sjero.net Git - linphone/blob - coreapi/linphonecore.c

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   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 #include "linphonecore.h"
  21 #include "sipsetup.h"
  22 #include "lpconfig.h"
  23 #include "private.h"
  24
  25 #include <ortp/telephonyevents.h>
  26 #include "mediastreamer2/mediastream.h"
  27 #include "mediastreamer2/mseventqueue.h"
  28 #include "mediastreamer2/msvolume.h"
  29 #include "mediastreamer2/msequalizer.h"
  30 #include "mediastreamer2/dtmfgen.h"
  31
  32 #ifdef INET6
  33 #ifndef WIN32
  34 #include <netdb.h>
  35 #endif
  36 #endif
  37
  38 /*#define UNSTANDART_GSM_11K 1*/
  39
  40 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  41 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable);
  42
  43 #include "enum.h"
  44
  45 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  46 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  47
  48 /* relative path where is stored local ring*/
  49 #define LOCAL_RING "rings/oldphone.wav"
  50 /* same for remote ring (ringback)*/
  51 #define REMOTE_RING "ringback.wav"
  52
  53 extern SalCallbacks linphone_sal_callbacks;
  54
  55 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  56 {
  57   obj->_func=func;
  58   obj->_user_data=ud;
  59 }
  60
  61 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  62         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  63         return 0;
  64 }
  65
  66
  67 /*prevent a gcc bug with %c*/
  68 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  69 #if !defined(_WIN32_WCE)
  70         return strftime(s, max, fmt, tm);
  71 #else
  72         return 0;
  73         /*FIXME*/
  74 #endif /*_WIN32_WCE*/
  75 }
  76
  77 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  78         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  79 }
  80
  81 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  82         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  83         struct tm loctime;
  84         cl->dir=call->dir;
  85 #ifdef WIN32
  86 #if !defined(_WIN32_WCE)
  87         loctime=*localtime(&call->start_time);
  88         /*FIXME*/
  89 #endif /*_WIN32_WCE*/
  90 #else
  91         localtime_r(&call->start_time,&loctime);
  92 #endif
  93         set_call_log_date(cl,&loctime);
  94         cl->from=from;
  95         cl->to=to;
  96         return cl;
  97 }
  98
  99 static void call_logs_write_to_config_file(LinphoneCore *lc){
 100         MSList *elem;
 101         char logsection[32];
 102         int i;
 103         char *tmp;
 104         LpConfig *cfg=lc->config;
 105
 106         if (!lc->ready) return;
 107
 108         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 109                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 110                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 111                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 112                 lp_config_set_int(cfg,logsection,"status",cl->status);
 113                 tmp=linphone_address_as_string(cl->from);
 114                 lp_config_set_string(cfg,logsection,"from",tmp);
 115                 ms_free(tmp);
 116                 tmp=linphone_address_as_string(cl->to);
 117                 lp_config_set_string(cfg,logsection,"to",tmp);
 118                 ms_free(tmp);
 119                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 120                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 121                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 122         }
 123         for(;i<lc->max_call_logs;++i){
 124                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 125                 lp_config_clean_section(cfg,logsection);
 126         }
 127 }
 128
 129 static void call_logs_read_from_config_file(LinphoneCore *lc){
 130         char logsection[32];
 131         int i;
 132         const char *tmp;
 133         LpConfig *cfg=lc->config;
 134         for(i=0;;++i){
 135                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 136                 if (lp_config_has_section(cfg,logsection)){
 137                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 138                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 139                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 140                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 141                         if (tmp) cl->from=linphone_address_new(tmp);
 142                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 143                         if (tmp) cl->to=linphone_address_new(tmp);
 144                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 145                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 146                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 147                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 148                         if (tmp) cl->refkey=ms_strdup(tmp);
 149                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 150                 }else break;
 151         }
 152 }
 153
 154
 155 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call, LinphoneCallStatus status){
 156         LinphoneCore *lc=call->core;
 157
 158         calllog->duration=time(NULL)-call->start_time;
 159
 160         if (status==LinphoneCallMissed){
 161                 char *info;
 162                 lc->missed_calls++;
 163                 info=ortp_strdup_printf(ngettext("You have missed %i call.",
 164                     "You have missed %i calls.", lc->missed_calls),
 165                 lc->missed_calls);
 166                                 if (lc->vtable.display_status!=NULL)
 167                                         lc->vtable.display_status(lc,info);
 168                 ms_free(info);
 169         }else calllog->status=status;
 170         lc->call_logs=ms_list_prepend(lc->call_logs,(void *)calllog);
 171         if (ms_list_size(lc->call_logs)>lc->max_call_logs){
 172                 MSList *elem,*prevelem=NULL;
 173                 /*find the last element*/
 174                 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
 175                         prevelem=elem;
 176                 }
 177                 elem=prevelem;
 178                 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
 179                 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
 180         }
 181         if (lc->vtable.call_log_updated!=NULL){
 182                 lc->vtable.call_log_updated(lc,calllog);
 183         }
 184         call_logs_write_to_config_file(lc);
 185 }
 186
 187 /**
 188  * @addtogroup call_logs
 189  * @{
 190 **/
 191
 192 /**
 193  * Returns a human readable string describing the call.
 194  *
 195  * @note: the returned char* must be freed by the application (use ms_free()).
 196 **/
 197 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 198         char *status;
 199         char *tmp;
 200         char *from=linphone_address_as_string (cl->from);
 201         char *to=linphone_address_as_string (cl->to);
 202         switch(cl->status){
 203                 case LinphoneCallAborted:
 204                         status=_("aborted");
 205                         break;
 206                 case LinphoneCallSuccess:
 207                         status=_("completed");
 208                         break;
 209                 case LinphoneCallMissed:
 210                         status=_("missed");
 211                         break;
 212                 default:
 213                         status="unknown";
 214         }
 215         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 216                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 217                         cl->start_date,
 218                         from,
 219                         to,
 220                         status,
 221                         cl->duration/60,
 222                         cl->duration%60);
 223         ms_free(from);
 224         ms_free(to);
 225         return tmp;
 226 }
 227
 228 /**
 229  * Returns RTP statistics computed locally regarding the call.
 230  *
 231 **/
 232 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 233         return &cl->local_stats;
 234 }
 235
 236 /**
 237  * Returns RTP statistics computed by remote end and sent back via RTCP.
 238  *
 239  * @note Not implemented yet.
 240 **/
 241 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 242         return &cl->remote_stats;
 243 }
 244
 245 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 246         cl->user_pointer=up;
 247 }
 248
 249 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 250         return cl->user_pointer;
 251 }
 252
 253
 254
 255 /**
 256  * Associate a persistent reference key to the call log.
 257  *
 258  * The reference key can be for example an id to an external database.
 259  * It is stored in the config file, thus can survive to process exits/restarts.
 260  *
 261 **/
 262 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 263         if (cl->refkey!=NULL){
 264                 ms_free(cl->refkey);
 265                 cl->refkey=NULL;
 266         }
 267         if (refkey) cl->refkey=ms_strdup(refkey);
 268         call_logs_write_to_config_file(cl->lc);
 269 }
 270
 271 /**
 272  * Get the persistent reference key associated to the call log.
 273  *
 274  * The reference key can be for example an id to an external database.
 275  * It is stored in the config file, thus can survive to process exits/restarts.
 276  *
 277 **/
 278 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 279         return cl->refkey;
 280 }
 281
 282 /** @} */
 283
 284 void linphone_call_log_destroy(LinphoneCallLog *cl){
 285         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 286         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 287         if (cl->refkey!=NULL) ms_free(cl->refkey);
 288         ms_free(cl);
 289 }
 290
 291 /**
 292  * Returns TRUE if the LinphoneCall asked to autoanswer
 293  *
 294 **/
 295 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 296         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 297         if(call)
 298                 return sal_call_autoanswer_asked(call->op);
 299         else
 300                 return FALSE;
 301 }
 302
 303 int linphone_core_get_call_duration(LinphoneCall *call){
 304         if (call==NULL) return 0;
 305         if (call->media_start_time==0) return 0;
 306         return time(NULL)-call->media_start_time;
 307 }
 308
 309 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 310         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 311         return linphone_core_get_call_duration(call);
 312 }
 313
 314 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 315         LinphoneCall *call=linphone_core_get_current_call(lc);
 316         if (call==NULL) return NULL;
 317         return linphone_call_get_remote_address(call);
 318 }
 319
 320 /**
 321  * Enable logs in supplied FILE*.
 322  *
 323  * @ingroup misc
 324  *
 325  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 326  *
 327 **/
 328 void linphone_core_enable_logs(FILE *file){
 329         if (file==NULL) file=stdout;
 330         ortp_set_log_file(file);
 331         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 332 }
 333
 334 /**
 335  * Enable logs through the user's supplied log callback.
 336  *
 337  * @ingroup misc
 338  *
 339  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 340  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 341  *
 342 **/
 343 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 344         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 345         ortp_set_log_handler(logfunc);
 346 }
 347
 348 /**
 349  * Entirely disable logging.
 350  *
 351  * @ingroup misc
 352 **/
 353 void linphone_core_disable_logs(){
 354         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357
 358 static void
 359 net_config_read (LinphoneCore *lc)
 360 {
 361         int tmp;
 362         const char *tmpstr;
 363         LpConfig *config=lc->config;
 364
 365         tmp=lp_config_get_int(config,"net","download_bw",0);
 366         linphone_core_set_download_bandwidth(lc,tmp);
 367         tmp=lp_config_get_int(config,"net","upload_bw",0);
 368         linphone_core_set_upload_bandwidth(lc,tmp);
 369         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 370         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 371         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 372         linphone_core_set_nat_address(lc,tmpstr);
 373         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 374         linphone_core_set_firewall_policy(lc,tmp);
 375         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 376         lc->net_conf.nat_sdp_only=tmp;
 377         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 378         linphone_core_set_mtu(lc,tmp);
 379         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 380         linphone_core_set_download_ptime(lc,tmp);
 381
 382 }
 383
 384 static void build_sound_devices_table(LinphoneCore *lc){
 385         const char **devices;
 386         const char **old;
 387         int ndev;
 388         int i;
 389         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 390         ndev=ms_list_size(elem);
 391         devices=ms_malloc((ndev+1)*sizeof(const char *));
 392         for (i=0;elem!=NULL;elem=elem->next,i++){
 393                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 394         }
 395         devices[ndev]=NULL;
 396         old=lc->sound_conf.cards;
 397         lc->sound_conf.cards=devices;
 398         if (old!=NULL) ms_free(old);
 399 }
 400
 401 static void sound_config_read(LinphoneCore *lc)
 402 {
 403         /*int tmp;*/
 404         const char *tmpbuf;
 405         const char *devid;
 406         float gain=0;
 407 #ifdef __linux
 408         /*alsadev let the user use custom alsa device within linphone*/
 409         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 410         if (devid){
 411                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 412                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 413         }
 414 #endif
 415         /* retrieve all sound devices */
 416         build_sound_devices_table(lc);
 417
 418         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 419         linphone_core_set_playback_device(lc,devid);
 420
 421         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 422         linphone_core_set_ringer_device(lc,devid);
 423
 424         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 425         linphone_core_set_capture_device(lc,devid);
 426
 427 /*
 428         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 429         linphone_core_set_play_level(lc,tmp);
 430         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 431         linphone_core_set_ring_level(lc,tmp);
 432         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 433         linphone_core_set_rec_level(lc,tmp);
 434         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 435         linphone_core_set_sound_source(lc,tmpbuf[0]);
 436 */
 437
 438         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 439         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 440         if (ortp_file_exist(tmpbuf)==-1) {
 441                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 442         }
 443         if (strstr(tmpbuf,".wav")==NULL){
 444                 /* it currently uses old sound files, so replace them */
 445                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 446         }
 447
 448         linphone_core_set_ring(lc,tmpbuf);
 449
 450         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 451         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 452         if (ortp_file_exist(tmpbuf)==-1){
 453                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 454         }
 455         if (strstr(tmpbuf,".wav")==NULL){
 456                 /* it currently uses old sound files, so replace them */
 457                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 458         }
 459         linphone_core_set_ringback(lc,tmpbuf);
 460         check_sound_device(lc);
 461         lc->sound_conf.latency=0;
 462
 463         linphone_core_enable_echo_cancellation(lc,
 464             lp_config_get_int(lc->config,"sound","echocancelation",0) |
 465             lp_config_get_int(lc->config,"sound","echocancellation",0)
 466                 );
 467
 468         linphone_core_enable_echo_limiter(lc,
 469                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 470         linphone_core_enable_agc(lc,
 471                 lp_config_get_int(lc->config,"sound","agc",0));
 472
 473         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 474         linphone_core_set_playback_gain_db (lc,gain);
 475 }
 476
 477 static void sip_config_read(LinphoneCore *lc)
 478 {
 479         char *contact;
 480         const char *tmpstr;
 481         LCSipTransports tr;
 482         int i,tmp;
 483         int ipv6;
 484
 485         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 486         linphone_core_set_use_info_for_dtmf(lc,tmp);
 487
 488         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 489                 sal_use_session_timers(lc->sal,200);
 490         }
 491
 492
 493         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 494         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 495
 496         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 497         if (ipv6==-1){
 498                 ipv6=0;
 499                 if (host_has_ipv6_network()){
 500                         if (lc->vtable.display_message)
 501                                 lc->vtable.display_message(lc,_("Your machine appears to be connected to an IPv6 network. By default linphone always uses IPv4. Please update your configuration if you want to use IPv6"));
 502                 }
 503         }
 504         linphone_core_enable_ipv6(lc,ipv6);
 505         memset(&tr,0,sizeof(tr));
 506         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)) {
 507                 tr.udp_port=(0xDFF&+random())+1024;
 508         } else {
 509                 tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 510         }
 511         if (lp_config_get_int(lc->config,"sip","sip_tcp_random_port",0)) {
 512                 tr.tcp_port=(0xDFF&+random())+1024;
 513         } else {
 514                 tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 515         }
 516         /*start listening on ports*/
 517         linphone_core_set_sip_transports(lc,&tr);
 518
 519         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 520         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 521                 const char *hostname=NULL;
 522                 const char *username=NULL;
 523 #ifdef HAVE_GETENV
 524                 hostname=getenv("HOST");
 525                 username=getenv("USER");
 526                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 527 #endif /*HAVE_GETENV*/
 528                 if (hostname==NULL)
 529                         hostname="unknown-host";
 530                 if (username==NULL){
 531                         username="toto";
 532                 }
 533                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 534                 linphone_core_set_primary_contact(lc,contact);
 535                 ms_free(contact);
 536         }
 537
 538         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 539         linphone_core_set_guess_hostname(lc,tmp);
 540
 541
 542         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 543         linphone_core_set_inc_timeout(lc,tmp);
 544
 545         /* get proxies config */
 546         for(i=0;; i++){
 547                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 548                 if (cfg!=NULL){
 549                         linphone_core_add_proxy_config(lc,cfg);
 550                 }else{
 551                         break;
 552                 }
 553         }
 554         /* get the default proxy */
 555         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 556         linphone_core_set_default_proxy_index(lc,tmp);
 557
 558         /* read authentication information */
 559         for(i=0;; i++){
 560                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 561                 if (ai!=NULL){
 562                         linphone_core_add_auth_info(lc,ai);
 563                         linphone_auth_info_destroy(ai);
 564                 }else{
 565                         break;
 566                 }
 567         }
 568
 569
 570
 571
 572         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 573
 574         /*for tuning or test*/
 575         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 576         lc->sip_conf.only_one_codec=lp_config_get_int(lc->config,"sip","only_one_codec",0);
 577         lc->sip_conf.register_only_when_network_is_up=
 578                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 579         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 580         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 581         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 582         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 583 }
 584
 585 static void rtp_config_read(LinphoneCore *lc)
 586 {
 587         int port;
 588         int jitt_comp;
 589         int nortp_timeout;
 590         bool_t rtp_no_xmit_on_audio_mute;
 591
 592         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 593         linphone_core_set_audio_port(lc,port);
 594
 595         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 596         if (port==0) port=9078;
 597         linphone_core_set_video_port(lc,port);
 598
 599         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 600         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 601         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 602         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 603         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 604         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 605         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 606 }
 607
 608 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 609         PayloadType *candidate=NULL;
 610         int i;
 611         PayloadType *it;
 612         for(i=0;i<127;++i){
 613                 it=rtp_profile_get_payload(prof,i);
 614                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 615                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 616                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 617                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 618                                 /*exact match*/
 619                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 620                                 return it;
 621                         }else {
 622                                 if (candidate){
 623                                         if (it->recv_fmtp==NULL) candidate=it;
 624                                 }else candidate=it;
 625                         }
 626                 }
 627         }
 628         if (candidate && recv_fmtp){
 629                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 630         }
 631         return candidate;
 632 }
 633
 634 static bool_t get_codec(LpConfig *config, char* type, int index, PayloadType **ret){
 635         char codeckey[50];
 636         const char *mime,*fmtp;
 637         int rate,enabled;
 638         PayloadType *pt;
 639
 640         *ret=NULL;
 641         snprintf(codeckey,50,"%s_%i",type,index);
 642         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 643         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 644
 645         rate=lp_config_get_int(config,codeckey,"rate",8000);
 646         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 647         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 648         pt=find_payload(&av_profile,mime,rate,fmtp);
 649         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 650         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 651         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 652                         mime,rate,fmtp ? fmtp : "");
 653         *ret=pt;
 654         return TRUE;
 655 }
 656
 657 static const char *codec_pref_order[]={
 658         "speex",
 659         "gsm",
 660         "pcmu",
 661         "pcma",
 662         "H264",
 663         "MP4V-ES",
 664         "theora",
 665         "H263-1998",
 666         "H263",
 667         NULL,
 668 };
 669
 670 static int find_codec_rank(const char *mime){
 671         int i;
 672         for(i=0;codec_pref_order[i]!=NULL;++i){
 673                 if (strcasecmp(codec_pref_order[i],mime)==0)
 674                         break;
 675         }
 676         return i;
 677 }
 678
 679 static int codec_compare(const PayloadType *a, const PayloadType *b){
 680         int ra,rb;
 681         ra=find_codec_rank(a->mime_type);
 682         rb=find_codec_rank(b->mime_type);
 683         if (ra>rb) return 1;
 684         if (ra<rb) return -1;
 685         return 0;
 686 }
 687
 688 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 689         int i;
 690         for(i=0;i<127;++i){
 691                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 692                 if (pt){
 693                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 694                                 pt=NULL;
 695                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 696                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 697                                 pt=NULL;
 698                         }
 699                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 700                                 if (ms_list_find(l,pt)==NULL){
 701                                         payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 702                                         ms_message("Adding new codec %s/%i with fmtp %s",
 703                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 704                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 705                                 }
 706                         }
 707                 }
 708         }
 709         return l;
 710 }
 711
 712 static void codecs_config_read(LinphoneCore *lc)
 713 {
 714         int i;
 715         PayloadType *pt;
 716         MSList *audio_codecs=NULL;
 717         MSList *video_codecs=NULL;
 718         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 719                 if (pt){
 720                         if (!ms_filter_codec_supported(pt->mime_type)){
 721                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 722                         }else audio_codecs=ms_list_append(audio_codecs,pt);
 723                 }
 724         }
 725         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 726         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 727                 if (pt){
 728                         if (!ms_filter_codec_supported(pt->mime_type)){
 729                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 730                         }else video_codecs=ms_list_append(video_codecs,(void *)pt);
 731                 }
 732         }
 733         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 734         linphone_core_set_audio_codecs(lc,audio_codecs);
 735         linphone_core_set_video_codecs(lc,video_codecs);
 736         linphone_core_update_allocated_audio_bandwidth(lc);
 737 }
 738
 739 static void video_config_read(LinphoneCore *lc){
 740         int capture, display, self_view;
 741         int enabled;
 742         const char *str;
 743         int ndev;
 744         const char **devices;
 745         const MSList *elem;
 746         int i;
 747
 748         /* retrieve all video devices */
 749         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 750         ndev=ms_list_size(elem);
 751         devices=ms_malloc((ndev+1)*sizeof(const char *));
 752         for (i=0;elem!=NULL;elem=elem->next,i++){
 753                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 754         }
 755         devices[ndev]=NULL;
 756         lc->video_conf.cams=devices;
 757
 758         str=lp_config_get_string(lc->config,"video","device",NULL);
 759         if (str && str[0]==0) str=NULL;
 760         linphone_core_set_video_device(lc,str);
 761
 762         linphone_core_set_preferred_video_size_by_name(lc,
 763                 lp_config_get_string(lc->config,"video","size","cif"));
 764
 765         enabled=lp_config_get_int(lc->config,"video","enabled",1);
 766         capture=lp_config_get_int(lc->config,"video","capture",enabled);
 767         display=lp_config_get_int(lc->config,"video","display",enabled);
 768         self_view=lp_config_get_int(lc->config,"video","self_view",enabled);
 769 #ifdef VIDEO_ENABLED
 770         linphone_core_enable_video(lc,capture,display);
 771         linphone_core_enable_self_view(lc,self_view);
 772 #endif
 773 }
 774
 775 static void ui_config_read(LinphoneCore *lc)
 776 {
 777         LinphoneFriend *lf;
 778         int i;
 779         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 780                 linphone_core_add_friend(lc,lf);
 781         }
 782         call_logs_read_from_config_file(lc);
 783 }
 784
 785 /*
 786 static void autoreplier_config_init(LinphoneCore *lc)
 787 {
 788         autoreplier_config_t *config=&lc->autoreplier_conf;
 789         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 790         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 791         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 792         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 793         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 794         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 795 }
 796 */
 797
 798 /**
 799  * Sets maximum available download bandwidth
 800  *
 801  * @ingroup media_parameters
 802  *
 803  * This is IP bandwidth, in kbit/s.
 804  * This information is used signaled to other parties during
 805  * calls (within SDP messages) so that the remote end can have
 806  * sufficient knowledge to properly configure its audio & video
 807  * codec output bitrate to not overflow available bandwidth.
 808  *
 809  * @param lc the LinphoneCore object
 810  * @param bw the bandwidth in kbits/s, 0 for infinite
 811  */
 812 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 813         lc->net_conf.download_bw=bw;
 814         if (bw==0){ /*infinite*/
 815                 lc->dw_audio_bw=-1;
 816                 lc->dw_video_bw=-1;
 817         }else {
 818                 lc->dw_audio_bw=MIN(lc->audio_bw,bw);
 819                 lc->dw_video_bw=MAX(bw-lc->dw_audio_bw-10,0);/*-10: security margin*/
 820         }
 821 }
 822
 823 /**
 824  * Sets maximum available upload bandwidth
 825  *
 826  * @ingroup media_parameters
 827  *
 828  * This is IP bandwidth, in kbit/s.
 829  * This information is used by liblinphone together with remote
 830  * side available bandwidth signaled in SDP messages to properly
 831  * configure audio & video codec's output bitrate.
 832  *
 833  * @param lc the LinphoneCore object
 834  * @param bw the bandwidth in kbits/s, 0 for infinite
 835  */
 836 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 837         lc->net_conf.upload_bw=bw;
 838         if (bw==0){ /*infinite*/
 839                 lc->up_audio_bw=-1;
 840                 lc->up_video_bw=-1;
 841         }else{
 842                 lc->up_audio_bw=MIN(lc->audio_bw,bw);
 843                 lc->up_video_bw=MAX(bw-lc->up_audio_bw-10,0);/*-10: security margin*/
 844         }
 845 }
 846
 847 /**
 848  * Retrieve the maximum available download bandwidth.
 849  *
 850  * @ingroup media_parameters
 851  *
 852  * This value was set by linphone_core_set_download_bandwidth().
 853  *
 854 **/
 855 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 856         return lc->net_conf.download_bw;
 857 }
 858
 859 /**
 860  * Retrieve the maximum available upload bandwidth.
 861  *
 862  * @ingroup media_parameters
 863  *
 864  * This value was set by linphone_core_set_upload_bandwidth().
 865  *
 866 **/
 867 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 868         return lc->net_conf.upload_bw;
 869 }
 870 /**
 871  * set audio packetization time linphone expect to received from peer
 872  */
 873 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 874         lc->net_conf.down_ptime=ptime;
 875 }
 876
 877 int  linphone_core_get_download_ptime(LinphoneCore *lc) {
 878         return lc->net_conf.down_ptime;
 879 }
 880
 881
 882 /**
 883  * Returns liblinphone's version as a string.
 884  *
 885  * @ingroup misc
 886  *
 887 **/
 888 const char * linphone_core_get_version(void){
 889         return liblinphone_version;
 890 }
 891
 892
 893 static MSList *linphone_payload_types=NULL;
 894
 895 static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
 896         PayloadType *pt;
 897         pt=payload_type_clone(const_pt);
 898         payload_type_set_number(pt,number);
 899         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 900         rtp_profile_set_payload(&av_profile,number,pt);
 901         linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 902 }
 903
 904 static void linphone_core_free_payload_types(void){
 905         ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
 906         ms_list_free(linphone_payload_types);
 907         linphone_payload_types=NULL;
 908 }
 909
 910 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
 911         if (lc->vtable.global_state_changed){
 912                 lc->vtable.global_state_changed(lc,gstate,message);
 913         }
 914 }
 915
 916 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
 917     const char *factory_config_path, void * userdata)
 918 {
 919         memset (lc, 0, sizeof (LinphoneCore));
 920         lc->data=userdata;
 921
 922         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
 923
 924         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
 925         ortp_init();
 926         linphone_core_assign_payload_type(&payload_type_pcmu8000,0,NULL);
 927         linphone_core_assign_payload_type(&payload_type_gsm,3,NULL);
 928         linphone_core_assign_payload_type(&payload_type_pcma8000,8,NULL);
 929         linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
 930         linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=on");
 931         linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=on");
 932         linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
 933         linphone_core_assign_payload_type(&payload_type_telephone_event,101,"0-11");
 934         linphone_core_assign_payload_type(&payload_type_ilbc,113,"mode=30");
 935         linphone_core_assign_payload_type(&payload_type_amr,114,"octet-align=1");
 936
 937 #ifdef ENABLE_NONSTANDARD_GSM
 938         {
 939                 PayloadType *pt;
 940                 pt=payload_type_clone(&payload_type_gsm);
 941                 pt->clock_rate=11025;
 942                 rtp_profile_set_payload(&av_profile,114,pt);
 943                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 944                 pt=payload_type_clone(&payload_type_gsm);
 945                 pt->clock_rate=22050;
 946                 rtp_profile_set_payload(&av_profile,115,pt);
 947                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 948         }
 949 #endif
 950
 951 #ifdef VIDEO_ENABLED
 952         linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
 953         linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
 954         linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
 955         linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
 956         linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
 957         linphone_core_assign_payload_type(&payload_type_h264,102,NULL);
 958         linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1");
 959 #endif
 960
 961         ms_init();
 962         /* create a mediastreamer2 event queue and set it as global */
 963         /* This allows to run event's callback in linphone_core_iterate() */
 964         lc->msevq=ms_event_queue_new();
 965         ms_set_global_event_queue(lc->msevq);
 966
 967         lc->config=lp_config_new(config_path);
 968         if (factory_config_path)
 969                 lp_config_read_file(lc->config,factory_config_path);
 970
 971         lc->sal=sal_init();
 972         sal_set_user_pointer(lc->sal,lc);
 973         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
 974
 975         sip_setup_register_all();
 976         sound_config_read(lc);
 977         net_config_read(lc);
 978         rtp_config_read(lc);
 979         codecs_config_read(lc);
 980         sip_config_read(lc); /* this will start eXosip*/
 981         video_config_read(lc);
 982         //autoreplier_config_init(&lc->autoreplier_conf);
 983         lc->presence_mode=LinphoneStatusOnline;
 984         lc->max_call_logs=15;
 985         ui_config_read(lc);
 986         if (lc->vtable.display_status)
 987                 lc->vtable.display_status(lc,_("Ready"));
 988         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
 989         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
 990
 991     lc->ready=TRUE;
 992 }
 993
 994 /**
 995  * Instanciates a LinphoneCore object.
 996  * @ingroup initializing
 997  *
 998  * The LinphoneCore object is the primary handle for doing all phone actions.
 999  * It should be unique within your application.
1000  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1001  * @param config_path a path to a config file. If it does not exists it will be created.
1002  *        The config file is used to store all user settings, call logs, friends, proxies...
1003  * @param factory_config_path a path to a read-only config file that can be used to
1004  *        to store hard-coded preference such as proxy settings or internal preferences.
1005  *        The settings in this factory file always override the one in the normal config file.
1006  *        It is OPTIONAL, use NULL if unneeded.
1007  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1008  *        callbacks) using linphone_core_get_user_data().
1009  *
1010 **/
1011 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1012                                                 const char *config_path, const char *factory_config_path, void * userdata)
1013 {
1014         LinphoneCore *core=ms_new(LinphoneCore,1);
1015         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1016         return core;
1017 }
1018
1019 /**
1020  * Returns the list of available audio codecs.
1021  *
1022  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1023  * structure holding the codec information.
1024  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1025  * (such as the order of codecs).
1026 **/
1027 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1028 {
1029         return lc->codecs_conf.audio_codecs;
1030 }
1031
1032 /**
1033  * Returns the list of available video codecs.
1034  *
1035  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1036  * structure holding the codec information.
1037  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1038  * (such as the order of codecs).
1039 **/
1040 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1041 {
1042         return lc->codecs_conf.video_codecs;
1043 }
1044
1045 /**
1046  * Sets the local "from" identity.
1047  *
1048  * @ingroup proxies
1049  * This data is used in absence of any proxy configuration or when no
1050  * default proxy configuration is set. See LinphoneProxyConfig
1051 **/
1052 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1053 {
1054         LinphoneAddress *ctt;
1055
1056         if ((ctt=linphone_address_new(contact))==0) {
1057                 ms_error("Bad contact url: %s",contact);
1058                 return -1;
1059         }
1060         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1061         lc->sip_conf.contact=ms_strdup(contact);
1062         if (lc->sip_conf.guessed_contact!=NULL){
1063                 ms_free(lc->sip_conf.guessed_contact);
1064                 lc->sip_conf.guessed_contact=NULL;
1065         }
1066         linphone_address_destroy(ctt);
1067         return 0;
1068 }
1069
1070
1071 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1072 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1073         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1074             && linphone_core_get_nat_address(lc)!=NULL){
1075                 strncpy(result,linphone_core_get_nat_address(lc),LINPHONE_IPADDR_SIZE);
1076                 return;
1077         }
1078         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1079                 return;
1080         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1081         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1082 }
1083
1084 static void update_primary_contact(LinphoneCore *lc){
1085         char *guessed=NULL;
1086         char tmp[LINPHONE_IPADDR_SIZE];
1087
1088         LinphoneAddress *url;
1089         if (lc->sip_conf.guessed_contact!=NULL){
1090                 ms_free(lc->sip_conf.guessed_contact);
1091                 lc->sip_conf.guessed_contact=NULL;
1092         }
1093         url=linphone_address_new(lc->sip_conf.contact);
1094         if (!url){
1095                 ms_error("Could not parse identity contact !");
1096                 url=linphone_address_new("sip:unknown@unkwownhost");
1097         }
1098         linphone_core_get_local_ip(lc, NULL, tmp);
1099         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1100                 ms_warning("Local loopback network only !");
1101                 lc->sip_conf.loopback_only=TRUE;
1102         }else lc->sip_conf.loopback_only=FALSE;
1103         linphone_address_set_domain(url,tmp);
1104         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1105         guessed=linphone_address_as_string(url);
1106         lc->sip_conf.guessed_contact=guessed;
1107         linphone_address_destroy(url);
1108 }
1109
1110 /**
1111  * Returns the default identity when no proxy configuration is used.
1112  *
1113  * @ingroup proxies
1114 **/
1115 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1116         char *identity;
1117
1118         if (lc->sip_conf.guess_hostname){
1119                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1120                         update_primary_contact(lc);
1121                 }
1122                 identity=lc->sip_conf.guessed_contact;
1123         }else{
1124                 identity=lc->sip_conf.contact;
1125         }
1126         return identity;
1127 }
1128
1129 /**
1130  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1131  *
1132  * @ingroup proxies
1133 **/
1134 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1135         lc->sip_conf.guess_hostname=val;
1136 }
1137
1138 /**
1139  * Returns TRUE if hostname part of primary contact is guessed automatically.
1140  *
1141  * @ingroup proxies
1142 **/
1143 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1144         return lc->sip_conf.guess_hostname;
1145 }
1146
1147 /**
1148  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1149  * instead of const char*
1150  *
1151  * @ingroup proxies
1152 **/
1153 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1154         return linphone_address_new(linphone_core_get_primary_contact(lc));
1155 }
1156
1157 /**
1158  * Sets the list of audio codecs.
1159  *
1160  * @ingroup media_parameters
1161  * The list is taken by the LinphoneCore thus the application should not free it.
1162  * This list is made of struct PayloadType describing the codec parameters.
1163 **/
1164 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1165 {
1166         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1167         lc->codecs_conf.audio_codecs=codecs;
1168         return 0;
1169 }
1170
1171 /**
1172  * Sets the list of video codecs.
1173  *
1174  * @ingroup media_parameters
1175  * The list is taken by the LinphoneCore thus the application should not free it.
1176  * This list is made of struct PayloadType describing the codec parameters.
1177 **/
1178 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1179 {
1180         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1181         lc->codecs_conf.video_codecs=codecs;
1182         return 0;
1183 }
1184
1185 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1186 {
1187         return lc->friends;
1188 }
1189
1190 /**
1191  * Returns the nominal jitter buffer size in milliseconds.
1192  *
1193  * @ingroup media_parameters
1194 **/
1195 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1196 {
1197         return lc->rtp_conf.audio_jitt_comp;
1198 }
1199
1200 /**
1201  * Returns the UDP port used for audio streaming.
1202  *
1203  * @ingroup network_parameters
1204 **/
1205 int linphone_core_get_audio_port(const LinphoneCore *lc)
1206 {
1207         return lc->rtp_conf.audio_rtp_port;
1208 }
1209
1210 /**
1211  * Returns the UDP port used for video streaming.
1212  *
1213  * @ingroup network_parameters
1214 **/
1215 int linphone_core_get_video_port(const LinphoneCore *lc){
1216         return lc->rtp_conf.video_rtp_port;
1217 }
1218
1219
1220 /**
1221  * Returns the value in seconds of the no-rtp timeout.
1222  *
1223  * @ingroup media_parameters
1224  * When no RTP or RTCP packets have been received for a while
1225  * LinphoneCore will consider the call is broken (remote end crashed or
1226  * disconnected from the network), and thus will terminate the call.
1227  * The no-rtp timeout is the duration above which the call is considered broken.
1228 **/
1229 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1230         return lc->rtp_conf.nortp_timeout;
1231 }
1232
1233 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1234         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1235 }
1236
1237 /**
1238  * Sets the nominal audio jitter buffer size in milliseconds.
1239  *
1240  * @ingroup media_parameters
1241 **/
1242 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1243 {
1244         lc->rtp_conf.audio_jitt_comp=value;
1245 }
1246
1247 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1248         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1249 }
1250
1251 /**
1252  * Sets the UDP port used for audio streaming.
1253  *
1254  * @ingroup network_parameters
1255 **/
1256 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1257 {
1258         lc->rtp_conf.audio_rtp_port=port;
1259 }
1260
1261 /**
1262  * Sets the UDP port used for video streaming.
1263  *
1264  * @ingroup network_parameters
1265 **/
1266 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1267         lc->rtp_conf.video_rtp_port=port;
1268 }
1269
1270 /**
1271  * Sets the no-rtp timeout value in seconds.
1272  *
1273  * @ingroup media_parameters
1274  * See linphone_core_get_nortp_timeout() for details.
1275 **/
1276 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1277         lc->rtp_conf.nortp_timeout=nortp_timeout;
1278 }
1279
1280 /**
1281  * Indicates whether SIP INFO is used for sending digits.
1282  *
1283  * @ingroup media_parameters
1284 **/
1285 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1286 {
1287         return lc->sip_conf.use_info;
1288 }
1289
1290 /**
1291  * Sets whether SIP INFO is to be used for sending digits.
1292  *
1293  * @ingroup media_parameters
1294 **/
1295 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1296 {
1297         lc->sip_conf.use_info=use_info;
1298 }
1299
1300 /**
1301  * Indicates whether RFC2833 is used for sending digits.
1302  *
1303  * @ingroup media_parameters
1304 **/
1305 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1306 {
1307         return lc->sip_conf.use_rfc2833;
1308 }
1309
1310 /**
1311  * Sets whether RFC2833 is to be used for sending digits.
1312  *
1313  * @ingroup media_parameters
1314 **/
1315 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1316 {
1317         lc->sip_conf.use_rfc2833=use_rfc2833;
1318 }
1319
1320 /**
1321  * Returns the UDP port used by SIP.
1322  *
1323  * Deprecated: use linphone_core_get_sip_transports() instead.
1324  * @ingroup network_parameters
1325 **/
1326 int linphone_core_get_sip_port(LinphoneCore *lc)
1327 {
1328         LCSipTransports *tr=&lc->sip_conf.transports;
1329         return tr->udp_port>0 ? tr->udp_port : tr->tcp_port;
1330 }
1331
1332 static char _ua_name[64]="Linphone";
1333 static char _ua_version[64]=LINPHONE_VERSION;
1334
1335 #ifdef HAVE_EXOSIP_GET_VERSION
1336 extern const char *eXosip_get_version();
1337 #endif
1338
1339 static void apply_user_agent(LinphoneCore *lc){
1340         char ua_string[256];
1341         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1342 #ifdef HAVE_EXOSIP_GET_VERSION
1343                  eXosip_get_version()
1344 #else
1345                  "unknown"
1346 #endif
1347         );
1348         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1349 }
1350
1351 /**
1352  * Sets the user agent string used in SIP messages.
1353  *
1354  * @ingroup misc
1355 **/
1356 void linphone_core_set_user_agent(const char *name, const char *ver){
1357         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1358         strncpy(_ua_version,ver,sizeof(_ua_version));
1359 }
1360
1361 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1362         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1363         ms_warning(msg);
1364         if (lc->vtable.display_warning)
1365                 lc->vtable.display_warning(lc,msg);
1366         ms_free(msg);
1367 }
1368
1369 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1370         return
1371                 tr2->udp_port==tr1->udp_port &&
1372                 tr2->tcp_port==tr1->tcp_port &&
1373                 tr2->dtls_port==tr1->dtls_port &&
1374                 tr2->tls_port==tr1->tls_port;
1375 }
1376
1377 static int apply_transports(LinphoneCore *lc){
1378         Sal *sal=lc->sal;
1379         const char *anyaddr;
1380         LCSipTransports *tr=&lc->sip_conf.transports;
1381
1382         if (lc->sip_conf.ipv6_enabled)
1383                 anyaddr="::0";
1384         else
1385                 anyaddr="0.0.0.0";
1386
1387         sal_unlisten_ports (sal);
1388         if (tr->udp_port>0){
1389                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportDatagram,FALSE)!=0){
1390                         transport_error(lc,"UDP",tr->udp_port);
1391                         return -1;
1392                 }
1393         }
1394         if (tr->tcp_port>0){
1395                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportStream,FALSE)!=0){
1396                         transport_error(lc,"TCP",tr->tcp_port);
1397                 }
1398         }
1399         apply_user_agent(lc);
1400         return 0;
1401 }
1402
1403 /**
1404  * Sets the ports to be used for each of transport (UDP or TCP)
1405  *
1406  * A zero value port for a given transport means the transport
1407  * is not used.
1408  *
1409  * @ingroup network_parameters
1410 **/
1411 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1412
1413         if (transports_unchanged(tr,&lc->sip_conf.transports))
1414                 return 0;
1415         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1416
1417         if (lc->sal==NULL) return 0;
1418         return apply_transports(lc);
1419 }
1420
1421 /**
1422  * Retrieves the ports used for each transport (udp, tcp).
1423  * A zero value port for a given transport means the transport
1424  * is not used.
1425  * @ingroup network_parameters
1426 **/
1427 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1428         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1429         return 0;
1430 }
1431
1432 /**
1433  * Sets the UDP port to be used by SIP.
1434  *
1435  * Deprecated: use linphone_core_set_sip_transports() instead.
1436  * @ingroup network_parameters
1437 **/
1438 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1439 {
1440         LCSipTransports tr;
1441         memset(&tr,0,sizeof(tr));
1442         tr.udp_port=port;
1443         linphone_core_set_sip_transports (lc,&tr);
1444 }
1445
1446 /**
1447  * Returns TRUE if IPv6 is enabled.
1448  *
1449  * @ingroup network_parameters
1450  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1451 **/
1452 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1453         return lc->sip_conf.ipv6_enabled;
1454 }
1455
1456 /**
1457  * Turns IPv6 support on or off.
1458  *
1459  * @ingroup network_parameters
1460  *
1461  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1462  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1463  * By default IPv6 support is off.
1464 **/
1465 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1466         if (lc->sip_conf.ipv6_enabled!=val){
1467                 lc->sip_conf.ipv6_enabled=val;
1468                 if (lc->sal){
1469                         /* we need to restart eXosip */
1470                         apply_transports(lc);
1471                 }
1472         }
1473 }
1474
1475 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1476         ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1477         (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1478         (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1479         (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1480         (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1481 }
1482
1483 static void linphone_core_disconnected(LinphoneCore *lc, LinphoneCall *call){
1484         char temp[256];
1485         char *from=NULL;
1486         if(call)
1487                 from = linphone_call_get_remote_address_as_string(call);
1488         if(from)
1489         {
1490                 snprintf(temp,sizeof(temp),"Remote end %s seems to have disconnected, the call is going to be closed.",from);
1491                 free(from);
1492         }
1493         else
1494         {
1495                 snprintf(temp,sizeof(temp),"Remote end seems to have disconnected, the call is going to be closed.");
1496         }
1497         if (lc->vtable.display_warning!=NULL)
1498                 lc->vtable.display_warning(lc,temp);
1499         linphone_core_terminate_call(lc,call);
1500 }
1501
1502 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1503         static time_t last_check=0;
1504         static bool_t last_status=FALSE;
1505         char result[LINPHONE_IPADDR_SIZE];
1506         bool_t new_status=last_status;
1507
1508         /* only do the network up checking every five seconds */
1509         if (last_check==0 || (curtime-last_check)>=5){
1510                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1511                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1512                         new_status=TRUE;
1513                 }else new_status=FALSE;
1514                 last_check=curtime;
1515                 if (new_status!=last_status) {
1516                         if (new_status){
1517                                 ms_message("New local ip address is %s",result);
1518                         }
1519                         set_network_reachable(lc,new_status);
1520                         last_status=new_status;
1521                 }
1522         }
1523 }
1524
1525 static void proxy_update(LinphoneCore *lc){
1526         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1527         MSList* list=ms_list_copy(lc->sip_conf.deleted_proxies);
1528         for(;list!=NULL;list=list->next){
1529                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*) list->data;
1530                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1531                         lc->sip_conf.deleted_proxies =ms_list_remove(lc->sip_conf.deleted_proxies,(void *)cfg);
1532                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1533                         linphone_proxy_config_destroy(cfg);
1534                 }
1535         }
1536         ms_list_free(list);
1537 }
1538
1539 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1540         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1541         if (lf!=NULL){
1542                 lf->info=info;
1543                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1544                 if (lc->vtable.buddy_info_updated)
1545                         lc->vtable.buddy_info_updated(lc,lf);
1546         }else{
1547                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1548         }
1549 }
1550
1551 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1552         MSList *elem;
1553         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1554         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1555                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1556                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1557                         if (req->results!=NULL){
1558                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1559                                 ms_list_free(req->results);
1560                                 req->results=NULL;
1561                                 assign_buddy_info(lc,i);
1562                         }
1563                         sip_setup_context_buddy_lookup_free(ctx,req);
1564                         elem->data=NULL;
1565                 }
1566         }
1567         /*purge completed requests */
1568         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1569                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1570         }
1571 }
1572
1573 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1574         const MSList *elem;
1575         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1576         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1577                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1578                 if (lf->info==NULL){
1579                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1580                                 if (linphone_address_get_username(lf->uri)!=NULL){
1581                                         BuddyLookupRequest *req;
1582                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1583                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1584                                         buddy_lookup_request_set_key(req,tmp);
1585                                         buddy_lookup_request_set_max_results(req,1);
1586                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1587                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1588                                         ms_free(tmp);
1589                                 }
1590                         }
1591                 }
1592         }
1593 }
1594
1595 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1596         LinphoneProxyConfig *cfg=NULL;
1597         linphone_core_get_default_proxy(lc,&cfg);
1598         if (cfg){
1599                 if (lc->bl_refresh){
1600                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1601                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1602                                 linphone_core_grab_buddy_infos(lc,cfg);
1603                                 lc->bl_refresh=FALSE;
1604                         }
1605                 }
1606                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1607         }
1608 }
1609
1610 /**
1611  * Main loop function. It is crucial that your application call it periodically.
1612  *
1613  * @ingroup initializing
1614  * linphone_core_iterate() performs various backgrounds tasks:
1615  * - receiving of SIP messages
1616  * - handles timers and timeout
1617  * - performs registration to proxies
1618  * - authentication retries
1619  * The application MUST call this function from periodically, in its main loop.
1620  * Be careful that this function must be call from the same thread as
1621  * other liblinphone methods. In not the case make sure all liblinphone calls are
1622  * serialized with a mutex.
1623 **/
1624 void linphone_core_iterate(LinphoneCore *lc){
1625         MSList *calls;
1626         LinphoneCall *call;
1627         int disconnect_timeout = linphone_core_get_nortp_timeout(lc);
1628         time_t curtime=time(NULL);
1629         int elapsed;
1630         bool_t one_second_elapsed=FALSE;
1631         bool_t disconnected=FALSE;
1632
1633         if (curtime-lc->prevtime>=1){
1634                 lc->prevtime=curtime;
1635                 one_second_elapsed=TRUE;
1636         }
1637
1638         if (lc->preview_finished){
1639                 lc->preview_finished=0;
1640                 ring_stop(lc->ringstream);
1641                 lc->ringstream=NULL;
1642                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1643         }
1644
1645         if (lc->ringstream && lc->dmfs_playing_start_time!=0
1646             && (curtime-lc->dmfs_playing_start_time)>5){
1647                 ring_stop(lc->ringstream);
1648                 lc->ringstream=NULL;
1649                 lc->dmfs_playing_start_time=0;
1650         }
1651
1652         sal_iterate(lc->sal);
1653         ms_event_queue_pump(lc->msevq);
1654         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1655
1656         proxy_update(lc);
1657
1658         //we have to iterate for each call
1659         calls= lc->calls;
1660         while(calls!= NULL){
1661                 call = (LinphoneCall *)calls->data;
1662                  /* get immediately a reference to next one in case the one
1663                  we are going to examine is destroy and removed during
1664                  linphone_core_start_invite() */
1665                 calls=calls->next;
1666                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1667                                 /*start the call even if the OPTIONS reply did not arrive*/
1668                                 linphone_core_start_invite(lc,call,NULL);
1669                         }
1670                         if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallOutgoingRinging){
1671                                 elapsed=curtime-call->start_time;
1672                                 ms_message("incoming call ringing for %i seconds",elapsed);
1673                                 if (elapsed>lc->sip_conf.inc_timeout){
1674                                         call->log->status=LinphoneCallMissed;
1675                                         linphone_core_terminate_call(lc,call);
1676                                 }
1677                         }
1678         }
1679         call = linphone_core_get_current_call(lc);
1680         if(call)
1681         {
1682                 if (call->state==LinphoneCallStreamsRunning && one_second_elapsed)
1683                 {
1684                         RtpSession *as=NULL,*vs=NULL;
1685                         lc->prevtime=curtime;
1686                         if (call->audiostream!=NULL)
1687                                 as=call->audiostream->session;
1688                         if (call->videostream!=NULL)
1689                                 vs=call->videostream->session;
1690                         display_bandwidth(as,vs);
1691                 }
1692 #ifdef VIDEO_ENABLED
1693                 if (call->videostream!=NULL)
1694                         video_stream_iterate(call->videostream);
1695 #endif
1696                 if (call->audiostream!=NULL && disconnect_timeout>0)
1697                         disconnected=!audio_stream_alive(call->audiostream,disconnect_timeout);
1698         }
1699         if (linphone_core_video_preview_enabled(lc)){
1700                 if (lc->previewstream==NULL && lc->calls==NULL)
1701                         toggle_video_preview(lc,TRUE);
1702 #ifdef VIDEO_ENABLED
1703                 else video_stream_iterate(lc->previewstream);
1704 #endif
1705         }else{
1706                 if (lc->previewstream!=NULL)
1707                         toggle_video_preview(lc,FALSE);
1708         }
1709         if (disconnected)
1710                 linphone_core_disconnected(lc,call);
1711
1712         linphone_core_do_plugin_tasks(lc);
1713
1714         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1715                 lp_config_sync(lc->config);
1716         }
1717 }
1718
1719 /**
1720  * Interpret a call destination as supplied by the user, and returns a fully qualified
1721  * LinphoneAddress.
1722  *
1723  * A sip address should look like DisplayName <sip:username@domain:port> .
1724  * Basically this function performs the following tasks
1725  * - if a phone number is entered, prepend country prefix of the default proxy
1726  *   configuration, eventually escape the '+' by 00.
1727  * - if no domain part is supplied, append the domain name of the default proxy
1728  * - if no sip: is present, prepend it
1729  *
1730  * The result is a syntaxically correct SIP address.
1731 **/
1732
1733 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1734         enum_lookup_res_t *enumres=NULL;
1735         char *enum_domain=NULL;
1736         LinphoneProxyConfig *proxy=lc->default_proxy;;
1737         char *tmpurl;
1738         LinphoneAddress *uri;
1739
1740         if (is_enum(url,&enum_domain)){
1741                 if (lc->vtable.display_status!=NULL)
1742                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1743                 if (enum_lookup(enum_domain,&enumres)<0){
1744                         if (lc->vtable.display_status!=NULL)
1745                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1746                         ms_free(enum_domain);
1747                         return NULL;
1748                 }
1749                 ms_free(enum_domain);
1750                 tmpurl=enumres->sip_address[0];
1751                 uri=linphone_address_new(tmpurl);
1752                 enum_lookup_res_free(enumres);
1753                 return uri;
1754         }
1755         /* check if we have a "sip:" */
1756         if (strstr(url,"sip:")==NULL){
1757                 /* this doesn't look like a true sip uri */
1758                 if (strchr(url,'@')!=NULL){
1759                         /* seems like sip: is missing !*/
1760                         tmpurl=ms_strdup_printf("sip:%s",url);
1761                         uri=linphone_address_new(tmpurl);
1762                         ms_free(tmpurl);
1763                         if (uri){
1764                                 return uri;
1765                         }
1766                 }
1767
1768                 if (proxy!=NULL){
1769                         /* append the proxy domain suffix */
1770                         const char *identity=linphone_proxy_config_get_identity(proxy);
1771                         char normalized_username[128];
1772                         uri=linphone_address_new(identity);
1773                         if (uri==NULL){
1774                                 return NULL;
1775                         }
1776                         linphone_address_set_display_name(uri,NULL);
1777                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1778                                                                 sizeof(normalized_username));
1779                         linphone_address_set_username(uri,normalized_username);
1780                         return uri;
1781                 }else return NULL;
1782         }
1783         uri=linphone_address_new(url);
1784         if (uri!=NULL){
1785                 return uri;
1786         }
1787         /* else we could not do anything with url given by user, so display an error */
1788         if (lc->vtable.display_warning!=NULL){
1789                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1790         }
1791         return NULL;
1792 }
1793
1794 /**
1795  * Returns the default identity SIP address.
1796  *
1797  * @ingroup proxiesb
1798  * This is an helper function:
1799  *
1800  * If no default proxy is set, this will return the primary contact (
1801  * see linphone_core_get_primary_contact() ). If a default proxy is set
1802  * it returns the registered identity on the proxy.
1803 **/
1804 const char * linphone_core_get_identity(LinphoneCore *lc){
1805         LinphoneProxyConfig *proxy=NULL;
1806         const char *from;
1807         linphone_core_get_default_proxy(lc,&proxy);
1808         if (proxy!=NULL) {
1809                 from=linphone_proxy_config_get_identity(proxy);
1810         }else from=linphone_core_get_primary_contact(lc);
1811         return from;
1812 }
1813
1814 const char * linphone_core_get_route(LinphoneCore *lc){
1815         LinphoneProxyConfig *proxy=NULL;
1816         const char *route=NULL;
1817         linphone_core_get_default_proxy(lc,&proxy);
1818         if (proxy!=NULL) {
1819                 route=linphone_proxy_config_get_route(proxy);
1820         }
1821         return route;
1822 }
1823
1824 bool_t linphone_core_is_in_communication_with(LinphoneCore *lc, const char *to)
1825 {
1826         char *tmp;
1827         bool_t returned;
1828         const LinphoneAddress *la=linphone_core_get_current_call_remote_address(lc);
1829         if(la == NULL)
1830         {
1831                 return FALSE;
1832         }
1833         tmp = linphone_address_as_string(la);
1834         if(!strcmp(tmp,to))
1835                 returned = TRUE;
1836         else
1837                 returned = FALSE;
1838         if(tmp)
1839                 ms_free(tmp);
1840         return returned;
1841 }
1842
1843 void linphone_core_start_pending_refered_calls(LinphoneCore *lc){
1844         MSList *elem;
1845         for(elem=lc->calls;elem!=NULL;elem=elem->next){
1846                 LinphoneCall *call=(LinphoneCall*)elem->data;
1847                 if (call->refer_pending){
1848                         ms_message("Starting new call to refered address %s",call->refer_to);
1849                         call->refer_pending=FALSE;
1850                         linphone_core_invite(lc,call->refer_to);
1851                         break;
1852                 }
1853         }
1854 }
1855
1856 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1857         const MSList *elem;
1858         LinphoneProxyConfig *found_cfg=NULL;
1859         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1860                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1861                 const char *domain=linphone_proxy_config_get_domain(cfg);
1862                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1863                         found_cfg=cfg;
1864                         break;
1865                 }
1866         }
1867         return found_cfg;
1868 }
1869
1870 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1871         LinphoneAddress *ctt;
1872         const char *localip=call->localip;
1873
1874         /* first use user's supplied ip address if asked*/
1875         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
1876                 ctt=linphone_core_get_primary_contact_parsed(lc);
1877                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1878                         linphone_core_get_nat_address(lc));
1879         }
1880
1881         /* if already choosed, don't change it */
1882         if (call->op && sal_op_get_contact(call->op)!=NULL){
1883                 return NULL;
1884         }
1885         /* if the ping OPTIONS request succeeded use the contact guessed from the
1886          received, rport*/
1887         if (call->ping_op){
1888                 const char *guessed=sal_op_get_contact(call->ping_op);
1889                 if (guessed){
1890                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
1891                         return ms_strdup(guessed);
1892                 }
1893         }
1894
1895         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
1896         if (dest_proxy && dest_proxy->op){
1897                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
1898                 if (fixed_contact) {
1899                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
1900                         return ms_strdup(fixed_contact);
1901                 }
1902         }
1903
1904         ctt=linphone_core_get_primary_contact_parsed(lc);
1905
1906         if (ctt!=NULL){
1907                 char *ret;
1908                 /*otherwise use supllied localip*/
1909                 linphone_address_set_domain(ctt,localip);
1910                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
1911                 ret=linphone_address_as_string_uri_only(ctt);
1912                 linphone_address_destroy(ctt);
1913                 ms_message("Contact has been fixed using local ip to %s",ret);
1914                 return ret;
1915         }
1916         return NULL;
1917 }
1918
1919 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
1920         int err;
1921         char *contact;
1922         char *real_url,*barmsg;
1923         char *from;
1924
1925         /*try to be best-effort in giving real local or routable contact address */
1926         contact=get_fixed_contact(lc,call,dest_proxy);
1927         if (contact){
1928                 sal_op_set_contact(call->op, contact);
1929                 ms_free(contact);
1930         }
1931
1932         //TODO : should probably not be done here
1933         linphone_call_init_media_streams(call);
1934         if (!lc->sip_conf.sdp_200_ack){
1935                 call->media_pending=TRUE;
1936                 sal_call_set_local_media_description(call->op,call->localdesc);
1937         }
1938         real_url=linphone_address_as_string(call->log->to);
1939         from=linphone_address_as_string(call->log->from);
1940         err=sal_call(call->op,from,real_url);
1941
1942         if (lc->sip_conf.sdp_200_ack){
1943                 call->media_pending=TRUE;
1944                 sal_call_set_local_media_description(call->op,call->localdesc);
1945         }
1946         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
1947         if (lc->vtable.display_status!=NULL)
1948                 lc->vtable.display_status(lc,barmsg);
1949         ms_free(barmsg);
1950
1951         if (err<0){
1952                 if (lc->vtable.display_status!=NULL)
1953                         lc->vtable.display_status(lc,_("Could not call"));
1954                 linphone_call_stop_media_streams(call);
1955                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
1956         }else {
1957                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
1958         }
1959         ms_free(real_url);
1960         ms_free(from);
1961         return err;
1962 }
1963
1964 /**
1965  * Initiates an outgoing call
1966  *
1967  * @ingroup call_control
1968  * @param lc the LinphoneCore object
1969  * @param url the destination of the call (sip address, or phone number).
1970 **/
1971 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
1972         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
1973         if (addr){
1974                 LinphoneCall *call;
1975                 call=linphone_core_invite_address(lc,addr);
1976                 linphone_address_destroy(addr);
1977                 return call;
1978         }
1979         return NULL;
1980 }
1981
1982 /**
1983  * Initiates an outgoing call given a destination LinphoneAddress
1984  *
1985  * @ingroup call_control
1986  * @param lc the LinphoneCore object
1987  * @param url the destination of the call (sip address).
1988 **/
1989 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *real_parsed_url)
1990 {
1991         int err=0;
1992         const char *route=NULL;
1993         const char *from=NULL;
1994         LinphoneProxyConfig *proxy=NULL;
1995         LinphoneAddress *parsed_url2=NULL;
1996         char *real_url=NULL;
1997         LinphoneProxyConfig *dest_proxy=NULL;
1998         LinphoneCall *call;
1999
2000         if (linphone_core_in_call(lc)){
2001                 if (lc->vtable.display_warning)
2002                         lc->vtable.display_warning(lc,_("Sorry, you have to pause or stop the current call first !"));
2003                 return NULL;
2004         }
2005         if(!linphone_core_can_we_add_call(lc)){
2006                 if (lc->vtable.display_warning)
2007                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2008                 return NULL;
2009         }
2010         linphone_core_get_default_proxy(lc,&proxy);
2011         route=linphone_core_get_route(lc);
2012
2013         real_url=linphone_address_as_string(real_parsed_url);
2014         dest_proxy=linphone_core_lookup_known_proxy(lc,real_parsed_url);
2015
2016         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2017                 ms_message("Overriding default proxy setting for this call:");
2018                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2019         }
2020
2021         if (dest_proxy!=NULL)
2022                 from=linphone_proxy_config_get_identity(dest_proxy);
2023         else if (proxy!=NULL)
2024                 from=linphone_proxy_config_get_identity(proxy);
2025
2026         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2027         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2028
2029         parsed_url2=linphone_address_new(from);
2030
2031         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(real_parsed_url));
2032         sal_op_set_route(call->op,route);
2033
2034         if(linphone_core_add_call(lc,call)!= 0)
2035         {
2036                 ms_warning("we had a problem in adding the call into the invite ... weird");
2037                 linphone_call_unref(call);
2038                 return NULL;
2039         }
2040         /* this call becomes now the current one*/
2041         lc->current_call=call;
2042         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2043         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2044                 err=linphone_core_start_invite(lc,call,dest_proxy);
2045         }else{
2046                 /*defer the start of the call after the OPTIONS ping*/
2047                 call->ping_op=sal_op_new(lc->sal);
2048                 sal_ping(call->ping_op,from,real_url);
2049                 sal_op_set_user_pointer(call->ping_op,call);
2050                 call->start_time=time(NULL);
2051         }
2052
2053         if (real_url!=NULL) ms_free(real_url);
2054         return call;
2055 }
2056
2057 /**
2058  * Performs a simple call transfer to the specified destination.
2059  *
2060  * The remote endpoint is expected to issue a new call to the specified destination.
2061  * The current call remains active and thus can be later paused or terminated.
2062 **/
2063 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2064 {
2065         char *real_url=NULL;
2066         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2067
2068         if (!real_parsed_url){
2069                 /* bad url */
2070                 return -1;
2071         }
2072         if (call==NULL){
2073                 ms_warning("No established call to refer.");
2074                 return -1;
2075         }
2076         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2077         real_url=linphone_address_as_string (real_parsed_url);
2078         sal_refer(call->op,real_url);
2079         ms_free(real_url);
2080         linphone_address_destroy(real_parsed_url);
2081         return 0;
2082 }
2083
2084 /**
2085  * Returns true if an incoming call is pending, ie waiting for being answered or declined.
2086  *
2087  * @ingroup call_control
2088 **/
2089 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2090         LinphoneCall *call = linphone_core_get_current_call(lc);
2091         if(call != NULL)
2092         {
2093                 if(call->dir==LinphoneCallIncoming)
2094                         return TRUE;
2095         }
2096         return FALSE;
2097 }
2098
2099
2100 /**
2101  * Accept an incoming call.
2102  *
2103  * @ingroup call_control
2104  * Basically the application is notified of incoming calls within the
2105  * invite_recv callback of the #LinphoneCoreVTable structure.
2106  * The application can later respond positively to the call using
2107  * this method.
2108  * @param lc the LinphoneCore object
2109  * @param url the SIP address of the originator of the call, or NULL.
2110  *            This argument is useful for managing multiple calls simulatenously,
2111  *            however this feature is not supported yet.
2112  *            Using NULL will accept the unique incoming call in progress.
2113 **/
2114 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
2115 {
2116         LinphoneProxyConfig *cfg=NULL;
2117         const char *contact=NULL;
2118
2119         if (call==NULL){
2120                 //if just one call is present answer the only one ...
2121                 if(linphone_core_get_calls_nb (lc) != 1)
2122                         return -1;
2123                 else
2124                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2125         }
2126
2127         if (lc->current_call){
2128                 ms_warning("Cannot accept this call, there is already one running.");
2129                 return -1;
2130         }
2131
2132         if (call->state==LinphoneCallConnected){
2133                 /*call already accepted*/
2134                 return -1;
2135         }
2136
2137         /*can accept a new call only if others are on hold */
2138         {
2139                 MSList *elem;
2140                 for(elem=lc->calls;elem!=NULL;elem=elem->next){
2141                         LinphoneCall *c=(LinphoneCall*)elem->data;
2142                         if (c!=call && (c->state!=LinphoneCallPaused)){
2143                                 ms_warning("Cannot accept this call as another one is running, pause it before.");
2144                                 return -1;
2145                         }
2146                 }
2147         }
2148
2149         /*stop ringing */
2150         if (lc->ringstream!=NULL) {
2151                 ms_message("stop ringing");
2152                 ring_stop(lc->ringstream);
2153                 ms_message("ring stopped");
2154                 lc->ringstream=NULL;
2155         }
2156
2157         linphone_core_get_default_proxy(lc,&cfg);
2158         /*try to be best-effort in giving real local or routable contact address*/
2159         contact=get_fixed_contact(lc,call,cfg);
2160         if (contact)
2161                 sal_op_set_contact(call->op,contact);
2162 #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 40000
2163         linphone_call_init_media_streams(call);
2164 #endif
2165         sal_call_accept(call->op);
2166         if (lc->vtable.display_status!=NULL)
2167                 lc->vtable.display_status(lc,_("Connected."));
2168         lc->current_call=call;
2169         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2170         call->resultdesc=sal_call_get_final_media_description(call->op);
2171         if (call->resultdesc){
2172                 linphone_call_start_media_streams(call);
2173                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2174                 sal_media_description_ref(call->resultdesc);
2175         }else call->media_pending=TRUE;
2176         ms_message("call answered.");
2177         return 0;
2178 }
2179
2180 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2181         sal_call_terminate(call->op);
2182
2183         /*stop ringing*/
2184         if (lc->ringstream!=NULL) {
2185                 ring_stop(lc->ringstream);
2186                 lc->ringstream=NULL;
2187         }
2188         linphone_call_stop_media_streams(call);
2189         if (lc->vtable.display_status!=NULL)
2190                 lc->vtable.display_status(lc,_("Call aborted") );
2191         linphone_call_set_state(call,LinphoneCallError,error);
2192         return 0;
2193 }
2194
2195
2196 /**
2197  * Terminates a call.
2198  *
2199  * @ingroup call_control
2200  * @param lc The LinphoneCore
2201  * @param url the destination of the call to be terminated, use NULL if there is
2202  *            only one call (which is case in this version of liblinphone).
2203 **/
2204 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2205 {
2206         LinphoneCall *call;
2207         if (the_call == NULL){
2208                 call = linphone_core_get_current_call(lc);
2209                 if (ms_list_size(lc->calls)==1){
2210                         call=(LinphoneCall*)lc->calls->data;
2211                 }else{
2212                         ms_warning("No unique call to terminate !");
2213                         return -1;
2214                 }
2215         }
2216         else
2217         {
2218                 call = the_call;
2219         }
2220         sal_call_terminate(call->op);
2221
2222         /*stop ringing*/
2223         if (lc->ringstream!=NULL) {
2224                 ring_stop(lc->ringstream);
2225                 lc->ringstream=NULL;
2226         }
2227         linphone_call_stop_media_streams(call);
2228         if (lc->vtable.display_status!=NULL)
2229                 lc->vtable.display_status(lc,_("Call ended") );
2230         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2231         return 0;
2232 }
2233
2234 /**
2235  * Terminates all the calls.
2236  *
2237  * @ingroup call_control
2238  * @param lc The LinphoneCore
2239 **/
2240 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2241         while(lc->calls)
2242         {
2243                 LinphoneCall *the_call = lc->calls->data;
2244                 linphone_core_terminate_call(lc,the_call);
2245         }
2246         ms_list_free(lc->calls);
2247         return -1;
2248 }
2249
2250 /**
2251  * Returns the current list of calls.
2252  *
2253  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2254  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2255  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2256  *
2257  * @ingroup call_control
2258 **/
2259 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2260 {
2261         return lc->calls;
2262 }
2263
2264 /**
2265  * Returns TRUE if there is a call running or pending.
2266  *
2267  * @ingroup call_control
2268 **/
2269 bool_t linphone_core_in_call(const LinphoneCore *lc){
2270         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL;
2271 }
2272
2273 /**
2274  * Returns The _LinphoneCall struct of the current call if one is in call
2275  *
2276  * @ingroup call_control
2277 **/
2278 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2279 {
2280         return lc->current_call;
2281 }
2282
2283 /**
2284  * Permits to pause the call
2285  *
2286  * @ingroup call_control
2287 **/
2288 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *the_call)
2289 {
2290         LinphoneCall *call = the_call;
2291
2292         if(linphone_core_get_current_call(lc) != call)
2293         {
2294                 ms_error("The call asked to be paused was not the current on");
2295                 return -1;
2296         }
2297         if (sal_call_hold(call->op,TRUE) != 0)
2298         {
2299                 if (lc->vtable.display_warning)
2300                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2301         }
2302         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2303         if (lc->vtable.display_status)
2304                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2305         lc->current_call=NULL;
2306         linphone_core_start_pending_refered_calls(lc);
2307         return 0;
2308 }
2309
2310 /**
2311  * Permits to resume the call
2312  *
2313  * @ingroup call_control
2314 **/
2315 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2316 {
2317         char temp[255]={0};
2318         LinphoneCall *call = the_call;
2319
2320         if(call->state!=LinphoneCallPaused ){
2321                 ms_warning("we cannot resume a call when the communication is not established");
2322                 return -1;
2323         }
2324         if(linphone_core_get_current_call(lc) != NULL){
2325                 if (lc->vtable.display_warning)
2326                         lc->vtable.display_warning(lc,_("There is already a call in process, pause or stop it first."));
2327                 return -1;
2328         }
2329         if(sal_call_hold(call->op,FALSE) != 0){
2330                 return -1;
2331         }
2332         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2333         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2334         if (lc->vtable.display_status)
2335                 lc->vtable.display_status(lc,temp);
2336         lc->current_call=call;
2337         return 0;
2338 }
2339
2340 /**
2341  * Compare the remote address with the one in call
2342  *
2343  * @param a the call
2344  * @param b the remote address to compare with
2345  * @return 0 if it's the good call else 1
2346  */
2347 static int linphone_call_remote_address_compare(const void * a, const void * b)
2348 {
2349         if(b == NULL || a ==NULL)
2350                 return 1;
2351         char *the_remote_address = ((char *)b);
2352         LinphoneCall *call = ((LinphoneCall *)a);
2353 #ifdef DEBUG
2354         ms_message("the remote address:%s\n",the_remote_address);
2355         ms_message("the call:%p => %s\n",call,linphone_call_get_remote_address_as_string(call));
2356 #endif
2357         if(!strcmp(linphone_call_get_remote_address_as_string(call),the_remote_address))
2358         {
2359                 return 0;
2360         }
2361         return 1;
2362 }
2363
2364 /**
2365  * Get the call with the remote_address specified
2366  * @param lc
2367  * @param remote_address
2368  * @return the LinphoneCall of the call if found
2369  */
2370 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2371
2372         MSList *the_call = ms_list_find_custom(lc->calls,linphone_call_remote_address_compare,(void *)remote_address);
2373         if(the_call != NULL)
2374         {
2375                 return ((LinphoneCall *)the_call->data);
2376         }
2377         return NULL;
2378 }
2379
2380 int linphone_core_send_publish(LinphoneCore *lc,
2381                                LinphoneOnlineStatus presence_mode)
2382 {
2383         const MSList *elem;
2384         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2385                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2386                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2387         }
2388         return 0;
2389 }
2390
2391 /**
2392  * Set the incoming call timeout in seconds.
2393  *
2394  * @ingroup call_control
2395  * If an incoming call isn't answered for this timeout period, it is
2396  * automatically declined.
2397 **/
2398 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2399         lc->sip_conf.inc_timeout=seconds;
2400 }
2401
2402 /**
2403  * Returns the incoming call timeout
2404  *
2405  * @ingroup call_control
2406  * See linphone_core_set_inc_timeout() for details.
2407 **/
2408 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2409         return lc->sip_conf.inc_timeout;
2410 }
2411
2412 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2413                                                                                                         const char *contact,
2414                                                                                                         LinphoneOnlineStatus presence_mode)
2415 {
2416         if (minutes_away>0) lc->minutes_away=minutes_away;
2417
2418         if (lc->alt_contact!=NULL) {
2419                 ms_free(lc->alt_contact);
2420                 lc->alt_contact=NULL;
2421         }
2422         if (contact) lc->alt_contact=ms_strdup(contact);
2423         if (lc->presence_mode!=presence_mode){
2424                 linphone_core_notify_all_friends(lc,presence_mode);
2425                 /*
2426                    Improve the use of all LINPHONE_STATUS available.
2427                    !TODO Do not mix "presence status" with "answer status code"..
2428                    Use correct parameter to follow sip_if_match/sip_etag.
2429                  */
2430                 linphone_core_send_publish(lc,presence_mode);
2431         }
2432         lc->presence_mode=presence_mode;
2433 }
2434
2435 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2436         return lc->presence_mode;
2437 }
2438
2439 /**
2440  * Get playback sound level in 0-100 scale.
2441  *
2442  * @ingroup media_parameters
2443 **/
2444 int linphone_core_get_play_level(LinphoneCore *lc)
2445 {
2446         return lc->sound_conf.play_lev;
2447 }
2448
2449 /**
2450  * Get ring sound level in 0-100 scale
2451  *
2452  * @ingroup media_parameters
2453 **/
2454 int linphone_core_get_ring_level(LinphoneCore *lc)
2455 {
2456         return lc->sound_conf.ring_lev;
2457 }
2458
2459 /**
2460  * Get sound capture level in 0-100 scale
2461  *
2462  * @ingroup media_parameters
2463 **/
2464 int linphone_core_get_rec_level(LinphoneCore *lc){
2465         return lc->sound_conf.rec_lev;
2466 }
2467
2468 /**
2469  * Set sound ring level in 0-100 scale
2470  *
2471  * @ingroup media_parameters
2472 **/
2473 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2474         MSSndCard *sndcard;
2475         lc->sound_conf.ring_lev=level;
2476         sndcard=lc->sound_conf.ring_sndcard;
2477         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2478 }
2479
2480 /**
2481  * Allow to control play level before entering sound card:  gain in db
2482  *
2483  * @ingroup media_parameters
2484 **/
2485 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2486         float gain=gaindb;
2487         LinphoneCall *call=linphone_core_get_current_call (lc);
2488         AudioStream *st;
2489
2490         lc->sound_conf.soft_play_lev=gaindb;
2491
2492         if (call==NULL || (st=call->audiostream)==NULL){
2493                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2494                 return;
2495         }
2496         if (st->volrecv){
2497                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2498         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2499 }
2500
2501 /**
2502  * Get playback gain in db before entering  sound card.
2503  *
2504  * @ingroup media_parameters
2505 **/
2506 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2507         return lc->sound_conf.soft_play_lev;
2508 }
2509
2510 /**
2511  * Set sound playback level in 0-100 scale
2512  *
2513  * @ingroup media_parameters
2514 **/
2515 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2516         MSSndCard *sndcard;
2517         lc->sound_conf.play_lev=level;
2518         sndcard=lc->sound_conf.play_sndcard;
2519         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2520 }
2521
2522 /**
2523  * Set sound capture level in 0-100 scale
2524  *
2525  * @ingroup media_parameters
2526 **/
2527 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2528 {
2529         MSSndCard *sndcard;
2530         lc->sound_conf.rec_lev=level;
2531         sndcard=lc->sound_conf.capt_sndcard;
2532         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2533 }
2534
2535 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2536         MSSndCard *sndcard=NULL;
2537         if (devid!=NULL){
2538                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2539                 if (sndcard!=NULL &&
2540                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2541                         ms_warning("%s card does not have the %s capability, ignoring.",
2542                                 devid,
2543                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2544                         sndcard=NULL;
2545                 }
2546         }
2547         if (sndcard==NULL) {
2548                 /* get a card that has read+write capabilities */
2549                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2550                 /* otherwise refine to the first card having the right capability*/
2551                 if (sndcard==NULL){
2552                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2553                         for(;elem!=NULL;elem=elem->next){
2554                                 sndcard=(MSSndCard*)elem->data;
2555                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2556                         }
2557                 }
2558                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2559                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2560                         if (elem) sndcard=(MSSndCard*)elem->data;
2561         }
2562         }
2563         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2564         return sndcard;
2565 }
2566
2567 /**
2568  * Returns true if the specified sound device can capture sound.
2569  *
2570  * @ingroup media_parameters
2571  * @param devid the device name as returned by linphone_core_get_sound_devices()
2572 **/
2573 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2574         MSSndCard *sndcard;
2575         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2576         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2577         return FALSE;
2578 }
2579
2580 /**
2581  * Returns true if the specified sound device can play sound.
2582  *
2583  * @ingroup media_parameters
2584  * @param devid the device name as returned by linphone_core_get_sound_devices()
2585 **/
2586 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2587         MSSndCard *sndcard;
2588         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2589         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2590         return FALSE;
2591 }
2592
2593 /**
2594  * Sets the sound device used for ringing.
2595  *
2596  * @ingroup media_parameters
2597  * @param devid the device name as returned by linphone_core_get_sound_devices()
2598 **/
2599 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2600         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2601         lc->sound_conf.ring_sndcard=card;
2602         if (card && lc->ready)
2603                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2604         return 0;
2605 }
2606
2607 /**
2608  * Sets the sound device used for playback.
2609  *
2610  * @ingroup media_parameters
2611  * @param devid the device name as returned by linphone_core_get_sound_devices()
2612 **/
2613 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2614         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2615         lc->sound_conf.play_sndcard=card;
2616         if (card && lc->ready)
2617                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2618         return 0;
2619 }
2620
2621 /**
2622  * Sets the sound device used for capture.
2623  *
2624  * @ingroup media_parameters
2625  * @param devid the device name as returned by linphone_core_get_sound_devices()
2626 **/
2627 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2628         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2629         lc->sound_conf.capt_sndcard=card;
2630         if (card && lc->ready)
2631                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2632         return 0;
2633 }
2634
2635 /**
2636  * Returns the name of the currently assigned sound device for ringing.
2637  *
2638  * @ingroup media_parameters
2639 **/
2640 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2641 {
2642         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2643         return NULL;
2644 }
2645
2646 /**
2647  * Returns the name of the currently assigned sound device for playback.
2648  *
2649  * @ingroup media_parameters
2650 **/
2651 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2652 {
2653         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2654 }
2655
2656 /**
2657  * Returns the name of the currently assigned sound device for capture.
2658  *
2659  * @ingroup media_parameters
2660 **/
2661 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2662 {
2663         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2664 }
2665
2666 /**
2667  * Returns an unmodifiable array of available sound devices.
2668  *
2669  * @ingroup media_parameters
2670  * The array is NULL terminated.
2671 **/
2672 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2673         build_sound_devices_table(lc);
2674         return lc->sound_conf.cards;
2675 }
2676
2677 /**
2678  * Returns an unmodifiable array of available video capture devices.
2679  *
2680  * @ingroup media_parameters
2681  * The array is NULL terminated.
2682 **/
2683 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2684         return lc->video_conf.cams;
2685 }
2686
2687 char linphone_core_get_sound_source(LinphoneCore *lc)
2688 {
2689         return lc->sound_conf.source;
2690 }
2691
2692 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2693 {
2694         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2695         lc->sound_conf.source=source;
2696         if (!sndcard) return;
2697         switch(source){
2698                 case 'm':
2699                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2700                         break;
2701                 case 'l':
2702                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2703                         break;
2704         }
2705
2706 }
2707
2708
2709 /**
2710  * Sets the path to a wav file used for ringing.
2711  *
2712  * The file must be a wav 16bit linear.
2713  *
2714  * @ingroup media_parameters
2715 **/
2716 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
2717         if (lc->sound_conf.local_ring!=0){
2718                 ms_free(lc->sound_conf.local_ring);
2719         }
2720         lc->sound_conf.local_ring=ms_strdup(path);
2721         if (lc->ready && lc->sound_conf.local_ring)
2722                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
2723 }
2724
2725 /**
2726  * Returns the path to the wav file used for ringing.
2727  *
2728  * @ingroup media_parameters
2729 **/
2730 const char *linphone_core_get_ring(const LinphoneCore *lc){
2731         return lc->sound_conf.local_ring;
2732 }
2733
2734 static void notify_end_of_ring(void *ud ,unsigned int event, void * arg){
2735         LinphoneCore *lc=(LinphoneCore*)ud;
2736         lc->preview_finished=1;
2737 }
2738
2739 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
2740 {
2741         if (lc->ringstream!=0){
2742                 ms_warning("Cannot start ring now,there's already a ring being played");
2743                 return -1;
2744         }
2745         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
2746         lc->preview_finished=0;
2747         if (lc->sound_conf.ring_sndcard!=NULL){
2748                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2749                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
2750         }
2751         return 0;
2752 }
2753
2754 /**
2755  * Sets the path to a wav file used for ringing back.
2756  *
2757  * Ringback means the ring that is heard when it's ringing at the remote party.
2758  * The file must be a wav 16bit linear.
2759  *
2760  * @ingroup media_parameters
2761 **/
2762 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
2763         if (lc->sound_conf.remote_ring!=0){
2764                 ms_free(lc->sound_conf.remote_ring);
2765         }
2766         lc->sound_conf.remote_ring=ms_strdup(path);
2767 }
2768
2769 /**
2770  * Returns the path to the wav file used for ringing back.
2771  *
2772  * @ingroup media_parameters
2773 **/
2774 const char * linphone_core_get_ringback(const LinphoneCore *lc){
2775         return lc->sound_conf.remote_ring;
2776 }
2777
2778 /**
2779  * Enables or disable echo cancellation.
2780  *
2781  * @ingroup media_parameters
2782 **/
2783 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
2784         lc->sound_conf.ec=val;
2785         if (lc->ready)
2786                 lp_config_set_int(lc->config,"sound","echocancellation",val);
2787 }
2788
2789 /**
2790  * Returns TRUE if echo cancellation is enabled.
2791  *
2792  * @ingroup media_parameters
2793 **/
2794 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
2795         return lc->sound_conf.ec;
2796 }
2797
2798 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
2799         lc->sound_conf.ea=val;
2800 }
2801
2802 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
2803         return lc->sound_conf.ea;
2804 }
2805
2806 /**
2807  * Mutes or unmutes the local microphone.
2808  *
2809  * @ingroup media_parameters
2810 **/
2811 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
2812         LinphoneCall *call=linphone_core_get_current_call(lc);
2813         if (call==NULL){
2814                 ms_warning("linphone_core_mute_mic(): No current call !");
2815                 return;
2816         }
2817         if (call->audiostream!=NULL){
2818                 audio_stream_set_mic_gain(call->audiostream,
2819                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
2820                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
2821                         audio_stream_mute_rtp(call->audiostream,val);
2822                 }
2823                 call->audio_muted=val;
2824         }
2825 }
2826
2827 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
2828         float gain=1.0;
2829         LinphoneCall *call=linphone_core_get_current_call(lc);
2830         if (call==NULL){
2831                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2832                 return FALSE;
2833         }
2834         if (call->audiostream && call->audiostream->volsend){
2835                         ms_filter_call_method(call->audiostream->volsend,MS_VOLUME_GET_GAIN,&gain);
2836         }else ms_warning("Could not get gain: gain control wasn't activated. ");
2837
2838         return gain==0 || call->audio_muted;
2839 }
2840
2841 // returns rtp transmission status for an active stream
2842 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
2843 // was set on then rtp transmission is also muted
2844 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
2845         LinphoneCall *call=linphone_core_get_current_call(lc);
2846         if (call==NULL){
2847                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2848                 return FALSE;
2849         }
2850         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
2851                 return call->audio_muted;
2852         }
2853         return FALSE;
2854 }
2855
2856 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
2857         lc->sound_conf.agc=val;
2858 }
2859
2860 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
2861         return lc->sound_conf.agc;
2862 }
2863
2864 /**
2865  * Send the specified dtmf.
2866  *
2867  * @ingroup media_parameters
2868  * This function only works during calls. The dtmf is automatically played to the user.
2869  * @param lc The LinphoneCore object
2870  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
2871  *
2872 **/
2873 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
2874 {
2875         LinphoneCall *call=linphone_core_get_current_call(lc);
2876         if (call==NULL){
2877                 ms_warning("linphone_core_send_dtmf(): no active call");
2878                 return;
2879         }
2880         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
2881         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
2882         {
2883                 /* In Band DTMF */
2884                 if (call->audiostream!=NULL){
2885                         audio_stream_send_dtmf(call->audiostream,dtmf);
2886                 }
2887                 else
2888                 {
2889                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
2890                 }
2891         }
2892         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
2893                 /* Out of Band DTMF (use INFO method) */
2894                 sal_call_send_dtmf(call->op,dtmf);
2895         }
2896 }
2897
2898 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
2899         if (lc->net_conf.stun_server!=NULL)
2900                 ms_free(lc->net_conf.stun_server);
2901         if (server)
2902                 lc->net_conf.stun_server=ms_strdup(server);
2903         else lc->net_conf.stun_server=NULL;
2904 }
2905
2906 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
2907         return lc->net_conf.stun_server;
2908 }
2909
2910 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
2911         return lc->net_conf.relay;
2912 }
2913
2914 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
2915         if (lc->net_conf.relay!=NULL){
2916                 ms_free(lc->net_conf.relay);
2917                 lc->net_conf.relay=NULL;
2918         }
2919         if (addr){
2920                 lc->net_conf.relay=ms_strdup(addr);
2921         }
2922         return 0;
2923 }
2924
2925 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
2926 {
2927         if (lc->net_conf.nat_address!=NULL){
2928                 ms_free(lc->net_conf.nat_address);
2929         }
2930         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
2931         else lc->net_conf.nat_address=NULL;
2932         if (lc->sip_conf.contact) update_primary_contact(lc);
2933 }
2934
2935 const char *linphone_core_get_nat_address(const LinphoneCore *lc)
2936 {
2937         return lc->net_conf.nat_address;
2938 }
2939
2940 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
2941         lc->net_conf.firewall_policy=pol;
2942         if (lc->sip_conf.contact) update_primary_contact(lc);
2943 }
2944
2945 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
2946         return lc->net_conf.firewall_policy;
2947 }
2948
2949 /**
2950  * Get the list of call logs (past calls).
2951  *
2952  * @ingroup call_logs
2953 **/
2954 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
2955         lc->missed_calls=0;
2956         return lc->call_logs;
2957 }
2958
2959 /**
2960  * Erase the call log.
2961  *
2962  * @ingroup call_logs
2963 **/
2964 void linphone_core_clear_call_logs(LinphoneCore *lc){
2965         lc->missed_calls=0;
2966         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
2967         lc->call_logs=ms_list_free(lc->call_logs);
2968         call_logs_write_to_config_file(lc);
2969 }
2970
2971 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
2972 #ifdef VIDEO_ENABLED
2973         if (val){
2974                 if (lc->previewstream==NULL){
2975                         lc->previewstream=video_preview_start(lc->video_conf.device,
2976                                                 lc->video_conf.vsize);
2977                 }
2978         }else{
2979                 if (lc->previewstream!=NULL){
2980                         video_preview_stop(lc->previewstream);
2981                         lc->previewstream=NULL;
2982                 }
2983         }
2984 #endif
2985 }
2986
2987 /**
2988  * Enables video globally.
2989  *
2990  * @ingroup media_parameters
2991  * This function does not have any effect during calls. It just indicates LinphoneCore to
2992  * initiate future calls with video or not. The two boolean parameters indicate in which
2993  * direction video is enabled. Setting both to false disables video entirely.
2994  *
2995  * @param vcap_enabled indicates whether video capture is enabled
2996  * @param display_enabled indicates whether video display should be shown
2997  *
2998 **/
2999 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3000 #ifndef VIDEO_ENABLED
3001         if (vcap_enabled || display_enabled)
3002                 ms_warning("This version of linphone was built without video support.");
3003 #endif
3004         lc->video_conf.capture=vcap_enabled;
3005         lc->video_conf.display=display_enabled;
3006
3007         /* need to re-apply network bandwidth settings*/
3008         linphone_core_set_download_bandwidth(lc,
3009                 linphone_core_get_download_bandwidth(lc));
3010         linphone_core_set_upload_bandwidth(lc,
3011                 linphone_core_get_upload_bandwidth(lc));
3012 }
3013
3014 /**
3015  * Returns TRUE if video is enabled, FALSE otherwise.
3016  * @ingroup media_parameters
3017 **/
3018 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3019         return (lc->video_conf.display || lc->video_conf.capture);
3020 }
3021
3022 /**
3023  * Controls video preview enablement.
3024  *
3025  * @ingroup media_parameters
3026  * Video preview refers to the action of displaying the local webcam image
3027  * to the user while not in call.
3028 **/
3029 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3030         lc->video_conf.show_local=val;
3031 }
3032
3033 /**
3034  * Returns TRUE if video previewing is enabled.
3035  * @ingroup media_parameters
3036 **/
3037 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3038         return lc->video_conf.show_local;
3039 }
3040
3041 /**
3042  * Enables or disable self view during calls.
3043  *
3044  * @ingroup media_parameters
3045  * Self-view refers to having local webcam image inserted in corner
3046  * of the video window during calls.
3047  * This function works at any time, including during calls.
3048 **/
3049 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3050 #ifdef VIDEO_ENABLED
3051         LinphoneCall *call=linphone_core_get_current_call (lc);
3052         lc->video_conf.selfview=val;
3053         if (call && call->videostream){
3054                 video_stream_enable_self_view(call->videostream,val);
3055         }
3056 #endif
3057 }
3058
3059 /**
3060  * Returns TRUE if self-view is enabled, FALSE otherwise.
3061  *
3062  * @ingroup media_parameters
3063  *
3064  * Refer to linphone_core_enable_self_view() for details.
3065 **/
3066 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3067         return lc->video_conf.selfview;
3068 }
3069
3070 /**
3071  * Sets the active video device.
3072  *
3073  * @ingroup media_parameters
3074  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3075 **/
3076 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3077         MSWebCam *olddev=lc->video_conf.device;
3078         const char *vd;
3079         if (id!=NULL){
3080                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3081                 if (lc->video_conf.device==NULL){
3082                         ms_warning("Could not found video device %s",id);
3083                 }
3084         }
3085         if (lc->video_conf.device==NULL)
3086                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3087         if (olddev!=NULL && olddev!=lc->video_conf.device){
3088                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3089         }
3090         if (lc->ready && lc->video_conf.device){
3091                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3092                 if (vd && strstr(vd,"Static picture")!=NULL){
3093                         vd=NULL;
3094                 }
3095                 lp_config_set_string(lc->config,"video","device",vd);
3096         }
3097         return 0;
3098 }
3099
3100 /**
3101  * Returns the name of the currently active video device.
3102  *
3103  * @ingroup media_parameters
3104 **/
3105 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3106         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3107         return NULL;
3108 }
3109
3110 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3111 #ifdef VIDEO_ENABLED
3112         VideoStream *vs = NULL;
3113         LinphoneCall *call=linphone_core_get_current_call (lc);
3114         /* Select the video stream from the call in the first place */
3115         if (call && call->videostream) {
3116                 vs = call->videostream;
3117         }
3118         /* If not in call, select the video stream from the preview */
3119         if (vs == NULL && lc->previewstream) {
3120                 vs = lc->previewstream;
3121         }
3122
3123         /* If we have a video stream (either preview, either from call), we
3124                  have a source and it is using the static picture filter, then
3125                  force the filter to use that picture. */
3126         if (vs && vs->source) {
3127                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3128                         ms_filter_call_method(vs->source, MS_FILTER_SET_IMAGE,
3129                                                                                                                 (void *)path);
3130                 }
3131         }
3132
3133         /* Tell the static image filter to use that image from now on so
3134                  that the image will be used next time it has to be read */
3135         ms_static_image_set_default_image(path);
3136 #else
3137         ms_warning("Video support not compiled.");
3138 #endif
3139         return 0;
3140 }
3141
3142 /**
3143  * Returns the native window handle of the video window, casted as an unsigned long.
3144  *
3145  * @ingroup media_parameters
3146 **/
3147 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3148 #ifdef VIDEO_ENABLED
3149         LinphoneCall *call=linphone_core_get_current_call (lc);
3150         if (call && call->videostream)
3151                 return video_stream_get_native_window_id(call->videostream);
3152         if (lc->previewstream)
3153                 return video_stream_get_native_window_id(lc->previewstream);
3154 #endif
3155         return 0;
3156 }
3157
3158 static MSVideoSizeDef supported_resolutions[]={
3159         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3160         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3161         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3162         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3163         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3164         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3165         {       {0,0}                   ,       NULL    }
3166 };
3167
3168 /**
3169  * Returns the zero terminated table of supported video resolutions.
3170  *
3171  * @ingroup media_parameters
3172 **/
3173 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3174         return supported_resolutions;
3175 }
3176
3177 static MSVideoSize video_size_get_by_name(const char *name){
3178         MSVideoSizeDef *pdef=supported_resolutions;
3179         MSVideoSize null_vsize={0,0};
3180         for(;pdef->name!=NULL;pdef++){
3181                 if (strcasecmp(name,pdef->name)==0){
3182                         return pdef->vsize;
3183                 }
3184         }
3185         ms_warning("Video resolution %s is not supported in linphone.",name);
3186         return null_vsize;
3187 }
3188
3189 static const char *video_size_get_name(MSVideoSize vsize){
3190         MSVideoSizeDef *pdef=supported_resolutions;
3191         for(;pdef->name!=NULL;pdef++){
3192                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3193                         return pdef->name;
3194                 }
3195         }
3196         return NULL;
3197 }
3198
3199 static bool_t video_size_supported(MSVideoSize vsize){
3200         if (video_size_get_name(vsize)) return TRUE;
3201         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3202         return FALSE;
3203 }
3204
3205 /**
3206  * Sets the preferred video size.
3207  *
3208  * @ingroup media_parameters
3209  * This applies only to the stream that is captured and sent to the remote party,
3210  * since we accept all standard video size on the receive path.
3211 **/
3212 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3213         if (video_size_supported(vsize)){
3214                 MSVideoSize oldvsize=lc->video_conf.vsize;
3215                 lc->video_conf.vsize=vsize;
3216                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3217                         toggle_video_preview(lc,FALSE);
3218                         toggle_video_preview(lc,TRUE);
3219                 }
3220                 if (lc->ready)
3221                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3222         }
3223 }
3224
3225 /**
3226  * Sets the preferred video size by its name.
3227  *
3228  * @ingroup media_parameters
3229  * This is identical to linphone_core_set_preferred_video_size() except
3230  * that it takes the name of the video resolution as input.
3231  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3232 **/
3233 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3234         MSVideoSize vsize=video_size_get_by_name(name);
3235         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3236         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3237         else linphone_core_set_preferred_video_size(lc,default_vsize);
3238 }
3239
3240 /**
3241  * Returns the current preferred video size for sending.
3242  *
3243  * @ingroup media_parameters
3244 **/
3245 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3246         return lc->video_conf.vsize;
3247 }
3248
3249 /**
3250  * Ask the core to stream audio from and to files, instead of using the soundcard.
3251 **/
3252 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3253         lc->use_files=yesno;
3254 }
3255
3256 /**
3257  * Sets a wav file to be played when putting somebody on hold,
3258  * or when files are used instead of soundcards (see linphone_core_use_files()).
3259  *
3260  * The file must be a 16 bit linear wav file.
3261 **/
3262 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3263         LinphoneCall *call=linphone_core_get_current_call(lc);
3264         if (lc->play_file!=NULL){
3265                 ms_free(lc->play_file);
3266                 lc->play_file=NULL;
3267         }
3268         if (file!=NULL) {
3269                 lc->play_file=ms_strdup(file);
3270                 if (call && call->audiostream && call->audiostream->ticker)
3271                         audio_stream_play(call->audiostream,file);
3272         }
3273 }
3274
3275
3276 /**
3277  * Sets a wav file where incoming stream is to be recorded,
3278  * when files are used instead of soundcards (see linphone_core_use_files()).
3279  *
3280  * The file must be a 16 bit linear wav file.
3281 **/
3282 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3283         LinphoneCall *call=linphone_core_get_current_call(lc);
3284         if (lc->rec_file!=NULL){
3285                 ms_free(lc->rec_file);
3286                 lc->rec_file=NULL;
3287         }
3288         if (file!=NULL) {
3289                 lc->rec_file=ms_strdup(file);
3290                 if (call && call->audiostream)
3291                         audio_stream_record(call->audiostream,file);
3292         }
3293 }
3294
3295 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3296         LinphoneCall *call=linphone_core_get_current_call (lc);
3297         if (call){
3298                 AudioStream *stream=call->audiostream;
3299                 if (stream){
3300                         return stream->dtmfgen;
3301                 }
3302         }
3303         if (lc->ringstream==NULL){
3304                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3305                 lc->ringstream=ring_start(NULL,0,ringcard);
3306                 lc->dmfs_playing_start_time=time(NULL);
3307         }else{
3308                 if (lc->dmfs_playing_start_time!=0)
3309                         lc->dmfs_playing_start_time=time(NULL);
3310         }
3311         return lc->ringstream->gendtmf;
3312 }
3313
3314 /**
3315  * Plays a dtmf to the local user.
3316 **/
3317 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
3318         MSFilter *f=get_dtmf_gen(lc);
3319         if (f==NULL){
3320                 ms_error("No dtmf generator at this time !");
3321                 return;
3322         }
3323         if (duration_ms>0)
3324                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
3325         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
3326 }
3327
3328 /**
3329  * Stops playing a dtmf started by linphone_core_play_dtmf().
3330 **/
3331 void linphone_core_stop_dtmf(LinphoneCore *lc){
3332         MSFilter *f=get_dtmf_gen(lc);
3333         ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
3334 }
3335
3336
3337 /**
3338  * Retrieves the user pointer that was given to linphone_core_new()
3339  *
3340  * @ingroup initializing
3341 **/
3342 void *linphone_core_get_user_data(LinphoneCore *lc){
3343         return lc->data;
3344 }
3345
3346 int linphone_core_get_mtu(const LinphoneCore *lc){
3347         return lc->net_conf.mtu;
3348 }
3349
3350 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3351         lc->net_conf.mtu=mtu;
3352         if (mtu>0){
3353                 if (mtu<500){
3354                         ms_error("MTU too small !");
3355                         mtu=500;
3356                 }
3357                 ms_set_mtu(mtu);
3358                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3359         }else ms_set_mtu(0);//use mediastreamer2 default value
3360 }
3361
3362 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3363         lc->wait_cb=cb;
3364         lc->wait_ctx=user_context;
3365 }
3366
3367 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3368         if (lc->wait_cb){
3369                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3370         }
3371 }
3372
3373 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3374         if (lc->wait_cb){
3375                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3376         }else{
3377 #ifdef WIN32
3378                 Sleep(50000);
3379 #else
3380                 usleep(50000);
3381 #endif
3382         }
3383 }
3384
3385 void linphone_core_stop_waiting(LinphoneCore *lc){
3386         if (lc->wait_cb){
3387                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3388         }
3389 }
3390
3391 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp){
3392         lc->a_rtp=rtp;
3393         lc->a_rtcp=rtcp;
3394 }
3395
3396 /**
3397  * Retrieve RTP statistics regarding current call.
3398  * @param local RTP statistics computed locally.
3399  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
3400  *
3401  * @note Remote RTP statistics is not implemented yet.
3402  *
3403  * @returns 0 or -1 if no call is running.
3404 **/
3405
3406 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
3407         LinphoneCall *call=linphone_core_get_current_call (lc);
3408         if (call!=NULL){
3409                 if (call->audiostream!=NULL){
3410                         memset(remote,0,sizeof(*remote));
3411                         audio_stream_get_local_rtp_stats (call->audiostream,local);
3412                         return 0;
3413                 }
3414         }
3415         return -1;
3416 }
3417
3418 void net_config_uninit(LinphoneCore *lc)
3419 {
3420         net_config_t *config=&lc->net_conf;
3421         lp_config_set_int(lc->config,"net","download_bw",config->download_bw);
3422         lp_config_set_int(lc->config,"net","upload_bw",config->upload_bw);
3423
3424         if (config->stun_server!=NULL){
3425                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3426                 ms_free(lc->net_conf.stun_server);
3427         }
3428         if (config->nat_address!=NULL){
3429                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3430                 ms_free(lc->net_conf.nat_address);
3431         }
3432         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3433         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3434 }
3435
3436
3437 void sip_config_uninit(LinphoneCore *lc)
3438 {
3439         MSList *elem;
3440         int i;
3441         sip_config_t *config=&lc->sip_conf;
3442         lp_config_set_int(lc->config,"sip","sip_port",config->transports.udp_port);
3443         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3444         lp_config_set_string(lc->config,"sip","contact",config->contact);
3445         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3446         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3447         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3448         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3449         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3450
3451
3452         lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
3453
3454         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3455                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3456                 linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
3457                 linphone_proxy_config_edit(cfg);        /* to unregister */
3458         }
3459
3460         if (lc->sal){
3461             int i;
3462                 for (i=0;i<20;i++){
3463                         sal_iterate(lc->sal);
3464 #ifndef WIN32
3465                         usleep(100000);
3466 #else
3467                         Sleep(100);
3468 #endif
3469                 }
3470         }
3471
3472         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3473         ms_list_free(config->proxies);
3474         config->proxies=NULL;
3475
3476         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
3477
3478         for(elem=lc->auth_info,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3479                 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)(elem->data);
3480                 linphone_auth_info_write_config(lc->config,ai,i);
3481         }
3482         linphone_auth_info_write_config(lc->config,NULL,i); /* mark the end */
3483         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
3484         ms_list_free(lc->auth_info);
3485         lc->auth_info=NULL;
3486
3487         sal_uninit(lc->sal);
3488         lc->sal=NULL;
3489
3490         if (lc->sip_conf.guessed_contact)
3491                 ms_free(lc->sip_conf.guessed_contact);
3492         if (config->contact)
3493                 ms_free(config->contact);
3494
3495 }
3496
3497 void rtp_config_uninit(LinphoneCore *lc)
3498 {
3499         rtp_config_t *config=&lc->rtp_conf;
3500         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
3501         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
3502         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
3503         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
3504         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
3505 }
3506
3507 void sound_config_uninit(LinphoneCore *lc)
3508 {
3509         sound_config_t *config=&lc->sound_conf;
3510         ms_free(config->cards);
3511
3512         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
3513
3514         if (config->local_ring) ms_free(config->local_ring);
3515         if (config->remote_ring) ms_free(config->remote_ring);
3516         ms_snd_card_manager_destroy();
3517 }
3518
3519 void video_config_uninit(LinphoneCore *lc)
3520 {
3521         lp_config_set_int(lc->config,"video","enabled",linphone_core_video_enabled(lc));
3522         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
3523         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3524         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3525         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
3526         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
3527         if (lc->video_conf.cams)
3528                 ms_free(lc->video_conf.cams);
3529 }
3530
3531 void codecs_config_uninit(LinphoneCore *lc)
3532 {
3533         PayloadType *pt;
3534         codecs_config_t *config=&lc->codecs_conf;
3535         MSList *node;
3536         char key[50];
3537         int index;
3538         index=0;
3539         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
3540                 pt=(PayloadType*)(node->data);
3541                 sprintf(key,"audio_codec_%i",index);
3542                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3543                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3544                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3545                 index++;
3546         }
3547         sprintf(key,"audio_codec_%i",index);
3548         lp_config_clean_section (lc->config,key);
3549
3550         index=0;
3551         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
3552                 pt=(PayloadType*)(node->data);
3553                 sprintf(key,"video_codec_%i",index);
3554                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3555                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3556                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3557                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
3558                 index++;
3559         }
3560         sprintf(key,"video_codec_%i",index);
3561         lp_config_clean_section (lc->config,key);
3562
3563         ms_list_free(lc->codecs_conf.audio_codecs);
3564         ms_list_free(lc->codecs_conf.video_codecs);
3565 }
3566
3567 void ui_config_uninit(LinphoneCore* lc)
3568 {
3569         if (lc->friends){
3570                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
3571                 ms_list_free(lc->friends);
3572                 lc->friends=NULL;
3573         }
3574 }
3575
3576 /**
3577  * Returns the LpConfig object used to manage the storage (config) file.
3578  *
3579  * @ingroup misc
3580  * The application can use the LpConfig object to insert its own private
3581  * sections and pairs of key=value in the configuration file.
3582  *
3583 **/
3584 LpConfig *linphone_core_get_config(LinphoneCore *lc){
3585         return lc->config;
3586 }
3587
3588 static void linphone_core_uninit(LinphoneCore *lc)
3589 {
3590         while(lc->calls)
3591         {
3592                 LinphoneCall *the_call = lc->calls->data;
3593                 linphone_core_terminate_call(lc,the_call);
3594                 linphone_core_iterate(lc);
3595 #ifdef WIN32
3596                 Sleep(50000);
3597 #else
3598                 usleep(50000);
3599 #endif
3600         }
3601
3602         if (lc->friends)
3603                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
3604         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
3605 #ifdef VIDEO_ENABLED
3606         if (lc->previewstream!=NULL){
3607                 video_preview_stop(lc->previewstream);
3608                 lc->previewstream=NULL;
3609         }
3610 #endif
3611         ms_event_queue_destroy(lc->msevq);
3612         /* save all config */
3613         net_config_uninit(lc);
3614         sip_config_uninit(lc);
3615         rtp_config_uninit(lc);
3616         sound_config_uninit(lc);
3617         video_config_uninit(lc);
3618         codecs_config_uninit(lc);
3619         ui_config_uninit(lc);
3620         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
3621         lp_config_destroy(lc->config);
3622         lc->config = NULL; /* Mark the config as NULL to block further calls */
3623         sip_setup_unregister_all();
3624
3625         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3626         lc->call_logs=ms_list_free(lc->call_logs);
3627
3628         linphone_core_free_payload_types();
3629
3630         ortp_exit();
3631         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
3632 }
3633
3634 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable){
3635         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
3636         // second get the list of available proxies
3637         const MSList *elem=linphone_core_get_proxy_config_list(lc);
3638         for(;elem!=NULL;elem=elem->next){
3639                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3640                 if (linphone_proxy_config_register_enabled(cfg) ) {
3641                         if (!isReachable) {
3642                                 cfg->registered=0;
3643                         }else{
3644                                 cfg->commit=TRUE;
3645                         }
3646                 }
3647         }
3648         lc->network_reachable=isReachable;
3649 }
3650
3651 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
3652         //first disable automatic mode
3653         if (lc->auto_net_state_mon) {
3654                 ms_message("Disabling automatic network state monitoring");
3655                 lc->auto_net_state_mon=FALSE;
3656         }
3657         set_network_reachable(lc,isReachable);
3658 }
3659
3660 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
3661         return lc->network_reachable;
3662 }
3663 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
3664         return sal_get_socket(lc->sal);
3665 }
3666 /**
3667  * Destroys a LinphoneCore
3668  *
3669  * @ingroup initializing
3670 **/
3671 void linphone_core_destroy(LinphoneCore *lc){
3672         linphone_core_uninit(lc);
3673         ms_free(lc);
3674 }
3675 /**
3676  * Get the number of Call
3677  *
3678  * @ingroup call_control
3679 **/
3680 int linphone_core_get_calls_nb(const LinphoneCore *lc){
3681         return  ms_list_size(lc->calls);;
3682 }
3683
3684 /**
3685  * Check if we do not have exceed the number of simultaneous call
3686  *
3687  * @ingroup call_control
3688 **/
3689 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
3690 {
3691         if(linphone_core_get_calls_nb(lc) < NB_MAX_CALLS)
3692                 return TRUE;
3693         ms_error("Maximum amount of simultaneous calls reached !");
3694         return FALSE;
3695 }
3696
3697
3698 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
3699 {
3700         if(linphone_core_can_we_add_call(lc))
3701         {
3702                 lc->calls = ms_list_append(lc->calls,call);
3703                 return 0;
3704         }
3705         return -1;
3706 }
3707
3708 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
3709 {
3710         MSList *it;
3711         MSList *the_calls = lc->calls;
3712
3713         it=ms_list_find(the_calls,call);
3714         if (it)
3715         {
3716                 the_calls = ms_list_remove_link(the_calls,it);
3717         }
3718         else
3719         {
3720                 ms_warning("could not find the call into the list\n");
3721                 return -1;
3722         }
3723         lc->calls = the_calls;
3724         return 0;
3725 }
3726
3727 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
3728         const MSList *elem;
3729         for(elem=from;elem!=NULL;elem=elem->next){
3730                 PayloadType *pt=(PayloadType*)elem->data;
3731                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && rate==pt->clock_rate) {
3732                         return pt;
3733                 }
3734         }
3735         return NULL;
3736 }
3737
3738 /**
3739  * Get payload type  from mime type and clock rate
3740  * @ingroup media_parameters
3741  * This function searches in audio and video codecs for the given payload type name and clockrate.
3742  * Returns NULL if not found.
3743  */
3744 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
3745         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
3746         if (result)  {
3747                 return result;
3748         } else {
3749                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
3750                 if (result) {
3751                         return result;
3752                 }
3753         }
3754         /*not found*/
3755         return NULL;
3756 }