sjero.net Git - linphone/blob - coreapi/callbacks.c

   1 /*
   2 linphone
   3 Copyright (C) 2010  Simon MORLAT (simon.morlat@free.fr)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20
  21 #include "sal.h"
  22
  23 #include "linphonecore.h"
  24 #include "private.h"
  25 #include "mediastreamer2/mediastream.h"
  26 #include "lpconfig.h"
  27
  28 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details);
  29
  30 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
  31         SalMediaDescription *oldmd=call->resultdesc;
  32
  33         if (lc->ringstream!=NULL){
  34                 ring_stop(lc->ringstream);
  35                 lc->ringstream=NULL;
  36         }
  37         if (new_md!=NULL){
  38                 sal_media_description_ref(new_md);
  39                 call->media_pending=FALSE;
  40         }else{
  41                 call->media_pending=TRUE;
  42         }
  43         call->resultdesc=new_md;
  44         if (call->audiostream && call->audiostream->ticker){
  45                 /* we already started media: check if we really need to restart it*/
  46                 if (oldmd){
  47                         if (sal_media_description_equals(oldmd,new_md)){
  48                                 sal_media_description_unref(oldmd);
  49                                 if (call->all_muted){
  50                                         ms_message("Early media finished, unmuting inputs...");
  51                                         /*we were in early media, now we want to enable real media */
  52                                         linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
  53                                         if (call->audiostream)
  54                                                 linphone_core_mute_mic (lc, linphone_core_is_mic_muted(lc));
  55                                 }
  56                                 ms_message("No need to restart streams, SDP is unchanged.");
  57                                 return;
  58                         }else{
  59                                 ms_message("Media descriptions are different, need to restart the streams.");
  60                         }
  61                 }
  62                 linphone_call_stop_media_streams (call);
  63                 linphone_call_init_media_streams (call);
  64         }
  65         if (oldmd)
  66                 sal_media_description_unref(oldmd);
  67
  68         if (new_md) {
  69                 bool_t all_muted=FALSE;
  70                 bool_t send_ringbacktone=FALSE;
  71
  72                 if (call->audiostream==NULL){
  73                         /*this happens after pausing the call locally. The streams is destroyed and then we wait the 200Ok to recreate it*/
  74                         linphone_call_init_media_streams (call);
  75                 }
  76                 if (call->state==LinphoneCallIncomingEarlyMedia ||
  77                     (call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
  78                         all_muted=TRUE;
  79                 }else if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
  80                         send_ringbacktone=TRUE;
  81                 }
  82                 linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
  83         }
  84 }
  85
  86 static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){
  87         MSList *elem;
  88         for(elem=lc->calls;elem!=NULL;elem=elem->next){
  89                 LinphoneCall *call=(LinphoneCall*)elem->data;
  90                 if (linphone_address_weak_equal(call->log->from,from) &&
  91                     linphone_address_weak_equal(call->log->to, to)){
  92                         return TRUE;
  93                 }
  94         }
  95         return FALSE;
  96 }
  97
  98 static void call_received(SalOp *h){
  99         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 100         char *barmesg;
 101         LinphoneCall *call;
 102         const char *from,*to;
 103         char *tmp;
 104         LinphoneAddress *from_parsed;
 105         LinphoneAddress *from_addr, *to_addr;
 106         SalMediaDescription *md;
 107         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
 108         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
 109
 110         /* first check if we can answer successfully to this invite */
 111         if (lc->presence_mode==LinphoneStatusBusy ||
 112             lc->presence_mode==LinphoneStatusOffline ||
 113             lc->presence_mode==LinphoneStatusDoNotDisturb ||
 114             lc->presence_mode==LinphoneStatusMoved){
 115                 if (lc->presence_mode==LinphoneStatusBusy )
 116                         sal_call_decline(h,SalReasonBusy,NULL);
 117                 else if (lc->presence_mode==LinphoneStatusOffline)
 118                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
 119                 else if (lc->presence_mode==LinphoneStatusDoNotDisturb)
 120                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
 121                 else if (lc->alt_contact!=NULL && lc->presence_mode==LinphoneStatusMoved)
 122                         sal_call_decline(h,SalReasonRedirect,lc->alt_contact);
 123                 sal_op_release(h);
 124                 return;
 125         }
 126         if (!linphone_core_can_we_add_call(lc)){/*busy*/
 127                 sal_call_decline(h,SalReasonBusy,NULL);
 128                 sal_op_release(h);
 129                 return;
 130         }
 131         from=sal_op_get_from(h);
 132         to=sal_op_get_to(h);
 133         from_addr=linphone_address_new(from);
 134         to_addr=linphone_address_new(to);
 135
 136         if (is_duplicate_call(lc,from_addr,to_addr)){
 137                 ms_warning("Receiving duplicated call, refusing this one.");
 138                 sal_call_decline(h,SalReasonBusy,NULL);
 139                 linphone_address_destroy(from_addr);
 140                 linphone_address_destroy(to_addr);
 141                 return;
 142         }
 143
 144         call=linphone_call_new_incoming(lc,from_addr,to_addr,h);
 145         sal_call_set_local_media_description(h,call->localdesc);
 146         md=sal_call_get_final_media_description(h);
 147
 148         if (md && sal_media_description_empty(md)){
 149                 sal_call_decline(h,SalReasonMedia,NULL);
 150                 linphone_call_unref(call);
 151                 return;
 152         }
 153
 154         /* the call is acceptable so we can now add it to our list */
 155         linphone_core_add_call(lc,call);
 156
 157         from_parsed=linphone_address_new(sal_op_get_from(h));
 158         linphone_address_clean(from_parsed);
 159         tmp=linphone_address_as_string(from_parsed);
 160         linphone_address_destroy(from_parsed);
 161         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
 162             (sal_call_autoanswer_asked(h)) ?_(" and asked autoanswer."):_("."));
 163         if (lc->vtable.show) lc->vtable.show(lc);
 164         if (lc->vtable.display_status)
 165             lc->vtable.display_status(lc,barmesg);
 166
 167         /* play the ring if this is the only call*/
 168         if (lc->sound_conf.ring_sndcard!=NULL && ms_list_size(lc->calls)==1){
 169                 lc->current_call=call;
 170                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
 171                         ring_stop(lc->ringstream);
 172                         lc->ringstream=NULL;
 173                         lc->dmfs_playing_start_time=0;
 174                 }
 175                 if(lc->ringstream==NULL){
 176                         MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
 177                         ms_message("Starting local ring...");
 178                         lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
 179                 }
 180                 else
 181                 {
 182                         ms_message("the local ring is already started");
 183                 }
 184         }else{
 185                 /*TODO : play a tone within the context of the current call */
 186         }
 187         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
 188
 189         sal_call_notify_ringing(h,propose_early_media || ringback_tone!=NULL);
 190
 191         if (propose_early_media || ringback_tone!=NULL){
 192                 linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
 193                 linphone_core_update_streams(lc,call,md);
 194         }
 195         ms_free(barmesg);
 196         ms_free(tmp);
 197
 198
 199         if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
 200                 linphone_core_accept_call(lc,call);
 201         }
 202 }
 203
 204 static void call_ringing(SalOp *h){
 205         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 206         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
 207         SalMediaDescription *md;
 208
 209         if (call==NULL) return;
 210
 211         if (lc->vtable.display_status)
 212                 lc->vtable.display_status(lc,_("Remote ringing."));
 213
 214         md=sal_call_get_final_media_description(h);
 215         if (md==NULL){
 216                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
 217                         ring_stop(lc->ringstream);
 218                         lc->ringstream=NULL;
 219                         lc->dmfs_playing_start_time=0;
 220                 }
 221                 if (lc->ringstream!=NULL) return;       /*already ringing !*/
 222                 if (lc->sound_conf.play_sndcard!=NULL){
 223                         MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
 224                         ms_message("Remote ringing...");
 225                         lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
 226                         linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
 227                 }
 228         }else{
 229                 /*accept early media */
 230                 if (call->audiostream && call->audiostream->ticker!=NULL){
 231                         /*streams already started */
 232                         ms_message("Early media already started.");
 233                         return;
 234                 }
 235                 if (lc->vtable.show) lc->vtable.show(lc);
 236                 if (lc->vtable.display_status)
 237                         lc->vtable.display_status(lc,_("Early media."));
 238                 linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
 239                 if (lc->ringstream!=NULL){
 240                         ring_stop(lc->ringstream);
 241                         lc->ringstream=NULL;
 242                 }
 243                 ms_message("Doing early media...");
 244                 linphone_core_update_streams (lc,call,md);
 245         }
 246 }
 247
 248 /*
 249  * could be reach :
 250  *  - when the call is accepted
 251  *  - when a request is accepted (pause, resume)
 252  */
 253 static void call_accepted(SalOp *op){
 254         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 255         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 256         SalMediaDescription *md;
 257
 258         if (call==NULL){
 259                 ms_warning("No call to accept.");
 260                 return ;
 261         }
 262
 263         md=sal_call_get_final_media_description(op);
 264
 265         if (call->state==LinphoneCallOutgoingProgress ||
 266             call->state==LinphoneCallOutgoingRinging ||
 267             call->state==LinphoneCallOutgoingEarlyMedia){
 268                 linphone_call_set_state(call,LinphoneCallConnected,"Connected");
 269         }
 270         if (md && !sal_media_description_empty(md)){
 271                 if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
 272                     sal_media_description_has_dir(md,SalStreamInactive)){
 273                         if (lc->vtable.display_status){
 274                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 275                                 char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
 276                                 lc->vtable.display_status(lc,msg);
 277                                 ms_free(tmp);
 278                                 ms_free(msg);
 279                         }
 280                         linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
 281                 }else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
 282                         /*we are put on hold when the call is initially accepted */
 283                         if (lc->vtable.display_status){
 284                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 285                                 char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
 286                                 lc->vtable.display_status(lc,msg);
 287                                 ms_free(tmp);
 288                                 ms_free(msg);
 289                         }
 290                         linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
 291                 }else{
 292                         if (lc->vtable.display_status){
 293                                 lc->vtable.display_status(lc,_("Call answered - connected."));
 294                         }
 295                         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
 296                 }
 297                 linphone_core_update_streams (lc,call,md);
 298         }else{
 299                 /*send a bye*/
 300                 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
 301                 linphone_core_abort_call(lc,call,"No codec intersection");
 302         }
 303 }
 304
 305 static void call_ack(SalOp *op){
 306         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 307         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 308         if (call==NULL){
 309                 ms_warning("No call to be ACK'd");
 310                 return ;
 311         }
 312         if (call->media_pending){
 313                 SalMediaDescription *md=sal_call_get_final_media_description(op);
 314                 if (md && !sal_media_description_empty(md)){
 315                         linphone_core_update_streams (lc,call,md);
 316                         linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 317                 }else{
 318                         /*send a bye*/
 319                         ms_error("Incompatible SDP response received in ACK, need to abort the call");
 320                         linphone_core_abort_call(lc,call,"No codec intersection");
 321                         return;
 322                 }
 323         }
 324 }
 325
 326 /* this callback is called when an incoming re-INVITE modifies the session*/
 327 static void call_updating(SalOp *op){
 328         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 329         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 330         LinphoneCallState prevstate=LinphoneCallIdle;
 331         SalMediaDescription *md;
 332
 333         md=sal_call_get_final_media_description(op);
 334
 335         if (md && !sal_media_description_empty(md))
 336         {
 337                 if ((call->state==LinphoneCallPausedByRemote || call->state==LinphoneCallPaused) &&
 338                     sal_media_description_has_dir(md,SalStreamSendRecv) && strcmp(md->addr,"0.0.0.0")!=0){
 339                         /*make sure we can be resumed */
 340                         if (lc->current_call!=NULL && lc->current_call!=call){
 341                                 ms_warning("Attempt to be resumed but already in call with somebody else!");
 342                                 /*we are actively running another call, reject with a busy*/
 343                                 sal_call_decline (op,SalReasonBusy,NULL);
 344                                 return;
 345                         }
 346                         if(lc->vtable.display_status)
 347                                 lc->vtable.display_status(lc,_("We have been resumed..."));
 348                         linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 349                 }
 350                 else if(call->state==LinphoneCallStreamsRunning &&
 351                         ( sal_media_description_has_dir(md,SalStreamRecvOnly)
 352                          || sal_media_description_has_dir(md,SalStreamInactive)
 353                          || strcmp(md->addr,"0.0.0.0")==0)){
 354                         if(lc->vtable.display_status)
 355                                 lc->vtable.display_status(lc,_("We are being paused..."));
 356                         linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
 357                         if (lc->current_call!=call){
 358                                 ms_error("Inconsitency detected: current call is %p but call %p is being paused !",lc->current_call,call);
 359                         }
 360                 }else{
 361                         prevstate=call->state;
 362                         linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
 363                 }
 364                 /*accept the modification (sends a 200Ok)*/
 365                 sal_call_accept(op);
 366                 linphone_core_update_streams (lc,call,md);
 367                 if (prevstate!=LinphoneCallIdle){
 368                         linphone_call_set_state (call,prevstate,"Connected (streams running)");
 369                 }
 370         }
 371 }
 372
 373 static void call_terminated(SalOp *op, const char *from){
 374         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 375         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 376
 377         if (call==NULL) return;
 378
 379         if (linphone_call_get_state(call)==LinphoneCallEnd || linphone_call_get_state(call)==LinphoneCallError){
 380                 ms_warning("call_terminated: ignoring.");
 381                 return;
 382         }
 383         ms_message("Current call terminated...");
 384         //we stop the call only if we have this current call or if we are in call
 385         if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls)  == 1) || linphone_core_in_call(lc) )) {
 386                 ring_stop(lc->ringstream);
 387                 lc->ringstream=NULL;
 388         }
 389         linphone_call_stop_media_streams(call);
 390         if (lc->vtable.show!=NULL)
 391                 lc->vtable.show(lc);
 392         if (lc->vtable.display_status!=NULL)
 393                 lc->vtable.display_status(lc,_("Call terminated."));
 394
 395         linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
 396 }
 397
 398 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
 399         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 400         char *msg486=_("User is busy.");
 401         char *msg480=_("User is temporarily unavailable.");
 402         /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
 403         char *msg600=_("User does not want to be disturbed.");
 404         char *msg603=_("Call declined.");
 405         const char *msg=details;
 406         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 407
 408         if (call==NULL){
 409                 ms_warning("Call faillure reported on already cleaned call ?");
 410                 return ;
 411         }
 412
 413         if (lc->vtable.show) lc->vtable.show(lc);
 414
 415         if (error==SalErrorNoResponse){
 416                 msg=_("No response.");
 417                 if (lc->vtable.display_status)
 418                         lc->vtable.display_status(lc,msg);
 419         }else if (error==SalErrorProtocol){
 420                 msg=details ? details : _("Protocol error.");
 421                 if (lc->vtable.display_status)
 422                         lc->vtable.display_status(lc, msg);
 423         }else if (error==SalErrorFailure){
 424                 switch(sr){
 425                         case SalReasonDeclined:
 426                                 msg=msg603;
 427                                 if (lc->vtable.display_status)
 428                                         lc->vtable.display_status(lc,msg603);
 429                         break;
 430                         case SalReasonBusy:
 431                                 msg=msg486;
 432                                 if (lc->vtable.display_status)
 433                                         lc->vtable.display_status(lc,msg486);
 434                         break;
 435                         case SalReasonRedirect:
 436                                 msg=_("Redirected");
 437                                 if (lc->vtable.display_status)
 438                                         lc->vtable.display_status(lc,msg);
 439                         break;
 440                         case SalReasonTemporarilyUnavailable:
 441                                 msg=msg480;
 442                                 if (lc->vtable.display_status)
 443                                         lc->vtable.display_status(lc,msg480);
 444                         break;
 445                         case SalReasonNotFound:
 446                                 msg=_("Not found");
 447                                 if (lc->vtable.display_status)
 448                                         lc->vtable.display_status(lc,msg);
 449                         break;
 450                         case SalReasonDoNotDisturb:
 451                                 msg=msg600;
 452                                 if (lc->vtable.display_status)
 453                                         lc->vtable.display_status(lc,msg600);
 454                         break;
 455                         case SalReasonMedia:
 456                                 msg=_("No common codecs");
 457                                 if (lc->vtable.display_status)
 458                                         lc->vtable.display_status(lc,msg);
 459                         break;
 460                         default:
 461                                 if (lc->vtable.display_status)
 462                                         lc->vtable.display_status(lc,_("Call failed."));
 463                 }
 464         }
 465
 466         if (lc->ringstream!=NULL) {
 467                 ring_stop(lc->ringstream);
 468                 lc->ringstream=NULL;
 469         }
 470         linphone_call_stop_media_streams (call);
 471         if (sr!=SalReasonDeclined) linphone_call_set_state(call,LinphoneCallError,msg);
 472         else{
 473                 call->reason=LinphoneReasonDeclined;
 474                 linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
 475         }
 476 }
 477
 478 static void auth_requested(SalOp *h, const char *realm, const char *username){
 479         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 480         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 481         ms_message("auth_requested() for realm=%s, username=%s",realm,username);
 482         if (ai && (ai->works || ai->usecount<3)){
 483                 SalAuthInfo sai;
 484                 sai.username=ai->username;
 485                 sai.userid=ai->userid;
 486                 sai.realm=ai->realm;
 487                 sai.password=ai->passwd;
 488                 ms_message("auth_requested(): authenticating realm=%s, username=%s",realm,username);
 489                 sal_op_authenticate(h,&sai);
 490                 ai->usecount++;
 491         }else{
 492                 if (ai && ai->works==FALSE) {
 493                         register_failure(h, SalErrorFailure, SalReasonForbidden, _("Authentication failure"));
 494                 }
 495                 if (lc->vtable.auth_info_requested)
 496                         lc->vtable.auth_info_requested(lc,realm,username);
 497         }
 498 }
 499
 500 static void auth_success(SalOp *h, const char *realm, const char *username){
 501         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 502         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 503         if (ai){
 504                 ms_message("%s/%s authentication works.",realm,username);
 505                 ai->works=TRUE;
 506         }
 507 }
 508
 509 static void register_success(SalOp *op, bool_t registered){
 510         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 511         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 512         char *msg;
 513
 514         cfg->registered=registered;
 515         linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
 516         linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
 517                                         registered ? "Registration sucessful" : "Unregistration done");
 518         if (lc->vtable.display_status){
 519                 if (cfg->registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
 520                 else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
 521                 lc->vtable.display_status(lc,msg);
 522                 ms_free(msg);
 523         }
 524
 525 }
 526
 527 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
 528         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 529         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 530
 531         if (cfg==NULL){
 532                 ms_warning("Registration failed for unknown proxy config.");
 533                 return ;
 534         }
 535         if (details==NULL)
 536                 details=_("no response timeout");
 537
 538         if (lc->vtable.display_status) {
 539                 char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details  );
 540                 lc->vtable.display_status(lc,msg);
 541                 ms_free(msg);
 542         }
 543         if (error== SalErrorFailure && reason == SalReasonForbidden) {
 544                 linphone_proxy_config_set_error(cfg, LinphoneReasonBadCredentials);
 545         } else if (error == SalErrorNoResponse) {
 546                 linphone_proxy_config_set_error(cfg, LinphoneReasonNoResponse);
 547         }
 548         linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
 549 }
 550
 551 static void vfu_request(SalOp *op){
 552 #ifdef VIDEO_ENABLED
 553         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 554         if (call==NULL){
 555                 ms_warning("VFU request but no call !");
 556                 return ;
 557         }
 558         if (call->videostream)
 559                 video_stream_send_vfu(call->videostream);
 560 #endif
 561 }
 562
 563 static void dtmf_received(SalOp *op, char dtmf){
 564         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 565         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 566         if (lc->vtable.dtmf_received != NULL)
 567                 lc->vtable.dtmf_received(lc, call, dtmf);
 568 }
 569
 570 static void refer_received(Sal *sal, SalOp *op, const char *referto){
 571         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 572         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 573         if (call){
 574                 if (call->refer_to!=NULL){
 575                         ms_free(call->refer_to);
 576                 }
 577                 call->refer_to=ms_strdup(referto);
 578                 call->refer_pending=TRUE;
 579                 linphone_call_set_state(call,LinphoneCallRefered,"Refered");
 580                 if (lc->vtable.display_status){
 581                         char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
 582                         lc->vtable.display_status(lc,msg);
 583                         ms_free(msg);
 584                 }
 585                 if (call->state!=LinphoneCallPaused){
 586                         ms_message("Automatically pausing current call to accept transfer.");
 587                         linphone_core_pause_call(lc,call);
 588                 }
 589                 linphone_core_start_refered_call(lc,call);
 590                 sal_call_accept_refer(op);
 591         }else if (lc->vtable.refer_received){
 592                 lc->vtable.refer_received(lc,referto);
 593                 sal_call_accept_refer(op);
 594         }
 595 }
 596
 597 static void text_received(Sal *sal, const char *from, const char *msg){
 598         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 599         linphone_core_text_received(lc,from,msg);
 600 }
 601
 602 static void notify(SalOp *op, const char *from, const char *msg){
 603         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 604         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 605         ms_message("get a %s notify from %s",msg,from);
 606         if(lc->vtable.notify_recv)
 607                 lc->vtable.notify_recv(lc,call,from,msg);
 608 }
 609
 610 static void notify_presence(SalOp *op, SalSubscribeState ss, SalPresenceStatus status, const char *msg){
 611         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 612         linphone_notify_recv(lc,op,ss,status);
 613 }
 614
 615 static void subscribe_received(SalOp *op, const char *from){
 616         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 617         linphone_subscription_new(lc,op,from);
 618 }
 619
 620 static void subscribe_closed(SalOp *op, const char *from){
 621         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 622         linphone_subscription_closed(lc,op);
 623 }
 624
 625 static void internal_message(Sal *sal, const char *msg){
 626         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 627         if (lc->vtable.show)
 628                 lc->vtable.show(lc);
 629 }
 630
 631 static void ping_reply(SalOp *op){
 632         LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
 633         ms_message("ping reply !");
 634         if (call){
 635                 if (call->state==LinphoneCallOutgoingInit){
 636                         linphone_core_start_invite(call->core,call,NULL);
 637                 }
 638         }
 639         else
 640         {
 641                 ms_warning("ping reply without call attached...");
 642         }
 643 }
 644
 645 SalCallbacks linphone_sal_callbacks={
 646         call_received,
 647         call_ringing,
 648         call_accepted,
 649         call_ack,
 650         call_updating,
 651         call_terminated,
 652         call_failure,
 653         auth_requested,
 654         auth_success,
 655         register_success,
 656         register_failure,
 657         vfu_request,
 658         dtmf_received,
 659         refer_received,
 660         text_received,
 661         notify,
 662         notify_presence,
 663         subscribe_received,
 664         subscribe_closed,
 665         internal_message,
 666         ping_reply
 667 };
 668
 669