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  *
  25  * \author Christian Richter <crich@beronet.com>
  26  *
  27  * \extref MISDN http://www.misdn.org/
  28  *
  29  * \ingroup channel_drivers
  30  */
  31
  32 /*** MODULEINFO
  33         <depend>isdnnet</depend>
  34         <depend>misdn</depend>
  35         <depend>suppserv</depend>
  36  ***/
  37 #include "asterisk.h"
  38
  39 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  40
  41 #include <stdio.h>
  42 #include <pthread.h>
  43 #include <string.h>
  44 #include <sys/socket.h>
  45 #include <sys/time.h>
  46 #include <errno.h>
  47 #include <unistd.h>
  48 #include <stdlib.h>
  49 #include <arpa/inet.h>
  50 #include <fcntl.h>
  51 #include <sys/ioctl.h>
  52 #include <signal.h>
  53 #include <sys/file.h>
  54 #include <semaphore.h>
  55
  56 #include "asterisk/channel.h"
  57 #include "asterisk/config.h"
  58 #include "asterisk/logger.h"
  59 #include "asterisk/module.h"
  60 #include "asterisk/pbx.h"
  61 #include "asterisk/options.h"
  62 #include "asterisk/io.h"
  63 #include "asterisk/frame.h"
  64 #include "asterisk/translate.h"
  65 #include "asterisk/cli.h"
  66 #include "asterisk/musiconhold.h"
  67 #include "asterisk/dsp.h"
  68 #include "asterisk/translate.h"
  69 #include "asterisk/config.h"
  70 #include "asterisk/file.h"
  71 #include "asterisk/callerid.h"
  72 #include "asterisk/indications.h"
  73 #include "asterisk/app.h"
  74 #include "asterisk/features.h"
  75 #include "asterisk/term.h"
  76 #include "asterisk/sched.h"
  77 #include "asterisk/stringfields.h"
  78
  79 #include "chan_misdn_config.h"
  80 #include "isdn_lib.h"
  81
  82 char global_tracefile[BUFFERSIZE+1];
  83
  84 static int g_config_initialized=0;
  85
  86 struct misdn_jb{
  87         int size;
  88         int upper_threshold;
  89         char *samples, *ok;
  90         int wp,rp;
  91         int state_empty;
  92         int state_full;
  93         int state_buffer;
  94         int bytes_wrote;
  95         ast_mutex_t mutexjb;
  96 };
  97
  98
  99
 100 /*! \brief allocates the jb-structure and initialise the elements*/
 101 struct misdn_jb *misdn_jb_init(int size, int upper_threshold);
 102
 103 /*! \brief frees the data and destroys the given jitterbuffer struct */
 104 void misdn_jb_destroy(struct misdn_jb *jb);
 105
 106 /*! \brief fills the jitterbuffer with len data returns < 0 if there was an
 107 error (bufferoverun). */
 108 int misdn_jb_fill(struct misdn_jb *jb, const char *data, int len);
 109
 110 /*! \brief gets len bytes out of the jitterbuffer if available, else only the
 111 available data is returned and the return value indicates the number
 112 of data. */
 113 int misdn_jb_empty(struct misdn_jb *jb, char *data, int len);
 114
 115
 116 enum misdn_chan_state {
 117         MISDN_NOTHING=0,        /*!< at beginning */
 118         MISDN_WAITING4DIGS, /*!<  when waiting for infos */
 119         MISDN_EXTCANTMATCH, /*!<  when asterisk couldnt match our ext */
 120         MISDN_INCOMING_SETUP, /*!<  for incoming setups*/
 121         MISDN_DIALING, /*!<  when pbx_start */
 122         MISDN_PROGRESS, /*!<  we got a progress */
 123         MISDN_PROCEEDING, /*!<  we got a progress */
 124         MISDN_CALLING, /*!<  when misdn_call is called */
 125         MISDN_CALLING_ACKNOWLEDGE, /*!<  when we get SETUP_ACK */
 126         MISDN_ALERTING, /*!<  when Alerting */
 127         MISDN_BUSY, /*!<  when BUSY */
 128         MISDN_CONNECTED, /*!<  when connected */
 129         MISDN_PRECONNECTED, /*!<  when connected */
 130         MISDN_DISCONNECTED, /*!<  when connected */
 131         MISDN_RELEASED, /*!<  when connected */
 132         MISDN_BRIDGED, /*!<  when bridged */
 133         MISDN_CLEANING, /*!< when hangup from * but we were connected before */
 134         MISDN_HUNGUP_FROM_MISDN, /*!< when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
 135         MISDN_HUNGUP_FROM_AST, /*!< when DISCONNECT/RELEASE/REL_COMP came out of */
 136         /* misdn_hangup */
 137         MISDN_HOLDED, /*!< if this chan is holded */
 138         MISDN_HOLD_DISCONNECT, /*!< if this chan is holded */
 139
 140 };
 141
 142 #define ORG_AST 1
 143 #define ORG_MISDN 2
 144
 145 struct hold_info {
 146         int port;
 147         int channel;
 148 };
 149
 150 struct chan_list {
 151
 152         char allowed_bearers[BUFFERSIZE+1];
 153
 154         enum misdn_chan_state state;
 155         int need_queue_hangup;
 156         int need_hangup;
 157         int need_busy;
 158
 159         int originator;
 160         int noautorespond_on_setup;
 161
 162         int norxtone;
 163         int notxtone;
 164
 165         int toggle_ec;
 166
 167         int incoming_early_audio;
 168
 169         int ignore_dtmf;
 170
 171         int pipe[2];
 172         char ast_rd_buf[4096];
 173         struct ast_frame frame;
 174
 175         int faxdetect; /*!<  0:no 1:yes 2:yes+nojump */
 176         int faxdetect_timeout;
 177         struct timeval faxdetect_tv;
 178         int faxhandled;
 179
 180         int ast_dsp;
 181
 182         int jb_len;
 183         int jb_upper_threshold;
 184         struct misdn_jb *jb;
 185
 186         struct ast_dsp *dsp;
 187         struct ast_trans_pvt *trans;
 188
 189         struct ast_channel * ast;
 190
 191         int dummy;
 192
 193         struct misdn_bchannel *bc;
 194
 195         struct hold_info hold_info;
 196
 197         unsigned int l3id;
 198         int addr;
 199
 200         char context[BUFFERSIZE];
 201
 202         int zero_read_cnt;
 203         int dropped_frame_cnt;
 204
 205         int far_alerting;
 206
 207         int nttimeout;
 208
 209         int other_pid;
 210         struct chan_list *other_ch;
 211
 212         const struct ind_tone_zone_sound *ts;
 213
 214         int overlap_dial;
 215         int overlap_dial_task;
 216         ast_mutex_t overlap_tv_lock;
 217         struct timeval overlap_tv;
 218
 219         struct chan_list *peer;
 220         struct chan_list *next;
 221         struct chan_list *prev;
 222         struct chan_list *first;
 223 };
 224
 225
 226
 227 void export_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
 228 void import_ch(struct ast_channel *chan, struct misdn_bchannel *bc, struct chan_list *ch);
 229
 230 struct robin_list {
 231         char *group;
 232         int port;
 233         int channel;
 234         struct robin_list *next;
 235         struct robin_list *prev;
 236 };
 237 static struct robin_list *robin = NULL;
 238
 239
 240
 241 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame);
 242
 243
 244
 245 static inline void free_robin_list_r (struct robin_list *r)
 246 {
 247         if (r) {
 248                 if (r->next) free_robin_list_r(r->next);
 249                 if (r->group) free(r->group);
 250                 free(r);
 251         }
 252 }
 253
 254 static void free_robin_list ( void )
 255 {
 256         free_robin_list_r(robin);
 257         robin = NULL;
 258 }
 259
 260 static struct robin_list* get_robin_position (char *group)
 261 {
 262         struct robin_list *iter = robin;
 263         for (; iter; iter = iter->next) {
 264                 if (!strcasecmp(iter->group, group))
 265                         return iter;
 266         }
 267         struct robin_list *new = (struct robin_list *)calloc(1, sizeof(struct robin_list));
 268         new->group = strndup(group, strlen(group));
 269         new->channel = 1;
 270         if (robin) {
 271                 new->next = robin;
 272                 robin->prev = new;
 273         }
 274         robin = new;
 275         return robin;
 276 }
 277
 278
 279 /*! \brief the main schedule context for stuff like l1 watcher, overlap dial, ... */
 280 static struct sched_context *misdn_tasks = NULL;
 281 static pthread_t misdn_tasks_thread;
 282
 283 static int *misdn_ports;
 284
 285 static void chan_misdn_log(int level, int port, char *tmpl, ...);
 286
 287 static struct ast_channel *misdn_new(struct chan_list *cl, int state,  char *exten, char *callerid, int format, int port, int c);
 288 static void send_digit_to_chan(struct chan_list *cl, char digit );
 289
 290 static void hangup_chan(struct chan_list *ch);
 291 static int pbx_start_chan(struct chan_list *ch);
 292
 293 #define MISDN_ASTERISK_TECH_PVT(ast) ast->tech_pvt
 294 #define MISDN_ASTERISK_PVT(ast) 1
 295
 296 #include <asterisk/strings.h>
 297
 298 /* #define MISDN_DEBUG 1 */
 299
 300 static const char misdn_type[] = "mISDN";
 301
 302 static int tracing = 0 ;
 303
 304 /*! \brief Only alaw and mulaw is allowed for now */
 305 static int prefformat =  AST_FORMAT_ALAW ; /*  AST_FORMAT_SLINEAR ;  AST_FORMAT_ULAW | */
 306
 307 static int *misdn_debug;
 308 static int *misdn_debug_only;
 309 static int max_ports;
 310
 311 static int *misdn_in_calls;
 312 static int *misdn_out_calls;
 313
 314
 315 struct chan_list dummy_cl;
 316
 317 struct chan_list *cl_te=NULL;
 318 ast_mutex_t cl_te_lock;
 319
 320 static enum event_response_e
 321 cb_events(enum event_e event, struct misdn_bchannel *bc, void *user_data);
 322
 323 static void send_cause2ast(struct ast_channel *ast, struct misdn_bchannel*bc, struct chan_list *ch);
 324
 325 static void cl_queue_chan(struct chan_list **list, struct chan_list *chan);
 326 static void cl_dequeue_chan(struct chan_list **list, struct chan_list *chan);
 327 static struct chan_list *find_chan_by_bc(struct chan_list *list, struct misdn_bchannel *bc);
 328 static struct chan_list *find_chan_by_pid(struct chan_list *list, int pid);
 329
 330
 331
 332 static int dialtone_indicate(struct chan_list *cl);
 333 static int hanguptone_indicate(struct chan_list *cl);
 334 static int stop_indicate(struct chan_list *cl);
 335
 336 static int start_bc_tones(struct chan_list *cl);
 337 static int stop_bc_tones(struct chan_list *cl);
 338 static void release_chan(struct misdn_bchannel *bc);
 339
 340 static int misdn_check_l2l1(struct ast_channel *chan, void *data);
 341 static int misdn_set_opt_exec(struct ast_channel *chan, void *data);
 342 static int misdn_facility_exec(struct ast_channel *chan, void *data);
 343
 344 int chan_misdn_jb_empty(struct misdn_bchannel *bc, char *buf, int len);
 345
 346
 347 void debug_numplan(int port, int numplan, char *type);
 348
 349
 350 int add_out_calls(int port);
 351 int add_in_calls(int port);
 352
 353
 354 #ifdef MISDN_1_2
 355 static int update_pipeline_config(struct misdn_bchannel *bc);
 356 #else
 357 static int update_ec_config(struct misdn_bchannel *bc);
 358 #endif
 359
 360
 361
 362
 363 /*protos*/
 364
 365 int chan_misdn_jb_empty ( struct misdn_bchannel *bc, char *buf, int len);
 366
 367 /*************** Helpers *****************/
 368
 369 static struct chan_list * get_chan_by_ast(struct ast_channel *ast)
 370 {
 371         struct chan_list *tmp;
 372
 373         for (tmp=cl_te; tmp; tmp = tmp->next) {
 374                 if ( tmp->ast == ast ) return tmp;
 375         }
 376
 377         return NULL;
 378 }
 379
 380 static struct chan_list * get_chan_by_ast_name(char *name)
 381 {
 382         struct chan_list *tmp;
 383
 384         for (tmp=cl_te; tmp; tmp = tmp->next) {
 385                 if ( tmp->ast  && strcmp(tmp->ast->name,name) == 0) return tmp;
 386         }
 387
 388         return NULL;
 389 }
 390
 391
 392
 393 struct allowed_bearers {
 394         int cap;
 395         int val;
 396         char *name;
 397 };
 398
 399 struct allowed_bearers allowed_bearers_array[]={
 400         {INFO_CAPABILITY_SPEECH,1,"speech"},
 401         {INFO_CAPABILITY_AUDIO_3_1K,2,"3_1khz"},
 402         {INFO_CAPABILITY_DIGITAL_UNRESTRICTED,4,"digital_unrestricted"},
 403         {INFO_CAPABILITY_DIGITAL_RESTRICTED,8,"digital_restriced"},
 404         {INFO_CAPABILITY_VIDEO,16,"video"}
 405 };
 406
 407 static char *bearer2str(int cap) {
 408         static char *bearers[]={
 409                 "Speech",
 410                 "Audio 3.1k",
 411                 "Unres Digital",
 412                 "Res Digital",
 413                 "Video",
 414                 "Unknown Bearer"
 415         };
 416
 417         switch (cap) {
 418         case INFO_CAPABILITY_SPEECH:
 419                 return bearers[0];
 420                 break;
 421         case INFO_CAPABILITY_AUDIO_3_1K:
 422                 return bearers[1];
 423                 break;
 424         case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
 425                 return bearers[2];
 426                 break;
 427         case INFO_CAPABILITY_DIGITAL_RESTRICTED:
 428                 return bearers[3];
 429                 break;
 430         case INFO_CAPABILITY_VIDEO:
 431                 return bearers[4];
 432                 break;
 433         default:
 434                 return bearers[5];
 435                 break;
 436         }
 437 }
 438
 439
 440 static void print_facility(struct FacParm *fac, struct misdn_bchannel *bc)
 441 {
 442         switch (fac->Function) {
 443         case Fac_CD:
 444                 chan_misdn_log(1,bc->port," --> calldeflect to: %s, screened: %s\n", fac->u.CDeflection.DeflectedToNumber,
 445                                            fac->u.CDeflection.PresentationAllowed ? "yes" : "no");
 446                 break;
 447         case Fac_AOCDCurrency:
 448                 if (fac->u.AOCDcur.chargeNotAvailable)
 449                         chan_misdn_log(1,bc->port," --> AOCD currency: charge not available\n");
 450                 else if (fac->u.AOCDcur.freeOfCharge)
 451                         chan_misdn_log(1,bc->port," --> AOCD currency: free of charge\n");
 452                 else if (fac->u.AOCDchu.billingId >= 0)
 453                         chan_misdn_log(1,bc->port," --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%d billingId:%d\n",
 454                                                    fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
 455                                                    (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDcur.billingId);
 456                 else
 457                         chan_misdn_log(1,bc->port," --> AOCD currency: currency:%s amount:%d multiplier:%d typeOfChargingInfo:%d\n",
 458                                                    fac->u.AOCDcur.currency, fac->u.AOCDcur.currencyAmount, fac->u.AOCDcur.multiplier,
 459                                                    (fac->u.AOCDcur.typeOfChargingInfo == 0) ? "subTotal" : "total");
 460                 break;
 461         case Fac_AOCDChargingUnit:
 462                 if (fac->u.AOCDchu.chargeNotAvailable)
 463                         chan_misdn_log(1,bc->port," --> AOCD charging unit: charge not available\n");
 464                 else if (fac->u.AOCDchu.freeOfCharge)
 465                         chan_misdn_log(1,bc->port," --> AOCD charging unit: free of charge\n");
 466                 else if (fac->u.AOCDchu.billingId >= 0)
 467                         chan_misdn_log(1,bc->port," --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s billingId:%d\n",
 468                                                    fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total", fac->u.AOCDchu.billingId);
 469                 else
 470                         chan_misdn_log(1,bc->port," --> AOCD charging unit: recordedUnits:%d typeOfChargingInfo:%s\n",
 471                                                    fac->u.AOCDchu.recordedUnits, (fac->u.AOCDchu.typeOfChargingInfo == 0) ? "subTotal" : "total");
 472                 break;
 473         default:
 474                 chan_misdn_log(1,bc->port," --> unknown\n");
 475         }
 476 }
 477
 478 static void print_bearer(struct misdn_bchannel *bc)
 479 {
 480
 481         chan_misdn_log(2, bc->port, " --> Bearer: %s\n",bearer2str(bc->capability));
 482
 483         switch(bc->law) {
 484         case INFO_CODEC_ALAW:
 485                 chan_misdn_log(2, bc->port, " --> Codec: Alaw\n");
 486                 break;
 487         case INFO_CODEC_ULAW:
 488                 chan_misdn_log(2, bc->port, " --> Codec: Ulaw\n");
 489                 break;
 490         }
 491 }
 492
 493 static void export_aoc_vars(int originator, struct ast_channel *ast, struct misdn_bchannel *bc)
 494 {
 495         char buf[128];
 496
 497         if (!bc->AOCD_need_export || !ast)
 498                 return;
 499
 500         if (originator == ORG_AST) {
 501                 ast = ast_bridged_channel(ast);
 502                 if (!ast)
 503                         return;
 504         }
 505
 506         switch (bc->AOCDtype) {
 507         case Fac_AOCDCurrency:
 508                 pbx_builtin_setvar_helper(ast, "AOCD_Type", "currency");
 509                 if (bc->AOCD.currency.chargeNotAvailable)
 510                         pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "no");
 511                 else {
 512                         pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "yes");
 513                         if (bc->AOCD.currency.freeOfCharge)
 514                                 pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "yes");
 515                         else {
 516                                 pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "no");
 517                                 if (snprintf(buf, sizeof(buf), "%d %s", bc->AOCD.currency.currencyAmount * bc->AOCD.currency.multiplier, bc->AOCD.currency.currency) < sizeof(buf)) {
 518                                         pbx_builtin_setvar_helper(ast, "AOCD_Amount", buf);
 519                                         if (bc->AOCD.currency.billingId >= 0 && snprintf(buf, sizeof(buf), "%d", bc->AOCD.currency.billingId) < sizeof(buf))
 520                                                 pbx_builtin_setvar_helper(ast, "AOCD_BillingId", buf);
 521                                 }
 522                         }
 523                 }
 524                 break;
 525         case Fac_AOCDChargingUnit:
 526                 pbx_builtin_setvar_helper(ast, "AOCD_Type", "charging_unit");
 527                 if (bc->AOCD.chargingUnit.chargeNotAvailable)
 528                         pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "no");
 529                 else {
 530                         pbx_builtin_setvar_helper(ast, "AOCD_ChargeAvailable", "yes");
 531                         if (bc->AOCD.chargingUnit.freeOfCharge)
 532                                 pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "yes");
 533                         else {
 534                                 pbx_builtin_setvar_helper(ast, "AOCD_FreeOfCharge", "no");
 535                                 if (snprintf(buf, sizeof(buf), "%d", bc->AOCD.chargingUnit.recordedUnits) < sizeof(buf)) {
 536                                         pbx_builtin_setvar_helper(ast, "AOCD_RecordedUnits", buf);
 537                                         if (bc->AOCD.chargingUnit.billingId >= 0 && snprintf(buf, sizeof(buf), "%d", bc->AOCD.chargingUnit.billingId) < sizeof(buf))
 538                                                 pbx_builtin_setvar_helper(ast, "AOCD_BillingId", buf);
 539                                 }
 540                         }
 541                 }
 542                 break;
 543         default:
 544                 break;
 545         }
 546
 547         bc->AOCD_need_export = 0;
 548 }
 549
 550 /*************** Helpers END *************/
 551
 552 static void sighandler(int sig)
 553 {}
 554
 555 static void* misdn_tasks_thread_func (void *data)
 556 {
 557         int wait;
 558         struct sigaction sa;
 559
 560         sa.sa_handler = sighandler;
 561         sa.sa_flags = SA_NODEFER;
 562         sigemptyset(&sa.sa_mask);
 563         sigaddset(&sa.sa_mask, SIGUSR1);
 564         sigaction(SIGUSR1, &sa, NULL);
 565
 566         sem_post((sem_t *)data);
 567
 568         while (1) {
 569                 wait = ast_sched_wait(misdn_tasks);
 570                 if (wait < 0)
 571                         wait = 8000;
 572                 if (poll(NULL, 0, wait) < 0)
 573                         chan_misdn_log(4, 0, "Waking up misdn_tasks thread\n");
 574                 ast_sched_runq(misdn_tasks);
 575         }
 576         return NULL;
 577 }
 578
 579 static void misdn_tasks_init (void)
 580 {
 581         sem_t blocker;
 582         int i = 5;
 583
 584         if (sem_init(&blocker, 0, 0)) {
 585                 perror("chan_misdn: Failed to initialize semaphore!");
 586                 exit(1);
 587         }
 588
 589         chan_misdn_log(4, 0, "Starting misdn_tasks thread\n");
 590
 591         misdn_tasks = sched_context_create();
 592         pthread_create(&misdn_tasks_thread, NULL, misdn_tasks_thread_func, &blocker);
 593
 594         while (sem_wait(&blocker) && --i);
 595         sem_destroy(&blocker);
 596 }
 597
 598 static void misdn_tasks_destroy (void)
 599 {
 600         if (misdn_tasks) {
 601                 chan_misdn_log(4, 0, "Killing misdn_tasks thread\n");
 602                 if ( pthread_cancel(misdn_tasks_thread) == 0 ) {
 603                         cb_log(4, 0, "Joining misdn_tasks thread\n");
 604                         pthread_join(misdn_tasks_thread, NULL);
 605                 }
 606                 sched_context_destroy(misdn_tasks);
 607         }
 608 }
 609
 610 static inline void misdn_tasks_wakeup (void)
 611 {
 612         pthread_kill(misdn_tasks_thread, SIGUSR1);
 613 }
 614
 615 static inline int _misdn_tasks_add_variable (int timeout, ast_sched_cb callback, void *data, int variable)
 616 {
 617         int task_id;
 618
 619         if (!misdn_tasks) {
 620                 misdn_tasks_init();
 621         }
 622         task_id = ast_sched_add_variable(misdn_tasks, timeout, callback, data, variable);
 623         misdn_tasks_wakeup();
 624
 625         return task_id;
 626 }
 627
 628 static int misdn_tasks_add (int timeout, ast_sched_cb callback, void *data)
 629 {
 630         return _misdn_tasks_add_variable(timeout, callback, data, 0);
 631 }
 632
 633 static int misdn_tasks_add_variable (int timeout, ast_sched_cb callback, void *data)
 634 {
 635         return _misdn_tasks_add_variable(timeout, callback, data, 1);
 636 }
 637
 638 static void misdn_tasks_remove (int task_id)
 639 {
 640         ast_sched_del(misdn_tasks, task_id);
 641 }
 642
 643 static int misdn_l1_task (void *data)
 644 {
 645         misdn_lib_isdn_l1watcher(*(int *)data);
 646         chan_misdn_log(5, *(int *)data, "L1watcher timeout\n");
 647         return 1;
 648 }
 649
 650 static int misdn_overlap_dial_task (void *data)
 651 {
 652         struct timeval tv_end, tv_now;
 653         int diff;
 654         struct chan_list *ch = (struct chan_list *)data;
 655
 656         chan_misdn_log(4, ch->bc->port, "overlap dial task, chan_state: %d\n", ch->state);
 657
 658         if (ch->state != MISDN_WAITING4DIGS) {
 659                 ch->overlap_dial_task = -1;
 660                 return 0;
 661         }
 662
 663         ast_mutex_lock(&ch->overlap_tv_lock);
 664         tv_end = ch->overlap_tv;
 665         ast_mutex_unlock(&ch->overlap_tv_lock);
 666
 667         tv_end.tv_sec += ch->overlap_dial;
 668         tv_now = ast_tvnow();
 669
 670         diff = ast_tvdiff_ms(tv_end, tv_now);
 671
 672         if (diff <= 100) {
 673                 /* if we are 100ms near the timeout, we are satisfied.. */
 674                 stop_indicate(ch);
 675                 if (ast_exists_extension(ch->ast, ch->context, ch->bc->dad, 1, ch->bc->oad)) {
 676                         ch->state=MISDN_DIALING;
 677                         if (pbx_start_chan(ch) < 0) {
 678                                 chan_misdn_log(-1, ch->bc->port, "ast_pbx_start returned < 0 in misdn_overlap_dial_task\n");
 679                                 goto misdn_overlap_dial_task_disconnect;
 680                         }
 681                 } else {
 682 misdn_overlap_dial_task_disconnect:
 683                         hanguptone_indicate(ch);
 684                         if (ch->bc->nt)
 685                                 misdn_lib_send_event(ch->bc, EVENT_RELEASE_COMPLETE );
 686                         else
 687                                 misdn_lib_send_event(ch->bc, EVENT_RELEASE);
 688                 }
 689                 ch->overlap_dial_task = -1;
 690                 return 0;
 691         } else
 692                 return diff;
 693 }
 694
 695 static void send_digit_to_chan(struct chan_list *cl, char digit )
 696 {
 697         static const char* dtmf_tones[] = {
 698                 "!941+1336/100,!0/100", /* 0 */
 699                 "!697+1209/100,!0/100", /* 1 */
 700                 "!697+1336/100,!0/100", /* 2 */
 701                 "!697+1477/100,!0/100", /* 3 */
 702                 "!770+1209/100,!0/100", /* 4 */
 703                 "!770+1336/100,!0/100", /* 5 */
 704                 "!770+1477/100,!0/100", /* 6 */
 705                 "!852+1209/100,!0/100", /* 7 */
 706                 "!852+1336/100,!0/100", /* 8 */
 707                 "!852+1477/100,!0/100", /* 9 */
 708                 "!697+1633/100,!0/100", /* A */
 709                 "!770+1633/100,!0/100", /* B */
 710                 "!852+1633/100,!0/100", /* C */
 711                 "!941+1633/100,!0/100", /* D */
 712                 "!941+1209/100,!0/100", /* * */
 713                 "!941+1477/100,!0/100" };       /* # */
 714         struct ast_channel *chan=cl->ast;
 715
 716         if (digit >= '0' && digit <='9')
 717                 ast_playtones_start(chan,0,dtmf_tones[digit-'0'], 0);
 718         else if (digit >= 'A' && digit <= 'D')
 719                 ast_playtones_start(chan,0,dtmf_tones[digit-'A'+10], 0);
 720         else if (digit == '*')
 721                 ast_playtones_start(chan,0,dtmf_tones[14], 0);
 722         else if (digit == '#')
 723                 ast_playtones_start(chan,0,dtmf_tones[15], 0);
 724         else {
 725                 /* not handled */
 726                 if (option_debug)
 727                         ast_log(LOG_DEBUG, "Unable to handle DTMF tone '%c' for '%s'\n", digit, chan->name);
 728         }
 729 }
 730 /*** CLI HANDLING ***/
 731 static int misdn_set_debug(int fd, int argc, char *argv[])
 732 {
 733         if (argc != 4 && argc != 5 && argc != 6 && argc != 7)
 734                 return RESULT_SHOWUSAGE;
 735
 736         int level = atoi(argv[3]);
 737
 738         switch (argc) {
 739                 case 4:
 740                 case 5: {
 741                                         int only = 0;
 742                                         if (argc == 5) {
 743                                                 if (strncasecmp(argv[4], "only", strlen(argv[4])))
 744                                                         return RESULT_SHOWUSAGE;
 745                                                 else
 746                                                         only = 1;
 747                                         }
 748                                         int i;
 749                                         for (i=0; i<=max_ports; i++) {
 750                                                 misdn_debug[i] = level;
 751                                                 misdn_debug_only[i] = only;
 752                                         }
 753                                         ast_cli(fd, "changing debug level for all ports to %d%s\n",misdn_debug[0], only?" (only)":"");
 754                                 }
 755                                 break;
 756                 case 6:
 757                 case 7: {
 758                                         if (strncasecmp(argv[4], "port", strlen(argv[4])))
 759                                                 return RESULT_SHOWUSAGE;
 760                                         int port = atoi(argv[5]);
 761                                         if (port <= 0 || port > max_ports) {
 762                                                 switch (max_ports) {
 763                                                         case 0:
 764                                                                 ast_cli(fd, "port number not valid! no ports available so you won't get lucky with any number here...\n");
 765                                                                 break;
 766                                                         case 1:
 767                                                                 ast_cli(fd, "port number not valid! only port 1 is availble.\n");
 768                                                                 break;
 769                                                         default:
 770                                                                 ast_cli(fd, "port number not valid! only ports 1 to %d are available.\n", max_ports);
 771                                                         }
 772                                                         return 0;
 773                                         }
 774                                         if (argc == 7) {
 775                                                 if (strncasecmp(argv[6], "only", strlen(argv[6])))
 776                                                         return RESULT_SHOWUSAGE;
 777                                                 else
 778                                                         misdn_debug_only[port] = 1;
 779                                         } else
 780                                                 misdn_debug_only[port] = 0;
 781                                         misdn_debug[port] = level;
 782                                         ast_cli(fd, "changing debug level to %d%s for port %d\n", misdn_debug[port], misdn_debug_only[port]?" (only)":"", port);
 783                                 }
 784         }
 785         return 0;
 786 }
 787
 788 static int misdn_set_crypt_debug(int fd, int argc, char *argv[])
 789 {
 790         if (argc != 5) return RESULT_SHOWUSAGE;
 791
 792         return 0;
 793 }
 794
 795
 796 static int misdn_port_block(int fd, int argc, char *argv[])
 797 {
 798         int port;
 799
 800         if (argc != 4)
 801                 return RESULT_SHOWUSAGE;
 802
 803         port = atoi(argv[3]);
 804
 805         misdn_lib_port_block(port);
 806
 807         return 0;
 808 }
 809
 810 static int misdn_port_unblock(int fd, int argc, char *argv[])
 811 {
 812         int port;
 813
 814         if (argc != 4)
 815                 return RESULT_SHOWUSAGE;
 816
 817         port = atoi(argv[3]);
 818
 819         misdn_lib_port_unblock(port);
 820
 821         return 0;
 822 }
 823
 824
 825 static int misdn_restart_port (int fd, int argc, char *argv[])
 826 {
 827         int port;
 828
 829         if (argc != 4)
 830                 return RESULT_SHOWUSAGE;
 831
 832         port = atoi(argv[3]);
 833
 834         misdn_lib_port_restart(port);
 835
 836         return 0;
 837 }
 838
 839 static int misdn_restart_pid (int fd, int argc, char *argv[])
 840 {
 841         int pid;
 842
 843         if (argc != 4)
 844                 return RESULT_SHOWUSAGE;
 845
 846         pid = atoi(argv[3]);
 847
 848         misdn_lib_pid_restart(pid);
 849
 850         return 0;
 851 }
 852
 853 static int misdn_port_up (int fd, int argc, char *argv[])
 854 {
 855         int port;
 856
 857         if (argc != 4)
 858                 return RESULT_SHOWUSAGE;
 859
 860         port = atoi(argv[3]);
 861
 862         misdn_lib_get_port_up(port);
 863
 864         return 0;
 865 }
 866
 867 static int misdn_port_down (int fd, int argc, char *argv[])
 868 {
 869         int port;
 870
 871         if (argc != 4)
 872                 return RESULT_SHOWUSAGE;
 873
 874         port = atoi(argv[3]);
 875
 876         misdn_lib_get_port_down(port);
 877
 878         return 0;
 879 }
 880
 881 static inline void show_config_description (int fd, enum misdn_cfg_elements elem)
 882 {
 883         char section[BUFFERSIZE];
 884         char name[BUFFERSIZE];
 885         char desc[BUFFERSIZE];
 886         char def[BUFFERSIZE];
 887         char tmp[BUFFERSIZE];
 888
 889         misdn_cfg_get_name(elem, tmp, sizeof(tmp));
 890         term_color(name, tmp, COLOR_BRWHITE, 0, sizeof(tmp));
 891         misdn_cfg_get_desc(elem, desc, sizeof(desc), def, sizeof(def));
 892
 893         if (elem < MISDN_CFG_LAST)
 894                 term_color(section, "PORTS SECTION", COLOR_YELLOW, 0, sizeof(section));
 895         else
 896                 term_color(section, "GENERAL SECTION", COLOR_YELLOW, 0, sizeof(section));
 897
 898         if (*def)
 899                 ast_cli(fd, "[%s] %s   (Default: %s)\n\t%s\n", section, name, def, desc);
 900         else
 901                 ast_cli(fd, "[%s] %s\n\t%s\n", section, name, desc);
 902 }
 903
 904 static int misdn_show_config (int fd, int argc, char *argv[])
 905 {
 906         char buffer[BUFFERSIZE];
 907         enum misdn_cfg_elements elem;
 908         int linebreak;
 909         int onlyport = -1;
 910         int ok = 0;
 911
 912         if (argc >= 4) {
 913                 if (!strcmp(argv[3], "description")) {
 914                         if (argc == 5) {
 915                                 enum misdn_cfg_elements elem = misdn_cfg_get_elem (argv[4]);
 916                                 if (elem == MISDN_CFG_FIRST)
 917                                         ast_cli(fd, "Unknown element: %s\n", argv[4]);
 918                                 else
 919                                         show_config_description(fd, elem);
 920                                 return 0;
 921                         }
 922                         return RESULT_SHOWUSAGE;
 923                 }
 924                 if (!strcmp(argv[3], "descriptions")) {
 925                         if ((argc == 4) || ((argc == 5) && !strcmp(argv[4], "general"))) {
 926                                 for (elem = MISDN_GEN_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
 927                                         show_config_description(fd, elem);
 928                                         ast_cli(fd, "\n");
 929                                 }
 930                                 ok = 1;
 931                         }
 932                         if ((argc == 4) || ((argc == 5) && !strcmp(argv[4], "ports"))) {
 933                                 for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_CFG_LAST - 1 /* the ptp hack, remove the -1 when ptp is gone */; ++elem) {
 934                                         show_config_description(fd, elem);
 935                                         ast_cli(fd, "\n");
 936                                 }
 937                                 ok = 1;
 938                         }
 939                         return ok ? 0 : RESULT_SHOWUSAGE;
 940                 }
 941                 if (!sscanf(argv[3], "%d", &onlyport) || onlyport < 0) {
 942                         ast_cli(fd, "Unknown option: %s\n", argv[3]);
 943                         return RESULT_SHOWUSAGE;
 944                 }
 945         }
 946
 947         if (argc == 3 || onlyport == 0) {
 948                 ast_cli(fd,"Misdn General-Config: \n");
 949                 for (elem = MISDN_GEN_FIRST + 1, linebreak = 1; elem < MISDN_GEN_LAST; elem++, linebreak++) {
 950                         misdn_cfg_get_config_string( 0, elem, buffer, BUFFERSIZE);
 951                         ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 952                 }
 953                 ast_cli(fd, "\n");
 954         }
 955
 956         if (onlyport < 0) {
 957                 int port = misdn_cfg_get_next_port(0);
 958                 for (; port > 0; port = misdn_cfg_get_next_port(port)) {
 959                         ast_cli(fd, "\n[PORT %d]\n", port);
 960                         for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
 961                                 misdn_cfg_get_config_string( port, elem, buffer, BUFFERSIZE);
 962                                 ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 963                         }
 964                         ast_cli(fd, "\n");
 965                 }
 966         }
 967
 968         if (onlyport > 0) {
 969                 if (misdn_cfg_is_port_valid(onlyport)) {
 970                         ast_cli(fd, "[PORT %d]\n", onlyport);
 971                         for (elem = MISDN_CFG_FIRST + 1, linebreak = 1; elem < MISDN_CFG_LAST; elem++, linebreak++) {
 972                                 misdn_cfg_get_config_string(onlyport, elem, buffer, BUFFERSIZE);
 973                                 ast_cli(fd, "%-36s%s", buffer, !(linebreak % 2) ? "\n" : "");
 974                         }
 975                         ast_cli(fd, "\n");
 976                 } else {
 977                         ast_cli(fd, "Port %d is not active!\n", onlyport);
 978                 }
 979         }
 980         return 0;
 981 }
 982
 983 struct state_struct {
 984         enum misdn_chan_state state;
 985         char txt[255] ;
 986 } ;
 987
 988 static struct state_struct state_array[] = {
 989         {MISDN_NOTHING,"NOTHING"}, /* at beginning */
 990         {MISDN_WAITING4DIGS,"WAITING4DIGS"}, /*  when waiting for infos */
 991         {MISDN_EXTCANTMATCH,"EXTCANTMATCH"}, /*  when asterisk couldnt match our ext */
 992         {MISDN_INCOMING_SETUP,"INCOMING SETUP"}, /*  when pbx_start */
 993         {MISDN_DIALING,"DIALING"}, /*  when pbx_start */
 994         {MISDN_PROGRESS,"PROGRESS"}, /*  when pbx_start */
 995         {MISDN_PROCEEDING,"PROCEEDING"}, /*  when pbx_start */
 996         {MISDN_CALLING,"CALLING"}, /*  when misdn_call is called */
 997         {MISDN_CALLING_ACKNOWLEDGE,"CALLING_ACKNOWLEDGE"}, /*  when misdn_call is called */
 998         {MISDN_ALERTING,"ALERTING"}, /*  when Alerting */
 999         {MISDN_BUSY,"BUSY"}, /*  when BUSY */
1000         {MISDN_CONNECTED,"CONNECTED"}, /*  when connected */
1001         {MISDN_PRECONNECTED,"PRECONNECTED"}, /*  when connected */
1002         {MISDN_DISCONNECTED,"DISCONNECTED"}, /*  when connected */
1003         {MISDN_RELEASED,"RELEASED"}, /*  when connected */
1004         {MISDN_BRIDGED,"BRIDGED"}, /*  when bridged */
1005         {MISDN_CLEANING,"CLEANING"}, /* when hangup from * but we were connected before */
1006         {MISDN_HUNGUP_FROM_MISDN,"HUNGUP_FROM_MISDN"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
1007         {MISDN_HOLDED,"HOLDED"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
1008         {MISDN_HOLD_DISCONNECT,"HOLD_DISCONNECT"}, /* when DISCONNECT/RELEASE/REL_COMP  cam from misdn */
1009         {MISDN_HUNGUP_FROM_AST,"HUNGUP_FROM_AST"} /* when DISCONNECT/RELEASE/REL_COMP came out of */
1010         /* misdn_hangup */
1011 };
1012
1013 static char *misdn_get_ch_state(struct chan_list *p)
1014 {
1015         int i;
1016         static char state[8];
1017
1018         if( !p) return NULL;
1019
1020         for (i=0; i< sizeof(state_array)/sizeof(struct state_struct); i++) {
1021                 if ( state_array[i].state == p->state) return state_array[i].txt;
1022         }
1023
1024         sprintf(state,"%d",p->state) ;
1025
1026         return state;
1027 }
1028
1029
1030
1031 static void reload_config(void)
1032 {
1033         int i, cfg_debug;
1034
1035         if (!g_config_initialized) {
1036                 ast_log(LOG_WARNING, "chan_misdn is not initialized properly, still reloading ?\n");
1037                 return ;
1038         }
1039
1040         free_robin_list();
1041         misdn_cfg_reload();
1042         misdn_cfg_update_ptp();
1043         misdn_cfg_get( 0, MISDN_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
1044         misdn_cfg_get( 0, MISDN_GEN_DEBUG, &cfg_debug, sizeof(int));
1045
1046         for (i = 0;  i <= max_ports; i++) {
1047                 misdn_debug[i] = cfg_debug;
1048                 misdn_debug_only[i] = 0;
1049         }
1050 }
1051
1052 static int misdn_reload (int fd, int argc, char *argv[])
1053 {
1054         ast_cli(fd, "Reloading mISDN Config\n");
1055         reload_config();
1056         return 0;
1057 }
1058
1059 static void print_bc_info (int fd, struct chan_list* help, struct misdn_bchannel* bc)
1060 {
1061         struct ast_channel *ast=help->ast;
1062         ast_cli(fd,
1063                 "* Pid:%d Prt:%d Ch:%d Mode:%s Org:%s dad:%s oad:%s rad:%s ctx:%s state:%s\n",
1064
1065                 bc->pid, bc->port, bc->channel,
1066                 bc->nt?"NT":"TE",
1067                 help->originator == ORG_AST?"*":"I",
1068                 ast?ast->exten:NULL,
1069                 ast?ast->cid.cid_num:NULL,
1070                 bc->rad,
1071                 ast?ast->context:NULL,
1072                 misdn_get_ch_state(help)
1073                 );
1074         if (misdn_debug[bc->port] > 0)
1075                 ast_cli(fd,
1076                         "  --> astname: %s\n"
1077                         "  --> ch_l3id: %x\n"
1078                         "  --> ch_addr: %x\n"
1079                         "  --> bc_addr: %x\n"
1080                         "  --> bc_l3id: %x\n"
1081                         "  --> display: %s\n"
1082                         "  --> activated: %d\n"
1083                         "  --> state: %s\n"
1084                         "  --> capability: %s\n"
1085 #ifdef MISDN_1_2
1086                         "  --> pipeline: %s\n"
1087 #else
1088                         "  --> echo_cancel: %d\n"
1089 #endif
1090                         "  --> notone : rx %d tx:%d\n"
1091                         "  --> bc_hold: %d\n",
1092                         help->ast->name,
1093                         help->l3id,
1094                         help->addr,
1095                         bc->addr,
1096                         bc?bc->l3_id:-1,
1097                         bc->display,
1098
1099                         bc->active,
1100                         bc_state2str(bc->bc_state),
1101                         bearer2str(bc->capability),
1102 #ifdef MISDN_1_2
1103                         bc->pipeline,
1104 #else
1105                         bc->ec_enable,
1106 #endif
1107
1108                         help->norxtone,help->notxtone,
1109                         bc->holded
1110                         );
1111
1112 }
1113
1114 static int misdn_show_cls (int fd, int argc, char *argv[])
1115 {
1116         struct chan_list *help=cl_te;
1117
1118         ast_cli(fd,"Chan List: %p\n",cl_te);
1119
1120         for (;help; help=help->next) {
1121                 struct misdn_bchannel *bc=help->bc;
1122                 struct ast_channel *ast=help->ast;
1123                 if (misdn_debug[0] > 2) ast_cli(fd, "Bc:%p Ast:%p\n", bc, ast);
1124                 if (bc) {
1125                         print_bc_info(fd, help, bc);
1126                 } else {
1127                         if (help->state == MISDN_HOLDED) {
1128                                 ast_cli(fd, "ITS A HOLDED BC:\n");
1129                                 ast_cli(fd, " --> l3_id: %x\n"
1130                                                 " --> dad:%s oad:%s\n"
1131                                                 " --> hold_port: %d\n"
1132                                                 " --> hold_channel: %d\n"
1133
1134                                                 ,help->l3id
1135                                                 ,ast->exten
1136                                                 ,ast->cid.cid_num
1137                                                 ,help->hold_info.port
1138                                                 ,help->hold_info.channel
1139                                                 );
1140                         } else {
1141                                 ast_cli(fd,"* Channel in unknown STATE !!! Exten:%s, Callerid:%s\n", ast->exten, ast->cid.cid_num);
1142                         }
1143                 }
1144         }
1145
1146
1147         return 0;
1148 }
1149
1150 static int misdn_show_cl (int fd, int argc, char *argv[])
1151 {
1152         struct chan_list *help=cl_te;
1153
1154         if (argc != 4)
1155                 return RESULT_SHOWUSAGE;
1156
1157         for (;help; help=help->next) {
1158                 struct misdn_bchannel *bc=help->bc;
1159                 struct ast_channel *ast=help->ast;
1160
1161                 if (bc && ast) {
1162                         if (!strcasecmp(ast->name,argv[3])) {
1163                                 print_bc_info(fd, help, bc);
1164                                 break;
1165                         }
1166                 }
1167         }
1168
1169
1170         return 0;
1171 }
1172
1173 ast_mutex_t lock;
1174 int MAXTICS=8;
1175
1176 static int misdn_set_tics (int fd, int argc, char *argv[])
1177 {
1178         if (argc != 4)
1179                 return RESULT_SHOWUSAGE;
1180
1181         MAXTICS=atoi(argv[3]);
1182
1183         return 0;
1184 }
1185
1186 static int misdn_show_stacks (int fd, int argc, char *argv[])
1187 {
1188         int port;
1189
1190         ast_cli(fd, "BEGIN STACK_LIST:\n");
1191
1192         for (port=misdn_cfg_get_next_port(0); port > 0;
1193              port=misdn_cfg_get_next_port(port)) {
1194                 char buf[128];
1195                 get_show_stack_details(port,buf);
1196                 ast_cli(fd,"  %s  Debug:%d%s\n", buf, misdn_debug[port], misdn_debug_only[port]?"(only)":"");
1197         }
1198
1199         return 0;
1200 }
1201
1202
1203 static int misdn_show_ports_stats (int fd, int argc, char *argv[])
1204 {
1205         int port;
1206
1207         ast_cli(fd, "Port\tin_calls\tout_calls\n");
1208
1209         for (port=misdn_cfg_get_next_port(0); port > 0;
1210              port=misdn_cfg_get_next_port(port)) {
1211                 ast_cli(fd,"%d\t%d\t\t%d\n",port,misdn_in_calls[port],misdn_out_calls[port]);
1212         }
1213         ast_cli(fd,"\n");
1214
1215         return 0;
1216
1217 }
1218
1219
1220 static int misdn_show_port (int fd, int argc, char *argv[])
1221 {
1222         int port;
1223
1224         if (argc != 4)
1225                 return RESULT_SHOWUSAGE;
1226
1227         port = atoi(argv[3]);
1228
1229         ast_cli(fd, "BEGIN STACK_LIST:\n");
1230
1231         char buf[128];
1232         get_show_stack_details(port,buf);
1233         ast_cli(fd,"  %s  Debug:%d%s\n",buf, misdn_debug[port], misdn_debug_only[port]?"(only)":"");
1234
1235
1236         return 0;
1237 }
1238
1239 static int misdn_send_cd (int fd, int argc, char *argv[])
1240 {
1241         char *channame;
1242         char *nr;
1243
1244         if (argc != 5)
1245                 return RESULT_SHOWUSAGE;
1246
1247         channame = argv[3];
1248         nr = argv[4];
1249
1250         ast_cli(fd, "Sending Calldeflection (%s) to %s\n",nr, channame);
1251
1252         {
1253                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1254
1255                 if (!tmp) {
1256                         ast_cli(fd, "Sending CD with nr %s to %s failed: Channel does not exist.\n",nr, channame);
1257                         return 0;
1258                 } else {
1259                         if (strlen(nr) >= 15) {
1260                                 ast_cli(fd, "Sending CD with nr %s to %s failed: Number too long (up to 15 digits are allowed).\n",nr, channame);
1261                                 return 0;
1262                         }
1263                         tmp->bc->fac_out.Function = Fac_CD;
1264                         strncpy((char *)tmp->bc->fac_out.u.CDeflection.DeflectedToNumber, nr, sizeof(tmp->bc->fac_out.u.CDeflection.DeflectedToNumber));
1265                         misdn_lib_send_event(tmp->bc, EVENT_FACILITY);
1266                 }
1267         }
1268
1269         return 0;
1270 }
1271
1272 static int misdn_send_digit (int fd, int argc, char *argv[])
1273 {
1274         char *channame;
1275         char *msg;
1276
1277         if (argc != 5)
1278                 return RESULT_SHOWUSAGE;
1279
1280         channame = argv[3];
1281         msg = argv[4];
1282
1283         ast_cli(fd, "Sending %s to %s\n",msg, channame);
1284
1285         {
1286                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1287
1288                 if (!tmp) {
1289                         ast_cli(fd, "Sending %s to %s failed Channel does not exist\n",msg, channame);
1290                         return 0;
1291                 } else {
1292 #if 1
1293                         int i;
1294                         int msglen = strlen(msg);
1295                         for (i=0; i<msglen; i++) {
1296                                 ast_cli(fd, "Sending: %c\n",msg[i]);
1297                                 send_digit_to_chan(tmp, msg[i]);
1298                                 /* res = ast_safe_sleep(tmp->ast, 250); */
1299                                 usleep(250000);
1300                                 /* res = ast_waitfor(tmp->ast,100); */
1301                         }
1302 #else
1303                         int res;
1304                         res = ast_dtmf_stream(tmp->ast,NULL,msg,250);
1305 #endif
1306                 }
1307         }
1308
1309         return 0;
1310 }
1311
1312 static int misdn_toggle_echocancel (int fd, int argc, char *argv[])
1313 {
1314         char *channame;
1315
1316         if (argc != 4)
1317                 return RESULT_SHOWUSAGE;
1318
1319         channame = argv[3];
1320
1321         ast_cli(fd, "Toggling EchoCancel on %s\n", channame);
1322
1323         {
1324                 struct chan_list *tmp=get_chan_by_ast_name(channame);
1325
1326                 if (!tmp) {
1327                         ast_cli(fd, "Toggling EchoCancel %s failed Channel does not exist\n", channame);
1328                         return 0;
1329                 } else {
1330
1331                         tmp->toggle_ec=tmp->toggle_ec?0:1;
1332
1333                         if (tmp->toggle_ec) {
1334 #ifdef MISDN_1_2
1335                                 update_pipeline_config(tmp->bc);
1336 #else
1337                                 update_ec_config(tmp->bc);
1338 #endif
1339                                 manager_ec_enable(tmp->bc);
1340                         } else {
1341                                 manager_ec_disable(tmp->bc);
1342                         }
1343                 }
1344         }
1345
1346         return 0;
1347 }
1348
1349 static int misdn_send_display (int fd, int argc, char *argv[])
1350 {
1351         char *channame;
1352         char *msg;
1353
1354         if (argc != 5)
1355                 return RESULT_SHOWUSAGE;
1356
1357         channame = argv[3];
1358         msg = argv[4];
1359
1360         ast_cli(fd, "Sending %s to %s\n",msg, channame);
1361         {
1362                 struct chan_list *tmp;
1363                 tmp=get_chan_by_ast_name(channame);
1364
1365                 if (tmp && tmp->bc) {
1366                         ast_copy_string(tmp->bc->display, msg, sizeof(tmp->bc->display));
1367                         misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
1368                 } else {
1369                         ast_cli(fd,"No such channel %s\n",channame);
1370                         return RESULT_FAILURE;
1371                 }
1372         }
1373
1374         return RESULT_SUCCESS ;
1375 }
1376
1377 static char *complete_ch_helper(const char *line, const char *word, int pos, int state, int rpos)
1378 {
1379         struct ast_channel *c;
1380         int which=0;
1381         char *ret;
1382         if (pos != rpos)
1383                 return NULL;
1384         c = ast_channel_walk_locked(NULL);
1385         while(c) {
1386                 if (!strncasecmp(word, c->name, strlen(word))) {
1387                         if (++which > state)
1388                                 break;
1389                 }
1390                 ast_mutex_unlock(&c->lock);
1391                 c = ast_channel_walk_locked(c);
1392         }
1393         if (c) {
1394                 ret = strdup(c->name);
1395                 ast_mutex_unlock(&c->lock);
1396         } else
1397                 ret = NULL;
1398         return ret;
1399 }
1400
1401 static char *complete_ch(const char *line, const char *word, int pos, int state)
1402 {
1403         return complete_ch_helper(line, word, pos, state, 3);
1404 }
1405
1406 static char *complete_debug_port (const char *line, const char *word, int pos, int state)
1407 {
1408         if (state)
1409                 return NULL;
1410
1411         switch (pos) {
1412         case 4: if (*word == 'p')
1413                                 return strdup("port");
1414                         else if (*word == 'o')
1415                                 return strdup("only");
1416                         break;
1417         case 6: if (*word == 'o')
1418                                 return strdup("only");
1419                         break;
1420         }
1421         return NULL;
1422 }
1423
1424 static char *complete_show_config (const char *line, const char *word, int pos, int state)
1425 {
1426         char buffer[BUFFERSIZE];
1427         enum misdn_cfg_elements elem;
1428         int wordlen = strlen(word);
1429         int which = 0;
1430         int port = 0;
1431
1432         switch (pos) {
1433         case 3: if ((!strncmp(word, "description", wordlen)) && (++which > state))
1434                                 return strdup("description");
1435                         if ((!strncmp(word, "descriptions", wordlen)) && (++which > state))
1436                                 return strdup("descriptions");
1437                         if ((!strncmp(word, "0", wordlen)) && (++which > state))
1438                                 return strdup("0");
1439                         while ((port = misdn_cfg_get_next_port(port)) != -1) {
1440                                 snprintf(buffer, sizeof(buffer), "%d", port);
1441                                 if ((!strncmp(word, buffer, wordlen)) && (++which > state)) {
1442                                         return strdup(buffer);
1443                                 }
1444                         }
1445                         break;
1446         case 4:
1447                         if (strstr(line, "description ")) {
1448                                 for (elem = MISDN_CFG_FIRST + 1; elem < MISDN_GEN_LAST; ++elem) {
1449                                         if ((elem == MISDN_CFG_LAST) || (elem == MISDN_GEN_FIRST))
1450                                                 continue;
1451                                         misdn_cfg_get_name(elem, buffer, BUFFERSIZE);
1452                                         if (!wordlen || !strncmp(word, buffer, wordlen)) {
1453                                                 if (++which > state)
1454                                                         return strdup(buffer);
1455                                         }
1456                                 }
1457                         } else if (strstr(line, "descriptions ")) {
1458                                 if ((!wordlen || !strncmp(word, "general", wordlen)) && (++which > state))
1459                                         return strdup("general");
1460                                 if ((!wordlen || !strncmp(word, "ports", wordlen)) && (++which > state))
1461                                         return strdup("ports");
1462                         }
1463                         break;
1464         }
1465         return NULL;
1466 }
1467
1468 static struct ast_cli_entry chan_misdn_clis[] = {
1469         { {"misdn","send","calldeflect", NULL}, misdn_send_cd, "Sends CallDeflection to mISDN Channel",
1470                 "Usage: misdn send calldeflect <channel> \"<nr>\" \n", complete_ch },
1471         { {"misdn","send","digit", NULL}, misdn_send_digit,     "Sends DTMF Digit to mISDN Channel",
1472                 "Usage: misdn send digit <channel> \"<msg>\" \n"
1473                 "       Send <digit> to <channel> as DTMF Tone\n"
1474                 "       when channel is a mISDN channel\n", complete_ch },
1475         { {"misdn","toggle","echocancel", NULL}, misdn_toggle_echocancel, "Toggles EchoCancel on mISDN Channel",
1476                 "Usage: misdn toggle echocancel <channel>\n", complete_ch },
1477         { {"misdn","send","display", NULL}, misdn_send_display, "Sends Text to mISDN Channel",
1478                 "Usage: misdn send display <channel> \"<msg>\" \n"
1479                 "       Send <msg> to <channel> as Display Message\n"
1480                 "       when channel is a mISDN channel\n", complete_ch },
1481         { {"misdn","show","config", NULL}, misdn_show_config, "Shows internal mISDN config, read from cfg-file",
1482                 "Usage: misdn show config [<port> | description <config element> | descriptions [general|ports]]\n"
1483                 "       Use 0 for <port> to only print the general config.\n", complete_show_config },
1484         { {"misdn","reload", NULL}, misdn_reload, "Reloads internal mISDN config, read from cfg-file",
1485                 "Usage: misdn reload\n" },
1486         { {"misdn","set","tics", NULL}, misdn_set_tics, "",
1487                 "\n" },
1488         { {"misdn","show","channels", NULL}, misdn_show_cls, "Shows internal mISDN chan_list",
1489                 "Usage: misdn show channels\n" },
1490         { {"misdn","show","channel", NULL}, misdn_show_cl, "Shows internal mISDN chan_list",
1491                 "Usage: misdn show channels\n", complete_ch },
1492         { {"misdn","port","block", NULL}, misdn_port_block, "Blocks the given port",
1493                 "Usage: misdn port block\n" },
1494         { {"misdn","port","unblock", NULL}, misdn_port_unblock, "Unblocks the given port",
1495                 "Usage: misdn port unblock\n" },
1496         { {"misdn","restart","port", NULL}, misdn_restart_port, "Restarts the given port",
1497                 "Usage: misdn restart port\n" },
1498         { {"misdn","restart","pid", NULL}, misdn_restart_pid, "Restarts the given pid",
1499                 "Usage: misdn restart pid\n" },
1500         { {"misdn","port","up", NULL}, misdn_port_up, "Tries to establish L1 on the given port",
1501                 "Usage: misdn port up <port>\n" },
1502         { {"misdn","port","down", NULL}, misdn_port_down, "Tries to deacivate the L1 on the given port",
1503                 "Usage: misdn port down <port>\n" },
1504         { {"misdn","show","stacks", NULL}, misdn_show_stacks, "Shows internal mISDN stack_list",
1505                 "Usage: misdn show stacks\n" },
1506         { {"misdn","show","ports","stats", NULL}, misdn_show_ports_stats, "Shows chan_misdns call statistics per port",
1507                 "Usage: misdn show port stats\n" },
1508         { {"misdn","show","port", NULL}, misdn_show_port, "Shows detailed information for given port",
1509                 "Usage: misdn show port <port>\n" },
1510         { {"misdn","set","debug", NULL}, misdn_set_debug, "Sets Debuglevel of chan_misdn",
1511                 "Usage: misdn set debug <level> [only] | [port <port> [only]]\n", complete_debug_port },
1512         { {"misdn","set","crypt","debug", NULL}, misdn_set_crypt_debug, "Sets CryptDebuglevel of chan_misdn, at the moment, level={1,2}",
1513                 "Usage: misdn set crypt debug <level>\n" }
1514 };
1515
1516 static int update_config (struct chan_list *ch, int orig)
1517 {
1518         if (!ch) {
1519                 ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
1520                 return -1;
1521         }
1522
1523         struct ast_channel *ast=ch->ast;
1524         struct misdn_bchannel *bc=ch->bc;
1525         if (! ast || ! bc ) {
1526                 ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
1527                 return -1;
1528         }
1529
1530         int port=bc->port;
1531
1532         chan_misdn_log(7,port,"update_config: Getting Config\n");
1533
1534         int hdlc=0;
1535         misdn_cfg_get( port, MISDN_CFG_HDLC, &hdlc, sizeof(int));
1536
1537         if (hdlc) {
1538                 switch (bc->capability) {
1539                 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
1540                 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
1541                         chan_misdn_log(1,bc->port," --> CONF HDLC\n");
1542                         bc->hdlc=1;
1543                         break;
1544                 }
1545
1546         }
1547
1548
1549         int pres, screen;
1550
1551         misdn_cfg_get( port, MISDN_CFG_PRES, &pres, sizeof(int));
1552         misdn_cfg_get( port, MISDN_CFG_SCREEN, &screen, sizeof(int));
1553         chan_misdn_log(2,port," --> pres: %d screen: %d\n",pres, screen);
1554
1555         if ( (pres + screen) < 0 ) {
1556
1557                 chan_misdn_log(2,port," --> pres: %x\n", ast->cid.cid_pres);
1558
1559                 switch (ast->cid.cid_pres & 0x60){
1560
1561                 case AST_PRES_RESTRICTED:
1562                         bc->pres=1;
1563                         chan_misdn_log(2, port, " --> PRES: Restricted (0x1)\n");
1564                         break;
1565
1566
1567                 case AST_PRES_UNAVAILABLE:
1568                         bc->pres=2;
1569                         chan_misdn_log(2, port, " --> PRES: Unavailable (0x2)\n");
1570                         break;
1571
1572                 default:
1573                         bc->pres=0;
1574                         chan_misdn_log(2, port, " --> PRES: Allowed (0x0)\n");
1575                 }
1576
1577                 switch (ast->cid.cid_pres & 0x3){
1578
1579                 case AST_PRES_USER_NUMBER_UNSCREENED:
1580                         bc->screen=0;
1581                         chan_misdn_log(2, port, " --> SCREEN: Unscreened (0x0)\n");
1582                         break;
1583
1584                 case AST_PRES_USER_NUMBER_PASSED_SCREEN:
1585                         bc->screen=1;
1586                         chan_misdn_log(2, port, " --> SCREEN: Passed Screen (0x1)\n");
1587                         break;
1588                 case AST_PRES_USER_NUMBER_FAILED_SCREEN:
1589                         bc->screen=2;
1590                         chan_misdn_log(2, port, " --> SCREEN: Failed Screen (0x2)\n");
1591                         break;
1592
1593                 case AST_PRES_NETWORK_NUMBER:
1594                         bc->screen=3;
1595                         chan_misdn_log(2, port, " --> SCREEN: Network Nr. (0x3)\n");
1596                         break;
1597
1598                 default:
1599                         bc->screen=0;
1600                         chan_misdn_log(2, port, " --> SCREEN: Unscreened (0x0)\n");
1601                 }
1602
1603
1604         } else {
1605                 bc->screen=screen;
1606                 bc->pres=pres;
1607         }
1608
1609         return 0;
1610
1611 }
1612
1613
1614
1615
1616 static void config_jitterbuffer(struct chan_list *ch)
1617 {
1618         struct misdn_bchannel *bc=ch->bc;
1619         int len=ch->jb_len, threshold=ch->jb_upper_threshold;
1620
1621         chan_misdn_log(5,bc->port, "config_jb: Called\n");
1622
1623         if ( ! len ) {
1624                 chan_misdn_log(1,bc->port, "config_jb: Deactivating Jitterbuffer\n");
1625                 bc->nojitter=1;
1626         } else {
1627
1628                 if (len <=100 || len > 8000) {
1629                         chan_misdn_log(0,bc->port,"config_jb: Jitterbuffer out of Bounds, setting to 1000\n");
1630                         len=1000;
1631                 }
1632
1633                 if ( threshold > len ) {
1634                         chan_misdn_log(0,bc->port,"config_jb: Jitterbuffer Threshold > Jitterbuffer setting to Jitterbuffer -1\n");
1635                 }
1636
1637                 if ( ch->jb) {
1638                         cb_log(0,bc->port,"config_jb: We've got a Jitterbuffer Already on this port.\n");
1639                         misdn_jb_destroy(ch->jb);
1640                         ch->jb=NULL;
1641                 }
1642
1643                 ch->jb=misdn_jb_init(len, threshold);
1644
1645                 if (!ch->jb )
1646                         bc->nojitter=1;
1647         }
1648 }
1649
1650
1651 void debug_numplan(int port, int numplan, char *type)
1652 {
1653         switch (numplan) {
1654         case NUMPLAN_INTERNATIONAL:
1655                 chan_misdn_log(2, port, " --> %s: International\n",type);
1656                 break;
1657         case NUMPLAN_NATIONAL:
1658                 chan_misdn_log(2, port, " --> %s: National\n",type);
1659                 break;
1660         case NUMPLAN_SUBSCRIBER:
1661                 chan_misdn_log(2, port, " --> %s: Subscriber\n",type);
1662                 break;
1663         case NUMPLAN_UNKNOWN:
1664                 chan_misdn_log(2, port, " --> %s: Unknown\n",type);
1665                 break;
1666                 /* Maybe we should cut off the prefix if present ? */
1667         default:
1668                 chan_misdn_log(0, port, " --> !!!! Wrong dialplan setting, please see the misdn.conf sample file\n ");
1669                 break;
1670         }
1671 }
1672
1673
1674
1675
1676 #ifdef MISDN_1_2
1677 static int update_pipeline_config(struct misdn_bchannel *bc)
1678 {
1679         int ec;
1680
1681         misdn_cfg_get(bc->port, MISDN_CFG_PIPELINE, bc->pipeline, sizeof(bc->pipeline));
1682
1683         if (*bc->pipeline)
1684                 return 0;
1685
1686         misdn_cfg_get(bc->port, MISDN_CFG_ECHOCANCEL, &ec, sizeof(int));
1687         if (ec == 1)
1688                 snprintf(bc->pipeline, sizeof(bc->pipeline) - 1, "mg2ec");
1689         else if (ec > 1)
1690                 snprintf(bc->pipeline, sizeof(bc->pipeline) - 1, "mg2ec(deftaps=%d)", ec);
1691
1692         return 0;
1693 }
1694 #else
1695 static int update_ec_config(struct misdn_bchannel *bc)
1696 {
1697         int ec;
1698         int port=bc->port;
1699
1700         misdn_cfg_get( port, MISDN_CFG_ECHOCANCEL, &ec, sizeof(int));
1701
1702         if (ec == 1 ) {
1703                 bc->ec_enable=1;
1704         } else if ( ec > 1 ) {
1705                 bc->ec_enable=1;
1706                 bc->ec_deftaps=ec;
1707         }
1708
1709         return 0;
1710 }
1711 #endif
1712
1713
1714 static int read_config(struct chan_list *ch, int orig) {
1715
1716         if (!ch) {
1717                 ast_log(LOG_WARNING, "Cannot configure without chanlist\n");
1718                 return -1;
1719         }
1720
1721         struct ast_channel *ast=ch->ast;
1722         struct misdn_bchannel *bc=ch->bc;
1723         if (! ast || ! bc ) {
1724                 ast_log(LOG_WARNING, "Cannot configure without ast || bc\n");
1725                 return -1;
1726         }
1727
1728         int port=bc->port;
1729
1730         chan_misdn_log(1,port,"read_config: Getting Config\n");
1731
1732         char lang[BUFFERSIZE+1];
1733
1734
1735         misdn_cfg_get( port, MISDN_CFG_LANGUAGE, lang, BUFFERSIZE);
1736         ast_string_field_set(ast, language, lang);
1737
1738         char localmusicclass[BUFFERSIZE+1];
1739
1740         misdn_cfg_get( port, MISDN_CFG_MUSICCLASS, localmusicclass, BUFFERSIZE);
1741         ast_string_field_set(ast, musicclass, localmusicclass);
1742
1743
1744         misdn_cfg_get( port, MISDN_CFG_TXGAIN, &bc->txgain, sizeof(int));
1745         misdn_cfg_get( port, MISDN_CFG_RXGAIN, &bc->rxgain, sizeof(int));
1746
1747         misdn_cfg_get( port, MISDN_CFG_INCOMING_EARLY_AUDIO, &ch->incoming_early_audio, sizeof(int));
1748
1749         misdn_cfg_get( port, MISDN_CFG_SENDDTMF, &bc->send_dtmf, sizeof(int));
1750
1751         misdn_cfg_get( port, MISDN_CFG_NEED_MORE_INFOS, &bc->need_more_infos, sizeof(int));
1752         misdn_cfg_get( port, MISDN_CFG_NTTIMEOUT, &ch->nttimeout, sizeof(int));
1753
1754         misdn_cfg_get( port, MISDN_CFG_NOAUTORESPOND_ON_SETUP, &ch->noautorespond_on_setup, sizeof(int));
1755
1756         misdn_cfg_get( port, MISDN_CFG_FAR_ALERTING, &ch->far_alerting, sizeof(int));
1757
1758         misdn_cfg_get( port, MISDN_CFG_ALLOWED_BEARERS, &ch->allowed_bearers, BUFFERSIZE);
1759
1760         char faxdetect[BUFFERSIZE+1];
1761         misdn_cfg_get( port, MISDN_CFG_FAXDETECT, faxdetect, BUFFERSIZE);
1762
1763         int hdlc=0;
1764         misdn_cfg_get( port, MISDN_CFG_HDLC, &hdlc, sizeof(int));
1765
1766         if (hdlc) {
1767                 switch (bc->capability) {
1768                 case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
1769                 case INFO_CAPABILITY_DIGITAL_RESTRICTED:
1770                         chan_misdn_log(1,bc->port," --> CONF HDLC\n");
1771                         bc->hdlc=1;
1772                         break;
1773                 }
1774
1775         }
1776         /*Initialize new Jitterbuffer*/
1777         {
1778                 misdn_cfg_get( port, MISDN_CFG_JITTERBUFFER, &ch->jb_len, sizeof(int));
1779                 misdn_cfg_get( port, MISDN_CFG_JITTERBUFFER_UPPER_THRESHOLD, &ch->jb_upper_threshold, sizeof(int));
1780
1781                 config_jitterbuffer(ch);
1782         }
1783
1784         misdn_cfg_get( bc->port, MISDN_CFG_CONTEXT, ch->context, sizeof(ch->context));
1785
1786         ast_copy_string (ast->context,ch->context,sizeof(ast->context));
1787
1788 #ifdef MISDN_1_2
1789         update_pipeline_config(bc);
1790 #else
1791         update_ec_config(bc);
1792 #endif
1793
1794         {
1795                 int eb3;
1796
1797                 misdn_cfg_get( bc->port, MISDN_CFG_EARLY_BCONNECT, &eb3, sizeof(int));
1798                 bc->early_bconnect=eb3;
1799         }
1800
1801         port=bc->port;
1802
1803         {
1804                 char buf[256];
1805                 ast_group_t pg,cg;
1806
1807                 misdn_cfg_get(port, MISDN_CFG_PICKUPGROUP, &pg, sizeof(pg));
1808                 misdn_cfg_get(port, MISDN_CFG_CALLGROUP, &cg, sizeof(cg));
1809
1810                 chan_misdn_log(5, port, " --> * CallGrp:%s PickupGrp:%s\n",ast_print_group(buf,sizeof(buf),cg),ast_print_group(buf,sizeof(buf),pg));
1811                 ast->pickupgroup=pg;
1812                 ast->callgroup=cg;
1813         }
1814
1815         if ( orig  == ORG_AST) {
1816                 misdn_cfg_get( port, MISDN_CFG_TE_CHOOSE_CHANNEL, &(bc->te_choose_channel), sizeof(int));
1817
1818                 if (strstr(faxdetect, "outgoing") || strstr(faxdetect, "both")) {
1819                         if (strstr(faxdetect, "nojump"))
1820                                 ch->faxdetect=2;
1821                         else
1822                                 ch->faxdetect=1;
1823                 }
1824
1825                 {
1826                         char callerid[BUFFERSIZE+1];
1827                         misdn_cfg_get( port, MISDN_CFG_CALLERID, callerid, BUFFERSIZE);
1828                         if ( ! ast_strlen_zero(callerid) ) {
1829                                 chan_misdn_log(1, port, " --> * Setting Cid to %s\n", callerid);
1830                                 {
1831                                         int l = sizeof(bc->oad);
1832                                         strncpy(bc->oad,callerid, l);
1833                                         bc->oad[l-1] = 0;
1834                                 }
1835
1836                         }
1837
1838
1839                         misdn_cfg_get( port, MISDN_CFG_DIALPLAN, &bc->dnumplan, sizeof(int));
1840                         misdn_cfg_get( port, MISDN_CFG_LOCALDIALPLAN, &bc->onumplan, sizeof(int));
1841                         misdn_cfg_get( port, MISDN_CFG_CPNDIALPLAN, &bc->cpnnumplan, sizeof(int));
1842                         debug_numplan(port, bc->dnumplan,"TON");
1843                         debug_numplan(port, bc->onumplan,"LTON");
1844                         debug_numplan(port, bc->cpnnumplan,"CTON");
1845                 }
1846
1847                 ch->overlap_dial = 0;
1848         } else { /** ORIGINATOR MISDN **/
1849                 if (strstr(faxdetect, "incoming") || strstr(faxdetect, "both")) {
1850                         if (strstr(faxdetect, "nojump"))
1851                                 ch->faxdetect=2;
1852                         else
1853                                 ch->faxdetect=1;
1854                 }
1855
1856                 misdn_cfg_get( port, MISDN_CFG_CPNDIALPLAN, &bc->cpnnumplan, sizeof(int));
1857                 debug_numplan(port, bc->cpnnumplan,"CTON");
1858
1859                 char prefix[BUFFERSIZE+1]="";
1860                 switch( bc->onumplan ) {
1861                 case NUMPLAN_INTERNATIONAL:
1862                         misdn_cfg_get( bc->port, MISDN_CFG_INTERNATPREFIX, prefix, BUFFERSIZE);
1863                         break;
1864
1865                 case NUMPLAN_NATIONAL:
1866                         misdn_cfg_get( bc->port, MISDN_CFG_NATPREFIX, prefix, BUFFERSIZE);
1867                         break;
1868                 default:
1869                         break;
1870                 }
1871
1872                 {
1873                         int l = strlen(prefix) + strlen(bc->oad);
1874                         char tmp[l+1];
1875                         strcpy(tmp,prefix);
1876                         strcat(tmp,bc->oad);
1877                         strcpy(bc->oad,tmp);
1878                 }
1879
1880                 if (!ast_strlen_zero(bc->dad)) {
1881                         ast_copy_string(bc->orig_dad,bc->dad, sizeof(bc->orig_dad));
1882                 }
1883
1884                 if ( ast_strlen_zero(bc->dad) && !ast_strlen_zero(bc->keypad)) {
1885                         ast_copy_string(bc->dad,bc->keypad, sizeof(bc->dad));
1886                 }
1887
1888                 prefix[0] = 0;
1889
1890                 switch( bc->dnumplan ) {
1891                 case NUMPLAN_INTERNATIONAL:
1892                         misdn_cfg_get( bc->port, MISDN_CFG_INTERNATPREFIX, prefix, BUFFERSIZE);
1893                         break;
1894                 case NUMPLAN_NATIONAL:
1895                         misdn_cfg_get( bc->port, MISDN_CFG_NATPREFIX, prefix, BUFFERSIZE);
1896                         break;
1897                 default:
1898                         break;
1899                 }
1900
1901                 {
1902                         int l = strlen(prefix) + strlen(bc->dad);
1903                         char tmp[l+1];
1904                         strcpy(tmp,prefix);
1905                         strcat(tmp,bc->dad);
1906                         strcpy(bc->dad,tmp);
1907                 }
1908
1909                 if ( strcmp(bc->dad,ast->exten)) {
1910                         ast_copy_string(ast->exten, bc->dad, sizeof(ast->exten));
1911                 }
1912
1913                 ast_set_callerid(ast, bc->oad, NULL, bc->oad);
1914
1915                 if ( !ast_strlen_zero(bc->rad) ) {
1916                         if (ast->cid.cid_rdnis)
1917                                 free(ast->cid.cid_rdnis);
1918                         ast->cid.cid_rdnis = strdup(bc->rad);
1919                 }
1920
1921                 misdn_cfg_get(bc->port, MISDN_CFG_OVERLAP_DIAL, &ch->overlap_dial, sizeof(ch->overlap_dial));
1922                 ast_mutex_init(&ch->overlap_tv_lock);
1923         } /* ORIG MISDN END */
1924
1925         ch->overlap_dial_task = -1;
1926
1927         if (ch->faxdetect) {
1928                 misdn_cfg_get( port, MISDN_CFG_FAXDETECT_TIMEOUT, &ch->faxdetect_timeout, sizeof(ch->faxdetect_timeout));
1929                 if (!ch->dsp)
1930                         ch->dsp = ast_dsp_new();
1931                 if (ch->dsp)
1932                         ast_dsp_set_features(ch->dsp, DSP_FEATURE_DTMF_DETECT | DSP_FEATURE_FAX_DETECT);
1933                 if (!ch->trans)
1934                         ch->trans=ast_translator_build_path(AST_FORMAT_SLINEAR, AST_FORMAT_ALAW);
1935         }
1936
1937         /* AOCD initialization */
1938         bc->AOCDtype = Fac_None;
1939
1940         return 0;
1941 }
1942
1943
1944 /*****************************/
1945 /*** AST Indications Start ***/
1946 /*****************************/
1947
1948 static int misdn_call(struct ast_channel *ast, char *dest, int timeout)
1949 {
1950         int port=0;
1951         int r;
1952         struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
1953         struct misdn_bchannel *newbc;
1954         char *opts=NULL, *ext,*tokb;
1955         char dest_cp[256];
1956
1957         {
1958                 strncpy(dest_cp,dest,sizeof(dest_cp)-1);
1959                 dest_cp[sizeof(dest_cp)]=0;
1960
1961                 ext=strtok_r(dest_cp,"/",&tokb);
1962
1963                 if (ext) {
1964                         ext=strtok_r(NULL,"/",&tokb);
1965                         if (ext) {
1966                                 opts=strtok_r(NULL,"/",&tokb);
1967                         } else {
1968                                 chan_misdn_log(0,0,"misdn_call: No Extension given!\n");
1969                                 return -1;
1970                         }
1971                 }
1972         }
1973
1974         if (!ast) {
1975                 ast_log(LOG_WARNING, " --> ! misdn_call called on ast_channel *ast where ast == NULL\n");
1976                 return -1;
1977         }
1978
1979         if (((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) || !dest  ) {
1980                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1981                 ast->hangupcause=41;
1982                 ast_setstate(ast, AST_STATE_DOWN);
1983                 return -1;
1984         }
1985
1986         if (!ch) {
1987                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1988                 ast->hangupcause=41;
1989                 ast_setstate(ast, AST_STATE_DOWN);
1990                 return -1;
1991         }
1992
1993         newbc=ch->bc;
1994
1995         if (!newbc) {
1996                 ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
1997                 ast->hangupcause=41;
1998                 ast_setstate(ast, AST_STATE_DOWN);
1999                 return -1;
2000         }
2001
2002         port=newbc->port;
2003
2004
2005         int exceed;
2006         if ((exceed=add_out_calls(port))) {
2007                 char tmp[16];
2008                 sprintf(tmp,"%d",exceed);
2009                 pbx_builtin_setvar_helper(ast,"MAX_OVERFLOW",tmp);
2010                 return -1;
2011         }
2012
2013         chan_misdn_log(1, port, "* CALL: %s\n",dest);
2014
2015         chan_misdn_log(2, port, " --> * dad:%s tech:%s ctx:%s\n",ast->exten,ast->name, ast->context);
2016
2017         chan_misdn_log(3, port, " --> * adding2newbc ext %s\n",ast->exten);
2018         if (ast->exten) {
2019                 int l = sizeof(newbc->dad);
2020                 strncpy(ast->exten,ext,sizeof(ast->exten));
2021
2022                 strncpy(newbc->dad,ext,l);
2023
2024                 newbc->dad[l-1] = 0;
2025         }
2026
2027         if (ast->cid.cid_rdnis)
2028                 strcpy(newbc->rad, ast->cid.cid_rdnis);
2029         else
2030                 newbc->rad[0]=0;
2031
2032         chan_misdn_log(3, port, " --> * adding2newbc callerid %s\n",ast->cid.cid_num);
2033         if (ast_strlen_zero(newbc->oad) && ast->cid.cid_num ) {
2034
2035                 if (ast->cid.cid_num) {
2036                         int l = sizeof(newbc->oad);
2037                         strncpy(newbc->oad,ast->cid.cid_num, l);
2038                         newbc->oad[l-1] = 0;
2039                 }
2040         }
2041
2042         {
2043                 struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
2044                 if (!ch) { ast_verbose("No chan_list in misdn_call\n"); return -1;}
2045
2046                 newbc->capability=ast->transfercapability;
2047                 pbx_builtin_setvar_helper(ast,"TRANSFERCAPABILITY",ast_transfercapability2str(newbc->capability));
2048                 if ( ast->transfercapability == INFO_CAPABILITY_DIGITAL_UNRESTRICTED) {
2049                         chan_misdn_log(2, port, " --> * Call with flag Digital\n");
2050                 }
2051
2052
2053                 /* update screening and presentation */
2054                 update_config(ch,ORG_AST);
2055
2056                 /* fill in some ies from channel vary*/
2057                 import_ch(ast, newbc, ch);
2058
2059                 /* Finally The Options Override Everything */
2060                 if (opts)
2061                         misdn_set_opt_exec(ast,opts);
2062                 else
2063                         chan_misdn_log(2,port,"NO OPTS GIVEN\n");
2064
2065                 /*check for bridging*/
2066                 int bridging;
2067                 misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
2068                 if (bridging && ch->other_ch) {
2069 #ifdef MISDN_1_2
2070                         chan_misdn_log(1, port, "Disabling EC (aka Pipeline) on both Sides\n");
2071                         *ch->bc->pipeline=0;
2072                         *ch->other_ch->bc->pipeline=0;
2073 #else
2074                         chan_misdn_log(1, port, "Disabling EC on both Sides\n");
2075                         ch->bc->ec_enable=0;
2076                         ch->other_ch->bc->ec_enable=0;
2077 #endif
2078                 }
2079
2080                 r=misdn_lib_send_event( newbc, EVENT_SETUP );
2081
2082                 /** we should have l3id after sending setup **/
2083                 ch->l3id=newbc->l3_id;
2084         }
2085
2086         if ( r == -ENOCHAN  ) {
2087                 chan_misdn_log(0, port, " --> * Theres no Channel at the moment .. !\n");
2088                 chan_misdn_log(1, port, " --> * SEND: State Down pid:%d\n",newbc?newbc->pid:-1);
2089                 ast->hangupcause=34;
2090                 ast_setstate(ast, AST_STATE_DOWN);
2091                 return -1;
2092         }
2093
2094         chan_misdn_log(2, port, " --> * SEND: State Dialing pid:%d\n",newbc?newbc->pid:1);
2095
2096         ast_setstate(ast, AST_STATE_DIALING);
2097         ast->hangupcause=16;
2098
2099         if (newbc->nt) stop_bc_tones(ch);
2100
2101         ch->state=MISDN_CALLING;
2102
2103         return 0;
2104 }
2105
2106
2107 static int misdn_answer(struct ast_channel *ast)
2108 {
2109         struct chan_list *p;
2110
2111
2112         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast)) ) return -1;
2113
2114         chan_misdn_log(1, p? (p->bc? p->bc->port : 0) : 0, "* ANSWER:\n");
2115
2116         if (!p) {
2117                 ast_log(LOG_WARNING, " --> Channel not connected ??\n");
2118                 ast_queue_hangup(ast);
2119         }
2120
2121         if (!p->bc) {
2122                 chan_misdn_log(1, 0, " --> Got Answer, but theres no bc obj ??\n");
2123
2124                 ast_queue_hangup(ast);
2125         }
2126
2127         {
2128                 const char *tmp_key = pbx_builtin_getvar_helper(p->ast, "CRYPT_KEY");
2129
2130                 if (tmp_key ) {
2131                         chan_misdn_log(1, p->bc->port, " --> Connection will be BF crypted\n");
2132                         {
2133                                 int l = sizeof(p->bc->crypt_key);
2134                                 strncpy(p->bc->crypt_key,tmp_key, l);
2135                                 p->bc->crypt_key[l-1] = 0;
2136                         }
2137                 } else {
2138                         chan_misdn_log(3, p->bc->port, " --> Connection is without BF encryption\n");
2139                 }
2140
2141         }
2142
2143         {
2144                 const char *nodsp=pbx_builtin_getvar_helper(ast, "MISDN_DIGITAL_TRANS");
2145                 if (nodsp) {
2146                         chan_misdn_log(1, p->bc->port, " --> Connection is transparent digital\n");
2147                         p->bc->nodsp=1;
2148                         p->bc->hdlc=0;
2149                         p->bc->nojitter=1;
2150                 }
2151         }
2152
2153         p->state = MISDN_CONNECTED;
2154         stop_indicate(p);
2155
2156         if ( ast_strlen_zero(p->bc->cad) ) {
2157                 chan_misdn_log(2,p->bc->port," --> empty cad using dad\n");
2158                 ast_copy_string(p->bc->cad,p->bc->dad,sizeof(p->bc->cad));
2159         }
2160
2161         misdn_lib_send_event( p->bc, EVENT_CONNECT);
2162         start_bc_tones(p);
2163
2164         return 0;
2165 }
2166
2167 static int misdn_digit_begin(struct ast_channel *chan, char digit)
2168 {
2169         /* XXX Modify this callback to support Asterisk controlling the length of DTMF */
2170         return 0;
2171 }
2172
2173 static int misdn_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
2174 {
2175         struct chan_list *p;
2176
2177         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast))) return -1;
2178
2179         struct misdn_bchannel *bc=p->bc;
2180         chan_misdn_log(1, bc?bc->port:0, "* IND : Digit %c\n",digit);
2181
2182         if (!bc) {
2183                 ast_log(LOG_WARNING, " --> !! Got Digit Event withut having bchannel Object\n");
2184                 return -1;
2185         }
2186
2187         switch (p->state ) {
2188                 case MISDN_CALLING:
2189                 {
2190
2191                         char buf[8];
2192                         buf[0]=digit;
2193                         buf[1]=0;
2194
2195                         int l = sizeof(bc->infos_pending);
2196                         strncat(bc->infos_pending,buf,l);
2197                         bc->infos_pending[l-1] = 0;
2198                 }
2199                 break;
2200                 case MISDN_CALLING_ACKNOWLEDGE:
2201                 {
2202                         bc->info_dad[0]=digit;
2203                         bc->info_dad[1]=0;
2204
2205                         {
2206                                 int l = sizeof(bc->dad);
2207                                 strncat(bc->dad,bc->info_dad, l - strlen(bc->dad));
2208                                 bc->dad[l-1] = 0;
2209                 }
2210                         {
2211                                 int l = sizeof(p->ast->exten);
2212                                 strncpy(p->ast->exten, bc->dad, l);
2213                                 p->ast->exten[l-1] = 0;
2214                         }
2215
2216                         misdn_lib_send_event( bc, EVENT_INFORMATION);
2217                 }
2218                 break;
2219
2220                 default:
2221                         if ( bc->send_dtmf ) {
2222                                 send_digit_to_chan(p,digit);
2223                         }
2224                 break;
2225         }
2226
2227         return 0;
2228 }
2229
2230
2231 static int misdn_fixup(struct ast_channel *oldast, struct ast_channel *ast)
2232 {
2233         struct chan_list *p;
2234
2235         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast) )) return -1;
2236
2237         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);
2238
2239         p->ast = ast ;
2240
2241         return 0;
2242 }
2243
2244
2245
2246 static int misdn_indication(struct ast_channel *ast, int cond, const void *data, size_t datalen)
2247 {
2248         struct chan_list *p;
2249
2250
2251         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast))) {
2252                 ast_log(LOG_WARNING, "Returnded -1 in misdn_indication\n");
2253                 return -1;
2254         }
2255
2256         if (!p->bc ) {
2257                 chan_misdn_log(1, 0, "* IND : Indication from %s\n",ast->exten);
2258                 ast_log(LOG_WARNING, "Private Pointer but no bc ?\n");
2259                 return -1;
2260         }
2261
2262         chan_misdn_log(5, p->bc->port, "* IND : Indication [%d] from %s\n",cond, ast->exten);
2263
2264         switch (cond) {
2265         case AST_CONTROL_BUSY:
2266                 chan_misdn_log(1, p->bc->port, "* IND :\tbusy pid:%d\n",p->bc?p->bc->pid:-1);
2267                 ast_setstate(ast,AST_STATE_BUSY);
2268
2269                 p->bc->out_cause=17;
2270                 if (p->state != MISDN_CONNECTED) {
2271                         start_bc_tones(p);
2272                         misdn_lib_send_event( p->bc, EVENT_DISCONNECT);
2273                 } else {
2274                         chan_misdn_log(-1, p->bc->port, " --> !! Got Busy in Connected State !?! ast:%s\n", ast->name);
2275                 }
2276                 return -1;
2277                 break;
2278         case AST_CONTROL_RING:
2279                 chan_misdn_log(1, p->bc->port, "* IND :\tring pid:%d\n",p->bc?p->bc->pid:-1);
2280                 return -1;
2281                 break;
2282
2283         case AST_CONTROL_RINGING:
2284                 chan_misdn_log(1, p->bc->port, "* IND :\tringing pid:%d\n",p->bc?p->bc->pid:-1);
2285                 switch (p->state) {
2286                         case MISDN_ALERTING:
2287                                 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);
2288                                 break;
2289                         case MISDN_CONNECTED:
2290                                 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);
2291                                 return -1;
2292                                 break;
2293                         default:
2294                                 p->state=MISDN_ALERTING;
2295                                 chan_misdn_log(2, p->bc->port, " --> * IND :\tringing pid:%d\n",p->bc?p->bc->pid:-1);
2296                                 misdn_lib_send_event( p->bc, EVENT_ALERTING);
2297
2298                                 if (p->other_ch && p->other_ch->bc) {
2299                                         if (misdn_inband_avail(p->other_ch->bc)) {
2300                                                 chan_misdn_log(2,p->bc->port, " --> other End is mISDN and has inband info available\n");
2301                                                 break;
2302                                         }
2303
2304                                         if (!p->other_ch->bc->nt) {
2305                                                 chan_misdn_log(2,p->bc->port, " --> other End is mISDN TE so it has inband info for sure (?)\n");
2306                                                 break;
2307                                         }
2308                                 }
2309
2310                                 chan_misdn_log(3, p->bc->port, " --> * SEND: State Ring pid:%d\n",p->bc?p->bc->pid:-1);
2311                                 ast_setstate(ast,AST_STATE_RINGING);
2312
2313                                 if ( !p->bc->nt && (p->originator==ORG_MISDN) && !p->incoming_early_audio )
2314                                         chan_misdn_log(2,p->bc->port, " --> incoming_early_audio off\n");
2315                                 else
2316                                         return -1;
2317                 }
2318                 break;
2319         case AST_CONTROL_ANSWER:
2320                 chan_misdn_log(1, p->bc->port, " --> * IND :\tanswer pid:%d\n",p->bc?p->bc->pid:-1);
2321                 start_bc_tones(p);
2322                 break;
2323         case AST_CONTROL_TAKEOFFHOOK:
2324                 chan_misdn_log(1, p->bc->port, " --> *\ttakeoffhook pid:%d\n",p->bc?p->bc->pid:-1);
2325                 return -1;
2326                 break;
2327         case AST_CONTROL_OFFHOOK:
2328                 chan_misdn_log(1, p->bc->port, " --> *\toffhook pid:%d\n",p->bc?p->bc->pid:-1);
2329                 return -1;
2330                 break;
2331         case AST_CONTROL_FLASH:
2332                 chan_misdn_log(1, p->bc->port, " --> *\tflash pid:%d\n",p->bc?p->bc->pid:-1);
2333                 break;
2334         case AST_CONTROL_PROGRESS:
2335                 chan_misdn_log(1, p->bc->port, " --> * IND :\tprogress pid:%d\n",p->bc?p->bc->pid:-1);
2336                 misdn_lib_send_event( p->bc, EVENT_PROGRESS);
2337                 break;
2338         case AST_CONTROL_PROCEEDING:
2339                 chan_misdn_log(1, p->bc->port, " --> * IND :\tproceeding pid:%d\n",p->bc?p->bc->pid:-1);
2340                 misdn_lib_send_event( p->bc, EVENT_PROCEEDING);
2341                 break;
2342         case AST_CONTROL_CONGESTION:
2343                 chan_misdn_log(1, p->bc->port, " --> * IND :\tcongestion pid:%d\n",p->bc?p->bc->pid:-1);
2344
2345                 p->bc->out_cause=42;
2346                 start_bc_tones(p);
2347                 misdn_lib_send_event( p->bc, EVENT_DISCONNECT);
2348
2349                 if (p->bc->nt) {
2350                         hanguptone_indicate(p);
2351                 }
2352                 break;
2353         case -1 :
2354                 chan_misdn_log(1, p->bc->port, " --> * IND :\t-1! (stop indication) pid:%d\n",p->bc?p->bc->pid:-1);
2355
2356                 stop_indicate(p);
2357
2358                 if (p->state == MISDN_CONNECTED)
2359                         start_bc_tones(p);
2360
2361                 break;
2362
2363         case AST_CONTROL_HOLD:
2364                 chan_misdn_log(1, p->bc->port, " --> *\tHOLD pid:%d\n",p->bc?p->bc->pid:-1);
2365                 break;
2366         case AST_CONTROL_UNHOLD:
2367                 chan_misdn_log(1, p->bc->port, " --> *\tUNHOLD pid:%d\n",p->bc?p->bc->pid:-1);
2368                 break;
2369         default:
2370                 chan_misdn_log(1, p->bc->port, " --> * Unknown Indication:%d pid:%d\n",cond,p->bc?p->bc->pid:-1);
2371         }
2372
2373         return 0;
2374 }
2375
2376 static int misdn_hangup(struct ast_channel *ast)
2377 {
2378         struct chan_list *p;
2379         struct misdn_bchannel *bc=NULL;
2380
2381         if (option_debug)
2382                 ast_log(LOG_DEBUG, "misdn_hangup(%s)\n", ast->name);
2383
2384         if (!ast || ! (p=MISDN_ASTERISK_TECH_PVT(ast) ) ) return -1;
2385
2386         if (!p) {
2387                 chan_misdn_log(3, 0, "misdn_hangup called, without chan_list obj.\n");
2388                 return 0 ;
2389         }
2390
2391         bc=p->bc;
2392
2393         MISDN_ASTERISK_TECH_PVT(ast)=NULL;
2394         p->ast=NULL;
2395
2396         if (ast->_state == AST_STATE_RESERVED ||
2397                 p->state == MISDN_NOTHING ||
2398                 p->state == MISDN_HOLDED ||
2399                 p->state == MISDN_HOLD_DISCONNECT ) {
2400
2401                 CLEAN_CH:
2402                 /* between request and call */
2403                 if (option_debug)
2404                         ast_log(LOG_DEBUG, "State Reserved (or nothing) => chanIsAvail\n");
2405                 MISDN_ASTERISK_TECH_PVT(ast)=NULL;
2406
2407                 cl_dequeue_chan(&cl_te, p);
2408                 close(p->pipe[0]);
2409                 close(p->pipe[1]);
2410                 free(p);
2411
2412                 if (bc)
2413                         misdn_lib_release(bc);
2414
2415                 return 0;
2416         }
2417
2418         if (!bc) {
2419                 ast_log(LOG_WARNING,"Hangup with private but no bc ? state:%s l3id:%x\n", misdn_get_ch_state(p), p->l3id);
2420                 goto CLEAN_CH;
2421         }
2422
2423
2424         p->need_hangup=0;
2425         p->need_queue_hangup=0;
2426         p->need_busy=0;
2427
2428
2429         if (!p->bc->nt)
2430                 stop_bc_tones(p);
2431
2432
2433         {
2434                 const char *varcause=NULL;
2435                 bc->out_cause=ast->hangupcause?ast->hangupcause:16;
2436
2437                 if ( (varcause=pbx_builtin_getvar_helper(ast, "HANGUPCAUSE")) ||
2438                      (varcause=pbx_builtin_getvar_helper(ast, "PRI_CAUSE"))) {
2439                         int tmpcause=atoi(varcause);
2440                         bc->out_cause=tmpcause?tmpcause:16;
2441                 }
2442
2443                 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.cid_num, misdn_get_ch_state(p));
2444                 chan_misdn_log(3, bc->port, " --> l3id:%x\n",p->l3id);
2445                 chan_misdn_log(3, bc->port, " --> cause:%d\n",bc->cause);
2446                 chan_misdn_log(2, bc->port, " --> out_cause:%d\n",bc->out_cause);
2447                 chan_misdn_log(2, bc->port, " --> state:%s\n", misdn_get_ch_state(p));
2448
2449                 switch (p->state) {
2450                 case MISDN_INCOMING_SETUP:
2451                 case MISDN_CALLING:
2452                         p->state=MISDN_CLEANING;
2453                         misdn_lib_send_event( bc, EVENT_RELEASE_COMPLETE);
2454                         break;
2455                 case MISDN_HOLDED:
2456                 case MISDN_DIALING:
2457                         start_bc_tones(p);
2458                         hanguptone_indicate(p);
2459
2460                         if (bc->need_disconnect)
2461                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2462                         break;
2463
2464                 case MISDN_CALLING_ACKNOWLEDGE:
2465                         start_bc_tones(p);
2466                         hanguptone_indicate(p);
2467
2468                         if (bc->need_disconnect)
2469                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2470                         break;
2471
2472                 case MISDN_ALERTING:
2473                 case MISDN_PROGRESS:
2474                 case MISDN_PROCEEDING:
2475                         if (p->originator != ORG_AST)
2476                                 hanguptone_indicate(p);
2477
2478                         /*p->state=MISDN_CLEANING;*/
2479                         if (bc->need_disconnect)
2480                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2481                         break;
2482                 case MISDN_CONNECTED:
2483                 case MISDN_PRECONNECTED:
2484                         /*  Alerting or Disconect */
2485                         if (p->bc->nt) {
2486                                 start_bc_tones(p);
2487                                 hanguptone_indicate(p);
2488                                 p->bc->progress_indicator=8;
2489                         }
2490                         if (bc->need_disconnect)
2491                                 misdn_lib_send_event( bc, EVENT_DISCONNECT);
2492
2493                         /*p->state=MISDN_CLEANING;*/
2494                         break;
2495                 case MISDN_DISCONNECTED:
2496                         misdn_lib_send_event( bc, EVENT_RELEASE);
2497                         p->state=MISDN_CLEANING; /* MISDN_HUNGUP_FROM_AST; */
2498                         break;
2499
2500                 case MISDN_RELEASED:
2501                 case MISDN_CLEANING:
2502                         p->state=MISDN_CLEANING;
2503                         break;
2504
2505                 case MISDN_BUSY:
2506                         break;
2507
2508                 case MISDN_HOLD_DISCONNECT:
2509                         /* need to send release here */
2510                         chan_misdn_log(1, bc->port, " --> cause %d\n",bc->cause);
2511                         chan_misdn_log(1, bc->port, " --> out_cause %d\n",bc->out_cause);
2512
2513                         bc->out_cause=-1;
2514                         misdn_lib_send_event(bc,EVENT_RELEASE);
2515                         p->state=MISDN_CLEANING;
2516                         break;
2517                 default:
2518                         if (bc->nt) {
2519                                 bc->out_cause=-1;
2520                                 misdn_lib_send_event(bc, EVENT_RELEASE);
2521                                 p->state=MISDN_CLEANING;
2522                         } else {
2523                                 if (bc->need_disconnect)
2524                                         misdn_lib_send_event(bc, EVENT_DISCONNECT);
2525                         }
2526                 }
2527
2528                 p->state=MISDN_CLEANING;
2529
2530         }
2531
2532
2533         chan_misdn_log(3, bc->port, " --> Channel: %s hanguped new state:%s\n",ast->name,misdn_get_ch_state(p));
2534
2535         return 0;
2536 }
2537
2538
2539 static struct ast_frame *process_ast_dsp(struct chan_list *tmp, struct ast_frame *frame)
2540 {
2541         struct ast_frame *f,*f2;
2542
2543         if (tmp->trans) {
2544                 f2 = ast_translate(tmp->trans, frame, 0);
2545                 f = ast_dsp_process(tmp->ast, tmp->dsp, f2);
2546         } else {
2547                 chan_misdn_log(0, tmp->bc->port, "No T-Path found\n");
2548                 return NULL;
2549         }
2550
2551
2552         if (!f || (f->frametype != AST_FRAME_DTMF))
2553                 return frame;
2554
2555         if (option_debug)
2556                 ast_log(LOG_DEBUG, "Detected inband DTMF digit: %c\n", f->subclass);
2557
2558         if (tmp->faxdetect && (f->subclass == 'f')) {
2559                 /* Fax tone -- Handle and return NULL */
2560                 if (!tmp->faxhandled) {
2561                         struct ast_channel *ast = tmp->ast;
2562                         tmp->faxhandled++;
2563                         chan_misdn_log(0, tmp->bc->port, "Fax detected, preparing %s for fax transfer.\n", ast->name);
2564                         tmp->bc->rxgain = 0;
2565                         isdn_lib_update_rxgain(tmp->bc);
2566                         tmp->bc->txgain = 0;
2567                         isdn_lib_update_txgain(tmp->bc);
2568 #ifdef MISDN_1_2
2569                         *tmp->bc->pipeline = 0;
2570 #else
2571                         tmp->bc->ec_enable = 0;
2572 #endif
2573                         isdn_lib_update_ec(tmp->bc);
2574                         isdn_lib_stop_dtmf(tmp->bc);
2575                         switch (tmp->faxdetect) {
2576                         case 1:
2577                                 if (strcmp(ast->exten, "fax")) {
2578                                         char *context;
2579                                         char context_tmp[BUFFERSIZE];
2580                                         misdn_cfg_get(tmp->bc->port, MISDN_CFG_FAXDETECT_CONTEXT, &context_tmp, sizeof(context_tmp));
2581                                         context = ast_strlen_zero(context_tmp) ? (ast_strlen_zero(ast->macrocontext) ? ast->context : ast->macrocontext) : context_tmp;
2582                                         if (ast_exists_extension(ast, context, "fax", 1, ast->cid.cid_num)) {
2583                                                 if (option_verbose > 2)
2584                                                         ast_verbose(VERBOSE_PREFIX_3 "Redirecting %s to fax extension (context:%s)\n", ast->name, context);
2585                                                 /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */
2586                                                 pbx_builtin_setvar_helper(ast,"FAXEXTEN",ast->exten);
2587                                                 if (ast_async_goto(ast, context, "fax", 1))
2588                                                         ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", ast->name, context);
2589                                         } else
2590                                                 ast_log(LOG_NOTICE, "Fax detected, but no fax extension ctx:%s exten:%s\n", context, ast->exten);
2591                                 } else {
2592                                         if (option_debug)
2593                                                 ast_log(LOG_DEBUG, "Already in a fax extension, not redirecting\n");
2594                                 }
2595                                 break;
2596                         case 2:
2597                                 ast_verbose(VERBOSE_PREFIX_3 "Not redirecting %s to fax extension, nojump is set.\n", ast->name);
2598                                 break;
2599                         }
2600                 } else {
2601                         if (option_debug)
2602                                 ast_log(LOG_DEBUG, "Fax already handled\n");
2603                 }
2604         }
2605
2606         if (tmp->ast_dsp && (f->subclass != 'f')) {
2607                 chan_misdn_log(2, tmp->bc->port, " --> * SEND: DTMF (AST_DSP) :%c\n", f->subclass);
2608         }
2609
2610         return frame;
2611 }
2612
2613
2614 static struct ast_frame  *misdn_read(struct ast_channel *ast)
2615 {
2616         struct chan_list *tmp;
2617         int len;
2618
2619         if (!ast) {
2620                 chan_misdn_log(1,0,"misdn_read called without ast\n");
2621                 return NULL;
2622         }
2623         if (!(tmp=MISDN_ASTERISK_TECH_PVT(ast))) {
2624                 chan_misdn_log(1,0,"misdn_read called without ast->pvt\n");
2625                 return NULL;
2626         }
2627
2628         if (!tmp->bc && !(tmp->state==MISDN_HOLDED)) {
2629                 chan_misdn_log(1,0,"misdn_read called without bc\n");
2630                 return NULL;
2631         }
2632
2633         len=read(tmp->pipe[0],tmp->ast_rd_buf,sizeof(tmp->ast_rd_buf));
2634
2635         if (len<=0) {
2636                 /* we hangup here, since our pipe is closed */
2637                 chan_misdn_log(2,tmp->bc->port,"misdn_read: Pipe closed, hanging up\n");
2638                 return NULL;
2639         }
2640
2641         tmp->frame.frametype  = AST_FRAME_VOICE;
2642         tmp->frame.subclass = AST_FORMAT_ALAW;
2643         tmp->frame.datalen = len;
2644         tmp->frame.samples = len;
2645         tmp->frame.mallocd = 0;
2646         tmp->frame.offset = 0;
2647         tmp->frame.delivery= ast_tv(0,0) ;
2648         tmp->frame.src = NULL;
2649         tmp->frame.data = tmp->ast_rd_buf;
2650
2651         if (tmp->faxdetect && !tmp->faxhandled) {
2652                 if (tmp->faxdetect_timeout) {
2653                         if (ast_tvzero(tmp->faxdetect_tv)) {
2654                                 tmp->faxdetect_tv = ast_tvnow();
2655                                 chan_misdn_log(2,tmp->bc->port,"faxdetect: starting detection with timeout: %ds ...\n", tmp->faxdetect_timeout);
2656                                 return process_ast_dsp(tmp, &tmp->frame);
2657                         } else {
2658                                 struct timeval tv_now = ast_tvnow();
2659                                 int diff = ast_tvdiff_ms(tv_now, tmp->faxdetect_tv);
2660                                 if (diff <= (tmp->faxdetect_timeout * 1000)) {
2661                                         chan_misdn_log(5,tmp->bc->port,"faxdetect: detecting ...\n");
2662                                         return process_ast_dsp(tmp, &tmp->frame);
2663                                 } else {
2664                                         chan_misdn_log(2,tmp->bc->port,"faxdetect: stopping detection (time ran out) ...\n");
2665                                         tmp->faxdetect = 0;
2666                                         return &tmp->frame;
2667                                 }
2668                         }
2669                 } else {
2670                         chan_misdn_log(5,tmp->bc->port,"faxdetect: detecting ... (no timeout)\n");
2671                         return process_ast_dsp(tmp, &tmp->frame);
2672                 }
2673         } else {
2674                 if (tmp->ast_dsp)
2675                         return process_ast_dsp(tmp, &tmp->frame);
2676                 else
2677                         return &tmp->frame;
2678         }
2679 }
2680
2681
2682 static int misdn_write(struct ast_channel *ast, struct ast_frame *frame)
2683 {
2684         struct chan_list *ch;
2685         int i  = 0;
2686
2687         if (!ast || ! (ch=MISDN_ASTERISK_TECH_PVT(ast)) ) return -1;
2688
2689         if (ch->state == MISDN_HOLDED) {
2690                 chan_misdn_log(7, 0, "misdn_write: Returning because holded\n");
2691                 return 0;
2692         }
2693
2694         if (!ch->bc ) {
2695                 ast_log(LOG_WARNING, "private but no bc\n");
2696                 return -1;
2697         }
2698
2699         if (ch->notxtone) {
2700                 chan_misdn_log(7, ch->bc->port, "misdn_write: Returning because notxone\n");
2701                 return 0;
2702         }
2703
2704
2705         if ( !frame->subclass) {
2706                 chan_misdn_log(4, ch->bc->port, "misdn_write: * prods us\n");
2707                 return 0;
2708         }
2709
2710         if ( !(frame->subclass & prefformat)) {
2711
2712                 chan_misdn_log(-1, ch->bc->port, "Got Unsupported Frame with Format:%d\n", frame->subclass);
2713                 return 0;
2714         }
2715
2716
2717         if ( !frame->samples ) {
2718                 chan_misdn_log(4, ch->bc->port, "misdn_write: zero write\n");
2719
2720                 if (ch->state == MISDN_WAITING4DIGS) {
2721                         chan_misdn_log(4, ch->bc->port, "misdn_write: WAIT4DIGS ..\n");
2722                         return 0;
2723                 }
2724                 return -1;
2725         }
2726
2727         if ( ! ch->bc->addr ) {
2728                 chan_misdn_log(8, ch->bc->port, "misdn_write: no addr for bc dropping:%d\n", frame->samples);
2729                 return 0;
2730         }
2731
2732 #ifdef MISDN_DEBUG
2733         {
2734                 int i, max=5>frame->samples?frame->samples:5;
2735
2736                 printf("write2mISDN %p %d bytes: ", p, frame->samples);
2737
2738                 for (i=0; i<  max ; i++) printf("%2.2x ",((char*) frame->data)[i]);
2739                 printf ("\n");
2740         }
2741 #endif
2742
2743
2744         switch (ch->bc->bc_state) {
2745                 case BCHAN_ACTIVATED:
2746                 case BCHAN_BRIDGED:
2747                         break;
2748                 default:
2749                 if (!ch->dropped_frame_cnt)
2750                         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);
2751
2752                 ch->dropped_frame_cnt++;
2753                 if (ch->dropped_frame_cnt > 100) {
2754                         ch->dropped_frame_cnt=0;
2755                         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);
2756
2757                 }
2758
2759                 return 0;
2760         }
2761
2762         chan_misdn_log(9, ch->bc->port, "Sending :%d bytes 2 MISDN\n",frame->samples);
2763         if ( !ch->bc->nojitter && misdn_cap_is_speech(ch->bc->capability) ) {
2764                 /* Buffered Transmit (triggert by read from isdn side)*/
2765                 if (misdn_jb_fill(ch->jb,frame->data,frame->samples) < 0) {
2766                         if (ch->bc->active)
2767                                 cb_log(0,ch->bc->port,"Misdn Jitterbuffer Overflow.\n");
2768                 }
2769
2770         } else {
2771                 /*transmit without jitterbuffer*/
2772                 i=misdn_lib_tx2misdn_frm(ch->bc, frame->data, frame->samples);
2773         }
2774
2775
2776
2777         return 0;
2778 }
2779
2780
2781
2782
2783 static enum ast_bridge_result  misdn_bridge (struct ast_channel *c0,
2784                                       struct ast_channel *c1, int flags,
2785                                       struct ast_frame **fo,
2786                                       struct ast_channel **rc,
2787                                       int timeoutms)
2788
2789 {
2790         struct chan_list *ch1,*ch2;
2791         struct ast_channel *carr[2], *who;
2792         int to=-1;
2793         struct ast_frame *f;
2794
2795         ch1=get_chan_by_ast(c0);
2796         ch2=get_chan_by_ast(c1);
2797
2798         carr[0]=c0;
2799         carr[1]=c1;
2800
2801         if (ch1 && ch2 ) ;
2802         else
2803                 return -1;
2804
2805         int bridging;
2806         misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
2807         if (bridging) {
2808                 /* trying to make a mISDN_dsp conference */
2809                 chan_misdn_log(1, ch1->bc->port, "I SEND: Making conference with Number:%d\n", ch1->bc->pid +1);
2810                 misdn_lib_bridge(ch1->bc,ch2->bc);
2811         }
2812
2813         if (option_verbose > 2)
2814                 ast_verbose(VERBOSE_PREFIX_3 "Native bridging %s and %s\n", c0->name, c1->name);
2815
2816         chan_misdn_log(1, ch1->bc->port, "* Making Native Bridge between %s and %s\n", ch1->bc->oad, ch2->bc->oad);
2817
2818         if (! (flags&AST_BRIDGE_DTMF_CHANNEL_0) )
2819                 ch1->ignore_dtmf=1;
2820
2821         if (! (flags&AST_BRIDGE_DTMF_CHANNEL_1) )
2822                 ch2->ignore_dtmf=1;
2823
2824         while(1) {
2825                 to=-1;
2826                 who = ast_waitfor_n(carr, 2, &to);
2827
2828                 if (!who) {
2829                         ast_log(LOG_NOTICE,"misdn_bridge: empty read, breaking out\n");
2830                         break;
2831                 }
2832                 f = ast_read(who);
2833
2834                 if (!f || f->frametype == AST_FRAME_CONTROL) {
2835                         /* got hangup .. */
2836
2837                         if (!f)
2838                                 chan_misdn_log(4,ch1->bc->port,"Read Null Frame\n");
2839                         else
2840                                 chan_misdn_log(4,ch1->bc->port,"Read Frame Controll class:%d\n",f->subclass);
2841
2842                         *fo=f;
2843                         *rc=who;
2844
2845                         break;
2846                 }
2847
2848                 if ( f->frametype == AST_FRAME_DTMF ) {
2849                         chan_misdn_log(1,0,"Read DTMF %d from %s\n",f->subclass, who->exten);
2850
2851                         *fo=f;
2852                         *rc=who;
2853                         break;
2854                 }
2855
2856 #if 0
2857                 if (f->frametype == AST_FRAME_VOICE) {
2858                         chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid +1);
2859
2860                         continue;
2861                 }
2862 #endif
2863
2864                 if (who == c0) {
2865                         ast_write(c1,f);
2866                 }
2867                 else {
2868                         ast_write(c0,f);
2869                 }
2870
2871         }
2872
2873         chan_misdn_log(1, ch1->bc->port, "I SEND: Splitting conference with Number:%d\n", ch1->bc->pid +1);
2874
2875         misdn_lib_split_bridge(ch1->bc,ch2->bc);
2876
2877
2878         return AST_BRIDGE_COMPLETE;
2879 }
2880
2881 /** AST INDICATIONS END **/
2882
2883 static int dialtone_indicate(struct chan_list *cl)
2884 {
2885         const struct ind_tone_zone_sound *ts= NULL;
2886         struct ast_channel *ast=cl->ast;
2887
2888         if (!ast) {
2889                 chan_misdn_log(0,cl->bc->port,"No Ast in dialtone_indicate\n");
2890                 return -1;
2891         }
2892
2893         int nd=0;
2894         misdn_cfg_get( cl->bc->port, MISDN_CFG_NODIALTONE, &nd, sizeof(nd));
2895
2896         if (nd) {
2897                 chan_misdn_log(1,cl->bc->port,"Not sending Dialtone, because config wants it\n");
2898                 return 0;
2899         }
2900
2901         chan_misdn_log(3,cl->bc->port," --> Dial\n");
2902         ts=ast_get_indication_tone(ast->zone,"dial");
2903         cl->ts=ts;
2904
2905         if (ts) {
2906                 cl->notxtone=0;
2907                 cl->norxtone=0;
2908                 ast_playtones_start(ast,0, ts->data, 0);
2909                 chan_misdn_log(4,cl->bc->port,"Starting Playtones\n");
2910                 misdn_lib_tone_generator_start(cl->bc);
2911         }
2912
2913         return 0;
2914 }
2915
2916 static int hanguptone_indicate(struct chan_list *cl)
2917 {
2918         misdn_lib_send_tone(cl->bc,TONE_HANGUP);
2919         return 0;
2920 }
2921
2922 static int stop_indicate(struct chan_list *cl)
2923 {
2924         struct ast_channel *ast=cl->ast;
2925
2926         if (!ast) {
2927                 chan_misdn_log(0,cl->bc->port,"No Ast in stop_indicate\n");
2928                 return -1;
2929         }
2930
2931         chan_misdn_log(3,cl->bc->port," --> None\n");
2932         misdn_lib_tone_generator_stop(cl->bc);
2933         ast_playtones_stop(ast);
2934         /*ast_deactivate_generator(ast);*/
2935
2936         return 0;
2937 }
2938
2939
2940 static int start_bc_tones(struct chan_list* cl)
2941 {
2942         misdn_lib_tone_generator_stop(cl->bc);
2943         cl->notxtone=0;
2944         cl->norxtone=0;
2945         return 0;
2946 }
2947
2948 static int stop_bc_tones(struct chan_list *cl)
2949 {
2950         if (!cl) return -1;
2951
2952         cl->notxtone=1;
2953         cl->norxtone=1;
2954
2955         return 0;
2956 }
2957
2958
2959 static struct chan_list *init_chan_list(int orig)
2960 {
2961         struct chan_list *cl=malloc(sizeof(struct chan_list));
2962
2963         if (!cl) {
2964                 chan_misdn_log(-1, 0, "misdn_request: malloc failed!");
2965                 return NULL;
2966         }
2967
2968         memset(cl,0,sizeof(struct chan_list));
2969
2970         cl->originator=orig;
2971         cl->need_queue_hangup=1;
2972         cl->need_hangup=1;
2973         cl->need_busy=1;
2974         cl->overlap_dial_task=-1;
2975
2976         return cl;
2977
2978 }
2979
2980 static struct ast_channel *misdn_request(const char *type, int format, void *data, int *cause)
2981
2982 {
2983         struct ast_channel *tmp = NULL;
2984         char group[BUFFERSIZE+1]="";
2985         char buf[128];
2986         char buf2[128], *ext=NULL, *port_str;
2987         char *tokb=NULL, *p=NULL;
2988         int channel=0, port=0;
2989         struct misdn_bchannel *newbc = NULL;
2990         int dec=0;
2991
2992         struct chan_list *cl=init_chan_list(ORG_AST);
2993
2994         sprintf(buf,"%s/%s",misdn_type,(char*)data);
2995         ast_copy_string(buf2,data, 128);
2996
2997         port_str=strtok_r(buf2,"/", &tokb);
2998
2999         ext=strtok_r(NULL,"/", &tokb);
3000
3001         if (port_str) {
3002                 if (port_str[0]=='g' && port_str[1]==':' ) {
3003                         /* We make a group call lets checkout which ports are in my group */
3004                         port_str += 2;
3005                         strncpy(group, port_str, BUFFERSIZE);
3006                         group[127] = 0;
3007                         chan_misdn_log(2, 0, " --> Group Call group: %s\n",group);
3008                 }
3009                 else if ((p = strchr(port_str, ':'))) {
3010                         /* we have a preselected channel */
3011                         *p = 0;
3012                         channel = atoi(++p);
3013                         port = atoi(port_str);
3014                         chan_misdn_log(2, port, " --> Call on preselected Channel (%d).\n", channel);
3015                 }
3016                 else {
3017                         port = atoi(port_str);
3018                 }
3019         } else {
3020                 ast_log(LOG_WARNING, " --> ! IND : CALL dad:%s WITHOUT PORT/Group, check extension.conf\n",ext);
3021                 return NULL;
3022         }
3023
3024         if (misdn_cfg_is_group_method(group, METHOD_STANDARD_DEC)) {
3025                 chan_misdn_log(4, port, " --> STARTING STANDARDDEC...\n");
3026                 dec=1;
3027         }
3028
3029         if (!ast_strlen_zero(group)) {
3030
3031                 char cfg_group[BUFFERSIZE+1];
3032                 struct robin_list *rr = NULL;
3033
3034                 if (misdn_cfg_is_group_method(group, METHOD_ROUND_ROBIN)) {
3035                         chan_misdn_log(4, port, " --> STARTING ROUND ROBIN...\n");
3036                         rr = get_robin_position(group);
3037                 }
3038
3039
3040                 if (rr) {
3041                         int robin_channel = rr->channel;
3042                         int port_start;
3043                         int next_chan = 1;
3044
3045                         do {
3046                                 port_start = 0;
3047                                 for (port = misdn_cfg_get_next_port_spin(rr->port); port > 0 && port != port_start;
3048                                          port = misdn_cfg_get_next_port_spin(port)) {
3049
3050                                         if (!port_start)
3051                                                 port_start = port;
3052
3053                                         if (port >= port_start)
3054                                                 next_chan = 1;
3055
3056                                         if (port <= port_start && next_chan) {
3057                                                 int maxbchans=misdn_lib_get_maxchans(port);
3058                                                 if (++robin_channel >= maxbchans) {
3059                                                         robin_channel = 1;
3060                                                 }
3061                                                 next_chan = 0;
3062                                         }
3063
3064                                         misdn_cfg_get(port, MISDN_CFG_GROUPNAME, cfg_group, BUFFERSIZE);
3065
3066                                         if (!strcasecmp(cfg_group, group)) {
3067                                                 int port_up;
3068                                                 int check;
3069                                                 misdn_cfg_get(port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(int));
3070                                                 port_up = misdn_lib_port_up(port, check);
3071
3072                                                 if (check && !port_up)
3073                                                         chan_misdn_log(1,port,"L1 is not Up on this Port\n");
3074
3075                                                 if (check && port_up<0) {
3076                                                         ast_log(LOG_WARNING,"This port (%d) is blocked\n", port);
3077                                                 }
3078
3079
3080                                                 if ( port_up>0 )        {
3081                                                         newbc = misdn_lib_get_free_bc(port, robin_channel,0, 0);
3082                                                         if (newbc) {
3083                                                                 chan_misdn_log(4, port, " Success! Found port:%d channel:%d\n", newbc->port, newbc->channel);
3084                                                                 if (port_up)
3085                                                                         chan_misdn_log(4, port, "portup:%d\n",  port_up);
3086                                                                 rr->port = newbc->port;
3087                                                                 rr->channel = newbc->channel;
3088                                                                 break;
3089                                                         }
3090                                                 }
3091                                         }
3092                                 }
3093                         } while (!newbc && robin_channel != rr->channel);
3094
3095                 } else {
3096                         for (port=misdn_cfg_get_next_port(0); port > 0;
3097                                  port=misdn_cfg_get_next_port(port)) {
3098
3099                                 misdn_cfg_get( port, MISDN_CFG_GROUPNAME, cfg_group, BUFFERSIZE);
3100
3101                                 chan_misdn_log(3,port, "Group [%s] Port [%d]\n", group, port);
3102                                 if (!strcasecmp(cfg_group, group)) {
3103                                         int port_up;
3104                                         int check;
3105                                         misdn_cfg_get(port, MISDN_CFG_PMP_L1_CHECK, &check, sizeof(int));
3106                                         port_up = misdn_lib_port_up(port, check);
3107
3108                                         chan_misdn_log(4, port, "portup:%d\n", port_up);
3109
3110                                         if ( port_up>0 ) {
3111                                                 newbc = misdn_lib_get_free_bc(port, 0, 0, dec);
3112                                                 if (newbc)
3113                                                         break;
3114                                         }
3115                                 }
3116                         }
3117                 }
3118
3119                 /* Group dial failed ?*/
3120                 if (!newbc) {
3121                         ast_log(LOG_WARNING,
3122                                         "Could not Dial out on group '%s'.\n"
3123                                         "\tEither the L2 and L1 on all of these ports where DOWN (see 'show application misdn_check_l2l1')\n"
3124                                         "\tOr there was no free channel on none of the ports\n\n"
3125                                         , group);
3126                         return NULL;
3127                 }
3128         } else { /* 'Normal' Port dial * Port dial */
3129                 if (channel)
3130                         chan_misdn_log(1, port," --> preselected_channel: %d\n",channel);
3131                 newbc = misdn_lib_get_free_bc(port, channel, 0, dec);
3132
3133                 if (!newbc) {
3134                         ast_log(LOG_WARNING, "Could not create channel on port:%d with extensions:%s\n",port,ext);
3135                         return NULL;
3136                 }
3137         }
3138
3139
3140         /* create ast_channel and link all the objects together */
3141         cl->bc=newbc;
3142
3143         tmp = misdn_new(cl, AST_STATE_RESERVED, ext, NULL, format, port, channel);
3144         cl->ast=tmp;
3145
3146         /* register chan in local list */
3147         cl_queue_chan(&cl_te, cl) ;
3148
3149         /* fill in the config into the objects */
3150         read_config(cl, ORG_AST);
3151
3152         /* important */
3153         cl->need_hangup=0;
3154
3155         return tmp;
3156 }
3157
3158
3159 static int misdn_send_text (struct ast_channel *chan, const char *text)
3160 {
3161         struct chan_list *tmp=chan->tech_pvt;
3162
3163         if (tmp && tmp->bc) {
3164                 ast_copy_string(tmp->bc->display,text,sizeof(tmp->bc->display));
3165                 misdn_lib_send_event(tmp->bc, EVENT_INFORMATION);
3166         } else {
3167                 ast_log(LOG_WARNING, "No chan_list but send_text request?\n");
3168                 return -1;
3169         }
3170
3171         return 0;
3172 }
3173
3174 static struct ast_channel_tech misdn_tech = {
3175         .type="mISDN",
3176         .description="Channel driver for mISDN Support (Bri/Pri)",
3177         .capabilities= AST_FORMAT_ALAW ,
3178         .requester=misdn_request,
3179         .send_digit_begin=misdn_digit_begin,
3180         .send_digit_end=misdn_digit_end,
3181         .call=misdn_call,
3182         .bridge=misdn_bridge,
3183         .hangup=misdn_hangup,
3184         .answer=misdn_answer,
3185         .read=misdn_read,
3186         .write=misdn_write,
3187         .indicate=misdn_indication,
3188         .fixup=misdn_fixup,
3189         .send_text=misdn_send_text,
3190         .properties=0
3191 };
3192
3193 static struct ast_channel_tech misdn_tech_wo_bridge = {
3194         .type="mISDN",
3195         .description="Channel driver for mISDN Support (Bri/Pri)",
3196         .capabilities=AST_FORMAT_ALAW ,
3197         .requester=misdn_request,
3198         .send_digit_begin=misdn_digit_begin,
3199         .send_digit_end=misdn_digit_end,
3200         .call=misdn_call,
3201         .hangup=misdn_hangup,
3202         .answer=misdn_answer,
3203         .read=misdn_read,
3204         .write=misdn_write,
3205         .indicate=misdn_indication,
3206         .fixup=misdn_fixup,
3207         .send_text=misdn_send_text,
3208         .properties=0
3209 };
3210
3211
3212 static int glob_channel=0;
3213
3214 static void update_name(struct ast_channel *tmp, int port, int c)
3215 {
3216         int chan_offset=0;
3217         int tmp_port = misdn_cfg_get_next_port(0);
3218         for (; tmp_port > 0; tmp_port=misdn_cfg_get_next_port(tmp_port)) {
3219         if (tmp_port == port) break;
3220                 chan_offset+=misdn_lib_port_is_pri(tmp_port)?30:2;
3221         }
3222         if (c<0) c=0;
3223
3224         ast_string_field_build(tmp, name, "%s/%d-u%d",
3225                                  misdn_type, chan_offset+c, glob_channel++);
3226
3227         chan_misdn_log(3,port," --> updating channel name to [%s]\n",tmp->name);
3228
3229 }
3230
3231 static struct ast_channel *misdn_new(struct chan_list *chlist, int state,  char *exten, char *callerid, int format, int port, int c)
3232 {
3233         struct ast_channel *tmp;
3234         char *cid_name = 0, *cid_num = 0;
3235         int chan_offset=0;
3236         int tmp_port = misdn_cfg_get_next_port(0);
3237
3238         for (; tmp_port > 0; tmp_port=misdn_cfg_get_next_port(tmp_port)) {
3239         if (tmp_port == port) break;
3240                 chan_offset+=misdn_lib_port_is_pri(tmp_port)?30:2;
3241         }
3242         if (c<0) c=0;
3243
3244
3245         if (callerid)
3246                 ast_callerid_parse(callerid, &cid_name, &cid_num);
3247
3248         tmp = ast_channel_alloc(1, state, cid_num, cid_name, "", exten, "", 0, "%s/%d-u%d", misdn_type, chan_offset + c, glob_channel++);
3249
3250         if (tmp) {
3251                 chan_misdn_log(2, 0, " --> * NEW CHANNEL dad:%s oad:%s\n",exten,callerid);
3252
3253                 tmp->nativeformats = prefformat;
3254
3255                 tmp->readformat = format;
3256                 tmp->rawreadformat = format;
3257                 tmp->writeformat = format;
3258                 tmp->rawwriteformat = format;
3259
3260                 tmp->tech_pvt = chlist;
3261
3262                 int bridging;
3263                 misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
3264                 if (bridging)
3265                         tmp->tech = &misdn_tech;
3266                 else
3267                         tmp->tech = &misdn_tech_wo_bridge;
3268
3269                 tmp->writeformat = format;
3270                 tmp->readformat = format;
3271                 tmp->priority=1;
3272
3273                 if (exten)
3274                         ast_copy_string(tmp->exten, exten,  sizeof(tmp->exten));
3275                 else
3276                         chan_misdn_log(1,0,"misdn_new: no exten given.\n");
3277
3278                 if (callerid) {
3279                         char *cid_name, *cid_num;
3280
3281                         ast_callerid_parse(callerid, &cid_name, &cid_num);
3282                         /* Don't use ast_set_callerid() here because it will
3283                          * generate a needless NewCallerID event */
3284                         tmp->cid.cid_num = ast_strdup(cid_num);
3285                         tmp->cid.cid_ani = ast_strdup(cid_num);
3286                         tmp->cid.cid_name = ast_strdup(cid_name);
3287                 }
3288
3289                 {
3290                         if (pipe(chlist->pipe)<0)
3291                                 perror("Pipe failed\n");
3292
3293                         tmp->fds[0]=chlist->pipe[0];
3294
3295                 }
3296
3297                 if (state == AST_STATE_RING)
3298                         tmp->rings = 1;
3299                 else
3300                         tmp->rings = 0;
3301
3302
3303         } else {
3304                 chan_misdn_log(-1,0,"Unable to allocate channel structure\n");
3305         }
3306
3307         return tmp;
3308 }
3309
3310 static struct chan_list *find_chan_by_bc(struct chan_list *list, struct misdn_bchannel *bc)
3311 {
3312         struct chan_list *help=list;
3313         for (;help; help=help->next) {
3314                 if (help->bc == bc) return help;
3315         }
3316
3317         chan_misdn_log(6, bc->port, "$$$ find_chan: No channel found for oad:%s dad:%s\n",bc->oad,bc->dad);
3318
3319         return NULL;
3320 }
3321
3322 static struct chan_list *find_chan_by_pid(struct chan_list *list, int pid)
3323 {
3324         struct chan_list *help=list;
3325         for (;help; help=help->next) {
3326                 if ( help->bc && (help->bc->pid == pid) ) return help;
3327         }
3328
3329         chan_misdn_log(6, 0, "$$$ find_chan: No channel found for pid:%d\n",pid);
3330
3331         return NULL;
3332 }
3333
3334 static struct chan_list *find_holded(struct chan_list *list, struct misdn_bchannel *bc)
3335 {
3336         struct chan_list *help=list;
3337
3338         chan_misdn_log(6, bc->port, "$$$ find_holded: channel:%d oad:%s dad:%s\n",bc->channel, bc->oad,bc->dad);
3339         for (;help; help=help->next) {
3340                 chan_misdn_log(4, bc->port, "$$$ find_holded: --> holded:%d channel:%d\n",help->state==MISDN_HOLDED, help->hold_info.channel);
3341                 if (    (help->state == MISDN_HOLDED) &&
3342                         (help->hold_info.port == bc->port) )
3343                         return help;
3344         }
3345         chan_misdn_log(6, bc->port, "$$$ find_chan: No channel found for oad:%s dad:%s\n",bc->oad,bc->dad);
3346
3347         return NULL;
3348 }
3349
3350
3351 static struct chan_list *find_holded_l3(struct chan_list *list, unsigned long l3_id, int w)
3352
3353 {
3354         struct chan_list *help=list;
3355
3356         for (;help; help=help->next) {
3357                 if ( (help->state == MISDN_HOLDED) &&
3358                          (help->l3id == l3_id)
3359                         )
3360                         return help;
3361         }
3362
3363         return NULL;
3364 }
3365
3366 static void cl_queue_chan(struct chan_list **list, struct chan_list *chan)
3367 {
3368         chan_misdn_log(4, chan->bc? chan->bc->port : 0, "* Queuing chan %p\n",chan);
3369
3370         ast_mutex_lock(&cl_te_lock);
3371         if (!*list) {
3372                 *list = chan;
3373         } else {
3374                 struct chan_list *help=*list;
3375                 for (;help->next; help=help->next);
3376                 help->next=chan;
3377         }
3378         chan->next=NULL;
3379         ast_mutex_unlock(&cl_te_lock);
3380 }
3381
3382 static void cl_dequeue_chan(struct chan_list **list, struct chan_list *chan)
3383 {
3384         if (chan->dsp)
3385                 ast_dsp_free(chan->dsp);
3386         if (chan->trans)
3387                 ast_translator_free_path(chan->trans);
3388
3389
3390
3391         ast_mutex_lock(&cl_te_lock);
3392         if (!*list) {
3393                 ast_mutex_unlock(&cl_te_lock);
3394                 return;
3395         }
3396
3397         if (*list == chan) {
3398                 *list=(*list)->next;
3399                 ast_mutex_unlock(&cl_te_lock);
3400                 return ;
3401         }
3402
3403         {
3404                 struct chan_list *help=*list;
3405                 for (;help->next; help=help->next) {
3406                         if (help->next == chan) {
3407                                 help->next=help->next->next;
3408                                 ast_mutex_unlock(&cl_te_lock);
3409                                 return;
3410                         }
3411                 }
3412         }
3413
3414         ast_mutex_unlock(&cl_te_lock);
3415 }
3416
3417 /** Channel Queue End **/
3418
3419
3420 int pbx_start_chan(struct chan_list *ch)
3421 {
3422         int ret=ast_pbx_start(ch->ast);
3423
3424         if (ret>=0)
3425                 ch->need_hangup=0;
3426         else
3427                 ch->need_hangup=1;
3428
3429         return ret;
3430 }
3431
3432 static void hangup_chan(struct chan_list *ch)
3433 {
3434         int port=ch?ch->bc?ch->bc->port:0:0;
3435         if (!ch) {
3436                 cb_log(1,0,"Cannot hangup chan, no ch\n");
3437                 return;
3438         }
3439
3440         cb_log(5,port,"hangup_chan called\n");
3441
3442         if (ch->need_hangup)
3443         {
3444                 cb_log(2,port," --> hangup\n");
3445                 send_cause2ast(ch->ast,ch->bc,ch);
3446                 ch->need_hangup=0;
3447                 ch->need_queue_hangup=0;
3448                 if (ch->ast)
3449                         ast_hangup(ch->ast);
3450                 return;
3451         }
3452
3453         if (!ch->need_queue_hangup) {
3454                 cb_log(2,port," --> No need to queue hangup\n");
3455         }
3456
3457         ch->need_queue_hangup=0;
3458         if (ch->ast) {
3459                 send_cause2ast(ch->ast,ch->bc,ch);
3460
3461                 if (ch->ast)
3462                         ast_queue_hangup(ch->ast);
3463                 cb_log(2,port," --> queue_hangup\n");
3464         } else {
3465                 cb_log(1,port,"Cannot hangup chan, no ast\n");
3466         }
3467 }
3468
3469 /** Isdn asks us to release channel, pendant to misdn_hangup **/
3470 static void release_chan(struct misdn_bchannel *bc) {
3471         struct ast_channel *ast=NULL;
3472         {
3473                 struct chan_list *ch=find_chan_by_bc(cl_te, bc);
3474                 if (!ch)  {
3475                         chan_misdn_log(1, bc->port, "release_chan: Ch not found!\n");
3476                         return;
3477                 }
3478
3479                 if (ch->ast) {
3480                         ast=ch->ast;
3481                 }
3482
3483                 chan_misdn_log(5, bc->port, "release_chan: bc with l3id: %x\n",bc->l3_id);
3484
3485                 /*releaseing jitterbuffer*/
3486                 if (ch->jb ) {
3487                         misdn_jb_destroy(ch->jb);
3488                         ch->jb=NULL;
3489                 } else {
3490                         if (!bc->nojitter)
3491                                 chan_misdn_log(5,bc->port,"Jitterbuffer already destroyed.\n");
3492                 }
3493
3494                 if (ch->overlap_dial) {
3495                         if (ch->overlap_dial_task != -1) {
3496                                 misdn_tasks_remove(ch->overlap_dial_task);
3497                                 ch->overlap_dial_task = -1;
3498                         }
3499                         ast_mutex_destroy(&ch->overlap_tv_lock);
3500                 }
3501
3502                 if (ch->originator == ORG_AST) {
3503                         misdn_out_calls[bc->port]--;
3504                 } else {
3505                         misdn_in_calls[bc->port]--;
3506                 }
3507
3508                 if (ch) {
3509
3510                         close(ch->pipe[0]);
3511                         close(ch->pipe[1]);
3512
3513
3514                         if (ast && MISDN_ASTERISK_TECH_PVT(ast)) {
3515                                 chan_misdn_log(1, bc->port, "* RELEASING CHANNEL pid:%d ctx:%s dad:%s oad:%s state: %s\n",bc?bc->pid:-1, ast->context, ast->exten,ast->cid.cid_num,misdn_get_ch_state(ch));
3516                                 chan_misdn_log(3, bc->port, " --> * State Down\n");
3517                                 MISDN_ASTERISK_TECH_PVT(ast)=NULL;
3518
3519
3520                                 if (ast->_state != AST_STATE_RESERVED) {
3521                                         chan_misdn_log(3, bc->port, " --> Setting AST State to down\n");
3522                                         ast_setstate(ast, AST_STATE_DOWN);
3523                                 }
3524                         }
3525
3526                         ch->state=MISDN_CLEANING;
3527                         cl_dequeue_chan(&cl_te, ch);
3528
3529                         free(ch);
3530                 } else {
3531                         /* chan is already cleaned, so exiting  */
3532                 }
3533         }
3534 }
3535 /*** release end **/
3536
3537 static void misdn_transfer_bc(struct chan_list *tmp_ch, struct chan_list *holded_chan)
3538 {
3539         chan_misdn_log(4,0,"TRANSFERING %s to %s\n",holded_chan->ast->name, tmp_ch->ast->name);
3540
3541         tmp_ch->state=MISDN_HOLD_DISCONNECT;
3542
3543         ast_moh_stop(ast_bridged_channel(holded_chan->ast));
3544
3545         holded_chan->state=MISDN_CONNECTED;
3546         //misdn_lib_transfer(holded_chan->bc);
3547         ast_channel_masquerade(holded_chan->ast, ast_bridged_channel(tmp_ch->ast));
3548 }
3549
3550
3551 static void do_immediate_setup(struct misdn_bchannel *bc,struct chan_list *ch , struct ast_channel *ast)
3552 {
3553         char predial[256]="";
3554         char *p = predial;
3555
3556         struct ast_frame fr;
3557
3558         strncpy(predial, ast->exten, sizeof(predial) -1 );
3559
3560         ch->state=MISDN_DIALING;
3561
3562         if (!ch->noautorespond_on_setup) {
3563                 if (bc->nt) {
3564                         int ret;
3565                         ret = misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE );
3566                 } else {
3567                         int ret;
3568                         if ( misdn_lib_is_ptp(bc->port)) {
3569                                 ret = misdn_lib_send_event(bc, EVENT_SETUP_ACKNOWLEDGE );
3570                         } else {
3571                                 ret = misdn_lib_send_event(bc, EVENT_PROCEEDING );
3572                         }
3573                 }
3574         } else {
3575                 ch->state = MISDN_INCOMING_SETUP;
3576         }
3577
3578         if ( !bc->nt && (ch->originator==ORG_MISDN) && !ch->incoming_early_audio )
3579                 chan_misdn_log(1,bc->port, " --> incoming_early_audio off\n");
3580          else
3581                 dialtone_indicate(ch);
3582
3583         chan_misdn_log(1, bc->port, "* Starting Ast ctx:%s dad:%s oad:%s with 's' extension\n", ast->context, ast->exten, ast->cid.cid_num);
3584