channels/chan_misdn.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2004 - 2006, Christian Richter
   5  *
   6  * Christian Richter <crich@beronet.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  *
  18  */
  19
  20 /*!
  21  * \file
  22  *
  23  * \brief the chan_misdn channel driver for Asterisk
  24  * \author Christian Richter <crich@beronet.com>
  25  *
  26  * \ingroup channel_drivers
  27  */
  28
  29 /*** MODULEINFO
  30         <depend>isdnnet</depend>
  31         <depend>misdn</depend>
  32         <depend>suppserv</depend>
  33  ***/
  34 #include "asterisk.h"
  35
  36 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  37
  38 #include <stdio.h>
  39 #include <pthread.h>
  40 #include <string.h>
  41 #include <sys/socket.h>
  42 #include <sys/time.h>
  43 #include <errno.h>
  44 #include <unistd.h>
  45 #include <stdlib.h>
  46 #include <arpa/inet.h>
  47 #include <fcntl.h>
  48 #include <sys/ioctl.h>
  49 #include <signal.h>
  50 #include <sys/file.h>
  51 #include <semaphore.h>
  52
  53 #include "asterisk/channel.h"
  54 #include "asterisk/config.h"
  55 #include "asterisk/logger.h"
  56 #include "asterisk/module.h"
  57 #include "asterisk/pbx.h"
  58 #include "asterisk/options.h"
  59 #include "asterisk/io.h"
  60 #include "asterisk/frame.h"
  61 #include "asterisk/translate.h"
  62 #include "asterisk/cli.h"
  63 #include "asterisk/musiconhold.h"
  64 #include "asterisk/dsp.h"
  65 #include "asterisk/translate.h"
  66 #include "asterisk/config.h"
  67 #include "asterisk/file.h"
  68 #include "asterisk/callerid.h"
  69 #include "asterisk/indications.h"
  70 #include "asterisk/app.h"
  71 #include "asterisk/features.h"
  72 #include "asterisk/term.h"
  73 #include "asterisk/sched.h"
  74 #include "asterisk/stringfields.h"
  75
  76 #include "chan_misdn_config.h"
  77 #include "isdn_lib.h"
  78
  79 char global_tracefile[BUFFERSIZE+1];
  80
  81 static int g_config_initialized=0;
  82
  83 struct misdn_jb{
  84         int size;
  85         int upper_threshold;
  86         char *samples, *ok;
  87         int wp,rp;
  88         int state_empty;
  89         int state_full;
  90         int state_buffer;
  91         int bytes_wrote;
  92         ast_mutex_t mutexjb;
  93 };
  94
  95
  96
  97 /* allocates the jb-structure and initialise the elements*/
  98 struct misdn_jb *misdn_jb_init(int size, int upper_threshold);
  99
 100 /* frees the data and destroys the given jitterbuffer struct */
 101 void misdn_jb_destroy(struct misdn_jb *jb);
 102
 103 /* fills the jitterbuffer with len data returns < 0 if there was an
 104 error (bufferoverun). */
 105 int misdn_jb_fill(struct misdn_jb *jb, const char *data, int len);
 106
 107 /* gets len bytes out of the jitterbuffer if available, else only the
 108 available data is returned and the return value indicates the number
 109 of data. */
 110 int misdn_jb_empty(struct misdn_jb *jb, char *data, int len);
 111
 112
 113 enum misdn_chan_state {
 114         MISDN_NOTHING=0,        /*!< at beginning */
 115         MISDN_WAITING4DIGS, /*!<  when waiting for infos */
 116         MISDN_EXTCANTMATCH, /*!<  when asterisk couldnt match our ext */
 117         MISDN_DIALING, /*!<  when pbx_start */
 118         MISDN_PROGRESS, /*!<  we got a progress */
 119         MISDN_PROCEEDING, /*!<  we got a progress */
 120         MISDN_CALLING, /*!<  when misdn_call is called */
 121         MISDN_CALLING_ACKNOWLEDGE, /*!<  when we get SETUP_ACK */
 122         MISDN_ALERTING, /*!<  when Alerting */
 123         MISDN_BUSY, /*!<  when BUSY */
 124         MISDN_CONNECTED, /*!<  when connected */
 125         MISDN_PRECONNECTED, /*!<  when connected */
 126         MISDN_DISCONNECTED, /*!<  when connected */
 127         MISDN_RELEASED, /*!<  when connected */
 128         MISDN_BRIDGED, /*!<  when bridged */
 129         MISDN_CLEANING, /*!< when hangup from * but we were connected before */
 130         MISDN_HUNGUP_FROM_MISDN, /*!< when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
 131         MISDN_HUNGUP_FROM_AST, /*!< when DISCONNECT/RELEASE/REL_COMP came out of */
 132         /* misdn_hangup */
 133         MISDN_HOLDED, /*!< if this chan is holded */
 134         MISDN_HOLD_DISCONNECT, /*!< if this chan is holded */
 135
 136 };
 137
 138 #define ORG_AST 1
 139 #define ORG_MISDN 2
 140
 141 struct hold_info {
 142         int port;
 143         int channel;
 144 };
 145
 146 struct chan_list {
 147
 148         char allowed_bearers[BUFFERSIZE+1];
 149
 150         enum misdn_chan_state state;
 151         int need_queue_hangup;
 152         int need_hangup;
 153         int need_busy;
 154
 155         int orginator;
 156
 157         int norxtone;
 158         int notxtone;
 159
 160         int toggle_ec;
 161
 162         int incoming_early_audio;
 163
 164         int ignore_dtmf;
 165
 166         int pipe[2];
 167         char ast_rd_buf[4096];
 168         struct ast_frame frame;
 169
 170         int faxdetect; /* 0:no 1:yes 2:yes+nojump */
 171         int faxdetect_timeout;
 172         struct timeval faxdetect_tv;
 173         int faxhandled;
 174
 175         int ast_dsp;
 176
 177         int jb_len;
 178         int jb_upper_threshold;
 179         struct misdn_jb *jb;
 180
 181         struct ast_dsp *dsp;
 182         struct ast_trans_pvt *trans;
 183
 184         struct ast_channel * ast;
 185
 186         int dummy;
 187
 188         struct misdn_bchannel *bc;
 189
 190         struct hold_info hold_info;
 191
 192         unsigned int l3id;
 193         int addr;
 194
 195         char context[BUFFERSIZE];
 196
 197         int zero_read_cnt;
 198         int dropped_frame_cnt;
 199
 200         int far_alerting;
 201
 202         int nttimeout;
 203
 204         int other_pid;
 205         struct chan_list *other_ch;
 206
 207         const struct ind_tone_zone_sound *ts;
 208
 209         int overlap_dial;
 210         int overlap_dial_task;
 211         ast_mutex_t overlap_tv_lock;
 212         struct timeval overlap_tv;
 213
 214         struct chan_list *peer;
 215         struct chan_list *next;
 216         struct chan_list *prev;
 217         struct chan_list *first;
 218 };
 219
 220
 221
 222 void export_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
 223 void import_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
 224
 225 struct robin_list {
 226         char *group;
 227         int port;
 228         int channel;
 229         struct robin_list *next;
 230         struct robin_list *prev;
 231 };
 232 static struct robin_list *robin = NULL;
 233
 234
 235
 236 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame);
 237
 238
 239
 240 static inline void free_robin_list_r (struct robin_list *r)
 241 {
 242         if (r) {
 243                 if (r->next) free_robin_list_r(r->next);
 244                 if (r->group) free(r->group);
 245                 free(r);
 246         }
 247 }
 248
 249 static void free_robin_list ( void )
 250 {
 251         free_robin_list_r(robin);
 252         robin = NULL;
 253 }
 254
 255 static struct robin_list* get_robin_position (char *group)
 256 {
 257         struct robin_list *iter = robin;
 258         for (; iter; iter = iter->next) {
 259                 if (!strcasecmp(iter->group, group))
 260                         return iter;
 261         }
 262         struct robin_list *new = (struct robin_list *)calloc(1, sizeof(struct robin_list));
 263         new->group = strndup(group, strlen(group));
 264         new->channel = 1;
 265         if (robin) {
 266                 new->next = robin;
 267                 robin->prev = new;
 268         }
 269         robin = new;
 270         return robin;
 271 }
 272
 273
 274 /* the main schedule context for stuff like l1 watcher, overlap dial, ... */
 275 static struct sched_context *misdn_tasks = NULL;
 276 static pthread_t misdn_tasks_thread;
 277
 278 static int *misdn_ports;
 279
 280 static void chan_misdn_log(int level, int port, char *tmpl, ...);
 281
 282 static struct ast_channel *misdn_new(struct chan_list *cl, int state,  char *exten, char *callerid, int format, int port, int c);
 283 static void send_digit_to_chan(struct chan_list *cl, char digit );
 284
 285 static void hangup_chan(struct chan_list *ch);
 286 static int pbx_start_chan(struct chan_list *ch);
 287
 288
 289 #define AST_CID_P(ast) ast->cid.cid_num
 290 #define AST_BRIDGED_P(ast) ast_bridged_channel(ast)
 291 #define AST_LOAD_CFG ast_config_load
 292 #define AST_DESTROY_CFG ast_config_destroy
 293
 294 #define MISDN_ASTERISK_TECH_PVT(ast) ast->tech_pvt
 295 #define MISDN_ASTERISK_PVT(ast) 1
 296
 297 #include <asterisk/strings.h>
 298
 299 /* #define MISDN_DEBUG 1 */
 300
 301 static const char misdn_type[] = "mISDN";
 302
 303 static int tracing = 0 ;
 304
 305 static char **misdn_key_vector=NULL;
 306 static int misdn_key_vector_size=0;
 307
 308 /* Only alaw and mulaw is allowed for now */
 309 static int prefformat =  AST_FORMAT_ALAW ; /*  AST_FORMAT_SLINEAR ;  AST_FORMAT_ULAW | */
 310
 311 static int *misdn_debug;
 312 static int *misdn_debug_only;
 313 static int max_ports;
 314
 315 static int *misdn_in_calls;
 316 static int *misdn_out_calls;
 317
 318
 319 struct chan_list dummy_cl;
 320
 321 struct chan_list *cl_te=NULL;
 322 ast_mutex_t cl_te_lock;
 323
 324 static enum event_response_e
 325 cb_events(enum event_e event, struct misdn_bchannel *bc, void *user_data);
 326
 327 static void send_cause2ast(struct ast_channel *ast, struct misdn_bchannel*bc, struct chan_list *ch);
 328
 329 static void cl_queue_chan(struct chan_list **list, struct chan_list *chan);
 330 static void cl_dequeue_chan(struct chan_list **list, struct chan_list *chan);
 331 static struct chan_list *find_chan_by_bc(struct chan_list *list, struct misdn_bchannel *bc);
 332 static struct chan_list *find_chan_by_pid(struct chan_list *list, int pid);
 333
 334
 335
 336 static int dialtone_indicate(struct chan_list *cl);
 337 static int hanguptone_indicate(struct chan_list *cl);
 338 static int stop_indicate(struct chan_list *cl);
 339
 340 static int start_bc_tones(struct chan_list *cl);
 341 static int stop_bc_tones(struct chan_list *cl);
 342 static void release_chan(struct misdn_bchannel *bc);
 343
 344 static int misdn_set_opt_exec(struct ast_channel *chan, void *data);
 345 static int misdn_facility_exec(struct ast_channel *chan, void *data);
 346
 347 int chan_misdn_jb_empty(struct misdn_bchannel *bc, char *buf, int len);
 348
 349
 350 void debug_numplan(int port, int numplan, char *type);
 351
 352
 353 int add_out_calls(int port);
 354 int add_in_calls(int port);
 355
 356
 357 static int update_ec_config(struct misdn_bchannel *bc);
 358
 359
 360
 361
 362 /*protos*/
 363
 364 int chan_misdn_jb_empty ( struct misdn_bchannel *bc, char *buf, int len);
 365
 366 /*************** Helpers *****************/
 367
 368 static struct chan_list * get_chan_by_ast(struct ast_channel *ast)
 369 {
 370         struct chan_list *tmp;
 371
 372         for (tmp=cl_te; tmp; tmp = tmp->next) {
 373                 if ( tmp->ast == ast ) return tmp;
 374         }
 375
 376         return NULL;
 377 }
 378
 379 static struct chan_list * get_chan_by_ast_name(char *name)
 380 {
 381         struct chan_list *tmp;
 382
 383         for (tmp=cl_te; tmp; tmp = tmp->next) {
 384                 if ( tmp->ast  && strcmp(tmp->ast->name,name) == 0) return tmp;
 385         }
 386
 387         return NULL;
 388 }
 389
 390
 391
 392 struct allowed_bearers {
 393         int cap;
 394         int val;
 395         char *name;
 396 };
 397
 398 struct allowed_bearers allowed_bearers_array[]={
 399         {INFO_CAPABILITY_SPEECH,1,"speech"},
 400         {INFO_CAPABILITY_AUDIO_3_1K,2,"3_1khz"},
 401         {INFO_CAPABILITY_DIGITAL_UNRESTRICTED,4,"digital_unrestricted"},
 402         {INFO_CAPABILITY_DIGITAL_RESTRICTED,8,"digital_restriced"},
 403         {INFO_CAPABILITY_VIDEO,16,"video"}
 404 };
 405
 406 static char *bearer2str(int cap) {
 407         static char *bearers[]={
 408                 "Speech",
 409                 "Audio 3.1k",
 410                 "Unres Digital",
 411                 "Res Digital",
 412                 "Video",
 413                 "Unknown Bearer"
 414         };
 415
 416         switch (cap) {
 417         case INFO_CAPABILITY_SPEECH:
 418                 return bearers[0];
 419                 break;
 420         case INFO_CAPABILITY_AUDIO_3_1K:
 421                 return bearers[1];
 422                 break;
 423         case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
 424                 return bearers[2];
 425                 break;
 426         case INFO_CAPABILITY_DIGITAL_RESTRICTED:
 427                 return bearers[3];
 428                 break;
 429         case INFO_CAPABILITY_VIDEO:
 430                 return bearers[4];
 431                 break;
 432         default:
 433                 return bearers[5];
 434                 break;
 435         }
 436 }
 437
 438
 439 static void print_facility(struct FacParm *fac, struct misdn_bchannel *bc)
 440 {
 441         switch (fac->Function) {
 442         case Fac_CD:
 443                 chan_misdn_log(0,bc->port," --> calldeflect to: %s, screened: %s\n", fac->u.CDeflection.DeflectedToNumber,
 444                                            fac->u.CDeflection.PresentationAllowed ? "yes" : "no");
 445                 break;
 446         case Fac_AOCDCurrency:
 447                 if (fac->u.AOCDcur.chargeNotAvailable)
 448                         chan_misdn_log(0,bc->port," --> AOCD currency: charge not available\n");
 449                 else if (fac->u.AOCDcur.freeOfCharge)
 450                         chan_misdn_log(0,bc->port," --> AOCD currency: free of charge\n");
 451                 else if (fac->u.AOCDchu.billingId >= 0)
 452                         chan_misdn_log(0,bc->port," --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%d billingId:%d\n",
 453                                                    fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
 454                                                    (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDcur.billingId);
 455                 else
 456                         chan_misdn_log(0,bc->port," --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%d\n",
 457                                                    fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
 458                                                    (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total");
 459                 break;
 460         case Fac_AOCDChargingUnit:
 461                 if (fac->u.AOCDchu.chargeNotAvailable)
 462                         chan_misdn_log(0,bc->port," --> AOCD charging unit: charge not available\n");
 463                 else if (fac->u.AOCDchu.freeOfCharge)
 464                         chan_misdn_log(0,bc->port," --> AOCD charging unit: free of charge\n");
 465                 else if (fac->u.AOCDchu.billingId >= 0)
 466                         chan_misdn_log(0,bc->port," --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s billingId:%d\n",
 467                                                    fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDchu.billingId);
 468                 else
 469                         chan_misdn_log(0,bc->port," --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s\n",
 470                                                    fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total");
 471                 break;
 472         default:
 473                 chan_misdn_log(0,bc->port," --> unknown\n");
 474         }
 475 }
 476
 477 static void print_bearer(struct misdn_bchannel *bc)
 478 {
 479
 480         chan_misdn_log(2, bc->port, " --> Bearer: %s\n",bearer2str(bc->capability));
 481
 482         switch(bc->law) {
 483         case INFO_CODEC_ALAW:
 484                 chan_misdn_log(2, bc->port, " --> Codec: Alaw\n");
 485                 break;
 486         case INFO_CODEC_ULAW:
 487                 chan_misdn_log(2, bc->port, " --> Codec: Ulaw\n");
 488                 break;
 489         }
 490 }
 491 /*************** Helpers END *************/
 492
 493 static void sighandler(int sig)
 494 {}
 495
 496 static void* misdn_tasks_thread_func (void *data)
 497 {
 498         int wait;
 499         struct sigaction sa;
 500
 501         sa.sa_handler = sighandler;
 502         sa.sa_flags = SA_NODEFER;
 503         sigemptyset(&sa.sa_mask);
 504         sigaddset(&sa.sa_mask, SIGUSR1);
 505         sigaction(SIGUSR1, &sa, NULL);
 506
 507         sem_post((sem_t *)data);
 508
 509         while (1) {
 510                 wait = ast_sched_wait(misdn_tasks);
 511                 if (wait < 0)
 512                         wait = 8000;
 513                 if (poll(NULL, 0, wait) < 0)
 514                         chan_misdn_log(4, 0, "Waking up misdn_tasks thread\n");
 515                 ast_sched_runq(misdn_tasks);
 516         }
 517         return NULL;
 518 }
 519
 520 static void misdn_tasks_init (void)
 521 {
 522         sem_t blocker;
 523         int i = 5;
 524
 525         if (sem_init(&blocker, 0, 0)) {
 526                 perror("chan_misdn: Failed to initialize semaphore!");
 527                 exit(1);
 528         }
 529
 530         chan_misdn_log(4, 0, "Starting misdn_tasks thread\n");
 531
 532         misdn_tasks = sched_context_create();
 533         pthread_create(&misdn_tasks_thread, NULL, misdn_tasks_thread_func, &blocker);
 534
 535         while (sem_wait(&blocker) && --i);
 536         sem_destroy(&blocker);
 537 }
 538
 539 static void misdn_tasks_destroy (void)
 540 {
 541         if (misdn_tasks) {
 542                 chan_misdn_log(4, 0, "Killing misdn_tasks thread\n");
 543                 if ( pthread_cancel(misdn_tasks_thread) == 0 ) {
 544                         cb_log(4, 0, "Joining misdn_tasks thread\n");
 545                         pthread_join(misdn_tasks_thread, NULL);
 546                 }
 547                 sched_context_destroy(misdn_tasks);
 548         }
 549 }
 550
 551 static inline void misdn_tasks_wakeup (void)
 552 {
 553         pthread_kill(misdn_tasks_thread, SIGUSR1);
 554 }
 555
 556 static inline int _misdn_tasks_add_variable (int timeout, ast_sched_cb callback, void *data, int variable)
 557 {
 558         int task_id;
 559
 560         if (!misdn_tasks) {
 561                 misdn_tasks_init();
 562         }
 563         task_id = ast_sched_add_variable(misdn_tasks, timeout, callback, data, variable);
 564         misdn_tasks_wakeup();
 565
 566         return task_id;
 567 }
 568
 569 static int misdn_tasks_add (int timeout, ast_sched_cb callback, void *data)
 570 {
 571         return _misdn_tasks_add_variable(timeout, callback, data, 0);
 572 }
 573
 574 static int misdn_tasks_add_variable (int timeout, ast_sched_cb callback, void *data)
 575 {
 576         return _misdn_tasks_add_variable(timeout, callback, data, 1);
 577 }
 578
 579 static void misdn_tasks_remove (int task_id)
 580 {
 581         ast_sched_del(misdn_tasks, task_id);
 582 }
 583
 584 static int misdn_l1_task (void *data)
 585 {
 586         misdn_lib_isdn_l1watcher(*(int *)data);
 587         chan_misdn_log(5, *(int *)data, "L1watcher timeout\n");
 588         return 1;
 589 }
 590
 591 static int misdn_overlap_dial_task (void *data)
 592 {
 593         struct timeval tv_end, tv_now;
 594         int diff;
 595         struct chan_list *ch = (struct chan_list *)data;
 596
 597         chan_misdn_log(4, ch->bc->port, "overlap dial task, chan_state: %d\n", ch->state);
 598
 599         if (ch->state != MISDN_WAITING4DIGS) {
 600                 ch->overlap_dial_task = -1;
 601                 return 0;
 602         }
 603
 604         ast_mutex_lock(&ch->overlap_tv_lock);
 605         tv_end = ch->overlap_tv;
 606         ast_mutex_unlock(&ch->overlap_tv_lock);
 607
 608         tv_end.tv_sec += ch->overlap_dial;
 609         tv_now = ast_tvnow();
 610
 611         diff = ast_tvdiff_ms(tv_end, tv_now);
 612
 613         if (diff <= 100) {
 614                 /* if we are 100ms near the timeout, we are satisfied.. */
 615                 stop_indicate(ch);
 616                 if (ast_exists_extension(ch->ast, ch->context, ch->bc->dad, 1, ch->bc->oad)) {
 617                         ch->state=MISDN_DIALING;
 618                         if (pbx_start_chan(ch) < 0) {
 619                                 chan_misdn_log(-1, ch->bc->port, "ast_pbx_start returned < 0 in misdn_overlap_dial_task\n");
 620                                 goto misdn_overlap_dial_task_disconnect;
 621                         }
 622                 } else {
 623 misdn_overlap_dial_task_disconnect:
 624                         hanguptone_indicate(ch);
 625                         if (ch->bc->nt)
 626                                 misdn_lib_send_event(ch->bc, EVENT_RELEASE_COMPLETE );
 627                         else
 628                                 misdn_lib_send_event(ch->bc, EVENT_RELEASE);
 629                 }
 630                 ch->overlap_dial_task = -1;
 631                 return 0;
 632         } else
 633                 return diff;
 634 }
 635
 636 static void send_digit_to_chan(struct chan_list *cl, char digit )
 637 {
 638         static const char* dtmf_tones[] = {
 639                 "!941+1336/100,!0/100", /* 0 */
 640                 "!697+1209/100,!0/100", /* 1 */
 641                 "!697+1336/100,!0/100", /* 2 */
 642                 "!697+1477/100,!0/100", /* 3 */
 643                 "!770+1209/100,!0/100", /* 4 */
 644                 "!770+1336/100,!0/100", /* 5 */
 645                 "!770+1477/100,!0/100", /* 6 */
 646                 "!852+1209/100,!0/100", /* 7 */
 647                 "!852+1336/100,!0/100", /* 8 */
 648                 "!852+1477/100,!0/100", /* 9 */
 649                 "!697+1633/100,!0/100", /* A */
 650                 "!770+1633/100,!0/100", /* B */
 651                 "!852+1633/100,!0/100", /* C */
 652                 "!941+1633/100,!0/100", /* D */
 653                 "!941+1209/100,!0/100", /* * */
 654                 "!941+1477/100,!0/100" };       /* # */
 655         struct ast_channel *chan=cl->ast;
 656
 657         if (digit >= '0' && digit <='9')
 658                 ast_playtones_start(chan,0,dtmf_tones[digit-'0'], 0);
 659         else if (digit >= 'A' && digit <= 'D')
 660                 ast_playtones_start(chan,0,dtmf_tones[digit-'A'+10], 0);
 661         else if (digit == '*')
 662                 ast_playtones_start(chan,0,dtmf_tones[14], 0);
 663         else if (digit == '#')
 664                 ast_playtones_start(chan,0,dtmf_tones[15], 0);
 665         else {
 666                 /* not handled */
 667                 if (option_debug)
 668                         ast_log(LOG_DEBUG, "Unable to handle DTMF tone '%c' for '%s'\n", digit, chan->name);
 669         }
 670 }
 671 /*** CLI HANDLING ***/
 672 static int misdn_set_debug(int fd, int argc, char *argv[])
 673 {
 674         if (argc != 4 && argc != 5 && argc != 6 && argc != 7)
 675                 return RESULT_SHOWUSAGE;
 676
 677         int level = atoi(argv[3]);
 678
 679         switch (argc) {
 680                 case 4:
 681                 case 5: {
 682                                         int only = 0;
 683                                         if (argc == 5) {
 684                                                 if (strncasecmp(argv[4], "only", strlen(argv[4])))
 685                                                         return RESULT_SHOWUSAGE;
 686                                                 else
 687                                                         only = 1;
 688                                         }
 689                                         int i;
 690                                         for (i=0; i<=max_ports; i++) {
 691                                                 misdn_debug[i] = level;
 692                                                 misdn_debug_only[i] = only;
 693                                         }
 694                                         ast_cli(fd, "changing debug level for all ports to %d%s\n",misdn_debug[0], only?" (only)":"");
 695                                 }
 696                                 break;
 697                 case 6:
 698                 case 7: {
 699                                         if (strncasecmp(argv[4], "port", strlen(argv[4])))
 700                                                 return RESULT_SHOWUSAGE;
 701                                         int port = atoi(argv[5]);
 702                                         if (port <= 0 || port > max_ports) {
 703                                                 switch (max_ports) {
 704                                                         case 0:
 705                                                                 ast_cli(fd, "port number not valid! no ports available so you won't get lucky with any number here...\n");
 706                                                                 break;
 707                                                         case 1:
 708                                                                 ast_cli(fd, "port number not valid! only port 1 is availble.\n");
 709                                                                 break;
 710                                                         default:
 711                                                                 ast_cli(fd, "port number not valid! only ports 1 to %d are available.\n", max_ports);
 712                                                         }
 713                                                         return 0;
 714                                         }
 715                                         if (argc == 7) {
 716                                                 if (strncasecmp(argv[6], "only", strlen(argv[6])))
 717                                                         return RESULT_SHOWUSAGE;
 718                                                 else
 719                                                         misdn_debug_only[port] = 1;
 720                                         } else
 721                                                 misdn_debug_only[port] = 0;
 722                                         misdn_debug[port] = level;
 723                                         ast_cli(fd, "changing debug level to %d%s for port %d\n", misdn_debug[port], misdn_debug_only[port]?" (only)":"", port);
 724                                 }
 725         }
 726         return 0;
 727 }
 728
 729 static int misdn_set_crypt_debug(int fd, int argc, char *argv[])
 730 {
 731         if (argc != 5) return RESULT_SHOWUSAGE;
 732
 733         return 0;
 734 }
 735
 736
 737 static int misdn_port_block(int fd, int argc, char *argv[])
 738 {
 739         int port;
 740
 741         if (argc != 4)
 742                 return RESULT_SHOWUSAGE;
 743
 744         port = atoi(argv[3]);
 745
 746         misdn_lib_port_block(port);
 747
 748         return 0;
 749 }
 750
 751 static int misdn_port_unblock(int fd, int argc, char *argv[])
 752 {
 753         int port;
 754
 755         if (argc != 4)
 756                 return RESULT_SHOWUSAGE;
 757
 758         port = atoi(argv[3]);
 759
 760         misdn_lib_port_unblock(port);
 761
 762         return 0;
 763 }
 764
 765
 766 static int misdn_restart_port (int fd, int argc, char *argv[])
 767 {
 768         int port;
 769
 770         if (argc != 4)
 771                 return RESULT_SHOWUSAGE;
 772
 773         port = atoi(argv[3]);
 774
 775         misdn_lib_port_restart(port);
 776
 777         return 0;
 778 }
 779
 780 static int misdn_restart_pid (int fd, int argc, char *argv[])
 781 {
 782         int pid;
 783
 784         if (argc != 4)
 785                 return RESULT_SHOWUSAGE;
 786
 787         pid = atoi(argv[3]);
 788
 789         misdn_lib_pid_restart(pid);
 790
 791         return 0;
 792 }
 793
 794 static int misdn_port_up (int fd, int argc, char *argv[])
 795 {
 796         int port;
 797
 798         if (argc != 4)
 799                 return RESULT_SHOWUSAGE;
 800
 801         port = atoi(argv[3]);
 802
 803         misdn_lib_get_port_up(port);
 804
 805         return 0;
 806 }
 807
 808 static int misdn_port_down (int fd, int argc, char *argv[])
 809 {
 810         int port;
 811
 812         if (argc != 4)
 813                 return RESULT_SHOWUSAGE;
 814
 815         port = atoi(argv[3]);
 816
 817         misdn_lib_get_port_down(port);
 818
 819         return 0;
 820 }
 821
 822 static inline void show_config_description (int fd, enum misdn_cfg_elements elem)
 823 {
 824         char section[BUFFERSIZE];
 825         char name[BUFFERSIZE];
 826         char desc[BUFFERSIZE];
 827         char def[BUFFERSIZE];
 828         char tmp[BUFFERSIZE];
 829
 830         misdn_cfg_get_name(elem, tmp, sizeof(tmp));
 831         term_color(name, tmp, COLOR_BRWHITE, 0, sizeof(tmp));
 832         misdn_cfg_get_desc(elem, desc, sizeof(desc), def, sizeof(def));
 833
 834         if (elem < MISDN_CFG_LAST)
 835                 term_color(section, "PORTS SECTION", COLOR_YELLOW, 0, sizeof(section));
 836         else
 837                 term_color(section, "GENERAL SECTION", COLOR_YELLOW, 0, sizeof(section));
 838
 839         if (*def)
 840                 ast_cli(fd, "[%s] %s   (Default: %s)\n\t%s\n", section, name, def, desc);
 841         else
 842                 ast_cli(fd, "[%s] %s\n\t%s\n", section, name, desc);
 843 }
 844
 845 static int misdn_show_config (int fd, int argc, char *argv[])
 846 {
 847         char buffer[BUFFERSIZE];
 848         enum misdn_cfg_elements elem;
 849         int linebreak;
 850         int onlyport = -1;
 851         int ok = 0;
 852
 853         if (argc >= 4) {
 854                 if (!strcmp(argv[3], "description")) {
 855                         if (argc == 5) {
 856                                 enum misdn_cfg_elements elem = misdn_cfg_get_elem (argv[4]);
 857                                 if (elem == MISDN_CFG_FIRST)
 858                                         ast_cli(fd, "Unknown element: %s\n", argv[4]);
 859                                 else
 860                                         show_config_description(fd, elem);
 861                                 return 0;
 862                         }
 863                         return RESULT_SHOWUSAGE;
 864                 }
 865                 if (!strcmp(argv[3], "descriptions")) {
 866                         if ((argc == 4) || ((argc == 5) && !strcmp(argv[4], "general"))) {
 867                                 for (elem = MISDN_GEN_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
 868                                         show_config_description(fd, elem);
 869                                         ast_cli(fd, "\n");
 870                                 }
 871                                 ok = 1;
 872                         }
 873                         if ((argc == 4) || ((argc == 5) && !strcmp(argv[4], "ports"))) {
 874                                 for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_CFG_LAST - 1 /* the ptp hack, remove the -1 when ptp is gone */; ++elem) {
 875                                         show_config_description(fd, elem);
 876                                         ast_cli(fd, "\n");
 877                                 }
 878                                 ok = 1;
 879                         }
 880                         return ok ? 0 : RESULT_SHOWUSAGE;
 881                 }
 882                 if (!sscanf(argv[3], "%d", &onlyport) || onlyport < 0) {
 883                         ast_cli(fd, "Unknown option: %s\n", argv[3]);
 884                         return RESULT_SHOWUSAGE;
 885                 }
 886         }
 887
 888         if (argc == 3 || onlyport == 0) {
 889                 ast_cli(fd,"Misdn General-Config: \n");
 890                 for (elem = MISDN_GEN_FIRST + 1, linebreak = 1; elem < MISDN_GEN_LAST; elem++, linebreak++) {
 891                         misdn_cfg_get_config_string( 0, elem, buffer, BUFFERSIZE);
 892                         ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 893                 }
 894                 ast_cli(fd, "\n");
 895         }
 896
 897         if (onlyport < 0) {
 898                 int port = misdn_cfg_get_next_port(0);
 899                 for (; port > 0; port = misdn_cfg_get_next_port(port)) {
 900                         ast_cli(fd, "\n[PORT %d]\n", port);
 901                         for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
 902                                 misdn_cfg_get_config_string( port, elem, buffer, BUFFERSIZE);
 903                                 ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 904                         }
 905                         ast_cli(fd, "\n");
 906                 }
 907         }
 908
 909         if (onlyport > 0) {
 910                 if (misdn_cfg_is_port_valid(onlyport)) {
 911                         ast_cli(fd, "[PORT %d]\n", onlyport);
 912                         for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
 913                                 misdn_cfg_get_config_string(onlyport, elem, buffer, BUFFERSIZE);
 914                                 ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 915                         }
 916                         ast_cli(fd, "\n");
 917                 } else {
 918                         ast_cli(fd, "Port %d is not active!\n", onlyport);
 919                 }
 920         }
 921         return 0;
 922 }
 923
 924 struct state_struct {
 925         enum misdn_chan_state state;
 926         char txt[255] ;
 927 } ;
 928
 929 static struct state_struct state_array[] = {
 930         {MISDN_NOTHING,"NOTHING"}, /* at beginning */
 931         {MISDN_WAITING4DIGS,"WAITING4DIGS"}, /*  when waiting for infos */
 932         {MISDN_EXTCANTMATCH,"EXTCANTMATCH"}, /*  when asterisk couldnt match our ext */
 933         {MISDN_DIALING,"DIALING"}, /*  when pbx_start */
 934         {MISDN_PROGRESS,"PROGRESS"}, /*  when pbx_start */
 935         {MISDN_PROCEEDING,"PROCEEDING"}, /*  when pbx_start */
 936         {MISDN_CALLING,"CALLING"}, /*  when misdn_call is called */
 937         {MISDN_CALLING_ACKNOWLEDGE,"CALLING_ACKNOWLEDGE"}, /*  when misdn_call is called */
 938         {MISDN_ALERTING,"ALERTING"}, /*  when Alerting */
 939         {MISDN_BUSY,"BUSY"}, /*  when BUSY */
 940         {MISDN_CONNECTED,"CONNECTED"}, /*  when connected */
 941         {MISDN_PRECONNECTED,"PRECONNECTED"}, /*  when connected */
 942         {MISDN_DISCONNECTED,"DISCONNECTED"}, /*  when connected */
 943         {MISDN_RELEASED,"RELEASED"}, /*  when connected */
 944         {MISDN_BRIDGED,"BRIDGED"}, /*  when bridged */
 945         {MISDN_CLEANING,"CLEANING"}, /* when hangup from * but we were connected before */
 946         {MISDN_HUNGUP_FROM_MISDN,"HUNGUP_FROM_MISDN"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
 947         {MISDN_HOLDED,"HOLDED"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
 948         {MISDN_HOLD_DISCONNECT,"HOLD_DISCONNECT"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
 949         {MISDN_HUNGUP_FROM_AST,"HUNGUP_FROM_AST"} /* when DISCONNECT/RELEASE/REL_COMP came out of */
 950         /* misdn_hangup */
 951 };
 952
 953 static char *misdn_get_ch_state(struct chan_list *p)
 954 {
 955         int i;
 956         static char state[8];
 957
 958         if( !p) return NULL;
 959
 960         for (i=0; i< sizeof(state_array)/sizeof(struct state_struct); i++) {
 961                 if ( state_array[i].state == p->state) return state_array[i].txt;
 962         }
 963
 964         sprintf(state,"%d",p->state) ;
 965
 966         return state;
 967 }
 968
 969
 970
 971 static void reload_config(void)
 972 {
 973         int i, cfg_debug;
 974
 975         if (!g_config_initialized) {
 976                 ast_log(LOG_WARNING, "chan_misdn is not initialized properly, still reloading ?\n");
 977                 return ;
 978         }
 979
 980         free_robin_list();
 981         misdn_cfg_reload();
 982         misdn_cfg_update_ptp();
 983         misdn_cfg_get( 0, MISDN_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
 984         misdn_cfg_get( 0, MISDN_GEN_DEBUG, &cfg_debug, sizeof(int));
 985
 986         for (i = 0;  i <= max_ports; i++) {
 987                 misdn_debug[i] = cfg_debug;
 988                 misdn_debug_only[i] = 0;
 989         }
 990 }
 991
 992 static int misdn_reload (int fd, int argc, char *argv[])
 993 {
 994         ast_cli(fd, "Reloading mISDN Config\n");
 995         reload_config();
 996         return 0;
 997 }
 998
 999 static void print_bc_info (int fd, struct chan_list* help, struct misdn_bchannel* bc)
1000 {
1001         struct ast_channel *ast=help->ast;
1002         ast_cli(fd,
1003                 "* Pid:%d Prt:%d Ch:%d Mode:%s Org:%s dad:%s oad:%s rad:%s ctx:%s state:%s\n",
1004
1005                 bc->pid, bc->port, bc->channel,
1006                 bc->nt?"NT":"TE",
1007                 help->orginator == ORG_AST?"*":"I",
1008                 ast?ast->exten:NULL,
1009                 ast?AST_CID_P(ast):NULL,
1010                 bc->rad,
1011                 ast?ast->context:NULL,
1012                 misdn_get_ch_state(help)
1013                 );
1014         if (misdn_debug[bc->port] > 0)
1015                 ast_cli(fd,
1016                         "  --> astname: %s\n"
1017                         "  --> ch_l3id: %x\n"
1018                         "  --> ch_addr: %x\n"
1019                         "  --> bc_addr: %x\n"
1020                         "  --> bc_l3id: %x\n"
1021                         "  --> display: %s\n"
1022                         "  --> activated: %d\n"
1023                         "  --> state: %s\n"
1024                         "  --> capability: %s\n"
1025                         "  --> echo_cancel: %d\n"
1026                         "  --> notone : rx %d tx:%d\n"
1027                         "  --> bc_hold: %d\n",
1028                         help->ast->name,
1029                         help->l3id,
1030                         help->addr,
1031                         bc->addr,
1032                         bc?bc->l3_id:-1,
1033                         bc->display,
1034
1035                         bc->active,
1036                         bc_state2str(bc->bc_state),
1037                         bearer2str(bc->capability),
1038                         bc->ec_enable,
1039
1040                         help->norxtone,help->notxtone,
1041                         bc->holded
1042                         );
1043
1044 }
1045
1046 static int misdn_show_cls (int fd, int argc, char *argv[])
1047 {
1048         struct chan_list *help=cl_te;
1049
1050         ast_cli(fd,"Chan List: %p\n",cl_te);
1051
1052         for (;help; help=help->next) {
1053                 struct misdn_bchannel *bc=help->bc;
1054                 struct ast_channel *ast=help->ast;
1055                 if (misdn_debug[0] > 2) ast_cli(fd, "Bc:%p Ast:%p\n", bc, ast);
1056                 if (bc) {
1057                         print_bc_info(fd, help, bc);
1058                 } else {
1059                         if (help->state == MISDN_HOLDED) {
1060                                 chan_misdn_log(2, 0, "ITS A HOLDED BC:\n");
1061                                 chan_misdn_log(2,0," --> l3_id: %x\n"
1062                                                 " --> dad:%s oad:%s\n"
1063                                                 " --> hold_port: %d\n"
1064                                                 " --> hold_channel: %d\n"
1065
1066                                                 ,help->l3id
1067                                                 ,ast->exten
1068                                                 ,AST_CID_P(ast)
1069                                                 ,help->hold_info.port
1070                                                 ,help->hold_info.channel
1071                                                 );
1072                         } else {
1073                                 ast_cli(fd,"* Channel in unknown STATE !!! Exten:%s, Callerid:%s\n", ast->exten, AST_CID_P(ast));
1074                         }
1075                 }
1076         }
1077
1078
1079         return 0;
1080 }
1081
1082 static int misdn_show_cl (int fd, int argc, char *argv[])
1083 {
1084         struct chan_list *help=cl_te;
1085
1086         if (argc != 4)
1087                 return RESULT_SHOWUSAGE;
1088
1089         for (;help; help=help->next) {
1090                 struct misdn_bchannel *bc=help->bc;
1091                 struct ast_channel *ast=help->ast;
1092
1093                 if (bc && ast) {
1094                         if (!strcasecmp(ast->name,argv[3])) {
1095                                 print_bc_info(fd, help, bc);
1096                                 break;
1097                         }
1098                 }
1099         }
1100
1101
1102         return 0;
1103 }
1104
1105 ast_mutex_t lock;
1106 int MAXTICS=8;
1107
1108 static int misdn_set_tics (int fd, int argc, char *argv[])
1109 {
1110         if (argc != 4)
1111                 return RESULT_SHOWUSAGE;
1112
1113         MAXTICS=atoi(argv[3]);
1114
1115         return 0;
1116 }
1117
1118 static int misdn_show_stacks (int fd, int argc, char *argv[])
1119 {
1120         int port;
1121
1122         ast_cli(fd, "BEGIN STACK_LIST:\n");
1123
1124         for (port=misdn_cfg_get_next_port(0); port > 0;
1125              port=misdn_cfg_get_next_port(port)) {
1126                 char buf[128];
1127                 get_show_stack_details(port,buf);
1128                 ast_cli(fd,"  %s  Debug:%d%s\n", buf, misdn_debug[port], misdn_debug_only[port]?"(only)":"");
1129         }
1130
1131         return 0;
1132 }
1133
1134
1135 static int misdn_show_ports_stats (int fd, int argc, char *argv[])
1136 {
1137         int port;
1138
1139         ast_cli(fd, "Port\tin_calls\tout_calls\n");
1140
1141         for (port=misdn_cfg_get_next_port(0); port > 0;
1142              port=misdn_cfg_get_next_port(port)) {
1143                 ast_cli(fd,"%d\t%d\t\t%d\n",port,misdn_in_calls[port],misdn_out_calls[port]);
1144         }
1145         ast_cli(fd,"\n");
1146
1147         return 0;
1148
1149 }
1150
1151
1152 static int misdn_show_port (int fd, int argc, char *argv[])
1153 {
1154         int port;
1155
1156         if (argc != 4)
1157                 return RESULT_SHOWUSAGE;
1158
1159         port = atoi(argv[3]);
1160
1161         ast_cli(fd, "BEGIN STACK_LIST:\n");
1162
1163         char buf[128];
1164         get_show_stack_details(port,buf);
1165         ast_cli(fd,"  %s  Debug:%d%s\n",buf, misdn_debug[port], misdn_debug_only[port]?"(only)":"");
1166
1167
1168         return 0;
1169 }
1170
1171 static int misdn_send_cd (int fd, int argc, char *argv[])
1172 {
1173         char *channame;
1174         char *nr;
1175
1176         if (argc != 5)
1177                 return RESULT_SHOWUSAGE;
1178
1179         channame = argv[3];
1180         nr = argv[4];
1181
1182         ast_cli(fd, "Sending Calldeflection (%s) to %s\n",nr, channame);
1183
1184         {
1185                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1186
1187                 if (!tmp) {
1188                         ast_cli(fd, "Sending CD with nr %s to %s failed: Channel does not exist.\n",nr, channame);
1189                         return 0;
1190                 } else {
1191                         if (strlen(nr) >= 15) {
1192                                 ast_cli(fd, "Sending CD with nr %s to %s failed: Number too long (up to 15 digits are allowed).\n",nr, channame);
1193                                 return 0;
1194                         }
1195                         tmp->bc->fac_out.Function = Fac_CD;
1196                         strncpy((char *)tmp->bc->fac_out.u.CDeflection.DeflectedToNumber, nr, sizeof(tmp->bc->fac_out.u.CDeflection.DeflectedToNumber));
1197                         misdn_lib_send_event(tmp->bc, EVENT_FACILITY);
1198                 }
1199         }
1200
1201         return 0;
1202 }
1203
1204 static int misdn_send_digit (int fd, int argc, char *argv[])
1205 {
1206         char *channame;
1207         char *msg;
1208
1209         if (argc != 5)
1210                 return RESULT_SHOWUSAGE;
1211
1212         channame = argv[3];
1213         msg = argv[4];
1214
1215         ast_cli(fd, "Sending %s to %s\n",msg, channame);
1216
1217         {
1218                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1219
1220                 if (!tmp) {
1221                         ast_cli(fd, "Sending %s to %s failed Channel does not exist\n",msg, channame);
1222                         return 0;
1223                 } else {
1224 #if 1
1225                         int i;
1226                         int msglen = strlen(msg);
1227                         for (i=0; i<msglen; i++) {
1228                                 ast_cli(fd, "Sending: %c\n",msg[i]);
1229                                 send_digit_to_chan(tmp, msg[i]);
1230                                 /* res = ast_safe_sleep(tmp->ast, 250); */
1231                                 usleep(250000);
1232                                 /* res = ast_waitfor(tmp->ast,100); */
1233                         }
1234 #else
1235                         int res;
1236                         res = ast_dtmf_stream(tmp->ast,NULL,msg,250);
1237 #endif
1238                 }
1239         }
1240
1241         return 0;
1242 }
1243
1244 static int misdn_toggle_echocancel (int fd, int argc, char *argv[])
1245 {
1246         char *channame;
1247
1248         if (argc != 4)
1249                 return RESULT_SHOWUSAGE;
1250
1251         channame = argv[3];
1252
1253         ast_cli(fd, "Toggling EchoCancel on %s\n", channame);
1254
1255         {
1256                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1257
1258                 if (!tmp) {
1259                         ast_cli(fd, "Toggling EchoCancel %s failed Channel does not exist\n", channame);
1260                         return 0;
1261                 } else {
1262
1263                         tmp->toggle_ec=tmp->toggle_ec?0:1;
1264
1265                         if (tmp->toggle_ec) {
1266                                 update_ec_config(tmp->bc);
1267                                 manager_ec_enable(tmp->bc);
1268                         } else {
1269                                 manager_ec_disable(tmp->bc);
1270                         }
1271                 }
1272         }
1273
1274         return 0;
1275 }
1276
1277 static int misdn_send_display (int fd, int argc, char *argv[])
1278 {
1279         char *channame;
1280         char *msg;
1281
1282         if (argc != 5)
1283                 return RESULT_SHOWUSAGE;
1284
1285         channame = argv[3];
1286         msg = argv[4];
1287
1288         ast_cli(fd, "Sending %s to %s\n",msg, channame);
1289         {
1290                 struct chan_list *tmp;
1291                 tmp=get_chan_by_ast_name(channame);
1292
1293                 if (tmp && tmp->bc) {
1294                         ast_copy_string(tmp->bc->display, msg, sizeof(tmp->bc->display));
1295                         misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
1296                 } else {
1297                         ast_cli(fd,"No such channel %s\n",channame);
1298                         return RESULT_FAILURE;
1299                 }
1300         }
1301
1302         return RESULT_SUCCESS ;
1303 }
1304
1305 static char *complete_ch_helper(const char *line, const char *word, int pos, int state, int rpos)
1306 {
1307         struct ast_channel *c;
1308         int which=0;
1309         char *ret;
1310         if (pos != rpos)
1311                 return NULL;
1312         c = ast_channel_walk_locked(NULL);
1313         while(c) {
1314                 if (!strncasecmp(word, c->name, strlen(word))) {
1315                         if (++which > state)
1316                                 break;
1317                 }
1318                 ast_mutex_unlock(&c->lock);
1319                 c = ast_channel_walk_locked(c);
1320         }
1321         if (c) {
1322                 ret = strdup(c->name);
1323                 ast_mutex_unlock(&c->lock);
1324         } else
1325                 ret = NULL;
1326         return ret;
1327 }
1328
1329 static char *complete_ch(const char *line, const char *word, int pos, int state)
1330 {
1331         return complete_ch_helper(line, word, pos, state, 3);
1332 }
1333
1334 static char *complete_debug_port (const char *line, const char *word, int pos, int state)
1335 {
1336         if (state)
1337                 return NULL;
1338
1339         switch (pos) {
1340         case 4: if (*word == 'p')
1341                                 return strdup("port");
1342                         else if (*word == 'o')
1343                                 return strdup("only");
1344                         break;
1345         case 6: if (*word == 'o')
1346                                 return strdup("only");
1347                         break;
1348         }
1349         return NULL;
1350 }
1351
1352 static char *complete_show_config (const char *line, const char *word, int pos, int state)
1353 {
1354         char buffer[BUFFERSIZE];
1355         enum misdn_cfg_elements elem;
1356         int wordlen = strlen(word);
1357         int which = 0;
1358         int port = 0;
1359
1360         switch (pos) {
1361         case 3: if ((!strncmp(word, "description", wordlen)) && (++which > state))
1362                                 return strdup("description");
1363                         if ((!strncmp(word, "descriptions", wordlen)) && (++which > state))
1364                                 return strdup("descriptions");
1365                         if ((!strncmp(word, "0", wordlen)) && (++which > state))
1366                                 return strdup("0");
1367                         while ((port = misdn_cfg_get_next_port(port)) != -1) {
1368                                 snprintf(buffer, sizeof(buffer), "%d", port);
1369                                 if ((!strncmp(word, buffer, wordlen)) && (++which > state)) {
1370                                         return strdup(buffer);
1371                                 }
1372                         }
1373                         break;
1374         case 4:
1375                         if (strstr(line, "description ")) {
1376                                 for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
1377                                         if ((elem == MISDN_CFG_LAST) || (elem == MISDN_GEN_FIRST))
1378                                                 continue;
1379                                         misdn_cfg_get_name(elem, buffer, BUFFERSIZE);
1380                                         if (!wordlen || !strncmp(word, buffer, wordlen)) {
1381                                                 if (++which > state)
1382                                                         return strdup(buffer);
1383                                         }
1384                                 }
1385                         } else if (strstr(line, "descriptions ")) {
1386                                 if ((!wordlen || !strncmp(word, "general", wordlen)) && (++which > state))
1387                                         return strdup("general");
1388                                 if ((!wordlen || !strncmp(word, "ports", wordlen)) && (++which > state))
1389                                         return strdup("ports");
1390                         }
1391                         break;
1392         }
1393         return NULL;
1394 }
1395
1396 static struct ast_cli_entry chan_misdn_clis[] = {
1397         { {"misdn","send","calldeflect", NULL}, misdn_send_cd, "Sends CallDeflection to mISDN Channel",
1398                 "Usage: misdn send calldeflect <channel> \"<nr>\" \n", complete_ch },
1399         { {"misdn","send","digit", NULL}, misdn_send_digit,     "Sends DTMF Digit to mISDN Channel",
1400                 "Usage: misdn send digit <channel> \"<msg>\" \n"
1401                 "       Send <digit> to <channel> as DTMF Tone\n"
1402                 "       when channel is a mISDN channel\n", complete_ch },
1403         { {"misdn","toggle","echocancel", NULL}, misdn_toggle_echocancel, "Toggles EchoCancel on mISDN Channel",
1404                 "Usage: misdn toggle echocancel <channel>\n", complete_ch },
1405         { {"misdn","send","display", NULL}, misdn_send_display, "Sends Text to mISDN Channel",
1406                 "Usage: misdn send display <channel> \"<msg>\" \n"
1407                 "       Send <msg> to <channel> as Display Message\n"
1408                 "       when channel is a mISDN channel\n", complete_ch },
1409         { {"misdn","show","config", NULL}, misdn_show_config, "Shows internal mISDN config, read from cfg-file",
1410                 "Usage: misdn show config [<port> | description <config element> | descriptions [general|ports]]\n"
1411                 "       Use 0 for <port> to only print the general config.\n", complete_show_config },
1412         { {"misdn","reload", NULL}, misdn_reload, "Reloads internal mISDN config, read from cfg-file",
1413                 "Usage: misdn reload\n" },
1414         { {"misdn","set","tics", NULL}, misdn_set_tics, "",
1415                 "\n" },
1416         { {"misdn","show","channels", NULL}, misdn_show_cls, "Shows internal mISDN chan_list",
1417                 "Usage: misdn show channels\n" },
1418         { {"misdn","show","channel", NULL}, misdn_show_cl, "Shows internal mISDN chan_list",
1419                 "Usage: misdn show channels\n", complete_ch },
1420         { {"misdn","port","block", NULL}, misdn_port_block, "Blocks the given port",
1421                 "Usage: misdn port block\n" },
1422         { {"misdn","port","unblock", NULL}, misdn_port_unblock, "Unblocks the given port",
1423                 "Usage: misdn port unblock\n" },
1424         { {"misdn","restart","port", NULL}, misdn_restart_port, "Restarts the given port",
1425                 "Usage: misdn restart port\n" },
1426         { {"misdn","restart","pid", NULL}, misdn_restart_pid, "Restarts the given pid",
1427                 "Usage: misdn restart pid\n" },
1428         { {"misdn","port","up", NULL}, misdn_port_up, "Tries to establish L1 on the given port",
1429                 "Usage: misdn port up <port>\n" },
1430         { {"misdn","port","down", NULL}, misdn_port_down, "Tries to deacivate the L1 on the given port",
1431                 "Usage: misdn port down <port>\n" },
1432         { {"misdn","show","stacks", NULL}, misdn_show_stacks, "Shows internal mISDN stack_list",
1433                 "Usage: misdn show stacks\n" },
1434         { {"misdn","show","ports","stats", NULL}, misdn_show_ports_stats, "Shows chan_misdns call statistics per port",
1435                 "Usage: misdn show port stats\n" },
1436         { {"misdn","show","port", NULL}, misdn_show_port, "Shows detailed information for given port",
1437                 "Usage: misdn show port <port>\n" },
1438         { {"misdn","set","debug", NULL}, misdn_set_debug, "Sets Debuglevel of chan_misdn",
1439                 "Usage: misdn set debug <level> [only] | [port <port> [only]]\n", complete_debug_port },
1440         { {"misdn","set","crypt","debug", NULL}, misdn_set_crypt_debug, "Sets CryptDebuglevel of chan_misdn, at the moment, level={1,2}",
1441                 "Usage: misdn set crypt debug <level>\n" }
1442 };
1443
1444 static int update_config (struct chan_list *ch, int orig)
1445 {
1446         if (!ch) {
1447                 ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
1448                 return -1;
1449         }
1450
1451         struct ast_channel *ast=ch->ast;
1452         struct misdn_bchannel *bc=ch->bc;
1453         if (! ast || ! bc ) {
1454                 ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
1455                 return -1;
1456         }
1457
1458         int port=bc->port;
1459
1460         chan_misdn_log(7,port,"update_config: Getting Config\n");
1461
1462         int hdlc=0;
1463         misdn_cfg_get( port, MISDN_CFG_HDLC, &hdlc, sizeof(int));
1464
1465         if (hdlc) {
1466                 switch (bc->capability) {
1467                 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
1468                 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
1469                         chan_misdn_log(1,bc->port," --> CONF HDLC\n");
1470                         bc->hdlc=1;
1471                         break;
1472                 }
1473
1474         }
1475
1476
1477         int pres, screen;
1478
1479         misdn_cfg_get( port, MISDN_CFG_PRES, &pres, sizeof(int));
1480         misdn_cfg_get( port, MISDN_CFG_SCREEN, &screen, sizeof(int));
1481         chan_misdn_log(2,port," --> pres: %d screen: %d\n",pres, screen);
1482
1483         if ( (pres + screen) < 0 ) {
1484
1485                 chan_misdn_log(2,port," --> pres: %x\n", ast->cid.cid_pres);
1486
1487                 switch (ast->cid.cid_pres & 0x60){
1488
1489                 case AST_PRES_RESTRICTED:
1490                         bc->pres=1;
1491                         chan_misdn_log(2, port, " --> PRES: Restricted (0x1)\n");
1492                         break;
1493
1494
1495                 case AST_PRES_UNAVAILABLE:
1496                         bc->pres=2;
1497                         chan_misdn_log(2, port, " --> PRES: Unavailable (0x2)\n");
1498                         break;
1499
1500                 default:
1501                         bc->pres=0;
1502                         chan_misdn_log(2, port, " --> PRES: Allowed (0x0)\n");
1503                 }
1504
1505                 switch (ast->cid.cid_pres & 0x3){
1506
1507                 case AST_PRES_USER_NUMBER_UNSCREENED:
1508                         bc->screen=0;
1509                         chan_misdn_log(2, port, " --> SCREEN: Unscreened (0x0)\n");
1510                         break;
1511
1512                 case AST_PRES_USER_NUMBER_PASSED_SCREEN:
1513                         bc->screen=1;
1514                         chan_misdn_log(2, port, " --> SCREEN: Passed Screen (0x1)\n");
1515                         break;
1516                 case AST_PRES_USER_NUMBER_FAILED_SCREEN:
1517                         bc->screen=2;
1518                         chan_misdn_log(2, port, " --> SCREEN: Failed Screen (0x2)\n");
1519                         break;
1520
1521                 case AST_PRES_NETWORK_NUMBER:
1522                         bc->screen=3;
1523                         chan_misdn_log(2, port, " --> SCREEN: Network Nr. (0x3)\n");
1524                         break;
1525
1526                 default:
1527                         bc->screen=0;
1528                         chan_misdn_log(2, port, " --> SCREEN: Unscreened (0x0)\n");
1529                 }
1530
1531
1532         } else {
1533                 bc->screen=screen;
1534                 bc->pres=pres;
1535         }
1536
1537         return 0;
1538
1539 }
1540
1541
1542
1543
1544 static void config_jitterbuffer(struct chan_list *ch)
1545 {
1546         struct misdn_bchannel *bc=ch->bc;
1547         int len=ch->jb_len, threshold=ch->jb_upper_threshold;
1548
1549         chan_misdn_log(5,bc->port, "config_jb: Called\n");
1550
1551         if ( ! len ) {
1552                 chan_misdn_log(1,bc->port, "config_jb: Deactivating Jitterbuffer\n");
1553                 bc->nojitter=1;
1554         } else {
1555
1556                 if (len <=100 || len > 8000) {
1557                         chan_misdn_log(0,bc->port,"config_jb: Jitterbuffer out of Bounds, setting to 1000\n");
1558                         len=1000;
1559                 }
1560
1561                 if ( threshold > len ) {
1562                         chan_misdn_log(0,bc->port,"config_jb: Jitterbuffer Threshold > Jitterbuffer setting to Jitterbuffer -1\n");
1563                 }
1564
1565                 if ( ch->jb) {
1566                         cb_log(0,bc->port,"config_jb: We've got a Jitterbuffer Already on this port.\n");
1567                         misdn_jb_destroy(ch->jb);
1568                         ch->jb=NULL;
1569                 }
1570
1571                 ch->jb=misdn_jb_init(len, threshold);
1572
1573                 if (!ch->jb )
1574                         bc->nojitter=1;
1575         }
1576 }
1577
1578
1579 void debug_numplan(int port, int numplan, char *type)
1580 {
1581         switch (numplan) {
1582         case NUMPLAN_INTERNATIONAL:
1583                 chan_misdn_log(2, port, " --> %s: International\n",type);
1584                 break;
1585         case NUMPLAN_NATIONAL:
1586                 chan_misdn_log(2, port, " --> %s: National\n",type);
1587                 break;
1588         case NUMPLAN_SUBSCRIBER:
1589                 chan_misdn_log(2, port, " --> %s: Subscriber\n",type);
1590                 break;
1591         case NUMPLAN_UNKNOWN:
1592                 chan_misdn_log(2, port, " --> %s: Unknown\n",type);
1593                 break;
1594                 /* Maybe we should cut off the prefix if present ? */
1595         default:
1596                 chan_misdn_log(0, port, " --> !!!! Wrong dialplan setting, please see the misdn.conf sample file\n ");
1597                 break;
1598         }
1599 }
1600
1601
1602
1603
1604 static int update_ec_config(struct misdn_bchannel *bc)
1605 {
1606         int ec;
1607         int port=bc->port;
1608
1609         misdn_cfg_get( port, MISDN_CFG_ECHOCANCEL, &ec, sizeof(int));
1610
1611         if (ec == 1 ) {
1612                 bc->ec_enable=1;
1613         } else if ( ec > 1 ) {
1614                 bc->ec_enable=1;
1615                 bc->ec_deftaps=ec;
1616         }
1617 #ifdef WITH_ECHOTRAINING
1618         int ectr;
1619         misdn_cfg_get( port, MISDN_CFG_ECHOTRAINING, &ectr, sizeof(int));
1620
1621         if ( ectr >= 0 ) {
1622                 bc->ec_training=ectr;
1623         }
1624 #endif
1625
1626         return 0;
1627 }
1628
1629
1630 static int read_config(struct chan_list *ch, int orig) {
1631
1632         if (!ch) {
1633                 ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
1634                 return -1;
1635         }
1636
1637         struct ast_channel *ast=ch->ast;
1638         struct misdn_bchannel *bc=ch->bc;
1639         if (! ast || ! bc ) {
1640                 ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
1641                 return -1;
1642         }
1643
1644         int port=bc->port;
1645
1646         chan_misdn_log(1,port,"read_config: Getting Config\n");
1647
1648         char lang[BUFFERSIZE+1];
1649
1650
1651         misdn_cfg_get( port, MISDN_CFG_LANGUAGE, lang, BUFFERSIZE);
1652         ast_string_field_set(ast, language, lang);
1653
1654         char localmusicclass[BUFFERSIZE+1];
1655
1656         misdn_cfg_get( port, MISDN_CFG_MUSICCLASS, localmusicclass, BUFFERSIZE);
1657         ast_string_field_set(ast, musicclass, localmusicclass);
1658
1659
1660         misdn_cfg_get( port, MISDN_CFG_TXGAIN, &bc->txgain, sizeof(int));
1661         misdn_cfg_get( port, MISDN_CFG_RXGAIN, &bc->rxgain, sizeof(int));
1662
1663         misdn_cfg_get( port, MISDN_CFG_INCOMING_EARLY_AUDIO, &ch->incoming_early_audio, sizeof(int));
1664
1665         misdn_cfg_get( port, MISDN_CFG_SENDDTMF, &bc->send_dtmf, sizeof(int));
1666
1667         misdn_cfg_get( port, MISDN_CFG_NEED_MORE_INFOS, &bc->need_more_infos, sizeof(int));
1668         misdn_cfg_get( port, MISDN_CFG_NTTIMEOUT, &ch->nttimeout, sizeof(int));
1669
1670         misdn_cfg_get( port, MISDN_CFG_FAR_ALERTING, &ch->far_alerting, sizeof(int));
1671
1672         misdn_cfg_get( port, MISDN_CFG_ALLOWED_BEARERS, &ch->allowed_bearers, BUFFERSIZE);
1673
1674         char faxdetect[BUFFERSIZE+1];
1675         misdn_cfg_get( port, MISDN_CFG_FAXDETECT, faxdetect, BUFFERSIZE);
1676
1677         int hdlc=0;
1678         misdn_cfg_get( port, MISDN_CFG_HDLC, &hdlc, sizeof(int));
1679
1680         if (hdlc) {
1681                 switch (bc->capability) {
1682                 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
1683                 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
1684                         chan_misdn_log(1,bc->port," --> CONF HDLC\n");
1685                         bc->hdlc=1;
1686                         break;
1687                 }
1688
1689         }
1690         /*Initialize new Jitterbuffer*/
1691         {
1692                 misdn_cfg_get( port, MISDN_CFG_JITTERBUFFER, &ch->jb_len, sizeof(int));
1693                 misdn_cfg_get( port, MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, &ch->jb_upper_threshold, sizeof(int));
1694
1695                 config_jitterbuffer(ch);
1696         }
1697
1698         misdn_cfg_get( bc->port, MISDN_CFG_CONTEXT, ch->context, sizeof(ch->context));
1699
1700         ast_copy_string (ast->context,ch->context,sizeof(ast->context));
1701
1702         update_ec_config(bc);
1703
1704         {
1705                 int eb3;
1706
1707                 misdn_cfg_get( bc->port, MISDN_CFG_EARLY_BCONNECT, &eb3, sizeof(int));
1708                 bc->early_bconnect=eb3;
1709         }
1710
1711         port=bc->port;
1712
1713         {
1714                 char buf[256];
1715                 ast_group_t pg,cg;
1716
1717                 misdn_cfg_get(port, MISDN_CFG_PICKUPGROUP, &pg, sizeof(pg));
1718                 misdn_cfg_get(port, MISDN_CFG_CALLGROUP, &cg, sizeof(cg));
1719
1720                 chan_misdn_log(5, port, " --> * CallGrp:%s PickupGrp:%s\n",ast_print_group(buf,sizeof(buf),cg),ast_print_group(buf,sizeof(buf),pg));
1721                 ast->pickupgroup=pg;
1722                 ast->callgroup=cg;
1723         }
1724
1725         if ( orig  == ORG_AST) {
1726                 misdn_cfg_get( port, MISDN_CFG_TE_CHOOSE_CHANNEL, &(bc->te_choose_channel), sizeof(int));
1727
1728                 if (strstr(faxdetect, "outgoing") || strstr(faxdetect, "both")) {
1729                         if (strstr(faxdetect, "nojump"))
1730                                 ch->faxdetect=2;
1731                         else
1732                                 ch->faxdetect=1;
1733                 }
1734
1735                 {
1736                         char callerid[BUFFERSIZE+1];
1737                         misdn_cfg_get( port, MISDN_CFG_CALLERID, callerid, BUFFERSIZE);
1738                         if ( ! ast_strlen_zero(callerid) ) {
1739                                 chan_misdn_log(1, port, " --> * Setting Cid to %s\n", callerid);
1740                                 {
1741                                         int l = sizeof(bc->oad);
1742                                         strncpy(bc->oad,callerid, l);
1743                                         bc->oad[l-1] = 0;
1744                                 }
1745
1746                         }
1747
1748
1749                         misdn_cfg_get( port, MISDN_CFG_DIALPLAN, &bc->dnumplan, sizeof(int));
1750                         misdn_cfg_get( port, MISDN_CFG_LOCALDIALPLAN, &bc->onumplan, sizeof(int));
1751                         misdn_cfg_get( port, MISDN_CFG_CPNDIALPLAN, &bc->cpnnumplan, sizeof(int));
1752                         debug_numplan(port, bc->dnumplan,"TON");
1753                         debug_numplan(port, bc->onumplan,"LTON");
1754                         debug_numplan(port, bc->cpnnumplan,"CTON");
1755                 }
1756
1757                 ch->overlap_dial = 0;
1758         } else { /** ORIGINATOR MISDN **/
1759                 if (strstr(faxdetect, "incoming") || strstr(faxdetect, "both")) {
1760                         if (strstr(faxdetect, "nojump"))
1761                                 ch->faxdetect=2;
1762                         else
1763                                 ch->faxdetect=1;
1764                 }
1765
1766                 misdn_cfg_get( port, MISDN_CFG_CPNDIALPLAN, &bc->cpnnumplan, sizeof(int));
1767                 debug_numplan(port, bc->cpnnumplan,"CTON");
1768
1769                 char prefix[BUFFERSIZE+1]="";
1770                 switch( bc->onumplan ) {
1771                 case NUMPLAN_INTERNATIONAL:
1772                         misdn_cfg_get( bc->port, MISDN_CFG_INTERNATPREFIX, prefix, BUFFERSIZE);
1773                         break;
1774
1775                 case NUMPLAN_NATIONAL:
1776                         misdn_cfg_get( bc->port, MISDN_CFG_NATPREFIX, prefix, BUFFERSIZE);
1777                         break;
1778                 default:
1779                         break;
1780                 }
1781
1782                 {
1783                         int l = strlen(prefix) + strlen(bc->oad);
1784                         char tmp[l+1];
1785                         strcpy(tmp,prefix);
1786                         strcat(tmp,bc->oad);
1787                         strcpy(bc->oad,tmp);
1788                 }
1789
1790                 if (!ast_strlen_zero(bc->dad)) {
1791                         ast_copy_string(bc->orig_dad,bc->dad, sizeof(bc->orig_dad));
1792                 }
1793
1794                 if ( ast_strlen_zero(bc->dad) && !ast_strlen_zero(bc->keypad)) {
1795                         ast_copy_string(bc->dad,bc->keypad, sizeof(bc->dad));
1796                 }
1797
1798                 prefix[0] = 0;
1799
1800                 switch( bc->dnumplan ) {
1801                 case NUMPLAN_INTERNATIONAL:
1802                         misdn_cfg_get( bc->port, MISDN_CFG_INTERNATPREFIX, prefix, BUFFERSIZE);
1803                         break;
1804                 case NUMPLAN_NATIONAL:
1805                         misdn_cfg_get( bc->port, MISDN_CFG_NATPREFIX, prefix, BUFFERSIZE);
1806                         break;
1807                 default:
1808                         break;
1809                 }
1810
1811                 {
1812                         int l = strlen(prefix) + strlen(bc->dad);
1813                         char tmp[l+1];
1814                         strcpy(tmp,prefix);
1815                         strcat(tmp,bc->dad);
1816                         strcpy(bc->dad,tmp);
1817                 }
1818
1819                 if ( strcmp(bc->dad,ast->exten)) {
1820                         ast_copy_string(ast->exten, bc->dad, sizeof(ast->exten));
1821                 }
1822
1823                 ast_set_callerid(ast, bc->oad, NULL, bc->oad);
1824
1825                 if ( !ast_strlen_zero(bc->rad) ) {
1826                         if (ast->cid.cid_rdnis)
1827                                 free(ast->cid.cid_rdnis);
1828                         ast->cid.cid_rdnis = strdup(bc->rad);
1829                 }
1830
1831                 misdn_cfg_get(bc->port, MISDN_CFG_OVERLAP_DIAL, &ch->overlap_dial, sizeof(ch->overlap_dial));
1832                 ast_mutex_init(&ch->overlap_tv_lock);
1833         } /* ORIG MISDN END */
1834
1835         ch->overlap_dial_task = -1;
1836
1837         if (ch->faxdetect) {
1838                 misdn_cfg_get( port, MISDN_CFG_FAXDETECT_TIMEOUT, &ch->faxdetect_timeout, sizeof(ch->faxdetect_timeout));
1839                 if (!ch->dsp)
1840                         ch->dsp = ast_dsp_new();
1841                 if (ch->dsp)
1842                         ast_dsp_set_features(ch->dsp, DSP_FEATURE_DTMF_DETECT | DSP_FEATURE_FAX_DETECT);
1843                 if (!ch->trans)
1844                         ch->trans=ast_translator_build_path(AST_FORMAT_SLINEAR, AST_FORMAT_ALAW);
1845         }
1846
1847         /* AOCD initialization */
1848         bc->AOCDtype = Fac_None;
1849
1850         return 0;
1851 }
1852
1853
1854 /*****************************/
1855 /*** AST Indications Start ***/
1856 /*****************************/
1857
1858 static int misdn_call(struct ast_channel *ast, char *dest, int timeout)
1859 {
1860         int port=0;
1861         int r;
1862         struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
1863         struct misdn_bchannel *newbc;
1864         char *opts=NULL, *ext,*tokb;
1865         char dest_cp[256];
1866
1867         {
1868                 strncpy(dest_cp,dest,sizeof(dest_cp)-1);
1869                 dest_cp[sizeof(dest_cp)]=0;
1870
1871                 ext=strtok_r(dest_cp,"/",&tokb);
1872
1873                 if (ext) {
1874                         ext=strtok_r(NULL,"/",&tokb);
1875                         if (ext) {
1876                                 opts=strtok_r(NULL,"/",&tokb);
1877                         } else {
1878                                 chan_misdn_log(0,0,"misdn_call: No Extension given!\n");
1879                                 return -1;
1880                         }
1881                 }
1882         }
1883
1884         if (!ast) {
1885                 ast_log(LOG_WARNING, " --> ! misdn_call called on ast_channel *ast where ast == NULL\n");
1886                 return -1;
1887         }
1888
1889         if (((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) || !dest  ) {
1890                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1891                 ast->hangupcause=41;
1892                 ast_setstate(ast, AST_STATE_DOWN);
1893                 return -1;
1894         }
1895
1896         if (!ch) {
1897                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1898                 ast->hangupcause=41;
1899                 ast_setstate(ast, AST_STATE_DOWN);
1900                 return -1;
1901         }
1902
1903         newbc=ch->bc;
1904
1905         if (!newbc) {
1906                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1907                 ast->hangupcause=41;
1908                 ast_setstate(ast, AST_STATE_DOWN);
1909                 return -1;
1910         }
1911
1912         port=newbc->port;
1913         strncpy(newbc->dad,ext,sizeof( newbc->dad));
1914         strncpy(ast->exten,ext,sizeof(ast->exten));
1915
1916         int exceed;
1917         if ((exceed=add_out_calls(port))) {
1918                 char tmp[16];
1919                 sprintf(tmp,"%d",exceed);
1920                 pbx_builtin_setvar_helper(ast,"MAX_OVERFLOW",tmp);
1921                 return -1;
1922         }
1923
1924         chan_misdn_log(1, port, "* CALL: %s\n",dest);
1925
1926         chan_misdn_log(2, port, " --> * dad:%s tech:%s ctx:%s\n",ast->exten,ast->name, ast->context);
1927
1928         chan_misdn_log(3, port, " --> * adding2newbc ext %s\n",ast->exten);
1929         if (ast->exten) {
1930                 int l = sizeof(newbc->dad);
1931                 strncpy(newbc->dad,ast->exten, l);
1932                 newbc->dad[l-1] = 0;
1933         }
1934         newbc->rad[0]=0;
1935         chan_misdn_log(3, port, " --> * adding2newbc callerid %s\n",AST_CID_P(ast));
1936         if (ast_strlen_zero(newbc->oad) && AST_CID_P(ast) ) {
1937
1938                 if (AST_CID_P(ast)) {
1939                         int l = sizeof(newbc->oad);
1940                         strncpy(newbc->oad,AST_CID_P(ast), l);
1941                         newbc->oad[l-1] = 0;
1942                 }
1943         }
1944
1945         {
1946                 struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
1947                 if (!ch) { ast_verbose("No chan_list in misdn_call\n"); return -1;}
1948
1949                 newbc->capability=ast->transfercapability;
1950                 pbx_builtin_setvar_helper(ast,"TRANSFERCAPABILITY",ast_transfercapability2str(newbc->capability));
1951                 if ( ast->transfercapability == INFO_CAPABILITY_DIGITAL_UNRESTRICTED) {
1952                         chan_misdn_log(2, port, " --> * Call with flag Digital\n");
1953                 }
1954
1955
1956                 /* update screening and presentation */
1957                 update_config(ch,ORG_AST);
1958
1959                 /* fill in some ies from channel vary*/
1960                 import_ch(ast, newbc, ch);
1961
1962                 /* Finally The Options Override Everything */
1963                 if (opts)
1964                         misdn_set_opt_exec(ast,opts);
1965                 else
1966                         chan_misdn_log(2,port,"NO OPTS GIVEN\n");
1967
1968                 /*check for bridging*/
1969                 int bridging;
1970                 misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
1971                 if (bridging && ch->other_ch) {
1972                         chan_misdn_log(0, port, "Disabling EC on both Sides\n");
1973                         ch->bc->ec_enable=0;
1974                         ch->other_ch->bc->ec_enable=0;
1975                 }
1976
1977                 r=misdn_lib_send_event( newbc, EVENT_SETUP );
1978
1979                 /** we should have l3id after sending setup **/
1980                 ch->l3id=newbc->l3_id;
1981         }
1982
1983         if ( r == -ENOCHAN  ) {
1984                 chan_misdn_log(0, port, " --> * Theres no Channel at the moment .. !\n");
1985                 chan_misdn_log(1, port, " --> * SEND: State Down pid:%d\n",newbc?newbc->pid:-1);
1986                 ast->hangupcause=34;
1987                 ast_setstate(ast, AST_STATE_DOWN);
1988                 return -1;
1989         }
1990
1991         chan_misdn_log(2, port, " --> * SEND: State Dialing pid:%d\n",newbc?newbc->pid:1);
1992
1993         ast_setstate(ast, AST_STATE_DIALING);
1994         ast->hangupcause=16;
1995
1996         if (newbc->nt) stop_bc_tones(ch);
1997
1998         ch->state=MISDN_CALLING;
1999
2000         return 0;
2001 }
2002
2003
2004 static int misdn_answer(struct ast_channel *ast)
2005 {
2006         struct chan_list *p;
2007
2008
2009         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast)) ) return -1;
2010
2011         chan_misdn_log(1, p? (p->bc? p->bc->port : 0) : 0, "* ANSWER:\n");
2012
2013         if (!p) {
2014                 ast_log(LOG_WARNING, " --> Channel not connected ??\n");
2015                 ast_queue_hangup(ast);
2016         }
2017
2018         if (!p->bc) {
2019                 chan_misdn_log(1, 0, " --> Got Answer, but theres no bc obj ??\n");
2020
2021                 ast_queue_hangup(ast);
2022         }
2023
2024         {
2025                 const char *tmp_key = pbx_builtin_getvar_helper(p->ast, "CRYPT_KEY");
2026
2027                 if (tmp_key ) {
2028                         chan_misdn_log(1, p->bc->port, " --> Connection will be BF crypted\n");
2029                         {
2030                                 int l = sizeof(p->bc->crypt_key);
2031                                 strncpy(p->bc->crypt_key,tmp_key, l);
2032                                 p->bc->crypt_key[l-1] = 0;
2033                         }
2034                 } else {
2035                         chan_misdn_log(3, p->bc->port, " --> Connection is without BF encryption\n");
2036                 }
2037
2038         }
2039
2040         {
2041                 const char *nodsp=pbx_builtin_getvar_helper(ast, "MISDN_DIGITAL_TRANS");
2042                 if (nodsp) {
2043                         chan_misdn_log(1, p->bc->port, " --> Connection is transparent digital\n");
2044                         p->bc->nodsp=1;
2045                         p->bc->hdlc=0;
2046                         p->bc->nojitter=1;
2047                 }
2048         }
2049
2050         p->state = MISDN_CONNECTED;
2051         stop_indicate(p);
2052
2053         if ( ast_strlen_zero(p->bc->cad) ) {
2054                 chan_misdn_log(2,p->bc->port," --> empty cad using dad\n");
2055                 ast_copy_string(p->bc->cad,p->bc->dad,sizeof(p->bc->cad));
2056         }
2057
2058         misdn_lib_send_event( p->bc, EVENT_CONNECT);
2059         start_bc_tones(p);
2060
2061         return 0;
2062 }
2063
2064 static int misdn_digit_begin(struct ast_channel *chan, char digit)
2065 {
2066         /* XXX Modify this callback to support Asterisk controlling the length of DTMF */
2067         return 0;
2068 }
2069
2070 static int misdn_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
2071 {
2072         struct chan_list *p;
2073
2074         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast))) return -1;
2075
2076         struct misdn_bchannel *bc=p->bc;
2077         chan_misdn_log(1, bc?bc->port:0, "* IND : Digit %c\n",digit);
2078
2079         if (!bc) {
2080                 ast_log(LOG_WARNING, " --> !! Got Digit Event withut having bchannel Object\n");
2081                 return -1;
2082         }
2083
2084         switch (p->state ) {
2085                 case MISDN_CALLING:
2086                 {
2087
2088                         char buf[8];
2089                         buf[0]=digit;
2090                         buf[1]=0;
2091
2092                         int l = sizeof(bc->infos_pending);
2093                         strncat(bc->infos_pending,buf,l);
2094                         bc->infos_pending[l-1] = 0;
2095                 }
2096                 break;
2097                 case MISDN_CALLING_ACKNOWLEDGE:
2098                 {
2099                         bc->info_dad[0]=digit;
2100                         bc->info_dad[1]=0;
2101
2102                         {
2103                                 int l = sizeof(bc->dad);
2104                                 strncat(bc->dad,bc->info_dad, l - strlen(bc->dad));
2105                                 bc->dad[l-1] = 0;
2106                 }
2107                         {
2108                                 int l = sizeof(p->ast->exten);
2109                                 strncpy(p->ast->exten, bc->dad, l);
2110                                 p->ast->exten[l-1] = 0;
2111                         }
2112
2113                         misdn_lib_send_event( bc, EVENT_INFORMATION);
2114                 }
2115                 break;
2116
2117                 default:
2118                         if ( bc->send_dtmf ) {
2119                                 send_digit_to_chan(p,digit);
2120                         }
2121                 break;
2122         }
2123
2124         return 0;
2125 }
2126
2127
2128 static int misdn_fixup(struct ast_channel *oldast, struct ast_channel *ast)
2129 {
2130         struct chan_list *p;
2131
2132         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast) )) return -1;
2133
2134         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);
2135
2136         p->ast = ast ;
2137
2138         return 0;
2139 }
2140
2141
2142
2143 static int misdn_indication(struct ast_channel *ast, int cond, const void *data, size_t datalen)
2144 {
2145         struct chan_list *p;
2146
2147
2148         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast))) {
2149                 ast_log(LOG_WARNING, "Returnded -1 in misdn_indication\n");
2150                 return -1;
2151         }
2152
2153         if (!p->bc ) {
2154                 chan_misdn_log(1, 0, "* IND : Indication from %s\n",ast->exten);
2155                 ast_log(LOG_WARNING, "Private Pointer but no bc ?\n");
2156                 return -1;
2157         }
2158
2159         chan_misdn_log(5, p->bc->port, "* IND : Indication [%d] from %s\n",cond, ast->exten);
2160
2161         switch (cond) {
2162         case AST_CONTROL_BUSY:
2163                 chan_misdn_log(1, p->bc->port, "* IND :\tbusy pid:%d\n",p->bc?p->bc->pid:-1);
2164                 ast_setstate(ast,AST_STATE_BUSY);
2165
2166                 p->bc->out_cause=17;
2167                 if (p->state != MISDN_CONNECTED) {
2168                         start_bc_tones(p);
2169                         misdn_lib_send_event( p->bc, EVENT_DISCONNECT);
2170                 } else {
2171                         chan_misdn_log(-1, p->bc->port, " --> !! Got Busy in Connected State !?! ast:%s\n", ast->name);
2172                 }
2173                 return -1;
2174                 break;
2175         case AST_CONTROL_RING:
2176                 chan_misdn_log(1, p->bc->port, "* IND :\tring pid:%d\n",p->bc?p->bc->pid:-1);
2177                 return -1;
2178                 break;
2179
2180         case AST_CONTROL_RINGING:
2181                 chan_misdn_log(1, p->bc->port, "* IND :\tringing pid:%d\n",p->bc?p->bc->pid:-1);
2182                 switch (p->state) {
2183                         case MISDN_ALERTING:
2184                                 chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d but I was Ringing before, so ignoreing it\n",p->bc?p->bc->pid:-1);
2185                                 break;
2186                         case MISDN_CONNECTED:
2187                                 chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d but Connected, so just send TONE_ALERTING without state changes \n",p->bc?p->bc->pid:-1);
2188                                 return -1;
2189                                 break;
2190                         default:
2191                                 p->state=MISDN_ALERTING;
2192                                 chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d\n",p->bc?p->bc->pid:-1);
2193                                 misdn_lib_send_event( p->bc, EVENT_ALERTING);
2194
2195                                 if (p->other_ch && p->other_ch->bc) {
2196                                         if (misdn_inband_avail(p->other_ch->bc)) {
2197                                                 chan_misdn_log(2,p->bc->port, " --> other End is mISDN and has inband info available\n");
2198                                                 break;
2199                                         }
2200
2201                                         if (!p->other_ch->bc->nt) {
2202                                                 chan_misdn_log(2,p->bc->port, " --> other End is mISDN TE so it has inband info for sure (?)\n");
2203                                                 break;
2204                                         }
2205                                 }
2206
2207                                 chan_misdn_log(3, p->bc->port, " --> * SEND: State Ring pid:%d\n",p->bc?p->bc->pid:-1);
2208                                 ast_setstate(ast,AST_STATE_RINGING);
2209
2210                                 if ( !p->bc->nt && (p->orginator==ORG_MISDN) && !p->incoming_early_audio )
2211                                         chan_misdn_log(2,p->bc->port, " --> incoming_early_audio off\n");
2212                                 else
2213                                         return -1;
2214                 }
2215                 break;
2216         case AST_CONTROL_ANSWER:
2217                 chan_misdn_log(1, p->bc->port, " --> * IND :\tanswer pid:%d\n",p->bc?p->bc->pid:-1);
2218                 start_bc_tones(p);
2219                 break;
2220         case AST_CONTROL_TAKEOFFHOOK:
2221                 chan_misdn_log(1, p->bc->port, " --> *\ttakeoffhook pid:%d\n",p->bc?p->bc->pid:-1);
2222                 return -1;
2223                 break;
2224         case AST_CONTROL_OFFHOOK:
2225                 chan_misdn_log(1, p->bc->port, " --> *\toffhook pid:%d\n",p->bc?p->bc->pid:-1);
2226                 return -1;
2227                 break;
2228         case AST_CONTROL_FLASH:
2229                 chan_misdn_log(1, p->bc->port, " --> *\tflash pid:%d\n",p->bc?p->bc->pid:-1);
2230                 break;
2231         case AST_CONTROL_PROGRESS:
2232                 chan_misdn_log(1, p->bc->port, " --> * IND :\tprogress pid:%d\n",p->bc?p->bc->pid:-1);
2233                 misdn_lib_send_event( p->bc, EVENT_PROGRESS);
2234                 break;
2235         case AST_CONTROL_PROCEEDING:
2236                 chan_misdn_log(1, p->bc->port, " --> * IND :\tproceeding pid:%d\n",p->bc?p->bc->pid:-1);
2237                 misdn_lib_send_event( p->bc, EVENT_PROCEEDING);
2238                 break;
2239         case AST_CONTROL_CONGESTION:
2240                 chan_misdn_log(1, p->bc->port, " --> * IND :\tcongestion pid:%d\n",p->bc?p->bc->pid:-1);
2241
2242                 p->bc->out_cause=42;
2243                 if (p->state != MISDN_CONNECTED) {
2244                         start_bc_tones(p);
2245                         misdn_lib_send_event( p->bc, EVENT_RELEASE);
2246                 } else {
2247                         misdn_lib_send_event( p->bc, EVENT_DISCONNECT);
2248                 }
2249
2250                 if (p->bc->nt) {
2251                         hanguptone_indicate(p);
2252                 }
2253                 break;
2254         case -1 :
2255                 chan_misdn_log(1, p->bc->port, " --> * IND :\t-1! (stop indication) pid:%d\n",p->bc?p->bc->pid:-1);
2256
2257                 stop_indicate(p);
2258
2259                 if (p->state == MISDN_CONNECTED)
2260                         start_bc_tones(p);
2261
2262                 break;
2263
2264         case AST_CONTROL_HOLD:
2265                 chan_misdn_log(1, p->bc->port, " --> *\tHOLD pid:%d\n",p->bc?p->bc->pid:-1);
2266                 break;
2267         case AST_CONTROL_UNHOLD:
2268                 chan_misdn_log(1, p->bc->port, " --> *\tUNHOLD pid:%d\n",p->bc?p->bc->pid:-1);
2269                 break;
2270         default:
2271                 chan_misdn_log(1, p->bc->port, " --> * Unknown Indication:%d pid:%d\n",cond,p->bc?p->bc->pid:-1);
2272         }
2273
2274         return 0;
2275 }
2276
2277 static int misdn_hangup(struct ast_channel *ast)
2278 {
2279         struct chan_list *p;
2280         struct misdn_bchannel *bc=NULL;
2281
2282         if (option_debug)
2283                 ast_log(LOG_DEBUG, "misdn_hangup(%s)\n", ast->name);
2284
2285         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast) ) ) return -1;
2286
2287         if (!p) {
2288                 chan_misdn_log(3, 0, "misdn_hangup called, without chan_list obj.\n");
2289                 return 0 ;
2290         }
2291
2292         bc=p->bc;
2293
2294
2295
2296         MISDN_ASTERISK_TECH_PVT(ast)=NULL;
2297         p->ast=NULL;
2298
2299         bc=p->bc;
2300
2301         if (ast->_state == AST_STATE_RESERVED ||
2302                 p->state == MISDN_NOTHING ||
2303                 p->state == MISDN_HOLDED ||
2304                 p->state == MISDN_HOLD_DISCONNECT ) {
2305
2306                 CLEAN_CH:
2307                 /* between request and call */
2308                 if (option_debug)
2309                         ast_log(LOG_DEBUG, "State Reserved (or nothing) => chanIsAvail\n");
2310                 MISDN_ASTERISK_TECH_PVT(ast)=NULL;
2311
2312                 cl_dequeue_chan(&cl_te, p);
2313                 close(p->pipe[0]);
2314                 close(p->pipe[1]);
2315                 free(p);
2316
2317                 if (bc)
2318                         misdn_lib_release(bc);
2319
2320                 return 0;
2321         }
2322
2323         if (!bc) {
2324                 ast_log(LOG_WARNING,"Hangup with private but no bc ? state:%s l3id:%x\n", misdn_get_ch_state(p), p->l3id);
2325                 goto CLEAN_CH;
2326         }
2327
2328
2329         p->need_hangup=0;
2330         p->need_queue_hangup=0;
2331         p->need_busy=0;
2332
2333
2334         if (!p->bc->nt)
2335                 stop_bc_tones(p);
2336
2337
2338         {
2339                 const char *varcause=NULL;
2340                 bc->out_cause=ast->hangupcause?ast->hangupcause:16;
2341
2342                 if ( (varcause=pbx_builtin_getvar_helper(ast, "HANGUPCAUSE")) ||
2343                      (varcause=pbx_builtin_getvar_helper(ast, "PRI_CAUSE"))) {
2344                         int tmpcause=atoi(varcause);
2345                         bc->out_cause=tmpcause?tmpcause:16;
2346                 }
2347
2348                 chan_misdn_log(1, bc->port, "* IND : HANGUP\tpid:%d ctx:%s dad:%s oad:%s State:%s\n",p->bc?p->bc->pid:-1, ast->context, ast->exten, AST_CID_P(ast), misdn_get_ch_state(p));
2349                 chan_misdn_log(3, bc->port, " --> l3id:%x\n",p->l3id);
2350                 chan_misdn_log(3, bc->port, " --> cause:%d\n",bc->cause);
2351                 chan_misdn_log(2, bc->port, " --> out_cause:%d\n",bc->out_cause);
2352                 chan_misdn_log(2, bc->port, " --> state:%s\n", misdn_get_ch_state(p));
2353
2354                 switch (p->state) {
2355                 case MISDN_CALLING:
2356                         p->state=MISDN_CLEANING;
2357                         misdn_lib_send_event( bc, EVENT_RELEASE_COMPLETE);
2358                         break;
2359                 case MISDN_HOLDED:
2360                 case MISDN_DIALING:
2361                         start_bc_tones(p);
2362                         hanguptone_indicate(p);
2363
2364                         if (bc->need_disconnect)
2365                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2366                         break;
2367
2368                 case MISDN_CALLING_ACKNOWLEDGE:
2369                         start_bc_tones(p);
2370                         hanguptone_indicate(p);
2371
2372                         if (bc->need_disconnect)
2373                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2374                         break;
2375
2376                 case MISDN_ALERTING:
2377                 case MISDN_PROGRESS:
2378                 case MISDN_PROCEEDING:
2379                         if (p->orginator != ORG_AST)
2380                                 hanguptone_indicate(p);
2381
2382                         /*p->state=MISDN_CLEANING;*/
2383                         if (bc->need_disconnect)
2384                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2385                         break;
2386                 case MISDN_CONNECTED:
2387                 case MISDN_PRECONNECTED:
2388                         /*  Alerting or Disconect */
2389                         if (p->bc->nt) {
2390                                 start_bc_tones(p);
2391                                 hanguptone_indicate(p);
2392                                 p->bc->progress_indicator=8;
2393                         }
2394                         if (bc->need_disconnect)
2395                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2396
2397                         /*p->state=MISDN_CLEANING;*/
2398                         break;
2399                 case MISDN_DISCONNECTED:
2400                         misdn_lib_send_event( bc, EVENT_RELEASE);
2401                         p->state=MISDN_CLEANING; /* MISDN_HUNGUP_FROM_AST; */
2402                         break;
2403
2404                 case MISDN_RELEASED:
2405                 case MISDN_CLEANING:
2406                         p->state=MISDN_CLEANING;
2407                         break;
2408
2409                 case MISDN_BUSY:
2410                         break;
2411
2412                 case MISDN_HOLD_DISCONNECT:
2413                         /* need to send release here */
2414                         chan_misdn_log(1, bc->port, " --> cause %d\n",bc->cause);
2415                         chan_misdn_log(1, bc->port, " --> out_cause %d\n",bc->out_cause);
2416
2417                         bc->out_cause=-1;
2418                         misdn_lib_send_event(bc,EVENT_RELEASE);
2419                         p->state=MISDN_CLEANING;
2420                         break;
2421                 default:
2422                         if (bc->nt) {
2423                                 bc->out_cause=-1;
2424                                 misdn_lib_send_event(bc, EVENT_RELEASE);
2425                                 p->state=MISDN_CLEANING;
2426                         } else {
2427                                 if (bc->need_disconnect)
2428                                         misdn_lib_send_event(bc, EVENT_DISCONNECT);
2429                         }
2430                 }
2431
2432                 p->state=MISDN_CLEANING;
2433
2434         }
2435
2436
2437         chan_misdn_log(3, bc->port, " --> Channel: %s hanguped new state:%s\n",ast->name,misdn_get_ch_state(p));
2438
2439         return 0;
2440 }
2441
2442
2443 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame)
2444 {
2445         struct ast_frame *f,*f2;
2446
2447         if (tmp->trans) {
2448                 f2 = ast_translate(tmp->trans, frame, 0);
2449                 f = ast_dsp_process(tmp->ast, tmp->dsp, f2);
2450         } else {
2451                 chan_misdn_log(0, tmp->bc->port, "No T-Path found\n");
2452                 return NULL;
2453         }
2454
2455
2456         if (!f || (f->frametype != AST_FRAME_DTMF))
2457                 return frame;
2458
2459         if (option_debug)
2460                 ast_log(LOG_DEBUG, "Detected inband DTMF digit: %c\n", f->subclass);
2461
2462         if (tmp->faxdetect && (f->subclass == 'f')) {
2463                 /* Fax tone -- Handle and return NULL */
2464                 if (!tmp->faxhandled) {
2465                         struct ast_channel *ast = tmp->ast;
2466                         tmp->faxhandled++;
2467                         chan_misdn_log(0, tmp->bc->port, "Fax detected, preparing %s for fax transfer.\n", ast->name);
2468                         tmp->bc->rxgain = 0;
2469                         isdn_lib_update_rxgain(tmp->bc);
2470                         tmp->bc->txgain = 0;
2471                         isdn_lib_update_txgain(tmp->bc);
2472                         tmp->bc->ec_enable = 0;
2473                         isdn_lib_update_ec(tmp->bc);
2474                         isdn_lib_stop_dtmf(tmp->bc);
2475                         switch (tmp->faxdetect) {
2476                         case 1:
2477                                 if (strcmp(ast->exten, "fax")) {
2478                                         char *context;
2479                                         char context_tmp[BUFFERSIZE];
2480                                         misdn_cfg_get(tmp->bc->port, MISDN_CFG_FAXDETECT_CONTEXT, &context_tmp, sizeof(context_tmp));
2481                                         context = ast_strlen_zero(context_tmp) ? (ast_strlen_zero(ast->macrocontext) ? ast->context : ast->macrocontext) : context_tmp;
2482                                         if (ast_exists_extension(ast, context, "fax", 1, AST_CID_P(ast))) {
2483                                                 if (option_verbose > 2)
2484                                                         ast_verbose(VERBOSE_PREFIX_3 "Redirecting %s to fax extension (context:%s)\n", ast->name, context);
2485                                                 /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */
2486                                                 pbx_builtin_setvar_helper(ast,"FAXEXTEN",ast->exten);
2487                                                 if (ast_async_goto(ast, context, "fax", 1))
2488                                                         ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", ast->name, context);
2489                                         } else
2490                                                 ast_log(LOG_NOTICE, "Fax detected, but no fax extension ctx:%s exten:%s\n", context, ast->exten);
2491                                 } else {
2492                                         if (option_debug)
2493                                                 ast_log(LOG_DEBUG, "Already in a fax extension, not redirecting\n");
2494                                 }
2495                                 break;
2496                         case 2:
2497                                 ast_verbose(VERBOSE_PREFIX_3 "Not redirecting %s to fax extension, nojump is set.\n", ast->name);
2498                                 break;
2499                         }
2500                 } else {
2501                         if (option_debug)
2502                                 ast_log(LOG_DEBUG, "Fax already handled\n");
2503                 }
2504         }
2505
2506         if (tmp->ast_dsp && (f->subclass != 'f')) {
2507                 chan_misdn_log(2, tmp->bc->port, " --> * SEND: DTMF (AST_DSP) :%c\n", f->subclass);
2508         }
2509
2510         return frame;
2511 }
2512
2513
2514 static struct ast_frame  *misdn_read(struct ast_channel *ast)
2515 {
2516         struct chan_list *tmp;
2517         int len;
2518
2519         if (!ast) {
2520                 chan_misdn_log(1,0,"misdn_read called without ast\n");
2521                 return NULL;
2522         }
2523         if (!(tmp=MISDN_ASTERISK_TECH_PVT(ast))) {
2524                 chan_misdn_log(1,0,"misdn_read called without ast->pvt\n");
2525                 return NULL;
2526         }
2527         if (!tmp->bc) {
2528                 chan_misdn_log(1,0,"misdn_read called without bc\n");
2529                 return NULL;
2530         }
2531
2532         len=read(tmp->pipe[0],tmp->ast_rd_buf,sizeof(tmp->ast_rd_buf));
2533
2534         if (len<=0) {
2535                 /* we hangup here, since our pipe is closed */
2536                 chan_misdn_log(2,tmp->bc->port,"misdn_read: Pipe closed, hanging up\n");
2537                 return NULL;
2538         }
2539
2540         tmp->frame.frametype  = AST_FRAME_VOICE;
2541         tmp->frame.subclass = AST_FORMAT_ALAW;
2542         tmp->frame.datalen = len;
2543         tmp->frame.samples = len;
2544         tmp->frame.mallocd = 0;
2545         tmp->frame.offset = 0;
2546         tmp->frame.delivery= ast_tv(0,0) ;
2547         tmp->frame.src = NULL;
2548         tmp->frame.data = tmp->ast_rd_buf;
2549
2550         if (tmp->faxdetect && !tmp->faxhandled) {
2551                 if (tmp->faxdetect_timeout) {
2552                         if (ast_tvzero(tmp->faxdetect_tv)) {
2553                                 tmp->faxdetect_tv = ast_tvnow();
2554                                 chan_misdn_log(2,tmp->bc->port,"faxdetect: starting detection with timeout: %ds ...\n", tmp->faxdetect_timeout);
2555                                 return process_ast_dsp(tmp, &tmp->frame);
2556                         } else {
2557                                 struct timeval tv_now = ast_tvnow();
2558                                 int diff = ast_tvdiff_ms(tv_now, tmp->faxdetect_tv);
2559                                 if (diff <= (tmp->faxdetect_timeout * 1000)) {
2560                                         chan_misdn_log(5,tmp->bc->port,"faxdetect: detecting ...\n");
2561                                         return process_ast_dsp(tmp, &tmp->frame);
2562                                 } else {
2563                                         chan_misdn_log(2,tmp->bc->port,"faxdetect: stopping detection (time ran out) ...\n");
2564                                         tmp->faxdetect = 0;
2565                                         return &tmp->frame;
2566                                 }
2567                         }
2568                 } else {
2569                         chan_misdn_log(5,tmp->bc->port,"faxdetect: detecting ... (no timeout)\n");
2570                         return process_ast_dsp(tmp, &tmp->frame);
2571                 }
2572         } else {
2573                 if (tmp->ast_dsp)
2574                         return process_ast_dsp(tmp, &tmp->frame);
2575                 else
2576                         return &tmp->frame;
2577         }
2578 }
2579
2580
2581 static int misdn_write(struct ast_channel *ast, struct ast_frame *frame)
2582 {
2583         struct chan_list *ch;
2584         int i  = 0;
2585
2586         if (!ast || ! (ch=MISDN_ASTERISK_TECH_PVT(ast)) ) return -1;
2587
2588         if (ch->state == MISDN_HOLDED) {
2589                 chan_misdn_log(7, 0, "misdn_write: Returning because holded\n");
2590                 return 0;
2591         }
2592
2593         if (!ch->bc ) {
2594                 ast_log(LOG_WARNING, "private but no bc\n");
2595                 return -1;
2596         }
2597
2598         if (ch->notxtone) {
2599                 chan_misdn_log(7, ch->bc->port, "misdn_write: Returning because notxone\n");
2600                 return 0;
2601         }
2602
2603
2604         if ( !frame->subclass) {
2605                 chan_misdn_log(4, ch->bc->port, "misdn_write: * prods us\n");
2606                 return 0;
2607         }
2608
2609         if ( !(frame->subclass & prefformat)) {
2610
2611                 chan_misdn_log(-1, ch->bc->port, "Got Unsupported Frame with Format:%d\n", frame->subclass);
2612                 return 0;
2613         }
2614
2615
2616         if ( !frame->samples ) {
2617                 chan_misdn_log(4, ch->bc->port, "misdn_write: zero write\n");
2618                 return 0;
2619         }
2620
2621         if ( ! ch->bc->addr ) {
2622                 chan_misdn_log(8, ch->bc->port, "misdn_write: no addr for bc dropping:%d\n", frame->samples);
2623                 return 0;
2624         }
2625
2626 #if MISDN_DEBUG
2627         {
2628                 int i, max=5>frame->samples?frame->samples:5;
2629
2630                 printf("write2mISDN %p %d bytes: ", p, frame->samples);
2631
2632                 for (i=0; i<  max ; i++) printf("%2.2x ",((char*) frame->data)[i]);
2633                 printf ("\n");
2634         }
2635 #endif
2636
2637
2638         switch (ch->bc->bc_state) {
2639                 case BCHAN_ACTIVATED:
2640                 case BCHAN_BRIDGED:
2641                         break;
2642                 default:
2643                 if (!ch->dropped_frame_cnt)
2644                         chan_misdn_log(5, ch->bc->port, "BC not active (nor bridged) droping: %d frames addr:%x exten:%s cid:%s ch->state:%s bc_state:%d l3id:%x\n",frame->samples,ch->bc->addr, ast->exten, ast->cid.cid_num,misdn_get_ch_state( ch), ch->bc->bc_state, ch->bc->l3_id);
2645
2646                 ch->dropped_frame_cnt++;
2647                 if (ch->dropped_frame_cnt > 100) {
2648                         ch->dropped_frame_cnt=0;
2649                         chan_misdn_log(5, ch->bc->port, "BC not active (nor bridged) droping: %d frames addr:%x  dropped > 100 frames!\n",frame->samples,ch->bc->addr);
2650
2651                 }
2652
2653                 return 0;
2654         }
2655
2656         chan_misdn_log(9, ch->bc->port, "Sending :%d bytes 2 MISDN\n",frame->samples);
2657         if ( !ch->bc->nojitter && misdn_cap_is_speech(ch->bc->capability) ) {
2658                 /* Buffered Transmit (triggert by read from isdn side)*/
2659                 if (misdn_jb_fill(ch->jb,frame->data,frame->samples) < 0) {
2660                         if (ch->bc->active)
2661                                 cb_log(0,ch->bc->port,"Misdn Jitterbuffer Overflow.\n");
2662                 }
2663
2664         } else {
2665                 /*transmit without jitterbuffer*/
2666                 i=misdn_lib_tx2misdn_frm(ch->bc, frame->data, frame->samples);
2667         }
2668
2669
2670
2671         return 0;
2672 }
2673
2674
2675
2676
2677 static enum ast_bridge_result  misdn_bridge (struct ast_channel *c0,
2678                                       struct ast_channel *c1, int flags,
2679                                       struct ast_frame **fo,
2680                                       struct ast_channel **rc,
2681                                       int timeoutms)
2682
2683 {
2684         struct chan_list *ch1,*ch2;
2685         struct ast_channel *carr[2], *who;
2686         int to=-1;
2687         struct ast_frame *f;
2688
2689         ch1=get_chan_by_ast(c0);
2690         ch2=get_chan_by_ast(c1);
2691
2692         carr[0]=c0;
2693         carr[1]=c1;
2694
2695         if (ch1 && ch2 ) ;
2696         else
2697                 return -1;
2698
2699         int bridging;
2700         misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
2701         if (bridging) {
2702                 /* trying to make a mISDN_dsp conference */
2703                 chan_misdn_log(1, ch1->bc->port, "I SEND: Making conference with Number:%d\n", ch1->bc->pid +1);
2704                 misdn_lib_bridge(ch1->bc,ch2->bc);
2705         }
2706
2707         if (option_verbose > 2)
2708                 ast_verbose(VERBOSE_PREFIX_3 "Native bridging %s and %s\n", c0->name, c1->name);
2709
2710         chan_misdn_log(1, ch1->bc->port, "* Making Native Bridge between %s and %s\n", ch1->bc->oad, ch2->bc->oad);
2711
2712         if (! (flags&AST_BRIDGE_DTMF_CHANNEL_0) )
2713                 ch1->ignore_dtmf=1;
2714
2715         if (! (flags&AST_BRIDGE_DTMF_CHANNEL_1) )
2716                 ch2->ignore_dtmf=1;
2717
2718         while(1) {
2719                 to=-1;
2720                 who = ast_waitfor_n(carr, 2, &to);
2721
2722                 if (!who) {
2723                         ast_log(LOG_NOTICE,"misdn_bridge: empty read, breaking out\n");
2724                         break;
2725                 }
2726                 f = ast_read(who);
2727
2728                 if (!f || f->frametype == AST_FRAME_CONTROL) {
2729                         /* got hangup .. */
2730
2731                         if (!f)
2732                                 chan_misdn_log(4,ch1->bc->port,"Read Null Frame\n");
2733                         else
2734                                 chan_misdn_log(4,ch1->bc->port,"Read Frame Controll class:%d\n",f->subclass);
2735
2736                         *fo=f;
2737                         *rc=who;
2738
2739                         break;
2740                 }
2741
2742                 if ( f->frametype == AST_FRAME_DTMF ) {
2743                         chan_misdn_log(1,0,"Read DTMF %d from %s\n",f->subclass, who->exten);
2744
2745                         *fo=f;
2746                         *rc=who;
2747                         break;
2748                 }
2749
2750 #if 0
2751                 if (f->frametype == AST_FRAME_VOICE) {
2752                         chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid +1);
2753
2754                         continue;
2755                 }
2756 #endif
2757
2758                 if (who == c0) {
2759                         ast_write(c1,f);
2760                 }
2761                 else {
2762                         ast_write(c0,f);
2763                 }
2764
2765         }
2766
2767         chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid +1);
2768
2769         misdn_lib_split_bridge(ch1->bc,ch2->bc);
2770
2771
2772         return AST_BRIDGE_COMPLETE;
2773 }
2774
2775 /** AST INDICATIONS END **/
2776
2777 static int dialtone_indicate(struct chan_list *cl)
2778 {
2779         const struct ind_tone_zone_sound *ts= NULL;
2780         struct ast_channel *ast=cl->ast;
2781
2782         if (!ast) {
2783                 chan_misdn_log(0,cl->bc->port,"No Ast in dialtone_indicate\n");
2784                 return -1;
2785         }
2786
2787         int nd=0;
2788         misdn_cfg_get( cl->bc->port, MISDN_CFG_NODIALTONE, &nd, sizeof(nd));
2789
2790         if (nd) {
2791                 chan_misdn_log(1,cl->bc->port,"Not sending Dialtone, because config wants it\n");
2792                 return 0;
2793         }
2794
2795         chan_misdn_log(3,cl->bc->port," --> Dial\n");
2796         ts=ast_get_indication_tone(ast->zone,"dial");
2797         cl->ts=ts;
2798
2799         if (ts) {
2800                 cl->notxtone=0;
2801                 cl->norxtone=0;
2802                 ast_playtones_start(ast,0, ts->data, 0);
2803                 chan_misdn_log(4,cl->bc->port,"Starting Playtones\n");
2804                 misdn_lib_tone_generator_start(cl->bc);
2805         }
2806
2807         return 0;
2808 }
2809
2810 static int hanguptone_indicate(struct chan_list *cl)
2811 {
2812         misdn_lib_send_tone(cl->bc,TONE_HANGUP);
2813         return 0;
2814 }
2815
2816 static int stop_indicate(struct chan_list *cl)
2817 {
2818         struct ast_channel *ast=cl->ast;
2819
2820         if (!ast) {
2821                 chan_misdn_log(0,cl->bc->port,"No Ast in stop_indicate\n");
2822                 return -1;
2823         }
2824
2825         chan_misdn_log(3,cl->bc->port," --> None\n");
2826         misdn_lib_tone_generator_stop(cl->bc);
2827         ast_playtones_stop(ast);
2828         /*ast_deactivate_generator(ast);*/
2829
2830         return 0;
2831 }
2832
2833
2834 static int start_bc_tones(struct chan_list* cl)
2835 {
2836         misdn_lib_tone_generator_stop(cl->bc);
2837         cl->notxtone=0;
2838         cl->norxtone=0;
2839         return 0;
2840 }
2841
2842 static int stop_bc_tones(struct chan_list *cl)
2843 {
2844         if (!cl) return -1;
2845
2846         cl->notxtone=1;
2847         cl->norxtone=1;
2848
2849         return 0;
2850 }
2851
2852
2853 static struct chan_list *init_chan_list(int orig)
2854 {
2855         struct chan_list *cl=malloc(sizeof(struct chan_list));
2856
2857         if (!cl) {
2858                 chan_misdn_log(-1, 0, "misdn_request: malloc failed!");
2859                 return NULL;
2860         }
2861
2862         memset(cl,0,sizeof(struct chan_list));
2863
2864         cl->orginator=orig;
2865         cl->need_queue_hangup=1;
2866         cl->need_hangup=1;
2867         cl->need_busy=1;
2868         cl->overlap_dial_task=-1;
2869
2870         return cl;
2871
2872 }
2873
2874 static struct ast_channel *misdn_request(const char *type, int format, void *data, int *cause)
2875
2876 {
2877         struct ast_channel *tmp = NULL;
2878         char group[BUFFERSIZE+1]="";
2879         char buf[128];
2880         char buf2[128], *ext=NULL, *port_str;
2881         char *tokb=NULL, *p=NULL;
2882         int channel=0, port=0;
2883         struct misdn_bchannel *newbc = NULL;
2884
2885         struct chan_list *cl=init_chan_list(ORG_AST);
2886
2887         sprintf(buf,"%s/%s",misdn_type,(char*)data);
2888         ast_copy_string(buf2,data, 128);
2889
2890         port_str=strtok_r(buf2,"/", &tokb);
2891
2892         ext=strtok_r(NULL,"/", &tokb);
2893
2894         if (port_str) {
2895                 if (port_str[0]=='g' && port_str[1]==':' ) {
2896                         /* We make a group call lets checkout which ports are in my group */
2897                         port_str += 2;
2898                         strncpy(group, port_str, BUFFERSIZE);
2899                         group[127] = 0;
2900                         chan_misdn_log(2, 0, " --> Group Call group: %s\n",group);
2901                 }
2902                 else if ((p = strchr(port_str, ':'))) {
2903                         /* we have a preselected channel */
2904                         *p = 0;
2905                         channel = atoi(++p);
2906                         port = atoi(port_str);
2907                         chan_misdn_log(2, port, " --> Call on preselected Channel (%d).\n", channel);
2908                 }
2909                 else {
2910                         port = atoi(port_str);
2911                 }
2912
2913
2914         } else {
2915                 ast_log(LOG_WARNING, " --> ! IND : CALL dad:%s WITHOUT PORT/Group, check extension.conf\n",ext);
2916                 return NULL;
2917         }
2918
2919         if (!ast_strlen_zero(group)) {
2920
2921                 char cfg_group[BUFFERSIZE+1];
2922                 struct robin_list *rr = NULL;
2923
2924                 if (misdn_cfg_is_group_method(group, METHOD_ROUND_ROBIN)) {
2925                         chan_misdn_log(4, port, " --> STARTING ROUND ROBIN...");
2926                         rr = get_robin_position(group);
2927                 }
2928
2929                 if (rr) {
2930                         int robin_channel = rr->channel;
2931                         int port_start;
2932                         int next_chan = 1;
2933
2934                         do {
2935                                 port_start = 0;
2936                                 for (port = misdn_cfg_get_next_port_spin(rr->port); port > 0 && port != port_start;
2937                                          port = misdn_cfg_get_next_port_spin(port)) {
2938
2939                                         if (!port_start)
2940                                                 port_start = port;
2941
2942                                         if (port >= port_start)
2943                                                 next_chan = 1;
2944
2945                                         if (port <= port_start && next_chan) {
2946                                                 int maxbchans=misdn_lib_get_maxchans(port);
2947                                                 if (++robin_channel >= maxbchans) {
2948                                                         robin_channel = 1;
2949                                                 }
2950                                                 next_chan = 0;
2951                                         }
2952
2953                                         misdn_cfg_get(port, MISDN_CFG_GROUPNAME, cfg_group, BUFFERSIZE);
2954
2955                                         if (!strcasecmp(cfg_group, group)) {
2956                                                 int port_up;
2957                                                 int check;
2958                                                 misdn_cfg_get(port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(int));
2959                                                 port_up = misdn_lib_port_up(port, check);
2960
2961                                                 if (check && !port_up)
2962                                                         chan_misdn_log(1,port,"L1 is not Up on this Port\n");
2963
2964                                                 if (check && port_up<0) {
2965                                                         ast_log(LOG_WARNING,"This port (%d) is blocked\n", port);
2966                                                 }
2967
2968
2969                                                 if ( port_up>0 )        {
2970                                                         newbc = misdn_lib_get_free_bc(port, robin_channel,0);
2971                                                         if (newbc) {
2972                                                                 chan_misdn_log(4, port, " Success! Found port:%d channel:%d\n", newbc->port, newbc->channel);
2973                                                                 if (port_up)
2974                                                                         chan_misdn_log(4, port, "portup:%d\n",  port_up);
2975                                                                 rr->port = newbc->port;
2976                                                                 rr->channel = newbc->channel;
2977                                                                 break;
2978                                                         }
2979                                                 }
2980                                         }
2981                                 }
2982                         } while (!newbc && robin_channel != rr->channel);
2983
2984                         if (!newbc)
2985                                 chan_misdn_log(-1, port, " Failed! No free channel in group %d!", group);
2986                 }
2987
2988                 else {
2989                         for (port=misdn_cfg_get_next_port(0); port > 0;
2990                                  port=misdn_cfg_get_next_port(port)) {
2991
2992                                 misdn_cfg_get( port, MISDN_CFG_GROUPNAME, cfg_group, BUFFERSIZE);
2993
2994                                 chan_misdn_log(3,port, "Group [%s] Port [%d]\n", group, port);
2995                                 if (!strcasecmp(cfg_group, group)) {
2996                                         int port_up;
2997                                         int check;
2998                                         misdn_cfg_get(port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(int));
2999                                         port_up = misdn_lib_port_up(port, check);
3000
3001                                         chan_misdn_log(4, port, "portup:%d\n", port_up);
3002
3003                                         if ( port_up>0 ) {
3004                                                 newbc = misdn_lib_get_free_bc(port, 0, 0);
3005                                                 if (newbc)
3006                                                         break;
3007                                         }
3008                                 }
3009                         }
3010                 }
3011
3012         } else {
3013                 if (channel)
3014                         chan_misdn_log(1, port," --> preselected_channel: %d\n",channel);
3015                 newbc = misdn_lib_get_free_bc(port, channel, 0);
3016         }
3017
3018         if (!newbc) {
3019                 chan_misdn_log(-1, 0, "Could not create channel on port:%d with extensions:%s\n",port,ext);
3020                 return NULL;
3021         }
3022
3023         /* create ast_channel and link all the objects together */
3024         cl->bc=newbc;
3025
3026         tmp = misdn_new(cl, AST_STATE_RESERVED, ext, NULL, format, port, channel);
3027         cl->ast=tmp;
3028
3029         /* register chan in local list */
3030         cl_queue_chan(&cl_te, cl) ;
3031
3032         /* fill in the config into the objects */
3033         read_config(cl, ORG_AST);
3034
3035         /* important */
3036         cl->need_hangup=0;
3037
3038         return tmp;
3039 }
3040
3041
3042 static int misdn_send_text (struct ast_channel *chan, const char *text)
3043 {
3044         struct chan_list *tmp=chan->tech_pvt;
3045
3046         if (tmp && tmp->bc) {
3047                 ast_copy_string(tmp->bc->display,text,sizeof(tmp->bc->display));
3048                 misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
3049         } else {
3050                 ast_log(LOG_WARNING, "No chan_list but send_text request?\n");
3051                 return -1;
3052         }
3053
3054         return 0;
3055 }
3056
3057 static struct ast_channel_tech misdn_tech = {
3058         .type="mISDN",
3059         .description="Channel driver for mISDN Support (Bri/Pri)",
3060         .capabilities= AST_FORMAT_ALAW ,
3061         .requester=misdn_request,
3062         .send_digit_begin=misdn_digit_begin,
3063         .send_digit_end=misdn_digit_end,
3064         .call=misdn_call,
3065         .bridge=misdn_bridge,
3066         .hangup=misdn_hangup,
3067         .answer=misdn_answer,
3068         .read=misdn_read,
3069         .write=misdn_write,
3070         .indicate=misdn_indication,
3071         .fixup=misdn_fixup,
3072         .send_text=misdn_send_text,
3073         .properties=0
3074 };
3075
3076 static struct ast_channel_tech misdn_tech_wo_bridge = {
3077         .type="mISDN",
3078         .description="Channel driver for mISDN Support (Bri/Pri)",
3079         .capabilities=AST_FORMAT_ALAW ,
3080         .requester=misdn_request,
3081         .send_digit_begin=misdn_digit_begin,
3082         .send_digit_end=misdn_digit_end,
3083         .call=misdn_call,
3084         .hangup=misdn_hangup,
3085         .answer=misdn_answer,
3086         .read=misdn_read,
3087         .write=misdn_write,
3088         .indicate=misdn_indication,
3089         .fixup=misdn_fixup,
3090         .send_text=misdn_send_text,
3091         .properties=0
3092 };
3093
3094
3095 static int glob_channel=0;
3096
3097 static void update_name(struct ast_channel *tmp, int port, int c)
3098 {
3099         int chan_offset=0;
3100         int tmp_port = misdn_cfg_get_next_port(0);
3101         for (; tmp_port > 0; tmp_port=misdn_cfg_get_next_port(tmp_port)) {
3102         if (tmp_port == port) break;
3103                 chan_offset+=misdn_lib_port_is_pri(tmp_port)?30:2;
3104         }
3105         if (c<0) c=0;
3106
3107         ast_string_field_build(tmp, name, "%s/%d-u%d",
3108                                  misdn_type, chan_offset+c, glob_channel++);
3109