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