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