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: /* tx-data from upper layer */
 676                 fromup(param->data.data, param->data.len);
 677                 return(1);
 678
 679                 case MESSAGE_VBOX_TONE: /* play tone of answering machine */
 680                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine tone '%s' '%s'\n", p_name, param->tone.dir, param->tone.name);
 681                 set_vbox_tone(param->tone.dir, param->tone.name);
 682                 return(1);
 683
 684                 case MESSAGE_VBOX_PLAY: /* play recording of answering machine */
 685                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine file to play '%s' (offset %d seconds)\n", p_name, param->play.file, param->play.offset);
 686                 set_vbox_play(param->play.file, param->play.offset);
 687                 return(1);
 688
 689                 case MESSAGE_VBOX_PLAY_SPEED: /* set speed of playback (recording of answering machine) */
 690                 PDEBUG(DEBUG_PORT, "PORT(%s) set answering machine playback speed %d (times)\n", p_name, param->speed);
 691                 set_vbox_speed(param->speed);
 692                 return(1);
 693
 694         }
 695
 696         return(0);
 697 }
 698
 699
 700 /*
 701  * special function generate individual isdn debug logs
 702  */
 703 void Port::printisdn(char *fmt, ...)
 704 {
 705         char buffer[4096];
 706         char name[128];
 707         va_list args;
 708         FILE *fp;
 709
 710         va_start(args,fmt);
 711         VUNPRINT(buffer,sizeof(buffer)-1,fmt,args);
 712         buffer[sizeof(buffer)-1]=0;
 713         va_end(args);
 714
 715         PDEBUG_RUNTIME(NULL, 0, DEBUG_PORT, "PORT(%s serial=%ld): %s\n", p_name, p_serial, buffer);
 716         if (options.deb & DEBUG_LOG)
 717         {
 718                 SPRINT(name, "%s/debug_%s.log", INSTALL_DATA, p_name);
 719                 if (!(fp = fopen(name, "a")))
 720                         return;
 721
 722                 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);
 723                 fclose(fp);
 724         }
 725 }
 726
 727
 728 /* wave header structure */
 729 struct fmt {
 730         unsigned short  stereo; /* 1 = mono, 2 = stereo */
 731         unsigned short  channels; /* number of channels */
 732         unsigned long   sample_rate; /* sample rate */
 733         unsigned long   data_rate; /* data rate */
 734         unsigned short  bytes_sample; /* bytes per sample (all channels) */
 735         unsigned short  bits_sample; /* bits per sample (one channel) */
 736 };
 737
 738
 739 /*
 740  * open record file (actually a wave file with empty header which will be
 741  * written before close, because we do not know the size yet)
 742  * type=1 record annoucement,  type=0 record audio stream, type=2 record vbox
 743  */
 744 int Port::open_record(int type, int vbox, int skip, char *extension, int anon_ignore, char *vbox_email, int vbox_email_file)
 745 {
 746         /* RIFFxxxxWAVEfmt xxxx(fmt-size)dataxxxx... */
 747         char dummyheader[8+4+8+sizeof(fmt)+8];
 748         char filename[256];
 749
 750         if (!extension)
 751         {
 752                 PERROR("Port(%d) not an extension\n", p_serial);
 753                 return(0);
 754         }
 755         SCPY(p_record_extension, extension);
 756         p_record_anon_ignore = anon_ignore;
 757         SCPY(p_record_vbox_email, vbox_email);
 758         p_record_vbox_email_file = vbox_email_file;
 759
 760         if (p_record)
 761         {
 762                 PERROR("Port(%d) already recording\n", p_serial);
 763                 return(0);
 764         }
 765
 766         if (vbox != 0)
 767                 SPRINT(filename, "%s/%s/%s/vbox", INSTALL_DATA, options.extensions_dir, p_record_extension);
 768         else
 769                 SPRINT(filename, "%s/%s/%s/recordings", INSTALL_DATA, options.extensions_dir, p_record_extension);
 770         if (mkdir(filename, 0755) < 0)
 771         {
 772                 if (errno != EEXIST)
 773                 {
 774                         PERROR("Port(%d) cannot create directory '%s'\n", p_serial, filename);
 775                         return(0);
 776                 }
 777         }
 778
 779         if (vbox == 1)
 780                 UPRINT(strchr(filename,'\0'), "/announcement");
 781         else
 782                 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);
 783         if (vbox == 2)
 784         {
 785                 p_record_vbox_year = now_tm->tm_year;
 786                 p_record_vbox_mon = now_tm->tm_mon;
 787                 p_record_vbox_mday = now_tm->tm_mday;
 788                 p_record_vbox_hour = now_tm->tm_hour;
 789                 p_record_vbox_min = now_tm->tm_min;
 790         }
 791
 792         /* check, if file exists (especially when an extension calls the same extension) */
 793         if (vbox != 1)
 794         if ((p_record = fopen(filename, "r")))
 795         {
 796                 fclose(p_record);
 797                 SCAT(filename, "_2nd");
 798         }
 799
 800         p_record = fopen(filename, "w");
 801         if (!p_record)
 802         {
 803                 PERROR("Port(%d) cannot record because file cannot be opened '%s'\n", p_serial, filename);
 804                 return(0);
 805         }
 806         fduse++;
 807
 808         p_record_type = type;
 809         p_record_vbox = vbox;
 810         p_record_skip = skip;
 811         p_record_length = 0;
 812         switch(p_record_type)
 813         {
 814                 case CODEC_MONO:
 815                 case CODEC_STEREO:
 816                 case CODEC_8BIT:
 817                 fwrite(dummyheader, sizeof(dummyheader), 1, p_record);
 818                 break;
 819
 820                 case CODEC_LAW:
 821                 break;
 822         }
 823         UCPY(p_record_filename, filename);
 824
 825         PDEBUG(DEBUG_PORT, "Port(%d) recording started with file name '%s'\n", p_serial, filename);
 826         return(1);
 827 }
 828
 829
 830 /*
 831  * close the recoding file, put header in front and rename
 832  */
 833 void Port::close_record(int beep)
 834 {
 835         static signed long beep_mono[] = {-10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000, -10000, 10000};
 836         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};
 837         unsigned long size, wsize;
 838         struct fmt fmt;
 839         char filename[512], indexname[512];
 840         FILE *fp;
 841         int i, ii;
 842         char number[256], callerid[256];
 843         char *p;
 844         struct caller_info callerinfo;
 845         char *valid_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890_.-!$%&/()=+*;~";
 846
 847         if (!p_record)
 848                 return;
 849
 850         memcpy(&callerinfo, &p_callerinfo, sizeof(struct caller_info));
 851         apply_callerid_restriction(p_record_anon_ignore, -1, callerinfo.id, &callerinfo.ntype, &callerinfo.present, &callerinfo.screen, callerinfo.voip, callerinfo.intern, callerinfo.name);
 852
 853         SCPY(number, p_dialinginfo.number);
 854         SCPY(callerid, numberrize_callerinfo(callerinfo.id, callerinfo.ntype));
 855         if (callerid[0] == '\0')
 856         {
 857                 if (callerinfo.present == INFO_PRESENT_RESTRICTED)
 858                         UCPY(callerid,"anonymous");
 859                 else
 860                         UCPY(callerid,"unknown");
 861         }
 862
 863         /* change verboten digits */
 864         p = callerid;
 865         while((p=strchr(p,'*')))
 866                 *(p++) = 'x';
 867         p = callerid;
 868         while((p=strchr(p,'/')))
 869                 *(p++) = 'x';
 870         p = number;
 871         while((p=strchr(p,'*')))
 872                 *(p++) = 'x';
 873         p = number;
 874         while((p=strchr(p,'/')))
 875                 *(p++) = 'x';
 876         i = 0;
 877         ii = strlen(callerid);
 878         while(i < ii)
 879         {
 880                 if (!strchr(valid_chars, callerid[i]))
 881                         callerid[i] = '_';
 882                 i++;
 883         }
 884         i = 0;
 885         ii = strlen(number);
 886         while(i < ii)
 887         {
 888                 if (!strchr(valid_chars, number[i]))
 889                         number[i] = '_';
 890                 i++;
 891         }
 892
 893         /* add beep to the end of recording */
 894         if (beep)
 895         switch(p_record_type)
 896         {
 897                 case CODEC_MONO:
 898                 i = 0;
 899                 while(i < beep)
 900                 {
 901                         fwrite(beep_mono, sizeof(beep_mono), 1, p_record);
 902                         i += sizeof(beep_mono);
 903                         p_record_length += sizeof(beep_mono);
 904                 }
 905                 break;
 906                 case CODEC_8BIT:
 907                 i = 0;
 908                 while(i < beep)
 909                 {
 910                         fwrite(beep_8bit, sizeof(beep_8bit), 1, p_record);
 911                         i += sizeof(beep_8bit);
 912                         p_record_length += sizeof(beep_8bit);
 913                 }
 914                 break;
 915 #if 0
 916                 case CODEC_LAW:
 917                 i = 0;
 918                 while(i < beep)
 919                 {
 920                         fwrite(beep_law, sizeof(beep_law), 1, p_record);
 921                         i += sizeof(beep_law);
 922                         p_record_length += sizeof(beep_law);
 923                 }
 924                 break;
 925 #endif
 926                 default:
 927                 PERROR("codec %d not supported for beep adding\n", p_record_type);
 928         }
 929
 930         /* complete header */
 931         switch(p_record_type)
 932         {
 933                 case CODEC_MONO:
 934                 case CODEC_STEREO:
 935                 case CODEC_8BIT:
 936                 /* cue */
 937                 fprintf(p_record, "cue %c%c%c%c%c%c%c%c", 4, 0, 0, 0, 0,0,0,0);
 938
 939                 /* LIST */
 940                 fprintf(p_record, "LIST%c%c%c%cadtl", 4, 0, 0, 0);
 941
 942                 /* go to header */
 943                 fseek(p_record, 0, SEEK_SET);
 944
 945                 /* WAVEfmt xxxx(fmt-size)dataxxxx[data]cue xxxx0000LISTxxxxadtl*/
 946                 size = p_record_length;
 947                 wsize = 4+8+sizeof(fmt)+8+size+8+4+8+4;
 948
 949                 /* RIFF */
 950                 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));
 951
 952                 /* WAVE */
 953                 fprintf(p_record, "WAVE");
 954
 955                 /* fmt */
 956                 fprintf(p_record, "fmt %c%c%c%c", sizeof(fmt), 0, 0, 0);
 957                 switch(p_record_type)
 958                 {
 959                         case CODEC_MONO:
 960                         fmt.stereo = 1;
 961                         fmt.channels = 1;
 962                         fmt.sample_rate = 8000; /* samples/sec */
 963                         fmt.data_rate = 16000; /* full data rate */
 964                         fmt.bytes_sample = 2; /* all channels */
 965                         fmt.bits_sample = 16; /* one channel */
 966                         break;
 967
 968                         case CODEC_STEREO:
 969                         fmt.stereo = 1;
 970                         fmt.channels = 2;
 971                         fmt.sample_rate = 8000; /* samples/sec */
 972                         fmt.data_rate = 32000; /* full data rate */
 973                         fmt.bytes_sample = 4; /* all channels */
 974                         fmt.bits_sample = 16; /* one channel */
 975                         break;
 976
 977                         case CODEC_8BIT:
 978                         fmt.stereo = 1;
 979                         fmt.channels = 1;
 980                         fmt.sample_rate = 8000; /* samples/sec */
 981                         fmt.data_rate = 8000; /* full data rate */
 982                         fmt.bytes_sample = 1; /* all channels */
 983                         fmt.bits_sample = 8; /* one channel */
 984                         break;
 985                 }
 986                 fwrite(&fmt, sizeof(fmt), 1, p_record);
 987
 988                 /* data */
 989                 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));
 990
 991                 /* rename file */
 992                 if (p_record_vbox == 1)
 993                         SPRINT(filename, "%s.wav", p_record_filename);
 994                 else
 995                         SPRINT(filename, "%s_%s-%s.wav", p_record_filename, callerid, number);
 996                 break;
 997
 998                 case CODEC_LAW:
 999                 /* rename file */
1000                 if (p_record_vbox == 1)
1001                         SPRINT(filename, "%s.isdn", p_record_filename);
1002                 else
1003                         SPRINT(filename, "%s_%s-%s.isdn", p_record_filename, callerid, number);
1004                 break;
1005         }
1006
1007         fclose(p_record);
1008         fduse--;
1009         p_record = NULL;
1010
1011         if (rename(p_record_filename, filename) < 0)
1012         {
1013                 PERROR("Port(%d) cannot rename from '%s' to '%s'\n", p_serial, p_record_filename, filename);
1014                 return;
1015         }
1016
1017         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);
1018
1019         if (p_record_vbox == 2)
1020         {
1021                 SPRINT(indexname, "%s/%s/%s/vbox/index", INSTALL_DATA, options.extensions_dir, p_record_extension);
1022                 if ((fp = fopen(indexname,"a")))
1023                 {
1024                         fduse++;
1025
1026                         /* remove path from file name */
1027                         p = filename;
1028                         while(strchr(p, '/'))
1029                                 p = strchr(p, '/')+1;
1030                         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);
1031
1032                         fclose(fp);
1033                         fduse--;
1034                 } else
1035                 {
1036                         PERROR("Port(%d) cannot open index file '%s' to append.\n", p_serial, indexname);
1037                 }
1038
1039                 /* send email with sample*/
1040                 if (p_record_vbox_email[0])
1041                 {
1042                         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);
1043                 }
1044         }
1045 }
1046
1047
1048 /*
1049  * recording function
1050  * Records all data from down and from up into one single stream.
1051  * Both streams may have gaps or jitter.
1052  * A Jitter buffer for both streams is used to compensate jitter.
1053  *
1054  * If one stream (dir) received packets, they are stored to a
1055  * buffer to wait for the other stream (dir), so both streams can
1056  * be combined. If the buffer is full, it's read pointer is written
1057  * without mixing stream.
1058  * A flag is used to indicate what stream is currently in buffer.
1059  *
1060  * NOTE: First stereo sample (odd) is from down, second is from up.
1061  */
1062 alle buffer initialisieren
1063 record nur aufrufen, wenn recorded wird.
1064 restlicher buffer wegschreiben beim schliessen
1065 void Port::record(char *data, int length, int dir_fromup)
1066 {
1067         unsigned char write_buffer[1024], *d;
1068         signed short *s;
1069         int r, w;
1070         signed long sample;
1071
1072         /* no recording */
1073         if (!p_record || !length)
1074                 return;
1075
1076         free = ((p_record_buffer_readp - p_record_buffer_writep - 1) & RECORD_BUFFER_MASK);
1077
1078         /* the buffer stores the same data stream */
1079         if (dir_fromup == p_record_buffer_dir)
1080         {
1081                 same_again:
1082
1083                 /* first write what we can to the buffer */
1084                 while(free && length)
1085                 {
1086                         p_record_buffer[p_record_buffer_writep] = audio_law_to_s32(*data++);
1087                         p_record_buffer_writep = (p_record_buffer_writep + 1) & RECORD_BUFFER_MASK;
1088                         free--;
1089                         length--;
1090                 }
1091                 /* all written, so we return */
1092                 if (!length)
1093                         return;
1094                 /* still data left, buffer is full, so we need to write to file */
1095                 switch(p_record_type)
1096                 {
1097                         case CODEC_MONO:
1098                         s = (signed short *)write_buffer;
1099                         i = 0;
1100                         while(i < 256)
1101                         {
1102                                 *s++ = p_record_buffer[p_record_buffer_readp];
1103                                 p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1104                                 i++;
1105                         }
1106                         fwrite(write_buffer, 512, 1, p_record);
1107                         break;
1108
1109                         case CODEC_STEREO:
1110                         s = (signed short *)write_buffer;
1111                         if (p_record_buffer_dir)
1112                         {
1113                                 i = 0;
1114                                 while(i < 256)
1115                                 {
1116                                         *s++ = 0; /* nothing from down */
1117                                         *s++ = p_record_buffer[p_record_buffer_readp];
1118                                         p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1119                                         i++;
1120                                 }
1121                         } else
1122                         {
1123                                 i = 0;
1124                                 while(i < 256)
1125                                 {
1126                                         *s++ = p_record_buffer[p_record_buffer_readp];
1127                                         *s++ = 0; /* nothing from up */
1128                                         p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1129                                         i++;
1130                                 }
1131                         }
1132                         fwrite(write_buffer, 1024, 1, p_record);
1133                         break;
1134
1135                         case CODEC_8BIT:
1136                         d = write_buffer;
1137                         i = 0;
1138                         while(i < 256)
1139                         {
1140                                 *d++ = (p_record_buffer[p_record_buffer_readp]+0x8000) >> 8;
1141                                 p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1142                                 i++;
1143                         }
1144                         fwrite(write_buffer, 512, 1, p_record);
1145                         break;
1146
1147                         case CODEC_LAW:
1148                         d = write_buffer;
1149                         i = 0;
1150                         while(i < 256)
1151                         {
1152                                 *d++ = audio_s16_to_law[p_record_buffer[p_record_buffer_readp] & 0xffff];
1153                                 p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1154                                 i++;
1155                         }
1156                         fwrite(write_buffer, 256, 1, p_record);
1157                         break;
1158                 }
1159                 /* because we still have data, we write again */
1160                 free += sizeof(write_buffer);
1161                 goto same_again;
1162         }
1163
1164         /* the buffer store the other stream */
1165         different_again:
1166
1167         /* if buffer empty, change it */
1168         if (p_record_buffer_readp == p_record_buffer_writep)
1169         {
1170                 p_record_buffer_dir = dir_fromup;
1171                 goto same_again;
1172         }
1173         /* how much data can we mix ? */
1174         ii = (p_record_buffer_writep - p_record_buffer_readp) & RECORD_BUFFER_MASK;
1175         if (length < ii)
1176                 ii = length;
1177         /* write data mixed with the buffer */
1178         switch(p_record_type)
1179         {
1180                 case CODEC_MONO:
1181                 s = (signed short *)write_buffer;
1182                 i = 0;
1183                 while(i < ii)
1184                 {
1185                         sample = p_record_buffer[p_record_buffer_readp]
1186                                 + audio_law_to_s32(*data++);
1187                         p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1188                         if (sample < 32767)
1189                                 sample = -32767;
1190                         if (sample > 32768)
1191                                 sample = 32768;
1192                         *s++ = sample;
1193                         i++;
1194                 }
1195                 fwrite(write_buffer, ii<<1, 1, p_record);
1196                 break;
1197
1198                 case CODEC_STEREO:
1199                 s = (signed short *)write_buffer;
1200                 if (p_record_buffer_dir)
1201                 {
1202                         i = 0;
1203                         while(i < ii)
1204                         {
1205                                 *s++ = audio_law_to_s32(*data++);
1206                                 *s++ = p_record_buffer[p_record_buffer_readp];
1207                                 p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1208                                 i++;
1209                         }
1210                 } else
1211                 {
1212                         i = 0;
1213                         while(i < ii)
1214                         {
1215                                 *s++ = p_record_buffer[p_record_buffer_readp];
1216                                 *s++ = audio_law_to_s32(*data++);
1217                                 i++;
1218                         }
1219                 }
1220                 fwrite(write_buffer, ii<<2, 1, p_record);
1221                 break;
1222
1223                 case CODEC_8BIT:
1224                 d = write_buffer;
1225                 i = 0;
1226                 while(i < ii)
1227                 {
1228                         sample = p_record_buffer[p_record_buffer_readp]
1229                                 + audio_law_to_s32(*data++);
1230                         p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1231                         if (sample < 32767)
1232                                 sample = -32767;
1233                         if (sample > 32768)
1234                                 sample = 32768;
1235                         *d++ = (sample+0x8000) >> 8;
1236                         i++;
1237                 }
1238                 fwrite(write_buffer, ii, 1, p_record);
1239                 break;
1240
1241                 case CODEC_LAW:
1242                 d = write_buffer;
1243                 i = 0;
1244                 while(i < ii)
1245                 {
1246                         sample = p_record_buffer[p_record_buffer_readp]
1247                                 + audio_law_to_s32(*data++);
1248                         p_record_buffer_readp = (p_record_buffer_readp + 1) & RECORD_BUFFER_MASK;
1249                         if (sample < 32767)
1250                                 sample = -32767;
1251                         if (sample > 32768)
1252                                 sample = 32768;
1253                         *d++ = audio_s16_to_law[sample & 0xffff];
1254                         i++;
1255                 }
1256                 fwrite(write_buffer, ii, 1, p_record);
1257                 break;
1258         }
1259         length -= ii;
1260         /* data, but buffer empty */
1261         if (length)
1262         {
1263                 p_record_buffer_dir = dir_fromup;
1264                 goto same_again;
1265         }
1266         /* no data (maybe buffer) */
1267         return;
1268
1269 }
1270
1271
1272 /*
1273  * enque data from upper buffer
1274  */
1275 iniialisieren der werte
1276 void Port::txfromup(unsigned char *data, int length)
1277 {
1278
1279         /* no recording */
1280         if (!length)
1281                 return;
1282
1283         /* get free samples in buffer */
1284         free = ((p_fromup_buffer_readp - p_fromup_buffer_writep - 1) & FROMUP_BUFFER_MASK);
1285         if (free < length)
1286         {
1287                 PDEBUG(DEBUG_PORT, "Port(%d): fromup_buffer overflows, this shall not happen under normal conditions\n", p_serial);
1288                 return;
1289         }
1290
1291         /* write data to buffer and return */
1292         while(length)
1293         {
1294                 p_fromup_buffer[p_fromup_buffer_writep] = *data++;
1295                 p_fromup_buffer_writep = (p_fromup_buffer_writep + 1) & FROMUP_BUFFER_MASK;
1296                 length--;
1297         }
1298         return; // must return, because length is 0
1299 }
1300