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
  27 static void linphone_connect_incoming(LinphoneCore *lc, LinphoneCall *call){
  28         if (lc->vtable.show)
  29                 lc->vtable.show(lc);
  30         if (lc->vtable.display_status)
  31                 lc->vtable.display_status(lc,_("Connected."));
  32         call->state=LCStateAVRunning;
  33         if (lc->ringstream!=NULL){
  34                 ring_stop(lc->ringstream);
  35                 lc->ringstream=NULL;
  36         }
  37         linphone_core_start_media_streams(lc,call);
  38 }
  39
  40 static void call_received(SalOp *h){
  41         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
  42         char *barmesg;
  43         LinphoneCall *call;
  44         const char *from,*to;
  45         char *tmp;
  46         LinphoneAddress *from_parsed;
  47
  48         /* first check if we can answer successfully to this invite */
  49         if (lc->presence_mode!=LINPHONE_STATUS_ONLINE){
  50                 ms_message("Not present !! presence mode : %d\n",lc->presence_mode);
  51                 if (lc->presence_mode==LINPHONE_STATUS_BUSY)
  52                         sal_call_decline(h,SalReasonBusy,NULL);
  53                 else if (lc->presence_mode==LINPHONE_STATUS_AWAY
  54                          ||lc->presence_mode==LINPHONE_STATUS_BERIGHTBACK
  55                          ||lc->presence_mode==LINPHONE_STATUS_ONTHEPHONE
  56                          ||lc->presence_mode==LINPHONE_STATUS_OUTTOLUNCH
  57                          ||lc->presence_mode==LINPHONE_STATUS_OFFLINE)
  58                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
  59                 else if (lc->presence_mode==LINPHONE_STATUS_NOT_DISTURB)
  60                         sal_call_decline(h,SalReasonTemporarilyUnavailable,NULL);
  61                 else if (lc->alt_contact!=NULL && lc->presence_mode==LINPHONE_STATUS_MOVED)
  62                         sal_call_decline(h,SalReasonRedirect,lc->alt_contact);
  63                 else
  64                         sal_call_decline(h,SalReasonBusy,NULL);
  65                 sal_op_release(h);
  66                 return;
  67         }
  68         if (lc->call!=NULL){/*busy*/
  69                 sal_call_decline(h,SalReasonBusy,NULL);
  70                 sal_op_release(h);
  71                 return;
  72         }
  73         from=sal_op_get_from(h);
  74         to=sal_op_get_to(h);
  75
  76         call=linphone_call_new_incoming(lc,linphone_address_new(from),linphone_address_new(to),h);
  77         lc->call=call;
  78         sal_call_set_local_media_description(h,call->localdesc);
  79         call->resultdesc=sal_call_get_final_media_description(h);
  80         if (call->resultdesc)
  81                 sal_media_description_ref(call->resultdesc);
  82         if (call->resultdesc && sal_media_description_empty(call->resultdesc)){
  83                 sal_call_decline(h,SalReasonMedia,NULL);
  84                 linphone_call_destroy(call);
  85                 lc->call=NULL;
  86                 return;
  87         }
  88
  89         from_parsed=linphone_address_new(sal_op_get_from(h));
  90         linphone_address_clean(from_parsed);
  91         tmp=linphone_address_as_string(from_parsed);
  92         linphone_address_destroy(from_parsed);
  93         gstate_new_state(lc, GSTATE_CALL_IN_INVITE, tmp);
  94         barmesg=ortp_strdup_printf(_("%s is contacting you"),tmp);
  95         if (lc->vtable.show) lc->vtable.show(lc);
  96         if (lc->vtable.display_status)
  97             lc->vtable.display_status(lc,barmesg);
  98
  99         /* play the ring */
 100         if (lc->sound_conf.ring_sndcard!=NULL){
 101                 ms_message("Starting local ring...");
 102                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,lc->sound_conf.ring_sndcard);
 103         }
 104         linphone_call_set_state(call,LCStateRinging);
 105         sal_call_notify_ringing(h);
 106         linphone_core_init_media_streams(lc,lc->call);
 107         if (lc->vtable.inv_recv) lc->vtable.inv_recv(lc,tmp);
 108         ms_free(barmesg);
 109         ms_free(tmp);
 110 }
 111
 112 static void call_ringing(SalOp *h){
 113         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 114         LinphoneCall *call=lc->call;
 115         SalMediaDescription *md;
 116         if (call==NULL) return;
 117         if (lc->vtable.display_status)
 118                 lc->vtable.display_status(lc,_("Remote ringing."));
 119         md=sal_call_get_final_media_description(h);
 120         if (md==NULL){
 121                 if (lc->ringstream!=NULL) return;       /*already ringing !*/
 122                 if (lc->sound_conf.play_sndcard!=NULL){
 123                         ms_message("Remote ringing...");
 124                         lc->ringstream=ring_start(lc->sound_conf.remote_ring,2000,lc->sound_conf.play_sndcard);
 125                 }
 126         }else{
 127                 /*accept early media */
 128                 if (lc->audiostream->ticker!=NULL){
 129                         /*streams already started */
 130                         ms_message("Early media already started.");
 131                         return;
 132                 }
 133                 sal_media_description_ref(md);
 134                 call->resultdesc=md;
 135                 if (lc->vtable.show) lc->vtable.show(lc);
 136                 if (lc->vtable.display_status)
 137                         lc->vtable.display_status(lc,_("Early media."));
 138                 gstate_new_state(lc, GSTATE_CALL_OUT_CONNECTED, NULL);
 139                 if (lc->ringstream!=NULL){
 140                         ring_stop(lc->ringstream);
 141                         lc->ringstream=NULL;
 142                 }
 143                 ms_message("Doing early media...");
 144                 linphone_core_start_media_streams(lc,call);
 145                 call->media_pending=TRUE;
 146         }
 147         call->state=LCStateRinging;
 148 }
 149
 150 static void call_accepted(SalOp *op){
 151         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 152         LinphoneCall *call=lc->call;
 153         if (call==NULL){
 154                 ms_warning("No call to accept.");
 155                 return ;
 156         }
 157         if (sal_op_get_user_pointer(op)!=lc->call){
 158                 ms_warning("call_accepted: ignoring.");
 159                 return;
 160         }
 161         if (call->state==LCStateAVRunning){
 162                 return ; /*already accepted*/
 163         }
 164         if (lc->audiostream->ticker!=NULL){
 165                 /*case where we accepted early media */
 166                 linphone_core_stop_media_streams(lc,call);
 167                 linphone_core_init_media_streams(lc,call);
 168         }
 169         if (call->resultdesc)
 170                 sal_media_description_unref(call->resultdesc);
 171         call->resultdesc=sal_call_get_final_media_description(op);
 172         if (call->resultdesc){
 173                 sal_media_description_ref(call->resultdesc);
 174                 call->media_pending=FALSE;
 175         }
 176         if (call->resultdesc && !sal_media_description_empty(call->resultdesc)){
 177                 gstate_new_state(lc, GSTATE_CALL_OUT_CONNECTED, NULL);
 178                 linphone_connect_incoming(lc,call);
 179         }else{
 180                 /*send a bye*/
 181                 ms_error("Incompatible SDP offer received in 200Ok, need to abort the call");
 182                 linphone_core_terminate_call(lc,NULL);
 183         }
 184 }
 185
 186 static void call_ack(SalOp *op){
 187         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 188         LinphoneCall *call=lc->call;
 189         if (call==NULL){
 190                 ms_warning("No call to be ACK'd");
 191                 return ;
 192         }
 193         if (sal_op_get_user_pointer(op)!=lc->call){
 194                 ms_warning("call_ack: ignoring.");
 195                 return;
 196         }
 197         if (call->media_pending){
 198                 if (lc->audiostream->ticker!=NULL){
 199                         /*case where we accepted early media */
 200                         linphone_core_stop_media_streams(lc,call);
 201                         linphone_core_init_media_streams(lc,call);
 202                 }
 203                 if (call->resultdesc)
 204                         sal_media_description_unref(call->resultdesc);
 205                 call->resultdesc=sal_call_get_final_media_description(op);
 206                 if (call->resultdesc)
 207                         sal_media_description_ref(call->resultdesc);
 208                 if (call->resultdesc && !sal_media_description_empty(call->resultdesc)){
 209                         gstate_new_state(lc, GSTATE_CALL_IN_CONNECTED, NULL);
 210                         linphone_connect_incoming(lc,call);
 211                 }else{
 212                         /*send a bye*/
 213                         ms_error("Incompatible SDP response received in ACK, need to abort the call");
 214                         linphone_core_terminate_call(lc,NULL);
 215                 }
 216                 call->media_pending=FALSE;
 217         }
 218 }
 219
 220 static void call_updated(SalOp *op){
 221         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 222         LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op);
 223         linphone_core_stop_media_streams(lc,call);
 224         linphone_core_init_media_streams(lc,call);
 225         if (call->resultdesc)
 226                 sal_media_description_unref(call->resultdesc);
 227         call->resultdesc=sal_call_get_final_media_description(op);
 228         if (call->resultdesc && !sal_media_description_empty(call->resultdesc)){
 229                 linphone_connect_incoming(lc,call);
 230         }
 231 }
 232
 233 static void call_terminated(SalOp *op, const char *from){
 234         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 235         if (sal_op_get_user_pointer(op)!=lc->call){
 236                 ms_warning("call_terminated: ignoring.");
 237                 return;
 238         }
 239         ms_message("Current call terminated...");
 240         if (lc->ringstream!=NULL) {
 241                 ring_stop(lc->ringstream);
 242                 lc->ringstream=NULL;
 243         }
 244         linphone_core_stop_media_streams(lc,lc->call);
 245         lc->vtable.show(lc);
 246         lc->vtable.display_status(lc,_("Call terminated."));
 247         gstate_new_state(lc, GSTATE_CALL_END, NULL);
 248         if (lc->vtable.bye_recv!=NULL){
 249                 LinphoneAddress *addr=linphone_address_new(from);
 250                 char *tmp;
 251                 linphone_address_clean(addr);
 252                 tmp=linphone_address_as_string(addr);
 253                 lc->vtable.bye_recv(lc,tmp);
 254                 ms_free(tmp);
 255                 linphone_address_destroy(addr);
 256         }
 257         linphone_call_destroy(lc->call);
 258         lc->call=NULL;
 259 }
 260
 261 static void call_failure(SalOp *op, SalError error, SalReason sr, const char *details){
 262         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 263         char *msg486=_("User is busy.");
 264         char *msg480=_("User is temporarily unavailable.");
 265         /*char *retrymsg=_("%s. Retry after %i minute(s).");*/
 266         char *msg600=_("User does not want to be disturbed.");
 267         char *msg603=_("Call declined.");
 268         LinphoneCall *call=lc->call;
 269
 270         if (sal_op_get_user_pointer(op)!=lc->call){
 271                 ms_warning("call_failure: ignoring.");
 272                 return;
 273         }
 274         if (lc->vtable.show) lc->vtable.show(lc);
 275
 276         if (error==SalErrorNoResponse){
 277                 if (lc->vtable.display_status)
 278                         lc->vtable.display_status(lc,_("No response."));
 279         }else if (error==SalErrorProtocol){
 280                 if (lc->vtable.display_status)
 281                         lc->vtable.display_status(lc, details ? details : _("Error."));
 282         }else if (error==SalErrorFailure){
 283                 switch(sr){
 284                         case SalReasonDeclined:
 285                                 if (lc->vtable.display_status)
 286                                         lc->vtable.display_status(lc,msg603);
 287                         break;
 288                         case SalReasonBusy:
 289                                 if (lc->vtable.display_status)
 290                                         lc->vtable.display_status(lc,msg486);
 291                         break;
 292                         case SalReasonRedirect:
 293                                 if (lc->vtable.display_status)
 294                                         lc->vtable.display_status(lc,_("Redirected"));
 295                         break;
 296                         case SalReasonTemporarilyUnavailable:
 297                                 if (lc->vtable.display_status)
 298                                         lc->vtable.display_status(lc,msg480);
 299                         break;
 300                         case SalReasonNotFound:
 301                                 if (lc->vtable.display_status)
 302                                         lc->vtable.display_status(lc,_("Not found"));
 303                         break;
 304                         case SalReasonDoNotDisturb:
 305                                 if (lc->vtable.display_status)
 306                                         lc->vtable.display_status(lc,msg600);
 307                         break;
 308                         case SalReasonMedia:
 309                                 if (lc->vtable.display_status)
 310                                         lc->vtable.display_status(lc,_("No common codecs"));
 311                         break;
 312                         default:
 313                                 if (lc->vtable.display_status)
 314                                         lc->vtable.display_status(lc,_("Call failed."));
 315                 }
 316         }
 317         if (lc->ringstream!=NULL) {
 318                 ring_stop(lc->ringstream);
 319                 lc->ringstream=NULL;
 320         }
 321         linphone_core_stop_media_streams(lc,call);
 322         if (call!=NULL) {
 323                 linphone_call_destroy(call);
 324                 gstate_new_state(lc, GSTATE_CALL_ERROR, NULL);
 325                 lc->call=NULL;
 326         }
 327 }
 328
 329 static void auth_requested(SalOp *h, const char *realm, const char *username){
 330         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 331         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 332         if (ai && (ai->works || ai->usecount<3)){
 333                 SalAuthInfo sai;
 334                 sai.username=ai->username;
 335                 sai.userid=ai->userid;
 336                 sai.realm=ai->realm;
 337                 sai.password=ai->passwd;
 338                 sal_op_authenticate(h,&sai);
 339                 ai->usecount++;
 340         }else{
 341                 if (lc->vtable.auth_info_requested)
 342                         lc->vtable.auth_info_requested(lc,realm,username);
 343         }
 344 }
 345
 346 static void auth_success(SalOp *h, const char *realm, const char *username){
 347         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h));
 348         LinphoneAuthInfo *ai=(LinphoneAuthInfo*)linphone_core_find_auth_info(lc,realm,username);
 349         if (ai)
 350                 ai->works=TRUE;
 351 }
 352
 353 static void register_success(SalOp *op, bool_t registered){
 354         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 355         LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op);
 356         char *msg;
 357         gstate_new_state(lc, GSTATE_REG_OK, NULL);
 358         cfg->registered=registered;
 359         if (cfg->registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op));
 360         else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op));
 361         if (lc->vtable.display_status)
 362                 lc->vtable.display_status(lc,msg);
 363         ms_free(msg);
 364 }
 365
 366 static void register_failure(SalOp *op, SalError error, SalReason reason, const char *details){
 367         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 368         char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op),(details!=NULL) ? details : _("no response timeout"));
 369         if (lc->vtable.display_status) lc->vtable.display_status(lc,msg);
 370         gstate_new_state(lc, GSTATE_REG_FAILED, msg);
 371         ms_free(msg);
 372 }
 373
 374 static void vfu_request(SalOp *op){
 375         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 376 #ifdef VIDEO_ENABLED
 377         if (lc->videostream)
 378                 video_stream_send_vfu(lc->videostream);
 379 #endif
 380 }
 381
 382 static void dtmf_received(SalOp *op, char dtmf){
 383         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 384         if (lc->vtable.dtmf_received != NULL)
 385                 lc->vtable.dtmf_received(lc, dtmf);
 386 }
 387
 388 static void refer_received(Sal *sal, SalOp *op, const char *referto){
 389         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 390         if (lc->vtable.refer_received)
 391                 lc->vtable.refer_received(lc,referto);
 392 }
 393
 394 static void text_received(Sal *sal, const char *from, const char *msg){
 395         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 396         linphone_core_text_received(lc,from,msg);
 397 }
 398
 399 static void notify(SalOp *op, SalSubscribeState ss, SalPresenceStatus status, const char *msg){
 400         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 401         linphone_notify_recv(lc,op,ss,status);
 402 }
 403
 404 static void subscribe_received(SalOp *op, const char *from){
 405         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 406         linphone_subscription_new(lc,op,from);
 407 }
 408
 409 static void subscribe_closed(SalOp *op, const char *from){
 410         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op));
 411         linphone_subscription_closed(lc,op);
 412 }
 413
 414 static void internal_message(Sal *sal, const char *msg){
 415         LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal);
 416         if (lc->vtable.show)
 417                 lc->vtable.show(lc);
 418 }
 419
 420 SalCallbacks linphone_sal_callbacks={
 421         call_received,
 422         call_ringing,
 423         call_accepted,
 424         call_ack,
 425         call_updated,
 426         call_terminated,
 427         call_failure,
 428         auth_requested,
 429         auth_success,
 430         register_success,
 431         register_failure,
 432         vfu_request,
 433         dtmf_received,
 434         refer_received,
 435         text_received,
 436         notify,
 437         subscribe_received,
 438         subscribe_closed,
 439         internal_message
 440 };
 441
 442