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                 /*TODO : play a tone within the context of the current call */
 199         }
 200
 201
 202         linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */
 203         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
 204
 205         if (call->state==LinphoneCallIncomingReceived){
 206                 sal_call_notify_ringing(h,propose_early_media || ringback_tone!=NULL);
 207
 208                 if (propose_early_media || ringback_tone!=NULL){
 209                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
 210                         linphone_core_update_streams(lc,call,md);
 211                 }
 212                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
 213                         linphone_core_accept_call(lc,call);
 214                 }
 215         }
 216         linphone_call_unref(call);
 217
 218         ms_free(barmesg);
 219         ms_free(tmp);
 220 }
 221
 222 static void call_ringing(SalOp *h){
 223         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 224         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h);
 225         SalMediaDescription *md;
 226
 227         if (call==NULL) return;
 228
 229         if (lc->vtable.display_status)
 230                 lc->vtable.display_status(lc,_("Remote ringing."));
 231
 232         md=sal_call_get_final_media_description(h);
 233         if (md==NULL){
 234                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
 235                         ring_stop(lc->ringstream);
 236                         lc->ringstream=NULL;
 237                         lc->dmfs_playing_start_time=0;
 238                 }
 239                 if (lc->ringstream!=NULL) return;       /*already ringing !*/
 240                 if (lc->sound_conf.play_sndcard!=NULL){
 241                         MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
 242                         lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,ringcard);
 243                 }
 244                 ms_message("Remote ringing...");
 245                 if (lc->vtable.display_status)
 246                         lc->vtable.display_status(lc,_("Remote ringing..."));
 247                 linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing");
 248         }else{
 249                 /*accept early media */
 250                 if (call->audiostream && call->audiostream->ticker!=NULL){
 251                         /*streams already started */
 252                         ms_message("Early media already started.");
 253                         return;
 254                 }
 255                 if (lc->vtable.show) lc->vtable.show(lc);
 256                 if (lc->vtable.display_status)
 257                         lc->vtable.display_status(lc,_("Early media."));
 258                 linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media");
 259                 if (lc->ringstream!=NULL){
 260                         ring_stop(lc->ringstream);
 261                         lc->ringstream=NULL;
 262                 }
 263                 ms_message("Doing early media...");
 264                 linphone_core_update_streams (lc,call,md);
 265         }
 266 }
 267
 268 /*
 269  * could be reach :
 270  *  - when the call is accepted
 271  *  - when a request is accepted (pause, resume)
 272  */
 273 static void call_accepted(SalOp *op){
 274         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 275         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 276         SalMediaDescription *md;
 277
 278         if (call==NULL){
 279                 ms_warning("No call to accept.");
 280                 return ;
 281         }
 282
 283         md=sal_call_get_final_media_description(op);
 284
 285         if (call->state==LinphoneCallOutgoingProgress ||
 286             call->state==LinphoneCallOutgoingRinging ||
 287             call->state==LinphoneCallOutgoingEarlyMedia){
 288                 linphone_call_set_state(call,LinphoneCallConnected,"Connected");
 289         }
 290         if (md && !sal_media_description_empty(md)){
 291                 if (sal_media_description_has_dir(md,SalStreamSendOnly) ||
 292                     sal_media_description_has_dir(md,SalStreamInactive)){
 293                         if (lc->vtable.display_status){
 294                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 295                                 char *msg=ms_strdup_printf(_("Call with %s is paused."),tmp);
 296                                 lc->vtable.display_status(lc,msg);
 297                                 ms_free(tmp);
 298                                 ms_free(msg);
 299                         }
 300                         linphone_core_update_streams (lc,call,md);
 301                         linphone_call_set_state(call,LinphoneCallPaused,"Call paused");
 302                 }else if (sal_media_description_has_dir(md,SalStreamRecvOnly)){
 303                         /*we are put on hold when the call is initially accepted */
 304                         if (lc->vtable.display_status){
 305                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 306                                 char *msg=ms_strdup_printf(_("Call answered by %s - on hold."),tmp);
 307                                 lc->vtable.display_status(lc,msg);
 308                                 ms_free(tmp);
 309                                 ms_free(msg);
 310                         }
 311                         linphone_core_update_streams (lc,call,md);
 312                         linphone_call_set_state(call,LinphoneCallPausedByRemote,"Call paused by remote");
 313                 }else{
 314                         if (call->state==LinphoneCallStreamsRunning){
 315                                 /*media was running before, the remote as acceted a call modification (that is
 316                                         a reinvite made by us. We must notify the application this reinvite was accepted*/
 317                                 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
 318                         }else{
 319                                 if (call->state==LinphoneCallResuming){
 320                                         if (lc->vtable.display_status){
 321                                                 lc->vtable.display_status(lc,_("Call resumed."));
 322                                         }
 323                                 }else{
 324                                         if (lc->vtable.display_status){
 325                                                 char *tmp=linphone_call_get_remote_address_as_string (call);
 326                                                 char *msg=ms_strdup_printf(_("Call answered by %s."),tmp);
 327                                                 lc->vtable.display_status(lc,msg);
 328                                                 ms_free(tmp);
 329                                                 ms_free(msg);
 330                                         }
 331                                 }
 332                         }
 333                         linphone_core_update_streams (lc,call,md);
 334                         linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
 335                         lc->current_call=call;
 336                 }
 337         }else{
 338                 /*send a bye*/
 339                 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
 340                 linphone_core_abort_call(lc,call,"No codec intersection");
 341         }
 342 }
 343
 344 static void call_ack(SalOp *op){
 345         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 346         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 347         if (call==NULL){
 348                 ms_warning("No call to be ACK'd");
 349                 return ;
 350         }
 351         if (call->media_pending){
 352                 SalMediaDescription *md=sal_call_get_final_media_description(op);
 353                 if (md && !sal_media_description_empty(md)){
 354                         if (call->state==LinphoneCallStreamsRunning){
 355                                 /*media was running before, the remote as acceted a call modification (that is
 356                                         a reinvite made by us. We must notify the application this reinvite was accepted*/
 357                                 linphone_call_set_state(call, LinphoneCallUpdated, "Call updated");
 358                         }
 359                         linphone_core_update_streams (lc,call,md);
 360                         linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 361                 }else{
 362                         /*send a bye*/
 363                         ms_error("Incompatible SDP response received in ACK, need to abort the call");
 364                         linphone_core_abort_call(lc,call,"No codec intersection");
 365                         return;
 366                 }
 367         }
 368 }
 369
 370
 371 /* this callback is called when an incoming re-INVITE modifies the session*/
 372 static void call_updating(SalOp *op){
 373         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 374         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 375         LinphoneCallState prevstate=LinphoneCallIdle;
 376         SalMediaDescription *md;
 377
 378         md=sal_call_get_final_media_description(op);
 379
 380         if (md && !sal_media_description_empty(md))
 381         {
 382                 if (sal_media_description_has_dir(call->localdesc,SalStreamSendRecv)){
 383                         ms_message("Our local status is SalStreamSendRecv");
 384                         if (sal_media_description_has_dir (md,SalStreamRecvOnly) || sal_media_description_has_dir(md,SalStreamInactive)){
 385                                 /* we are being paused */
 386                                 if(lc->vtable.display_status)
 387                                         lc->vtable.display_status(lc,_("We are being paused..."));
 388                                 linphone_call_set_state (call,LinphoneCallPausedByRemote,"Call paused by remote");
 389                         }else if (!sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv) && sal_media_description_has_dir(md,SalStreamSendRecv)){
 390                                 if(lc->vtable.display_status)
 391                                         lc->vtable.display_status(lc,_("We have been resumed..."));
 392                                 linphone_call_set_state (call,LinphoneCallStreamsRunning,"Connected (streams running)");
 393                                 lc->current_call=call;
 394                         }else{
 395                                 prevstate=call->state;
 396                                 linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote");
 397                         }
 398                 }
 399                 /*accept the modification (sends a 200Ok)*/
 400                 sal_call_accept(op);
 401                 linphone_core_update_streams (lc,call,md);
 402                 if (prevstate!=LinphoneCallIdle){
 403                         linphone_call_set_state (call,prevstate,"Connected (streams running)");
 404                 }
 405         }
 406 }
 407
 408 static void call_terminated(SalOp *op, const char *from){
 409         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 410         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 411
 412         if (call==NULL) return;
 413
 414         if (linphone_call_get_state(call)==LinphoneCallEnd || linphone_call_get_state(call)==LinphoneCallError){
 415                 ms_warning("call_terminated: ignoring.");
 416                 return;
 417         }
 418         ms_message("Current call terminated...");
 419         //we stop the call only if we have this current call or if we are in call
 420         if (lc->ringstream!=NULL && ( (ms_list_size(lc->calls)  == 1) || linphone_core_in_call(lc) )) {
 421                 ring_stop(lc->ringstream);
 422                 lc->ringstream=NULL;
 423         }
 424         linphone_call_stop_media_streams(call);
 425         if (lc->vtable.show!=NULL)
 426                 lc->vtable.show(lc);
 427         if (lc->vtable.display_status!=NULL)
 428                 lc->vtable.display_status(lc,_("Call terminated."));
 429
 430         linphone_call_set_state(call, LinphoneCallEnd,"Call ended");
 431 }
 432
 433 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details, int code){
 434         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 435         char *msg486=_("User is busy.");
 436         char *msg480=_("User is temporarily unavailable.");
 437         /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
 438         char *msg600=_("User does not want to be disturbed.");
 439         char *msg603=_("Call declined.");
 440         const char *msg=details;
 441         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 442
 443         if (call==NULL){
 444                 ms_warning("Call faillure reported on already cleaned call ?");
 445                 return ;
 446         }
 447
 448         if (lc->vtable.show) lc->vtable.show(lc);
 449
 450         if (error==SalErrorNoResponse){
 451                 msg=_("No response.");
 452                 if (lc->vtable.display_status)
 453                         lc->vtable.display_status(lc,msg);
 454         }else if (error==SalErrorProtocol){
 455                 msg=details ? details : _("Protocol error.");
 456                 if (lc->vtable.display_status)
 457                         lc->vtable.display_status(lc, msg);
 458         }else if (error==SalErrorFailure){
 459                 switch(sr){
 460                         case SalReasonDeclined:
 461                                 msg=msg603;
 462                                 if (lc->vtable.display_status)
 463                                         lc->vtable.display_status(lc,msg603);
 464                         break;
 465                         case SalReasonBusy:
 466                                 msg=msg486;
 467                                 if (lc->vtable.display_status)
 468                                         lc->vtable.display_status(lc,msg486);
 469                         break;
 470                         case SalReasonRedirect:
 471                                 msg=_("Redirected");
 472                                 if (lc->vtable.display_status)
 473                                         lc->vtable.display_status(lc,msg);
 474                         break;
 475                         case SalReasonTemporarilyUnavailable:
 476                                 msg=msg480;
 477                                 if (lc->vtable.display_status)
 478                                         lc->vtable.display_status(lc,msg480);
 479                         break;
 480                         case SalReasonNotFound:
 481                                 msg=_("Not found");
 482                                 if (lc->vtable.display_status)
 483                                         lc->vtable.display_status(lc,msg);
 484                         break;
 485                         case SalReasonDoNotDisturb:
 486                                 msg=msg600;
 487                                 if (lc->vtable.display_status)
 488                                         lc->vtable.display_status(lc,msg600);
 489                         break;
 490                         case SalReasonMedia:
 491                                 msg=_("No common codecs");
 492                                 if (lc->vtable.display_status)
 493                                         lc->vtable.display_status(lc,msg);
 494                         break;
 495                         default:
 496                                 if (lc->vtable.display_status)
 497                                         lc->vtable.display_status(lc,_("Call failed."));
 498                 }
 499         }
 500
 501         if (lc->ringstream!=NULL) {
 502                 ring_stop(lc->ringstream);
 503                 lc->ringstream=NULL;
 504         }
 505         linphone_call_stop_media_streams (call);
 506         if (sr!=SalReasonDeclined) linphone_call_set_state(call,LinphoneCallError,msg);
 507         else{
 508                 call->reason=LinphoneReasonDeclined;
 509                 linphone_call_set_state(call,LinphoneCallEnd,"Call declined.");
 510         }
 511 }
 512
 513 static void call_released(SalOp *op){
 514         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 515         if (call!=NULL){
 516                 linphone_call_set_state(call,LinphoneCallReleased,"Call released");
 517         }else ms_error("call_released() for already destroyed call ?");
 518 }
 519
 520 static void auth_requested(SalOp *h, const char *realm, const char *username){
 521         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 522         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 523         ms_message("auth_requested() for realm=%s, username=%s",realm,username);
 524
 525         if (ai && ai->works==FALSE && ai->usecount>=3){
 526                 /*case we tried 3 times to authenticate, without success */
 527                 /*Better is to stop (implemeted below in else statement), and retry later*/
 528                 if (ms_time(NULL)-ai->last_use_time>30){
 529                         ai->usecount=0; /*so that we can allow to retry */
 530                 }
 531         }
 532
 533         if (ai && (ai->works || ai->usecount<3)){
 534                 SalAuthInfo sai;
 535                 sai.username=ai->username;
 536                 sai.userid=ai->userid;
 537                 sai.realm=ai->realm;
 538                 sai.password=ai->passwd;
 539                 ms_message("auth_requested(): authenticating realm=%s, username=%s",realm,username);
 540                 sal_op_authenticate(h,&sai);
 541                 ai->usecount++;
 542                 ai->last_use_time=ms_time(NULL);
 543         }else{
 544                 if (ai && ai->works==FALSE) {
 545                         sal_op_cancel_authentication(h);
 546                 }
 547                 if (lc->vtable.auth_info_requested)
 548                         lc->vtable.auth_info_requested(lc,realm,username);
 549         }
 550 }
 551
 552 static void auth_success(SalOp *h, const char *realm, const char *username){
 553         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 554         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 555         if (ai){
 556                 ms_message("%s/%s authentication works.",realm,username);
 557                 ai->works=TRUE;
 558         }
 559 }
 560
 561 static void register_success(SalOp *op, bool_t registered){
 562         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 563         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 564         char *msg;
 565
 566         cfg->registered=registered;
 567         linphone_proxy_config_set_error(cfg,LinphoneReasonNone);
 568         linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared ,
 569                                         registered ? "Registration sucessful" : "Unregistration done");
 570         if (lc->vtable.display_status){
 571                 if (cfg->registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
 572                 else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
 573                 lc->vtable.display_status(lc,msg);
 574                 ms_free(msg);
 575         }
 576
 577 }
 578
 579 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
 580         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 581         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 582
 583         if (cfg==NULL){
 584                 ms_warning("Registration failed for unknown proxy config.");
 585                 return ;
 586         }
 587         if (details==NULL)
 588                 details=_("no response timeout");
 589
 590         if (lc->vtable.display_status) {
 591                 char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),details  );
 592                 lc->vtable.display_status(lc,msg);
 593                 ms_free(msg);
 594         }
 595         if (error== SalErrorFailure && reason == SalReasonForbidden) {
 596                 linphone_proxy_config_set_error(cfg, LinphoneReasonBadCredentials);
 597         } else if (error == SalErrorNoResponse) {
 598                 linphone_proxy_config_set_error(cfg, LinphoneReasonNoResponse);
 599         }
 600         linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details);
 601         if (error== SalErrorFailure && reason == SalReasonForbidden) {
 602                 const char *realm=NULL,*username=NULL;
 603                 if (sal_op_get_auth_requested(op,&realm,&username)==0){
 604                         if (lc->vtable.auth_info_requested)
 605                                 lc->vtable.auth_info_requested(lc,realm,username);
 606                 }
 607         }
 608 }
 609
 610 static void vfu_request(SalOp *op){
 611 #ifdef VIDEO_ENABLED
 612         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 613         if (call==NULL){
 614                 ms_warning("VFU request but no call !");
 615                 return ;
 616         }
 617         if (call->videostream)
 618                 video_stream_send_vfu(call->videostream);
 619 #endif
 620 }
 621
 622 static void dtmf_received(SalOp *op, char dtmf){
 623         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 624         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 625         if (lc->vtable.dtmf_received != NULL)
 626                 lc->vtable.dtmf_received(lc, call, dtmf);
 627 }
 628
 629 static void refer_received(Sal *sal, SalOp *op, const char *referto){
 630         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 631         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 632         if (call){
 633                 if (call->refer_to!=NULL){
 634                         ms_free(call->refer_to);
 635                 }
 636                 call->refer_to=ms_strdup(referto);
 637                 call->refer_pending=TRUE;
 638                 linphone_call_set_state(call,LinphoneCallRefered,"Refered");
 639                 if (lc->vtable.display_status){
 640                         char *msg=ms_strdup_printf(_("We are transferred to %s"),referto);
 641                         lc->vtable.display_status(lc,msg);
 642                         ms_free(msg);
 643                 }
 644                 if (call->state!=LinphoneCallPaused){
 645                         ms_message("Automatically pausing current call to accept transfer.");
 646                         linphone_core_pause_call(lc,call);
 647                 }
 648                 linphone_core_start_refered_call(lc,call);
 649                 sal_call_accept_refer(op);
 650         }else if (lc->vtable.refer_received){
 651                 lc->vtable.refer_received(lc,referto);
 652                 sal_call_accept_refer(op);
 653         }
 654 }
 655
 656 static void text_received(Sal *sal, const char *from, const char *msg){
 657         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 658         linphone_core_text_received(lc,from,msg);
 659 }
 660
 661 static void notify(SalOp *op, const char *from, const char *msg){
 662         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 663         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op);
 664         ms_message("get a %s notify from %s",msg,from);
 665         if(lc->vtable.notify_recv)
 666                 lc->vtable.notify_recv(lc,call,from,msg);
 667 }
 668
 669 static void notify_presence(SalOp *op, SalSubscribeState ss, SalPresenceStatus status, const char *msg){
 670         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 671         linphone_notify_recv(lc,op,ss,status);
 672 }
 673
 674 static void subscribe_received(SalOp *op, const char *from){
 675         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 676         linphone_subscription_new(lc,op,from);
 677 }
 678
 679 static void subscribe_closed(SalOp *op, const char *from){
 680         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 681         linphone_subscription_closed(lc,op);
 682 }
 683
 684 static void internal_message(Sal *sal, const char *msg){
 685         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 686         if (lc->vtable.show)
 687                 lc->vtable.show(lc);
 688 }
 689
 690 static void ping_reply(SalOp *op){
 691         LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op);
 692         ms_message("ping reply !");
 693         if (call){
 694                 if (call->state==LinphoneCallOutgoingInit){
 695                         linphone_core_start_invite(call->core,call,NULL);
 696                 }
 697         }
 698         else
 699         {
 700                 ms_warning("ping reply without call attached...");
 701         }
 702 }
 703
 704 SalCallbacks linphone_sal_callbacks={
 705         call_received,
 706         call_ringing,
 707         call_accepted,
 708         call_ack,
 709         call_updating,
 710         call_terminated,
 711         call_failure,
 712         call_released,
 713         auth_requested,
 714         auth_success,
 715         register_success,
 716         register_failure,
 717         vfu_request,
 718         dtmf_received,
 719         refer_received,
 720         text_received,
 721         notify,
 722         notify_presence,
 723         subscribe_received,
 724         subscribe_closed,
 725         internal_message,
 726         ping_reply
 727 };
 728
 729