gsm_bs.cpp

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** LCR                                                                       **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** mISDN gsm (BS mode)                                                       **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include "main.h"
  13 #include "mncc.h"
  14
  15 struct lcr_gsm *gsm_bs = NULL;
  16
  17 /*
  18  * DTMF stuff
  19  */
  20 unsigned char dtmf_samples[16][8000];
  21 static int dtmf_x[4] = { 1209, 1336, 1477, 1633 };
  22 static int dtmf_y[4] = { 697, 770, 852, 941 };
  23
  24 void generate_dtmf(void)
  25 {
  26         double fx, fy, sample;
  27         int i, x, y;
  28         unsigned char *law;
  29
  30         for (y = 0; y < 4; y++) {
  31                 fy = 2 * 3.1415927 * ((double)dtmf_y[y]) / 8000.0;
  32                 for (x = 0; x < 4; x++) {
  33                         fx = 2 * 3.1415927 * ((double)dtmf_x[x]) / 8000.0;
  34                         law = dtmf_samples[y << 2 | x];
  35                         for (i = 0; i < 8000; i++) {
  36                                 sample = sin(fy * ((double)i)) * 0.251 * 32767.0; /* -6 dB */
  37                                 sample += sin(fx * ((double)i)) * 0.158 * 32767.0; /* -8 dB */
  38                                 *law++ = audio_s16_to_law[(int)sample & 0xffff];
  39                         }
  40                 }
  41         }
  42 }
  43
  44
  45 /*
  46  * constructor
  47  */
  48 Pgsm_bs::Pgsm_bs(int type, char *portname, struct port_settings *settings, struct interface *interface) : Pgsm(type, portname, settings, interface)
  49 {
  50         p_g_lcr_gsm = gsm_bs;
  51         p_g_dtmf = NULL;
  52         p_g_dtmf_index = 0;
  53
  54         PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s).\n", portname);
  55 }
  56
  57 /*
  58  * destructor
  59  */
  60 Pgsm_bs::~Pgsm_bs()
  61 {
  62         PDEBUG(DEBUG_GSM, "Destroyed GSM BS process(%s).\n", p_name);
  63 }
  64
  65 /* DTMF INDICATION */
  66 void Pgsm_bs::start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
  67 {
  68         struct gsm_mncc *resp;
  69
  70         gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
  71         add_trace("keypad", NULL, "%c", mncc->keypad);
  72         end_trace();
  73         SPRINT(p_dialinginfo.id, "%c", mncc->keypad);
  74         p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
  75
  76         /* send resp */
  77         gsm_trace_header(p_g_interface_name, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
  78         add_trace("keypad", NULL, "%c", mncc->keypad);
  79         end_trace();
  80         resp = create_mncc(MNCC_START_DTMF_RSP, p_g_callref);
  81         resp->fields |= MNCC_F_KEYPAD;
  82         resp->keypad = mncc->keypad;
  83         send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
  84
  85         if (p_g_rtp_bridge) {
  86                 class Port *remote = bridge_remote();
  87
  88                 if (remote) {
  89                         struct lcr_msg *message;
  90
  91                         /* send dtmf information, because we bridge RTP directly */
  92                         message = message_create(0, remote->p_serial, EPOINT_TO_PORT, MESSAGE_DTMF);
  93                         message->param.dtmf = mncc->keypad;
  94                         message_put(message);
  95                 }
  96         } else {
  97                 /* generate DTMF tones, since we do audio forwarding inside LCR */
  98                 switch (mncc->keypad) {
  99                         case '1': p_g_dtmf = dtmf_samples[0]; break;
 100                         case '2': p_g_dtmf = dtmf_samples[1]; break;
 101                         case '3': p_g_dtmf = dtmf_samples[2]; break;
 102                         case 'a':
 103                         case 'A': p_g_dtmf = dtmf_samples[3]; break;
 104                         case '4': p_g_dtmf = dtmf_samples[4]; break;
 105                         case '5': p_g_dtmf = dtmf_samples[5]; break;
 106                         case '6': p_g_dtmf = dtmf_samples[6]; break;
 107                         case 'b':
 108                         case 'B': p_g_dtmf = dtmf_samples[7]; break;
 109                         case '7': p_g_dtmf = dtmf_samples[8]; break;
 110                         case '8': p_g_dtmf = dtmf_samples[9]; break;
 111                         case '9': p_g_dtmf = dtmf_samples[10]; break;
 112                         case 'c':
 113                         case 'C': p_g_dtmf = dtmf_samples[11]; break;
 114                         case '*': p_g_dtmf = dtmf_samples[12]; break;
 115                         case '0': p_g_dtmf = dtmf_samples[13]; break;
 116                         case '#': p_g_dtmf = dtmf_samples[14]; break;
 117                         case 'd':
 118                         case 'D': p_g_dtmf = dtmf_samples[15]; break;
 119                 }
 120                 p_g_dtmf_index = 0;
 121         }
 122 }
 123 void Pgsm_bs::stop_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
 124 {
 125         struct gsm_mncc *resp;
 126
 127         gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
 128         add_trace("keypad", NULL, "%c", mncc->keypad);
 129         end_trace();
 130
 131         /* send resp */
 132         gsm_trace_header(p_g_interface_name, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
 133         add_trace("keypad", NULL, "%c", mncc->keypad);
 134         end_trace();
 135         resp = create_mncc(MNCC_STOP_DTMF_RSP, p_g_callref);
 136         resp->keypad = mncc->keypad;
 137         send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
 138
 139         /* stop DTMF */
 140         p_g_dtmf = NULL;
 141 }
 142
 143 /* HOLD INDICATION */
 144 void Pgsm_bs::hold_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
 145 {
 146         struct lcr_msg *message;
 147         struct gsm_mncc *resp, *frame;
 148
 149         gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
 150         end_trace();
 151
 152         /* notify the hold of call */
 153         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
 154         message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD;
 155         message->param.notifyinfo.local = 1; /* call is held by supplementary service */
 156         message_put(message);
 157
 158         /* acknowledge hold */
 159         gsm_trace_header(p_g_interface_name, this, MNCC_HOLD_CNF, DIRECTION_OUT);
 160         end_trace();
 161         resp = create_mncc(MNCC_HOLD_CNF, p_g_callref);
 162         send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
 163
 164         /* disable audio */
 165         if (p_g_tch_connected) { /* it should be true */
 166                 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_DROP, DIRECTION_OUT);
 167                 end_trace();
 168                 frame = create_mncc(MNCC_FRAME_DROP, p_g_callref);
 169                 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
 170                 p_g_tch_connected = 0;
 171         }
 172 }
 173
 174
 175 /* RETRIEVE INDICATION */
 176 void Pgsm_bs::retr_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
 177 {
 178         struct lcr_msg *message;
 179         struct gsm_mncc *resp, *frame;
 180
 181         gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
 182         end_trace();
 183
 184         /* notify the retrieve of call */
 185         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
 186         message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
 187         message->param.notifyinfo.local = 1; /* call is retrieved by supplementary service */
 188         message_put(message);
 189
 190         /* acknowledge retr */
 191         gsm_trace_header(p_g_interface_name, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
 192         end_trace();
 193         resp = create_mncc(MNCC_RETRIEVE_CNF, p_g_callref);
 194         send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
 195
 196         /* enable audio */
 197         if (!p_g_tch_connected) { /* it should be true */
 198                 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
 199                 end_trace();
 200                 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
 201                 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
 202                 p_g_tch_connected = 1;
 203         }
 204 }
 205
 206 /*
 207  * handles all indications
 208  */
 209 /* SETUP INDICATION */
 210 void Pgsm_bs::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
 211 {
 212         class Endpoint *epoint;
 213         struct lcr_msg *message;
 214         struct gsm_mncc *mode, *proceeding, *frame;
 215
 216         /* process given callref */
 217         gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_IN);
 218         add_trace("callref", "new", "0x%x", callref);
 219         if (p_g_callref) {
 220                 /* release in case the ID is already in use */
 221                 add_trace("error", NULL, "callref already in use");
 222                 end_trace();
 223                 mncc = create_mncc(MNCC_REJ_REQ, callref);
 224                 gsm_trace_header(p_g_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
 225                 mncc->fields |= MNCC_F_CAUSE;
 226                 mncc->cause.coding = 3;
 227                 mncc->cause.location = 1;
 228                 mncc->cause.value = 47;
 229                 add_trace("cause", "coding", "%d", mncc->cause.coding);
 230                 add_trace("cause", "location", "%d", mncc->cause.location);
 231                 add_trace("cause", "value", "%d", mncc->cause.value);
 232                 add_trace("reason", NULL, "callref already in use");
 233                 end_trace();
 234                 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
 235                 new_state(PORT_STATE_RELEASE);
 236                 trigger_work(&p_g_delete);
 237                 return;
 238         }
 239         p_g_callref = callref;
 240         end_trace();
 241
 242         /* caller info */
 243         if (mncc->clir.inv)
 244                 p_callerinfo.present = INFO_PRESENT_RESTRICTED;
 245         else
 246                 p_callerinfo.present = INFO_PRESENT_ALLOWED;
 247         if (mncc->calling.number[0])
 248                 SCPY(p_callerinfo.id, mncc->calling.number);
 249         else
 250                 p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
 251         SCPY(p_callerinfo.imsi, mncc->imsi);
 252         p_callerinfo.screen = INFO_SCREEN_NETWORK;
 253         p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
 254         SCPY(p_callerinfo.interface, p_g_interface_name);
 255
 256         /* dialing information */
 257         SCAT(p_dialinginfo.id, mncc->called.number);
 258         switch (mncc->called.type) {
 259                 case 0x1:
 260                 p_dialinginfo.ntype = INFO_NTYPE_INTERNATIONAL;
 261                 break;
 262                 case 0x2:
 263                 p_dialinginfo.ntype = INFO_NTYPE_NATIONAL;
 264                 break;
 265                 case 0x4:
 266                 p_dialinginfo.ntype = INFO_NTYPE_SUBSCRIBER;
 267                 break;
 268                 default:
 269                 p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
 270                 break;
 271         }
 272         if (mncc->emergency) {
 273                 SCPY(p_dialinginfo.id, "emergency");
 274         }
 275         p_dialinginfo.sending_complete = 1;
 276
 277         /* bearer capability */
 278         // todo
 279         p_capainfo.bearer_capa = INFO_BC_SPEECH;
 280         p_capainfo.bearer_info1 = (options.law=='a')?3:2;
 281         p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
 282         p_capainfo.source_mode = B_MODE_TRANSPARENT;
 283         p_g_mode = p_capainfo.source_mode;
 284
 285         /* useruser */
 286
 287         /* what infos did we got ... */
 288         gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
 289         if (p_callerinfo.id[0])
 290                 add_trace("calling", "number", "%s", p_callerinfo.id);
 291         else
 292                 SPRINT(p_callerinfo.id, "imsi-%s", p_callerinfo.imsi);
 293         add_trace("calling", "imsi", "%s", p_callerinfo.imsi);
 294         add_trace("dialing", "number", "%s", p_dialinginfo.id);
 295         end_trace();
 296
 297         /* create endpoint */
 298         if (p_epointlist)
 299                 FATAL("Incoming call but already got an endpoint.\n");
 300         if (!(epoint = new Endpoint(p_serial, 0)))
 301                 FATAL("No memory for Endpoint instance\n");
 302         if (!(epoint->ep_app = new DEFAULT_ENDPOINT_APP(epoint, 0))) //incoming
 303                 FATAL("No memory for Endpoint Application instance\n");
 304         epointlist_new(epoint->ep_serial);
 305
 306         /* modify lchan to GSM codec V1 */
 307         gsm_trace_header(p_g_interface_name, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
 308         mode = create_mncc(MNCC_LCHAN_MODIFY, p_g_callref);
 309         mode->lchan_mode = 0x01; /* GSM V1 */
 310         mode->lchan_type = 0x02;
 311         add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
 312         end_trace();
 313         send_and_free_mncc(p_g_lcr_gsm, mode->msg_type, mode);
 314
 315         /* send call proceeding */
 316         gsm_trace_header(p_g_interface_name, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
 317         proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_g_callref);
 318         if (p_g_tones) {
 319                 proceeding->fields |= MNCC_F_PROGRESS;
 320                 proceeding->progress.coding = 3; /* GSM */
 321                 proceeding->progress.location = 1;
 322                 proceeding->progress.descr = 8;
 323                 add_trace("progress", "coding", "%d", proceeding->progress.coding);
 324                 add_trace("progress", "location", "%d", proceeding->progress.location);
 325                 add_trace("progress", "descr", "%d", proceeding->progress.descr);
 326         }
 327         end_trace();
 328         send_and_free_mncc(p_g_lcr_gsm, proceeding->msg_type, proceeding);
 329
 330         new_state(PORT_STATE_IN_PROCEEDING);
 331
 332         if (p_g_tones && !p_g_tch_connected) { /* only if ... */
 333                 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
 334                 end_trace();
 335                 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
 336                 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
 337                 p_g_tch_connected = 1;
 338         }
 339
 340         /* send setup message to endpoit */
 341         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_SETUP);
 342         message->param.setup.port_type = p_type;
 343 //      message->param.setup.dtmf = 0;
 344         memcpy(&message->param.setup.dialinginfo, &p_dialinginfo, sizeof(struct dialing_info));
 345         memcpy(&message->param.setup.callerinfo, &p_callerinfo, sizeof(struct caller_info));
 346         memcpy(&message->param.setup.capainfo, &p_capainfo, sizeof(struct capa_info));
 347         SCPY((char *)message->param.setup.useruser.data, (char *)mncc->useruser.info);
 348         message->param.setup.useruser.len = strlen(mncc->useruser.info);
 349         message->param.setup.useruser.protocol = mncc->useruser.proto;
 350         message->param.setup.rtpinfo.payload_type = 3; /* FIXME: receive payload type from peer */
 351
 352         if (p_g_rtp_bridge) {
 353                 struct gsm_mncc_rtp *rtp;
 354
 355                 PDEBUG(DEBUG_GSM, "Request RTP peer info, before forwarding setup\n");
 356                 p_g_setup_pending = message;
 357                 rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CREATE, p_g_callref);
 358                 send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
 359         } else
 360                 message_put(message);
 361
 362 }
 363
 364 /*
 365  * BSC sends message to port
 366  */
 367 int message_bsc(struct lcr_gsm *lcr_gsm, int msg_type, void *arg)
 368 {
 369         struct interface *interface = lcr_gsm->interface;
 370         struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
 371         unsigned int callref = mncc->callref;
 372         class Port *port;
 373         class Pgsm_bs *pgsm_bs = NULL;
 374         char name[64];
 375 //      struct mISDNport *mISDNport;
 376
 377         /* Special messages */
 378         switch(msg_type) {
 379         }
 380
 381         /* find callref */
 382         callref = mncc->callref;
 383         port = port_first;
 384         while(port) {
 385                 if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_BS) {
 386                         pgsm_bs = (class Pgsm_bs *)port;
 387                         if (pgsm_bs->p_g_callref == callref) {
 388                                 break;
 389                         }
 390                 }
 391                 port = port->next;
 392         }
 393
 394         if (msg_type == GSM_TCHF_FRAME) {
 395                 if (port) {
 396                         /* inject DTMF, if enabled */
 397                         if (pgsm_bs->p_g_dtmf) {
 398                                 unsigned char data[160];
 399                                 int i;
 400
 401                                 for (i = 0; i < 160; i++) {
 402                                         data[i] = pgsm_bs->p_g_dtmf[pgsm_bs->p_g_dtmf_index++];
 403                                         if (pgsm_bs->p_g_dtmf_index == 8000)
 404                                                 pgsm_bs->p_g_dtmf_index = 0;
 405                                 }
 406                                 /* send */
 407                                 pgsm_bs->bridge_tx(data, 160);
 408                         } else
 409                                 pgsm_bs->frame_receive(arg);
 410                         /* if we do not bridge we need to inject audio, if available */
 411                         if (!pgsm_bs->p_bridge) {
 412                                 unsigned char data[160];
 413                                 int i;
 414
 415                                 i = pgsm_bs->read_audio(data, 160);
 416                                 if (i)
 417                                         pgsm_bs->bridge_rx(data, i);
 418                         }
 419                 }
 420                 return 0;
 421         }
 422
 423         if (!port) {
 424                 if (msg_type != MNCC_SETUP_IND)
 425                         return(0);
 426 #if 0
 427                 /* find gsm port */
 428                 mISDNport = mISDNport_first;
 429                 while(mISDNport) {
 430                         if (mISDNport->gsm_bs)
 431                                 break;
 432                         mISDNport = mISDNport->next;
 433                 }
 434                 if (!mISDNport) {
 435                         struct gsm_mncc *rej;
 436
 437                         rej = create_mncc(MNCC_REJ_REQ, callref);
 438                         rej->fields |= MNCC_F_CAUSE;
 439                         rej->cause.coding = 3;
 440                         rej->cause.location = 1;
 441                         rej->cause.value = 27;
 442                         gsm_trace_header(NULL, NULL, MNCC_REJ_REQ, DIRECTION_OUT);
 443                         add_trace("cause", "coding", "%d", rej->cause.coding);
 444                         add_trace("cause", "location", "%d", rej->cause.location);
 445                         add_trace("cause", "value", "%d", rej->cause.value);
 446                         end_trace();
 447                         send_and_free_mncc(lcr_gsm, rej->msg_type, rej);
 448                         return 0;
 449                 }
 450 #endif
 451                 /* creating port object, transparent until setup with hdlc */
 452                 SPRINT(name, "%s-%d-in", interface->name, 0);
 453                 if (!(pgsm_bs = new Pgsm_bs(PORT_TYPE_GSM_BS_IN, name, NULL, interface)))
 454                         FATAL("Cannot create Port instance.\n");
 455         }
 456
 457         switch(msg_type) {
 458                 case MNCC_SETUP_IND:
 459                 pgsm_bs->setup_ind(msg_type, callref, mncc);
 460                 break;
 461
 462                 case MNCC_RTP_CREATE:
 463                 pgsm_bs->rtp_create_ind(msg_type, callref, mncc);
 464                 break;
 465
 466                 case MNCC_RTP_CONNECT:
 467                 pgsm_bs->rtp_connect_ind(msg_type, callref, mncc);
 468                 break;
 469
 470                 case MNCC_START_DTMF_IND:
 471                 pgsm_bs->start_dtmf_ind(msg_type, callref, mncc);
 472                 break;
 473
 474                 case MNCC_STOP_DTMF_IND:
 475                 pgsm_bs->stop_dtmf_ind(msg_type, callref, mncc);
 476                 break;
 477
 478                 case MNCC_CALL_CONF_IND:
 479                 pgsm_bs->call_conf_ind(msg_type, callref, mncc);
 480                 break;
 481
 482                 case MNCC_ALERT_IND:
 483                 pgsm_bs->alert_ind(msg_type, callref, mncc);
 484                 break;
 485
 486                 case MNCC_SETUP_CNF:
 487                 pgsm_bs->setup_cnf(msg_type, callref, mncc);
 488                 break;
 489
 490                 case MNCC_SETUP_COMPL_IND:
 491                 pgsm_bs->setup_compl_ind(msg_type, callref, mncc);
 492                 break;
 493
 494                 case MNCC_DISC_IND:
 495                 pgsm_bs->disc_ind(msg_type, callref, mncc);
 496                 break;
 497
 498                 case MNCC_REL_IND:
 499                 case MNCC_REL_CNF:
 500                 case MNCC_REJ_IND:
 501                 pgsm_bs->rel_ind(msg_type, callref, mncc);
 502                 break;
 503
 504                 case MNCC_NOTIFY_IND:
 505                 pgsm_bs->notify_ind(msg_type, callref, mncc);
 506                 break;
 507
 508                 case MNCC_HOLD_IND:
 509                 pgsm_bs->hold_ind(msg_type, callref, mncc);
 510                 break;
 511
 512                 case MNCC_RETRIEVE_IND:
 513                 pgsm_bs->retr_ind(msg_type, callref, mncc);
 514                 break;
 515
 516                 default:
 517                 PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: 0x%x\n", pgsm_bs->p_name, pgsm_bs->p_callerinfo.id, msg_type);
 518         }
 519         return(0);
 520 }
 521
 522 /* MESSAGE_SETUP */
 523 void Pgsm_bs::message_setup(unsigned int epoint_id, int message_id, union parameter *param)
 524 {
 525         struct lcr_msg *message;
 526         struct epoint_list *epointlist;
 527         struct gsm_mncc *mncc;
 528
 529         /* copy setup infos to port */
 530         memcpy(&p_callerinfo, &param->setup.callerinfo, sizeof(p_callerinfo));
 531         memcpy(&p_dialinginfo, &param->setup.dialinginfo, sizeof(p_dialinginfo));
 532         memcpy(&p_capainfo, &param->setup.capainfo, sizeof(p_capainfo));
 533         memcpy(&p_redirinfo, &param->setup.redirinfo, sizeof(p_redirinfo));
 534
 535         /* no GSM MNCC connection */
 536         if (p_g_lcr_gsm->mncc_lfd.fd < 0) {
 537                 gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
 538                 add_trace("failure", NULL, "No MNCC connection.");
 539                 end_trace();
 540                 message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
 541                 message->param.disconnectinfo.cause = 41; // temp. failure.
 542                 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
 543                 message_put(message);
 544                 new_state(PORT_STATE_RELEASE);
 545                 trigger_work(&p_g_delete);
 546                 return;
 547         }
 548
 549         /* no number */
 550         if (!p_dialinginfo.id[0]) {
 551                 gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
 552                 add_trace("failure", NULL, "No dialed subscriber given.");
 553                 end_trace();
 554                 message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
 555                 message->param.disconnectinfo.cause = 28;
 556                 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
 557                 message_put(message);
 558                 new_state(PORT_STATE_RELEASE);
 559                 trigger_work(&p_g_delete);
 560                 return;
 561         }
 562
 563 //              SCPY(&p_m_tones_dir, param->setup.ext.tones_dir);
 564         /* screen outgoing caller id */
 565         do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_g_interface_name);
 566
 567         /* attach only if not already */
 568         epointlist = p_epointlist;
 569         while(epointlist) {
 570                 if (epointlist->epoint_id == epoint_id)
 571                         break;
 572                 epointlist = epointlist->next;
 573         }
 574         if (!epointlist)
 575                 epointlist_new(epoint_id);
 576
 577         /* creating l3id */
 578         gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_OUT);
 579         p_g_callref = new_callref++;
 580         add_trace("callref", "new", "0x%x", p_g_callref);
 581         end_trace();
 582
 583         gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
 584         mncc = create_mncc(MNCC_SETUP_REQ, p_g_callref);
 585         /* caller information */
 586         mncc->fields |= MNCC_F_CALLING;
 587         mncc->calling.plan = 1;
 588         switch (p_callerinfo.ntype) {
 589                 case INFO_NTYPE_UNKNOWN:
 590                 mncc->calling.type = 0x0;
 591                 break;
 592                 case INFO_NTYPE_INTERNATIONAL:
 593                 mncc->calling.type = 0x1;
 594                 break;
 595                 case INFO_NTYPE_NATIONAL:
 596                 mncc->calling.type = 0x2;
 597                 break;
 598                 case INFO_NTYPE_SUBSCRIBER:
 599                 mncc->calling.type = 0x4;
 600                 break;
 601                 default: /* INFO_NTYPE_NOTPRESENT */
 602                 mncc->fields &= ~MNCC_F_CALLING;
 603                 break;
 604         }
 605         switch (p_callerinfo.screen) {
 606                 case INFO_SCREEN_USER:
 607                 mncc->calling.screen = 0;
 608                 break;
 609                 default: /* INFO_SCREEN_NETWORK */
 610                 mncc->calling.screen = 3;
 611                 break;
 612         }
 613         switch (p_callerinfo.present) {
 614                 case INFO_PRESENT_ALLOWED:
 615                 mncc->calling.present = 0;
 616                 break;
 617                 case INFO_PRESENT_RESTRICTED:
 618                 mncc->calling.present = 1;
 619                 break;
 620                 default: /* INFO_PRESENT_NOTAVAIL */
 621                 mncc->calling.present = 2;
 622                 break;
 623         }
 624         if (mncc->fields & MNCC_F_CALLING) {
 625                 SCPY(mncc->calling.number, p_callerinfo.id);
 626                 add_trace("calling", "type", "%d", mncc->calling.type);
 627                 add_trace("calling", "plan", "%d", mncc->calling.plan);
 628                 add_trace("calling", "present", "%d", mncc->calling.present);
 629                 add_trace("calling", "screen", "%d", mncc->calling.screen);
 630                 add_trace("calling", "number", "%s", mncc->calling.number);
 631         }
 632         /* dialing information */
 633         mncc->fields |= MNCC_F_CALLED;
 634         if (!strncmp(p_dialinginfo.id, "imsi-", 5)) {
 635                 SCPY(mncc->imsi, p_dialinginfo.id+5);
 636                 add_trace("dialing", "imsi", "%s", mncc->imsi);
 637         } else {
 638                 SCPY(mncc->called.number, p_dialinginfo.id);
 639                 add_trace("dialing", "number", "%s", mncc->called.number);
 640         }
 641
 642         /* sending user-user */
 643
 644         /* redirecting number */
 645         mncc->fields |= MNCC_F_REDIRECTING;
 646         mncc->redirecting.plan = 1;
 647         switch (p_redirinfo.ntype) {
 648                 case INFO_NTYPE_UNKNOWN:
 649                 mncc->redirecting.type = 0x0;
 650                 break;
 651                 case INFO_NTYPE_INTERNATIONAL:
 652                 mncc->redirecting.type = 0x1;
 653                 break;
 654                 case INFO_NTYPE_NATIONAL:
 655                 mncc->redirecting.type = 0x2;
 656                 break;
 657                 case INFO_NTYPE_SUBSCRIBER:
 658                 mncc->redirecting.type = 0x4;
 659                 break;
 660                 default: /* INFO_NTYPE_NOTPRESENT */
 661                 mncc->fields &= ~MNCC_F_REDIRECTING;
 662                 break;
 663         }
 664         switch (p_redirinfo.screen) {
 665                 case INFO_SCREEN_USER:
 666                 mncc->redirecting.screen = 0;
 667                 break;
 668                 default: /* INFO_SCREE_NETWORK */
 669                 mncc->redirecting.screen = 3;
 670                 break;
 671         }
 672         switch (p_redirinfo.present) {
 673                 case INFO_PRESENT_ALLOWED:
 674                 mncc->redirecting.present = 0;
 675                 break;
 676                 case INFO_PRESENT_RESTRICTED:
 677                 mncc->redirecting.present = 1;
 678                 break;
 679                 default: /* INFO_PRESENT_NOTAVAIL */
 680                 mncc->redirecting.present = 2;
 681                 break;
 682         }
 683         /* sending redirecting number only in ntmode */
 684         if (mncc->fields & MNCC_F_REDIRECTING) {
 685                 SCPY(mncc->redirecting.number, p_redirinfo.id);
 686                 add_trace("redir", "type", "%d", mncc->redirecting.type);
 687                 add_trace("redir", "plan", "%d", mncc->redirecting.plan);
 688                 add_trace("redir", "present", "%d", mncc->redirecting.present);
 689                 add_trace("redir", "screen", "%d", mncc->redirecting.screen);
 690                 add_trace("redir", "number", "%s", mncc->redirecting.number);
 691         }
 692         /* bearer capability */
 693         //todo
 694
 695         end_trace();
 696         send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
 697
 698         new_state(PORT_STATE_OUT_SETUP);
 699
 700         message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
 701         message_put(message);
 702
 703         new_state(PORT_STATE_OUT_PROCEEDING);
 704
 705         /* RTP bridge */
 706         if (param->setup.rtpinfo.port) {
 707                 p_g_rtp_bridge = 1;
 708                 p_g_rtp_ip_remote = param->setup.rtpinfo.ip;
 709                 p_g_rtp_port_remote = param->setup.rtpinfo.port;
 710         } else
 711                 p_g_rtp_bridge = 0;
 712 }
 713
 714 /*
 715  * endpoint sends messages to the port
 716  */
 717 int Pgsm_bs::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
 718 {
 719         if (Pgsm::message_epoint(epoint_id, message_id, param))
 720                 return(1);
 721
 722         switch(message_id) {
 723                 case MESSAGE_SETUP: /* dial-out command received from epoint */
 724                 if (p_state!=PORT_STATE_IDLE)
 725                         break;
 726                 message_setup(epoint_id, message_id, param);
 727                 break;
 728
 729                 default:
 730                 PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: %d\n", p_name, p_callerinfo.id, message_id);
 731         }
 732
 733         return(1);
 734 }
 735
 736 int gsm_bs_exit(int rc)
 737 {
 738         /* free gsm instance */
 739         if (gsm_bs) {
 740                 if (gsm_bs->mncc_lfd.fd > -1) {
 741                         close(gsm_bs->mncc_lfd.fd);
 742                         unregister_fd(&gsm_bs->mncc_lfd);
 743                 }
 744
 745                 del_timer(&gsm_bs->socket_retry);
 746                 free(gsm_bs);
 747                 gsm_bs = NULL;
 748         }
 749
 750
 751         return(rc);
 752 }
 753
 754 int gsm_bs_init(struct interface *interface)
 755 {
 756         /* create gsm instance */
 757         gsm_bs = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
 758
 759         gsm_bs->interface = interface;
 760         gsm_bs->type = LCR_GSM_TYPE_NETWORK;
 761         gsm_bs->sun.sun_family = AF_UNIX;
 762         SCPY(gsm_bs->sun.sun_path, "/tmp/bsc_mncc");
 763
 764         memset(&gsm_bs->socket_retry, 0, sizeof(gsm_bs->socket_retry));
 765         add_timer(&gsm_bs->socket_retry, mncc_socket_retry_cb, gsm_bs, 0);
 766
 767         /* do the initial connect */
 768         mncc_socket_retry_cb(&gsm_bs->socket_retry, gsm_bs, 0);
 769
 770         generate_dtmf();
 771
 772         return 0;
 773 }