port.cpp

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** PBX4Linux                                                                 **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** port                                                                      **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include <stdio.h>
  13 #include <string.h>
  14 #include <stdlib.h>
  15 #include <sys/types.h>
  16 #include <sys/stat.h>
  17 #include <fcntl.h>
  18 #include <unistd.h>
  19 #include <errno.h>
  20 #include "main.h"
  21
  22 #define BETTERDELAY
  23
  24 //#define MIXER_DEBUG /* debug mixer buffer overflow and underrun */
  25
  26 class Port *port_first = NULL;
  27
  28 unsigned long port_serial = 1; /* must be 1, because 0== no port */
  29
  30
  31 /* free epointlist relation
  32  */
  33 void Port::free_epointlist(struct epoint_list *epointlist)
  34 {
  35         struct epoint_list *temp, **tempp;
  36
  37         temp = p_epointlist;
  38         tempp = &p_epointlist;
  39         while(temp)
  40         {
  41                 if (temp == epointlist)
  42                         break;
  43
  44                 tempp = &temp->next;
  45                 temp = temp->next;
  46         }
  47         if (temp == 0)
  48         {
  49                 PERROR("SOFTWARE ERROR: epointlist not in port's list.\n");
  50                 return;
  51         }
  52         /* detach */
  53         *tempp=temp->next;
  54
  55         /* free */
  56         PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial);
  57         memset(temp, 0, sizeof(struct epoint_list));
  58         free(temp);
  59         ememuse--;
  60 }
  61
  62
  63 void Port::free_epointid(unsigned long epoint_id)
  64 {
  65         struct epoint_list *temp, **tempp;
  66
  67         temp = p_epointlist;
  68         tempp = &p_epointlist;
  69         while(temp)
  70         {
  71                 if (temp->epoint_id == epoint_id)
  72                         break;
  73
  74                 tempp = &temp->next;
  75                 temp = temp->next;
  76         }
  77         if (temp == 0)
  78         {
  79                 PERROR("epoint_id not in port's list, exitting.\n");
  80                 return;
  81         }
  82         /* detach */
  83         *tempp=temp->next;
  84
  85         /* free */
  86         PDEBUG(DEBUG_EPOINT, "PORT(%d) removed epoint from port\n", p_serial);
  87         memset(temp, 0, sizeof(struct epoint_list));
  88         free(temp);
  89         ememuse--;
  90 }
  91
  92
  93 /* create new epointlist relation
  94  */
  95 struct epoint_list *Port::epointlist_new(unsigned long epoint_id)
  96 {
  97         struct epoint_list *epointlist, **epointlistpointer;
  98
  99         /* epointlist structure */
 100         epointlist = (struct epoint_list *)calloc(1, sizeof(struct epoint_list));
 101         if (!epointlist)
 102         {
 103                 PERROR("no mem for allocating epoint_list\n");
 104                 return(0);
 105         }
 106         ememuse++;
 107         PDEBUG(DEBUG_EPOINT, "PORT(%d) allocating epoint_list.\n", p_serial);
 108         memset(epointlist, 0, sizeof(struct epoint_list));
 109
 110         /* add epoint_list to chain */
 111         epointlist->next = NULL;
 112         epointlistpointer = &p_epointlist;
 113         while(*epointlistpointer)
 114                 epointlistpointer = &((*epointlistpointer)->next);
 115         *epointlistpointer = epointlist;
 116
 117         /* link to epoint */
 118         epointlist->epoint_id = epoint_id;
 119         epointlist->active = 1;
 120
 121         return(epointlist);
 122 }
 123
 124
 125 /*
 126  * port constructor
 127  */
 128 Port::Port(int type, char *portname, struct port_settings *settings)
 129 {
 130         class Port *temp, **tempp;
 131
 132         PDEBUG(DEBUG_PORT, "new port of type %d, name '%s'\n", type, portname);
 133
 134         /* initialize object */
 135         if (settings)
 136                 memcpy(&p_settings, settings, sizeof(struct port_settings));
 137         else
 138         {
 139                 memset(&p_settings, 0, sizeof(p_settings));
 140                 SCPY(p_settings.tones_dir, options.tones_dir);
 141         }
 142         SCPY(p_name, portname);
 143         SCPY(p_tone_dir, p_settings.tones_dir); // just to be sure
 144         p_last_tv_sec = 0;
 145         p_last_tv_msec = 0;
 146         p_type = type;
 147         p_serial = port_serial++;
 148         p_debug_nothingtosend = 0;
 149         p_tone_fh = -1;
 150         p_tone_fetched = NULL;
 151         p_tone_name[0] = '\0';
 152 //      p_knock_fh = -1;
 153 //      p_knock_fetched = NULL;
 154         p_state = PORT_STATE_IDLE;
 155         p_epointlist = NULL;
 156         memset(&p_callerinfo, 0, sizeof(p_callerinfo));
 157         memset(&p_dialinginfo, 0, sizeof(p_dialinginfo));
 158         memset(&p_connectinfo, 0, sizeof(p_connectinfo));
 159         memset(&p_redirinfo, 0, sizeof(p_redirinfo));
 160         memset(&p_capainfo, 0, sizeof(p_capainfo));
 161         memset(p_mixer_buffer, 0, sizeof(p_mixer_buffer));
 162         memset(p_record_buffer, 0, sizeof(p_record_buffer));
 163         memset(p_stereo_buffer, 0, sizeof(p_stereo_buffer));
 164         p_mixer_rel = NULL;
 165         p_mixer_readp = 0;
 166         p_echotest = 0;
 167         next = NULL;
 168         p_record = NULL;
 169         p_record_type = 0;
 170         p_record_length = 0;
 171         p_record_filename[0] = '\0';
 172
 173         /* append port to chain */
 174         temp = port_first;
 175         tempp = &port_first;
 176         while(temp)
 177         {
 178                 tempp = &temp->next;
 179                 temp = temp->next;
 180         }
 181         *tempp = this;
 182
 183         classuse++;
 184 }
 185
 186
 187 /*
 188  * port destructor
 189  */
 190 Port::~Port(void)
 191 {
 192         struct mixer_relation *relation, *rtemp;
 193         class Port *temp, **tempp;
 194         struct message *message;
 195
 196         if (p_record)
 197                 close_record(0);
 198
 199         classuse--;
 200
 201         PDEBUG(DEBUG_PORT, "removing port of type %d, name '%s'\n", p_type, p_name);
 202
 203         /* free mixer relation chain */
 204         relation = p_mixer_rel;
 205         while(relation)
 206         {
 207                 rtemp = relation;
 208                 relation = relation->next;
 209                 memset(rtemp, 0, sizeof(struct mixer_relation));
 210                 free(rtemp);
 211                 pmemuse--;
 212         }
 213         p_mixer_rel = NULL; /* beeing paranoid */
 214
 215         /* disconnect port from endpoint */
 216         while(p_epointlist)
 217         {
 218                 /* send disconnect */
 219                 message = message_create(p_serial, p_epointlist->epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
 220                 message->param.disconnectinfo.cause = 16;
 221                 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
 222                 message_put(message);
 223                 /* remove endpoint */
 224                 free_epointlist(p_epointlist);
 225         }
 226
 227         /* remove port from chain */
 228         temp=port_first;
 229         tempp=&port_first;
 230         while(temp)
 231         {
 232                 if (temp == this)
 233                         break;
 234                 tempp = &temp->next;
 235                 temp = temp->next;
 236         }
 237         if (temp == NULL)
 238         {
 239                 PERROR("PORT(%s) port not in port's list.\n", p_name);
 240                 exit(-1);
 241         }
 242         /* detach */
 243         *tempp=this->next;
 244
 245         /* close open tones file */
 246         if (p_tone_fh >= 0)
 247         {
 248                 close(p_tone_fh);
 249                 p_tone_fh = -1;
 250                 fhuse--;
 251         }
 252         p_tone_fetched = NULL;
 253 }
 254
 255 PORT_STATE_NAMES
 256
 257 /* set new endpoint state
 258  */
 259 void Port::new_state(int state)
 260 {
 261         PDEBUG(DEBUG_PORT, "PORT(%s) new state %s --> %s\n", p_name, state_name[p_state], state_name[state]);
 262         p_state = state;
 263 }
 264
 265
 266 /*
 267  * find the port with port_id
 268  */
 269 class Port *find_port_id(unsigned long port_id)
 270 {
 271         class Port *port = port_first;
 272
 273         while(port)
 274         {
 275 //printf("comparing: '%s' with '%s'\n", name, port->name);
 276                 if (port->p_serial == port_id)
 277                         return(port);
 278                 port = port->next;
 279         }
 280
 281         return(NULL);
 282 }
 283
 284
 285 /*
 286  * set echotest
 287  */
 288 void Port::set_echotest(int echotest)
 289 {
 290         p_echotest = echotest;
 291 }
 292
 293
 294 /*
 295  * set the file in the tone directory with the given name
 296  */
 297 void Port::set_tone(char *dir, char *name)
 298 {
 299         int fh;
 300         char filename[128];
 301
 302         if (name == NULL)
 303                 name = "";
 304
 305         /* no counter, no eof, normal speed */
 306         p_tone_counter = 0;
 307         p_tone_eof = 0;
 308         p_tone_speed = 1;
 309         p_tone_codec = CODEC_LAW;
 310
 311         if (p_tone_fh >= 0)
 312         {
 313                 close(p_tone_fh);
 314                 p_tone_fh = -1;
 315                 fhuse--;
 316         }
 317         p_tone_fetched = NULL;
 318
 319         if (name[0])
 320         {
 321                 if (name[0] == '/')
 322                 {
 323                         SPRINT(p_tone_name, "%s", name);
 324                         p_tone_dir[0] = '\0';
 325                 } else
 326                 {
 327                         SCPY(p_tone_dir, dir);
 328                         SCPY(p_tone_name, name);
 329                 }
 330         } else
 331         {
 332                 p_tone_name[0]= '\0';
 333                 p_tone_dir[0]= '\0';
 334                 return;
 335         }
 336
 337         if (!!strncmp(name,"cause_",6))
 338                 return;
 339
 340         /* now we check if the cause exists, otherwhise we use error tone. */
 341         if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, 0, 0)))
 342         {
 343                 p_tone_fetched = NULL;
 344                 return;
 345         }
 346         SPRINT(filename, "%s_loop", p_tone_name);
 347         if ((p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, 0, 0)))
 348         {
 349                 p_tone_fetched = NULL;
 350                 return;
 351         }
 352         SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
 353         if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0)
 354         {
 355                 close(fh);
 356                 return;
 357         }
 358         SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name);
 359         if ((fh=open_tone(filename, &p_tone_codec, 0, 0)) >= 0)
 360         {
 361                 close(fh);
 362                 return;
 363         }
 364
 365         if (!strcmp(name,"cause_00") || !strcmp(name,"cause_10"))
 366         {
 367                 PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using release tone\n", p_name, name+6);
 368                 SPRINT(p_tone_name,"release");
 369         } else
 370         if (!strcmp(name,"cause_11"))
 371         {
 372                 PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using busy tone\n", p_name, name+6);
 373                 SPRINT(p_tone_name,"busy");
 374         } else
 375         {
 376                 PDEBUG(DEBUG_PORT, "PORT(%s) Given Cause 0x%s has no tone, using error tone\n", p_name, name+6);
 377                 SPRINT(p_tone_name,"error");
 378         }
 379 }
 380
 381
 382 /*
 383  * set the file in the tone directory for vbox playback
 384  * also set the play_eof-flag
 385  */
 386 void Port::set_vbox_tone(char *dir, char *name)
 387 {
 388         char filename[256];
 389
 390         p_tone_speed = 1;
 391         p_tone_counter = 0;
 392         p_tone_codec = CODEC_LAW;
 393         p_tone_eof = 1;
 394
 395         if (p_tone_fh >= 0)
 396         {
 397                 close(p_tone_fh);
 398                 p_tone_fh = -1;
 399                 fhuse--;
 400         }
 401         p_tone_fetched = NULL;
 402
 403         SPRINT(p_tone_dir,  dir);
 404         SPRINT(p_tone_name,  name);
 405
 406         /* now we check if the cause exists, otherwhise we use error tone. */
 407         if (p_tone_dir[0])
 408         {
 409                 if ((p_tone_fetched=open_tone_fetched(p_tone_dir, p_tone_name, &p_tone_codec, &p_tone_size, &p_tone_left)))
 410                 {
 411                         PDEBUG(DEBUG_PORT, "PORT(%s) opening fetched tone: %s\n", p_name, p_tone_name);
 412                         return;
 413                 }
 414                 SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
 415                 if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0)
 416                 {
 417                         fhuse++;
 418                         PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename);
 419                         return;
 420                 }
 421         } else
 422         {
 423                 SPRINT(filename, "%s", p_tone_name);
 424                 if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) >= 0)
 425                 {
 426                         fhuse++;
 427                         PDEBUG(DEBUG_PORT, "PORT(%s) opening tone: %s\n", p_name, filename);
 428                         return;
 429                 }
 430         }
 431 }
 432
 433
 434 /*
 435  * set the file in the given directory for vbox playback
 436  * also set the eof-flag
 437  * also set the counter-flag
 438  */
 439 void Port::set_vbox_play(char *name, int offset)
 440 {
 441         signed long size;
 442         struct message *message;
 443
 444         /* use ser_box_tone() */
 445         set_vbox_tone("", name);
 446         if (p_tone_fh < 0)
 447                 return;
 448
 449         /* enable counter */
 450         p_tone_counter = 1;
 451
 452         /* seek */
 453         if (p_tone_name[0])
 454         {
 455                 /* send message with counter value */
 456                 if (p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist))
 457                 {
 458                         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER);
 459                         message->param.counter.current = offset;
 460                         message->param.counter.max = size;
 461                         message_put(message);
 462                 }
 463         }
 464 }
 465
 466
 467 /*
 468  * set the playback speed (for recording playback with different speeds)
 469  */
 470 void Port::set_vbox_speed(int speed)
 471 {
 472         /* enable vbox play mode */
 473         p_tone_speed = speed;
 474 }
 475
 476 /*
 477  * read from the given file as specified in port_set_tone and return sample data
 478  * silence is appended if sample ends, but only the number of samples with tones are returned
 479  */
 480 int Port::read_audio(unsigned char *buffer, int length)
 481 {
 482         int l,len;
 483         int readp;
 484         int nodata=0; /* to detect 0-length files and avoid endless reopen */
 485         char filename[128];
 486         int tone_left_before; /* temp variable to determine the change in p_tone_left */
 487
 488         /* nothing */
 489         if (length == 0)
 490                 return(0);
 491
 492         len = length;
 493         codec_in = p_tone_codec;
 494
 495         /* if there is no tone set, use silence */
 496         if (p_tone_name[0] == 0)
 497         {
 498 rest_is_silence:
 499                 memset(buffer, (options.law=='a')?0x2a:0xff, len); /* silence */
 500                 goto done;
 501         }
 502
 503         /* if the file pointer is not open, we open it */
 504         if (p_tone_fh<0 && p_tone_fetched==NULL)
 505         {
 506                 if (p_tone_dir[0])
 507                 {
 508                         SPRINT(filename, "%s", p_tone_name);
 509                         /* if file does not exist */
 510                         if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left)))
 511                         {
 512                                 SPRINT(filename, "%s/%s/%s", INSTALL_DATA, p_tone_dir, p_tone_name);
 513                                 /* if file does not exist */
 514                                 if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
 515                                 {
 516                                         PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename);
 517                                         goto try_loop;
 518                                 }
 519                                 fhuse++;
 520                         }
 521                 } else
 522                 {
 523                         SPRINT(filename, "%s", p_tone_name);
 524                         /* if file does not exist */
 525                         if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
 526                         {
 527                                 PDEBUG(DEBUG_PORT, "PORT(%s) no tone: %s\n", p_name, filename);
 528                                 goto try_loop;
 529                         }
 530                         fhuse++;
 531                 }
 532                 PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename);
 533         }
 534
 535 read_more:
 536         /* file descriptor is open read data */
 537         tone_left_before = p_tone_left;
 538         if (p_tone_fh >= 0)
 539         {
 540                 l = read_tone(p_tone_fh, buffer, p_tone_codec, len, p_tone_size, &p_tone_left, p_tone_speed);
 541                 if (l<0 || l>len) /* paranoia */
 542                         l=0;
 543                 buffer += l;
 544                 len -= l;
 545         }
 546         if (p_tone_fetched)
 547         {
 548                 l = read_tone_fetched(&p_tone_fetched, buffer, len, p_tone_size, &p_tone_left, p_tone_speed);
 549                 if (l<0 || l>len) /* paranoia */
 550                         l=0;
 551                 buffer += l;
 552                 len -= l;
 553         }
 554
 555         /* if counter is enabled, we check if we have a change */
 556         if (p_tone_counter && p_tone_size>=0 && ACTIVE_EPOINT(p_epointlist))
 557         {
 558                 /* if we jumed to the next second */
 559                 if (((p_tone_size-p_tone_left)/8000) != (p_tone_size-tone_left_before)/8000)
 560                 {
 561 //printf("\nsize=%d left=%d\n\n",p_tone_size,p_tone_left);
 562                         struct message *message;
 563                         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_COUNTER);
 564                         message->param.counter.current = (p_tone_size-p_tone_left)/8000;
 565                         message->param.counter.max = -1;
 566                         message_put(message);
 567                 }
 568         }
 569
 570         if (len==0)
 571                 goto done;
 572
 573         if (p_tone_fh >= 0)
 574         {
 575                 close(p_tone_fh);
 576                 p_tone_fh = -1;
 577                 fhuse--;
 578         }
 579         p_tone_fetched = NULL;
 580
 581         if (l)
 582                 nodata=0;
 583
 584         /* if the file has 0-length */
 585         if (nodata>1)
 586         {
 587                 PDEBUG(DEBUG_PORT, "PORT(%s) 0-length loop: %s\n", p_name, filename);
 588                 p_tone_name[0]=0;
 589                 p_tone_dir[0]=0;
 590                 goto rest_is_silence;
 591         }
 592
 593         /* if eof is reached, or if the normal file cannot be opened, continue with the loop file if possible */
 594 try_loop:
 595         if (p_tone_eof && ACTIVE_EPOINT(p_epointlist))
 596         {
 597                 struct message *message;
 598                 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_TONE_EOF);
 599                 message_put(message);
 600         }
 601
 602         if (p_tone_dir[0])
 603         {
 604                 /* if file does not exist */
 605                 SPRINT(filename, "%s_loop", p_tone_name);
 606                 if (!(p_tone_fetched=open_tone_fetched(p_tone_dir, filename, &p_tone_codec, &p_tone_size, &p_tone_left)))
 607                 {
 608                         SPRINT(filename, "%s/%s/%s_loop", INSTALL_DATA, p_tone_dir, p_tone_name);
 609                         /* if file does not exist */
 610                         if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
 611                         {
 612                                 PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename);
 613                                 p_tone_dir[0] = '\0';
 614                                 p_tone_name[0] = '\0';
 615                 //              codec_in = CODEC_LAW;
 616                                 goto rest_is_silence;
 617                         }
 618                         fhuse++;
 619                 }
 620         } else
 621         {
 622                 SPRINT(filename, "%s_loop", p_tone_name);
 623                 /* if file does not exist */
 624                 if ((p_tone_fh=open_tone(filename, &p_tone_codec, &p_tone_size, &p_tone_left)) < 0)
 625                 {
 626                         PDEBUG(DEBUG_PORT, "PORT(%s) no tone loop: %s\n",p_name, filename);
 627                         p_tone_dir[0] = '\0';
 628                         p_tone_name[0] = '\0';
 629         //              codec_in = CODEC_LAW;
 630                         goto rest_is_silence;
 631                 }
 632                 fhuse++;
 633         }
 634         nodata++;
 635         PDEBUG(DEBUG_PORT, "PORT(%s) opening %stone: %s\n", p_name, p_tone_fetched?"fetched ":"", filename);
 636
 637         /* now we have opened the loop */
 638         goto read_more;
 639
 640 done:
 641         return(length-len);
 642 }
 643
 644
 645 /*
 646  * dummy for transmit function, since this must be inherited
 647  */
 648 void Port::transmit(unsigned char *buffer, int length, int tonelength)
 649 {
 650 }
 651
 652
 653 /* port handler:
 654  * process transmission clock */
 655 int Port::handler(void)
 656 {
 657         return(0);
 658 }
 659
 660 /* endpoint sends messages to the port
 661  * this is called by the message_epoint inherited by child classes
 662  * therefor a return=1 means: stop, no more processing
 663  */
 664 //extern struct message *dddebug;
 665 int Port::message_epoint(unsigned long epoint_id, int message_id, union parameter *param)
 666 {
 667         /* check if we got audio data from one remote port */
 668         switch(message_id)
 669         {
 670                 case MESSAGE_TONE: /* play tone */
 671                 PDEBUG(DEBUG_PORT, "PORT(%s) isdn port with (caller id %s) setting tone '%s' dir '%s'\n", p_name, p_callerinfo.id, param->tone.name, param->tone.dir);
 672                 set_tone(param->tone.dir,param->tone.name);
 673                 return(1);
 674
 675                 case MESSAGE_DATA:
 676 //printf("port=%s, epoint=%d\n",p_cardname, epoint->e_serial);
 677                 mixer(param);
 678                 return(1);
 679
 680                 case MESSAGE_VBOX_TONE: /* play tone of answering machine */
 681                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine tone '%s' '%s'\n", p_name, param->tone.dir, param->tone.name);
 682                 set_vbox_tone(param->tone.dir, param->tone.name);
 683                 return(1);
 684
 685                 case MESSAGE_VBOX_PLAY: /* play recording of answering machine */
 686                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine file to play '%s' (offset %d seconds)\n", p_name, param->play.file, param->play.offset);
 687                 set_vbox_play(param->play.file, param->play.offset);
 688                 return(1);
 689
 690                 case MESSAGE_VBOX_PLAY_SPEED: /* set speed of playback (recording of answering machine) */
 691                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine playback speed %d (times)\n", p_name, param->speed);
 692                 set_vbox_speed(param->speed);
 693                 return(1);
 694
 695         }
 696
 697         return(0);
 698 }
 699
 700
 701 /*
 702  * special function generate individual isdn debug logs
 703  */
 704 void Port::printisdn(char *fmt, ...)
 705 {
 706         char buffer[4096];
 707         char name[128];
 708         va_list args;
 709         FILE *fp;
 710
 711         va_start(args,fmt);
 712         VUNPRINT(buffer,sizeof(buffer)-1,fmt,args);
 713         buffer[sizeof(buffer)-1]=0;
 714         va_end(args);
 715
 716         PDEBUG_RUNTIME(NULL, 0, DEBUG_PORT, "PORT(%s serial=%ld): %s\n", p_name, p_serial, buffer);
 717         if (options.deb & DEBUG_LOG)
 718         {
 719                 SPRINT(name, "%s/debug_%s.log", INSTALL_DATA, p_name);
 720                 if (!(fp = fopen(name, "a")))
 721                         return;
 722
 723                 fprintf(fp, "%04d.%02d.%02d %02d:%02d:%02d %s(%ld): %s", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec, p_name, p_serial, buffer);
 724                 fclose(fp);
 725         }
 726 }
 727
 728
 729 /* wave header structure */
 730 struct fmt {
 731         unsigned short  stereo; /* 1 = mono, 2 = stereo */
 732         unsigned short  channels; /* number of channels */
 733         unsigned long   sample_rate; /* sample rate */
 734         unsigned long   data_rate; /* data rate */
 735         unsigned short  bytes_sample; /* bytes per sample (all channels) */
 736         unsigned short  bits_sample; /* bits per sample (one channel) */
 737 };
 738
 739
 740 /*
 741  * open record file (actually a wave file with empty header which will be
 742  * written before close, because we do not know the size yet)
 743  * type=1 record annoucement,  type=0 record audio stream, type=2 record vbox
 744  */
 745 int Port::open_record(int type, int vbox, int skip, char *terminal, int anon_ignore, char *vbox_email, int vbox_email_file)
 746 {
 747         /* RIFFxxxxWAVEfmt xxxx(fmt-size)dataxxxx... */
 748         char dummyheader[8+4+8+sizeof(fmt)+8];
 749         char filename[256];
 750
 751         if (!terminal)
 752         {
 753                 PERROR("Port(%d) not a terminal\n", p_serial);
 754                 return(0);
 755         }
 756         SCPY(p_record_extension, terminal);
 757         p_record_anon_ignore = anon_ignore;
 758         SCPY(p_record_vbox_email, vbox_email);
 759         p_record_vbox_email_file = vbox_email_file;
 760
 761         if (p_record)
 762         {
 763                 PERROR("Port(%d) already recording\n", p_serial);
 764                 return(0);
 765         }
 766
 767         if (vbox != 0)
 768                 SPRINT(filename, "%s/%s/%s/vbox", INSTALL_DATA, options.extensions_dir, p_record_extension);
 769         else
 770                 SPRINT(filename, "%s/%s/%s/recordings", INSTALL_DATA, options.extensions_dir, p_record_extension);
 771         if (mkdir(filename, 0755) < 0)
 772         {
 773                 if (errno != EEXIST)
 774                 {
 775                         PERROR("Port(%d) cannot create directory '%s'\n", p_serial, filename);
 776                         return(0);
 777                 }
 778         }
 779
 780         if (vbox == 1)
 781                 UPRINT(strchr(filename,'\0'), "/announcement");
 782         else
 783                 UPRINT(strchr(filename,'\0'), "/%04d-%02d-%02d_%02d%02d%02d", now_tm->tm_year+1900, now_tm->tm_mon+1, now_tm->tm_mday, now_tm->tm_hour, now_tm->tm_min, now_tm->tm_sec);
 784         if (vbox == 2)
 785         {
 786                 p_record_vbox_year = now_tm->tm_year;
 787                 p_record_vbox_mon = now_tm->tm_mon;
 788                 p_record_vbox_mday = now_tm->tm_mday;
 789                 p_record_vbox_hour = now_tm->tm_hour;
 790                 p_record_vbox_min = now_tm->tm_min;
 791         }
 792
 793         /* check, if file exists (especially when an extension calls the same extension) */
 794         if (vbox != 1)
 795         if ((p_record = fopen(filename, "r")))
 796         {
 797                 fclose(p_record);
 798                 SCAT(filename, "_2nd");
 799         }
 800
 801         p_record = fopen(filename, "w");
 802         if (!p_record)
 803         {
 804                 PERROR("Port(%d) cannot record because file cannot be opened '%s'\n", p_serial, filename);
 805                 return(0);
 806         }
 807         fduse++;
 808
 809         p_record_type = type;
 810         p_record_vbox = vbox;
 811         p_record_skip = skip;
 812         p_record_length = 0;
 813         switch(p_record_type)
 814         {
 815                 case CODEC_MONO:
 816                 case CODEC_STEREO:
 817                 case CODEC_8BIT:
 818                 fwrite(dummyheader, sizeof(dummyheader), 1, p_record);
 819                 break;
 820
 821                 case CODEC_LAW:
 822                 break;
 823         }
 824         UCPY(p_record_filename, filename);
 825
 826         PDEBUG(DEBUG_PORT, "Port(%d) recording started with file name '%s'\n", p_serial, filename);
 827         return(1);
 828 }
 829
 830
 831 /*
 832  * close the recoding file, put header in front and rename
 833  */
 834 void Port::close_record(int beep)
 835 {
 836         static signed long beep_mono[] = {-10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000};
 837         static unsigned char beep_8bit[] = {48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208, 48, 208};
 838         unsigned long size, wsize;
 839         struct fmt fmt;
 840         char filename[512], indexname[512];
 841         FILE *fp;
 842         int i, ii;
 843         char number[256], callerid[256];
 844         char *p;
 845         struct caller_info callerinfo;
 846         char *valid_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890_.-!$%&/()=+*;~";
 847
 848         if (!p_record)
 849                 return;
 850
 851         memcpy(&callerinfo, &p_callerinfo, sizeof(struct caller_info));
 852         apply_callerid_restriction(p_record_anon_ignore, -1, callerinfo.id, &callerinfo.ntype, &callerinfo.present, &callerinfo.screen, callerinfo.voip, callerinfo.intern, callerinfo.name);
 853
 854         SCPY(number, p_dialinginfo.number);
 855         SCPY(callerid, numberrize_callerinfo(callerinfo.id, callerinfo.ntype));
 856         if (callerid[0] == '\0')
 857         {
 858                 if (callerinfo.present == INFO_PRESENT_RESTRICTED)
 859                         UCPY(callerid,"anonymous");
 860                 else
 861                         UCPY(callerid,"unknown");
 862         }
 863
 864         /* change verboten digits */
 865         p = callerid;
 866         while((p=strchr(p,'*')))
 867                 *(p++) = 'x';
 868         p = callerid;
 869         while((p=strchr(p,'/')))
 870                 *(p++) = 'x';
 871         p = number;
 872         while((p=strchr(p,'*')))
 873                 *(p++) = 'x';
 874         p = number;
 875         while((p=strchr(p,'/')))
 876                 *(p++) = 'x';
 877         i = 0;
 878         ii = strlen(callerid);
 879         while(i < ii)
 880         {
 881                 if (!strchr(valid_chars, callerid[i]))
 882                         callerid[i] = '_';
 883                 i++;
 884         }
 885         i = 0;
 886         ii = strlen(number);
 887         while(i < ii)
 888         {
 889                 if (!strchr(valid_chars, number[i]))
 890                         number[i] = '_';
 891                 i++;
 892         }
 893
 894         /* add beep to the end of recording */
 895         if (beep)
 896         switch(p_record_type)
 897         {
 898                 case CODEC_MONO:
 899                 i = 0;
 900                 while(i < beep)
 901                 {
 902                         fwrite(beep_mono, sizeof(beep_mono), 1, p_record);
 903                         i += sizeof(beep_mono);
 904                         p_record_length += sizeof(beep_mono);
 905                 }
 906                 break;
 907                 case CODEC_8BIT:
 908                 i = 0;
 909                 while(i < beep)
 910                 {
 911                         fwrite(beep_8bit, sizeof(beep_8bit), 1, p_record);
 912                         i += sizeof(beep_8bit);
 913                         p_record_length += sizeof(beep_8bit);
 914                 }
 915                 break;
 916 #if 0
 917                 case CODEC_LAW:
 918                 i = 0;
 919                 while(i < beep)
 920                 {
 921                         fwrite(beep_law, sizeof(beep_law), 1, p_record);
 922                         i += sizeof(beep_law);
 923                         p_record_length += sizeof(beep_law);
 924                 }
 925                 break;
 926 #endif
 927                 default:
 928                 PERROR("codec %d not supported for beep adding\n", p_record_type);
 929         }
 930
 931         /* complete header */
 932         switch(p_record_type)
 933         {
 934                 case CODEC_MONO:
 935                 case CODEC_STEREO:
 936                 case CODEC_8BIT:
 937                 /* cue */
 938                 fprintf(p_record, "cue %c%c%c%c%c%c%c%c", 4, 0, 0, 0, 0,0,0,0);
 939
 940                 /* LIST */
 941                 fprintf(p_record, "LIST%c%c%c%cadtl", 4, 0, 0, 0);
 942
 943                 /* go to header */
 944                 fseek(p_record, 0, SEEK_SET);
 945
 946                 /* WAVEfmt xxxx(fmt-size)dataxxxx[data]cue xxxx0000LISTxxxxadtl*/
 947                 size = p_record_length;
 948                 wsize = 4+8+sizeof(fmt)+8+size+8+4+8+4;
 949
 950                 /* RIFF */
 951                 fprintf(p_record, "RIFF%c%c%c%c", (unsigned char)(wsize&0xff), (unsigned char)((wsize>>8)&0xff), (unsigned char)((wsize>>16)&0xff), (unsigned char)(wsize>>24));
 952
 953                 /* WAVE */
 954                 fprintf(p_record, "WAVE");
 955
 956                 /* fmt */
 957                 fprintf(p_record, "fmt %c%c%c%c", sizeof(fmt), 0, 0, 0);
 958                 switch(p_record_type)
 959                 {
 960                         case CODEC_MONO:
 961                         fmt.stereo = 1;
 962                         fmt.channels = 1;
 963                         fmt.sample_rate = 8000; /* samples/sec */
 964                         fmt.data_rate = 16000; /* full data rate */
 965                         fmt.bytes_sample = 2; /* all channels */
 966                         fmt.bits_sample = 16; /* one channel */
 967                         break;
 968
 969                         case CODEC_STEREO:
 970                         fmt.stereo = 1;
 971                         fmt.channels = 2;
 972                         fmt.sample_rate = 8000; /* samples/sec */
 973                         fmt.data_rate = 32000; /* full data rate */
 974                         fmt.bytes_sample = 4; /* all channels */
 975                         fmt.bits_sample = 16; /* one channel */
 976                         break;
 977
 978                         case CODEC_8BIT:
 979                         fmt.stereo = 1;
 980                         fmt.channels = 1;
 981                         fmt.sample_rate = 8000; /* samples/sec */
 982                         fmt.data_rate = 8000; /* full data rate */
 983                         fmt.bytes_sample = 1; /* all channels */
 984                         fmt.bits_sample = 8; /* one channel */
 985                         break;
 986                 }
 987                 fwrite(&fmt, sizeof(fmt), 1, p_record);
 988
 989                 /* data */
 990                 fprintf(p_record, "data%c%c%c%c", (unsigned char)(size&0xff), (unsigned char)((size>>8)&0xff), (unsigned char)((size>>16)&0xff), (unsigned char)(size>>24));
 991
 992                 /* rename file */
 993                 if (p_record_vbox == 1)
 994                         SPRINT(filename, "%s.wav", p_record_filename);
 995                 else
 996                         SPRINT(filename, "%s_%s-%s.wav", p_record_filename, callerid, number);
 997                 break;
 998
 999                 case CODEC_LAW:
1000                 /* rename file */
1001                 if (p_record_vbox == 1)
1002                         SPRINT(filename, "%s.isdn", p_record_filename);
1003                 else
1004                         SPRINT(filename, "%s_%s-%s.isdn", p_record_filename, callerid, number);
1005                 break;
1006
1007                 default:
1008                 if (p_record_vbox == 1)
1009                         SPRINT(filename, "%s.unknown", p_record_filename);
1010                 else
1011                         SPRINT(filename, "%s_%s-%s.unknown", p_record_filename, callerid, number);
1012         }
1013
1014         fclose(p_record);
1015         fduse--;
1016         p_record = NULL;
1017
1018         if (rename(p_record_filename, filename) < 0)
1019         {
1020                 PERROR("Port(%d) cannot rename from '%s' to '%s'\n", p_serial, p_record_filename, filename);
1021                 return;
1022         }
1023
1024         PDEBUG(DEBUG_PORT, "Port(%d) recording is written and renamed to '%s' and must have the following size:%lu raw:%lu samples:%lu\n", p_serial, filename, wsize+8, size, size>>1);
1025
1026         if (p_record_vbox == 2)
1027         {
1028                 SPRINT(indexname, "%s/%s/%s/vbox/index", INSTALL_DATA, options.extensions_dir, p_record_extension);
1029                 if ((fp = fopen(indexname,"a")))
1030                 {
1031                         fduse++;
1032
1033                         /* remove path from file name */
1034                         p = filename;
1035                         while(strchr(p, '/'))
1036                                 p = strchr(p, '/')+1;
1037                         fprintf(fp, "%s %d %d %d %d %d %s\n", p, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, callerid);
1038
1039                         fclose(fp);
1040                         fduse--;
1041                 } else
1042                 {
1043                         PERROR("Port(%d) cannot open index file '%s' to append.\n", p_serial, indexname);
1044                 }
1045
1046                 /* send email with sample*/
1047                 if (p_record_vbox_email[0])
1048                 {
1049                         send_mail(p_record_vbox_email_file?filename:(char *)"", callerid, callerinfo.intern, callerinfo.name, p_record_vbox_email, p_record_vbox_year, p_record_vbox_mon, p_record_vbox_mday, p_record_vbox_hour, p_record_vbox_min, p_record_extension);
1050                 }
1051         }
1052 }
1053
1054
1055