %d screen: %d\n", pres, screen);
05770 
05771    if (pres < 0 || screen < 0) {
05772       chan_misdn_log(2, port, " --> pres: %x\n", ast->connected.id.number.presentation);
05773 
05774       bc->caller.presentation = ast_to_misdn_pres(ast->connected.id.number.presentation);
05775       chan_misdn_log(2, port, " --> PRES: %s(%d)\n", misdn_to_str_pres(bc->caller.presentation), bc->caller.presentation);
05776 
05777       bc->caller.screening = ast_to_misdn_screen(ast->connected.id.number.presentation);
05778       chan_misdn_log(2, port, " --> SCREEN: %s(%d)\n", misdn_to_str_screen(bc->caller.screening), bc->caller.screening);
05779    } else {
05780       bc->caller.screening = screen;
05781       bc->caller.presentation = pres;
05782    }
05783 }
05784 
05785 
05786 static void config_jitterbuffer(struct chan_list *ch)
05787 {
05788    struct misdn_bchannel *bc = ch->bc;
05789    int len = ch->jb_len;
05790    int threshold = ch->jb_upper_threshold;
05791 
05792    chan_misdn_log(5, bc->port, "config_jb: Called\n");
05793 
05794    if (!len) {
05795       chan_misdn_log(1, bc->port, "config_jb: Deactivating Jitterbuffer\n");
05796       bc->nojitter = 1;
05797    } else {
05798       if (len <= 100 || len > 8000) {
05799          chan_misdn_log(0, bc->port, "config_jb: Jitterbuffer out of Bounds, setting to 1000\n");
05800          len = 1000;
05801       }
05802 
05803       if (threshold > len) {
05804          chan_misdn_log(0, bc->port, "config_jb: Jitterbuffer Threshold > Jitterbuffer setting to Jitterbuffer -1\n");
05805       }
05806 
05807       if (ch->jb) {
05808          cb_log(0, bc->port, "config_jb: We've got a Jitterbuffer Already on this port.\n");
05809          misdn_jb_destroy(ch->jb);
05810          ch->jb = NULL;
05811       }
05812 
05813       ch->jb = misdn_jb_init(len, threshold);
05814 
05815       if (!ch->jb) {
05816          bc->nojitter = 1;
05817       }
05818    }
05819 }
05820 
05821 
05822 void debug_numtype(int port, int numtype, char *type)
05823 {
05824    switch (numtype) {
05825    case NUMTYPE_UNKNOWN:
05826       chan_misdn_log(2, port, " --> %s: Unknown\n", type);
05827       break;
05828    case NUMTYPE_INTERNATIONAL:
05829       chan_misdn_log(2, port, " --> %s: International\n", type);
05830       break;
05831    case NUMTYPE_NATIONAL:
05832       chan_misdn_log(2, port, " --> %s: National\n", type);
05833       break;
05834    case NUMTYPE_NETWORK_SPECIFIC:
05835       chan_misdn_log(2, port, " --> %s: Network Specific\n", type);
05836       break;
05837    case NUMTYPE_SUBSCRIBER:
05838       chan_misdn_log(2, port, " --> %s: Subscriber\n", type);
05839       break;
05840    case NUMTYPE_ABBREVIATED:
05841       chan_misdn_log(2, port, " --> %s: Abbreviated\n", type);
05842       break;
05843       /* Maybe we should cut off the prefix if present ? */
05844    default:
05845       chan_misdn_log(0, port, " --> !!!! Wrong dialplan setting, please see the misdn.conf sample file\n ");
05846       break;
05847    }
05848 }
05849 
05850 
05851 #ifdef MISDN_1_2
05852 static int update_pipeline_config(struct misdn_bchannel *bc)
05853 {
05854    int ec;
05855 
05856    misdn_cfg_get(bc->port, MISDN_CFG_PIPELINE, bc->pipeline, sizeof(bc->pipeline));
05857 
05858    if (*bc->pipeline) {
05859       return 0;
05860    }
05861 
05862    misdn_cfg_get(bc->port, MISDN_CFG_ECHOCANCEL, &ec, sizeof(ec));
05863    if (ec == 1) {
05864       ast_copy_string(bc->pipeline, "mg2ec", sizeof(bc->pipeline));
05865    } else if (ec > 1) {
05866       snprintf(bc->pipeline, sizeof(bc->pipeline), "mg2ec(deftaps=%d)", ec);
05867    }
05868 
05869    return 0;
05870 }
05871 #else
05872 static int update_ec_config(struct misdn_bchannel *bc)
05873 {
05874    int ec;
05875    int port = bc->port;
05876 
05877    misdn_cfg_get(port, MISDN_CFG_ECHOCANCEL, &ec, sizeof(ec));
05878 
05879    if (ec == 1) {
05880       bc->ec_enable = 1;
05881    } else if (ec > 1) {
05882       bc->ec_enable = 1;
05883       bc->ec_deftaps = ec;
05884    }
05885 
05886    return 0;
05887 }
05888 #endif
05889 
05890 
05891 static int read_config(struct chan_list *ch)
05892 {
05893    struct ast_channel *ast;
05894    struct misdn_bchannel *bc;
05895    int port;
05896    int hdlc = 0;
05897    char lang[BUFFERSIZE + 1];
05898    char faxdetect[BUFFERSIZE + 1];
05899    char buf[256];
05900    char buf2[256];
05901    ast_group_t pg;
05902    ast_group_t cg;
05903 
05904    if (!ch) {
05905       ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
05906       return -1;
05907    }
05908 
05909    ast = ch->ast;
05910    bc = ch->bc;
05911    if (! ast || ! bc) {
05912       ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
05913       return -1;
05914    }
05915 
05916    port = bc->port;
05917    chan_misdn_log(1, port, "read_config: Getting Config\n");
05918 
05919    misdn_cfg_get(port, MISDN_CFG_LANGUAGE, lang, sizeof(lang));
05920    ast_string_field_set(ast, language, lang);
05921 
05922    misdn_cfg_get(port, MISDN_CFG_MUSICCLASS, ch->mohinterpret, sizeof(ch->mohinterpret));
05923 
05924    misdn_cfg_get(port, MISDN_CFG_TXGAIN, &bc->txgain, sizeof(bc->txgain));
05925    misdn_cfg_get(port, MISDN_CFG_RXGAIN, &bc->rxgain, sizeof(bc->rxgain));
05926 
05927    misdn_cfg_get(port, MISDN_CFG_INCOMING_EARLY_AUDIO, &ch->incoming_early_audio, sizeof(ch->incoming_early_audio));
05928 
05929    misdn_cfg_get(port, MISDN_CFG_SENDDTMF, &bc->send_dtmf, sizeof(bc->send_dtmf));
05930 
05931    misdn_cfg_get(port, MISDN_CFG_ASTDTMF, &ch->ast_dsp, sizeof(int));
05932    if (ch->ast_dsp) {
05933       ch->ignore_dtmf = 1;
05934    }
05935 
05936    misdn_cfg_get(port, MISDN_CFG_NEED_MORE_INFOS, &bc->need_more_infos, sizeof(bc->need_more_infos));
05937    misdn_cfg_get(port, MISDN_CFG_NTTIMEOUT, &ch->nttimeout, sizeof(ch->nttimeout));
05938 
05939    misdn_cfg_get(port, MISDN_CFG_NOAUTORESPOND_ON_SETUP, &ch->noautorespond_on_setup, sizeof(ch->noautorespond_on_setup));
05940 
05941    misdn_cfg_get(port, MISDN_CFG_FAR_ALERTING, &ch->far_alerting, sizeof(ch->far_alerting));
05942 
05943    misdn_cfg_get(port, MISDN_CFG_ALLOWED_BEARERS, &ch->allowed_bearers, sizeof(ch->allowed_bearers));
05944 
05945    misdn_cfg_get(port, MISDN_CFG_FAXDETECT, faxdetect, sizeof(faxdetect));
05946 
05947    misdn_cfg_get(port, MISDN_CFG_HDLC, &hdlc, sizeof(hdlc));
05948    if (hdlc) {
05949       switch (bc->capability) {
05950       case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
05951       case INFO_CAPABILITY_DIGITAL_RESTRICTED:
05952          chan_misdn_log(1, bc->port, " --> CONF HDLC\n");
05953          bc->hdlc = 1;
05954          break;
05955       }
05956 
05957    }
05958    /*Initialize new Jitterbuffer*/
05959    misdn_cfg_get(port, MISDN_CFG_JITTERBUFFER, &ch->jb_len, sizeof(ch->jb_len));
05960    misdn_cfg_get(port, MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, &ch->jb_upper_threshold, sizeof(ch->jb_upper_threshold));
05961 
05962    config_jitterbuffer(ch);
05963 
05964    misdn_cfg_get(bc->port, MISDN_CFG_CONTEXT, ch->context, sizeof(ch->context));
05965 
05966    ast_copy_string(ast->context, ch->context, sizeof(ast->context));
05967 
05968 #ifdef MISDN_1_2
05969    update_pipeline_config(bc);
05970 #else
05971    update_ec_config(bc);
05972 #endif
05973 
05974    misdn_cfg_get(bc->port, MISDN_CFG_EARLY_BCONNECT, &bc->early_bconnect, sizeof(bc->early_bconnect));
05975 
05976    misdn_cfg_get(port, MISDN_CFG_DISPLAY_CONNECTED, &bc->display_connected, sizeof(bc->display_connected));
05977    misdn_cfg_get(port, MISDN_CFG_DISPLAY_SETUP, &bc->display_setup, sizeof(bc->display_setup));
05978    misdn_cfg_get(port, MISDN_CFG_OUTGOING_COLP, &bc->outgoing_colp, sizeof(bc->outgoing_colp));
05979 
05980    misdn_cfg_get(port, MISDN_CFG_PICKUPGROUP, &pg, sizeof(pg));
05981    misdn_cfg_get(port, MISDN_CFG_CALLGROUP, &cg, sizeof(cg));
05982    chan_misdn_log(5, port, " --> * CallGrp:%s PickupGrp:%s\n", ast_print_group(buf, sizeof(buf), cg), ast_print_group(buf2, sizeof(buf2), pg));
05983    ast->pickupgroup = pg;
05984    ast->callgroup = cg;
05985 
05986    if (ch->originator == ORG_AST) {
05987       char callerid[BUFFERSIZE + 1];
05988 
05989       /* ORIGINATOR Asterisk (outgoing call) */
05990 
05991       misdn_cfg_get(port, MISDN_CFG_TE_CHOOSE_CHANNEL, &(bc->te_choose_channel), sizeof(bc->te_choose_channel));
05992 
05993       if (strstr(faxdetect, "outgoing") || strstr(faxdetect, "both")) {
05994          ch->faxdetect = strstr(faxdetect, "nojump") ? 2 : 1;
05995       }
05996 
05997       misdn_cfg_get(port, MISDN_CFG_CALLERID, callerid, sizeof(callerid));
05998       if (!ast_strlen_zero(callerid)) {
05999          char *cid_name = NULL;
06000          char *cid_num = NULL;
06001 
06002          ast_callerid_parse(callerid, &cid_name, &cid_num);
06003          if (cid_name) {
06004             ast_copy_string(bc->caller.name, cid_name, sizeof(bc->caller.name));
06005          } else {
06006             bc->caller.name[0] = '\0';
06007          }
06008          if (cid_num) {
06009             ast_copy_string(bc->caller.number, cid_num, sizeof(bc->caller.number));
06010          } else {
06011             bc->caller.number[0] = '\0';
06012          }
06013          chan_misdn_log(1, port, " --> * Setting caller to \"%s\" <%s>\n", bc->caller.name, bc->caller.number);
06014       }
06015 
06016       misdn_cfg_get(port, MISDN_CFG_DIALPLAN, &bc->dialed.number_type, sizeof(bc->dialed.number_type));
06017       bc->dialed.number_plan = NUMPLAN_ISDN;
06018       debug_numtype(port, bc->dialed.number_type, "TON");
06019 
06020       ch->overlap_dial = 0;
06021    } else {
06022       /* ORIGINATOR MISDN (incoming call) */
06023 
06024       if (strstr(faxdetect, "incoming") || strstr(faxdetect, "both")) {
06025          ch->faxdetect = (strstr(faxdetect, "nojump")) ? 2 : 1;
06026       }
06027 
06028       /* Add configured prefix to caller.number */
06029       misdn_add_number_prefix(bc->port, bc->caller.number_type, bc->caller.number, sizeof(bc->caller.number));
06030 
06031       if (ast_strlen_zero(bc->dialed.number) && !ast_strlen_zero(bc->keypad)) {
06032          ast_copy_string(bc->dialed.number, bc->keypad, sizeof(bc->dialed.number));
06033       }
06034 
06035       /* Add configured prefix to dialed.number */
06036       misdn_add_number_prefix(bc->port, bc->dialed.number_type, bc->dialed.number, sizeof(bc->dialed.number));
06037 
06038       ast_copy_string(ast->exten, bc->dialed.number, sizeof(ast->exten));
06039 
06040       misdn_cfg_get(bc->port, MISDN_CFG_OVERLAP_DIAL, &ch->overlap_dial, sizeof(ch->overlap_dial));
06041       ast_mutex_init(&ch->overlap_tv_lock);
06042    } /* ORIG MISDN END */
06043 
06044    misdn_cfg_get(port, MISDN_CFG_INCOMING_CALLERID_TAG, bc->incoming_cid_tag, sizeof(bc->incoming_cid_tag));
06045    if (!ast_strlen_zero(bc->incoming_cid_tag)) {
06046       chan_misdn_log(1, port, " --> * Setting incoming caller id tag to \"%s\"\n", bc->incoming_cid_tag);
06047    }
06048    ch->overlap_dial_task = -1;
06049 
06050    if (ch->faxdetect  || ch->ast_dsp) {
06051       misdn_cfg_get(port, MISDN_CFG_FAXDETECT_TIMEOUT, &ch->faxdetect_timeout, sizeof(ch->faxdetect_timeout));
06052       if (!ch->dsp) {
06053          ch->dsp = ast_dsp_new();
06054       }
06055       if (ch->dsp) {
06056          ast_dsp_set_features(ch->dsp, DSP_FEATURE_DIGIT_DETECT | (ch->faxdetect ? DSP_FEATURE_FAX_DETECT : 0));
06057       }
06058    }
06059 
06060    /* AOCD initialization */
06061    bc->AOCDtype = Fac_None;
06062 
06063    return 0;
06064 }
06065 
06066 /*!
06067  * \internal
06068  * \brief Send a connected line update to the other channel
06069  *
06070  * \param ast Current Asterisk channel
06071  * \param id Party id information to send to the other side
06072  * \param source Why are we sending this update
06073  * \param cid_tag User tag to apply to the party id.
06074  *
06075  * \return Nothing
06076  */
06077 static void misdn_queue_connected_line_update(struct ast_channel *ast, const struct misdn_party_id *id, enum AST_CONNECTED_LINE_UPDATE_SOURCE source, char *cid_tag)
06078 {
06079    struct ast_party_connected_line connected;
06080    struct ast_set_party_connected_line update_connected;
06081 
06082    ast_party_connected_line_init(&connected);
06083    memset(&update_connected, 0, sizeof(update_connected));
06084    update_connected.id.number = 1;
06085    connected.id.number.valid = 1;
06086    connected.id.number.str = (char *) id->number;
06087    connected.id.number.plan = misdn_to_ast_ton(id->number_type)
06088       | misdn_to_ast_plan(id->number_plan);
06089    connected.id.number.presentation = misdn_to_ast_pres(id->presentation)
06090       | misdn_to_ast_screen(id->screening);
06091    connected.id.tag = cid_tag;
06092    connected.source = source;
06093    ast_channel_queue_connected_line_update(ast, &connected, &update_connected);
06094 }
06095 
06096 /*!
06097  * \internal
06098  * \brief Update the caller id party on this channel.
06099  *
06100  * \param ast Current Asterisk channel
06101  * \param id Remote party id information to update.
06102  * \param cid_tag User tag to apply to the party id.
06103  *
06104  * \return Nothing
06105  */
06106 static void misdn_update_caller_id(struct ast_channel *ast, const struct misdn_party_id *id, char *cid_tag)
06107 {
06108    struct ast_party_caller caller;
06109    struct ast_set_party_caller update_caller;
06110 
06111    memset(&update_caller, 0, sizeof(update_caller));
06112    update_caller.id.number = 1;
06113    update_caller.ani.number = 1;
06114 
06115    ast_channel_lock(ast);
06116    ast_party_caller_set_init(&caller, &ast->caller);
06117 
06118    caller.id.number.valid = 1;
06119    caller.id.number.str = (char *) id->number;
06120    caller.id.number.plan = misdn_to_ast_ton(id->number_type)
06121       | misdn_to_ast_plan(id->number_plan);
06122    caller.id.number.presentation = misdn_to_ast_pres(id->presentation)
06123       | misdn_to_ast_screen(id->screening);
06124 
06125    caller.ani.number = caller.id.number;
06126 
06127    caller.id.tag = cid_tag;
06128    caller.ani.tag = cid_tag;
06129 
06130    ast_channel_set_caller_event(ast, &caller, &update_caller);
06131    ast_channel_unlock(ast);
06132 }
06133 
06134 /*!
06135  * \internal
06136  * \brief Update the remote party id information.
06137  *
06138  * \param ast Current Asterisk channel
06139  * \param id Remote party id information to update.
06140  * \param source Why are we sending this update
06141  * \param cid_tag User tag to apply to the party id.
06142  *
06143  * \return Nothing
06144  */
06145 static void misdn_update_remote_party(struct ast_channel *ast, const struct misdn_party_id *id, enum AST_CONNECTED_LINE_UPDATE_SOURCE source, char *cid_tag)
06146 {
06147    misdn_update_caller_id(ast, id, cid_tag);
06148    misdn_queue_connected_line_update(ast, id, source, cid_tag);
06149 }
06150 
06151 /*!
06152  * \internal
06153  * \brief Get the connected line information out of the Asterisk channel.
06154  *
06155  * \param ast Current Asterisk channel
06156  * \param bc Associated B channel
06157  * \param originator Who originally created this channel. ORG_AST or ORG_MISDN
06158  *
06159  * \return Nothing
06160  */
06161 static void misdn_get_connected_line(struct ast_channel *ast, struct misdn_bchannel *bc, int originator)
06162 {
06163    int number_type;
06164 
06165    if (originator == ORG_MISDN) {
06166       /* ORIGINATOR MISDN (incoming call) */
06167 
06168       ast_copy_string(bc->connected.name,
06169          S_COR(ast->connected.id.name.valid, ast->connected.id.name.str, ""),
06170          sizeof(bc->connected.name));
06171       if (ast->connected.id.number.valid) {
06172          ast_copy_string(bc->connected.number, S_OR(ast->connected.id.number.str, ""),
06173             sizeof(bc->connected.number));
06174          bc->connected.presentation = ast_to_misdn_pres(ast->connected.id.number.presentation);
06175          bc->connected.screening = ast_to_misdn_screen(ast->connected.id.number.presentation);
06176          bc->connected.number_type = ast_to_misdn_ton(ast->connected.id.number.plan);
06177          bc->connected.number_plan = ast_to_misdn_plan(ast->connected.id.number.plan);
06178       } else {
06179          bc->connected.number[0] = '\0';
06180          bc->connected.presentation = 0;/* Allowed */
06181          bc->connected.screening = 0;/* Unscreened */
06182          bc->connected.number_type = NUMTYPE_UNKNOWN;
06183          bc->connected.number_plan = NUMPLAN_UNKNOWN;
06184       }
06185 
06186       misdn_cfg_get(bc->port, MISDN_CFG_CPNDIALPLAN, &number_type, sizeof(number_type));
06187       if (0 <= number_type) {
06188          /* Force us to send in CONNECT message */
06189          bc->connected.number_type = number_type;
06190          bc->connected.number_plan = NUMPLAN_ISDN;
06191       }
06192       debug_numtype(bc->port, bc->connected.number_type, "CTON");
06193    } else {
06194       /* ORIGINATOR Asterisk (outgoing call) */
06195 
06196       ast_copy_string(bc->caller.name,
06197          S_COR(ast->connected.id.name.valid, ast->connected.id.name.str, ""),
06198          sizeof(bc->caller.name));
06199       if (ast->connected.id.number.valid) {
06200          ast_copy_string(bc->caller.number, S_OR(ast->connected.id.number.str, ""),
06201             sizeof(bc->caller.number));
06202          bc->caller.presentation = ast_to_misdn_pres(ast->connected.id.number.presentation);
06203          bc->caller.screening = ast_to_misdn_screen(ast->connected.id.number.presentation);
06204          bc->caller.number_type = ast_to_misdn_ton(ast->connected.id.number.plan);
06205          bc->caller.number_plan = ast_to_misdn_plan(ast->connected.id.number.plan);
06206       } else {
06207          bc->caller.number[0] = '\0';
06208          bc->caller.presentation = 0;/* Allowed */
06209          bc->caller.screening = 0;/* Unscreened */
06210          bc->caller.number_type = NUMTYPE_UNKNOWN;
06211          bc->caller.number_plan = NUMPLAN_UNKNOWN;
06212       }
06213 
06214       misdn_cfg_get(bc->port, MISDN_CFG_LOCALDIALPLAN, &number_type, sizeof(number_type));
06215       if (0 <= number_type) {
06216          /* Force us to send in SETUP message */
06217          bc->caller.number_type = number_type;
06218          bc->caller.number_plan = NUMPLAN_ISDN;
06219       }
06220       debug_numtype(bc->port, bc->caller.number_type, "LTON");
06221    }
06222 }
06223 
06224 /*!
06225  * \internal
06226  * \brief Notify peer that the connected line has changed.
06227  *
06228  * \param ast Current Asterisk channel
06229  * \param bc Associated B channel
06230  * \param originator Who originally created this channel. ORG_AST or ORG_MISDN
06231  *
06232  * \return Nothing
06233  */
06234 static void misdn_update_connected_line(struct ast_channel *ast, struct misdn_bchannel *bc, int originator)
06235 {
06236    struct chan_list *ch;
06237 
06238    misdn_get_connected_line(ast, bc, originator);
06239    if (originator == ORG_MISDN) {
06240       bc->redirecting.to = bc->connected;
06241    } else {
06242       bc->redirecting.to = bc->caller;
06243    }
06244    switch (bc->outgoing_colp) {
06245    case 1:/* restricted */
06246       bc->redirecting.to.presentation = 1;/* restricted */
06247       break;
06248    case 2:/* blocked */
06249       /* Don't tell the remote party that the call was transferred. */
06250       return;
06251    default:
06252       break;
06253    }
06254 
06255    ch = MISDN_ASTERISK_TECH_PVT(ast);
06256    if (ch->state == MISDN_CONNECTED
06257       || originator != ORG_MISDN) {
06258       int is_ptmp;
06259 
06260       is_ptmp = !misdn_lib_is_ptp(bc->port);
06261       if (is_ptmp) {
06262          /*
06263           * We should not send these messages to the network if we are
06264           * the CPE side since phones do not transfer calls within
06265           * themselves.  Well... If you consider handing the handset to
06266           * someone else a transfer then how is the network to know?
06267           */
06268          if (!misdn_lib_port_is_nt(bc->port)) {
06269             return;
06270          }
06271          if (ch->state != MISDN_CONNECTED) {
06272             /* Send NOTIFY(Nie(transfer-active), RDNie(redirecting.to data)) */
06273             bc->redirecting.to_changed = 1;
06274             bc->notify_description_code = mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE;
06275             misdn_lib_send_event(bc, EVENT_NOTIFY);
06276 #if defined(AST_MISDN_ENHANCEMENTS)
06277          } else {
06278             /* Send FACILITY(Fie(RequestSubaddress), Nie(transfer-active), RDNie(redirecting.to data)) */
06279             bc->redirecting.to_changed = 1;
06280             bc->notify_description_code = mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE;
06281             bc->fac_out.Function = Fac_RequestSubaddress;
06282             bc->fac_out.u.RequestSubaddress.InvokeID = ++misdn_invoke_id;
06283 
06284             /* Send message */
06285             print_facility(&bc->fac_out, bc);
06286             misdn_lib_send_event(bc, EVENT_FACILITY);
06287 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06288          }
06289 #if defined(AST_MISDN_ENHANCEMENTS)
06290       } else {
06291          /* Send FACILITY(Fie(EctInform(transfer-active, redirecting.to data))) */
06292          bc->fac_out.Function = Fac_EctInform;
06293          bc->fac_out.u.EctInform.InvokeID = ++misdn_invoke_id;
06294          bc->fac_out.u.EctInform.Status = 1;/* active */
06295          bc->fac_out.u.EctInform.RedirectionPresent = 1;/* Must be present when status is active */
06296          misdn_PresentedNumberUnscreened_fill(&bc->fac_out.u.EctInform.Redirection,
06297             &bc->redirecting.to);
06298 
06299          /* Send message */
06300          print_facility(&bc->fac_out, bc);
06301          misdn_lib_send_event(bc, EVENT_FACILITY);
06302 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06303       }
06304    }
06305 }
06306 
06307 /*!
06308  * \internal
06309  * \brief Copy the redirecting information out of the Asterisk channel
06310  *
06311  * \param bc Associated B channel
06312  * \param ast Current Asterisk channel
06313  *
06314  * \return Nothing
06315  */
06316 static void misdn_copy_redirecting_from_ast(struct misdn_bchannel *bc, struct ast_channel *ast)
06317 {
06318    ast_copy_string(bc->redirecting.from.name,
06319       S_COR(ast->redirecting.from.name.valid, ast->redirecting.from.name.str, ""),
06320       sizeof(bc->redirecting.from.name));
06321    if (ast->redirecting.from.number.valid) {
06322       ast_copy_string(bc->redirecting.from.number, S_OR(ast->redirecting.from.number.str, ""),
06323          sizeof(bc->redirecting.from.number));
06324       bc->redirecting.from.presentation = ast_to_misdn_pres(ast->redirecting.from.number.presentation);
06325       bc->redirecting.from.screening = ast_to_misdn_screen(ast->redirecting.from.number.presentation);
06326       bc->redirecting.from.number_type = ast_to_misdn_ton(ast->redirecting.from.number.plan);
06327       bc->redirecting.from.number_plan = ast_to_misdn_plan(ast->redirecting.from.number.plan);
06328    } else {
06329       bc->redirecting.from.number[0] = '\0';
06330       bc->redirecting.from.presentation = 0;/* Allowed */
06331       bc->redirecting.from.screening = 0;/* Unscreened */
06332       bc->redirecting.from.number_type = NUMTYPE_UNKNOWN;
06333       bc->redirecting.from.number_plan = NUMPLAN_UNKNOWN;
06334    }
06335 
06336    ast_copy_string(bc->redirecting.to.name,
06337       S_COR(ast->redirecting.to.name.valid, ast->redirecting.to.name.str, ""),
06338       sizeof(bc->redirecting.to.name));
06339    if (ast->redirecting.to.number.valid) {
06340       ast_copy_string(bc->redirecting.to.number, S_OR(ast->redirecting.to.number.str, ""),
06341          sizeof(bc->redirecting.to.number));
06342       bc->redirecting.to.presentation = ast_to_misdn_pres(ast->redirecting.to.number.presentation);
06343       bc->redirecting.to.screening = ast_to_misdn_screen(ast->redirecting.to.number.presentation);
06344       bc->redirecting.to.number_type = ast_to_misdn_ton(ast->redirecting.to.number.plan);
06345       bc->redirecting.to.number_plan = ast_to_misdn_plan(ast->redirecting.to.number.plan);
06346    } else {
06347       bc->redirecting.to.number[0] = '\0';
06348       bc->redirecting.to.presentation = 0;/* Allowed */
06349       bc->redirecting.to.screening = 0;/* Unscreened */
06350       bc->redirecting.to.number_type = NUMTYPE_UNKNOWN;
06351       bc->redirecting.to.number_plan = NUMPLAN_UNKNOWN;
06352    }
06353 
06354    bc->redirecting.reason = ast_to_misdn_reason(ast->redirecting.reason);
06355    bc->redirecting.count = ast->redirecting.count;
06356 }
06357 
06358 /*!
06359  * \internal
06360  * \brief Copy the redirecting info into the Asterisk channel
06361  *
06362  * \param ast Current Asterisk channel
06363  * \param redirect Associated B channel redirecting info
06364  * \param tag Caller ID tag to set in the redirecting party fields
06365  *
06366  * \return Nothing
06367  */
06368 static void misdn_copy_redirecting_to_ast(struct ast_channel *ast, const struct misdn_party_redirecting *redirect, char *tag)
06369 {
06370    struct ast_party_redirecting redirecting;
06371    struct ast_set_party_redirecting update_redirecting;
06372 
06373    ast_party_redirecting_set_init(&redirecting, &ast->redirecting);
06374    memset(&update_redirecting, 0, sizeof(update_redirecting));
06375 
06376    update_redirecting.from.number = 1;
06377    redirecting.from.number.valid = 1;
06378    redirecting.from.number.str = (char *) redirect->from.number;
06379    redirecting.from.number.plan =
06380       misdn_to_ast_ton(redirect->from.number_type)
06381       | misdn_to_ast_plan(redirect->from.number_plan);
06382    redirecting.from.number.presentation =
06383       misdn_to_ast_pres(redirect->from.presentation)
06384       | misdn_to_ast_screen(redirect->from.screening);
06385    redirecting.from.tag = tag;
06386 
06387    update_redirecting.to.number = 1;
06388    redirecting.to.number.valid = 1;
06389    redirecting.to.number.str = (char *) redirect->to.number;
06390    redirecting.to.number.plan =
06391       misdn_to_ast_ton(redirect->to.number_type)
06392       | misdn_to_ast_plan(redirect->to.number_plan);
06393    redirecting.to.number.presentation =
06394       misdn_to_ast_pres(redirect->to.presentation)
06395       | misdn_to_ast_screen(redirect->to.screening);
06396    redirecting.to.tag = tag;
06397 
06398    redirecting.reason = misdn_to_ast_reason(redirect->reason);
06399    redirecting.count = redirect->count;
06400 
06401    ast_channel_set_redirecting(ast, &redirecting, &update_redirecting);
06402 }
06403 
06404 /*!
06405  * \internal
06406  * \brief Notify peer that the redirecting information has changed.
06407  *
06408  * \param ast Current Asterisk channel
06409  * \param bc Associated B channel
06410  * \param originator Who originally created this channel. ORG_AST or ORG_MISDN
06411  *
06412  * \return Nothing
06413  */
06414 static void misdn_update_redirecting(struct ast_channel *ast, struct misdn_bchannel *bc, int originator)
06415 {
06416    int is_ptmp;
06417 
06418    misdn_copy_redirecting_from_ast(bc, ast);
06419    switch (bc->outgoing_colp) {
06420    case 1:/* restricted */
06421       bc->redirecting.to.presentation = 1;/* restricted */
06422       break;
06423    case 2:/* blocked */
06424       /* Don't tell the remote party that the call was redirected. */
06425       return;
06426    default:
06427       break;
06428    }
06429 
06430    if (originator != ORG_MISDN) {
06431       return;
06432    }
06433 
06434    is_ptmp = !misdn_lib_is_ptp(bc->port);
06435    if (is_ptmp) {
06436       /*
06437        * We should not send these messages to the network if we are
06438        * the CPE side since phones do not redirect calls within
06439        * themselves.  Well... If you consider someone else picking up
06440        * the handset a redirection then how is the network to know?
06441        */
06442       if (!misdn_lib_port_is_nt(bc->port)) {
06443          return;
06444       }
06445       /* Send NOTIFY(call-is-diverting, redirecting.to data) */
06446       bc->redirecting.to_changed = 1;
06447       bc->notify_description_code = mISDN_NOTIFY_CODE_CALL_IS_DIVERTING;
06448       misdn_lib_send_event(bc, EVENT_NOTIFY);
06449 #if defined(AST_MISDN_ENHANCEMENTS)
06450    } else {
06451       int match;  /* TRUE if the dialed number matches the redirecting to number */
06452 
06453       match = (strcmp(ast->exten, bc->redirecting.to.number) == 0) ? 1 : 0;
06454       if (!bc->div_leg_3_tx_pending
06455          || !match) {
06456          /* Send DivertingLegInformation1 */
06457          bc->fac_out.Function = Fac_DivertingLegInformation1;
06458          bc->fac_out.u.DivertingLegInformation1.InvokeID = ++misdn_invoke_id;
06459          bc->fac_out.u.DivertingLegInformation1.DiversionReason =
06460             misdn_to_diversion_reason(bc->redirecting.reason);
06461          bc->fac_out.u.DivertingLegInformation1.SubscriptionOption = 2;/* notificationWithDivertedToNr */
06462          bc->fac_out.u.DivertingLegInformation1.DivertedToPresent = 1;
06463          misdn_PresentedNumberUnscreened_fill(&bc->fac_out.u.DivertingLegInformation1.DivertedTo, &bc->redirecting.to);
06464          print_facility(&bc->fac_out, bc);
06465          misdn_lib_send_event(bc, EVENT_FACILITY);
06466       }
06467       bc->div_leg_3_tx_pending = 0;
06468 
06469       /* Send DivertingLegInformation3 */
06470       bc->fac_out.Function = Fac_DivertingLegInformation3;
06471       bc->fac_out.u.DivertingLegInformation3.InvokeID = ++misdn_invoke_id;
06472       bc->fac_out.u.DivertingLegInformation3.PresentationAllowedIndicator =
06473          bc->redirecting.to.presentation == 0 ? 1 : 0;
06474       print_facility(&bc->fac_out, bc);
06475       misdn_lib_send_event(bc, EVENT_FACILITY);
06476 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06477    }
06478 }
06479 
06480 
06481 /*****************************/
06482 /*** AST Indications Start ***/
06483 /*****************************/
06484 
06485 static int misdn_call(struct ast_channel *ast, char *dest, int timeout)
06486 {
06487    int port = 0;
06488    int r;
06489    int exceed;
06490    int number_type;
06491    struct chan_list *ch;
06492    struct misdn_bchannel *newbc;
06493    char *dest_cp;
06494    int append_msn = 0;
06495 
06496    AST_DECLARE_APP_ARGS(args,
06497       AST_APP_ARG(intf);   /* The interface token is discarded. */
06498       AST_APP_ARG(ext); /* extension token */
06499       AST_APP_ARG(opts);   /* options token */
06500    );
06501 
06502    if (!ast) {
06503       ast_log(LOG_WARNING, " --> ! misdn_call called on ast_channel *ast where ast == NULL\n");
06504       return -1;
06505    }
06506 
06507    if (((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) || !dest) {
06508       ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
06509       ast->hangupcause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
06510       ast_setstate(ast, AST_STATE_DOWN);
06511       return -1;
06512    }
06513 
06514    ch = MISDN_ASTERISK_TECH_PVT(ast);
06515    if (!ch) {
06516       ast_log(LOG_WARNING, " --> ! misdn_call called on %s, chan_list *ch==NULL\n", ast->name);
06517       ast->hangupcause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
06518       ast_setstate(ast, AST_STATE_DOWN);
06519       return -1;
06520    }
06521 
06522    newbc = ch->bc;
06523    if (!newbc) {
06524       ast_log(LOG_WARNING, " --> ! misdn_call called on %s, newbc==NULL\n", ast->name);
06525       ast->hangupcause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
06526       ast_setstate(ast, AST_STATE_DOWN);
06527       return -1;
06528    }
06529 
06530    port = newbc->port;
06531 
06532 #if defined(AST_MISDN_ENHANCEMENTS)
06533    if ((ch->peer = misdn_cc_caller_get(ast))) {
06534       chan_misdn_log(3, port, " --> Found CC caller data, peer:%s\n",
06535          ch->peer->chan ? "available" : "NULL");
06536    }
06537 
06538    if (ch->record_id != -1) {
06539       struct misdn_cc_record *cc_record;
06540 
06541       /* This is a call completion retry call */
06542       AST_LIST_LOCK(&misdn_cc_records_db);
06543       cc_record = misdn_cc_find_by_id(ch->record_id);
06544       if (!cc_record) {
06545          AST_LIST_UNLOCK(&misdn_cc_records_db);
06546          ast_log(LOG_WARNING, " --> ! misdn_call called on %s, cc_record==NULL\n", ast->name);
06547          ast->hangupcause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
06548          ast_setstate(ast, AST_STATE_DOWN);
06549          return -1;
06550       }
06551 
06552       /* Setup calling parameters to retry the call. */
06553       newbc->dialed = cc_record->redial.dialed;
06554       newbc->caller = cc_record->redial.caller;
06555       memset(&newbc->redirecting, 0, sizeof(newbc->redirecting));
06556       newbc->capability = cc_record->redial.capability;
06557       newbc->hdlc = cc_record->redial.hdlc;
06558       newbc->sending_complete = 1;
06559 
06560       if (cc_record->ptp) {
06561          newbc->fac_out.Function = Fac_CCBS_T_Call;
06562          newbc->fac_out.u.CCBS_T_Call.InvokeID = ++misdn_invoke_id;
06563       } else {
06564          newbc->fac_out.Function = Fac_CCBSCall;
06565          newbc->fac_out.u.CCBSCall.InvokeID = ++misdn_invoke_id;
06566          newbc->fac_out.u.CCBSCall.CCBSReference = cc_record->mode.ptmp.reference_id;
06567       }
06568       AST_LIST_UNLOCK(&misdn_cc_records_db);
06569 
06570       ast_copy_string(ast->exten, newbc->dialed.number, sizeof(ast->exten));
06571 
06572       chan_misdn_log(1, port, "* Call completion to: %s\n", newbc->dialed.number);
06573       chan_misdn_log(2, port, " --> * tech:%s context:%s\n", ast->name, ast->context);
06574    } else
06575 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06576    {
06577       /*
06578        * dest is ---v
06579        * Dial(mISDN/g:group_name[/extension[/options]])
06580        * Dial(mISDN/port[:preselected_channel][/extension[/options]])
06581        *
06582        * The dial extension could be empty if you are using MISDN_KEYPAD
06583        * to control ISDN provider features.
06584        */
06585       dest_cp = ast_strdupa(dest);
06586       AST_NONSTANDARD_APP_ARGS(args, dest_cp, '/');
06587       if (!args.ext) {
06588          args.ext = "";
06589       }
06590 
06591       chan_misdn_log(1, port, "* CALL: %s\n", dest);
06592       chan_misdn_log(2, port, " --> * dialed:%s tech:%s context:%s\n", args.ext, ast->name, ast->context);
06593 
06594       ast_copy_string(ast->exten, args.ext, sizeof(ast->exten));
06595       ast_copy_string(newbc->dialed.number, args.ext, sizeof(newbc->dialed.number));
06596 
06597       if (ast_strlen_zero(newbc->caller.name)
06598          && ast->connected.id.name.valid
06599          && !ast_strlen_zero(ast->connected.id.name.str)) {
06600          ast_copy_string(newbc->caller.name, ast->connected.id.name.str, sizeof(newbc->caller.name));
06601          chan_misdn_log(3, port, " --> * set caller:\"%s\" <%s>\n", newbc->caller.name, newbc->caller.number);
06602       }
06603       if (ast_strlen_zero(newbc->caller.number)
06604          && ast->connected.id.number.valid
06605          && !ast_strlen_zero(ast->connected.id.number.str)) {
06606          ast_copy_string(newbc->caller.number, ast->connected.id.number.str, sizeof(newbc->caller.number));
06607          chan_misdn_log(3, port, " --> * set caller:\"%s\" <%s>\n", newbc->caller.name, newbc->caller.number);
06608       }
06609 
06610       misdn_cfg_get(port, MISDN_CFG_APPEND_MSN_TO_CALLERID_TAG, &append_msn, sizeof(append_msn));
06611       if (append_msn) {
06612          strncat(newbc->incoming_cid_tag, "_", sizeof(newbc->incoming_cid_tag) - strlen(newbc->incoming_cid_tag) - 1);
06613          strncat(newbc->incoming_cid_tag, newbc->caller.number, sizeof(newbc->incoming_cid_tag) - strlen(newbc->incoming_cid_tag) - 1);
06614       }
06615 
06616       ast->caller.id.tag = ast_strdup(newbc->incoming_cid_tag);
06617 
06618       misdn_cfg_get(port, MISDN_CFG_LOCALDIALPLAN, &number_type, sizeof(number_type));
06619       if (number_type < 0) {
06620          if (ast->connected.id.number.valid) {
06621             newbc->caller.number_type = ast_to_misdn_ton(ast->connected.id.number.plan);
06622             newbc->caller.number_plan = ast_to_misdn_plan(ast->connected.id.number.plan);
06623          } else {
06624             newbc->caller.number_type = NUMTYPE_UNKNOWN;
06625             newbc->caller.number_plan = NUMPLAN_ISDN;
06626          }
06627       } else {
06628          /* Force us to send in SETUP message */
06629          newbc->caller.number_type = number_type;
06630          newbc->caller.number_plan = NUMPLAN_ISDN;
06631       }
06632       debug_numtype(port, newbc->caller.number_type, "LTON");
06633 
06634       newbc->capability = ast->transfercapability;
06635       pbx_builtin_setvar_helper(ast, "TRANSFERCAPABILITY", ast_transfercapability2str(newbc->capability));
06636       if (ast->transfercapability == INFO_CAPABILITY_DIGITAL_UNRESTRICTED) {
06637          chan_misdn_log(2, port, " --> * Call with flag Digital\n");
06638       }
06639 
06640       /* update caller screening and presentation */
06641       update_config(ch);
06642 
06643       /* fill in some ies from channel dialplan variables */
06644       import_ch(ast, newbc, ch);
06645 
06646       /* Finally The Options Override Everything */
06647       if (!ast_strlen_zero(args.opts)) {
06648          misdn_set_opt_exec(ast, args.opts);
06649       } else {
06650          chan_misdn_log(2, port, "NO OPTS GIVEN\n");
06651       }
06652       if (newbc->set_presentation) {
06653          newbc->caller.presentation = newbc->presentation;
06654       }
06655 
06656       misdn_copy_redirecting_from_ast(newbc, ast);
06657       switch (newbc->outgoing_colp) {
06658       case 1:/* restricted */
06659       case 2:/* blocked */
06660          newbc->redirecting.from.presentation = 1;/* restricted */
06661          break;
06662       default:
06663          break;
06664       }
06665 #if defined(AST_MISDN_ENHANCEMENTS)
06666       if (newbc->redirecting.from.number[0] && misdn_lib_is_ptp(port)) {
06667          if (newbc->redirecting.count < 1) {
06668             newbc->redirecting.count = 1;
06669          }
06670 
06671          /* Create DivertingLegInformation2 facility */
06672          newbc->fac_out.Function = Fac_DivertingLegInformation2;
06673          newbc->fac_out.u.DivertingLegInformation2.InvokeID = ++misdn_invoke_id;
06674          newbc->fac_out.u.DivertingLegInformation2.DivertingPresent = 1;
06675          misdn_PresentedNumberUnscreened_fill(
06676             &newbc->fac_out.u.DivertingLegInformation2.Diverting,
06677             &newbc->redirecting.from);
06678          switch (newbc->outgoing_colp) {
06679          case 2:/* blocked */
06680             /* Block the number going out */
06681             newbc->fac_out.u.DivertingLegInformation2.Diverting.Type = 1;/* presentationRestricted */
06682 
06683             /* Don't tell about any previous diversions or why for that matter. */
06684             newbc->fac_out.u.DivertingLegInformation2.DiversionCounter = 1;
06685             newbc->fac_out.u.DivertingLegInformation2.DiversionReason = 0;/* unknown */
06686             break;
06687          default:
06688             newbc->fac_out.u.DivertingLegInformation2.DiversionCounter =
06689                newbc->redirecting.count;
06690             newbc->fac_out.u.DivertingLegInformation2.DiversionReason =
06691                misdn_to_diversion_reason(newbc->redirecting.reason);
06692             break;
06693          }
06694          newbc->fac_out.u.DivertingLegInformation2.OriginalCalledPresent = 0;
06695          if (1 < newbc->fac_out.u.DivertingLegInformation2.DiversionCounter) {
06696             newbc->fac_out.u.DivertingLegInformation2.OriginalCalledPresent = 1;
06697             newbc->fac_out.u.DivertingLegInformation2.OriginalCalled.Type = 2;/* numberNotAvailableDueToInterworking */
06698          }
06699 
06700          /*
06701           * Expect a DivertingLegInformation3 to update the COLR of the
06702           * redirecting-to party we are attempting to call now.
06703           */
06704          newbc->div_leg_3_rx_wanted = 1;
06705       }
06706 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06707    }
06708 
06709    exceed = add_out_calls(port);
06710    if (exceed != 0) {
06711       char tmp[16];
06712 
06713       snprintf(tmp, sizeof(tmp), "%d", exceed);
06714       pbx_builtin_setvar_helper(ast, "MAX_OVERFLOW", tmp);
06715       ast->hangupcause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE;
06716       ast_setstate(ast, AST_STATE_DOWN);
06717       return -1;
06718    }
06719 
06720 #if defined(AST_MISDN_ENHANCEMENTS)
06721    if (newbc->fac_out.Function != Fac_None) {
06722       print_facility(&newbc->fac_out, newbc);
06723    }
06724 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06725    r = misdn_lib_send_event(newbc, EVENT_SETUP);
06726 
06727    /** we should have l3id after sending setup **/
06728    ch->l3id = newbc->l3_id;
06729 
06730    if (r == -ENOCHAN) {
06731       chan_misdn_log(0, port, " --> * Theres no Channel at the moment .. !\n");
06732       chan_misdn_log(1, port, " --> * SEND: State Down pid:%d\n", newbc ? newbc->pid : -1);
06733       ast->hangupcause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION;
06734       ast_setstate(ast, AST_STATE_DOWN);
06735       return -1;
06736    }
06737 
06738    chan_misdn_log(2, port, " --> * SEND: State Dialing pid:%d\n", newbc ? newbc->pid : 1);
06739 
06740    ast_setstate(ast, AST_STATE_DIALING);
06741    ast->hangupcause = AST_CAUSE_NORMAL_CLEARING;
06742 
06743    if (newbc->nt) {
06744       stop_bc_tones(ch);
06745    }
06746 
06747    ch->state = MISDN_CALLING;
06748 
06749    return 0;
06750 }
06751 
06752 
06753 static int misdn_answer(struct ast_channel *ast)
06754 {
06755    struct chan_list *p;
06756    const char *tmp;
06757 
06758    if (!ast || !(p = MISDN_ASTERISK_TECH_PVT(ast))) {
06759       return -1;
06760    }
06761 
06762    chan_misdn_log(1, p ? (p->bc ? p->bc->port : 0) : 0, "* ANSWER:\n");
06763 
06764    if (!p) {
06765       ast_log(LOG_WARNING, " --> Channel not connected ??\n");
06766       ast_queue_hangup_with_cause(ast, AST_CAUSE_NETWORK_OUT_OF_ORDER);
06767    }
06768 
06769    if (!p->bc) {
06770       chan_misdn_log(1, 0, " --> Got Answer, but there is no bc obj ??\n");
06771 
06772       ast_queue_hangup_with_cause(ast, AST_CAUSE_PROTOCOL_ERROR);
06773    }
06774 
06775    ast_channel_lock(ast);
06776    tmp = pbx_builtin_getvar_helper(ast, "CRYPT_KEY");
06777    if (!ast_strlen_zero(tmp)) {
06778       chan_misdn_log(1, p->bc->port, " --> Connection will be BF crypted\n");
06779       ast_copy_string(p->bc->crypt_key, tmp, sizeof(p->bc->crypt_key));
06780    } else {
06781       chan_misdn_log(3, p->bc->port, " --> Connection is without BF encryption\n");
06782    }
06783 
06784    tmp = pbx_builtin_getvar_helper(ast, "MISDN_DIGITAL_TRANS");
06785    if (!ast_strlen_zero(tmp) && ast_true(tmp)) {
06786       chan_misdn_log(1, p->bc->port, " --> Connection is transparent digital\n");
06787       p->bc->nodsp = 1;
06788       p->bc->hdlc = 0;
06789       p->bc->nojitter = 1;
06790    }
06791    ast_channel_unlock(ast);
06792 
06793    p->state = MISDN_CONNECTED;
06794    stop_indicate(p);
06795 
06796    if (ast_strlen_zero(p->bc->connected.number)) {
06797       chan_misdn_log(2,p->bc->port," --> empty connected number using dialed number\n");
06798       ast_copy_string(p->bc->connected.number, p->bc->dialed.number, sizeof(p->bc->connected.number));
06799 
06800       /*
06801        * Use the misdn_set_opt() application to set the presentation
06802        * before we answer or you can use the CONECTEDLINE() function
06803        * to set everything before using the Answer() application.
06804        */
06805       p->bc->connected.presentation = p->bc->presentation;
06806       p->bc->connected.screening = 0;  /* unscreened */
06807       p->bc->connected.number_type = p->bc->dialed.number_type;
06808       p->bc->connected.number_plan = p->bc->dialed.number_plan;
06809    }
06810 
06811    switch (p->bc->outgoing_colp) {
06812    case 1:/* restricted */
06813    case 2:/* blocked */
06814       p->bc->connected.presentation = 1;/* restricted */
06815       break;
06816    default:
06817       break;
06818    }
06819 
06820 #if defined(AST_MISDN_ENHANCEMENTS)
06821    if (p->bc->div_leg_3_tx_pending) {
06822       p->bc->div_leg_3_tx_pending = 0;
06823 
06824       /* Send DivertingLegInformation3 */
06825       p->bc->fac_out.Function = Fac_DivertingLegInformation3;
06826       p->bc->fac_out.u.DivertingLegInformation3.InvokeID = ++misdn_invoke_id;
06827       p->bc->fac_out.u.DivertingLegInformation3.PresentationAllowedIndicator =
06828          (p->bc->connected.presentation == 0) ? 1 : 0;
06829       print_facility(&p->bc->fac_out, p->bc);
06830    }
06831 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
06832    misdn_lib_send_event(p->bc, EVENT_CONNECT);
06833    start_bc_tones(p);
06834 
06835    return 0;
06836 }
06837 
06838 static int misdn_digit_begin(struct ast_channel *chan, char digit)
06839 {
06840    /* XXX Modify this callback to support Asterisk controlling the length of DTMF */
06841    return 0;
06842 }
06843 
06844 static int misdn_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
06845 {
06846    struct chan_list *p;
06847    struct misdn_bchannel *bc;
06848    char buf[2] = { digit, 0 };
06849 
06850    if (!ast || !(p = MISDN_ASTERISK_TECH_PVT(ast))) {
06851       return -1;
06852    }
06853 
06854    bc = p->bc;
06855    chan_misdn_log(1, bc ? bc->port : 0, "* IND : Digit %c\n", digit);
06856 
06857    if (!bc) {
06858       ast_log(LOG_WARNING, " --> !! Got Digit Event without having bchannel Object\n");
06859       return -1;
06860    }
06861 
06862    switch (p->state) {
06863    case MISDN_CALLING:
06864       if (strlen(bc->infos_pending) < sizeof(bc->infos_pending) - 1) {
06865          strncat(bc->infos_pending, buf, sizeof(bc->infos_pending) - strlen(bc->infos_pending) - 1);
06866       }
06867       break;
06868    case MISDN_CALLING_ACKNOWLEDGE:
06869       ast_copy_string(bc->info_dad, buf, sizeof(bc->info_dad));
06870       if (strlen(bc->dialed.number) < sizeof(bc->dialed.number) - 1) {
06871          strncat(bc->dialed.number, buf, sizeof(bc->dialed.number) - strlen(bc->dialed.number) - 1);
06872       }
06873       ast_copy_string(p->ast->exten, bc->dialed.number, sizeof(p->ast->exten));
06874       misdn_lib_send_event(bc, EVENT_INFORMATION);
06875       break;
06876    default:
06877       if (bc->send_dtmf) {
06878          send_digit_to_chan(p, digit);
06879       }
06880       break;
06881    }
06882 
06883    return 0;
06884 }
06885 
06886 
06887 static int misdn_fixup(struct ast_channel *oldast, struct ast_channel *ast)
06888 {
06889    struct chan_list *p;
06890 
06891    if (!ast || !(p = MISDN_ASTERISK_TECH_PVT(ast))) {
06892       return -1;
06893    }
06894 
06895    chan_misdn_log(1, p->bc ? p->bc->port : 0, "* IND: Got Fixup State:%s L3id:%x\n", misdn_get_ch_state(p), p->l3id);
06896 
06897    p->ast = ast;
06898 
06899    return 0;
06900 }
06901 
06902 
06903 
06904 static int misdn_indication(struct ast_channel *ast, int cond, const void *data, size_t datalen)
06905 {
06906    struct chan_list *p;
06907 
06908    if (!ast || !(p = MISDN_ASTERISK_TECH_PVT(ast))) {
06909       ast_log(LOG_WARNING, "Returned -1 in misdn_indication\n");
06910       return -1;
06911    }
06912 
06913    if (!p->bc) {
06914       if (p->hold.state == MISDN_HOLD_IDLE) {
06915          chan_misdn_log(1, 0, "* IND : Indication [%d] ignored on %s\n", cond,
06916             ast->name);
06917          ast_log(LOG_WARNING, "Private Pointer but no bc ?\n");
06918       } else {
06919          chan_misdn_log(1, 0, "* IND : Indication [%d] ignored on hold %s\n",
06920             cond, ast->name);
06921       }
06922       return -1;
06923    }
06924 
06925    chan_misdn_log(5, p->bc->port, "* IND : Indication [%d] on %s\n\n", cond, ast->name);
06926 
06927    switch (cond) {
06928    case AST_CONTROL_BUSY:
06929       chan_misdn_log(1, p->bc->port, "* IND :\tbusy pid:%d\n", p->bc->pid);
06930       ast_setstate(ast, AST_STATE_BUSY);
06931 
06932       p->bc->out_cause = AST_CAUSE_USER_BUSY;
06933       if (p->state != MISDN_CONNECTED) {
06934          start_bc_tones(p);
06935          misdn_lib_send_event(p->bc, EVENT_DISCONNECT);
06936       }
06937       return -1;
06938    case AST_CONTROL_RING:
06939       chan_misdn_log(1, p->bc->port, "* IND :\tring pid:%d\n", p->bc->pid);
06940       return -1;
06941    case AST_CONTROL_RINGING:
06942       chan_misdn_log(1, p->bc->port, "* IND :\tringing pid:%d\n", p->bc->pid);
06943       switch (p->state) {
06944       case MISDN_ALERTING:
06945          chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d but I was Ringing before, so ignoring it\n", p->bc->pid);
06946          break;
06947       case MISDN_CONNECTED:
06948          chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d but Connected, so just send TONE_ALERTING without state changes \n", p->bc->pid);
06949          return -1;
06950       default:
06951          p->state = MISDN_ALERTING;
06952          chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d\n", p->bc->pid);
06953          misdn_lib_send_event(p->bc, EVENT_ALERTING);
06954 
06955          chan_misdn_log(3, p->bc->port, " --> * SEND: State Ring pid:%d\n", p->bc->pid);
06956          ast_setstate(ast, AST_STATE_RING);
06957 
06958          if (!p->bc->nt && (p->originator == ORG_MISDN) && !p->incoming_early_audio) {
06959             chan_misdn_log(2, p->bc->port, " --> incoming_early_audio off\n");
06960          } else {
06961             return -1;
06962          }
06963       }
06964       break;
06965    case AST_CONTROL_ANSWER:
06966       chan_misdn_log(1, p->bc->port, " --> * IND :\tanswer pid:%d\n", p->bc->pid);
06967       start_bc_tones(p);
06968       break;
06969    case AST_CONTROL_TAKEOFFHOOK:
06970       chan_misdn_log(1, p->bc->port, " --> *\ttakeoffhook pid:%d\n", p->bc->pid);
06971       return -1;
06972    case AST_CONTROL_OFFHOOK:
06973       chan_misdn_log(1, p->bc->port, " --> *\toffhook pid:%d\n", p->bc->pid);
06974       return -1;
06975    case AST_CONTROL_FLASH:
06976       chan_misdn_log(1, p->bc->port, " --> *\tflash pid:%d\n", p->bc->pid);
06977       break;
06978    case AST_CONTROL_PROGRESS:
06979       chan_misdn_log(1, p->bc->port, " --> * IND :\tprogress pid:%d\n", p->bc->pid);
06980       misdn_lib_send_event(p->bc, EVENT_PROGRESS);
06981       break;
06982    case AST_CONTROL_PROCEEDING:
06983       chan_misdn_log(1, p->bc->port, " --> * IND :\tproceeding pid:%d\n", p->bc->pid);
06984       misdn_lib_send_event(p->bc, EVENT_PROCEEDING);
06985       break;
06986    case AST_CONTROL_INCOMPLETE:
06987       chan_misdn_log(1, p->bc->port, " --> *\tincomplete pid:%d\n", p->bc->pid);
06988       if (!p->overlap_dial) {
06989          /* Overlapped dialing not enabled - send hangup */
06990          p->bc->out_cause = AST_CAUSE_INVALID_NUMBER_FORMAT;
06991          start_bc_tones(p);
06992          misdn_lib_send_event(p->bc, EVENT_DISCONNECT);
06993 
06994          if (p->bc->nt) {
06995             hanguptone_indicate(p);
06996          }
06997       }
06998       break;
06999    case AST_CONTROL_CONGESTION:
07000       chan_misdn_log(1, p->bc->port, " --> * IND :\tcongestion pid:%d\n", p->bc->pid);
07001 
07002       p->bc->out_cause = AST_CAUSE_SWITCH_CONGESTION;
07003       start_bc_tones(p);
07004       misdn_lib_send_event(p->bc, EVENT_DISCONNECT);
07005 
07006       if (p->bc->nt) {
07007          hanguptone_indicate(p);
07008       }
07009       break;
07010    case -1 :
07011       chan_misdn_log(1, p->bc->port, " --> * IND :\t-1! (stop indication) pid:%d\n", p->bc->pid);
07012 
07013       stop_indicate(p);
07014 
07015       if (p->state == MISDN_CONNECTED) {
07016          start_bc_tones(p);
07017       }
07018       break;
07019    case AST_CONTROL_HOLD:
07020       ast_moh_start(ast, data, p->mohinterpret);
07021       chan_misdn_log(1, p->bc->port, " --> *\tHOLD pid:%d\n", p->bc->pid);
07022       break;
07023    case AST_CONTROL_UNHOLD:
07024       ast_moh_stop(ast);
07025       chan_misdn_log(1, p->bc->port, " --> *\tUNHOLD pid:%d\n", p->bc->pid);
07026       break;
07027    case AST_CONTROL_CONNECTED_LINE:
07028       chan_misdn_log(1, p->bc->port, "* IND :\tconnected line update pid:%d\n", p->bc->pid);
07029       misdn_update_connected_line(ast, p->bc, p->originator);
07030       break;
07031    case AST_CONTROL_REDIRECTING:
07032       chan_misdn_log(1, p->bc->port, "* IND :\tredirecting info update pid:%d\n", p->bc->pid);
07033       misdn_update_redirecting(ast, p->bc, p->originator);
07034       break;
07035    default:
07036       chan_misdn_log(1, p->bc->port, " --> * Unknown Indication:%d pid:%d\n", cond, p->bc->pid);
07037       return -1;
07038    }
07039 
07040    return 0;
07041 }
07042 
07043 static int misdn_hangup(struct ast_channel *ast)
07044 {
07045    struct chan_list *p;
07046    struct misdn_bchannel *bc;
07047    const char *var;
07048 
07049    if (!ast) {
07050       return -1;
07051    }
07052 
07053    ast_debug(1, "misdn_hangup(%s)\n", ast->name);
07054 
07055    /* Take the ast_channel's tech_pvt reference. */
07056    ast_mutex_lock(&release_lock);
07057    p = MISDN_ASTERISK_TECH_PVT(ast);
07058    if (!p) {
07059       ast_mutex_unlock(&release_lock);
07060       return -1;
07061    }
07062    MISDN_ASTERISK_TECH_PVT(ast) = NULL;
07063 
07064    if (!misdn_chan_is_valid(p)) {
07065       ast_mutex_unlock(&release_lock);
07066       chan_list_unref(p, "Release ast_channel reference.  Was not active?");
07067       return 0;
07068    }
07069 
07070    if (p->hold.state == MISDN_HOLD_IDLE) {
07071       bc = p->bc;
07072    } else {
07073       p->hold.state = MISDN_HOLD_DISCONNECT;
07074       bc = misdn_lib_find_held_bc(p->hold.port, p->l3id);
07075       if (!bc) {
07076          chan_misdn_log(4, p->hold.port,
07077             "misdn_hangup: Could not find held bc for (%s)\n", ast->name);
07078          release_chan_early(p);
07079          ast_mutex_unlock(&release_lock);
07080          chan_list_unref(p, "Release ast_channel reference");
07081          return 0;
07082       }
07083    }
07084 
07085    if (ast->_state == AST_STATE_RESERVED || p->state == MISDN_NOTHING) {
07086       /* between request and call */
07087       ast_debug(1, "State Reserved (or nothing) => chanIsAvail\n");
07088       release_chan_early(p);
07089       if (bc) {
07090          misdn_lib_release(bc);
07091       }
07092       ast_mutex_unlock(&release_lock);
07093       chan_list_unref(p, "Release ast_channel reference");
07094       return 0;
07095    }
07096    if (!bc) {
07097       ast_log(LOG_WARNING, "Hangup with private but no bc ? state:%s l3id:%x\n",
07098          misdn_get_ch_state(p), p->l3id);
07099       release_chan_early(p);
07100       ast_mutex_unlock(&release_lock);
07101       chan_list_unref(p, "Release ast_channel reference");
07102       return 0;
07103    }
07104 
07105    p->ast = NULL;
07106    p->need_hangup = 0;
07107    p->need_queue_hangup = 0;
07108    p->need_busy = 0;
07109 
07110    if (!bc->nt) {
07111       stop_bc_tones(p);
07112    }
07113 
07114    bc->out_cause = ast->hangupcause ? ast->hangupcause : AST_CAUSE_NORMAL_CLEARING;
07115 
07116    /* Channel lock is already held when we are called. */
07117    //ast_channel_lock(ast);
07118    var = pbx_builtin_getvar_helper(ast, "HANGUPCAUSE");
07119    if (!var) {
07120       var = pbx_builtin_getvar_helper(ast, "PRI_CAUSE");
07121    }
07122    if (var) {
07123       int tmpcause;
07124 
07125       tmpcause = atoi(var);
07126       bc->out_cause = tmpcause ? tmpcause : AST_CAUSE_NORMAL_CLEARING;
07127    }
07128 
07129    var = pbx_builtin_getvar_helper(ast, "MISDN_USERUSER");
07130    if (var) {
07131       ast_log(LOG_NOTICE, "MISDN_USERUSER: %s\n", var);
07132       ast_copy_string(bc->uu, var, sizeof(bc->uu));
07133       bc->uulen = strlen(bc->uu);
07134    }
07135    //ast_channel_unlock(ast);
07136 
07137    chan_misdn_log(1, bc->port,
07138       "* IND : HANGUP\tpid:%d context:%s dialed:%s caller:\"%s\" <%s> State:%s\n",
07139       bc->pid,
07140       ast->context,
07141       ast->exten,
07142       (ast->caller.id.name.valid && ast->caller.id.name.str)
07143          ? ast->caller.id.name.str : "",
07144       (ast->caller.id.number.valid && ast->caller.id.number.str)
07145          ? ast->caller.id.number.str : "",
07146       misdn_get_ch_state(p));
07147    chan_misdn_log(3, bc->port, " --> l3id:%x\n", p->l3id);
07148    chan_misdn_log(3, bc->port, " --> cause:%d\n", bc->cause);
07149    chan_misdn_log(2, bc->port, " --> out_cause:%d\n", bc->out_cause);
07150 
07151    switch (p->state) {
07152    case MISDN_INCOMING_SETUP:
07153       /*
07154        * This is the only place in misdn_hangup, where we
07155        * can call release_chan, else it might create a lot of trouble.
07156        */
07157       ast_log(LOG_NOTICE, "release channel, in INCOMING_SETUP state.. no other events happened\n");
07158       release_chan(p, bc);
07159       misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
07160       ast_mutex_unlock(&release_lock);
07161       chan_list_unref(p, "Release ast_channel reference");
07162       return 0;
07163    case MISDN_DIALING:
07164       if (p->hold.state == MISDN_HOLD_IDLE) {
07165          start_bc_tones(p);
07166          hanguptone_indicate(p);
07167       }
07168 
07169       if (bc->need_disconnect) {
07170          misdn_lib_send_event(bc, EVENT_DISCONNECT);
07171       }
07172       break;
07173    case MISDN_CALLING_ACKNOWLEDGE:
07174       if (p->hold.state == MISDN_HOLD_IDLE) {
07175          start_bc_tones(p);
07176          hanguptone_indicate(p);
07177       }
07178 
07179       if (bc->need_disconnect) {
07180          misdn_lib_send_event(bc, EVENT_DISCONNECT);
07181       }
07182       break;
07183 
07184    case MISDN_CALLING:
07185    case MISDN_ALERTING:
07186    case MISDN_PROGRESS:
07187    case MISDN_PROCEEDING:
07188       if (p->originator != ORG_AST && p->hold.state == MISDN_HOLD_IDLE) {
07189          hanguptone_indicate(p);
07190       }
07191 
07192       if (bc->need_disconnect) {
07193          misdn_lib_send_event(bc, EVENT_DISCONNECT);
07194       }
07195       break;
07196    case MISDN_CONNECTED:
07197       /*  Alerting or Disconnect */
07198       if (bc->nt && p->hold.state == MISDN_HOLD_IDLE) {
07199          start_bc_tones(p);
07200          hanguptone_indicate(p);
07201          bc->progress_indicator = INFO_PI_INBAND_AVAILABLE;
07202       }
07203       if (bc->need_disconnect) {
07204          misdn_lib_send_event(bc, EVENT_DISCONNECT);
07205       }
07206       break;
07207    case MISDN_DISCONNECTED:
07208       if (bc->need_release) {
07209          misdn_lib_send_event(bc, EVENT_RELEASE);
07210       }
07211       break;
07212 
07213    case MISDN_CLEANING:
07214       ast_mutex_unlock(&release_lock);
07215       chan_list_unref(p, "Release ast_channel reference");
07216       return 0;
07217 
07218    case MISDN_BUSY:
07219       break;
07220    default:
07221       if (bc->nt) {
07222          bc->out_cause = -1;
07223          if (bc->need_release) {
07224             misdn_lib_send_event(bc, EVENT_RELEASE);
07225          }
07226       } else {
07227          if (bc->need_disconnect) {
07228             misdn_lib_send_event(bc, EVENT_DISCONNECT);
07229          }
07230       }
07231       break;
07232    }
07233 
07234    p->state = MISDN_CLEANING;
07235    chan_misdn_log(3, bc->port, " --> Channel: %s hungup new state:%s\n", ast->name,
07236       misdn_get_ch_state(p));
07237 
07238    ast_mutex_unlock(&release_lock);
07239    chan_list_unref(p, "Release ast_channel reference");
07240    return 0;
07241 }
07242 
07243 
07244 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame)
07245 {
07246    struct ast_frame *f;
07247 
07248    if (tmp->dsp) {
07249       f = ast_dsp_process(tmp->ast, tmp->dsp, frame);
07250    } else {
07251       chan_misdn_log(0, tmp->bc->port, "No DSP-Path found\n");
07252       return NULL;
07253    }
07254 
07255    if (!f || (f->frametype != AST_FRAME_DTMF)) {
07256       return f;
07257    }
07258 
07259    ast_debug(1, "Detected inband DTMF digit: %c\n", f->subclass.integer);
07260 
07261    if (tmp->faxdetect && (f->subclass.integer == 'f')) {
07262       /* Fax tone -- Handle and return NULL */
07263       if (!tmp->faxhandled) {
07264          struct ast_channel *ast = tmp->ast;
07265          tmp->faxhandled++;
07266          chan_misdn_log(0, tmp->bc->port, "Fax detected, preparing %s for fax transfer.\n", ast->name);
07267          tmp->bc->rxgain = 0;
07268          isdn_lib_update_rxgain(tmp->bc);
07269          tmp->bc->txgain = 0;
07270          isdn_lib_update_txgain(tmp->bc);
07271 #ifdef MISDN_1_2
07272          *tmp->bc->pipeline = 0;
07273 #else
07274          tmp->bc->ec_enable = 0;
07275 #endif
07276          isdn_lib_update_ec(tmp->bc);
07277          isdn_lib_stop_dtmf(tmp->bc);
07278          switch (tmp->faxdetect) {
07279          case 1:
07280             if (strcmp(ast->exten, "fax")) {
07281                char *context;
07282                char context_tmp[BUFFERSIZE];
07283                misdn_cfg_get(tmp->bc->port, MISDN_CFG_FAXDETECT_CONTEXT, &context_tmp, sizeof(context_tmp));
07284                context = ast_strlen_zero(context_tmp) ? (ast_strlen_zero(ast->macrocontext) ? ast->context : ast->macrocontext) : context_tmp;
07285                if (ast_exists_extension(ast, context, "fax", 1,
07286                   S_COR(ast->caller.id.number.valid, ast->caller.id.number.str, NULL))) {
07287                   ast_verb(3, "Redirecting %s to fax extension (context:%s)\n", ast->name, context);
07288                   /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */
07289                   pbx_builtin_setvar_helper(ast,"FAXEXTEN",ast->exten);
07290                   if (ast_async_goto(ast, context, "fax", 1)) {
07291                      ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", ast->name, context);
07292                   }
07293                } else {
07294                   ast_log(LOG_NOTICE, "Fax detected but no fax extension, context:%s exten:%s\n", context, ast->exten);
07295                }
07296             } else {
07297                ast_debug(1, "Already in a fax extension, not redirecting\n");
07298             }
07299             break;
07300          case 2:
07301             ast_verb(3, "Not redirecting %s to fax extension, nojump is set.\n", ast->name);
07302             break;
07303          default:
07304             break;
07305          }
07306       } else {
07307          ast_debug(1, "Fax already handled\n");
07308       }
07309    }
07310 
07311    if (tmp->ast_dsp && (f->subclass.integer != 'f')) {
07312       chan_misdn_log(2, tmp->bc->port, " --> * SEND: DTMF (AST_DSP) :%c\n", f->subclass.integer);
07313    }
07314 
07315    return f;
07316 }
07317 
07318 
07319 static struct ast_frame *misdn_read(struct ast_channel *ast)
07320 {
07321    struct chan_list *tmp;
07322    int len, t;
07323    struct pollfd pfd = { .fd = -1, .events = POLLIN };
07324 
07325    if (!ast) {
07326       chan_misdn_log(1, 0, "misdn_read called without ast\n");
07327       return NULL;
07328    }
07329    if (!(tmp = MISDN_ASTERISK_TECH_PVT(ast))) {
07330       chan_misdn_log(1, 0, "misdn_read called without ast->pvt\n");
07331       return NULL;
07332    }
07333 
07334    if (!tmp->bc && tmp->hold.state == MISDN_HOLD_IDLE) {
07335       chan_misdn_log(1, 0, "misdn_read called without bc\n");
07336       return NULL;
07337    }
07338 
07339    pfd.fd = tmp->pipe[0];
07340    t = ast_poll(&pfd, 1, 20);
07341 
07342    if (t < 0) {
07343       chan_misdn_log(-1, tmp->bc->port, "poll() error (err=%s)\n", strerror(errno));
07344       return NULL;
07345    }
07346 
07347    if (!t) {
07348       chan_misdn_log(3, tmp->bc->port, "poll() timed out\n");
07349       len = 160;
07350    } else if (pfd.revents & POLLIN) {
07351       len = read(tmp->pipe[0], tmp->ast_rd_buf, sizeof(tmp->ast_rd_buf));
07352 
07353       if (len <= 0) {
07354          /* we hangup here, since our pipe is closed */
07355          chan_misdn_log(2, tmp->bc->port, "misdn_read: Pipe closed, hanging up\n");
07356          return NULL;
07357       }
07358    } else {
07359       return NULL;
07360    }
07361 
07362    tmp->frame.frametype = AST_FRAME_VOICE;
07363    tmp->frame.subclass.codec = AST_FORMAT_ALAW;
07364    tmp->frame.datalen = len;
07365    tmp->frame.samples = len;
07366    tmp->frame.mallocd = 0;
07367    tmp->frame.offset = 0;
07368    tmp->frame.delivery = ast_tv(0, 0);
07369    tmp->frame.src = NULL;
07370    tmp->frame.data.ptr = tmp->ast_rd_buf;
07371 
07372    if (tmp->faxdetect && !tmp->faxhandled) {
07373       if (tmp->faxdetect_timeout) {
07374          if (ast_tvzero(tmp->faxdetect_tv)) {
07375             tmp->faxdetect_tv = ast_tvnow();
07376             chan_misdn_log(2, tmp->bc->port, "faxdetect: starting detection with timeout: %ds ...\n", tmp->faxdetect_timeout);
07377             return process_ast_dsp(tmp, &tmp->frame);
07378          } else {
07379             struct timeval tv_now = ast_tvnow();
07380             int diff = ast_tvdiff_ms(tv_now, tmp->faxdetect_tv);
07381             if (diff <= (tmp->faxdetect_timeout * 1000)) {
07382                chan_misdn_log(5, tmp->bc->port, "faxdetect: detecting ...\n");
07383                return process_ast_dsp(tmp, &tmp->frame);
07384             } else {
07385                chan_misdn_log(2, tmp->bc->port, "faxdetect: stopping detection (time ran out) ...\n");
07386                tmp->faxdetect = 0;
07387                return &tmp->frame;
07388             }
07389          }
07390       } else {
07391          chan_misdn_log(5, tmp->bc->port, "faxdetect: detecting ... (no timeout)\n");
07392          return process_ast_dsp(tmp, &tmp->frame);
07393       }
07394    } else {
07395       if (tmp->ast_dsp) {
07396          return process_ast_dsp(tmp, &tmp->frame);
07397       } else {
07398          return &tmp->frame;
07399       }
07400    }
07401 }
07402 
07403 
07404 static int misdn_write(struct ast_channel *ast, struct ast_frame *frame)
07405 {
07406    struct chan_list *ch;
07407 
07408    if (!ast || !(ch = MISDN_ASTERISK_TECH_PVT(ast))) {
07409       return -1;
07410    }
07411 
07412    if (ch->hold.state != MISDN_HOLD_IDLE) {
07413       chan_misdn_log(7, 0, "misdn_write: Returning because hold active\n");
07414       return 0;
07415    }
07416 
07417    if (!ch->bc) {
07418       ast_log(LOG_WARNING, "private but no bc\n");
07419       return -1;
07420    }
07421 
07422    if (ch->notxtone) {
07423       chan_misdn_log(7, ch->bc->port, "misdn_write: Returning because notxtone\n");
07424       return 0;
07425    }
07426 
07427 
07428    if (!frame->subclass.codec) {
07429       chan_misdn_log(4, ch->bc->port, "misdn_write: * prods us\n");
07430       return 0;
07431    }
07432 
07433    if (!(frame->subclass.codec & prefformat)) {
07434       chan_misdn_log(-1, ch->bc->port, "Got Unsupported Frame with Format:%s\n", ast_getformatname(frame->subclass.codec));
07435       return 0;
07436    }
07437 
07438 
07439    if (!frame->samples) {
07440       chan_misdn_log(4, ch->bc->port, "misdn_write: zero write\n");
07441 
07442       if (!strcmp(frame->src,"ast_prod")) {
07443          chan_misdn_log(1, ch->bc->port, "misdn_write: state (%s) prodded.\n", misdn_get_ch_state(ch));
07444 
07445          if (ch->ts) {
07446             chan_misdn_log(4, ch->bc->port, "Starting Playtones\n");
07447             misdn_lib_tone_generator_start(ch->bc);
07448          }
07449          return 0;
07450       }
07451 
07452       return -1;
07453    }
07454 
07455    if (!ch->bc->addr) {
07456       chan_misdn_log(8, ch->bc->port, "misdn_write: no addr for bc dropping:%d\n", frame->samples);
07457       return 0;
07458    }
07459 
07460 #ifdef MISDN_DEBUG
07461    {
07462       int i;
07463       int max = 5 > frame->samples ? frame->samples : 5;
07464 
07465       ast_debug(1, "write2mISDN %p %d bytes: ", p, frame->samples);
07466 
07467       for (i = 0; i < max; i++) {
07468          ast_debug(1, "%2.2x ", ((char *) frame->data.ptr)[i]);
07469       }
07470    }
07471 #endif
07472 
07473    switch (ch->bc->bc_state) {
07474    case BCHAN_ACTIVATED:
07475    case BCHAN_BRIDGED:
07476       break;
07477    default:
07478       if (!ch->dropped_frame_cnt) {
07479          chan_misdn_log(5, ch->bc->port,
07480             "BC not active (nor bridged) dropping: %d frames addr:%x exten:%s cid:%s ch->state:%s bc_state:%d l3id:%x\n",
07481             frame->samples, ch->bc->addr, ast->exten,
07482             S_COR(ast->caller.id.number.valid, ast->caller.id.number.str, ""),
07483             misdn_get_ch_state(ch), ch->bc->bc_state, ch->bc->l3_id);
07484       }
07485 
07486       if (++ch->dropped_frame_cnt > 100) {
07487          ch->dropped_frame_cnt = 0;
07488          chan_misdn_log(5, ch->bc->port, "BC not active (nor bridged) dropping: %d frames addr:%x  dropped > 100 frames!\n", frame->samples, ch->bc->addr);
07489       }
07490 
07491       return 0;
07492    }
07493 
07494    chan_misdn_log(9, ch->bc->port, "Sending :%d bytes to MISDN\n", frame->samples);
07495    if (!ch->bc->nojitter && misdn_cap_is_speech(ch->bc->capability)) {
07496       /* Buffered Transmit (triggered by read from isdn side)*/
07497       if (misdn_jb_fill(ch->jb, frame->data.ptr, frame->samples) < 0) {
07498          if (ch->bc->active) {
07499             cb_log(0, ch->bc->port, "Misdn Jitterbuffer Overflow.\n");
07500          }
07501       }
07502 
07503    } else {
07504       /* transmit without jitterbuffer */
07505       misdn_lib_tx2misdn_frm(ch->bc, frame->data.ptr, frame->samples);
07506    }
07507 
07508    return 0;
07509 }
07510 
07511 static enum ast_bridge_result misdn_bridge(struct ast_channel *c0,
07512    struct ast_channel *c1, int flags,
07513    struct ast_frame **fo,
07514    struct ast_channel **rc,
07515    int timeoutms)
07516 {
07517    struct chan_list *ch1, *ch2;
07518    struct ast_channel *carr[2], *who;
07519    int to = -1;
07520    struct ast_frame *f;
07521    int p1_b, p2_b;
07522    int bridging;
07523 
07524    ch1 = get_chan_by_ast(c0);
07525    if (!ch1) {
07526       return -1;
07527    }
07528    ch2 = get_chan_by_ast(c1);
07529    if (!ch2) {
07530       chan_list_unref(ch1, "Failed to find ch2");
07531       return -1;
07532    }
07533 
07534    carr[0] = c0;
07535    carr[1] = c1;
07536 
07537    misdn_cfg_get(ch1->bc->port, MISDN_CFG_BRIDGING, &p1_b, sizeof(p1_b));
07538    misdn_cfg_get(ch2->bc->port, MISDN_CFG_BRIDGING, &p2_b, sizeof(p2_b));
07539 
07540    if (! p1_b || ! p2_b) {
07541       ast_log(LOG_NOTICE, "Falling back to Asterisk bridging\n");
07542       chan_list_unref(ch1, "Bridge fallback ch1");
07543       chan_list_unref(ch2, "Bridge fallback ch2");
07544       return AST_BRIDGE_FAILED;
07545    }
07546 
07547    misdn_cfg_get(0, MISDN_GEN_BRIDGING, &bridging, sizeof(bridging));
07548    if (bridging) {
07549       /* trying to make a mISDN_dsp conference */
07550       chan_misdn_log(1, ch1->bc->port, "I SEND: Making conference with Number:%d\n", ch1->bc->pid + 1);
07551       misdn_lib_bridge(ch1->bc, ch2->bc);
07552    }
07553 
07554    ast_verb(3, "Native bridging %s and %s\n", c0->name, c1->name);
07555 
07556    chan_misdn_log(1, ch1->bc->port, "* Making Native Bridge between \"%s\" <%s> and \"%s\" <%s>\n",
07557       ch1->bc->caller.name,
07558       ch1->bc->caller.number,
07559       ch2->bc->caller.name,
07560       ch2->bc->caller.number);
07561 
07562    if (!(flags & AST_BRIDGE_DTMF_CHANNEL_0)) {
07563       ch1->ignore_dtmf = 1;
07564    }
07565 
07566    if (!(flags & AST_BRIDGE_DTMF_CHANNEL_1)) {
07567       ch2->ignore_dtmf = 1;
07568    }
07569 
07570    for (;/*ever*/;) {
07571       to = -1;
07572       who = ast_waitfor_n(carr, 2, &to);
07573 
07574       if (!who) {
07575          ast_log(LOG_NOTICE, "misdn_bridge: empty read, breaking out\n");
07576          break;
07577       }
07578       f = ast_read(who);
07579 
07580       if (!f || f->frametype == AST_FRAME_CONTROL) {
07581          /* got hangup .. */
07582 
07583          if (!f) {
07584             chan_misdn_log(4, ch1->bc->port, "Read Null Frame\n");
07585          } else {
07586             chan_misdn_log(4, ch1->bc->port, "Read Frame Control class:%d\n", f->subclass.integer);
07587          }
07588 
07589          *fo = f;
07590          *rc = who;
07591          break;
07592       }
07593 
07594       if (f->frametype == AST_FRAME_DTMF) {
07595          chan_misdn_log(1, 0, "Read DTMF %d from %s\n", f->subclass.integer, who->exten);
07596 
07597          *fo = f;
07598          *rc = who;
07599          break;
07600       }
07601 
07602 #if 0
07603       if (f->frametype == AST_FRAME_VOICE) {
07604          chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid +1);
07605 
07606          continue;
07607       }
07608 #endif
07609 
07610       ast_write((who == c0) ? c1 : c0, f);
07611    }
07612 
07613    chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid + 1);
07614 
07615    misdn_lib_split_bridge(ch1->bc, ch2->bc);
07616 
07617    chan_list_unref(ch1, "Bridge complete ch1");
07618    chan_list_unref(ch2, "Bridge complete ch2");
07619    return AST_BRIDGE_COMPLETE;
07620 }
07621 
07622 /** AST INDICATIONS END **/
07623 
07624 static int dialtone_indicate(struct chan_list *cl)
07625 {
07626    struct ast_channel *ast = cl->ast;
07627    int nd = 0;
07628 
07629    if (!ast) {
07630       chan_misdn_log(0, cl->bc->port, "No Ast in dialtone_indicate\n");
07631       return -1;
07632    }
07633 
07634    misdn_cfg_get(cl->bc->port, MISDN_CFG_NODIALTONE, &nd, sizeof(nd));
07635 
07636    if (nd) {
07637       chan_misdn_log(1, cl->bc->port, "Not sending Dialtone, because config wants it\n");
07638       return 0;
07639    }
07640 
07641    chan_misdn_log(3, cl->bc->port, " --> Dial\n");
07642 
07643    cl->ts = ast_get_indication_tone(ast->zone, "dial");
07644 
07645    if (cl->ts) {
07646       cl->notxtone = 0;
07647       cl->norxtone = 0;
07648       /* This prods us in misdn_write */
07649       ast_playtones_start(ast, 0, cl->ts->data, 0);
07650    }
07651 
07652    return 0;
07653 }
07654 
07655 static void hanguptone_indicate(struct chan_list *cl)
07656 {
07657    misdn_lib_send_tone(cl->bc, TONE_HANGUP);
07658 }
07659 
07660 static int stop_indicate(struct chan_list *cl)
07661 {
07662    struct ast_channel *ast = cl->ast;
07663 
07664    if (!ast) {
07665       chan_misdn_log(0, cl->bc->port, "No Ast in stop_indicate\n");
07666       return -1;
07667    }
07668 
07669    chan_misdn_log(3, cl->bc->port, " --> None\n");
07670    misdn_lib_tone_generator_stop(cl->bc);
07671    ast_playtones_stop(ast);
07672 
07673    if (cl->ts) {
07674       cl->ts = ast_tone_zone_sound_unref(cl->ts);
07675    }
07676 
07677    return 0;
07678 }
07679 
07680 
07681 static int start_bc_tones(struct chan_list* cl)
07682 {
07683    misdn_lib_tone_generator_stop(cl->bc);
07684    cl->notxtone = 0;
07685    cl->norxtone = 0;
07686    return 0;
07687 }
07688 
07689 static int stop_bc_tones(struct chan_list *cl)
07690 {
07691    if (!cl) {
07692       return -1;
07693    }
07694 
07695    cl->notxtone = 1;
07696    cl->norxtone = 1;
07697 
07698    return 0;
07699 }
07700 
07701 /*!
07702  * \internal
07703  * \brief Destroy the chan_list object.
07704  *
07705  * \param obj chan_list object to destroy.
07706  *
07707  * \return Nothing
07708  */
07709 static void chan_list_destructor(void *obj)
07710 {
07711    struct chan_list *ch = obj;
07712 
07713 #if defined(AST_MISDN_ENHANCEMENTS)
07714    if (ch->peer) {
07715       ao2_ref(ch->peer, -1);
07716       ch->peer = NULL;
07717    }
07718 #endif /* AST_MISDN_ENHANCEMENTS */
07719 
07720    if (ch->dsp) {
07721       ast_dsp_free(ch->dsp);
07722       ch->dsp = NULL;
07723    }
07724 
07725    /* releasing jitterbuffer */
07726    if (ch->jb) {
07727       misdn_jb_destroy(ch->jb);
07728       ch->jb = NULL;
07729    }
07730 
07731    if (ch->overlap_dial) {
07732       if (ch->overlap_dial_task != -1) {
07733          misdn_tasks_remove(ch->overlap_dial_task);
07734          ch->overlap_dial_task = -1;
07735       }
07736       ast_mutex_destroy(&ch->overlap_tv_lock);
07737    }
07738 
07739    if (-1 < ch->pipe[0]) {
07740       close(ch->pipe[0]);
07741    }
07742    if (-1 < ch->pipe[1]) {
07743       close(ch->pipe[1]);
07744    }
07745 }
07746 
07747 /*! Returns a reference to the new chan_list. */
07748 static struct chan_list *chan_list_init(int orig)
07749 {
07750    struct chan_list *cl;
07751 
07752    cl = ao2_alloc(sizeof(*cl), chan_list_destructor);
07753    if (!cl) {
07754       chan_misdn_log(-1, 0, "misdn_request: malloc failed!");
07755       return NULL;
07756    }
07757 
07758    cl->originator = orig;
07759    cl->need_queue_hangup = 1;
07760    cl->need_hangup = 1;
07761    cl->need_busy = 1;
07762    cl->overlap_dial_task = -1;
07763 #if defined(AST_MISDN_ENHANCEMENTS)
07764    cl->record_id = -1;
07765 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
07766    cl->pipe[0] = -1;
07767    cl->pipe[1] = -1;
07768 
07769    return cl;
07770 }
07771 
07772 static struct ast_channel *misdn_request(const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause)
07773 {
07774    struct ast_channel *ast;
07775    char group[BUFFERSIZE + 1] = "";
07776    char dial_str[128];
07777    char *dest_cp;
07778    char *p = NULL;
07779    int channel = 0;
07780    int port = 0;
07781    struct misdn_bchannel *newbc = NULL;
07782    int dec = 0;
07783 #if defined(AST_MISDN_ENHANCEMENTS)
07784    int cc_retry_call = 0;  /* TRUE if this is a call completion retry call */
07785    long record_id = -1;
07786    struct misdn_cc_record *cc_record;
07787    const char *err_msg;
07788 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
07789    struct chan_list *cl;
07790 
07791    AST_DECLARE_APP_ARGS(args,
07792       AST_APP_ARG(intf);   /* interface token */
07793       AST_APP_ARG(ext); /* extension token */
07794       AST_APP_ARG(opts);   /* options token */
07795    );
07796 
07797    snprintf(dial_str, sizeof(dial_str), "%s/%s", misdn_type, (char *) data);
07798 
07799    /*
07800     * data is ---v
07801     * Dial(mISDN/g:group_name[/extension[/options]])
07802     * Dial(mISDN/port[:preselected_channel][/extension[/options]])
07803     * Dial(mISDN/cc/cc-record-id)
07804     *
07805     * The dial extension could be empty if you are using MISDN_KEYPAD
07806     * to control ISDN provider features.
07807     */
07808    dest_cp = ast_strdupa(data);
07809    AST_NONSTANDARD_APP_ARGS(args, dest_cp, '/');
07810    if (!args.ext) {
07811       args.ext = "";
07812    }
07813 
07814    if (!ast_strlen_zero(args.intf)) {
07815       if (args.intf[0] == 'g' && args.intf[1] == ':') {
07816          /* We make a group call lets checkout which ports are in my group */
07817          args.intf += 2;
07818          ast_copy_string(group, args.intf, sizeof(group));
07819          chan_misdn_log(2, 0, " --> Group Call group: %s\n", group);
07820 #if defined(AST_MISDN_ENHANCEMENTS)
07821       } else if (strcmp(args.intf, "cc") == 0) {
07822          cc_retry_call = 1;
07823 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
07824       } else if ((p = strchr(args.intf, ':'))) {
07825          /* we have a preselected channel */
07826          *p++ = 0;
07827          channel = atoi(p);
07828          port = atoi(args.intf);
07829          chan_misdn_log(2, port, " --> Call on preselected Channel (%d).\n", channel);
07830       } else {
07831          port = atoi(args.intf);
07832       }
07833    } else {
07834       ast_log(LOG_WARNING, " --> ! IND : Dial(%s) WITHOUT Port or Group, check extensions.conf\n", dial_str);
07835       return NULL;
07836    }
07837 
07838 #if defined(AST_MISDN_ENHANCEMENTS)
07839    if (cc_retry_call) {
07840       if (ast_strlen_zero(args.ext)) {
07841          ast_log(LOG_WARNING, " --> ! IND : Dial(%s) WITHOUT cc-record-id, check extensions.conf\n", dial_str);
07842          return NULL;
07843       }
07844       if (!isdigit(*args.ext)) {
07845          ast_log(LOG_WARNING, " --> ! IND : Dial(%s) cc-record-id must be a number.\n", dial_str);
07846          return NULL;
07847       }
07848       record_id = atol(args.ext);
07849 
07850       AST_LIST_LOCK(&misdn_cc_records_db);
07851       cc_record = misdn_cc_find_by_id(record_id);
07852       if (!cc_record) {
07853          AST_LIST_UNLOCK(&misdn_cc_records_db);
07854          err_msg = misdn_cc_record_not_found;
07855          ast_log(LOG_WARNING, " --> ! IND : Dial(%s) %s.\n", dial_str, err_msg);
07856          return NULL;
07857       }
07858       if (!cc_record->activated) {
07859          AST_LIST_UNLOCK(&misdn_cc_records_db);
07860          err_msg = "Call completion has not been activated";
07861          ast_log(LOG_WARNING, " --> ! IND : Dial(%s) %s.\n", dial_str, err_msg);
07862          return NULL;
07863       }
07864       port = cc_record->port;
07865       AST_LIST_UNLOCK(&misdn_cc_records_db);
07866    }
07867 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
07868 
07869    if (misdn_cfg_is_group_method(group, METHOD_STANDARD_DEC)) {
07870       chan_misdn_log(4, port, " --> STARTING STANDARD DEC...\n");
07871       dec = 1;
07872    }
07873 
07874    if (!ast_strlen_zero(group)) {
07875       char cfg_group[BUFFERSIZE + 1];
07876       struct robin_list *rr = NULL;
07877 
07878       /* Group dial */
07879 
07880       if (misdn_cfg_is_group_method(group, METHOD_ROUND_ROBIN)) {
07881          chan_misdn_log(4, port, " --> STARTING ROUND ROBIN...\n");
07882          rr = get_robin_position(group);
07883       }
07884 
07885       if (rr) {
07886          int port_start;
07887          int bchan_start;
07888          int port_up;
07889          int check;
07890          int maxbchans;
07891          int wraped = 0;
07892 
07893          if (!rr->port) {
07894             rr->port = misdn_cfg_get_next_port_spin(0);
07895          }
07896 
07897          if (!rr->channel) {
07898             rr->channel = 1;
07899          }
07900 
07901          bchan_start = rr->channel;
07902          port_start = rr->port;
07903          do {
07904             misdn_cfg_get(rr->port, MISDN_CFG_GROUPNAME, cfg_group, sizeof(cfg_group));
07905             if (strcasecmp(cfg_group, group)) {
07906                wraped = 1;
07907                rr->port = misdn_cfg_get_next_port_spin(rr->port);
07908                rr->channel = 1;
07909                continue;
07910             }
07911 
07912             misdn_cfg_get(rr->port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(check));
07913             port_up = misdn_lib_port_up(rr->port, check);
07914 
07915             if (!port_up) {
07916                chan_misdn_log(1, rr->port, "L1 is not Up on this Port\n");
07917                rr->port = misdn_cfg_get_next_port_spin(rr->port);
07918                rr->channel = 1;
07919             } else if (port_up < 0) {
07920                ast_log(LOG_WARNING, "This port (%d) is blocked\n", rr->port);
07921                rr->port = misdn_cfg_get_next_port_spin(rr->port);
07922                rr->channel = 1;
07923             } else {
07924                chan_misdn_log(4, rr->port, "portup\n");
07925                maxbchans = misdn_lib_get_maxchans(rr->port);
07926 
07927                for (;rr->channel <= maxbchans;rr->channel++) {
07928                   /* ive come full circle and can stop now */
07929                   if (wraped && (rr->port == port_start) && (rr->channel == bchan_start)) {
07930                      break;
07931                   }
07932 
07933                   chan_misdn_log(4, rr->port, "Checking channel %d\n",  rr->channel);
07934 
07935                   if ((newbc = misdn_lib_get_free_bc(rr->port, rr->channel, 0, 0))) {
07936                      chan_misdn_log(4, rr->port, " Success! Found port:%d channel:%d\n", newbc->port, newbc->channel);
07937                      rr->channel++;
07938                      break;
07939                   }
07940                }
07941                if (wraped && (rr->port == port_start) && (rr->channel <= bchan_start)) {
07942                   break;
07943                } else if (!newbc || (rr->channel == maxbchans)) {
07944                   rr->port = misdn_cfg_get_next_port_spin(rr->port);
07945                   rr->channel = 1;
07946                }
07947 
07948             }
07949             wraped = 1;
07950          } while (!newbc && (rr->port > 0));
07951       } else {
07952          for (port = misdn_cfg_get_next_port(0); port > 0;
07953             port = misdn_cfg_get_next_port(port)) {
07954             misdn_cfg_get(port, MISDN_CFG_GROUPNAME, cfg_group, sizeof(cfg_group));
07955 
07956             chan_misdn_log(3, port, "Group [%s] Port [%d]\n", group, port);
07957             if (!strcasecmp(cfg_group, group)) {
07958                int port_up;
07959                int check;
07960 
07961                misdn_cfg_get(port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(check));
07962                port_up = misdn_lib_port_up(port, check);
07963 
07964                chan_misdn_log(4, port, "portup:%d\n", port_up);
07965 
07966                if (port_up > 0) {
07967                   newbc = misdn_lib_get_free_bc(port, 0, 0, dec);
07968                   if (newbc) {
07969                      break;
07970                   }
07971                }
07972             }
07973          }
07974       }
07975 
07976       /* Group dial failed ?*/
07977       if (!newbc) {
07978          ast_log(LOG_WARNING,
07979             "Could not Dial out on group '%s'.\n"
07980             "\tEither the L2 and L1 on all of these ports where DOWN (see 'show application misdn_check_l2l1')\n"
07981             "\tOr there was no free channel on none of the ports\n\n",
07982             group);
07983          return NULL;
07984       }
07985    } else {
07986       /* 'Normal' Port dial * Port dial */
07987       if (channel) {
07988          chan_misdn_log(1, port, " --> preselected_channel: %d\n", channel);
07989       }
07990       newbc = misdn_lib_get_free_bc(port, channel, 0, dec);
07991       if (!newbc) {
07992          ast_log(LOG_WARNING, "Could not create channel on port:%d for Dial(%s)\n", port, dial_str);
07993          return NULL;
07994       }
07995    }
07996 
07997    /* create ast_channel and link all the objects together */
07998    cl = chan_list_init(ORG_AST);
07999    if (!cl) {
08000       ast_log(LOG_ERROR, "Could not create call record for Dial(%s)\n", dial_str);
08001       return NULL;
08002    }
08003    cl->bc = newbc;
08004 
08005    ast = misdn_new(cl, AST_STATE_RESERVED, args.ext, NULL, format, requestor ? requestor->linkedid : NULL, port, channel);
08006    if (!ast) {
08007       chan_list_unref(cl, "Failed to create a new channel");
08008       ast_log(LOG_ERROR, "Could not create Asterisk channel for Dial(%s)\n", dial_str);
08009       return NULL;
08010    }
08011 
08012 #if defined(AST_MISDN_ENHANCEMENTS)
08013    cl->record_id = record_id;
08014 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
08015 
08016    /* register chan in local list */
08017    cl_queue_chan(cl);
08018 
08019    /* fill in the config into the objects */
08020    read_config(cl);
08021 
08022    /* important */
08023    cl->need_hangup = 0;
08024 
08025    chan_list_unref(cl, "Successful misdn_request()");
08026    return ast;
08027 }
08028 
08029 
08030 static int misdn_send_text(struct ast_channel *chan, const char *text)
08031 {
08032    struct chan_list *tmp = MISDN_ASTERISK_TECH_PVT(chan);
08033 
08034    if (tmp && tmp->bc) {
08035       ast_copy_string(tmp->bc->display, text, sizeof(tmp->bc->display));
08036       misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
08037    } else {
08038       ast_log(LOG_WARNING, "No chan_list but send_text request?\n");
08039       return -1;
08040    }
08041 
08042    return 0;
08043 }
08044 
08045 static struct ast_channel_tech misdn_tech = {
08046    .type = misdn_type,
08047    .description = "Channel driver for mISDN Support (Bri/Pri)",
08048    .capabilities = AST_FORMAT_ALAW ,
08049    .requester = misdn_request,
08050    .send_digit_begin = misdn_digit_begin,
08051    .send_digit_end = misdn_digit_end,
08052    .call = misdn_call,
08053    .bridge = misdn_bridge,
08054    .hangup = misdn_hangup,
08055    .answer = misdn_answer,
08056    .read = misdn_read,
08057    .write = misdn_write,
08058    .indicate = misdn_indication,
08059    .fixup = misdn_fixup,
08060    .send_text = misdn_send_text,
08061    .properties = 0,
08062 };
08063 
08064 static struct ast_channel_tech misdn_tech_wo_bridge = {
08065    .type = misdn_type,
08066    .description = "Channel driver for mISDN Support (Bri/Pri)",
08067    .capabilities = AST_FORMAT_ALAW ,
08068    .requester = misdn_request,
08069    .send_digit_begin = misdn_digit_begin,
08070    .send_digit_end = misdn_digit_end,
08071    .call = misdn_call,
08072    .hangup = misdn_hangup,
08073    .answer = misdn_answer,
08074    .read = misdn_read,
08075    .write = misdn_write,
08076    .indicate = misdn_indication,
08077    .fixup = misdn_fixup,
08078    .send_text = misdn_send_text,
08079    .properties = 0,
08080 };
08081 
08082 
08083 static int glob_channel = 0;
08084 
08085 static void update_name(struct ast_channel *tmp, int port, int c)
08086 {
08087    int chan_offset = 0;
08088    int tmp_port = misdn_cfg_get_next_port(0);
08089    char newname[255];
08090 
08091    for (; tmp_port > 0; tmp_port = misdn_cfg_get_next_port(tmp_port)) {
08092       if (tmp_port == port) {
08093          break;
08094       }
08095       chan_offset += misdn_lib_port_is_pri(tmp_port) ? 30 : 2;
08096    }
08097    if (c < 0) {
08098       c = 0;
08099    }
08100 
08101    snprintf(newname, sizeof(newname), "%s/%d-", misdn_type, chan_offset + c);
08102    if (strncmp(tmp->name, newname, strlen(newname))) {
08103       snprintf(newname, sizeof(newname), "%s/%d-u%d", misdn_type, chan_offset + c, glob_channel++);
08104       ast_change_name(tmp, newname);
08105       chan_misdn_log(3, port, " --> updating channel name to [%s]\n", tmp->name);
08106    }
08107 }
08108 
08109 static struct ast_channel *misdn_new(struct chan_list *chlist, int state,  char *exten, char *callerid, int format, const char *linkedid, int port, int c)
08110 {
08111    struct ast_channel *tmp;
08112    char *cid_name = NULL;
08113    char *cid_num = NULL;
08114    int chan_offset = 0;
08115    int tmp_port = misdn_cfg_get_next_port(0);
08116    int bridging;
08117 
08118    for (; tmp_port > 0; tmp_port = misdn_cfg_get_next_port(tmp_port)) {
08119       if (tmp_port == port) {
08120          break;
08121       }
08122       chan_offset += misdn_lib_port_is_pri(tmp_port) ? 30 : 2;
08123    }
08124    if (c < 0) {
08125       c = 0;
08126    }
08127 
08128    if (callerid) {
08129       ast_callerid_parse(callerid, &cid_name, &cid_num);
08130    }
08131 
08132    tmp = ast_channel_alloc(1, state, cid_num, cid_name, "", exten, "", linkedid, 0, "%s/%s%d-u%d", misdn_type, c ? "" : "tmp", chan_offset + c, glob_channel++);
08133    if (tmp) {
08134       chan_misdn_log(2, 0, " --> * NEW CHANNEL dialed:%s caller:%s\n", exten, callerid);
08135 
08136       tmp->nativeformats = prefformat;
08137 
08138       tmp->readformat = format;
08139       tmp->rawreadformat = format;
08140       tmp->writeformat = format;
08141       tmp->rawwriteformat = format;
08142 
08143       /* Link the channel and private together */
08144       chan_list_ref(chlist, "Give a reference to ast_channel");
08145       MISDN_ASTERISK_TECH_PVT(tmp) = chlist;
08146       chlist->ast = tmp;
08147 
08148       misdn_cfg_get(0, MISDN_GEN_BRIDGING, &bridging, sizeof(bridging));
08149       tmp->tech = bridging ? &misdn_tech : &misdn_tech_wo_bridge;
08150 
08151       tmp->writeformat = format;
08152       tmp->readformat = format;
08153       tmp->priority = 1;
08154 
08155       if (exten) {
08156          ast_copy_string(tmp->exten, exten, sizeof(tmp->exten));
08157       } else {
08158          chan_misdn_log(1, 0, "misdn_new: no exten given.\n");
08159       }
08160 
08161       if (!ast_strlen_zero(cid_num)) {
08162          /* Don't use ast_set_callerid() here because it will
08163           * generate a needless NewCallerID event */
08164          tmp->caller.ani.number.valid = 1;
08165          tmp->caller.ani.number.str = ast_strdup(cid_num);
08166       }
08167 
08168       if (pipe(chlist->pipe) < 0) {
08169          ast_log(LOG_ERROR, "Pipe failed\n");
08170       }
08171       ast_channel_set_fd(tmp, 0, chlist->pipe[0]);
08172 
08173       tmp->rings = (state == AST_STATE_RING) ? 1 : 0;
08174 
08175       ast_jb_configure(tmp, misdn_get_global_jbconf());
08176    } else {
08177       chan_misdn_log(-1, 0, "Unable to allocate channel structure\n");
08178    }
08179 
08180    return tmp;
08181 }
08182 
08183 /*! Returns a reference to the found chan_list. */
08184 static struct chan_list *find_chan_by_bc(struct misdn_bchannel *bc)
08185 {
08186    struct chan_list *help;
08187 
08188    ast_mutex_lock(&cl_te_lock);
08189    for (help = cl_te; help; help = help->next) {
08190       if (help->bc == bc) {
08191          chan_list_ref(help, "Found chan_list by bc");
08192          ast_mutex_unlock(&cl_te_lock);
08193          return help;
08194       }
08195    }
08196    ast_mutex_unlock(&cl_te_lock);
08197 
08198    chan_misdn_log(6, bc->port,
08199       "$$$ find_chan_by_bc: No channel found for dialed:%s caller:\"%s\" <%s>\n",
08200       bc->dialed.number,
08201       bc->caller.name,
08202       bc->caller.number);
08203 
08204    return NULL;
08205 }
08206 
08207 /*! Returns a reference to the found chan_list. */
08208 static struct chan_list *find_hold_call(struct misdn_bchannel *bc)
08209 {
08210    struct chan_list *help;
08211 
08212    if (bc->pri) {
08213       return NULL;
08214    }
08215 
08216    chan_misdn_log(6, bc->port, "$$$ find_hold_call: channel:%d dialed:%s caller:\"%s\" <%s>\n",
08217       bc->channel,
08218       bc->dialed.number,
08219       bc->caller.name,
08220       bc->caller.number);
08221    ast_mutex_lock(&cl_te_lock);
08222    for (help = cl_te; help; help = help->next) {
08223       chan_misdn_log(4, bc->port, "$$$ find_hold_call: --> hold:%d channel:%d\n", help->hold.state, help->hold.channel);
08224       if (help->hold.state == MISDN_HOLD_ACTIVE && help->hold.port == bc->port) {
08225          chan_list_ref(help, "Found chan_list hold call");
08226          ast_mutex_unlock(&cl_te_lock);
08227          return help;
08228       }
08229    }
08230    ast_mutex_unlock(&cl_te_lock);
08231    chan_misdn_log(6, bc->port,
08232       "$$$ find_hold_call: No channel found for dialed:%s caller:\"%s\" <%s>\n",
08233       bc->dialed.number,
08234       bc->caller.name,
08235       bc->caller.number);
08236 
08237    return NULL;
08238 }
08239 
08240 
08241 /*! Returns a reference to the found chan_list. */
08242 static struct chan_list *find_hold_call_l3(unsigned long l3_id)
08243 {
08244    struct chan_list *help;
08245 
08246    ast_mutex_lock(&cl_te_lock);
08247    for (help = cl_te; help; help = help->next) {
08248       if (help->hold.state != MISDN_HOLD_IDLE && help->l3id == l3_id) {
08249          chan_list_ref(help, "Found chan_list hold call l3");
08250          ast_mutex_unlock(&cl_te_lock);
08251          return help;
08252       }
08253    }
08254    ast_mutex_unlock(&cl_te_lock);
08255 
08256    return NULL;
08257 }
08258 
08259 #define TRANSFER_ON_HELD_CALL_HANGUP 1
08260 #if defined(TRANSFER_ON_HELD_CALL_HANGUP)
08261 /*!
08262  * \internal
08263  * \brief Find a suitable active call to go with a held call so we could try a transfer.
08264  *
08265  * \param bc B channel record.
08266  *
08267  * \return Found call record or NULL.
08268  *
08269  * \note Returns a reference to the found chan_list.
08270  *
08271  * \note There could be a possibility where we find the wrong active call to transfer.
08272  * This concern is mitigated by the fact that there could be at most one other call
08273  * on a PTMP BRI link to another device.  Maybe the l3_id could help in locating an
08274  * active call on the same TEI?
08275  */
08276 static struct chan_list *find_hold_active_call(struct misdn_bchannel *bc)
08277 {
08278    struct chan_list *list;
08279 
08280    ast_mutex_lock(&cl_te_lock);
08281    for (list = cl_te; list; list = list->next) {
08282       if (list->hold.state == MISDN_HOLD_IDLE && list->bc && list->bc->port == bc->port
08283          && list->ast) {
08284          switch (list->state) {
08285          case MISDN_PROCEEDING:
08286          case MISDN_PROGRESS:
08287          case MISDN_ALERTING:
08288          case MISDN_CONNECTED:
08289             chan_list_ref(list, "Found chan_list hold active call");
08290             ast_mutex_unlock(&cl_te_lock);
08291             return list;
08292          default:
08293             break;
08294          }
08295       }
08296    }
08297    ast_mutex_unlock(&cl_te_lock);
08298    return NULL;
08299 }
08300 #endif   /* defined(TRANSFER_ON_HELD_CALL_HANGUP) */
08301 
08302 static void cl_queue_chan(struct chan_list *chan)
08303 {
08304    chan_misdn_log(4, chan->bc ? chan->bc->port : 0, "* Queuing chan %p\n", chan);
08305 
08306    chan_list_ref(chan, "Adding chan_list to list");
08307    ast_mutex_lock(&cl_te_lock);
08308    chan->next = NULL;
08309    if (!cl_te) {
08310       /* List is empty, make head of list. */
08311       cl_te = chan;
08312    } else {
08313       struct chan_list *help;
08314 
08315       /* Put at end of list. */
08316       for (help = cl_te; help->next; help = help->next) {
08317       }
08318       help->next = chan;
08319    }
08320    ast_mutex_unlock(&cl_te_lock);
08321 }
08322 
08323 static int cl_dequeue_chan(struct chan_list *chan)
08324 {
08325    int found_it;
08326    struct chan_list *help;
08327 
08328    ast_mutex_lock(&cl_te_lock);
08329    if (!cl_te) {
08330       /* List is empty. */
08331       ast_mutex_unlock(&cl_te_lock);
08332       return 0;
08333    }
08334 
08335    if (cl_te == chan) {
08336       /* What we want is the head of the list. */
08337       cl_te = cl_te->next;
08338       ast_mutex_unlock(&cl_te_lock);
08339       chan_list_unref(chan, "Removed chan_list from list head");
08340       return 1;
08341    }
08342 
08343    found_it = 0;
08344    for (help = cl_te; help->next; help = help->next) {
08345       if (help->next == chan) {
08346          /* Found it in the list. */
08347          help->next = help->next->next;
08348          found_it = 1;
08349          break;
08350       }
08351    }
08352 
08353    ast_mutex_unlock(&cl_te_lock);
08354    if (found_it) {
08355       chan_list_unref(chan, "Removed chan_list from list");
08356    }
08357    return found_it;
08358 }
08359 
08360 /** Channel Queue End **/
08361 
08362 
08363 static int pbx_start_chan(struct chan_list *ch)
08364 {
08365    int ret = ast_pbx_start(ch->ast);
08366 
08367    ch->need_hangup = (ret >= 0) ? 0 : 1;
08368 
08369    return ret;
08370 }
08371 
08372 static void hangup_chan(struct chan_list *ch, struct misdn_bchannel *bc)
08373 {
08374    int port;
08375 
08376    if (!ch) {
08377       cb_log(1, 0, "Cannot hangup chan, no ch\n");
08378       return;
08379    }
08380 
08381    port = bc->port;
08382    cb_log(5, port, "hangup_chan called\n");
08383 
08384    if (ch->need_hangup) {
08385       cb_log(2, port, " --> hangup\n");
08386       ch->need_hangup = 0;
08387       ch->need_queue_hangup = 0;
08388       if (ch->ast && send_cause2ast(ch->ast, bc, ch)) {
08389          ast_hangup(ch->ast);
08390       }
08391       return;
08392    }
08393 
08394    if (!ch->need_queue_hangup) {
08395       cb_log(2, port, " --> No need to queue hangup\n");
08396       return;
08397    }
08398 
08399    ch->need_queue_hangup = 0;
08400    if (ch->ast) {
08401       if (send_cause2ast(ch->ast, bc, ch)) {
08402          ast_queue_hangup_with_cause(ch->ast, bc->cause);
08403          cb_log(2, port, " --> queue_hangup\n");
08404       }
08405    } else {
08406       cb_log(1, port, "Cannot hangup chan, no ast\n");
08407    }
08408 }
08409 
08410 /*!
08411  * \internal
08412  * \brief ISDN asked us to release channel, pendant to misdn_hangup.
08413  *
08414  * \param ch Call channel record to release.
08415  * \param bc Current B channel record associated with ch.
08416  *
08417  * \return Nothing
08418  *
08419  * \note The only valid thing to do with ch after calling is to chan_list_unref(ch, "").
08420  */
08421 static void release_chan(struct chan_list *ch, struct misdn_bchannel *bc)
08422 {
08423    struct ast_channel *ast;
08424 
08425    chan_misdn_log(5, bc->port, "release_chan: bc with pid:%d l3id: %x\n", bc->pid, bc->l3_id);
08426 
08427    ast_mutex_lock(&release_lock);
08428    for (;;) {
08429       ast = ch->ast;
08430       if (!ast || !ast_channel_trylock(ast)) {
08431          break;
08432       }
08433       DEADLOCK_AVOIDANCE(&release_lock);
08434    }
08435    if (!cl_dequeue_chan(ch)) {
08436       /* Someone already released it. */
08437       if (ast) {
08438          ast_channel_unlock(ast);
08439       }
08440       ast_mutex_unlock(&release_lock);
08441       return;
08442    }
08443    ch->state = MISDN_CLEANING;
08444    ch->ast = NULL;
08445    if (ast) {
08446       struct chan_list *ast_ch;
08447 
08448       ast_ch = MISDN_ASTERISK_TECH_PVT(ast);
08449       MISDN_ASTERISK_TECH_PVT(ast) = NULL;
08450       chan_misdn_log(1, bc->port,
08451          "* RELEASING CHANNEL pid:%d context:%s dialed:%s caller:\"%s\" <%s>\n",
08452          bc->pid,
08453          ast->context,
08454          ast->exten,
08455          S_COR(ast->caller.id.name.valid, ast->caller.id.name.str, ""),
08456          S_COR(ast->caller.id.number.valid, ast->caller.id.number.str, ""));
08457 
08458       if (ast->_state != AST_STATE_RESERVED) {
08459          chan_misdn_log(3, bc->port, " --> Setting AST State to down\n");
08460          ast_setstate(ast, AST_STATE_DOWN);
08461       }
08462       ast_channel_unlock(ast);
08463       if (ast_ch) {
08464          chan_list_unref(ast_ch, "Release ast_channel reference.");
08465       }
08466    }
08467 
08468    if (ch->originator == ORG_AST) {
08469       --misdn_out_calls[bc->port];
08470    } else {
08471       --misdn_in_calls[bc->port];
08472    }
08473 
08474    ast_mutex_unlock(&release_lock);
08475 }
08476 
08477 /*!
08478  * \internal
08479  * \brief Do everything in release_chan() that makes sense without a bc.
08480  *
08481  * \param ch Call channel record to release.
08482  *
08483  * \return Nothing
08484  *
08485  * \note The only valid thing to do with ch after calling is to chan_list_unref(ch, "").
08486  */
08487 static void release_chan_early(struct chan_list *ch)
08488 {
08489    struct ast_channel *ast;
08490 
08491    ast_mutex_lock(&release_lock);
08492    for (;;) {
08493       ast = ch->ast;
08494       if (!ast || !ast_channel_trylock(ast)) {
08495          break;
08496       }
08497       DEADLOCK_AVOIDANCE(&release_lock);
08498    }
08499    if (!cl_dequeue_chan(ch)) {
08500       /* Someone already released it. */
08501       if (ast) {
08502          ast_channel_unlock(ast);
08503       }
08504       ast_mutex_unlock(&release_lock);
08505       return;
08506    }
08507    ch->state = MISDN_CLEANING;
08508    ch->ast = NULL;
08509    if (ast) {
08510       struct chan_list *ast_ch;
08511 
08512       ast_ch = MISDN_ASTERISK_TECH_PVT(ast);
08513       MISDN_ASTERISK_TECH_PVT(ast) = NULL;
08514 
08515       if (ast->_state != AST_STATE_RESERVED) {
08516          ast_setstate(ast, AST_STATE_DOWN);
08517       }
08518       ast_channel_unlock(ast);
08519       if (ast_ch) {
08520          chan_list_unref(ast_ch, "Release ast_channel reference.");
08521       }
08522    }
08523 
08524    if (ch->hold.state != MISDN_HOLD_IDLE) {
08525       if (ch->originator == ORG_AST) {
08526          --misdn_out_calls[ch->hold.port];
08527       } else {
08528          --misdn_in_calls[ch->hold.port];
08529       }
08530    }
08531 
08532    ast_mutex_unlock(&release_lock);
08533 }
08534 
08535 /*!
08536  * \internal
08537  * \brief Attempt to transfer the active channel party to the held channel party.
08538  *
08539  * \param active_ch Channel currently connected.
08540  * \param held_ch Channel currently on hold.
08541  *
08542  * \retval 0 on success.
08543  * \retval -1 on error.
08544  */
08545 static int misdn_attempt_transfer(struct chan_list *active_ch, struct chan_list *held_ch)
08546 {
08547    int retval;
08548    struct ast_channel *target;
08549    struct ast_channel *transferee;
08550    struct ast_party_connected_line target_colp;
08551    struct ast_party_connected_line transferee_colp;
08552 
08553    switch (active_ch->state) {
08554    case MISDN_PROCEEDING:
08555    case MISDN_PROGRESS:
08556    case MISDN_ALERTING:
08557    case MISDN_CONNECTED:
08558       break;
08559    default:
08560       return -1;
08561    }
08562 
08563    ast_channel_lock(held_ch->ast);
08564    while (ast_channel_trylock(active_ch->ast)) {
08565       CHANNEL_DEADLOCK_AVOIDANCE(held_ch->ast);
08566    }
08567 
08568    transferee = ast_bridged_channel(held_ch->ast);
08569    if (!transferee) {
08570       /*
08571        * Could not transfer.  Held channel is not bridged anymore.
08572        * Held party probably got tired of waiting and hung up.
08573        */
08574       ast_channel_unlock(held_ch->ast);
08575       ast_channel_unlock(active_ch->ast);
08576       return -1;
08577    }
08578 
08579    target = active_ch->ast;
08580    chan_misdn_log(1, held_ch->hold.port, "TRANSFERRING %s to %s\n",
08581       held_ch->ast->name, target->name);
08582 
08583    ast_party_connected_line_init(&target_colp);
08584    ast_party_connected_line_copy(&target_colp, &target->connected);
08585    ast_party_connected_line_init(&transferee_colp);
08586    ast_party_connected_line_copy(&transferee_colp, &held_ch->ast->connected);
08587    held_ch->hold.state = MISDN_HOLD_TRANSFER;
08588 
08589    /*
08590     * Before starting a masquerade, all channel and pvt locks must
08591     * be unlocked.  Any recursive channel locks held before
08592     * ast_channel_transfer_masquerade() invalidates deadlock
08593     * avoidance.  Since we are unlocking both the pvt and its owner
08594     * channel it is possible for "target" and "transferee" to be
08595     * destroyed by their pbx threads.  To prevent this we must give
08596     * "target" and "transferee" a reference before any unlocking
08597     * takes place.
08598     */
08599    ao2_ref(target, +1);
08600    ao2_ref(transferee, +1);
08601    ast_channel_unlock(held_ch->ast);
08602    ast_channel_unlock(active_ch->ast);
08603 
08604    /* Setup transfer masquerade. */
08605    retval = ast_channel_transfer_masquerade(target, &target_colp, 0,
08606       transferee, &transferee_colp, 1);
08607 
08608    ast_party_connected_line_free(&target_colp);
08609    ast_party_connected_line_free(&transferee_colp);
08610    ao2_ref(target, -1);
08611    ao2_ref(transferee, -1);
08612    return retval;
08613 }
08614 
08615 
08616 static void do_immediate_setup(struct misdn_bchannel *bc, struct chan_list *ch, struct ast_channel *ast)
08617 {
08618    char *predial;
08619    struct ast_frame fr;
08620 
08621    predial = ast_strdupa(ast->exten);
08622 
08623    ch->state = MISDN_DIALING;
08624 
08625    if (!ch->noautorespond_on_setup) {
08626       if (bc->nt) {
08627          misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE);
08628       } else {
08629          if (misdn_lib_is_ptp(bc->port)) {
08630             misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE);
08631          } else {
08632             misdn_lib_send_event(bc, EVENT_PROCEEDING);
08633          }
08634       }
08635    } else {
08636       ch->state = MISDN_INCOMING_SETUP;
08637    }
08638 
08639    chan_misdn_log(1, bc->port,
08640       "* Starting Ast context:%s dialed:%s caller:\"%s\" <%s> with 's' extension\n",
08641       ast->context,
08642       ast->exten,
08643       (ast->caller.id.name.valid && ast->caller.id.name.str)
08644          ? ast->caller.id.name.str : "",
08645       (ast->caller.id.number.valid && ast->caller.id.number.str)
08646          ? ast->caller.id.number.str : "");
08647 
08648    strcpy(ast->exten, "s");
08649 
08650    if (!ast_canmatch_extension(ast, ast->context, ast->exten, 1, bc->caller.number) || pbx_start_chan(ch) < 0) {
08651       ast = NULL;
08652       bc->out_cause = AST_CAUSE_UNALLOCATED;
08653       hangup_chan(ch, bc);
08654       hanguptone_indicate(ch);
08655 
08656       misdn_lib_send_event(bc, bc->nt ? EVENT_RELEASE_COMPLETE : EVENT_DISCONNECT);
08657    }
08658 
08659 
08660    while (!ast_strlen_zero(predial)) {
08661       fr.frametype = AST_FRAME_DTMF;
08662       fr.subclass.integer = *predial;
08663       fr.src = NULL;
08664       fr.data.ptr = NULL;
08665       fr.datalen = 0;
08666       fr.samples = 0;
08667       fr.mallocd = 0;
08668       fr.offset = 0;
08669       fr.delivery = ast_tv(0,0);
08670 
08671       if (ch->ast && MISDN_ASTERISK_TECH_PVT(ch->ast)) {
08672          ast_queue_frame(ch->ast, &fr);
08673       }
08674       predial++;
08675    }
08676 }
08677 
08678 /*!
08679  * \retval -1 if can hangup after calling.
08680  * \retval 0 if cannot hangup after calling.
08681  */
08682 static int send_cause2ast(struct ast_channel *ast, struct misdn_bchannel *bc, struct chan_list *ch)
08683 {
08684    int can_hangup;
08685 
08686    if (!ast) {
08687       chan_misdn_log(1, 0, "send_cause2ast: No Ast\n");
08688       return 0;
08689    }
08690    if (!bc) {
08691       chan_misdn_log(1, 0, "send_cause2ast: No BC\n");
08692       return 0;
08693    }
08694    if (!ch) {
08695       chan_misdn_log(1, 0, "send_cause2ast: No Ch\n");
08696       return 0;
08697    }
08698 
08699    ast->hangupcause = bc->cause;
08700 
08701    can_hangup = -1;
08702    switch (bc->cause) {
08703    case AST_CAUSE_UNALLOCATED:
08704    case AST_CAUSE_NO_ROUTE_TRANSIT_NET:
08705    case AST_CAUSE_NO_ROUTE_DESTINATION:
08706    case 4:  /* Send special information tone */
08707    case AST_CAUSE_NUMBER_CHANGED:
08708    case AST_CAUSE_DESTINATION_OUT_OF_ORDER:
08709       /* Congestion Cases */
08710       /*
08711        * Not Queueing the Congestion anymore, since we want to hear
08712        * the inband message
08713        *
08714       chan_misdn_log(1, bc ? bc->port : 0, " --> * SEND: Queue Congestion pid:%d\n", bc ? bc->pid : -1);
08715       ch->state = MISDN_BUSY;
08716 
08717       ast_queue_control(ast, AST_CONTROL_CONGESTION);
08718       */
08719       break;
08720 
08721    case AST_CAUSE_CALL_REJECTED:
08722    case AST_CAUSE_USER_BUSY:
08723       ch->state = MISDN_BUSY;
08724 
08725       if (!ch->need_busy) {
08726          chan_misdn_log(1, bc ? bc->port : 0, "Queued busy already\n");
08727          break;
08728       }
08729       ch->need_busy = 0;
08730 
08731       chan_misdn_log(1, bc ? bc->port : 0, " --> * SEND: Queue Busy pid:%d\n", bc ? bc->pid : -1);
08732       ast_queue_control(ast, AST_CONTROL_BUSY);
08733 
08734       /* The BUSY is likely to cause a hangup or the user needs to hear it. */
08735       can_hangup = 0;
08736       break;
08737    }
08738    return can_hangup;
08739 }
08740 
08741 
08742 /*! \brief Import parameters from the dialplan environment variables */
08743 void import_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch)
08744 {
08745    const char *tmp;
08746 
08747    ast_channel_lock(chan);
08748    tmp = pbx_builtin_getvar_helper(chan, "MISDN_ADDRESS_COMPLETE");
08749    if (tmp && (atoi(tmp) == 1)) {
08750       bc->sending_complete = 1;
08751    }
08752 
08753    tmp = pbx_builtin_getvar_helper(chan, "MISDN_USERUSER");
08754    if (tmp) {
08755       ast_log(LOG_NOTICE, "MISDN_USERUSER: %s\n", tmp);
08756       ast_copy_string(bc->uu, tmp, sizeof(bc->uu));
08757       bc->uulen = strlen(bc->uu);
08758    }
08759 
08760    tmp = pbx_builtin_getvar_helper(chan, "MISDN_KEYPAD");
08761    if (tmp) {
08762       ast_copy_string(bc->keypad, tmp, sizeof(bc->keypad));
08763    }
08764    ast_channel_unlock(chan);
08765 }
08766 
08767 /*! \brief Export parameters to the dialplan environment variables */
08768 void export_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch)
08769 {
08770    char tmp[32];
08771 
08772    /*
08773     * The only use for MISDN_PID is if there is a problem and you
08774     * have to use the "misdn restart pid" CLI command.  Otherwise,
08775     * the pid is not used by anyone.  The internal use of MISDN_PID
08776     * has been deleted.
08777     */
08778    chan_misdn_log(3, bc->port, " --> EXPORT_PID: pid:%d\n", bc->pid);
08779    snprintf(tmp, sizeof(tmp), "%d", bc->pid);
08780    pbx_builtin_setvar_helper(chan, "_MISDN_PID", tmp);
08781 
08782    if (bc->sending_complete) {
08783       snprintf(tmp, sizeof(tmp), "%d", bc->sending_complete);
08784       pbx_builtin_setvar_helper(chan, "MISDN_ADDRESS_COMPLETE", tmp);
08785    }
08786 
08787    if (bc->urate) {
08788       snprintf(tmp, sizeof(tmp), "%d", bc->urate);
08789       pbx_builtin_setvar_helper(chan, "MISDN_URATE", tmp);
08790    }
08791 
08792    if (bc->uulen) {
08793       pbx_builtin_setvar_helper(chan, "MISDN_USERUSER", bc->uu);
08794    }
08795 
08796    if (!ast_strlen_zero(bc->keypad)) {
08797       pbx_builtin_setvar_helper(chan, "MISDN_KEYPAD", bc->keypad);
08798    }
08799 }
08800 
08801 int add_in_calls(int port)
08802 {
08803    int max_in_calls;
08804 
08805    misdn_cfg_get(port, MISDN_CFG_MAX_IN, &max_in_calls, sizeof(max_in_calls));
08806    misdn_in_calls[port]++;
08807 
08808    if (max_in_calls >= 0 && max_in_calls < misdn_in_calls[port]) {
08809       ast_log(LOG_NOTICE, "Marking Incoming Call on port[%d]\n", port);
08810       return misdn_in_calls[port] - max_in_calls;
08811    }
08812 
08813    return 0;
08814 }
08815 
08816 int add_out_calls(int port)
08817 {
08818    int max_out_calls;
08819 
08820    misdn_cfg_get(port, MISDN_CFG_MAX_OUT, &max_out_calls, sizeof(max_out_calls));
08821 
08822    if (max_out_calls >= 0 && max_out_calls <= misdn_out_calls[port]) {
08823       ast_log(LOG_NOTICE, "Rejecting Outgoing Call on port[%d]\n", port);
08824       return (misdn_out_calls[port] + 1) - max_out_calls;
08825    }
08826 
08827    misdn_out_calls[port]++;
08828 
08829    return 0;
08830 }
08831 
08832 static void start_pbx(struct chan_list *ch, struct misdn_bchannel *bc, struct ast_channel *chan)
08833 {
08834    if (pbx_start_chan(ch) < 0) {
08835       hangup_chan(ch, bc);
08836       chan_misdn_log(-1, bc->port, "ast_pbx_start returned <0 in SETUP\n");
08837       if (bc->nt) {
08838          hanguptone_indicate(ch);
08839          misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
08840       } else {
08841          misdn_lib_send_event(bc, EVENT_RELEASE);
08842       }
08843    }
08844 }
08845 
08846 static void wait_for_digits(struct chan_list *ch, struct misdn_bchannel *bc, struct ast_channel *chan)
08847 {
08848    ch->state = MISDN_WAITING4DIGS;
08849    misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE);
08850    if (bc->nt && !bc->dialed.number[0]) {
08851       dialtone_indicate(ch);
08852    }
08853 }
08854 
08855 #if defined(AST_MISDN_ENHANCEMENTS)
08856 /*!
08857  * \internal
08858  * \brief Handle the FACILITY CCBSStatusRequest message.
08859  *
08860  * \param port Logical port number.
08861  * \param facility Facility ie contents.
08862  *
08863  * \return Nothing
08864  */
08865 static void misdn_cc_handle_ccbs_status_request(int port, const struct FacParm *facility)
08866 {
08867    struct misdn_cc_record *cc_record;
08868    struct misdn_bchannel dummy;
08869 
08870    switch (facility->u.CCBSStatusRequest.ComponentType) {
08871    case FacComponent_Invoke:
08872       /* Build message */
08873       misdn_make_dummy(&dummy, port, 0, misdn_lib_port_is_nt(port), 0);
08874       dummy.fac_out.Function = Fac_CCBSStatusRequest;
08875       dummy.fac_out.u.CCBSStatusRequest.InvokeID = facility->u.CCBSStatusRequest.InvokeID;
08876       dummy.fac_out.u.CCBSStatusRequest.ComponentType = FacComponent_Result;
08877 
08878       /* Answer User-A free question */
08879       AST_LIST_LOCK(&misdn_cc_records_db);
08880       cc_record = misdn_cc_find_by_reference(port, facility->u.CCBSStatusRequest.Component.Invoke.CCBSReference);
08881       if (cc_record) {
08882          dummy.fac_out.u.CCBSStatusRequest.Component.Result.Free = cc_record->party_a_free;
08883       } else {
08884          /* No record so say User-A is free */
08885          dummy.fac_out.u.CCBSStatusRequest.Component.Result.Free = 1;
08886       }
08887       AST_LIST_UNLOCK(&misdn_cc_records_db);
08888 
08889       /* Send message */
08890       print_facility(&dummy.fac_out, &dummy);
08891       misdn_lib_send_event(&dummy, EVENT_FACILITY);
08892       break;
08893 
08894    default:
08895       chan_misdn_log(0, port, " --> not yet handled: facility type:0x%04X\n", facility->Function);
08896       break;
08897    }
08898 }
08899 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
08900 
08901 #if defined(AST_MISDN_ENHANCEMENTS)
08902 /*!
08903  * \internal
08904  * \brief Start a PBX to notify that User-B is available.
08905  *
08906  * \param record_id Call completion record ID
08907  * \param notify Dialplan location to start processing.
08908  *
08909  * \return Nothing
08910  */
08911 static void misdn_cc_pbx_notify(long record_id, const struct misdn_cc_notify *notify)
08912 {
08913    struct ast_channel *chan;
08914    char id_str[32];
08915 
08916    static unsigned short sequence = 0;
08917 
08918    /* Create a channel to notify with */
08919    snprintf(id_str, sizeof(id_str), "%ld", record_id);
08920    chan = ast_channel_alloc(0, AST_STATE_DOWN, id_str, NULL, NULL,
08921       notify->exten, notify->context, NULL, 0,
08922       "mISDN-CC/%ld-%X", record_id, (unsigned) ++sequence);
08923    if (!chan) {
08924       ast_log(LOG_ERROR, "Unable to allocate channel!\n");
08925       return;
08926    }
08927    chan->priority = notify->priority;
08928    ast_free(chan->dialed.number.str);
08929    chan->dialed.number.str = ast_strdup(notify->exten);
08930 
08931    if (ast_pbx_start(chan)) {
08932       ast_log(LOG_WARNING, "Unable to start pbx channel %s!\n", chan->name);
08933       ast_channel_release(chan);
08934    } else {
08935       ast_verb(1, "Started pbx for call completion notify channel %s\n", chan->name);
08936    }
08937 }
08938 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
08939 
08940 #if defined(AST_MISDN_ENHANCEMENTS)
08941 /*!
08942  * \internal
08943  * \brief Handle the FACILITY CCBS_T_RemoteUserFree message.
08944  *
08945  * \param bc B channel control structure message came in on
08946  *
08947  * \return Nothing
08948  */
08949 static void misdn_cc_handle_T_remote_user_free(struct misdn_bchannel *bc)
08950 {
08951    struct misdn_cc_record *cc_record;
08952    struct misdn_cc_notify notify;
08953    long record_id;
08954 
08955    AST_LIST_LOCK(&misdn_cc_records_db);
08956    cc_record = misdn_cc_find_by_bc(bc);
08957    if (cc_record) {
08958       if (cc_record->party_a_free) {
08959          notify = cc_record->remote_user_free;
08960       } else {
08961          /* Send CCBS_T_Suspend message */
08962          bc->fac_out.Function = Fac_CCBS_T_Suspend;
08963          bc->fac_out.u.CCBS_T_Suspend.InvokeID = ++misdn_invoke_id;
08964          print_facility(&bc->fac_out, bc);
08965          misdn_lib_send_event(bc, EVENT_FACILITY);
08966 
08967          notify = cc_record->b_free;
08968       }
08969       record_id = cc_record->record_id;
08970       AST_LIST_UNLOCK(&misdn_cc_records_db);
08971       if (notify.context[0]) {
08972          /* Party A is free or B-Free notify has been setup. */
08973          misdn_cc_pbx_notify(record_id, &notify);
08974       }
08975    } else {
08976       AST_LIST_UNLOCK(&misdn_cc_records_db);
08977    }
08978 }
08979 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
08980 
08981 #if defined(AST_MISDN_ENHANCEMENTS)
08982 /*!
08983  * \internal
08984  * \brief Handle the FACILITY CCBSRemoteUserFree message.
08985  *
08986  * \param port Logical port number.
08987  * \param facility Facility ie contents.
08988  *
08989  * \return Nothing
08990  */
08991 static void misdn_cc_handle_remote_user_free(int port, const struct FacParm *facility)
08992 {
08993    struct misdn_cc_record *cc_record;
08994    struct misdn_cc_notify notify;
08995    long record_id;
08996 
08997    AST_LIST_LOCK(&misdn_cc_records_db);
08998    cc_record = misdn_cc_find_by_reference(port, facility->u.CCBSRemoteUserFree.CCBSReference);
08999    if (cc_record) {
09000       notify = cc_record->remote_user_free;
09001       record_id = cc_record->record_id;
09002       AST_LIST_UNLOCK(&misdn_cc_records_db);
09003       misdn_cc_pbx_notify(record_id, &notify);
09004    } else {
09005       AST_LIST_UNLOCK(&misdn_cc_records_db);
09006    }
09007 }
09008 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
09009 
09010 #if defined(AST_MISDN_ENHANCEMENTS)
09011 /*!
09012  * \internal
09013  * \brief Handle the FACILITY CCBSBFree message.
09014  *
09015  * \param port Logical port number.
09016  * \param facility Facility ie contents.
09017  *
09018  * \return Nothing
09019  */
09020 static void misdn_cc_handle_b_free(int port, const struct FacParm *facility)
09021 {
09022    struct misdn_cc_record *cc_record;
09023    struct misdn_cc_notify notify;
09024    long record_id;
09025 
09026    AST_LIST_LOCK(&misdn_cc_records_db);
09027    cc_record = misdn_cc_find_by_reference(port, facility->u.CCBSBFree.CCBSReference);
09028    if (cc_record && cc_record->b_free.context[0]) {
09029       /* B-Free notify has been setup. */
09030       notify = cc_record->b_free;
09031       record_id = cc_record->record_id;
09032       AST_LIST_UNLOCK(&misdn_cc_records_db);
09033       misdn_cc_pbx_notify(record_id, &notify);
09034    } else {
09035       AST_LIST_UNLOCK(&misdn_cc_records_db);
09036    }
09037 }
09038 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
09039 
09040 /*!
09041  * \internal
09042  * \brief Handle the incoming facility ie contents
09043  *
09044  * \param event Message type facility ie came in on
09045  * \param bc B channel control structure message came in on
09046  * \param ch Associated channel call record
09047  *
09048  * \return Nothing
09049  */
09050 static void misdn_facility_ie_handler(enum event_e event, struct misdn_bchannel *bc, struct chan_list *ch)
09051 {
09052 #if defined(AST_MISDN_ENHANCEMENTS)
09053    const char *diagnostic_msg;
09054    struct misdn_cc_record *cc_record;
09055    char buf[32];
09056    struct misdn_party_id party_id;
09057    long new_record_id;
09058 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
09059 
09060    print_facility(&bc->fac_in, bc);
09061    switch (bc->fac_in.Function) {
09062 #if defined(AST_MISDN_ENHANCEMENTS)
09063    case Fac_ActivationDiversion:
09064       switch (bc->fac_in.u.ActivationDiversion.ComponentType) {
09065       case FacComponent_Result:
09066          /* Positive ACK to activation */
09067          /* We don't handle this yet */
09068          break;
09069       default:
09070          chan_misdn_log(0, bc->port," --> not yet handled: facility type:0x%04X\n",
09071             bc->fac_in.Function);
09072          break;
09073       }
09074       break;
09075    case Fac_DeactivationDiversion:
09076       switch (bc->fac_in.u.DeactivationDiversion.ComponentType) {
09077       case FacComponent_Result:
09078          /* Positive ACK to deactivation */
09079          /* We don't handle this yet */
09080          break;
09081       default:
09082          chan_misdn_log(0, bc->port," --> not yet handled: facility type:0x%04X\n",
09083             bc->fac_in.Function);
09084          break;
09085       }
09086       break;
09087    case Fac_ActivationStatusNotificationDiv:
09088       /* Sent to other MSN numbers on the line when a user activates call forwarding. */
09089       /* Sent in the first call control message of an outgoing call from the served user. */
09090       /* We do not have anything to do for this message. */
09091       break;
09092    case Fac_DeactivationStatusNotificationDiv:
09093       /* Sent to other MSN numbers on the line when a user deactivates call forwarding. */
09094       /* We do not have anything to do for this message. */
09095       break;
09096 #if 0 /* We don't handle this yet */
09097    case Fac_InterrogationDiversion:
09098       /* We don't handle this yet */
09099       break;
09100    case Fac_InterrogateServedUserNumbers:
09101       /* We don't handle this yet */
09102       break;
09103 #endif   /* We don't handle this yet */
09104    case Fac_DiversionInformation:
09105       /* Sent to the served user when a call is forwarded. */
09106       /* We do not have anything to do for this message. */
09107       break;
09108    case Fac_CallDeflection:
09109       if (ch && ch->ast) {
09110          switch (bc->fac_in.u.CallDeflection.ComponentType) {
09111          case FacComponent_Invoke:
09112             ast_copy_string(bc->redirecting.from.number, bc->dialed.number,
09113                sizeof(bc->redirecting.from.number));
09114             bc->redirecting.from.name[0] = 0;
09115             bc->redirecting.from.number_plan = bc->dialed.number_plan;
09116             bc->redirecting.from.number_type = bc->dialed.number_type;
09117             bc->redirecting.from.screening = 0;/* Unscreened */
09118             if (bc->fac_in.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent) {
09119                bc->redirecting.from.presentation =
09120                   bc->fac_in.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser
09121                   ? 0 /* Allowed */ : 1 /* Restricted */;
09122             } else {
09123                bc->redirecting.from.presentation = 0;/* Allowed */
09124             }
09125 
09126             /* Add configured prefix to the call deflection number */
09127             memset(&party_id, 0, sizeof(party_id));
09128             misdn_PartyNumber_extract(&party_id,
09129                &bc->fac_in.u.CallDeflection.Component.Invoke.Deflection.Party);
09130             misdn_add_number_prefix(bc->port, party_id.number_type,
09131                party_id.number, sizeof(party_id.number));
09132             //party_id.presentation = 0;/* Allowed */
09133             //party_id.screening = 0;/* Unscreened */
09134             bc->redirecting.to = party_id;
09135 
09136             ++bc->redirecting.count;
09137             bc->redirecting.reason = mISDN_REDIRECTING_REASON_DEFLECTION;
09138 
09139             misdn_copy_redirecting_to_ast(ch->ast, &bc->redirecting, bc->incoming_cid_tag);
09140             ast_string_field_set(ch->ast, call_forward, bc->redirecting.to.number);
09141 
09142             /* Send back positive ACK */
09143 #if 1
09144             /*
09145              * Since there are no return result arguments it must be a
09146              * generic result message.  ETSI 300-196
09147              */
09148             bc->fac_out.Function = Fac_RESULT;
09149             bc->fac_out.u.RESULT.InvokeID = bc->fac_in.u.CallDeflection.InvokeID;
09150 #else
09151             bc->fac_out.Function = Fac_CallDeflection;
09152             bc->fac_out.u.CallDeflection.InvokeID = bc->fac_in.u.CallDeflection.InvokeID;
09153             bc->fac_out.u.CallDeflection.ComponentType = FacComponent_Result;
09154 #endif
09155             print_facility(&bc->fac_out, bc);
09156             misdn_lib_send_event(bc, EVENT_DISCONNECT);
09157 
09158             /* This line is BUSY to further attempts by this dialing attempt. */
09159             ast_queue_control(ch->ast, AST_CONTROL_BUSY);
09160             break;
09161 
09162          case FacComponent_Result:
09163             /* Positive ACK to call deflection */
09164             /*
09165              * Sent in DISCONNECT or FACILITY message depending upon network option.
09166              * It is in the FACILITY message if the call is still offered to the user
09167              * while trying to alert the deflected to party.
09168              */
09169             /* Ignore the ACK */
09170             break;
09171 
09172          default:
09173             break;
09174          }
09175       }
09176       break;
09177 #if 0 /* We don't handle this yet */
09178    case Fac_CallRerouteing:
09179       /* Private-Public ISDN interworking message */
09180       /* We don't handle this yet */
09181       break;
09182 #endif   /* We don't handle this yet */
09183    case Fac_DivertingLegInformation1:
09184       /* Private-Public ISDN interworking message */
09185       bc->div_leg_3_rx_wanted = 0;
09186       if (ch && ch->ast) {
09187          bc->redirecting.reason =
09188             diversion_reason_to_misdn(bc->fac_in.u.DivertingLegInformation1.DiversionReason);
09189          if (bc->fac_in.u.DivertingLegInformation1.DivertedToPresent) {
09190             misdn_PresentedNumberUnscreened_extract(&bc->redirecting.to,
09191                &bc->fac_in.u.DivertingLegInformation1.DivertedTo);
09192 
09193             /* Add configured prefix to redirecting.to.number */
09194             misdn_add_number_prefix(bc->port, bc->redirecting.to.number_type,
09195                bc->redirecting.to.number, sizeof(bc->redirecting.to.number));
09196          } else {
09197             bc->redirecting.to.number[0] = '\0';
09198             bc->redirecting.to.number_plan = NUMPLAN_ISDN;
09199             bc->redirecting.to.number_type = NUMTYPE_UNKNOWN;
09200             bc->redirecting.to.presentation = 1;/* restricted */
09201             bc->redirecting.to.screening = 0;/* unscreened */
09202          }
09203          misdn_copy_redirecting_to_ast(ch->ast, &bc->redirecting, bc->incoming_cid_tag);
09204          bc->div_leg_3_rx_wanted = 1;
09205       }
09206       break;
09207    case Fac_DivertingLegInformation2:
09208       /* Private-Public ISDN interworking message */
09209       switch (event) {
09210       case EVENT_SETUP:
09211          /* Comes in on a SETUP with redirecting.from information */
09212          bc->div_leg_3_tx_pending = 1;
09213          if (ch && ch->ast) {
09214             /*
09215              * Setup the redirecting.to informtion so we can identify
09216              * if the user wants to manually supply the COLR for this
09217              * redirected to number if further redirects could happen.
09218              *
09219              * All the user needs to do is set the REDIRECTING(to-pres)
09220              * to the COLR and REDIRECTING(to-num) = ${EXTEN} to be safe
09221              * after determining that the incoming call was redirected by
09222              * checking if there is a REDIRECTING(from-num).
09223              */
09224             ast_copy_string(bc->redirecting.to.number, bc->dialed.number,
09225                sizeof(bc->redirecting.to.number));
09226             bc->redirecting.to.number_plan = bc->dialed.number_plan;
09227             bc->redirecting.to.number_type = bc->dialed.number_type;
09228             bc->redirecting.to.presentation = 1;/* restricted */
09229             bc->redirecting.to.screening = 0;/* unscreened */
09230 
09231             bc->redirecting.reason =
09232                diversion_reason_to_misdn(bc->fac_in.u.DivertingLegInformation2.DiversionReason);
09233             bc->redirecting.count = bc->fac_in.u.DivertingLegInformation2.DiversionCounter;
09234             if (bc->fac_in.u.DivertingLegInformation2.DivertingPresent) {
09235                /* This information is redundant if there was a redirecting ie in the SETUP. */
09236                misdn_PresentedNumberUnscreened_extract(&bc->redirecting.from,
09237                   &bc->fac_in.u.DivertingLegInformation2.Diverting);
09238 
09239                /* Add configured prefix to redirecting.from.number */
09240                misdn_add_number_prefix(bc->port, bc->redirecting.from.number_type,
09241                   bc->redirecting.from.number, sizeof(bc->redirecting.from.number));
09242             }
09243 #if 0
09244             if (bc->fac_in.u.DivertingLegInformation2.OriginalCalledPresent) {
09245                /* We have no place to put the OriginalCalled number */
09246             }
09247 #endif
09248             misdn_copy_redirecting_to_ast(ch->ast, &bc->redirecting, bc->incoming_cid_tag);
09249          }
09250          break;
09251       default:
09252          chan_misdn_log(0, bc->port," --> Expected in a SETUP message: facility type:0x%04X\n",
09253             bc->fac_in.Function);
09254          break;
09255       }
09256       break;
09257    case Fac_DivertingLegInformation3:
09258       /* Private-Public ISDN interworking message */
09259       if (bc->div_leg_3_rx_wanted) {
09260          bc->div_leg_3_rx_wanted = 0;
09261 
09262          if (ch && ch->ast) {
09263             ch->ast->redirecting.to.number.presentation =
09264                bc->fac_in.u.DivertingLegInformation3.PresentationAllowedIndicator
09265                ? AST_PRES_ALLOWED | AST_PRES_USER_NUMBER_UNSCREENED
09266                : AST_PRES_RESTRICTED | AST_PRES_USER_NUMBER_UNSCREENED;
09267             ast_channel_queue_redirecting_update(ch->ast, &ch->ast->redirecting, NULL);
09268          }
09269       }
09270       break;
09271 
09272 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
09273 
09274    case Fac_CD:
09275       if (ch && ch->ast) {
09276          ast_copy_string(bc->redirecting.from.number, bc->dialed.number,
09277             sizeof(bc->redirecting.from.number));
09278          bc->redirecting.from.name[0] = 0;
09279          bc->redirecting.from.number_plan = bc->dialed.number_plan;
09280          bc->redirecting.from.number_type = bc->dialed.number_type;
09281          bc->redirecting.from.screening = 0;/* Unscreened */
09282          bc->redirecting.from.presentation =
09283             bc->fac_in.u.CDeflection.PresentationAllowed
09284             ? 0 /* Allowed */ : 1 /* Restricted */;
09285 
09286          ast_copy_string(bc->redirecting.to.number,
09287             (char *) bc->fac_in.u.CDeflection.DeflectedToNumber,
09288             sizeof(bc->redirecting.to.number));
09289          bc->redirecting.to.name[0] = 0;
09290          bc->redirecting.to.number_plan = NUMPLAN_UNKNOWN;
09291          bc->redirecting.to.number_type = NUMTYPE_UNKNOWN;
09292          bc->redirecting.to.presentation = 0;/* Allowed */
09293          bc->redirecting.to.screening = 0;/* Unscreened */
09294 
09295          ++bc->redirecting.count;
09296          bc->redirecting.reason = mISDN_REDIRECTING_REASON_DEFLECTION;
09297 
09298          misdn_copy_redirecting_to_ast(ch->ast, &bc->redirecting, bc->incoming_cid_tag);
09299          ast_string_field_set(ch->ast, call_forward, bc->redirecting.to.number);
09300 
09301          misdn_lib_send_event(bc, EVENT_DISCONNECT);
09302 
09303          /* This line is BUSY to further attempts by this dialing attempt. */
09304          ast_queue_control(ch->ast, AST_CONTROL_BUSY);
09305       }
09306       break;
09307 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
09308    case Fac_AOCDCurrency:
09309       if (ch && ch->ast) {
09310          bc->AOCDtype = Fac_AOCDCurrency;
09311          memcpy(&bc->AOCD.currency, &bc->fac_in.u.AOCDcur, sizeof(bc->AOCD.currency));
09312          bc->AOCD_need_export = 1;
09313          export_aoc_vars(ch->originator, ch->ast, bc);
09314       }
09315       break;
09316    case Fac_AOCDChargingUnit:
09317       if (ch && ch->ast) {
09318          bc->AOCDtype = Fac_AOCDChargingUnit;
09319          memcpy(&bc->AOCD.chargingUnit, &bc->fac_in.u.AOCDchu, sizeof(bc->AOCD.chargingUnit));
09320          bc->AOCD_need_export = 1;
09321          export_aoc_vars(ch->originator, ch->ast, bc);
09322       }
09323       break;
09324 #if defined(AST_MISDN_ENHANCEMENTS)
09325    case Fac_ERROR:
09326       diagnostic_msg = misdn_to_str_error_code(bc->fac_in.u.ERROR.errorValue);
09327       chan_misdn_log(1, bc->port, " --> Facility error code: %s\n", diagnostic_msg);
09328       switch (event) {
09329       case EVENT_DISCONNECT:
09330       case EVENT_RELEASE:
09331       case EVENT_RELEASE_COMPLETE:
09332          /* Possible call failure as a result of Fac_CCBSCall/Fac_CCBS_T_Call */
09333          if (ch && ch->peer) {
09334             misdn_cc_set_peer_var(ch->peer, MISDN_ERROR_MSG, diagnostic_msg);
09335          }
09336          break;
09337       default:
09338          break;
09339       }
09340       AST_LIST_LOCK(&misdn_cc_records_db);
09341       cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.ERROR.invokeId);
09342       if (cc_record) {
09343          cc_record->outstanding_message = 0;
09344          cc_record->error_code = bc->fac_in.u.ERROR.errorValue;
09345       }
09346       AST_LIST_UNLOCK(&misdn_cc_records_db);
09347       break;
09348    case Fac_REJECT:
09349       diagnostic_msg = misdn_to_str_reject_code(bc->fac_in.u.REJECT.Code);
09350       chan_misdn_log(1, bc->port, " --> Facility reject code: %s\n", diagnostic_msg);
09351       switch (event) {
09352       case EVENT_DISCONNECT:
09353       case EVENT_RELEASE:
09354       case EVENT_RELEASE_COMPLETE:
09355          /* Possible call failure as a result of Fac_CCBSCall/Fac_CCBS_T_Call */
09356          if (ch && ch->peer) {
09357             misdn_cc_set_peer_var(ch->peer, MISDN_ERROR_MSG, diagnostic_msg);
09358          }
09359          break;
09360       default:
09361          break;
09362       }
09363       if (bc->fac_in.u.REJECT.InvokeIDPresent) {
09364          AST_LIST_LOCK(&misdn_cc_records_db);
09365          cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.REJECT.InvokeID);
09366          if (cc_record) {
09367             cc_record->outstanding_message = 0;
09368             cc_record->reject_code = bc->fac_in.u.REJECT.Code;
09369          }
09370          AST_LIST_UNLOCK(&misdn_cc_records_db);
09371       }
09372       break;
09373    case Fac_RESULT:
09374       AST_LIST_LOCK(&misdn_cc_records_db);
09375       cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.RESULT.InvokeID);
09376       if (cc_record) {
09377          cc_record->outstanding_message = 0;
09378       }
09379       AST_LIST_UNLOCK(&misdn_cc_records_db);
09380       break;
09381 #if 0 /* We don't handle this yet */
09382    case Fac_EctExecute:
09383       /* We don't handle this yet */
09384       break;
09385    case Fac_ExplicitEctExecute:
09386       /* We don't handle this yet */
09387       break;
09388    case Fac_EctLinkIdRequest:
09389       /* We don't handle this yet */
09390       break;
09391 #endif   /* We don't handle this yet */
09392    case Fac_SubaddressTransfer:
09393       /* We do not have anything to do for this message since we do not handle subaddreses. */
09394       break;
09395    case Fac_RequestSubaddress:
09396       /*
09397        * We do not have anything to do for this message since we do not handle subaddreses.
09398        * However, we do care about some other ie's that should be present.
09399        */
09400       if (bc->redirecting.to_changed) {
09401          /* Add configured prefix to redirecting.to.number */
09402          misdn_add_number_prefix(bc->port, bc->redirecting.to.number_type,
09403             bc->redirecting.to.number, sizeof(bc->redirecting.to.number));
09404       }
09405       switch (bc->notify_description_code) {
09406       case mISDN_NOTIFY_CODE_INVALID:
09407          /* Notify ie was not present. */
09408          bc->redirecting.to_changed = 0;
09409          break;
09410       case mISDN_NOTIFY_CODE_CALL_TRANSFER_ALERTING:
09411          /*
09412           * It would be preferable to update the connected line information
09413           * only when the message callStatus is active.  However, the
09414           * optional redirection number may not be present in the active
09415           * message if an alerting message were received earlier.
09416           *
09417           * The consequences if we wind up sending two updates is benign.
09418           * The other end will think that it got transferred twice.
09419           */
09420          if (!bc->redirecting.to_changed) {
09421             break;
09422          }
09423          bc->redirecting.to_changed = 0;
09424          if (!ch || !ch->ast) {
09425             break;
09426          }
09427          misdn_update_remote_party(ch->ast, &bc->redirecting.to,
09428             AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER_ALERTING,
09429             bc->incoming_cid_tag);
09430          break;
09431       case mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE:
09432          if (!bc->redirecting.to_changed) {
09433             break;
09434          }
09435          bc->redirecting.to_changed = 0;
09436          if (!ch || !ch->ast) {
09437             break;
09438          }
09439          misdn_update_remote_party(ch->ast, &bc->redirecting.to,
09440             AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER, bc->incoming_cid_tag);
09441          break;
09442       default:
09443          bc->redirecting.to_changed = 0;
09444          chan_misdn_log(0, bc->port," --> not yet handled: notify code:0x%02X\n",
09445             bc->notify_description_code);
09446          break;
09447       }
09448       bc->notify_description_code = mISDN_NOTIFY_CODE_INVALID;
09449       break;
09450    case Fac_EctInform:
09451       /* Private-Public ISDN interworking message */
09452       if (ch && ch->ast && bc->fac_in.u.EctInform.RedirectionPresent) {
09453          /* Add configured prefix to the redirection number */
09454          memset(&party_id, 0, sizeof(party_id));
09455          misdn_PresentedNumberUnscreened_extract(&party_id,
09456             &bc->fac_in.u.EctInform.Redirection);
09457          misdn_add_number_prefix(bc->port, party_id.number_type,
09458             party_id.number, sizeof(party_id.number));
09459 
09460          /*
09461           * It would be preferable to update the connected line information
09462           * only when the message callStatus is active.  However, the
09463           * optional redirection number may not be present in the active
09464           * message if an alerting message were received earlier.
09465           *
09466           * The consequences if we wind up sending two updates is benign.
09467           * The other end will think that it got transferred twice.
09468           */
09469          misdn_update_remote_party(ch->ast, &party_id,
09470             (bc->fac_in.u.EctInform.Status == 0 /* alerting */)
09471                ? AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER_ALERTING
09472                : AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER,
09473                bc->incoming_cid_tag);
09474       }
09475       break;
09476 #if 0 /* We don't handle this yet */
09477    case Fac_EctLoopTest:
09478       /* The use of this message is unclear on how it works to detect loops. */
09479       /* We don't handle this yet */
09480       break;
09481 #endif   /* We don't handle this yet */
09482    case Fac_CallInfoRetain:
09483       switch (event) {
09484       case EVENT_ALERTING:
09485       case EVENT_DISCONNECT:
09486          /* CCBS/CCNR is available */
09487          if (ch && ch->peer) {
09488             AST_LIST_LOCK(&misdn_cc_records_db);
09489             if (ch->record_id == -1) {
09490                cc_record = misdn_cc_new();
09491             } else {
09492                /*
09493                 * We are doing a call-completion attempt
09494                 * or the switch is sending us extra call-completion
09495                 * availability indications (erroneously?).
09496                 *
09497                 * Assume that the network request retention option
09498                 * is not on and that the current call-completion
09499                 * request is disabled.
09500                 */
09501                cc_record = misdn_cc_find_by_id(ch->record_id);
09502                if (cc_record) {
09503                   if (cc_record->ptp && cc_record->mode.ptp.bc) {
09504                      /*
09505                       * What?  We are getting mixed messages from the
09506                       * switch.  We are currently setup for
09507                       * point-to-point.  Now we are switching to
09508                       * point-to-multipoint.
09509                       *
09510                       * Close the call-completion signaling link
09511                       */
09512                      cc_record->mode.ptp.bc->fac_out.Function = Fac_None;
09513                      cc_record->mode.ptp.bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
09514                      misdn_lib_send_event(cc_record->mode.ptp.bc, EVENT_RELEASE_COMPLETE);
09515                   }
09516 
09517                   /*
09518                    * Resetup the existing record for a possible new
09519                    * call-completion request.
09520                    */
09521                   new_record_id = misdn_cc_record_id_new();
09522                   if (new_record_id < 0) {
09523                      /* Looks like we must keep the old id anyway. */
09524                   } else {
09525                      cc_record->record_id = new_record_id;
09526                      ch->record_id = new_record_id;
09527                   }
09528                   cc_record->ptp = 0;
09529                   cc_record->port = bc->port;
09530                   memset(&cc_record->mode, 0, sizeof(cc_record->mode));
09531                   cc_record->mode.ptmp.linkage_id = bc->fac_in.u.CallInfoRetain.CallLinkageID;
09532                   cc_record->invoke_id = ++misdn_invoke_id;
09533                   cc_record->activated = 0;
09534                   cc_record->outstanding_message = 0;
09535                   cc_record->activation_requested = 0;
09536                   cc_record->error_code = FacError_None;
09537                   cc_record->reject_code = FacReject_None;
09538                   memset(&cc_record->remote_user_free, 0, sizeof(cc_record->remote_user_free));
09539                   memset(&cc_record->b_free, 0, sizeof(cc_record->b_free));
09540                   cc_record->time_created = time(NULL);
09541 
09542                   cc_record = NULL;
09543                } else {
09544                   /*
09545                    * Where did the record go?  We will have to recapture
09546                    * the call setup information.  Unfortunately, some
09547                    * setup information may have been changed.
09548                    */
09549                   ch->record_id = -1;
09550                   cc_record = misdn_cc_new();
09551                }
09552             }
09553             if (cc_record) {
09554                ch->record_id = cc_record->record_id;
09555                cc_record->ptp = 0;
09556                cc_record->port = bc->port;
09557                cc_record->mode.ptmp.linkage_id = bc->fac_in.u.CallInfoRetain.CallLinkageID;
09558 
09559                /* Record call information for possible call-completion attempt. */
09560                cc_record->redial.caller = bc->caller;
09561                cc_record->redial.dialed = bc->dialed;
09562                cc_record->redial.setup_bc_hlc_llc = bc->setup_bc_hlc_llc;
09563                cc_record->redial.capability = bc->capability;
09564                cc_record->redial.hdlc = bc->hdlc;
09565             }
09566             AST_LIST_UNLOCK(&misdn_cc_records_db);
09567 
09568             /* Set MISDN_CC_RECORD_ID in original channel */
09569             if (ch->record_id != -1) {
09570                snprintf(buf, sizeof(buf), "%ld", ch->record_id);
09571             } else {
09572                buf[0] = 0;
09573             }
09574             misdn_cc_set_peer_var(ch->peer, MISDN_CC_RECORD_ID, buf);
09575          }
09576          break;
09577       default:
09578          chan_misdn_log(0, bc->port,
09579             " --> Expected in a DISCONNECT or ALERTING message: facility type:0x%04X\n",
09580             bc->fac_in.Function);
09581          break;
09582       }
09583       break;
09584    case Fac_CCBS_T_Call:
09585    case Fac_CCBSCall:
09586       switch (event) {
09587       case EVENT_SETUP:
09588          /*
09589           * This is a call completion retry call.
09590           * If we had anything to do we would do it here.
09591           */
09592          break;
09593       default:
09594          chan_misdn_log(0, bc->port, " --> Expected in a SETUP message: facility type:0x%04X\n",
09595             bc->fac_in.Function);
09596          break;
09597       }
09598       break;
09599    case Fac_CCBSDeactivate:
09600       switch (bc->fac_in.u.CCBSDeactivate.ComponentType) {
09601       case FacComponent_Result:
09602          AST_LIST_LOCK(&misdn_cc_records_db);
09603          cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.CCBSDeactivate.InvokeID);
09604          if (cc_record) {
09605             cc_record->outstanding_message = 0;
09606          }
09607          AST_LIST_UNLOCK(&misdn_cc_records_db);
09608          break;
09609 
09610       default:
09611          chan_misdn_log(0, bc->port, " --> not yet handled: facility type:0x%04X\n",
09612             bc->fac_in.Function);
09613          break;
09614       }
09615       break;
09616    case Fac_CCBSErase:
09617       AST_LIST_LOCK(&misdn_cc_records_db);
09618       cc_record = misdn_cc_find_by_reference(bc->port, bc->fac_in.u.CCBSErase.CCBSReference);
09619       if (cc_record) {
09620          misdn_cc_delete(cc_record);
09621       }
09622       AST_LIST_UNLOCK(&misdn_cc_records_db);
09623       break;
09624    case Fac_CCBSRemoteUserFree:
09625       misdn_cc_handle_remote_user_free(bc->port, &bc->fac_in);
09626       break;
09627    case Fac_CCBSBFree:
09628       misdn_cc_handle_b_free(bc->port, &bc->fac_in);
09629       break;
09630    case Fac_CCBSStatusRequest:
09631       misdn_cc_handle_ccbs_status_request(bc->port, &bc->fac_in);
09632       break;
09633    case Fac_EraseCallLinkageID:
09634       AST_LIST_LOCK(&misdn_cc_records_db);
09635       cc_record = misdn_cc_find_by_linkage(bc->port,
09636          bc->fac_in.u.EraseCallLinkageID.CallLinkageID);
09637       if (cc_record && !cc_record->activation_requested) {
09638          /*
09639           * The T-RETENTION timer expired before we requested
09640           * call completion activation.  Call completion is no
09641           * longer available.
09642           */
09643          misdn_cc_delete(cc_record);
09644       }
09645       AST_LIST_UNLOCK(&misdn_cc_records_db);
09646       break;
09647    case Fac_CCBSStopAlerting:
09648       /* We do not have anything to do for this message. */
09649       break;
09650    case Fac_CCBSRequest:
09651    case Fac_CCNRRequest:
09652       switch (bc->fac_in.u.CCBSRequest.ComponentType) {
09653       case FacComponent_Result:
09654          AST_LIST_LOCK(&misdn_cc_records_db);
09655          cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.CCBSRequest.InvokeID);
09656          if (cc_record && !cc_record->ptp) {
09657             cc_record->outstanding_message = 0;
09658             cc_record->activated = 1;
09659             cc_record->mode.ptmp.recall_mode = bc->fac_in.u.CCBSRequest.Component.Result.RecallMode;
09660             cc_record->mode.ptmp.reference_id = bc->fac_in.u.CCBSRequest.Component.Result.CCBSReference;
09661          }
09662          AST_LIST_UNLOCK(&misdn_cc_records_db);
09663          break;
09664 
09665       default:
09666          chan_misdn_log(0, bc->port, " --> not yet handled: facility type:0x%04X\n",
09667             bc->fac_in.Function);
09668          break;
09669       }
09670       break;
09671 #if 0 /* We don't handle this yet */
09672    case Fac_CCBSInterrogate:
09673    case Fac_CCNRInterrogate:
09674       /* We don't handle this yet */
09675       break;
09676    case Fac_StatusRequest:
09677       /* We don't handle this yet */
09678       break;
09679 #endif   /* We don't handle this yet */
09680 #if 0 /* We don't handle this yet */
09681    case Fac_CCBS_T_Suspend:
09682    case Fac_CCBS_T_Resume:
09683       /* We don't handle this yet */
09684       break;
09685 #endif   /* We don't handle this yet */
09686    case Fac_CCBS_T_RemoteUserFree:
09687       misdn_cc_handle_T_remote_user_free(bc);
09688       break;
09689    case Fac_CCBS_T_Available:
09690       switch (event) {
09691       case EVENT_ALERTING:
09692       case EVENT_DISCONNECT:
09693          /* CCBS-T/CCNR-T is available */
09694          if (ch && ch->peer) {
09695             int set_id = 1;
09696 
09697             AST_LIST_LOCK(&misdn_cc_records_db);
09698             if (ch->record_id == -1) {
09699                cc_record = misdn_cc_new();
09700             } else {
09701                /*
09702                 * We are doing a call-completion attempt
09703                 * or the switch is sending us extra call-completion
09704                 * availability indications (erroneously?).
09705                 */
09706                cc_record = misdn_cc_find_by_id(ch->record_id);
09707                if (cc_record) {
09708                   if (cc_record->ptp && cc_record->mode.ptp.retention_enabled) {
09709                      /*
09710                       * Call-completion is still activated.
09711                       * The user does not have to request it again.
09712                       */
09713                      chan_misdn_log(1, bc->port, " --> Call-completion request retention option is enabled\n");
09714 
09715                      set_id = 0;
09716                   } else {
09717                      if (cc_record->ptp && cc_record->mode.ptp.bc) {
09718                         /*
09719                          * The network request retention option
09720                          * is not on and the current call-completion
09721                          * request is to be disabled.
09722                          *
09723                          * We should get here only if EVENT_DISCONNECT
09724                          *
09725                          * Close the call-completion signaling link
09726                          */
09727                         cc_record->mode.ptp.bc->fac_out.Function = Fac_None;
09728                         cc_record->mode.ptp.bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
09729                         misdn_lib_send_event(cc_record->mode.ptp.bc, EVENT_RELEASE_COMPLETE);
09730                      }
09731 
09732                      /*
09733                       * Resetup the existing record for a possible new
09734                       * call-completion request.
09735                       */
09736                      new_record_id = misdn_cc_record_id_new();
09737                      if (new_record_id < 0) {
09738                         /* Looks like we must keep the old id anyway. */
09739                      } else {
09740                         cc_record->record_id = new_record_id;
09741                         ch->record_id = new_record_id;
09742                      }
09743                      cc_record->ptp = 1;
09744                      cc_record->port = bc->port;
09745                      memset(&cc_record->mode, 0, sizeof(cc_record->mode));
09746                      cc_record->invoke_id = ++misdn_invoke_id;
09747                      cc_record->activated = 0;
09748                      cc_record->outstanding_message = 0;
09749                      cc_record->activation_requested = 0;
09750                      cc_record->error_code = FacError_None;
09751                      cc_record->reject_code = FacReject_None;
09752                      memset(&cc_record->remote_user_free, 0, sizeof(cc_record->remote_user_free));
09753                      memset(&cc_record->b_free, 0, sizeof(cc_record->b_free));
09754                      cc_record->time_created = time(NULL);
09755                   }
09756                   cc_record = NULL;
09757                } else {
09758                   /*
09759                    * Where did the record go?  We will have to recapture
09760                    * the call setup information.  Unfortunately, some
09761                    * setup information may have been changed.
09762                    */
09763                   ch->record_id = -1;
09764                   cc_record = misdn_cc_new();
09765                }
09766             }
09767             if (cc_record) {
09768                ch->record_id = cc_record->record_id;
09769                cc_record->ptp = 1;
09770                cc_record->port = bc->port;
09771 
09772                /* Record call information for possible call-completion attempt. */
09773                cc_record->redial.caller = bc->caller;
09774                cc_record->redial.dialed = bc->dialed;
09775                cc_record->redial.setup_bc_hlc_llc = bc->setup_bc_hlc_llc;
09776                cc_record->redial.capability = bc->capability;
09777                cc_record->redial.hdlc = bc->hdlc;
09778             }
09779             AST_LIST_UNLOCK(&misdn_cc_records_db);
09780 
09781             /* Set MISDN_CC_RECORD_ID in original channel */
09782             if (ch->record_id != -1 && set_id) {
09783                snprintf(buf, sizeof(buf), "%ld", ch->record_id);
09784             } else {
09785                buf[0] = 0;
09786             }
09787             misdn_cc_set_peer_var(ch->peer, MISDN_CC_RECORD_ID, buf);
09788          }
09789          break;
09790       default:
09791          chan_misdn_log(0, bc->port,
09792             " --> Expected in a DISCONNECT or ALERTING message: facility type:0x%04X\n",
09793             bc->fac_in.Function);
09794          break;
09795       }
09796       break;
09797    case Fac_CCBS_T_Request:
09798    case Fac_CCNR_T_Request:
09799       switch (bc->fac_in.u.CCBS_T_Request.ComponentType) {
09800       case FacComponent_Result:
09801          AST_LIST_LOCK(&misdn_cc_records_db);
09802          cc_record = misdn_cc_find_by_invoke(bc->port, bc->fac_in.u.CCBS_T_Request.InvokeID);
09803          if (cc_record && cc_record->ptp) {
09804             cc_record->outstanding_message = 0;
09805             cc_record->activated = 1;
09806             cc_record->mode.ptp.retention_enabled =
09807                cc_record->mode.ptp.requested_retention
09808                ? bc->fac_in.u.CCBS_T_Request.Component.Result.RetentionSupported
09809                ? 1 : 0
09810                : 0;
09811          }
09812          AST_LIST_UNLOCK(&misdn_cc_records_db);
09813          break;
09814 
09815       case FacComponent_Invoke:
09816          /* We cannot be User-B in ptp mode. */
09817       default:
09818          chan_misdn_log(0, bc->port, " --> not yet handled: facility type:0x%04X\n",
09819             bc->fac_in.Function);
09820          break;
09821       }
09822       break;
09823 
09824 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
09825    case Fac_None:
09826       break;
09827    default:
09828       chan_misdn_log(0, bc->port, " --> not yet handled: facility type:0x%04X\n",
09829          bc->fac_in.Function);
09830       break;
09831    }
09832 }
09833 
09834 /*!
09835  * \internal
09836  * \brief Determine if the given dialed party matches our MSN.
09837  * \since 1.8
09838  *
09839  * \param port ISDN port
09840  * \param dialed Dialed party information of incoming call.
09841  *
09842  * \retval non-zero if MSN is valid.
09843  * \retval 0 if MSN invalid.
09844  */
09845 static int misdn_is_msn_valid(int port, const struct misdn_party_dialing *dialed)
09846 {
09847    char number[sizeof(dialed->number)];
09848 
09849    ast_copy_string(number, dialed->number, sizeof(number));
09850    misdn_add_number_prefix(port, dialed->number_type, number, sizeof(number));
09851    return misdn_cfg_is_msn_valid(port, number);
09852 }
09853 
09854 /************************************************************/
09855 /*  Receive Events from isdn_lib  here                     */
09856 /************************************************************/
09857 static enum event_response_e
09858 cb_events(enum event_e event, struct misdn_bchannel *bc, void *user_data)
09859 {
09860 #if defined(AST_MISDN_ENHANCEMENTS)
09861    struct misdn_cc_record *cc_record;
09862 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
09863    struct chan_list *held_ch;
09864    struct chan_list *ch = find_chan_by_bc(bc);
09865 
09866    if (event != EVENT_BCHAN_DATA && event != EVENT_TONE_GENERATE) {
09867       int debuglevel = 1;
09868 
09869       /*  Debug Only Non-Bchan */
09870       if (event == EVENT_CLEANUP && !user_data) {
09871          debuglevel = 5;
09872       }
09873 
09874       chan_misdn_log(debuglevel, bc->port,
09875          "I IND :%s caller:\"%s\" <%s> dialed:%s pid:%d state:%s\n",
09876          manager_isdn_get_info(event),
09877          bc->caller.name,
09878          bc->caller.number,
09879          bc->dialed.number,
09880          bc->pid,
09881          ch ? misdn_get_ch_state(ch) : "none");
09882       if (debuglevel == 1) {
09883          misdn_lib_log_ies(bc);
09884          chan_misdn_log(4, bc->port, " --> bc_state:%s\n", bc_state2str(bc->bc_state));
09885       }
09886    }
09887 
09888    if (!ch) {
09889       switch(event) {
09890       case EVENT_SETUP:
09891       case EVENT_DISCONNECT:
09892       case EVENT_RELEASE:
09893       case EVENT_RELEASE_COMPLETE:
09894       case EVENT_PORT_ALARM:
09895       case EVENT_RETRIEVE:
09896       case EVENT_NEW_BC:
09897       case EVENT_FACILITY:
09898       case EVENT_REGISTER:
09899          break;
09900       case EVENT_CLEANUP:
09901       case EVENT_TONE_GENERATE:
09902       case EVENT_BCHAN_DATA:
09903          return -1;
09904       default:
09905          chan_misdn_log(1, bc->port, "Chan not existing at the moment bc->l3id:%x bc:%p event:%s port:%d channel:%d\n", bc->l3_id, bc, manager_isdn_get_info(event), bc->port, bc->channel);
09906          return -1;
09907       }
09908    } else {
09909       switch (event) {
09910       case EVENT_TONE_GENERATE:
09911          break;
09912       case EVENT_DISCONNECT:
09913       case EVENT_RELEASE:
09914       case EVENT_RELEASE_COMPLETE:
09915       case EVENT_CLEANUP:
09916       case EVENT_TIMEOUT:
09917          if (!ch->ast) {
09918             chan_misdn_log(3, bc->port, "ast_hangup already called, so we have no ast ptr anymore in event(%s)\n", manager_isdn_get_info(event));
09919          }
09920          break;
09921       default:
09922          if (!ch->ast || !MISDN_ASTERISK_TECH_PVT(ch->ast)) {
09923             if (event != EVENT_BCHAN_DATA) {
09924                ast_log(LOG_NOTICE, "No Ast or No private Pointer in Event (%d:%s)\n", event, manager_isdn_get_info(event));
09925             }
09926             chan_list_unref(ch, "No Ast or Ast private pointer");
09927             return -1;
09928          }
09929          break;
09930       }
09931    }
09932 
09933 
09934    switch (event) {
09935    case EVENT_PORT_ALARM:
09936       {
09937          int boa = 0;
09938          misdn_cfg_get(bc->port, MISDN_CFG_ALARM_BLOCK, &boa, sizeof(boa));
09939          if (boa) {
09940             cb_log(1, bc->port, " --> blocking\n");
09941             misdn_lib_port_block(bc->port);
09942          }
09943       }
09944       break;
09945    case EVENT_BCHAN_ACTIVATED:
09946       break;
09947 
09948    case EVENT_NEW_CHANNEL:
09949       update_name(ch->ast,bc->port,bc->channel);
09950       break;
09951 
09952    case EVENT_NEW_L3ID:
09953       ch->l3id=bc->l3_id;
09954       ch->addr=bc->addr;
09955       break;
09956 
09957    case EVENT_NEW_BC:
09958       if (!ch) {
09959          ch = find_hold_call(bc);
09960       }
09961 
09962       if (!ch) {
09963          ast_log(LOG_WARNING, "NEW_BC without chan_list?\n");
09964          break;
09965       }
09966 
09967       if (bc) {
09968          ch->bc = (struct misdn_bchannel *) user_data;
09969       }
09970       break;
09971 
09972    case EVENT_DTMF_TONE:
09973    {
09974       /*  sending INFOS as DTMF-Frames :) */
09975       struct ast_frame fr;
09976 
09977       memset(&fr, 0, sizeof(fr));
09978       fr.frametype = AST_FRAME_DTMF;
09979       fr.subclass.integer = bc->dtmf ;
09980       fr.src = NULL;
09981       fr.data.ptr = NULL;
09982       fr.datalen = 0;
09983       fr.samples = 0;
09984       fr.mallocd = 0;
09985       fr.offset = 0;
09986       fr.delivery = ast_tv(0,0);
09987 
09988       if (!ch->ignore_dtmf) {
09989          chan_misdn_log(2, bc->port, " --> DTMF:%c\n", bc->dtmf);
09990          ast_queue_frame(ch->ast, &fr);
09991       } else {
09992          chan_misdn_log(2, bc->port, " --> Ignoring DTMF:%c due to bridge flags\n", bc->dtmf);
09993       }
09994       break;
09995    }
09996    case EVENT_STATUS:
09997       break;
09998 
09999    case EVENT_INFORMATION:
10000       if (ch->state != MISDN_CONNECTED) {
10001          stop_indicate(ch);
10002       }
10003 
10004       if (!ch->ast) {
10005          break;
10006       }
10007 
10008       if (ch->state == MISDN_WAITING4DIGS) {
10009          /*  Ok, incomplete Setup, waiting till extension exists */
10010          if (ast_strlen_zero(bc->info_dad) && ! ast_strlen_zero(bc->keypad)) {
10011             chan_misdn_log(1, bc->port, " --> using keypad as info\n");
10012             ast_copy_string(bc->info_dad, bc->keypad, sizeof(bc->info_dad));
10013          }
10014 
10015          strncat(bc->dialed.number, bc->info_dad, sizeof(bc->dialed.number) - strlen(bc->dialed.number) - 1);
10016          ast_copy_string(ch->ast->exten, bc->dialed.number, sizeof(ch->ast->exten));
10017 
10018          /* Check for Pickup Request first */
10019          if (!strcmp(ch->ast->exten, ast_pickup_ext())) {
10020             if (ast_pickup_call(ch->ast)) {
10021                hangup_chan(ch, bc);
10022             } else {
10023                ch->state = MISDN_CALLING_ACKNOWLEDGE;
10024                hangup_chan(ch, bc);
10025                ch->ast = NULL;
10026                break;
10027             }
10028          }
10029 
10030          if (!ast_canmatch_extension(ch->ast, ch->context, bc->dialed.number, 1, bc->caller.number)) {
10031             if (ast_exists_extension(ch->ast, ch->context, "i", 1, bc->caller.number)) {
10032                ast_log(LOG_WARNING,
10033                   "Extension '%s@%s' can never match. Jumping to 'i' extension. port:%d\n",
10034                   bc->dialed.number, ch->context, bc->port);
10035                strcpy(ch->ast->exten, "i");
10036 
10037                ch->state = MISDN_DIALING;
10038                start_pbx(ch, bc, ch->ast);
10039                break;
10040             }
10041 
10042             ast_log(LOG_WARNING,
10043                "Extension '%s@%s' can never match. Disconnecting. port:%d\n"
10044                "\tMaybe you want to add an 'i' extension to catch this case.\n",
10045                bc->dialed.number, ch->context, bc->port);
10046 
10047             if (bc->nt) {
10048                hanguptone_indicate(ch);
10049             }
10050             ch->state = MISDN_EXTCANTMATCH;
10051             bc->out_cause = AST_CAUSE_UNALLOCATED;
10052 
10053             misdn_lib_send_event(bc, EVENT_DISCONNECT);
10054             break;
10055          }
10056 
10057          if (ch->overlap_dial) {
10058             ast_mutex_lock(&ch->overlap_tv_lock);
10059             ch->overlap_tv = ast_tvnow();
10060             ast_mutex_unlock(&ch->overlap_tv_lock);
10061             if (ch->overlap_dial_task == -1) {
10062                ch->overlap_dial_task =
10063                   misdn_tasks_add_variable(ch->overlap_dial, misdn_overlap_dial_task, ch);
10064             }
10065             break;
10066          }
10067 
10068          if (ast_exists_extension(ch->ast, ch->context, bc->dialed.number, 1, bc->caller.number))  {
10069             ch->state = MISDN_DIALING;
10070             start_pbx(ch, bc, ch->ast);
10071          }
10072       } else {
10073          /*  sending INFOS as DTMF-Frames :) */
10074          struct ast_frame fr;
10075          int digits;
10076 
10077          memset(&fr, 0, sizeof(fr));
10078          fr.frametype = AST_FRAME_DTMF;
10079          fr.subclass.integer = bc->info_dad[0] ;
10080          fr.src = NULL;
10081          fr.data.ptr = NULL;
10082          fr.datalen = 0;
10083          fr.samples = 0;
10084          fr.mallocd = 0;
10085          fr.offset = 0;
10086          fr.delivery = ast_tv(0,0);
10087 
10088          misdn_cfg_get(0, MISDN_GEN_APPEND_DIGITS2EXTEN, &digits, sizeof(digits));
10089          if (ch->state != MISDN_CONNECTED) {
10090             if (digits) {
10091                strncat(bc->dialed.number, bc->info_dad, sizeof(bc->dialed.number) - strlen(bc->dialed.number) - 1);
10092                ast_copy_string(ch->ast->exten, bc->dialed.number, sizeof(ch->ast->exten));
10093                ast_cdr_update(ch->ast);
10094             }
10095 
10096             ast_queue_frame(ch->ast, &fr);
10097          }
10098       }
10099       break;
10100    case EVENT_SETUP:
10101    {
10102       struct ast_channel *chan;
10103       int exceed;
10104       int ai;
10105       int im;
10106       int append_msn = 0;
10107 
10108       if (ch) {
10109          switch (ch->state) {
10110          case MISDN_NOTHING:
10111             chan_list_unref(ch, "Ignore found ch.  Is it for an outgoing call?");
10112             ch = NULL;
10113             break;
10114          default:
10115             chan_list_unref(ch, "Already have a call.");
10116             chan_misdn_log(1, bc->port, " --> Ignoring Call we have already one\n");
10117             return RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE; /*  Ignore MSNs which are not in our List */
10118          }
10119       }
10120 
10121       if (!bc->nt && !misdn_is_msn_valid(bc->port, &bc->dialed)) {
10122          chan_misdn_log(1, bc->port, " --> Ignoring Call, its not in our MSN List\n");
10123          return RESPONSE_IGNORE_SETUP; /*  Ignore MSNs which are not in our List */
10124       }
10125 
10126       if (bc->cw) {
10127          int cause;
10128          chan_misdn_log(0, bc->port, " --> Call Waiting on PMP sending RELEASE_COMPLETE\n");
10129          misdn_cfg_get(bc->port, MISDN_CFG_REJECT_CAUSE, &cause, sizeof(cause));
10130          bc->out_cause = cause ? cause : AST_CAUSE_NORMAL_CLEARING;
10131          return RESPONSE_RELEASE_SETUP;
10132       }
10133 
10134       print_bearer(bc);
10135 
10136       ch = chan_list_init(ORG_MISDN);
10137       if (!ch) {
10138          chan_misdn_log(-1, bc->port, "cb_events: malloc for chan_list failed!\n");
10139          return 0;
10140       }
10141 
10142       ch->bc = bc;
10143       ch->l3id = bc->l3_id;
10144       ch->addr = bc->addr;
10145 
10146       chan = misdn_new(ch, AST_STATE_RESERVED, bc->dialed.number, bc->caller.number, AST_FORMAT_ALAW, NULL, bc->port, bc->channel);
10147       if (!chan) {
10148          chan_list_unref(ch, "Failed to create a new channel");
10149          misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
10150          ast_log(LOG_ERROR, "cb_events: misdn_new failed !\n");
10151          return 0;
10152       }
10153 
10154       if ((exceed = add_in_calls(bc->port))) {
10155          char tmp[16];
10156          snprintf(tmp, sizeof(tmp), "%d", exceed);
10157          pbx_builtin_setvar_helper(chan, "MAX_OVERFLOW", tmp);
10158       }
10159 
10160       read_config(ch);
10161 
10162       export_ch(chan, bc, ch);
10163 
10164       ch->ast->rings = 1;
10165       ast_setstate(ch->ast, AST_STATE_RINGING);
10166 
10167       /* Update asterisk channel caller information */
10168       chan_misdn_log(2, bc->port, " --> TON: %s(%d)\n", misdn_to_str_ton(bc->caller.number_type), bc->caller.number_type);
10169       chan_misdn_log(2, bc->port, " --> PLAN: %s(%d)\n", misdn_to_str_plan(bc->caller.number_plan), bc->caller.number_plan);
10170       chan->caller.id.number.plan = misdn_to_ast_ton(bc->caller.number_type)
10171          | misdn_to_ast_plan(bc->caller.number_plan);
10172 
10173       chan_misdn_log(2, bc->port, " --> PRES: %s(%d)\n", misdn_to_str_pres(bc->caller.presentation), bc->caller.presentation);
10174       chan_misdn_log(2, bc->port, " --> SCREEN: %s(%d)\n", misdn_to_str_screen(bc->caller.screening), bc->caller.screening);
10175       chan->caller.id.number.presentation = misdn_to_ast_pres(bc->caller.presentation)
10176          | misdn_to_ast_screen(bc->caller.screening);
10177 
10178       ast_set_callerid(chan, bc->caller.number, NULL, bc->caller.number);
10179 
10180       misdn_cfg_get(bc->port, MISDN_CFG_APPEND_MSN_TO_CALLERID_TAG, &append_msn, sizeof(append_msn));
10181       if (append_msn) {
10182          strncat(bc->incoming_cid_tag, "_", sizeof(bc->incoming_cid_tag) - strlen(bc->incoming_cid_tag) - 1);
10183          strncat(bc->incoming_cid_tag, bc->dialed.number, sizeof(bc->incoming_cid_tag) - strlen(bc->incoming_cid_tag) - 1);
10184       }
10185 
10186       ast_channel_lock(chan);
10187       chan->caller.id.tag = ast_strdup(bc->incoming_cid_tag);
10188       ast_channel_unlock(chan);
10189 
10190       if (!ast_strlen_zero(bc->redirecting.from.number)) {
10191          /* Add configured prefix to redirecting.from.number */
10192          misdn_add_number_prefix(bc->port, bc->redirecting.from.number_type, bc->redirecting.from.number, sizeof(bc->redirecting.from.number));
10193 
10194          /* Update asterisk channel redirecting information */
10195          misdn_copy_redirecting_to_ast(chan, &bc->redirecting, bc->incoming_cid_tag);
10196       }
10197 
10198       pbx_builtin_setvar_helper(chan, "TRANSFERCAPABILITY", ast_transfercapability2str(bc->capability));
10199       chan->transfercapability = bc->capability;
10200 
10201       switch (bc->capability) {
10202       case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
10203          pbx_builtin_setvar_helper(chan, "CALLTYPE", "DIGITAL");
10204          break;
10205       default:
10206          pbx_builtin_setvar_helper(chan, "CALLTYPE", "SPEECH");
10207          break;
10208       }
10209 
10210       /** queue new chan **/
10211       cl_queue_chan(ch);
10212 
10213       if (!strstr(ch->allowed_bearers, "all")) {
10214          int i;
10215 
10216          for (i = 0; i < ARRAY_LEN(allowed_bearers_array); ++i) {
10217             if (allowed_bearers_array[i].cap == bc->capability) {
10218                if (strstr(ch->allowed_bearers, allowed_bearers_array[i].name)) {
10219                   /* The bearer capability is allowed */
10220                   if (allowed_bearers_array[i].deprecated) {
10221                      chan_misdn_log(0, bc->port, "%s in allowed_bearers list is deprecated\n",
10222                         allowed_bearers_array[i].name);
10223                   }
10224                   break;
10225                }
10226             }
10227          }
10228          if (i == ARRAY_LEN(allowed_bearers_array)) {
10229             /* We did not find the bearer capability */
10230             chan_misdn_log(0, bc->port, "Bearer capability not allowed: %s(%d)\n",
10231                bearer2str(bc->capability), bc->capability);
10232             bc->out_cause = AST_CAUSE_INCOMPATIBLE_DESTINATION;
10233 
10234             ch->state = MISDN_EXTCANTMATCH;
10235             misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
10236             chan_list_unref(ch, "BC not allowed, releasing call");
10237             return RESPONSE_OK;
10238          }
10239       }
10240 
10241       if (bc->fac_in.Function != Fac_None) {
10242          misdn_facility_ie_handler(event, bc, ch);
10243       }
10244 
10245       /* Check for Pickup Request first */
10246       if (!strcmp(chan->exten, ast_pickup_ext())) {
10247          if (!ch->noautorespond_on_setup) {
10248             /* Sending SETUP_ACK */
10249             misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE);
10250          } else {
10251             ch->state = MISDN_INCOMING_SETUP;
10252          }
10253          if (ast_pickup_call(chan)) {
10254             hangup_chan(ch, bc);
10255          } else {
10256             ch->state = MISDN_CALLING_ACKNOWLEDGE;
10257             hangup_chan(ch, bc);
10258             ch->ast = NULL;
10259             break;
10260          }
10261       }
10262 
10263       /*
10264        * added support for s extension hope it will help those poor cretains
10265        * which haven't overlap dial.
10266        */
10267       misdn_cfg_get(bc->port, MISDN_CFG_ALWAYS_IMMEDIATE, &ai, sizeof(ai));
10268       if (ai) {
10269          do_immediate_setup(bc, ch, chan);
10270          break;
10271       }
10272 
10273       /* check if we should jump into s when we have no dialed.number */
10274       misdn_cfg_get(bc->port, MISDN_CFG_IMMEDIATE, &im, sizeof(im));
10275       if (im && ast_strlen_zero(bc->dialed.number)) {
10276          do_immediate_setup(bc, ch, chan);
10277          break;
10278       }
10279 
10280       chan_misdn_log(5, bc->port, "CONTEXT:%s\n", ch->context);
10281       if (!ast_canmatch_extension(ch->ast, ch->context, bc->dialed.number, 1, bc->caller.number)) {
10282          if (ast_exists_extension(ch->ast, ch->context, "i", 1, bc->caller.number)) {
10283             ast_log(LOG_WARNING,
10284                "Extension '%s@%s' can never match. Jumping to 'i' extension. port:%d\n",
10285                bc->dialed.number, ch->context, bc->port);
10286             strcpy(ch->ast->exten, "i");
10287             misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE);
10288             ch->state = MISDN_DIALING;
10289             start_pbx(ch, bc, chan);
10290             break;
10291          }
10292 
10293          ast_log(LOG_WARNING,
10294             "Extension '%s@%s' can never match. Disconnecting. port:%d\n"
10295             "\tMaybe you want to add an 'i' extension to catch this case.\n",
10296             bc->dialed.number, ch->context, bc->port);
10297          if (bc->nt) {
10298             hanguptone_indicate(ch);
10299          }
10300 
10301          ch->state = MISDN_EXTCANTMATCH;
10302          bc->out_cause = AST_CAUSE_UNALLOCATED;
10303 
10304          misdn_lib_send_event(bc, bc->nt ? EVENT_RELEASE_COMPLETE : EVENT_RELEASE);
10305          break;
10306       }
10307 
10308       /* Whatever happens, when sending_complete is set or we are PTMP TE, we will definitely
10309        * jump into the dialplan, when the dialed extension does not exist, the 's' extension
10310        * will be used by Asterisk automatically. */
10311       if (bc->sending_complete || (!bc->nt && !misdn_lib_is_ptp(bc->port))) {
10312          if (!ch->noautorespond_on_setup) {
10313             ch->state=MISDN_DIALING;
10314             misdn_lib_send_event(bc, EVENT_PROCEEDING);
10315          } else {
10316             ch->state = MISDN_INCOMING_SETUP;
10317          }
10318          start_pbx(ch, bc, chan);
10319          break;
10320       }
10321 
10322 
10323       /*
10324        * When we are NT and overlapdial is set and if
10325        * the number is empty, we wait for the ISDN timeout
10326        * instead of our own timer.
10327        */
10328       if (ch->overlap_dial && bc->nt && !bc->dialed.number[0]) {
10329          wait_for_digits(ch, bc, chan);
10330          break;
10331       }
10332 
10333       /*
10334        * If overlapdial we will definitely send a SETUP_ACKNOWLEDGE and wait for more
10335        * Infos with a Interdigit Timeout.
10336        * */
10337       if (ch->overlap_dial) {
10338          ast_mutex_lock(&ch->overlap_tv_lock);
10339          ch->overlap_tv = ast_tvnow();
10340          ast_mutex_unlock(&ch->overlap_tv_lock);
10341 
10342          wait_for_digits(ch, bc, chan);
10343          if (ch->overlap_dial_task == -1) {
10344             ch->overlap_dial_task =
10345                misdn_tasks_add_variable(ch->overlap_dial, misdn_overlap_dial_task, ch);
10346          }
10347          break;
10348       }
10349 
10350       /* If the extension does not exist and we're not TE_PTMP we wait for more digits
10351        * without interdigit timeout.
10352        * */
10353       if (!ast_exists_extension(ch->ast, ch->context, bc->dialed.number, 1, bc->caller.number))  {
10354          wait_for_digits(ch, bc, chan);
10355          break;
10356       }
10357 
10358       /*
10359        * If the extension exists let's just jump into it.
10360        * */
10361       if (ast_exists_extension(ch->ast, ch->context, bc->dialed.number, 1, bc->caller.number)) {
10362          misdn_lib_send_event(bc, bc->need_more_infos ? EVENT_SETUP_ACKNOWLEDGE : EVENT_PROCEEDING);
10363          ch->state = MISDN_DIALING;
10364          start_pbx(ch, bc, chan);
10365          break;
10366       }
10367       break;
10368    }
10369 #if defined(AST_MISDN_ENHANCEMENTS)
10370    case EVENT_REGISTER:
10371       if (bc->fac_in.Function != Fac_None) {
10372          misdn_facility_ie_handler(event, bc, ch);
10373       }
10374       /*
10375        * Shut down this connection immediately.
10376        * The current design of chan_misdn data structures
10377        * does not allow the proper handling of inbound call records
10378        * without an assigned B channel.  Therefore, we cannot
10379        * be the CCBS User-B party in a point-to-point setup.
10380        */
10381       bc->fac_out.Function = Fac_None;
10382       bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
10383       misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
10384       break;
10385 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
10386    case EVENT_SETUP_ACKNOWLEDGE:
10387       ch->state = MISDN_CALLING_ACKNOWLEDGE;
10388 
10389       if (bc->channel) {
10390          update_name(ch->ast,bc->port,bc->channel);
10391       }
10392 
10393       if (bc->fac_in.Function != Fac_None) {
10394          misdn_facility_ie_handler(event, bc, ch);
10395       }
10396 
10397       if (!ast_strlen_zero(bc->infos_pending)) {
10398          /* TX Pending Infos */
10399          strncat(bc->dialed.number, bc->infos_pending, sizeof(bc->dialed.number) - strlen(bc->dialed.number) - 1);
10400 
10401          if (!ch->ast) {
10402             break;
10403          }
10404          ast_copy_string(ch->ast->exten, bc->dialed.number, sizeof(ch->ast->exten));
10405          ast_copy_string(bc->info_dad, bc->infos_pending, sizeof(bc->info_dad));
10406          ast_copy_string(bc->infos_pending, "", sizeof(bc->infos_pending));
10407 
10408          misdn_lib_send_event(bc, EVENT_INFORMATION);
10409       }
10410       break;
10411    case EVENT_PROCEEDING:
10412       if (misdn_cap_is_speech(bc->capability) &&
10413          misdn_inband_avail(bc)) {
10414          start_bc_tones(ch);
10415       }
10416 
10417       ch->state = MISDN_PROCEEDING;
10418 
10419       if (bc->fac_in.Function != Fac_None) {
10420          misdn_facility_ie_handler(event, bc, ch);
10421       }
10422 
10423       if (!ch->ast) {
10424          break;
10425       }
10426 
10427       ast_queue_control(ch->ast, AST_CONTROL_PROCEEDING);
10428       break;
10429    case EVENT_PROGRESS:
10430       if (bc->channel) {
10431          update_name(ch->ast, bc->port, bc->channel);
10432       }
10433 
10434       if (bc->fac_in.Function != Fac_None) {
10435          misdn_facility_ie_handler(event, bc, ch);
10436       }
10437 
10438       if (!bc->nt) {
10439          if (misdn_cap_is_speech(bc->capability) &&
10440             misdn_inband_avail(bc)) {
10441             start_bc_tones(ch);
10442          }
10443 
10444          ch->state = MISDN_PROGRESS;
10445 
10446          if (!ch->ast) {
10447             break;
10448          }
10449          ast_queue_control(ch->ast, AST_CONTROL_PROGRESS);
10450       }
10451       break;
10452    case EVENT_ALERTING:
10453       ch->state = MISDN_ALERTING;
10454 
10455       if (!ch->ast) {
10456          break;
10457       }
10458 
10459       if (bc->fac_in.Function != Fac_None) {
10460          misdn_facility_ie_handler(event, bc, ch);
10461       }
10462 
10463       ast_queue_control(ch->ast, AST_CONTROL_RINGING);
10464       ast_setstate(ch->ast, AST_STATE_RINGING);
10465 
10466       cb_log(7, bc->port, " --> Set State Ringing\n");
10467 
10468       if (misdn_cap_is_speech(bc->capability) && misdn_inband_avail(bc)) {
10469          cb_log(1, bc->port, "Starting Tones, we have inband Data\n");
10470          start_bc_tones(ch);
10471       } else {
10472          cb_log(3, bc->port, " --> We have no inband Data, the other end must create ringing\n");
10473          if (ch->far_alerting) {
10474             cb_log(1, bc->port, " --> The other end can not do ringing eh ?.. we must do all ourself..");
10475             start_bc_tones(ch);
10476             /*tone_indicate(ch, TONE_FAR_ALERTING);*/
10477          }
10478       }
10479       break;
10480    case EVENT_CONNECT:
10481       if (bc->fac_in.Function != Fac_None) {
10482          misdn_facility_ie_handler(event, bc, ch);
10483       }
10484 #if defined(AST_MISDN_ENHANCEMENTS)
10485       if (bc->div_leg_3_rx_wanted) {
10486          bc->div_leg_3_rx_wanted = 0;
10487 
10488          if (ch->ast) {
10489             ch->ast->redirecting.to.number.presentation =
10490                AST_PRES_RESTRICTED | AST_PRES_USER_NUMBER_UNSCREENED;
10491             ast_channel_queue_redirecting_update(ch->ast, &ch->ast->redirecting, NULL);
10492          }
10493       }
10494 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
10495 
10496       /* we answer when we've got our very new L3 ID from the NT stack */
10497       misdn_lib_send_event(bc, EVENT_CONNECT_ACKNOWLEDGE);
10498 
10499       if (!ch->ast) {
10500          break;
10501       }
10502 
10503       stop_indicate(ch);
10504 
10505 #if defined(AST_MISDN_ENHANCEMENTS)
10506       if (ch->record_id != -1) {
10507          /*
10508           * We will delete the associated call completion
10509           * record since we now have a completed call.
10510           * We will not wait/depend on the network to tell
10511           * us to delete it.
10512           */
10513          AST_LIST_LOCK(&misdn_cc_records_db);
10514          cc_record = misdn_cc_find_by_id(ch->record_id);
10515          if (cc_record) {
10516             if (cc_record->ptp && cc_record->mode.ptp.bc) {
10517                /* Close the call-completion signaling link */
10518                cc_record->mode.ptp.bc->fac_out.Function = Fac_None;
10519                cc_record->mode.ptp.bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
10520                misdn_lib_send_event(cc_record->mode.ptp.bc, EVENT_RELEASE_COMPLETE);
10521             }
10522             misdn_cc_delete(cc_record);
10523          }
10524          AST_LIST_UNLOCK(&misdn_cc_records_db);
10525          ch->record_id = -1;
10526          if (ch->peer) {
10527             misdn_cc_set_peer_var(ch->peer, MISDN_CC_RECORD_ID, "");
10528 
10529             ao2_ref(ch->peer, -1);
10530             ch->peer = NULL;
10531          }
10532       }
10533 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
10534 
10535       if (!ast_strlen_zero(bc->connected.number)) {
10536          /* Add configured prefix to connected.number */
10537          misdn_add_number_prefix(bc->port, bc->connected.number_type, bc->connected.number, sizeof(bc->connected.number));
10538 
10539          /* Update the connected line information on the other channel */
10540          misdn_update_remote_party(ch->ast, &bc->connected, AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER, bc->incoming_cid_tag);
10541       }
10542 
10543       ch->l3id = bc->l3_id;
10544       ch->addr = bc->addr;
10545 
10546       start_bc_tones(ch);
10547 
10548       ch->state = MISDN_CONNECTED;
10549 
10550       ast_queue_control(ch->ast, AST_CONTROL_ANSWER);
10551       break;
10552    case EVENT_CONNECT_ACKNOWLEDGE:
10553       ch->l3id = bc->l3_id;
10554       ch->addr = bc->addr;
10555 
10556       start_bc_tones(ch);
10557 
10558       ch->state = MISDN_CONNECTED;
10559       break;
10560    case EVENT_DISCONNECT:
10561       /* we might not have an ch->ast ptr here anymore */
10562       if (ch) {
10563          if (bc->fac_in.Function != Fac_None) {
10564             misdn_facility_ie_handler(event, bc, ch);
10565          }
10566 
10567          chan_misdn_log(3, bc->port, " --> org:%d nt:%d, inbandavail:%d state:%d\n", ch->originator, bc->nt, misdn_inband_avail(bc), ch->state);
10568          if (ch->originator == ORG_AST && !bc->nt && misdn_inband_avail(bc) && ch->state != MISDN_CONNECTED) {
10569             /* If there's inband information available (e.g. a
10570                recorded message saying what was wrong with the
10571                dialled number, or perhaps even giving an
10572                alternative number, then play it instead of
10573                immediately releasing the call */
10574             chan_misdn_log(1, bc->port, " --> Inband Info Avail, not sending RELEASE\n");
10575 
10576             ch->state = MISDN_DISCONNECTED;
10577             start_bc_tones(ch);
10578 
10579             if (ch->ast) {
10580                ch->ast->hangupcause = bc->cause;
10581                if (bc->cause == AST_CAUSE_USER_BUSY) {
10582                   ast_queue_control(ch->ast, AST_CONTROL_BUSY);
10583                }
10584             }
10585             ch->need_busy = 0;
10586             break;
10587          }
10588 
10589          bc->need_disconnect = 0;
10590          stop_bc_tones(ch);
10591 
10592          /* Check for held channel, to implement transfer */
10593          held_ch = find_hold_call(bc);
10594          if (!held_ch || !ch->ast || misdn_attempt_transfer(ch, held_ch)) {
10595             hangup_chan(ch, bc);
10596          }
10597       } else {
10598          held_ch = find_hold_call_l3(bc->l3_id);
10599          if (held_ch) {
10600             if (bc->fac_in.Function != Fac_None) {
10601                misdn_facility_ie_handler(event, bc, held_ch);
10602             }
10603 
10604             if (held_ch->hold.state == MISDN_HOLD_ACTIVE) {
10605                bc->need_disconnect = 0;
10606 
10607 #if defined(TRANSFER_ON_HELD_CALL_HANGUP)
10608                /*
10609                 * Some phones disconnect the held call and the active call at the
10610                 * same time to do the transfer.  Unfortunately, either call could
10611                 * be disconnected first.
10612                 */
10613                ch = find_hold_active_call(bc);
10614                if (!ch || misdn_attempt_transfer(ch, held_ch)) {
10615                   held_ch->hold.state = MISDN_HOLD_DISCONNECT;
10616                   hangup_chan(held_ch, bc);
10617                }
10618 #else
10619                hangup_chan(held_ch, bc);
10620 #endif   /* defined(TRANSFER_ON_HELD_CALL_HANGUP) */
10621             }
10622          }
10623       }
10624       if (held_ch) {
10625          chan_list_unref(held_ch, "Done with held call");
10626       }
10627       bc->out_cause = -1;
10628       if (bc->need_release) {
10629          misdn_lib_send_event(bc, EVENT_RELEASE);
10630       }
10631       break;
10632    case EVENT_RELEASE:
10633       if (!ch) {
10634          ch = find_hold_call_l3(bc->l3_id);
10635          if (!ch) {
10636             chan_misdn_log(1, bc->port,
10637                " --> no Ch, so we've already released. (%s)\n",
10638                manager_isdn_get_info(event));
10639             return -1;
10640          }
10641       }
10642       if (bc->fac_in.Function != Fac_None) {
10643          misdn_facility_ie_handler(event, bc, ch);
10644       }
10645 
10646       bc->need_disconnect = 0;
10647       bc->need_release = 0;
10648 
10649       hangup_chan(ch, bc);
10650       release_chan(ch, bc);
10651       break;
10652    case EVENT_RELEASE_COMPLETE:
10653       if (!ch) {
10654          ch = find_hold_call_l3(bc->l3_id);
10655       }
10656 
10657       bc->need_disconnect = 0;
10658       bc->need_release = 0;
10659       bc->need_release_complete = 0;
10660 
10661       if (ch) {
10662          if (bc->fac_in.Function != Fac_None) {
10663             misdn_facility_ie_handler(event, bc, ch);
10664          }
10665 
10666          stop_bc_tones(ch);
10667          hangup_chan(ch, bc);
10668          release_chan(ch, bc);
10669       } else {
10670 #if defined(AST_MISDN_ENHANCEMENTS)
10671          /*
10672           * A call-completion signaling link established with
10673           * REGISTER does not have a struct chan_list record
10674           * associated with it.
10675           */
10676          AST_LIST_LOCK(&misdn_cc_records_db);
10677          cc_record = misdn_cc_find_by_bc(bc);
10678          if (cc_record) {
10679             /* The call-completion signaling link is closed. */
10680             misdn_cc_delete(cc_record);
10681          }
10682          AST_LIST_UNLOCK(&misdn_cc_records_db);
10683 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
10684 
10685          chan_misdn_log(1, bc->port,
10686             " --> no Ch, so we've already released. (%s)\n",
10687             manager_isdn_get_info(event));
10688       }
10689       break;
10690    case EVENT_BCHAN_ERROR:
10691    case EVENT_CLEANUP:
10692       stop_bc_tones(ch);
10693 
10694       switch (ch->state) {
10695       case MISDN_CALLING:
10696          bc->cause = AST_CAUSE_DESTINATION_OUT_OF_ORDER;
10697          break;
10698       default:
10699          break;
10700       }
10701 
10702       hangup_chan(ch, bc);
10703       release_chan(ch, bc);
10704       break;
10705    case EVENT_TONE_GENERATE:
10706    {
10707       int tone_len = bc->tone_cnt;
10708       struct ast_channel *ast = ch->ast;
10709       void *tmp;
10710       int res;
10711       int (*generate)(struct ast_channel *chan, void *tmp, int datalen, int samples);
10712 
10713       chan_misdn_log(9, bc->port, "TONE_GEN: len:%d\n", tone_len);
10714 
10715       if (!ast) {
10716          break;
10717       }
10718 
10719       if (!ast->generator) {
10720          break;
10721       }
10722 
10723       tmp = ast->generatordata;
10724       ast->generatordata = NULL;
10725       generate = ast->generator->generate;
10726 
10727       if (tone_len < 0 || tone_len > 512) {
10728          ast_log(LOG_NOTICE, "TONE_GEN: len was %d, set to 128\n", tone_len);
10729          tone_len = 128;
10730       }
10731 
10732       res = generate(ast, tmp, tone_len, tone_len);
10733       ast->generatordata = tmp;
10734 
10735       if (res) {
10736          ast_log(LOG_WARNING, "Auto-deactivating generator\n");
10737          ast_deactivate_generator(ast);
10738       } else {
10739          bc->tone_cnt = 0;
10740       }
10741       break;
10742    }
10743    case EVENT_BCHAN_DATA:
10744       if (ch->bc->AOCD_need_export) {
10745          export_aoc_vars(ch->originator, ch->ast, ch->bc);
10746       }
10747       if (!misdn_cap_is_speech(ch->bc->capability)) {
10748          struct ast_frame frame;
10749 
10750          /* In Data Modes we queue frames */
10751          memset(&frame, 0, sizeof(frame));
10752          frame.frametype = AST_FRAME_VOICE; /* we have no data frames yet */
10753          frame.subclass.codec = AST_FORMAT_ALAW;
10754          frame.datalen = bc->bframe_len;
10755          frame.samples = bc->bframe_len;
10756          frame.mallocd = 0;
10757          frame.offset = 0;
10758          frame.delivery = ast_tv(0, 0);
10759          frame.src = NULL;
10760          frame.data.ptr = bc->bframe;
10761 
10762          if (ch->ast) {
10763             ast_queue_frame(ch->ast, &frame);
10764          }
10765       } else {
10766          struct pollfd pfd = { .fd = ch->pipe[1], .events = POLLOUT };
10767          int t;
10768 
10769          t = ast_poll(&pfd, 1, 0);
10770 
10771          if (t < 0) {
10772             chan_misdn_log(-1, bc->port, "poll() error (err=%s)\n", strerror(errno));
10773             break;
10774          }
10775          if (!t) {
10776             chan_misdn_log(9, bc->port, "poll() timed out\n");
10777             break;
10778          }
10779 
10780          if (pfd.revents & POLLOUT) {
10781             chan_misdn_log(9, bc->port, "writing %d bytes to asterisk\n", bc->bframe_len);
10782             if (write(ch->pipe[1], bc->bframe, bc->bframe_len) <= 0) {
10783                chan_misdn_log(0, bc->port, "Write returned <=0 (err=%s) --> hanging up channel\n", strerror(errno));
10784 
10785                stop_bc_tones(ch);
10786                hangup_chan(ch, bc);
10787                release_chan(ch, bc);
10788             }
10789          } else {
10790             chan_misdn_log(1, bc->port, "Write Pipe full!\n");
10791          }
10792       }
10793       break;
10794    case EVENT_TIMEOUT:
10795       if (ch && bc) {
10796          chan_misdn_log(1, bc->port, "--> state: %s\n", misdn_get_ch_state(ch));
10797       }
10798 
10799       switch (ch->state) {
10800       case MISDN_DIALING:
10801       case MISDN_PROGRESS:
10802          if (bc->nt && !ch->nttimeout) {
10803             break;
10804          }
10805          /* fall-through */
10806       case MISDN_CALLING:
10807       case MISDN_ALERTING:
10808       case MISDN_PROCEEDING:
10809       case MISDN_CALLING_ACKNOWLEDGE:
10810          if (bc->nt) {
10811             bc->progress_indicator = INFO_PI_INBAND_AVAILABLE;
10812             hanguptone_indicate(ch);
10813          }
10814 
10815          bc->out_cause = AST_CAUSE_UNALLOCATED;
10816          misdn_lib_send_event(bc, EVENT_DISCONNECT);
10817          break;
10818       case MISDN_WAITING4DIGS:
10819          if (bc->nt) {
10820             bc->progress_indicator = INFO_PI_INBAND_AVAILABLE;
10821             bc->out_cause = AST_CAUSE_UNALLOCATED;
10822             hanguptone_indicate(ch);
10823             misdn_lib_send_event(bc, EVENT_DISCONNECT);
10824          } else {
10825             bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
10826             misdn_lib_send_event(bc, EVENT_RELEASE);
10827          }
10828          break;
10829       case MISDN_CLEANING:
10830          chan_misdn_log(1, bc->port, " --> in state cleaning .. so ignoring, the stack should clean it for us\n");
10831          break;
10832       default:
10833          misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
10834          break;
10835       }
10836       break;
10837 
10838    /****************************/
10839    /** Supplementary Services **/
10840    /****************************/
10841    case EVENT_RETRIEVE:
10842       if (!ch) {
10843          chan_misdn_log(4, bc->port, " --> no CH, searching for held call\n");
10844          ch = find_hold_call_l3(bc->l3_id);
10845          if (!ch || ch->hold.state != MISDN_HOLD_ACTIVE) {
10846             ast_log(LOG_WARNING, "No held call found, cannot Retrieve\n");
10847             misdn_lib_send_event(bc, EVENT_RETRIEVE_REJECT);
10848             break;
10849          }
10850       }
10851 
10852       /* remember the channel again */
10853       ch->bc = bc;
10854 
10855       ch->hold.state = MISDN_HOLD_IDLE;
10856       ch->hold.port = 0;
10857       ch->hold.channel = 0;
10858 
10859       ast_queue_control(ch->ast, AST_CONTROL_UNHOLD);
10860 
10861       if (misdn_lib_send_event(bc, EVENT_RETRIEVE_ACKNOWLEDGE) < 0) {
10862          chan_misdn_log(4, bc->port, " --> RETRIEVE_ACK failed\n");
10863          misdn_lib_send_event(bc, EVENT_RETRIEVE_REJECT);
10864       }
10865       break;
10866    case EVENT_HOLD:
10867    {
10868       int hold_allowed;
10869       struct ast_channel *bridged;
10870 
10871       misdn_cfg_get(bc->port, MISDN_CFG_HOLD_ALLOWED, &hold_allowed, sizeof(hold_allowed));
10872       if (!hold_allowed) {
10873          chan_misdn_log(-1, bc->port, "Hold not allowed this port.\n");
10874          misdn_lib_send_event(bc, EVENT_HOLD_REJECT);
10875          break;
10876       }
10877 
10878       bridged = ast_bridged_channel(ch->ast);
10879       if (bridged) {
10880          chan_misdn_log(2, bc->port, "Bridge Partner is of type: %s\n", bridged->tech->type);
10881          ch->l3id = bc->l3_id;
10882 
10883          /* forget the channel now */
10884          ch->bc = NULL;
10885          ch->hold.state = MISDN_HOLD_ACTIVE;
10886          ch->hold.port = bc->port;
10887          ch->hold.channel = bc->channel;
10888 
10889          ast_queue_control(ch->ast, AST_CONTROL_HOLD);
10890 
10891          misdn_lib_send_event(bc, EVENT_HOLD_ACKNOWLEDGE);
10892       } else {
10893          misdn_lib_send_event(bc, EVENT_HOLD_REJECT);
10894          chan_misdn_log(0, bc->port, "We aren't bridged to anybody\n");
10895       }
10896       break;
10897    }
10898    case EVENT_NOTIFY:
10899       if (bc->redirecting.to_changed) {
10900          /* Add configured prefix to redirecting.to.number */
10901          misdn_add_number_prefix(bc->port, bc->redirecting.to.number_type,
10902             bc->redirecting.to.number, sizeof(bc->redirecting.to.number));
10903       }
10904       switch (bc->notify_description_code) {
10905       case mISDN_NOTIFY_CODE_DIVERSION_ACTIVATED:
10906          /* Ignore for now. */
10907          bc->redirecting.to_changed = 0;
10908          break;
10909       case mISDN_NOTIFY_CODE_CALL_IS_DIVERTING:
10910          if (!bc->redirecting.to_changed) {
10911             break;
10912          }
10913          bc->redirecting.to_changed = 0;
10914          if (!ch || !ch->ast) {
10915             break;
10916          }
10917          switch (ch->state) {
10918          case MISDN_ALERTING:
10919             /* Call is deflecting after we have seen an ALERTING message */
10920             bc->redirecting.reason = mISDN_REDIRECTING_REASON_NO_REPLY;
10921             break;
10922          default:
10923             /* Call is deflecting for call forwarding unconditional or busy reason. */
10924             bc->redirecting.reason = mISDN_REDIRECTING_REASON_UNKNOWN;
10925             break;
10926          }
10927          misdn_copy_redirecting_to_ast(ch->ast, &bc->redirecting, bc->incoming_cid_tag);
10928          ast_channel_queue_redirecting_update(ch->ast, &ch->ast->redirecting, NULL);
10929          break;
10930       case mISDN_NOTIFY_CODE_CALL_TRANSFER_ALERTING:
10931          /*
10932           * It would be preferable to update the connected line information
10933           * only when the message callStatus is active.  However, the
10934           * optional redirection number may not be present in the active
10935           * message if an alerting message were received earlier.
10936           *
10937           * The consequences if we wind up sending two updates is benign.
10938           * The other end will think that it got transferred twice.
10939           */
10940          if (!bc->redirecting.to_changed) {
10941             break;
10942          }
10943          bc->redirecting.to_changed = 0;
10944          if (!ch || !ch->ast) {
10945             break;
10946          }
10947          misdn_update_remote_party(ch->ast, &bc->redirecting.to,
10948             AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER_ALERTING,
10949             bc->incoming_cid_tag);
10950          break;
10951       case mISDN_NOTIFY_CODE_CALL_TRANSFER_ACTIVE:
10952          if (!bc->redirecting.to_changed) {
10953             break;
10954          }
10955          bc->redirecting.to_changed = 0;
10956          if (!ch || !ch->ast) {
10957             break;
10958          }
10959          misdn_update_remote_party(ch->ast, &bc->redirecting.to,
10960             AST_CONNECTED_LINE_UPDATE_SOURCE_TRANSFER, bc->incoming_cid_tag);
10961          break;
10962       default:
10963          bc->redirecting.to_changed = 0;
10964          chan_misdn_log(0, bc->port," --> not yet handled: notify code:0x%02X\n",
10965             bc->notify_description_code);
10966          break;
10967       }
10968       bc->notify_description_code = mISDN_NOTIFY_CODE_INVALID;
10969       break;
10970    case EVENT_FACILITY:
10971       if (bc->fac_in.Function == Fac_None) {
10972          /* This is a FACILITY message so we MUST have a facility ie */
10973          chan_misdn_log(0, bc->port," --> Missing facility ie or unknown facility ie contents.\n");
10974       } else {
10975          misdn_facility_ie_handler(event, bc, ch);
10976       }
10977 
10978       /* In case it came in on a FACILITY message and we did not handle it. */
10979       bc->redirecting.to_changed = 0;
10980       bc->notify_description_code = mISDN_NOTIFY_CODE_INVALID;
10981       break;
10982    case EVENT_RESTART:
10983       if (!bc->dummy) {
10984          stop_bc_tones(ch);
10985          release_chan(ch, bc);
10986       }
10987       break;
10988    default:
10989       chan_misdn_log(1, 0, "Got Unknown Event\n");
10990       break;
10991    }
10992 
10993    if (ch) {
10994       chan_list_unref(ch, "cb_event complete OK");
10995    }
10996    return RESPONSE_OK;
10997 }
10998 
10999 /** TE STUFF END **/
11000 
11001 #if defined(AST_MISDN_ENHANCEMENTS)
11002 /*!
11003  * \internal
11004  * \brief Get call completion record information.
11005  *
11006  * \param chan Asterisk channel to operate upon. (Not used)
11007  * \param function_name Name of the function that called us.
11008  * \param function_args Argument string passed to function (Could be NULL)
11009  * \param buf Buffer to put returned string.
11010  * \param size Size of the supplied buffer including the null terminator.
11011  *
11012  * \retval 0 on success.
11013  * \retval -1 on error.
11014  */
11015 static int misdn_cc_read(struct ast_channel *chan, const char *function_name,
11016    char *function_args, char *buf, size_t size)
11017 {
11018    char *parse;
11019    struct misdn_cc_record *cc_record;
11020 
11021    AST_DECLARE_APP_ARGS(args,
11022       AST_APP_ARG(cc_id);     /* Call completion record ID value. */
11023       AST_APP_ARG(get_name);  /* Name of what to get */
11024       AST_APP_ARG(other);     /* Any extraneous garbage arguments */
11025    );
11026 
11027    /* Ensure that the buffer is empty */
11028    *buf = 0;
11029 
11030    if (ast_strlen_zero(function_args)) {
11031       ast_log(LOG_ERROR, "Function '%s' requires arguments.\n", function_name);
11032       return -1;
11033    }
11034 
11035    parse = ast_strdupa(function_args);
11036    AST_STANDARD_APP_ARGS(args, parse);
11037 
11038    if (!args.argc || ast_strlen_zero(args.cc_id)) {
11039       ast_log(LOG_ERROR, "Function '%s' missing call completion record ID.\n",
11040          function_name);
11041       return -1;
11042    }
11043    if (!isdigit(*args.cc_id)) {
11044       ast_log(LOG_ERROR, "Function '%s' call completion record ID must be numeric.\n",
11045          function_name);
11046       return -1;
11047    }
11048 
11049    if (ast_strlen_zero(args.get_name)) {
11050       ast_log(LOG_ERROR, "Function '%s' missing what-to-get parameter.\n",
11051          function_name);
11052       return -1;
11053    }
11054 
11055    AST_LIST_LOCK(&misdn_cc_records_db);
11056    cc_record = misdn_cc_find_by_id(atoi(args.cc_id));
11057    if (cc_record) {
11058       if (!strcasecmp("a-all", args.get_name)) {
11059          snprintf(buf, size, "\"%s\" <%s>", cc_record->redial.caller.name,
11060             cc_record->redial.caller.number);
11061       } else if (!strcasecmp("a-name", args.get_name)) {
11062          ast_copy_string(buf, cc_record->redial.caller.name, size);
11063       } else if (!strncasecmp("a-num", args.get_name, 5)) {
11064          ast_copy_string(buf, cc_record->redial.caller.number, size);
11065       } else if (!strcasecmp("a-ton", args.get_name)) {
11066          snprintf(buf, size, "%d",
11067             misdn_to_ast_plan(cc_record->redial.caller.number_plan)
11068             | misdn_to_ast_ton(cc_record->redial.caller.number_type));
11069       } else if (!strncasecmp("a-pres", args.get_name, 6)) {
11070          ast_copy_string(buf, ast_named_caller_presentation(
11071             misdn_to_ast_pres(cc_record->redial.caller.presentation)
11072             | misdn_to_ast_screen(cc_record->redial.caller.screening)), size);
11073       } else if (!strcasecmp("a-busy", args.get_name)) {
11074          ast_copy_string(buf, cc_record->party_a_free ? "no" : "yes", size);
11075       } else if (!strncasecmp("b-num", args.get_name, 5)) {
11076          ast_copy_string(buf, cc_record->redial.dialed.number, size);
11077       } else if (!strcasecmp("b-ton", args.get_name)) {
11078          snprintf(buf, size, "%d",
11079             misdn_to_ast_plan(cc_record->redial.dialed.number_plan)
11080             | misdn_to_ast_ton(cc_record->redial.dialed.number_type));
11081       } else if (!strcasecmp("port", args.get_name)) {
11082          snprintf(buf, size, "%d", cc_record->port);
11083       } else if (!strcasecmp("available-notify-priority", args.get_name)) {
11084          snprintf(buf, size, "%d", cc_record->remote_user_free.priority);
11085       } else if (!strcasecmp("available-notify-exten", args.get_name)) {
11086          ast_copy_string(buf, cc_record->remote_user_free.exten, size);
11087       } else if (!strcasecmp("available-notify-context", args.get_name)) {
11088          ast_copy_string(buf, cc_record->remote_user_free.context, size);
11089       } else if (!strcasecmp("busy-notify-priority", args.get_name)) {
11090          snprintf(buf, size, "%d", cc_record->b_free.priority);
11091       } else if (!strcasecmp("busy-notify-exten", args.get_name)) {
11092          ast_copy_string(buf, cc_record->b_free.exten, size);
11093       } else if (!strcasecmp("busy-notify-context", args.get_name)) {
11094          ast_copy_string(buf, cc_record->b_free.context, size);
11095       } else {
11096          AST_LIST_UNLOCK(&misdn_cc_records_db);
11097          ast_log(LOG_ERROR, "Function '%s': Unknown what-to-get '%s'.\n", function_name, args.get_name);
11098          return -1;
11099       }
11100    }
11101    AST_LIST_UNLOCK(&misdn_cc_records_db);
11102 
11103    return 0;
11104 }
11105 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11106 
11107 #if defined(AST_MISDN_ENHANCEMENTS)
11108 static struct ast_custom_function misdn_cc_function = {
11109    .name = "mISDN_CC",
11110    .synopsis = "Get call completion record information.",
11111    .syntax = "mISDN_CC(${MISDN_CC_RECORD_ID},<what-to-get>)",
11112    .desc =
11113       "mISDN_CC(${MISDN_CC_RECORD_ID},<what-to-get>)\n"
11114       "The following can be retrieved:\n"
11115       "\"a-num\", \"a-name\", \"a-all\", \"a-ton\", \"a-pres\", \"a-busy\",\n"
11116       "\"b-num\", \"b-ton\", \"port\",\n"
11117       "  User-A is available for call completion:\n"
11118       "    \"available-notify-priority\",\n"
11119       "    \"available-notify-exten\",\n"
11120       "    \"available-notify-context\",\n"
11121       "  User-A is busy:\n"
11122       "    \"busy-notify-priority\",\n"
11123       "    \"busy-notify-exten\",\n"
11124       "    \"busy-notify-context\"\n",
11125    .read = misdn_cc_read,
11126 };
11127 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11128 
11129 /******************************************
11130  *
11131  *   Asterisk Channel Endpoint END
11132  *
11133  *
11134  *******************************************/
11135 
11136 
11137 
11138 static int unload_module(void)
11139 {
11140    /* First, take us out of the channel loop */
11141    ast_log(LOG_VERBOSE, "-- Unregistering mISDN Channel Driver --\n");
11142 
11143    misdn_tasks_destroy();
11144 
11145    if (!g_config_initialized) {
11146       return 0;
11147    }
11148 
11149    ast_cli_unregister_multiple(chan_misdn_clis, sizeof(chan_misdn_clis) / sizeof(struct ast_cli_entry));
11150 
11151    /* ast_unregister_application("misdn_crypt"); */
11152    ast_unregister_application("misdn_set_opt");
11153    ast_unregister_application("misdn_facility");
11154    ast_unregister_application("misdn_check_l2l1");
11155 #if defined(AST_MISDN_ENHANCEMENTS)
11156    ast_unregister_application(misdn_command_name);
11157    ast_custom_function_unregister(&misdn_cc_function);
11158 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11159 
11160    ast_channel_unregister(&misdn_tech);
11161 
11162    free_robin_list();
11163    misdn_cfg_destroy();
11164    misdn_lib_destroy();
11165 
11166    ast_free(misdn_out_calls);
11167    ast_free(misdn_in_calls);
11168    ast_free(misdn_debug_only);
11169    ast_free(misdn_ports);
11170    ast_free(misdn_debug);
11171 
11172 #if defined(AST_MISDN_ENHANCEMENTS)
11173    misdn_cc_destroy();
11174 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11175 
11176    return 0;
11177 }
11178 
11179 static int load_module(void)
11180 {
11181    int i, port;
11182    int ntflags = 0, ntkc = 0;
11183    char ports[256] = "";
11184    char tempbuf[BUFFERSIZE + 1];
11185    char ntfile[BUFFERSIZE + 1];
11186    struct misdn_lib_iface iface = {
11187       .cb_event = cb_events,
11188       .cb_log = chan_misdn_log,
11189       .cb_jb_empty = chan_misdn_jb_empty,
11190    };
11191 
11192    max_ports = misdn_lib_maxports_get();
11193 
11194    if (max_ports <= 0) {
11195       ast_log(LOG_ERROR, "Unable to initialize mISDN\n");
11196       return AST_MODULE_LOAD_DECLINE;
11197    }
11198 
11199    if (misdn_cfg_init(max_ports, 0)) {
11200       ast_log(LOG_ERROR, "Unable to initialize misdn_config.\n");
11201       return AST_MODULE_LOAD_DECLINE;
11202    }
11203    g_config_initialized = 1;
11204 
11205 #if defined(AST_MISDN_ENHANCEMENTS)
11206    misdn_cc_init();
11207 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11208 
11209    misdn_debug = ast_malloc(sizeof(int) * (max_ports + 1));
11210    if (!misdn_debug) {
11211       ast_log(LOG_ERROR, "Out of memory for misdn_debug\n");
11212       return AST_MODULE_LOAD_DECLINE;
11213    }
11214    misdn_ports = ast_malloc(sizeof(int) * (max_ports + 1));
11215    if (!misdn_ports) {
11216       ast_free(misdn_debug);
11217       ast_log(LOG_ERROR, "Out of memory for misdn_ports\n");
11218       return AST_MODULE_LOAD_DECLINE;
11219    }
11220    misdn_cfg_get(0, MISDN_GEN_DEBUG, &misdn_debug[0], sizeof(misdn_debug[0]));
11221    for (i = 1; i <= max_ports; i++) {
11222       misdn_debug[i] = misdn_debug[0];
11223       misdn_ports[i] = i;
11224    }
11225    *misdn_ports = 0;
11226    misdn_debug_only = ast_calloc(max_ports + 1, sizeof(int));
11227    if (!misdn_debug_only) {
11228       ast_free(misdn_ports);
11229       ast_free(misdn_debug);
11230       ast_log(LOG_ERROR, "Out of memory for misdn_debug_only\n");
11231       return AST_MODULE_LOAD_DECLINE;
11232    }
11233 
11234    misdn_cfg_get(0, MISDN_GEN_TRACEFILE, tempbuf, sizeof(tempbuf));
11235    if (!ast_strlen_zero(tempbuf)) {
11236       tracing = 1;
11237    }
11238 
11239    misdn_in_calls = ast_malloc(sizeof(int) * (max_ports + 1));
11240    if (!misdn_in_calls) {
11241       ast_free(misdn_debug_only);
11242       ast_free(misdn_ports);
11243       ast_free(misdn_debug);
11244       ast_log(LOG_ERROR, "Out of memory for misdn_in_calls\n");
11245       return AST_MODULE_LOAD_DECLINE;
11246    }
11247    misdn_out_calls = ast_malloc(sizeof(int) * (max_ports + 1));
11248    if (!misdn_out_calls) {
11249       ast_free(misdn_in_calls);
11250       ast_free(misdn_debug_only);
11251       ast_free(misdn_ports);
11252       ast_free(misdn_debug);
11253       ast_log(LOG_ERROR, "Out of memory for misdn_out_calls\n");
11254       return AST_MODULE_LOAD_DECLINE;
11255    }
11256 
11257    for (i = 1; i <= max_ports; i++) {
11258       misdn_in_calls[i] = 0;
11259       misdn_out_calls[i] = 0;
11260    }
11261 
11262    ast_mutex_init(&cl_te_lock);
11263    ast_mutex_init(&release_lock);
11264 
11265    misdn_cfg_update_ptp();
11266    misdn_cfg_get_ports_string(ports);
11267 
11268    if (!ast_strlen_zero(ports)) {
11269       chan_misdn_log(0, 0, "Got: %s from get_ports\n", ports);
11270    }
11271    if (misdn_lib_init(ports, &iface, NULL)) {
11272       chan_misdn_log(0, 0, "No te ports initialized\n");
11273    }
11274 
11275    misdn_cfg_get(0, MISDN_GEN_NTDEBUGFLAGS, &ntflags, sizeof(ntflags));
11276    misdn_cfg_get(0, MISDN_GEN_NTDEBUGFILE, &ntfile, sizeof(ntfile));
11277    misdn_cfg_get(0, MISDN_GEN_NTKEEPCALLS, &ntkc, sizeof(ntkc));
11278 
11279    misdn_lib_nt_keepcalls(ntkc);
11280    misdn_lib_nt_debug_init(ntflags, ntfile);
11281 
11282    if (ast_channel_register(&misdn_tech)) {
11283       ast_log(LOG_ERROR, "Unable to register channel class %s\n", misdn_type);
11284       unload_module();
11285       return AST_MODULE_LOAD_DECLINE;
11286    }
11287 
11288    ast_cli_register_multiple(chan_misdn_clis, sizeof(chan_misdn_clis) / sizeof(struct ast_cli_entry));
11289 
11290    ast_register_application("misdn_set_opt", misdn_set_opt_exec, "misdn_set_opt",
11291       "misdn_set_opt(:<opt><optarg>:<opt><optarg>...):\n"
11292       "Sets mISDN opts. and optargs\n"
11293       "\n"
11294       "The available options are:\n"
11295       "    a - Have Asterisk detect DTMF tones on called channel\n"
11296       "    c - Make crypted outgoing call, optarg is keyindex\n"
11297       "    d - Send display text to called phone, text is the optarg\n"
11298       "    e - Perform echo cancellation on this channel,\n"
11299       "        takes taps as optarg (32,64,128,256)\n"
11300       "   e! - Disable echo cancellation on this channel\n"
11301       "    f - Enable fax detection\n"
11302       "    h - Make digital outgoing call\n"
11303       "   h1 - Make HDLC mode digital outgoing call\n"
11304       "    i - Ignore detected DTMF tones, don't signal them to Asterisk,\n"
11305       "        they will be transported inband.\n"
11306       "   jb - Set jitter buffer length, optarg is length\n"
11307       "   jt - Set jitter buffer upper threshold, optarg is threshold\n"
11308       "   jn - Disable jitter buffer\n"
11309       "    n - Disable mISDN DSP on channel.\n"
11310       "        Disables: echo cancel, DTMF detection, and volume control.\n"
11311       "    p - Caller ID presentation,\n"
11312       "        optarg is either 'allowed' or 'restricted'\n"
11313       "    s - Send Non-inband DTMF as inband\n"
11314       "   vr - Rx gain control, optarg is gain\n"
11315       "   vt - Tx gain control, optarg is gain\n"
11316       );
11317 
11318 
11319    ast_register_application("misdn_facility", misdn_facility_exec, "misdn_facility",
11320       "misdn_facility(<FACILITY_TYPE>|<ARG1>|..)\n"
11321       "Sends the Facility Message FACILITY_TYPE with \n"
11322       "the given Arguments to the current ISDN Channel\n"
11323       "Supported Facilities are:\n"
11324       "\n"
11325       "type=calldeflect args=Nr where to deflect\n"
11326 #if defined(AST_MISDN_ENHANCEMENTS)
11327       "type=callrerouting args=Nr where to deflect\n"
11328 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11329       );
11330 
11331 
11332    ast_register_application("misdn_check_l2l1", misdn_check_l2l1, "misdn_check_l2l1",
11333       "misdn_check_l2l1(<port>||g:<groupname>,timeout)\n"
11334       "Checks if the L2 and L1 are up on either the given <port> or\n"
11335       "on the ports in the group with <groupname>\n"
11336       "If the L1/L2 are down, check_l2l1 gets up the L1/L2 and waits\n"
11337       "for <timeout> seconds that this happens. Otherwise, nothing happens\n"
11338       "\n"
11339       "This application, ensures the L1/L2 state of the Ports in a group\n"
11340       "it is intended to make the pmp_l1_check option redundant and to\n"
11341       "fix a buggy switch config from your provider\n"
11342       "\n"
11343       "a sample dialplan would look like:\n\n"
11344       "exten => _X.,1,misdn_check_l2l1(g:out|2)\n"
11345       "exten => _X.,n,dial(mISDN/g:out/${EXTEN})\n"
11346       );
11347 
11348 #if defined(AST_MISDN_ENHANCEMENTS)
11349    ast_register_application(misdn_command_name, misdn_command_exec, misdn_command_name,
11350       "misdn_command(<command>[,<options>])\n"
11351       "The following commands are defined:\n"
11352       "cc-initialize\n"
11353       "  Setup mISDN support for call completion\n"
11354       "  Must call before doing any Dial() involving call completion.\n"
11355       "ccnr-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>\n"
11356       "  Request Call Completion No Reply activation\n"
11357       "ccbs-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>\n"
11358       "  Request Call Completion Busy Subscriber activation\n"
11359       "cc-b-free,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>\n"
11360       "  Set the dialplan location to notify when User-B is available but User-A is busy.\n"
11361       "  Setting this dialplan location is optional.\n"
11362       "cc-a-busy,${MISDN_CC_RECORD_ID},<yes/no>\n"
11363       "  Set the busy status of call completion User-A\n"
11364       "cc-deactivate,${MISDN_CC_RECORD_ID}\n"
11365       "  Deactivate the identified call completion request\n"
11366       "\n"
11367       "MISDN_CC_RECORD_ID is set when Dial() returns and call completion is possible\n"
11368       "MISDN_CC_STATUS is set to ACTIVATED or ERROR after the call completion\n"
11369       "activation request.\n"
11370       "MISDN_ERROR_MSG is set to a descriptive message on error.\n"
11371       );
11372 
11373    ast_custom_function_register(&misdn_cc_function);
11374 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11375 
11376    misdn_cfg_get(0, MISDN_GEN_TRACEFILE, global_tracefile, sizeof(global_tracefile));
11377 
11378    /* start the l1 watchers */
11379 
11380    for (port = misdn_cfg_get_next_port(0); port >= 0; port = misdn_cfg_get_next_port(port)) {
11381       int l1timeout;
11382       misdn_cfg_get(port, MISDN_CFG_L1_TIMEOUT, &l1timeout, sizeof(l1timeout));
11383       if (l1timeout) {
11384          chan_misdn_log(4, 0, "Adding L1watcher task: port:%d timeout:%ds\n", port, l1timeout);
11385          misdn_tasks_add(l1timeout * 1000, misdn_l1_task, &misdn_ports[port]);
11386       }
11387    }
11388 
11389    chan_misdn_log(0, 0, "-- mISDN Channel Driver Registered --\n");
11390 
11391    return 0;
11392 }
11393 
11394 
11395 
11396 static int reload(void)
11397 {
11398    reload_config();
11399 
11400    return 0;
11401 }
11402 
11403 /*** SOME APPS ;)***/
11404 
11405 #if defined(AST_MISDN_ENHANCEMENTS)
11406 /*!
11407 * \brief misdn_command arguments container.
11408 */
11409 AST_DEFINE_APP_ARGS_TYPE(misdn_command_args,
11410    AST_APP_ARG(name);         /* Subcommand name */
11411    AST_APP_ARG(arg)[10 + 1];  /* Subcommand arguments */
11412 );
11413 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11414 
11415 #if defined(AST_MISDN_ENHANCEMENTS)
11416 static void misdn_cc_caller_destroy(void *obj)
11417 {
11418    /* oh snap! */
11419 }
11420 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11421 
11422 #if defined(AST_MISDN_ENHANCEMENTS)
11423 static struct misdn_cc_caller *misdn_cc_caller_alloc(struct ast_channel *chan)
11424 {
11425    struct misdn_cc_caller *cc_caller;
11426 
11427    if (!(cc_caller = ao2_alloc(sizeof(*cc_caller), misdn_cc_caller_destroy))) {
11428       return NULL;
11429    }
11430 
11431    cc_caller->chan = chan;
11432 
11433    return cc_caller;
11434 }
11435 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11436 
11437 #if defined(AST_MISDN_ENHANCEMENTS)
11438 /*!
11439  * \internal
11440  * \brief misdn_command(cc-initialize) subcommand handler
11441  *
11442  * \param chan Asterisk channel to operate upon.
11443  * \param subcommand Arguments for the subcommand
11444  *
11445  * \retval 0 on success.
11446  * \retval -1 on error.
11447  */
11448 static int misdn_command_cc_initialize(struct ast_channel *chan, struct misdn_command_args *subcommand)
11449 {
11450    struct misdn_cc_caller *cc_caller;
11451    struct ast_datastore *datastore;
11452 
11453    if (!(cc_caller = misdn_cc_caller_alloc(chan))) {
11454       return -1;
11455    }
11456 
11457    if (!(datastore = ast_datastore_alloc(&misdn_cc_ds_info, NULL))) {
11458       ao2_ref(cc_caller, -1);
11459       return -1;
11460    }
11461 
11462    ast_channel_lock(chan);
11463 
11464    /* Inherit reference */
11465    datastore->data = cc_caller;
11466    cc_caller = NULL;
11467 
11468    datastore->inheritance = DATASTORE_INHERIT_FOREVER;
11469 
11470    ast_channel_datastore_add(chan, datastore);
11471 
11472    ast_channel_unlock(chan);
11473 
11474    return 0;
11475 }
11476 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11477 
11478 #if defined(AST_MISDN_ENHANCEMENTS)
11479 /*!
11480  * \internal
11481  * \brief misdn_command(cc-deactivate) subcommand handler
11482  *
11483  * \details
11484  * misdn_command(cc-deactivate,${MISDN_CC_RECORD_ID})
11485  * Deactivate a call completion service instance.
11486  *
11487  * \param chan Asterisk channel to operate upon.
11488  * \param subcommand Arguments for the subcommand
11489  *
11490  * \retval 0 on success.
11491  * \retval -1 on error.
11492  */
11493 static int misdn_command_cc_deactivate(struct ast_channel *chan, struct misdn_command_args *subcommand)
11494 {
11495    long record_id;
11496    const char *error_str;
11497    struct misdn_cc_record *cc_record;
11498    struct misdn_bchannel *bc;
11499    struct misdn_bchannel dummy;
11500 
11501    static const char cmd_help[] = "%s(%s,${MISDN_CC_RECORD_ID})\n";
11502 
11503    if (ast_strlen_zero(subcommand->arg[0]) || !isdigit(*subcommand->arg[0])) {
11504       ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11505       return -1;
11506    }
11507    record_id = atol(subcommand->arg[0]);
11508 
11509    AST_LIST_LOCK(&misdn_cc_records_db);
11510    cc_record = misdn_cc_find_by_id(record_id);
11511    if (cc_record && 0 <= cc_record->port) {
11512       if (cc_record->ptp) {
11513          if (cc_record->mode.ptp.bc) {
11514             /* Close the call-completion signaling link */
11515             bc = cc_record->mode.ptp.bc;
11516             bc->fac_out.Function = Fac_None;
11517             bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
11518             misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
11519          }
11520          misdn_cc_delete(cc_record);
11521       } else if (cc_record->activated) {
11522          cc_record->error_code = FacError_None;
11523          cc_record->reject_code = FacReject_None;
11524          cc_record->invoke_id = ++misdn_invoke_id;
11525          cc_record->outstanding_message = 1;
11526 
11527          /* Build message */
11528          misdn_make_dummy(&dummy, cc_record->port, 0, misdn_lib_port_is_nt(cc_record->port), 0);
11529          dummy.fac_out.Function = Fac_CCBSDeactivate;
11530          dummy.fac_out.u.CCBSDeactivate.InvokeID = cc_record->invoke_id;
11531          dummy.fac_out.u.CCBSDeactivate.ComponentType = FacComponent_Invoke;
11532          dummy.fac_out.u.CCBSDeactivate.Component.Invoke.CCBSReference = cc_record->mode.ptmp.reference_id;
11533 
11534          /* Send message */
11535          print_facility(&dummy.fac_out, &dummy);
11536          misdn_lib_send_event(&dummy, EVENT_FACILITY);
11537       }
11538    }
11539    AST_LIST_UNLOCK(&misdn_cc_records_db);
11540 
11541    /* Wait for the response to the call completion deactivation request. */
11542    misdn_cc_response_wait(chan, MISDN_CC_REQUEST_WAIT_MAX, record_id);
11543 
11544    AST_LIST_LOCK(&misdn_cc_records_db);
11545    cc_record = misdn_cc_find_by_id(record_id);
11546    if (cc_record) {
11547       if (cc_record->port < 0) {
11548          /* The network did not tell us that call completion was available. */
11549          error_str = NULL;
11550       } else if (cc_record->outstanding_message) {
11551          cc_record->outstanding_message = 0;
11552          error_str = misdn_no_response_from_network;
11553       } else if (cc_record->reject_code != FacReject_None) {
11554          error_str = misdn_to_str_reject_code(cc_record->reject_code);
11555       } else if (cc_record->error_code != FacError_None) {
11556          error_str = misdn_to_str_error_code(cc_record->error_code);
11557       } else {
11558          error_str = NULL;
11559       }
11560 
11561       misdn_cc_delete(cc_record);
11562    } else {
11563       error_str = NULL;
11564    }
11565    AST_LIST_UNLOCK(&misdn_cc_records_db);
11566    if (error_str) {
11567       ast_verb(1, "%s(%s) diagnostic '%s' on channel %s\n",
11568          misdn_command_name, subcommand->name, error_str, chan->name);
11569       pbx_builtin_setvar_helper(chan, MISDN_ERROR_MSG, error_str);
11570    }
11571 
11572    return 0;
11573 }
11574 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11575 
11576 #if defined(AST_MISDN_ENHANCEMENTS)
11577 /*!
11578  * \internal
11579  * \brief misdn_command(cc-a-busy) subcommand handler
11580  *
11581  * \details
11582  * misdn_command(cc-a-busy,${MISDN_CC_RECORD_ID},<yes/no>)
11583  * Set the status of User-A for a call completion service instance.
11584  *
11585  * \param chan Asterisk channel to operate upon.
11586  * \param subcommand Arguments for the subcommand
11587  *
11588  * \retval 0 on success.
11589  * \retval -1 on error.
11590  */
11591 static int misdn_command_cc_a_busy(struct ast_channel *chan, struct misdn_command_args *subcommand)
11592 {
11593    long record_id;
11594    int party_a_free;
11595    struct misdn_cc_record *cc_record;
11596    struct misdn_bchannel *bc;
11597 
11598    static const char cmd_help[] = "%s(%s,${MISDN_CC_RECORD_ID},<yes/no>)\n";
11599 
11600    if (ast_strlen_zero(subcommand->arg[0]) || !isdigit(*subcommand->arg[0])) {
11601       ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11602       return -1;
11603    }
11604    record_id = atol(subcommand->arg[0]);
11605 
11606    if (ast_true(subcommand->arg[1])) {
11607       party_a_free = 0;
11608    } else if (ast_false(subcommand->arg[1])) {
11609       party_a_free = 1;
11610    } else {
11611       ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11612       return -1;
11613    }
11614 
11615    AST_LIST_LOCK(&misdn_cc_records_db);
11616    cc_record = misdn_cc_find_by_id(record_id);
11617    if (cc_record && cc_record->party_a_free != party_a_free) {
11618       /* User-A's status has changed */
11619       cc_record->party_a_free = party_a_free;
11620 
11621       if (cc_record->ptp && cc_record->mode.ptp.bc) {
11622          cc_record->error_code = FacError_None;
11623          cc_record->reject_code = FacReject_None;
11624 
11625          /* Build message */
11626          bc = cc_record->mode.ptp.bc;
11627          if (cc_record->party_a_free) {
11628             bc->fac_out.Function = Fac_CCBS_T_Resume;
11629             bc->fac_out.u.CCBS_T_Resume.InvokeID = ++misdn_invoke_id;
11630          } else {
11631             bc->fac_out.Function = Fac_CCBS_T_Suspend;
11632             bc->fac_out.u.CCBS_T_Suspend.InvokeID = ++misdn_invoke_id;
11633          }
11634 
11635          /* Send message */
11636          print_facility(&bc->fac_out, bc);
11637          misdn_lib_send_event(bc, EVENT_FACILITY);
11638       }
11639    }
11640    AST_LIST_UNLOCK(&misdn_cc_records_db);
11641 
11642    return 0;
11643 }
11644 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11645 
11646 #if defined(AST_MISDN_ENHANCEMENTS)
11647 /*!
11648  * \internal
11649  * \brief misdn_command(cc-b-free) subcommand handler
11650  *
11651  * \details
11652  * misdn_command(cc-b-free,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)
11653  * Set the dialplan location to notify when User-B is free and User-A is busy.
11654  *
11655  * \param chan Asterisk channel to operate upon.
11656  * \param subcommand Arguments for the subcommand
11657  *
11658  * \retval 0 on success.
11659  * \retval -1 on error.
11660  */
11661 static int misdn_command_cc_b_free(struct ast_channel *chan, struct misdn_command_args *subcommand)
11662 {
11663    unsigned index;
11664    long record_id;
11665    int priority;
11666    char *context;
11667    char *exten;
11668    struct misdn_cc_record *cc_record;
11669 
11670    static const char cmd_help[] = "%s(%s,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)\n";
11671 
11672    /* Check that all arguments are present */
11673    for (index = 0; index < 4; ++index) {
11674       if (ast_strlen_zero(subcommand->arg[index])) {
11675          ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11676          return -1;
11677       }
11678    }
11679 
11680    /* These must be numeric */
11681    if (!isdigit(*subcommand->arg[0]) || !isdigit(*subcommand->arg[3])) {
11682       ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11683       return -1;
11684    }
11685 
11686    record_id = atol(subcommand->arg[0]);
11687    context = subcommand->arg[1];
11688    exten = subcommand->arg[2];
11689    priority = atoi(subcommand->arg[3]);
11690 
11691    AST_LIST_LOCK(&misdn_cc_records_db);
11692    cc_record = misdn_cc_find_by_id(record_id);
11693    if (cc_record) {
11694       /* Save User-B free information */
11695       ast_copy_string(cc_record->b_free.context, context, sizeof(cc_record->b_free.context));
11696       ast_copy_string(cc_record->b_free.exten, exten, sizeof(cc_record->b_free.exten));
11697       cc_record->b_free.priority = priority;
11698    }
11699    AST_LIST_UNLOCK(&misdn_cc_records_db);
11700 
11701    return 0;
11702 }
11703 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11704 
11705 #if defined(AST_MISDN_ENHANCEMENTS)
11706 struct misdn_cc_request {
11707    enum FacFunction ptmp;
11708    enum FacFunction ptp;
11709 };
11710 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11711 
11712 #if defined(AST_MISDN_ENHANCEMENTS)
11713 /*!
11714  * \internal
11715  * \brief misdn_command(ccbs-request/ccnr-request) subcommand handler helper
11716  *
11717  * \details
11718  * misdn_command(ccbs-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)
11719  * misdn_command(ccnr-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)
11720  * Set the dialplan location to notify when User-B is free and User-A is free.
11721  *
11722  * \param chan Asterisk channel to operate upon.
11723  * \param subcommand Arguments for the subcommand
11724  * \param request Which call-completion request message to generate.
11725  *
11726  * \retval 0 on success.
11727  * \retval -1 on error.
11728  */
11729 static int misdn_command_cc_request(struct ast_channel *chan, struct misdn_command_args *subcommand, const struct misdn_cc_request *request)
11730 {
11731    unsigned index;
11732    int request_retention;
11733    long record_id;
11734    int priority;
11735    char *context;
11736    char *exten;
11737    const char *error_str;
11738    struct misdn_cc_record *cc_record;
11739    struct misdn_bchannel *bc;
11740    struct misdn_bchannel dummy;
11741    struct misdn_party_id id;
11742 
11743    static const char cmd_help[] = "%s(%s,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)\n";
11744 
11745    /* Check that all arguments are present */
11746    for (index = 0; index < 4; ++index) {
11747       if (ast_strlen_zero(subcommand->arg[index])) {
11748          ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11749          return -1;
11750       }
11751    }
11752 
11753    /* These must be numeric */
11754    if (!isdigit(*subcommand->arg[0]) || !isdigit(*subcommand->arg[3])) {
11755       ast_log(LOG_WARNING, cmd_help, misdn_command_name, subcommand->name);
11756       return -1;
11757    }
11758 
11759    record_id = atol(subcommand->arg[0]);
11760    context = subcommand->arg[1];
11761    exten = subcommand->arg[2];
11762    priority = atoi(subcommand->arg[3]);
11763 
11764    AST_LIST_LOCK(&misdn_cc_records_db);
11765    cc_record = misdn_cc_find_by_id(record_id);
11766    if (cc_record) {
11767       /* Save User-B free information */
11768       ast_copy_string(cc_record->remote_user_free.context, context,
11769          sizeof(cc_record->remote_user_free.context));
11770       ast_copy_string(cc_record->remote_user_free.exten, exten,
11771          sizeof(cc_record->remote_user_free.exten));
11772       cc_record->remote_user_free.priority = priority;
11773 
11774       if (0 <= cc_record->port) {
11775          if (cc_record->ptp) {
11776             if (!cc_record->mode.ptp.bc) {
11777                bc = misdn_lib_get_register_bc(cc_record->port);
11778                if (bc) {
11779                   cc_record->mode.ptp.bc = bc;
11780                   cc_record->error_code = FacError_None;
11781                   cc_record->reject_code = FacReject_None;
11782                   cc_record->invoke_id = ++misdn_invoke_id;
11783                   cc_record->outstanding_message = 1;
11784                   cc_record->activation_requested = 1;
11785 
11786                   misdn_cfg_get(bc->port, MISDN_CFG_CC_REQUEST_RETENTION,
11787                      &request_retention, sizeof(request_retention));
11788                   cc_record->mode.ptp.requested_retention = request_retention ? 1 : 0;
11789 
11790                   /* Build message */
11791                   bc->fac_out.Function = request->ptp;
11792                   bc->fac_out.u.CCBS_T_Request.InvokeID = cc_record->invoke_id;
11793                   bc->fac_out.u.CCBS_T_Request.ComponentType = FacComponent_Invoke;
11794                   bc->fac_out.u.CCBS_T_Request.Component.Invoke.Q931ie =
11795                      cc_record->redial.setup_bc_hlc_llc;
11796                   memset(&id, 0, sizeof(id));
11797                   id.number_plan = cc_record->redial.dialed.number_plan;
11798                   id.number_type = cc_record->redial.dialed.number_type;
11799                   ast_copy_string(id.number, cc_record->redial.dialed.number,
11800                      sizeof(id.number));
11801                   misdn_Address_fill(
11802                      &bc->fac_out.u.CCBS_T_Request.Component.Invoke.Destination,
11803                      &id);
11804                   misdn_Address_fill(
11805                      &bc->fac_out.u.CCBS_T_Request.Component.Invoke.Originating,
11806                      &cc_record->redial.caller);
11807                   bc->fac_out.u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicatorPresent = 1;
11808                   bc->fac_out.u.CCBS_T_Request.Component.Invoke.PresentationAllowedIndicator =
11809                      (cc_record->redial.caller.presentation != 0) ? 0 : 1;
11810                   bc->fac_out.u.CCBS_T_Request.Component.Invoke.RetentionSupported =
11811                      request_retention ? 1 : 0;
11812 
11813                   /* Send message */
11814                   print_facility(&bc->fac_out, bc);
11815                   misdn_lib_send_event(bc, EVENT_REGISTER);
11816                }
11817             }
11818          } else {
11819             cc_record->error_code = FacError_None;
11820             cc_record->reject_code = FacReject_None;
11821             cc_record->invoke_id = ++misdn_invoke_id;
11822             cc_record->outstanding_message = 1;
11823             cc_record->activation_requested = 1;
11824 
11825             /* Build message */
11826             misdn_make_dummy(&dummy, cc_record->port, 0,
11827                misdn_lib_port_is_nt(cc_record->port), 0);
11828             dummy.fac_out.Function = request->ptmp;
11829             dummy.fac_out.u.CCBSRequest.InvokeID = cc_record->invoke_id;
11830             dummy.fac_out.u.CCBSRequest.ComponentType = FacComponent_Invoke;
11831             dummy.fac_out.u.CCBSRequest.Component.Invoke.CallLinkageID =
11832                cc_record->mode.ptmp.linkage_id;
11833 
11834             /* Send message */
11835             print_facility(&dummy.fac_out, &dummy);
11836             misdn_lib_send_event(&dummy, EVENT_FACILITY);
11837          }
11838       }
11839    }
11840    AST_LIST_UNLOCK(&misdn_cc_records_db);
11841 
11842    /* Wait for the response to the call completion request. */
11843    misdn_cc_response_wait(chan, MISDN_CC_REQUEST_WAIT_MAX, record_id);
11844 
11845    AST_LIST_LOCK(&misdn_cc_records_db);
11846    cc_record = misdn_cc_find_by_id(record_id);
11847    if (cc_record) {
11848       if (!cc_record->activated) {
11849          if (cc_record->port < 0) {
11850             /* The network did not tell us that call completion was available. */
11851             error_str = "No port number";
11852          } else if (cc_record->outstanding_message) {
11853             cc_record->outstanding_message = 0;
11854             error_str = misdn_no_response_from_network;
11855          } else if (cc_record->reject_code != FacReject_None) {
11856             error_str = misdn_to_str_reject_code(cc_record->reject_code);
11857          } else if (cc_record->error_code != FacError_None) {
11858             error_str = misdn_to_str_error_code(cc_record->error_code);
11859          } else if (cc_record->ptp) {
11860             if (cc_record->mode.ptp.bc) {
11861                error_str = "Call-completion already requested";
11862             } else {
11863                error_str = "Could not allocate call-completion signaling link";
11864             }
11865          } else {
11866             /* Should never happen. */
11867             error_str = "Unexpected error";
11868          }
11869 
11870          /* No need to keep the call completion record. */
11871          if (cc_record->ptp && cc_record->mode.ptp.bc) {
11872             /* Close the call-completion signaling link */
11873             bc = cc_record->mode.ptp.bc;
11874             bc->fac_out.Function = Fac_None;
11875             bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
11876             misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
11877          }
11878          misdn_cc_delete(cc_record);
11879       } else {
11880          error_str = NULL;
11881       }
11882    } else {
11883       error_str = misdn_cc_record_not_found;
11884    }
11885    AST_LIST_UNLOCK(&misdn_cc_records_db);
11886    if (error_str) {
11887       ast_verb(1, "%s(%s) diagnostic '%s' on channel %s\n",
11888          misdn_command_name, subcommand->name, error_str, chan->name);
11889       pbx_builtin_setvar_helper(chan, MISDN_ERROR_MSG, error_str);
11890       pbx_builtin_setvar_helper(chan, MISDN_CC_STATUS, "ERROR");
11891    } else {
11892       pbx_builtin_setvar_helper(chan, MISDN_CC_STATUS, "ACTIVATED");
11893    }
11894 
11895    return 0;
11896 }
11897 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11898 
11899 #if defined(AST_MISDN_ENHANCEMENTS)
11900 /*!
11901  * \internal
11902  * \brief misdn_command(ccbs-request) subcommand handler
11903  *
11904  * \details
11905  * misdn_command(ccbs-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)
11906  * Set the dialplan location to notify when User-B is free and User-A is free.
11907  *
11908  * \param chan Asterisk channel to operate upon.
11909  * \param subcommand Arguments for the subcommand
11910  *
11911  * \retval 0 on success.
11912  * \retval -1 on error.
11913  */
11914 static int misdn_command_ccbs_request(struct ast_channel *chan, struct misdn_command_args *subcommand)
11915 {
11916    static const struct misdn_cc_request request = {
11917       .ptmp = Fac_CCBSRequest,
11918       .ptp = Fac_CCBS_T_Request
11919    };
11920 
11921    return misdn_command_cc_request(chan, subcommand, &request);
11922 }
11923 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11924 
11925 #if defined(AST_MISDN_ENHANCEMENTS)
11926 /*!
11927  * \internal
11928  * \brief misdn_command(ccnr-request) subcommand handler
11929  *
11930  * \details
11931  * misdn_command(ccnr-request,${MISDN_CC_RECORD_ID},<notify-context>,<user-a-extension>,<priority>)
11932  * Set the dialplan location to notify when User-B is free and User-A is free.
11933  *
11934  * \param chan Asterisk channel to operate upon.
11935  * \param subcommand Arguments for the subcommand
11936  *
11937  * \retval 0 on success.
11938  * \retval -1 on error.
11939  */
11940 static int misdn_command_ccnr_request(struct ast_channel *chan, struct misdn_command_args *subcommand)
11941 {
11942    static const struct misdn_cc_request request = {
11943       .ptmp = Fac_CCNRRequest,
11944       .ptp = Fac_CCNR_T_Request
11945    };
11946 
11947    return misdn_command_cc_request(chan, subcommand, &request);
11948 }
11949 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11950 
11951 #if defined(AST_MISDN_ENHANCEMENTS)
11952 struct misdn_command_table {
11953    /*! \brief subcommand name */
11954    const char *name;
11955 
11956    /*! \brief subcommand handler */
11957    int (*func)(struct ast_channel *chan, struct misdn_command_args *subcommand);
11958 
11959    /*! \brief TRUE if the subcommand can only be executed on mISDN channels */
11960    int misdn_only;
11961 };
11962 static const struct misdn_command_table misdn_commands[] = {
11963 /* *INDENT-OFF* */
11964    /* subcommand-name  subcommand-handler              mISDN only */
11965    { "cc-initialize",  misdn_command_cc_initialize,    0 },
11966    { "cc-deactivate",  misdn_command_cc_deactivate,    0 },
11967    { "cc-a-busy",      misdn_command_cc_a_busy,        0 },
11968    { "cc-b-free",      misdn_command_cc_b_free,        0 },
11969    { "ccbs-request",   misdn_command_ccbs_request,     0 },
11970    { "ccnr-request",   misdn_command_ccnr_request,     0 },
11971 /* *INDENT-ON* */
11972 };
11973 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
11974 
11975 #if defined(AST_MISDN_ENHANCEMENTS)
11976 /*!
11977  * \internal
11978  * \brief misdn_command() dialplan application.
11979  *
11980  * \param chan Asterisk channel to operate upon.
11981  * \param data Application options string.
11982  *
11983  * \retval 0 on success.
11984  * \retval -1 on error.
11985  */
11986 static int misdn_command_exec(struct ast_channel *chan, const char *data)
11987 {
11988    char *parse;
11989    unsigned index;
11990    struct misdn_command_args subcommand;
11991 
11992    if (ast_strlen_zero((char *) data)) {
11993       ast_log(LOG_ERROR, "%s requires arguments\n", misdn_command_name);
11994       return -1;
11995    }
11996 
11997    ast_log(LOG_DEBUG, "%s(%s)\n", misdn_command_name, (char *) data);
11998 
11999    parse = ast_strdupa(data);
12000    AST_STANDARD_APP_ARGS(subcommand, parse);
12001    if (!subcommand.argc || ast_strlen_zero(subcommand.name)) {
12002       ast_log(LOG_ERROR, "%s requires a subcommand\n", misdn_command_name);
12003       return -1;
12004    }
12005 
12006    for (index = 0; index < ARRAY_LEN(misdn_commands); ++index) {
12007       if (strcasecmp(misdn_commands[index].name, subcommand.name) == 0) {
12008          strcpy(subcommand.name, misdn_commands[index].name);
12009          if (misdn_commands[index].misdn_only
12010             && strcasecmp(chan->tech->type, misdn_type) != 0) {
12011             ast_log(LOG_WARNING,
12012                "%s(%s) only makes sense with %s channels!\n",
12013                misdn_command_name, subcommand.name, misdn_type);
12014             return -1;
12015          }
12016          return misdn_commands[index].func(chan, &subcommand);
12017       }
12018    }
12019 
12020    ast_log(LOG_WARNING, "%s(%s) subcommand is unknown\n", misdn_command_name,
12021       subcommand.name);
12022    return -1;
12023 }
12024 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
12025 
12026 static int misdn_facility_exec(struct ast_channel *chan, const char *data)
12027 {
12028    struct chan_list *ch = MISDN_ASTERISK_TECH_PVT(chan);
12029    char *parse;
12030    unsigned max_len;
12031 
12032    AST_DECLARE_APP_ARGS(args,
12033       AST_APP_ARG(facility_type);
12034       AST_APP_ARG(arg)[99];
12035    );
12036 
12037    chan_misdn_log(0, 0, "TYPE: %s\n", chan->tech->type);
12038 
12039    if (strcasecmp(chan->tech->type, misdn_type)) {
12040       ast_log(LOG_WARNING, "misdn_facility only makes sense with %s channels!\n", misdn_type);
12041       return -1;
12042    }
12043 
12044    if (ast_strlen_zero((char *) data)) {
12045       ast_log(LOG_WARNING, "misdn_facility requires arguments: facility_type[,<args>]\n");
12046       return -1;
12047    }
12048 
12049    parse = ast_strdupa(data);
12050    AST_STANDARD_APP_ARGS(args, parse);
12051 
12052    if (ast_strlen_zero(args.facility_type)) {
12053       ast_log(LOG_WARNING, "misdn_facility requires arguments: facility_type[,<args>]\n");
12054       return -1;
12055    }
12056 
12057    if (!strcasecmp(args.facility_type, "calldeflect")) {
12058       if (ast_strlen_zero(args.arg[0])) {
12059          ast_log(LOG_WARNING, "Facility: Call Deflection requires an argument: Number\n");
12060       }
12061 
12062 #if defined(AST_MISDN_ENHANCEMENTS)
12063       max_len = sizeof(ch->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Number) - 1;
12064       if (max_len < strlen(args.arg[0])) {
12065          ast_log(LOG_WARNING,
12066             "Facility: Number argument too long (up to %u digits are allowed). Ignoring.\n",
12067             max_len);
12068          return 0;
12069       }
12070       ch->bc->fac_out.Function = Fac_CallDeflection;
12071       ch->bc->fac_out.u.CallDeflection.InvokeID = ++misdn_invoke_id;
12072       ch->bc->fac_out.u.CallDeflection.ComponentType = FacComponent_Invoke;
12073       ch->bc->fac_out.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUserPresent = 1;
12074       ch->bc->fac_out.u.CallDeflection.Component.Invoke.PresentationAllowedToDivertedToUser = 0;
12075       ch->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Type = 0;/* unknown */
12076       ch->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.LengthOfNumber = strlen(args.arg[0]);
12077       strcpy((char *) ch->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Party.Number, args.arg[0]);
12078       ch->bc->fac_out.u.CallDeflection.Component.Invoke.Deflection.Subaddress.Length = 0;
12079 
12080 #else /* !defined(AST_MISDN_ENHANCEMENTS) */
12081 
12082       max_len = sizeof(ch->bc->fac_out.u.CDeflection.DeflectedToNumber) - 1;
12083       if (max_len < strlen(args.arg[0])) {
12084          ast_log(LOG_WARNING,
12085             "Facility: Number argument too long (up to %u digits are allowed). Ignoring.\n",
12086             max_len);
12087          return 0;
12088       }
12089       ch->bc->fac_out.Function = Fac_CD;
12090       ch->bc->fac_out.u.CDeflection.PresentationAllowed = 0;
12091       //ch->bc->fac_out.u.CDeflection.DeflectedToSubaddress[0] = 0;
12092       strcpy((char *) ch->bc->fac_out.u.CDeflection.DeflectedToNumber, args.arg[0]);
12093 #endif   /* !defined(AST_MISDN_ENHANCEMENTS) */
12094 
12095       /* Send message */
12096       print_facility(&ch->bc->fac_out, ch->bc);
12097       misdn_lib_send_event(ch->bc, EVENT_FACILITY);
12098 #if defined(AST_MISDN_ENHANCEMENTS)
12099    } else if (!strcasecmp(args.facility_type, "callrerouteing")
12100       || !strcasecmp(args.facility_type, "callrerouting")) {
12101       if (ast_strlen_zero(args.arg[0])) {
12102          ast_log(LOG_WARNING, "Facility: Call rerouting requires an argument: Number\n");
12103       }
12104 
12105       max_len = sizeof(ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number) - 1;
12106       if (max_len < strlen(args.arg[0])) {
12107          ast_log(LOG_WARNING,
12108             "Facility: Number argument too long (up to %u digits are allowed). Ignoring.\n",
12109             max_len);
12110          return 0;
12111       }
12112       ch->bc->fac_out.Function = Fac_CallRerouteing;
12113       ch->bc->fac_out.u.CallRerouteing.InvokeID = ++misdn_invoke_id;
12114       ch->bc->fac_out.u.CallRerouteing.ComponentType = FacComponent_Invoke;
12115 
12116       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.ReroutingReason = 0;/* unknown */
12117       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.ReroutingCounter = 1;
12118 
12119       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Type = 0;/* unknown */
12120       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.LengthOfNumber = strlen(args.arg[0]);
12121       strcpy((char *) ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Party.Number, args.arg[0]);
12122       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CalledAddress.Subaddress.Length = 0;
12123 
12124       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.CallingPartySubaddress.Length = 0;
12125 
12126       /* 0x90 0x90 0xa3 3.1 kHz audio, circuit mode, 64kbit/sec, level1/a-Law */
12127       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Length = 3;
12128       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[0] = 0x90;
12129       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[1] = 0x90;
12130       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Bc.Contents[2] = 0xa3;
12131       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Hlc.Length = 0;
12132       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.Llc.Length = 0;
12133       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.Q931ie.UserInfo.Length = 0;
12134 
12135       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.LastRerouting.Type = 1;/* presentationRestricted */
12136       ch->bc->fac_out.u.CallRerouteing.Component.Invoke.SubscriptionOption = 0;/* no notification to caller */
12137 
12138       /* Send message */
12139       print_facility(&ch->bc->fac_out, ch->bc);
12140       misdn_lib_send_event(ch->bc, EVENT_FACILITY);
12141 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
12142    } else {
12143       chan_misdn_log(1, ch->bc->port, "Unknown Facility: %s\n", args.facility_type);
12144    }
12145 
12146    return 0;
12147 }
12148 
12149 static int misdn_check_l2l1(struct ast_channel *chan, const char *data)
12150 {
12151    char *parse;
12152    char group[BUFFERSIZE + 1];
12153    char *port_str;
12154    int port = 0;
12155    int timeout;
12156    int dowait = 0;
12157    int port_up;
12158 
12159    AST_DECLARE_APP_ARGS(args,
12160       AST_APP_ARG(grouppar);
12161       AST_APP_ARG(timeout);
12162    );
12163 
12164    if (ast_strlen_zero((char *) data)) {
12165       ast_log(LOG_WARNING, "misdn_check_l2l1 Requires arguments\n");
12166       return -1;
12167    }
12168 
12169    parse = ast_strdupa(data);
12170    AST_STANDARD_APP_ARGS(args, parse);
12171 
12172    if (args.argc != 2) {
12173       ast_log(LOG_WARNING, "Wrong argument count\n");
12174       return 0;
12175    }
12176 
12177    /*ast_log(LOG_NOTICE, "Arguments: group/port '%s' timeout '%s'\n", args.grouppar, args.timeout);*/
12178    timeout = atoi(args.timeout);
12179    port_str = args.grouppar;
12180 
12181    if (port_str[0] == 'g' && port_str[1] == ':') {
12182       /* We make a group call lets checkout which ports are in my group */
12183       port_str += 2;
12184       ast_copy_string(group, port_str, sizeof(group));
12185       chan_misdn_log(2, 0, "Checking Ports in group: %s\n", group);
12186 
12187       for (port = misdn_cfg_get_next_port(port);
12188          port > 0;
12189          port = misdn_cfg_get_next_port(port)) {
12190          char cfg_group[BUFFERSIZE + 1];
12191 
12192          chan_misdn_log(2, 0, "trying port %d\n", port);
12193 
12194          misdn_cfg_get(port, MISDN_CFG_GROUPNAME, cfg_group, sizeof(cfg_group));
12195 
12196          if (!strcasecmp(cfg_group, group)) {
12197             port_up = misdn_lib_port_up(port, 1);
12198             if (!port_up) {
12199                chan_misdn_log(2, 0, " --> port '%d'\n", port);
12200                misdn_lib_get_port_up(port);
12201                dowait = 1;
12202             }
12203          }
12204       }
12205    } else {
12206       port = atoi(port_str);
12207       chan_misdn_log(2, 0, "Checking Port: %d\n", port);
12208       port_up = misdn_lib_port_up(port, 1);
12209       if (!port_up) {
12210          misdn_lib_get_port_up(port);
12211          dowait = 1;
12212       }
12213    }
12214 
12215    if (dowait) {
12216       chan_misdn_log(2, 0, "Waiting for '%d' seconds\n", timeout);
12217       ast_safe_sleep(chan, timeout * 1000);
12218    }
12219 
12220    return 0;
12221 }
12222 
12223 static int misdn_set_opt_exec(struct ast_channel *chan, const char *data)
12224 {
12225    struct chan_list *ch = MISDN_ASTERISK_TECH_PVT(chan);
12226    char *tok;
12227    char *tokb;
12228    char *parse;
12229    int keyidx = 0;
12230    int rxgain = 0;
12231    int txgain = 0;
12232    int change_jitter = 0;
12233 
12234    if (strcasecmp(chan->tech->type, misdn_type)) {
12235       ast_log(LOG_WARNING, "misdn_set_opt makes sense only with %s channels!\n", misdn_type);
12236       return -1;
12237    }
12238 
12239    if (ast_strlen_zero((char *) data)) {
12240       ast_log(LOG_WARNING, "misdn_set_opt Requires arguments\n");
12241       return -1;
12242    }
12243 
12244    parse = ast_strdupa(data);
12245    for (tok = strtok_r(parse, ":", &tokb);
12246       tok;
12247       tok = strtok_r(NULL, ":", &tokb)) {
12248       int neglect = 0;
12249 
12250       if (tok[0] == '!') {
12251          neglect = 1;
12252          tok++;
12253       }
12254 
12255       switch(tok[0]) {
12256       case 'd' :
12257          ast_copy_string(ch->bc->display, ++tok, sizeof(ch->bc->display));
12258          chan_misdn_log(1, ch->bc->port, "SETOPT: Display:%s\n", ch->bc->display);
12259          break;
12260       case 'n':
12261          chan_misdn_log(1, ch->bc->port, "SETOPT: No DSP\n");
12262          ch->bc->nodsp = 1;
12263          break;
12264       case 'j':
12265          chan_misdn_log(1, ch->bc->port, "SETOPT: jitter\n");
12266          tok++;
12267          change_jitter = 1;
12268 
12269          switch (tok[0]) {
12270          case 'b':
12271             ch->jb_len = atoi(++tok);
12272             chan_misdn_log(1, ch->bc->port, " --> buffer_len:%d\n", ch->jb_len);
12273             break;
12274          case 't' :
12275             ch->jb_upper_threshold = atoi(++tok);
12276             chan_misdn_log(1, ch->bc->port, " --> upper_threshold:%d\n", ch->jb_upper_threshold);
12277             break;
12278          case 'n':
12279             ch->bc->nojitter = 1;
12280             chan_misdn_log(1, ch->bc->port, " --> nojitter\n");
12281             break;
12282          default:
12283             ch->jb_len = 4000;
12284             ch->jb_upper_threshold = 0;
12285             chan_misdn_log(1, ch->bc->port, " --> buffer_len:%d (default)\n", ch->jb_len);
12286             chan_misdn_log(1, ch->bc->port, " --> upper_threshold:%d (default)\n", ch->jb_upper_threshold);
12287             break;
12288          }
12289          break;
12290       case 'v':
12291          tok++;
12292 
12293          switch (tok[0]) {
12294          case 'r' :
12295             rxgain = atoi(++tok);
12296             if (rxgain < -8) {
12297                rxgain = -8;
12298             }
12299             if (rxgain > 8) {
12300                rxgain = 8;
12301             }
12302             ch->bc->rxgain = rxgain;
12303             chan_misdn_log(1, ch->bc->port, "SETOPT: Volume:%d\n", rxgain);
12304             break;
12305          case 't':
12306             txgain = atoi(++tok);
12307             if (txgain < -8) {
12308                txgain = -8;
12309             }
12310             if (txgain > 8) {
12311                txgain = 8;
12312             }
12313             ch->bc->txgain = txgain;
12314             chan_misdn_log(1, ch->bc->port, "SETOPT: Volume:%d\n", txgain);
12315             break;
12316          }
12317          break;
12318       case 'c':
12319          keyidx = atoi(++tok);
12320          {
12321             char keys[4096];
12322             char *key = NULL;
12323             char *tmp = keys;
12324             int i;
12325 
12326             misdn_cfg_get(0, MISDN_GEN_CRYPT_KEYS, keys, sizeof(keys));
12327 
12328             for (i = 0; i < keyidx; i++) {
12329                key = strsep(&tmp, ",");
12330             }
12331 
12332             if (key) {
12333                ast_copy_string(ch->bc->crypt_key, key, sizeof(ch->bc->crypt_key));
12334             }
12335 
12336             chan_misdn_log(0, ch->bc->port, "SETOPT: crypt with key:%s\n", ch->bc->crypt_key);
12337             break;
12338          }
12339       case 'e':
12340          chan_misdn_log(1, ch->bc->port, "SETOPT: EchoCancel\n");
12341 
12342          if (neglect) {
12343             chan_misdn_log(1, ch->bc->port, " --> disabled\n");
12344 #ifdef MISDN_1_2
12345             *ch->bc->pipeline = 0;
12346 #else
12347             ch->bc->ec_enable = 0;
12348 #endif
12349          } else {
12350 #ifdef MISDN_1_2
12351             update_pipeline_config(ch->bc);
12352 #else
12353             ch->bc->ec_enable = 1;
12354             ch->bc->orig = ch->originator;
12355             tok++;
12356             if (*tok) {
12357                ch->bc->ec_deftaps = atoi(tok);
12358             }
12359 #endif
12360          }
12361          break;
12362       case 'h':
12363          chan_misdn_log(1, ch->bc->port, "SETOPT: Digital\n");
12364 
12365          if (strlen(tok) > 1 && tok[1] == '1') {
12366             chan_misdn_log(1, ch->bc->port, "SETOPT: HDLC \n");
12367             if (!ch->bc->hdlc) {
12368                ch->bc->hdlc = 1;
12369             }
12370          }
12371          ch->bc->capability = INFO_CAPABILITY_DIGITAL_UNRESTRICTED;
12372          break;
12373       case 's':
12374          chan_misdn_log(1, ch->bc->port, "SETOPT: Send DTMF\n");
12375          ch->bc->send_dtmf = 1;
12376          break;
12377       case 'f':
12378          chan_misdn_log(1, ch->bc->port, "SETOPT: Faxdetect\n");
12379          ch->faxdetect = 1;
12380          misdn_cfg_get(ch->bc->port, MISDN_CFG_FAXDETECT_TIMEOUT, &ch->faxdetect_timeout, sizeof(ch->faxdetect_timeout));
12381          break;
12382       case 'a':
12383          chan_misdn_log(1, ch->bc->port, "SETOPT: AST_DSP (for DTMF)\n");
12384          ch->ast_dsp = 1;
12385          break;
12386       case 'p':
12387          chan_misdn_log(1, ch->bc->port, "SETOPT: callerpres: %s\n", &tok[1]);
12388          /* CRICH: callingpres!!! */
12389          if (strstr(tok, "allowed")) {
12390             ch->bc->presentation = 0;
12391             ch->bc->set_presentation = 1;
12392          } else if (strstr(tok, "restricted")) {
12393             ch->bc->presentation = 1;
12394             ch->bc->set_presentation = 1;
12395          } else if (strstr(tok, "not_screened")) {
12396             chan_misdn_log(0, ch->bc->port, "SETOPT: callerpres: not_screened is deprecated\n");
12397             ch->bc->presentation = 1;
12398             ch->bc->set_presentation = 1;
12399          }
12400          break;
12401       case 'i' :
12402          chan_misdn_log(1, ch->bc->port, "Ignoring dtmf tones, just use them inband\n");
12403          ch->ignore_dtmf = 1;
12404          break;
12405       default:
12406          break;
12407       }
12408    }
12409 
12410    if (change_jitter) {
12411       config_jitterbuffer(ch);
12412    }
12413 
12414    if (ch->faxdetect || ch->ast_dsp) {
12415       if (!ch->dsp) {
12416          ch->dsp = ast_dsp_new();
12417       }
12418       if (ch->dsp) {
12419          ast_dsp_set_features(ch->dsp, DSP_FEATURE_DIGIT_DETECT | DSP_FEATURE_FAX_DETECT);
12420       }
12421    }
12422 
12423    if (ch->ast_dsp) {
12424       chan_misdn_log(1, ch->bc->port, "SETOPT: with AST_DSP we deactivate mISDN_dsp\n");
12425       ch->bc->nodsp = 1;
12426    }
12427 
12428    return 0;
12429 }
12430 
12431 
12432 int chan_misdn_jb_empty(struct misdn_bchannel *bc, char *buf, int len)
12433 {
12434    struct chan_list *ch;
12435    int res;
12436 
12437    ch = find_chan_by_bc(bc);
12438    if (!ch) {
12439       return 0;
12440    }
12441 
12442    if (ch->jb) {
12443       res = misdn_jb_empty(ch->jb, buf, len);
12444    } else {
12445       res = 0;
12446    }
12447    chan_list_unref(ch, "Done emptying jb");
12448 
12449    return res;
12450 }
12451 
12452 
12453 
12454 /*******************************************************/
12455 /***************** JITTERBUFFER ************************/
12456 /*******************************************************/
12457 
12458 
12459 /* allocates the jb-structure and initialize the elements*/
12460 struct misdn_jb *misdn_jb_init(int size, int upper_threshold)
12461 {
12462    struct misdn_jb *jb;
12463 
12464    jb = ast_calloc(1, sizeof(*jb));
12465    if (!jb) {
12466        chan_misdn_log(-1, 0, "No free Mem for jb\n");
12467        return NULL;
12468    }
12469    jb->size = size;
12470    jb->upper_threshold = upper_threshold;
12471    //jb->wp = 0;
12472    //jb->rp = 0;
12473    //jb->state_full = 0;
12474    //jb->state_empty = 0;
12475    //jb->bytes_wrote = 0;
12476    jb->samples = ast_calloc(size, sizeof(*jb->samples));
12477    if (!jb->samples) {
12478       ast_free(jb);
12479       chan_misdn_log(-1, 0, "No free Mem for jb->samples\n");
12480       return NULL;
12481    }
12482 
12483    jb->ok = ast_calloc(size, sizeof(*jb->ok));
12484    if (!jb->ok) {
12485       ast_free(jb->samples);
12486       ast_free(jb);
12487       chan_misdn_log(-1, 0, "No free Mem for jb->ok\n");
12488       return NULL;
12489    }
12490 
12491    ast_mutex_init(&jb->mutexjb);
12492 
12493    return jb;
12494 }
12495 
12496 /* frees the data and destroys the given jitterbuffer struct */
12497 void misdn_jb_destroy(struct misdn_jb *jb)
12498 {
12499    ast_mutex_destroy(&jb->mutexjb);
12500 
12501    ast_free(jb->ok);
12502    ast_free(jb->samples);
12503    ast_free(jb);
12504 }
12505 
12506 /* fills the jitterbuffer with len data returns < 0 if there was an
12507    error (buffer overflow). */
12508 int misdn_jb_fill(struct misdn_jb *jb, const char *data, int len)
12509 {
12510    int i;
12511    int j;
12512    int rp;
12513    int wp;
12514 
12515    if (!jb || ! data) {
12516       return 0;
12517    }
12518 
12519    ast_mutex_lock(&jb->mutexjb);
12520 
12521    wp = jb->wp;
12522    rp = jb->rp;
12523 
12524    for (i = 0; i < len; i++) {
12525       jb->samples[wp] = data[i];
12526       jb->ok[wp] = 1;
12527       wp = (wp != jb->size - 1) ? wp + 1 : 0;
12528 
12529       if (wp == jb->rp) {
12530          jb->state_full = 1;
12531       }
12532    }
12533 
12534    if (wp >= rp) {
12535       jb->state_buffer = wp - rp;
12536    } else {
12537       jb->state_buffer = jb->size - rp + wp;
12538    }
12539    chan_misdn_log(9, 0, "misdn_jb_fill: written:%d | Buffer status:%d p:%p\n", len, jb->state_buffer, jb);
12540 
12541    if (jb->state_full) {
12542       jb->wp = wp;
12543 
12544       rp = wp;
12545       for (j = 0; j < jb->upper_threshold; j++) {
12546          rp = (rp != 0) ? rp - 1 : jb->size - 1;
12547       }
12548       jb->rp = rp;
12549       jb->state_full = 0;
12550       jb->state_empty = 1;
12551 
12552       ast_mutex_unlock(&jb->mutexjb);
12553 
12554       return -1;
12555    }
12556 
12557    if (!jb->state_empty) {
12558       jb->bytes_wrote += len;
12559       if (jb->bytes_wrote >= jb->upper_threshold) {
12560          jb->state_empty = 1;
12561          jb->bytes_wrote = 0;
12562       }
12563    }
12564    jb->wp = wp;
12565 
12566    ast_mutex_unlock(&jb->mutexjb);
12567 
12568    return 0;
12569 }
12570 
12571 /* gets len bytes out of the jitterbuffer if available, else only the
12572 available data is returned and the return value indicates the number
12573 of data. */
12574 int misdn_jb_empty(struct misdn_jb *jb, char *data, int len)
12575 {
12576    int i;
12577    int wp;
12578    int rp;
12579    int read = 0;
12580 
12581    ast_mutex_lock(&jb->mutexjb);
12582 
12583    rp = jb->rp;
12584    wp = jb->wp;
12585 
12586    if (jb->state_empty) {
12587       for (i = 0; i < len; i++) {
12588          if (wp == rp) {
12589             jb->rp = rp;
12590             jb->state_empty = 0;
12591 
12592             ast_mutex_unlock(&jb->mutexjb);
12593 
12594             return read;
12595          } else {
12596             if (jb->ok[rp] == 1) {
12597                data[i] = jb->samples[rp];
12598                jb->ok[rp] = 0;
12599                rp = (rp != jb->size - 1) ? rp + 1 : 0;
12600                read += 1;
12601             }
12602          }
12603       }
12604 
12605       if (wp >= rp) {
12606          jb->state_buffer = wp - rp;
12607       } else {
12608          jb->state_buffer = jb->size - rp + wp;
12609       }
12610       chan_misdn_log(9, 0, "misdn_jb_empty: read:%d | Buffer status:%d p:%p\n", len, jb->state_buffer, jb);
12611 
12612       jb->rp = rp;
12613    } else {
12614       chan_misdn_log(9, 0, "misdn_jb_empty: Wait...requested:%d p:%p\n", len, jb);
12615    }
12616 
12617    ast_mutex_unlock(&jb->mutexjb);
12618 
12619    return read;
12620 }
12621 
12622 /*******************************************************/
12623 /*************** JITTERBUFFER  END *********************/
12624 /*******************************************************/
12625 
12626 static void chan_misdn_log(int level, int port, char *tmpl, ...)
12627 {
12628    va_list ap;
12629    char buf[1024];
12630    char port_buf[8];
12631 
12632    if (!(0 <= port && port <= max_ports)) {
12633       ast_log(LOG_WARNING, "cb_log called with out-of-range port number! (%d)\n", port);
12634       port = 0;
12635       level = -1;
12636    } else if (!(level == -1
12637       || (misdn_debug_only[port]
12638          ? (level == 1 && misdn_debug[port]) || level == misdn_debug[port]
12639          : level <= misdn_debug[port])
12640       || (level <= misdn_debug[0] && !ast_strlen_zero(global_tracefile)))) {
12641       /*
12642        * We are not going to print anything so lets not
12643        * go to all the work of generating a string.
12644        */
12645       return;
12646    }
12647 
12648    snprintf(port_buf, sizeof(port_buf), "P[%2d] ", port);
12649    va_start(ap, tmpl);
12650    vsnprintf(buf, sizeof(buf), tmpl, ap);
12651    va_end(ap);
12652 
12653    if (level == -1) {
12654       ast_log(LOG_WARNING, "%s", buf);
12655    } else if (misdn_debug_only[port]
12656       ? (level == 1 && misdn_debug[port]) || level == misdn_debug[port]
12657       : level <= misdn_debug[port]) {
12658       ast_console_puts(port_buf);
12659       ast_console_puts(buf);
12660    }
12661 
12662    if (level <= misdn_debug[0] && !ast_strlen_zero(global_tracefile)) {
12663       char ctimebuf[30];
12664       time_t tm;
12665       char *tmp;
12666       char *p;
12667       FILE *fp;
12668 
12669       fp = fopen(global_tracefile, "a+");
12670       if (!fp) {
12671          ast_console_puts("Error opening Tracefile: [ ");
12672          ast_console_puts(global_tracefile);
12673          ast_console_puts(" ] ");
12674 
12675          ast_console_puts(strerror(errno));
12676          ast_console_puts("\n");
12677          return;
12678       }
12679 
12680       tm = time(NULL);
12681       tmp = ctime_r(&tm, ctimebuf);
12682       p = strchr(tmp, '\n');
12683       if (p) {
12684          *p = ':';
12685       }
12686       fputs(tmp, fp);
12687       fputs(" ", fp);
12688       fputs(port_buf, fp);
12689       fputs(" ", fp);
12690       fputs(buf, fp);
12691 
12692       fclose(fp);
12693    }
12694 }
12695 
12696 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Channel driver for mISDN Support (BRI/PRI)",
12697    .load = load_module,
12698    .unload = unload_module,
12699    .reload = reload,
12700    .load_pri = AST_MODPRI_CHANNEL_DRIVER,
12701 );
Asterisk developer's documentation
