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 static bool_t media_parameters_changed(LinphoneCall *call, SalMediaDescription *oldmd, SalMediaDescription *newmd){
  31         if (call->params.in_conference!=call->current_params.in_conference) return TRUE;
  32         return !sal_media_description_equals(oldmd,newmd)  || call->up_bw!=linphone_core_get_upload_bandwidth(call->core);
  33 }
  34
  35 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md){
  36         SalMediaDescription *oldmd=call->resultdesc;
  37
  38         if (lc->ringstream!=NULL){
  39                 ring_stop(lc->ringstream);
  40                 lc->ringstream=NULL;
  41         }
  42         if (new_md!=NULL){
  43                 sal_media_description_ref(new_md);
  44                 call->media_pending=FALSE;
  45         }else{
  46                 call->media_pending=TRUE;
  47         }
  48         call->resultdesc=new_md;
  49         if (call->audiostream && call->audiostream->ticker){
  50                 /* we already started media: check if we really need to restart it*/
  51                 if (oldmd){
  52                         if (!media_parameters_changed(call,oldmd,new_md) && !call->playing_ringbacktone){
  53                                 /*as nothing has changed, keep the oldmd */
  54                                 call->resultdesc=oldmd;
  55                                 sal_media_description_unref(new_md);
  56                                 if (call->all_muted){
  57                                         ms_message("Early media finished, unmuting inputs...");
  58                                         /*we were in early media, now we want to enable real media */
  59                                         linphone_call_enable_camera (call,linphone_call_camera_enabled (call));
  60                                         if (call->audiostream)
  61                                                 linphone_core_mute_mic (lc, linphone_core_is_mic_muted(lc));
  62 #ifdef VIDEO_ENABLED
  63                                         if (call->videostream && call->camera_active)
  64                                                 video_stream_change_camera(call->videostream,lc->video_conf.device );
  65 #endif
  66                                 }
  67                                 ms_message("No need to restart streams, SDP is unchanged.");
  68                                 return;
  69                         }else{
  70                                 ms_message("Media descriptions are different, need to restart the streams.");
  71                         }
  72                 }
  73                 linphone_call_stop_media_streams (call);
  74                 linphone_call_init_media_streams (call);
  75         }
  76         if (oldmd)
  77                 sal_media_description_unref(oldmd);
  78
  79         if (new_md) {
  80                 bool_t all_muted=FALSE;
  81                 bool_t send_ringbacktone=FALSE;
  82
  83                 if (call->audiostream==NULL){
  84                         /*this happens after pausing the call locally. The streams is destroyed and then we wait the 200Ok to recreate it*/
  85                         linphone_call_init_media_streams (call);
  86                 }
  87                 if (call->state==LinphoneCallIncomingEarlyMedia && linphone_core_get_remote_ringback_tone (lc)!=NULL){
  88                         send_ringbacktone=TRUE;
  89                 }
  90                 if (call->state==LinphoneCallIncomingEarlyMedia ||
  91                     (call->state==LinphoneCallOutgoingEarlyMedia && !call->params.real_early_media)){
  92                         all_muted=TRUE;
  93                 }
  94                 linphone_call_start_media_streams(call,all_muted,send_ringbacktone);
  95         }
  96 }
  97 #if 0
  98 static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){
  99         MSList *elem;
 100         for(elem=lc->calls;elem!=NULL;elem=elem->next){
 101                 LinphoneCall *call=(LinphoneCall*)elem->data;
 102                 if (linphone_address_weak_equal(call->log->from,from) &&
 103                     linphone_address_weak_equal(call->log->to, to)){
 104                         return TRUE;
 105                 }
 106         }
 107         return FALSE;
 108 }
 109 #endif
 110
 111 static bool_t already_a_call_with_remote_address(const LinphoneCore *lc, const LinphoneAddress *remote) {
 112         ms_warning(" searching for already_a_call_with_remote_address.");
 113
 114         MSList *elem;
 115         for(elem=lc->calls;elem!=NULL;elem=elem->next){
 116                 const LinphoneCall *call=(LinphoneCall*)elem->data;
 117                 const LinphoneAddress *cRemote=linphone_call_get_remote_address(call);
 118                 if (linphone_address_weak_equal(cRemote,remote)) {
 119                         ms_warning("already_a_call_with_remote_address found.");
 120                         return TRUE;
 121                 }
 122         }
 123         return FALSE;
 124 }
 125
 126 static bool_t already_a_call_pending(LinphoneCore *lc){
 127         MSList *elem;
 128         for(elem=lc->calls;elem!=NULL;elem=elem->next){
 129                 LinphoneCall *call=(LinphoneCall*)elem->data;
 130                 if (call->state==LinphoneCallIncomingReceived
 131                     || call->state==LinphoneCallOutgoingInit
 132                     || call->state==LinphoneCallOutgoingProgress
 133                     || call->state==LinphoneCallOutgoingEarlyMedia
 134                     || call->state==LinphoneCallOutgoingRinging){
 135                         return TRUE;
 136                 }
 137         }
 138         return FALSE;
 139 }
 140
 141 static void call_received(SalOp *h){
 142         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 143         char *barmesg;
 144         LinphoneCall *call;
 145         const char *from,*to;
 146         char *tmp;
 147         LinphoneAddress *from_parsed;
 148         LinphoneAddress *from_addr, *to_addr;
 149         SalMediaDescription *md;
 150         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
 151         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
 152
 153         /* first check if we can answer successfully to this invite */
 154         if (lc->presence_mode==LinphoneStatusBusy ||
 155             lc->presence_mode==LinphoneStatusOffline ||
 156             lc->presence_mode==LinphoneStatusDoNotDisturb ||
 157             lc->presence_mode==LinphoneStatusMoved){
 158                 if (lc->presence_mode==LinphoneStatusBusy )
 159                         sal_call_decline(h,SalReasonBusy,NULL);
 160                 else if (lc->presence_mode==LinphoneStatusOffline)
 161                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
 162                 else if (lc->presence_mode==LinphoneStatusDoNotDisturb)
 163                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
 164                 else if (lc->alt_contact!=NULL && lc->presence_mode==LinphoneStatusMoved)
 165                         sal_call_decline(h,SalReasonRedirect,lc->alt_contact);
 166                 sal_op_release(h);
 167                 return;
 168         }
 169         if (!linphone_core_can_we_add_call(lc)){/*busy*/
 170                 sal_call_decline(h,SalReasonBusy,NULL);
 171                 sal_op_release(h);
 172                 return;
 173         }
 174         from=sal_op_get_from(h);
 175         to=sal_op_get_to(h);
 176         from_addr=linphone_address_new(from);
 177         to_addr=linphone_address_new(to);
 178
 179         if (already_a_call_with_remote_address(lc,from_addr) || already_a_call_pending(lc)){
 180                 ms_warning("Receiving another call while one is ringing or initiated, refusing this one with busy message.");
 181                 sal_call_decline(h,SalReasonBusy,NULL);
 182                 sal_op_release(h);
 183                 linphone_address_destroy(from_addr);
 184                 linphone_address_destroy(to_addr);
 185                 return;
 186         }
 187
 188         call=linphone_call_new_incoming(lc,from_addr,to_addr,h);
 189         sal_call_set_local_media_description(h,call->localdesc);
 190         md=sal_call_get_final_media_description(h);
 191
 192         if (md && sal_media_description_empty(md)){
 193                 sal_call_decline(h,SalReasonMedia,NULL);
 194                 linphone_call_unref(call);
 195                 return;
 196         }
 197
 198         /* the call is acceptable so we can now add it to our list */
 199         linphone_core_add_call(lc,call);
 200
 201         from_parsed=linphone_address_new(sal_op_get_from(h));
 202         linphone_address_clean(from_parsed);
 203         tmp=linphone_address_as_string(from_parsed);
 204         linphone_address_destroy(from_parsed);
 205         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
 206             (sal_call_autoanswer_asked(h)) ?_(" and asked autoanswer."):_("."));
 207         if (lc->vtable.show) lc->vtable.show(lc);
 208         if (lc->vtable.display_status)
 209             lc->vtable.display_status(lc,barmesg);
 210
 211         /* play the ring if this is the only call*/
 212         if (ms_list_size(lc->calls)==1){
 213                 lc->current_call=call;
 214                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
 215                         ring_stop(lc->ringstream);
 216                         lc->ringstream=NULL;
 217                         lc->dmfs_playing_start_time=0;
 218                 }
 219                 if (lc->sound_conf.ring_sndcard!=NULL){
 220                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
 221                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
 222                                 ms_message("Starting local ring...");
 223                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
 224                         }
 225                         else
 226                         {
 227                                 ms_message("the local ring is already started");
 228                         }
 229                 }
 230         }else{
 231                 /* else play a tone within the context of the current call */
 232                 call->ringing_beep=TRUE;
 233                 linphone_core_play_tone(lc);
 234         }
 235
 236
 237         linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */
 238         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
 239
 240         if (call->state==LinphoneCallIncomingReceived){
 241                 sal_call_notify_ringing(h,propose_early_media || ringback_tone!=NULL);
 242
 243                 if (propose_early_media || ringback_tone!=NULL){
 244                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
 245                         linphone_core_update_streams(lc,call,md);
 246                 }
 247                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
 248                         linphone_core_accept_call(lc,call);
 249                 }
 250         }
 251         linphone_call_unref(call);
 252
 253         ms_free(barmesg);
 254         ms_free(tmp);
 255 }
 256
 257 static void call_ringing(SalOp *h){
 258         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 259         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
 260         SalMediaDescription *md;
 261
 262         if (call==NULL) return;
 263
 264         if (lc->vtable.display_status)
 265                 lc->vtable.display_status(lc,_("Remote ringing."));
 266
 267         md=sal_call_get_final_media_description(h);
 268         if (md==NULL){
 269                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
 270                         ring_stop(lc->ringstream);
 271                         lc->ringstream=NULL;
 272                         lc->dmfs_playing_start_time=0;
 273                 }
 274                 if (lc->ringstream!=NULL) return;       /*already ringing !*/
 275                 if (lc->sound_conf.play_sndcard!=NULL){
 276                         MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
 277                         lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
 278                 }
 279                 ms_message("Remote ringing...");
 280                 if (lc->vtable.display_status)
 281                         lc->vtable.display_status(lc,_("Remote ringing..."));
 282                 linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
 283         }else{
 284                 /*accept early media */
 285                 if (call->audiostream && call->audiostream->ticker!=NULL){
 286                         /*streams already started */
 287                         ms_message("Early media already started.");
 288                         return;
 289                 }
 290                 if (lc->vtable.show) lc->vtable.show(lc);
 291                 if (lc->vtable.display_status)
 292                         lc->vtable.display_status(lc,_("Early media."));
 293                 linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
 294                 if (lc->ringstream!=NULL){
 295                         ring_stop(lc->ringstream);
 296                         lc->ringstream=NULL;
 297                 }
 298                 ms_message("Doing early media...");
 299                 linphone_core_update_streams (lc,call,md);
 300         }
 301 }
 302
 303 /*
 304  * could be reach :
 305  *  - when the call is accepted
 306  *  - when a request is accepted (pause, resume)
 307  */
 308 static void call_accepted(SalOp *op){
 309         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 310         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 311         SalMediaDescription *md;
 312
 313         if (call==NULL){
 314                 ms_warning("No call to accept.");
 315                 return ;
 316         }
 317
 318         md=sal_call_get_final_media_description(op);
 319
 320         if (call->state==LinphoneCallOutgoingProgress ||
 321             call->state==LinphoneCallOutgoingRinging ||
 322             call->state==LinphoneCallOutgoingEarlyMedia){
 323                 linphone_call_set_state(call,LinphoneCallConnected,"Connected");
 324         }
 325         if (md && !sal_media_description_empty(md)){
 326                 if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
 327                     sal_media_description_has_dir(md,SalStreamInactive)){
 328                         if (lc->vtable.display_status){
 329                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 330                                 char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
 331                                 lc->vtable.display_status(lc,msg);
 332                                 ms_free(tmp);
 333                                 ms_free(msg);
 334                         }
 335                         linphone_core_update_streams (lc,call,md);
 336                         linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
 337                 }else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
 338                         /*we are put on hold when the call is initially accepted */
 339                         if (lc->vtable.display_status){
 340                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 341                                 char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
 342                                 lc->vtable.display_status(lc,msg);
 343                                 ms_free(tmp);
 344                                 ms_free(msg);
 345                         }
 346                         linphone_core_update_streams (lc,call,md);
 347                         linphone_call_set_state(call,LinphoneCallPausedByRemote,"Call paused by remote");
 348                 }else{
 349                         if (call->state==LinphoneCallStreamsRunning){
 350                                 /*media was running before, the remote as acceted a call modification (that is
 351                                         a reinvite made by us. We must notify the application this reinvite was accepted*/
 352                                 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
 353                         }else{
 354                                 if (call->state==LinphoneCallResuming){
 355                                         if (lc->vtable.display_status){
 356                                                 lc->vtable.display_status(lc,_("Call resumed."));
 357                                         }
 358                                 }else{
 359                                         if (lc->vtable.display_status){
 360                                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 361                                                 char *msg=ms_strdup_printf(_("Call answered by %s."),tmp);
 362                                                 lc->vtable.display_status(lc,msg);
 363                                                 ms_free(tmp);
 364                                                 ms_free(msg);
 365                                         }
 366                                 }
 367                         }
 368                         linphone_core_update_streams (lc,call,md);
 369                         linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
 370                         if (!call->current_params.in_conference)
 371                                 lc->current_call=call;
 372                 }
 373         }else{
 374                 /*send a bye*/
 375                 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
 376                 linphone_core_abort_call(lc,call,"No codec intersection");
 377         }
 378 }
 379
 380 static void call_ack(SalOp *op){
 381         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 382         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 383         if (call==NULL){
 384                 ms_warning("No call to be ACK'd");
 385                 return ;
 386         }
 387         if (call->media_pending){
 388                 SalMediaDescription *md=sal_call_get_final_media_description(op);
 389                 if (md && !sal_media_description_empty(md)){
 390                         if (call->state==LinphoneCallStreamsRunning){
 391                                 /*media was running before, the remote as acceted a call modification (that is
 392                                         a reinvite made by us. We must notify the application this reinvite was accepted*/
 393                                 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
 394                         }
 395                         linphone_core_update_streams (lc,call,md);
 396                         linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 397                 }else{
 398                         /*send a bye*/
 399                         ms_error("Incompatible SDP response received in ACK, need to abort the call");
 400                         linphone_core_abort_call(lc,call,"No codec intersection");
 401                         return;
 402                 }
 403         }
 404 }
 405
 406
 407 /* this callback is called when an incoming re-INVITE modifies the session*/
 408 static void call_updating(SalOp *op){
 409         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 410         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 411         LinphoneCallState prevstate=LinphoneCallIdle;
 412         SalMediaDescription *md;
 413         SalMediaDescription *old_md=call->resultdesc;
 414
 415         sal_media_description_ref(old_md);
 416
 417         md=sal_call_get_final_media_description(op);
 418
 419         /*accept the modification (sends a 200Ok)*/
 420         sal_call_accept(op);
 421
 422         if (md && !sal_media_description_empty(md))
 423         {
 424                 linphone_core_update_streams (lc,call,md);
 425
 426                 if (sal_media_description_has_dir(call->localdesc,SalStreamSendRecv)){
 427                         ms_message("Our local status is SalStreamSendRecv");
 428                         if (sal_media_description_has_dir (md,SalStreamRecvOnly) || sal_media_description_has_dir(md,SalStreamInactive)){
 429                                 /* we are being paused */
 430                                 if(lc->vtable.display_status)
 431                                         lc->vtable.display_status(lc,_("We are being paused..."));
 432                                 linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
 433                         }else if (!sal_media_description_has_dir(old_md,SalStreamSendRecv) && sal_media_description_has_dir(md,SalStreamSendRecv)){
 434                                 if(lc->vtable.display_status)
 435                                         lc->vtable.display_status(lc,_("We have been resumed..."));
 436                                 linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 437                         }else{
 438                                 prevstate=call->state;
 439                                 if(lc->vtable.display_status)
 440                                         lc->vtable.display_status(lc,_("Call has been updated by remote..."));
 441                                 linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
 442                         }
 443                 }
 444
 445                 if (prevstate!=LinphoneCallIdle){
 446                         linphone_call_set_state (call,prevstate,"Connected (streams running)");
 447                 }
 448         }
 449         sal_media_description_unref(old_md);
 450 }
 451
 452 static void call_terminated(SalOp *op, const char *from){
 453         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 454         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 455
 456         if (call==NULL) return;
 457
 458         if (linphone_call_get_state(call)==LinphoneCallEnd || linphone_call_get_state(call)==LinphoneCallError){
 459                 ms_warning("call_terminated: ignoring.");
 460                 return;
 461         }
 462         ms_message("Current call terminated...");
 463         //we stop the call only if we have this current call or if we are in call
 464         if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls)  == 1) || linphone_core_in_call(lc) )) {
 465                 ring_stop(lc->ringstream);
 466                 lc->ringstream=NULL;
 467         }
 468         linphone_call_stop_media_streams(call);
 469         if (lc->vtable.show!=NULL)
 470                 lc->vtable.show(lc);
 471         if (lc->vtable.display_status!=NULL)
 472                 lc->vtable.display_status(lc,_("Call terminated."));
 473
 474         linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
 475 }
 476
 477 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
 478         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 479         char *msg486=_("User is busy.");
 480         char *msg480=_("User is temporarily unavailable.");
 481         /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
 482         char *msg600=_("User does not want to be disturbed.");
 483         char *msg603=_("Call declined.");
 484         const char *msg=details;
 485         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 486
 487         if (call==NULL){
 488                 ms_warning("Call faillure reported on already cleaned call ?");
 489                 return ;
 490         }
 491
 492         if (lc->vtable.show) lc->vtable.show(lc);
 493
 494         if (error==SalErrorNoResponse){
 495                 msg=_("No response.");
 496                 if (lc->vtable.display_status)
 497                         lc->vtable.display_status(lc,msg);
 498         }else if (error==SalErrorProtocol){
 499                 msg=details ? details : _("Protocol error.");
 500                 if (lc->vtable.display_status)
 501                         lc->vtable.display_status(lc, msg);
 502         }else if (error==SalErrorFailure){
 503                 switch(sr){
 504                         case SalReasonDeclined:
 505                                 msg=msg603;
 506                                 if (lc->vtable.display_status)
 507                                         lc->vtable.display_status(lc,msg603);
 508                         break;
 509                         case SalReasonBusy:
 510                                 msg=msg486;
 511                                 if (lc->vtable.display_status)
 512                                         lc->vtable.display_status(lc,msg486);
 513                         break;
 514                         case SalReasonRedirect:
 515                                 msg=_("Redirected");
 516                                 if (lc->vtable.display_status)
 517                                         lc->vtable.display_status(lc,msg);
 518                         break;
 519                         case SalReasonTemporarilyUnavailable:
 520                                 msg=msg480;
 521                                 if (lc->vtable.display_status)
 522                                         lc->vtable.display_status(lc,msg480);
 523                         break;
 524                         case SalReasonNotFound:
 525                                 msg=_("Not found");
 526                                 if (lc->vtable.display_status)
 527                                         lc->vtable.display_status(lc,msg);
 528                         break;
 529                         case SalReasonDoNotDisturb:
 530                                 msg=msg600;
 531                                 if (lc->vtable.display_status)
 532                                         lc->vtable.display_status(lc,msg600);
 533                         break;
 534                         case SalReasonMedia:
 535                         //media_encryption_mandatory
 536                                 if (call->params.media_encryption == LinphoneMediaEncryptionSRTP &&
 537                                         !linphone_core_is_media_encryption_mandatory(lc)) {
 538                                         int i;
 539                                         ms_message("Outgoing call failed with SRTP (SAVP) enabled - retrying with AVP");
 540                                         linphone_call_stop_media_streams(call);
 541                                         /* clear SRTP local params */
 542                                         call->params.media_encryption = LinphoneMediaEncryptionNone;
 543                                         for(i=0; i<call->localdesc->nstreams; i++) {
 544                                                 call->localdesc->streams[i].proto = SalProtoRtpAvp;
 545                                                 memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto));
 546                                         }
 547                                         linphone_core_start_invite(lc, call, NULL);
 548                                         return;
 549                                 }
 550                                 msg=_("No common codecs");
 551                                 if (lc->vtable.display_status)
 552                                         lc->vtable.display_status(lc,msg);
 553                         break;
 554                         default:
 555                                 if (lc->vtable.display_status)
 556                                         lc->vtable.display_status(lc,_("Call failed."));
 557                 }
 558         }
 559
 560         if (lc->ringstream!=NULL) {
 561                 ring_stop(lc->ringstream);
 562                 lc->ringstream=NULL;
 563         }
 564         linphone_call_stop_media_streams (call);
 565         if (sr!=SalReasonDeclined) linphone_call_set_state(call,LinphoneCallError,msg);
 566         else{
 567                 call->reason=LinphoneReasonDeclined;
 568                 linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
 569         }
 570 }
 571
 572 static void call_released(SalOp *op){
 573         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 574         if (call!=NULL){
 575                 linphone_call_set_state(call,LinphoneCallReleased,"Call released");
 576         }else ms_error("call_released() for already destroyed call ?");
 577 }
 578
 579 static void auth_requested(SalOp *h, const char *realm, const char *username){
 580         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 581         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 582         ms_message("auth_requested() for realm=%s, username=%s",realm,username);
 583
 584         if (ai && ai->works==FALSE && ai->usecount>=3){
 585                 /*case we tried 3 times to authenticate, without success */
 586                 /*Better is to stop (implemeted below in else statement), and retry later*/
 587                 if (ms_time(NULL)-ai->last_use_time>30){
 588                         ai->usecount=0; /*so that we can allow to retry */
 589                 }
 590         }
 591
 592         if (ai && (ai->works || ai->usecount<3)){
 593                 SalAuthInfo sai;
 594                 sai.username=ai->username;
 595                 sai.userid=ai->userid;
 596                 sai.realm=ai->realm;
 597                 sai.password=ai->passwd;
 598                 ms_message("auth_requested(): authenticating realm=%s, username=%s",realm,username);
 599                 sal_op_authenticate(h,&sai);
 600                 ai->usecount++;
 601                 ai->last_use_time=ms_time(NULL);
 602         }else{
 603                 if (ai && ai->works==FALSE) {
 604                         sal_op_cancel_authentication(h);
 605                 }
 606                 if (lc->vtable.auth_info_requested)
 607                         lc->vtable.auth_info_requested(lc,realm,username);
 608         }
 609 }
 610
 611 static void auth_success(SalOp *h, const char *realm, const char *username){
 612         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 613         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 614         if (ai){
 615                 ms_message("%s/%s authentication works.",realm,username);
 616                 ai->works=TRUE;
 617         }
 618 }
 619
 620 static void register_success(SalOp *op, bool_t registered){
 621         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 622         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 623         char *msg;
 624
 625         cfg->registered=registered;
 626         linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
 627         linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
 628                                         registered ? "Registration sucessful" : "Unregistration done");
 629         if (lc->vtable.display_status){
 630                 if (cfg->registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
 631                 else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
 632                 lc->vtable.display_status(lc,msg);
 633                 ms_free(msg);
 634         }
 635
 636 }
 637
 638 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
 639         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 640         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 641
 642         if (cfg==NULL){
 643                 ms_warning("Registration failed for unknown proxy config.");
 644                 return ;
 645         }
 646         if (details==NULL)
 647                 details=_("no response timeout");
 648
 649         if (lc->vtable.display_status) {
 650                 char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details  );
 651                 lc->vtable.display_status(lc,msg);
 652                 ms_free(msg);
 653         }
 654         if (error== SalErrorFailure && reason == SalReasonForbidden) {
 655                 linphone_proxy_config_set_error(cfg, LinphoneReasonBadCredentials);
 656         } else if (error == SalErrorNoResponse) {
 657                 linphone_proxy_config_set_error(cfg, LinphoneReasonNoResponse);
 658         }
 659         linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
 660         if (error== SalErrorFailure && reason == SalReasonForbidden) {
 661                 const char *realm=NULL,*username=NULL;
 662                 if (sal_op_get_auth_requested(op,&realm,&username)==0){
 663                         if (lc->vtable.auth_info_requested)
 664                                 lc->vtable.auth_info_requested(lc,realm,username);
 665                 }
 666         }
 667 }
 668
 669 static void vfu_request(SalOp *op){
 670 #ifdef VIDEO_ENABLED
 671         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 672         if (call==NULL){
 673                 ms_warning("VFU request but no call !");
 674                 return ;
 675         }
 676         if (call->videostream)
 677                 video_stream_send_vfu(call->videostream);
 678 #endif
 679 }
 680
 681 static void dtmf_received(SalOp *op, char dtmf){
 682         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 683         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 684         if (lc->vtable.dtmf_received != NULL)
 685                 lc->vtable.dtmf_received(lc, call, dtmf);
 686 }
 687
 688 static void refer_received(Sal *sal, SalOp *op, const char *referto){
 689         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 690         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 691         if (call){
 692                 if (call->refer_to!=NULL){
 693                         ms_free(call->refer_to);
 694                 }
 695                 call->refer_to=ms_strdup(referto);
 696                 call->refer_pending=TRUE;
 697                 linphone_call_set_state(call,LinphoneCallRefered,"Refered");
 698                 if (lc->vtable.display_status){
 699                         char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
 700                         lc->vtable.display_status(lc,msg);
 701                         ms_free(msg);
 702                 }
 703                 if (call->state!=LinphoneCallPaused){
 704                         ms_message("Automatically pausing current call to accept transfer.");
 705                         linphone_core_pause_call(lc,call);
 706                 }
 707                 linphone_core_start_refered_call(lc,call);
 708                 sal_call_accept_refer(op);
 709         }else if (lc->vtable.refer_received){
 710                 lc->vtable.refer_received(lc,referto);
 711                 sal_call_accept_refer(op);
 712         }
 713 }
 714
 715 static void text_received(Sal *sal, const char *from, const char *msg){
 716         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 717         linphone_core_text_received(lc,from,msg);
 718 }
 719
 720 static void notify(SalOp *op, const char *from, const char *msg){
 721         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 722         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 723         ms_message("get a %s notify from %s",msg,from);
 724         if(lc->vtable.notify_recv)
 725                 lc->vtable.notify_recv(lc,call,from,msg);
 726 }
 727
 728 static void notify_presence(SalOp *op, SalSubscribeState ss, SalPresenceStatus status, const char *msg){
 729         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 730         linphone_notify_recv(lc,op,ss,status);
 731 }
 732
 733 static void subscribe_received(SalOp *op, const char *from){
 734         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 735         linphone_subscription_new(lc,op,from);
 736 }
 737
 738 static void subscribe_closed(SalOp *op, const char *from){
 739         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 740         linphone_subscription_closed(lc,op);
 741 }
 742
 743 static void ping_reply(SalOp *op){
 744         LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
 745         ms_message("ping reply !");
 746         if (call){
 747                 if (call->state==LinphoneCallOutgoingInit){
 748                         linphone_core_start_invite(call->core,call,NULL);
 749                 }
 750         }
 751         else
 752         {
 753                 ms_warning("ping reply without call attached...");
 754         }
 755 }
 756
 757 SalCallbacks linphone_sal_callbacks={
 758         call_received,
 759         call_ringing,
 760         call_accepted,
 761         call_ack,
 762         call_updating,
 763         call_terminated,
 764         call_failure,
 765         call_released,
 766         auth_requested,
 767         auth_success,
 768         register_success,
 769         register_failure,
 770         vfu_request,
 771         dtmf_received,
 772         refer_received,
 773         text_received,
 774         notify,
 775         notify_presence,
 776         subscribe_received,
 777         subscribe_closed,
 778         ping_reply
 779 };
 780
 781