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 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  69 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95 #if !defined(_WIN32_WCE)
  96         return strftime(s, max, fmt, tm);
  97 #else
  98         return 0;
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 }
 102
 103 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
 104         struct tm loctime;
 105 #ifdef WIN32
 106 #if !defined(_WIN32_WCE)
 107         loctime=*localtime(&start_time);
 108         /*FIXME*/
 109 #endif /*_WIN32_WCE*/
 110 #else
 111         localtime_r(&start_time,&loctime);
 112 #endif
 113         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 114 }
 115
 116 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 117         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 118         cl->dir=call->dir;
 119         cl->start_date_time=call->start_time;
 120         set_call_log_date(cl,cl->start_date_time);
 121         cl->from=from;
 122         cl->to=to;
 123     cl->status=LinphoneCallAborted; /*default status*/
 124         return cl;
 125 }
 126
 127 void call_logs_write_to_config_file(LinphoneCore *lc){
 128         MSList *elem;
 129         char logsection[32];
 130         int i;
 131         char *tmp;
 132         LpConfig *cfg=lc->config;
 133
 134         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 135
 136         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 137                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 141                 lp_config_set_int(cfg,logsection,"status",cl->status);
 142                 tmp=linphone_address_as_string(cl->from);
 143                 lp_config_set_string(cfg,logsection,"from",tmp);
 144                 ms_free(tmp);
 145                 tmp=linphone_address_as_string(cl->to);
 146                 lp_config_set_string(cfg,logsection,"to",tmp);
 147                 ms_free(tmp);
 148                 if (cl->start_date_time)
 149                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 150                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 151                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 152                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 153                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 154                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 155                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 156         }
 157         for(;i<lc->max_call_logs;++i){
 158                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 159                 lp_config_clean_section(cfg,logsection);
 160         }
 161 }
 162
 163 static time_t string_to_time(const char *date){
 164 #ifndef WIN32
 165         struct tm tmtime={0};
 166         strptime(date,"%c",&tmtime);
 167         return mktime(&tmtime);
 168 #else
 169         return 0;
 170 #endif
 171 }
 172
 173 static void call_logs_read_from_config_file(LinphoneCore *lc){
 174         char logsection[32];
 175         int i;
 176         const char *tmp;
 177         uint64_t sec;
 178         LpConfig *cfg=lc->config;
 179         for(i=0;;++i){
 180                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 181                 if (lp_config_has_section(cfg,logsection)){
 182                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 183                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 184                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 185                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 186                         if (tmp) cl->from=linphone_address_new(tmp);
 187                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 188                         if (tmp) cl->to=linphone_address_new(tmp);
 189                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 190                         if (sec) {
 191                                 /*new call log format with date expressed in seconds */
 192                                 cl->start_date_time=(time_t)sec;
 193                                 set_call_log_date(cl,cl->start_date_time);
 194                         }else{
 195                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 196                                 if (tmp) {
 197                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 198                                         cl->start_date_time=string_to_time(cl->start_date);
 199                                 }
 200                         }
 201                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 203                         if (tmp) cl->refkey=ms_strdup(tmp);
 204                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 205                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 206                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 207                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 208                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 209                 }else break;
 210         }
 211 }
 212
 213
 214
 215 /**
 216  * @addtogroup call_logs
 217  * @{
 218 **/
 219
 220 /**
 221  * Returns a human readable string describing the call.
 222  *
 223  * @note: the returned char* must be freed by the application (use ms_free()).
 224 **/
 225 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 226         char *status;
 227         char *tmp;
 228         char *from=linphone_address_as_string (cl->from);
 229         char *to=linphone_address_as_string (cl->to);
 230         switch(cl->status){
 231                 case LinphoneCallAborted:
 232                         status=_("aborted");
 233                         break;
 234                 case LinphoneCallSuccess:
 235                         status=_("completed");
 236                         break;
 237                 case LinphoneCallMissed:
 238                         status=_("missed");
 239                         break;
 240                 default:
 241                         status="unknown";
 242         }
 243         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 244                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 245                         cl->start_date,
 246                         from,
 247                         to,
 248                         status,
 249                         cl->duration/60,
 250                         cl->duration%60);
 251         ms_free(from);
 252         ms_free(to);
 253         return tmp;
 254 }
 255
 256 /**
 257  * Returns RTP statistics computed locally regarding the call.
 258  *
 259 **/
 260 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 261         return &cl->local_stats;
 262 }
 263
 264 /**
 265  * Returns RTP statistics computed by remote end and sent back via RTCP.
 266  *
 267  * @note Not implemented yet.
 268 **/
 269 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 270         return &cl->remote_stats;
 271 }
 272
 273 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 274         cl->user_pointer=up;
 275 }
 276
 277 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 278         return cl->user_pointer;
 279 }
 280
 281
 282
 283 /**
 284  * Associate a persistent reference key to the call log.
 285  *
 286  * The reference key can be for example an id to an external database.
 287  * It is stored in the config file, thus can survive to process exits/restarts.
 288  *
 289 **/
 290 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 291         if (cl->refkey!=NULL){
 292                 ms_free(cl->refkey);
 293                 cl->refkey=NULL;
 294         }
 295         if (refkey) cl->refkey=ms_strdup(refkey);
 296 }
 297
 298 /**
 299  * Get the persistent reference key associated to the call log.
 300  *
 301  * The reference key can be for example an id to an external database.
 302  * It is stored in the config file, thus can survive to process exits/restarts.
 303  *
 304 **/
 305 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 306         return cl->refkey;
 307 }
 308
 309 /** @} */
 310
 311 void linphone_call_log_destroy(LinphoneCallLog *cl){
 312         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 313         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 314         if (cl->refkey!=NULL) ms_free(cl->refkey);
 315         if (cl->call_id) ms_free((void*)cl->call_id);
 316         ms_free(cl);
 317 }
 318
 319 /**
 320  * Returns TRUE if the LinphoneCall asked to autoanswer
 321  *
 322 **/
 323 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 324         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 325         if(call)
 326                 return sal_call_autoanswer_asked(call->op);
 327         else
 328                 return FALSE;
 329 }
 330
 331 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 332         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 333         if (call)  return linphone_call_get_duration(call);
 334         return -1;
 335 }
 336
 337 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 338         LinphoneCall *call=linphone_core_get_current_call(lc);
 339         if (call==NULL) return NULL;
 340         return linphone_call_get_remote_address(call);
 341 }
 342
 343 /**
 344  * Enable logs in supplied FILE*.
 345  *
 346  * @ingroup misc
 347  *
 348  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 349  *
 350 **/
 351 void linphone_core_enable_logs(FILE *file){
 352         if (file==NULL) file=stdout;
 353         ortp_set_log_file(file);
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357 /**
 358  * Enable logs through the user's supplied log callback.
 359  *
 360  * @ingroup misc
 361  *
 362  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 363  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 364  *
 365 **/
 366 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 367         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 368         ortp_set_log_handler(logfunc);
 369 }
 370
 371 /**
 372  * Entirely disable logging.
 373  *
 374  * @ingroup misc
 375 **/
 376 void linphone_core_disable_logs(){
 377         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 378 }
 379
 380
 381 static void net_config_read (LinphoneCore *lc)
 382 {
 383         int tmp;
 384         const char *tmpstr;
 385         LpConfig *config=lc->config;
 386
 387         lc->net_conf.nat_address_ip = NULL;
 388         tmp=lp_config_get_int(config,"net","download_bw",0);
 389         linphone_core_set_download_bandwidth(lc,tmp);
 390         tmp=lp_config_get_int(config,"net","upload_bw",0);
 391         linphone_core_set_upload_bandwidth(lc,tmp);
 392         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 393         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 394         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 395         linphone_core_set_nat_address(lc,tmpstr);
 396         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 397         linphone_core_set_firewall_policy(lc,tmp);
 398         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 399         lc->net_conf.nat_sdp_only=tmp;
 400         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 401         linphone_core_set_mtu(lc,tmp);
 402         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 403         linphone_core_set_download_ptime(lc,tmp);
 404
 405 }
 406
 407 static void build_sound_devices_table(LinphoneCore *lc){
 408         const char **devices;
 409         const char **old;
 410         int ndev;
 411         int i;
 412         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 413         ndev=ms_list_size(elem);
 414         devices=ms_malloc((ndev+1)*sizeof(const char *));
 415         for (i=0;elem!=NULL;elem=elem->next,i++){
 416                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 417         }
 418         devices[ndev]=NULL;
 419         old=lc->sound_conf.cards;
 420         lc->sound_conf.cards=devices;
 421         if (old!=NULL) ms_free(old);
 422 }
 423
 424 static void sound_config_read(LinphoneCore *lc)
 425 {
 426         int tmp;
 427         const char *tmpbuf;
 428         const char *devid;
 429 #ifdef __linux
 430         /*alsadev let the user use custom alsa device within linphone*/
 431         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 432         if (devid){
 433                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 434                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 435         }
 436         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 437         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 438 #endif
 439         /* retrieve all sound devices */
 440         build_sound_devices_table(lc);
 441
 442         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 443         linphone_core_set_playback_device(lc,devid);
 444
 445         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 446         linphone_core_set_ringer_device(lc,devid);
 447
 448         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 449         linphone_core_set_capture_device(lc,devid);
 450
 451 /*
 452         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 453         linphone_core_set_play_level(lc,tmp);
 454         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 455         linphone_core_set_ring_level(lc,tmp);
 456         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 457         linphone_core_set_rec_level(lc,tmp);
 458         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 459         linphone_core_set_sound_source(lc,tmpbuf[0]);
 460 */
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1) {
 465                 ms_warning("%s does not exist",tmpbuf);
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         if (strstr(tmpbuf,".wav")==NULL){
 469                 /* it currently uses old sound files, so replace them */
 470                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 471         }
 472         linphone_core_set_ring(lc,tmpbuf);
 473
 474         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 475         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 476         if (ortp_file_exist(tmpbuf)==-1){
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         if (strstr(tmpbuf,".wav")==NULL){
 480                 /* it currently uses old sound files, so replace them */
 481                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 482         }
 483         linphone_core_set_ringback(lc,tmpbuf);
 484
 485         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 486         check_sound_device(lc);
 487         lc->sound_conf.latency=0;
 488 #ifndef __ios
 489     tmp=TRUE;
 490 #else
 491     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 492 #endif
 493     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 494         linphone_core_enable_echo_cancellation(lc,tmp);
 495         linphone_core_enable_echo_limiter(lc,
 496                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 497         linphone_core_enable_agc(lc,
 498                 lp_config_get_int(lc->config,"sound","agc",0));
 499
 500         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 501         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 502
 503         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 504
 505         /*just parse requested stream feature once at start to print out eventual errors*/
 506         linphone_core_get_audio_features(lc);
 507 }
 508
 509 static void sip_config_read(LinphoneCore *lc)
 510 {
 511         char *contact;
 512         const char *tmpstr;
 513         LCSipTransports tr;
 514         int i,tmp;
 515         int ipv6;
 516         int random_port;
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 519         linphone_core_set_use_info_for_dtmf(lc,tmp);
 520
 521         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 522                 sal_use_session_timers(lc->sal,200);
 523         }
 524
 525         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 526         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 527         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 528         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 529
 530         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 531         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 532
 533         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 534         if (ipv6==-1){
 535                 ipv6=0;
 536         }
 537         linphone_core_enable_ipv6(lc,ipv6);
 538         memset(&tr,0,sizeof(tr));
 539
 540         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 541         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 542         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 543
 544         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 545                 random_port=(0xDFFF&random())+1024;
 546         else random_port=0;
 547
 548         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 549                 tr.udp_port=5060;
 550         }
 551
 552         if (tr.udp_port>0 && random_port){
 553                 tr.udp_port=random_port;
 554                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 555         }else if (tr.tcp_port>0 && random_port){
 556                 tr.tcp_port=random_port;
 557                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 558         }else if (tr.tls_port>0 && random_port){
 559                 tr.tls_port=random_port;
 560                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 561         }
 562
 563 #ifdef __linux
 564         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 565 #else
 566         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 567 #endif
 568         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 569         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 570         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 571         /*start listening on ports*/
 572         linphone_core_set_sip_transports(lc,&tr);
 573
 574         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 575         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 576                 const char *hostname=NULL;
 577                 const char *username=NULL;
 578 #ifdef HAVE_GETENV
 579                 hostname=getenv("HOST");
 580                 username=getenv("USER");
 581                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 582 #endif /*HAVE_GETENV*/
 583                 if (hostname==NULL)
 584                         hostname="unknown-host";
 585                 if (username==NULL){
 586                         username="toto";
 587                 }
 588                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 589                 linphone_core_set_primary_contact(lc,contact);
 590                 ms_free(contact);
 591         }
 592
 593         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 594         linphone_core_set_guess_hostname(lc,tmp);
 595
 596
 597         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 598         linphone_core_set_inc_timeout(lc,tmp);
 599
 600         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 601         linphone_core_set_in_call_timeout(lc,tmp);
 602
 603         /* get proxies config */
 604         for(i=0;; i++){
 605                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 606                 if (cfg!=NULL){
 607                         linphone_core_add_proxy_config(lc,cfg);
 608                 }else{
 609                         break;
 610                 }
 611         }
 612         /* get the default proxy */
 613         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 614         linphone_core_set_default_proxy_index(lc,tmp);
 615
 616         /* read authentication information */
 617         for(i=0;; i++){
 618                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 619                 if (ai!=NULL){
 620                         linphone_core_add_auth_info(lc,ai);
 621                         linphone_auth_info_destroy(ai);
 622                 }else{
 623                         break;
 624                 }
 625         }
 626         /*this is to filter out unsupported encryption schemes*/
 627         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 628
 629         /*for tuning or test*/
 630         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 631         lc->sip_conf.register_only_when_network_is_up=
 632                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 633         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 634         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 635         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 636         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 637         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 638         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 639         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 640 }
 641
 642 static void rtp_config_read(LinphoneCore *lc)
 643 {
 644         int min_port, max_port;
 645         int jitt_comp;
 646         int nortp_timeout;
 647         bool_t rtp_no_xmit_on_audio_mute;
 648         bool_t adaptive_jitt_comp_enabled;
 649
 650         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 651                 if (min_port <= 0) min_port = 1;
 652                 if (max_port > 65535) max_port = 65535;
 653                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 654         } else {
 655                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 656                 linphone_core_set_audio_port(lc, min_port);
 657         }
 658
 659         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 660                 if (min_port <= 0) min_port = 1;
 661                 if (max_port > 65535) max_port = 65535;
 662                 linphone_core_set_video_port_range(lc, min_port, max_port);
 663         } else {
 664                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 665                 linphone_core_set_video_port(lc, min_port);
 666         }
 667
 668         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 669         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 670         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 671         if (jitt_comp==0) jitt_comp=60;
 672         linphone_core_set_video_jittcomp(lc,jitt_comp);
 673         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 674         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 675         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 676         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 677         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 678         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 679         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 680         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 681 }
 682
 683 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 684         PayloadType *candidate=NULL;
 685         int i;
 686         PayloadType *it;
 687         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 688                 it=rtp_profile_get_payload(prof,i);
 689                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 690                         && (clock_rate==it->clock_rate || clock_rate<=0)
 691                         && (channels==it->channels || channels<=0) ){
 692                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 693                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 694                                 /*exact match*/
 695                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 696                                 return it;
 697                         }else {
 698                                 if (candidate){
 699                                         if (it->recv_fmtp==NULL) candidate=it;
 700                                 }else candidate=it;
 701                         }
 702                 }
 703         }
 704         if (candidate && recv_fmtp){
 705                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 706         }
 707         return candidate;
 708 }
 709
 710 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 711         char codeckey[50];
 712         const char *mime,*fmtp;
 713         int rate,channels,enabled;
 714         PayloadType *pt;
 715
 716         *ret=NULL;
 717         snprintf(codeckey,50,"%s_%i",type,index);
 718         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 719         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 720
 721         rate=lp_config_get_int(config,codeckey,"rate",8000);
 722         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 723         channels=lp_config_get_int(config,codeckey,"channels",0);
 724         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 725         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 726         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 727         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 728         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 729                         mime,rate,fmtp ? fmtp : "");
 730         *ret=pt;
 731         return TRUE;
 732 }
 733
 734 #define RANK_END 10000
 735
 736 typedef struct codec_desc{
 737         const char *name;
 738         int rate;
 739 }codec_desc_t;
 740
 741 static codec_desc_t codec_pref_order[]={
 742         {"SILK", 16000},
 743         {"speex", 16000},
 744         {"speex", 8000},
 745         {"pcmu",8000},
 746         {"pcma",8000},
 747         {"VP8",90000},
 748         {"H264",90000},
 749         {"MP4V-ES",90000},
 750         {NULL,0}
 751 };
 752
 753 static int find_codec_rank(const char *mime, int clock_rate){
 754         int i;
 755         for(i=0;codec_pref_order[i].name!=NULL;++i){
 756                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 757                         return i;
 758         }
 759         return RANK_END;
 760 }
 761
 762 static int codec_compare(const PayloadType *a, const PayloadType *b){
 763         int ra,rb;
 764         ra=find_codec_rank(a->mime_type,a->clock_rate);
 765         rb=find_codec_rank(b->mime_type,b->clock_rate);
 766         if (ra>rb) return 1;
 767         if (ra<rb) return -1;
 768         return 0;
 769 }
 770
 771 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 772         int i;
 773         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 774                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 775                 if (pt){
 776                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 777                                 pt=NULL;
 778                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 779                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 780                                 pt=NULL;
 781                         }
 782                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 783                                 if (ms_list_find(l,pt)==NULL){
 784                                         /*unranked codecs are disabled by default*/
 785                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 786                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 787                                         }
 788                                         ms_message("Adding new codec %s/%i with fmtp %s",
 789                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 790                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 791                                 }
 792                         }
 793                 }
 794         }
 795         return l;
 796 }
 797
 798 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 799         MSList *elem;
 800         for (elem=l;elem!=NULL;elem=elem->next){
 801                 PayloadType *ept=(PayloadType*)elem->data;
 802                 if (pt==ept)
 803                         return l;
 804         }
 805         l=ms_list_append(l,pt);
 806         return l;
 807 }
 808
 809 static void codecs_config_read(LinphoneCore *lc)
 810 {
 811         int i;
 812         PayloadType *pt;
 813         MSList *audio_codecs=NULL;
 814         MSList *video_codecs=NULL;
 815         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 816                 if (pt){
 817                         if (!ms_filter_codec_supported(pt->mime_type)){
 818                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 819                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 820                 }
 821         }
 822         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 823         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 824                 if (pt){
 825                         if (!ms_filter_codec_supported(pt->mime_type)){
 826                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 827                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 828                 }
 829         }
 830         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 831         linphone_core_set_audio_codecs(lc,audio_codecs);
 832         linphone_core_set_video_codecs(lc,video_codecs);
 833         linphone_core_update_allocated_audio_bandwidth(lc);
 834 }
 835
 836 static void build_video_devices_table(LinphoneCore *lc){
 837         const MSList *elem;
 838         int i;
 839         int ndev;
 840         const char **devices;
 841         if (lc->video_conf.cams)
 842                 ms_free(lc->video_conf.cams);
 843         /* retrieve all video devices */
 844         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 845         ndev=ms_list_size(elem);
 846         devices=ms_malloc((ndev+1)*sizeof(const char *));
 847         for (i=0;elem!=NULL;elem=elem->next,i++){
 848                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 849         }
 850         devices[ndev]=NULL;
 851         lc->video_conf.cams=devices;
 852 }
 853
 854 static void video_config_read(LinphoneCore *lc){
 855 #ifdef VIDEO_ENABLED
 856         int capture, display, self_view;
 857 #endif
 858         const char *str;
 859 #ifdef VIDEO_ENABLED
 860         LinphoneVideoPolicy vpol;
 861         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 862 #endif
 863         build_video_devices_table(lc);
 864
 865         str=lp_config_get_string(lc->config,"video","device",NULL);
 866         if (str && str[0]==0) str=NULL;
 867         linphone_core_set_video_device(lc,str);
 868
 869         linphone_core_set_preferred_video_size_by_name(lc,
 870                 lp_config_get_string(lc->config,"video","size","cif"));
 871
 872 #ifdef VIDEO_ENABLED
 873         capture=lp_config_get_int(lc->config,"video","capture",1);
 874         display=lp_config_get_int(lc->config,"video","display",1);
 875         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 876         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 877         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 878         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 879         if(lc->video_conf.displaytype)
 880                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 881
 882         linphone_core_enable_video(lc,capture,display);
 883         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 884         linphone_core_enable_self_view(lc,self_view);
 885         linphone_core_set_video_policy(lc,&vpol);
 886 #endif
 887 }
 888
 889 static void ui_config_read(LinphoneCore *lc)
 890 {
 891         LinphoneFriend *lf;
 892         int i;
 893         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 894                 linphone_core_add_friend(lc,lf);
 895         }
 896         call_logs_read_from_config_file(lc);
 897 }
 898
 899 /*
 900 static void autoreplier_config_init(LinphoneCore *lc)
 901 {
 902         autoreplier_config_t *config=&lc->autoreplier_conf;
 903         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 904         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 905         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 906         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 907         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 908         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 909 }
 910 */
 911
 912 bool_t linphone_core_tunnel_available(void){
 913 #ifdef TUNNEL_ENABLED
 914         return TRUE;
 915 #else
 916         return FALSE;
 917 #endif
 918 }
 919
 920 /**
 921  * Enable adaptive rate control (experimental feature, audio-only).
 922  *
 923  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 924  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 925  * available bandwidth.
 926 **/
 927 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 928         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 929 }
 930
 931 /**
 932  * Returns whether adaptive rate control is enabled.
 933  *
 934  * See linphone_core_enable_adaptive_rate_control().
 935 **/
 936 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 937         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 938 }
 939
 940 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 941         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 942 }
 943
 944 /**
 945  * Sets maximum available download bandwidth
 946  *
 947  * @ingroup media_parameters
 948  *
 949  * This is IP bandwidth, in kbit/s.
 950  * This information is used signaled to other parties during
 951  * calls (within SDP messages) so that the remote end can have
 952  * sufficient knowledge to properly configure its audio & video
 953  * codec output bitrate to not overflow available bandwidth.
 954  *
 955  * @param lc the LinphoneCore object
 956  * @param bw the bandwidth in kbits/s, 0 for infinite
 957  */
 958 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 959         lc->net_conf.download_bw=bw;
 960         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 961 }
 962
 963 /**
 964  * Sets maximum available upload bandwidth
 965  *
 966  * @ingroup media_parameters
 967  *
 968  * This is IP bandwidth, in kbit/s.
 969  * This information is used by liblinphone together with remote
 970  * side available bandwidth signaled in SDP messages to properly
 971  * configure audio & video codec's output bitrate.
 972  *
 973  * @param lc the LinphoneCore object
 974  * @param bw the bandwidth in kbits/s, 0 for infinite
 975  */
 976 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 977         lc->net_conf.upload_bw=bw;
 978         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 979 }
 980
 981 /**
 982  * Retrieve the maximum available download bandwidth.
 983  *
 984  * @ingroup media_parameters
 985  *
 986  * This value was set by linphone_core_set_download_bandwidth().
 987  *
 988 **/
 989 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 990         return lc->net_conf.download_bw;
 991 }
 992
 993 /**
 994  * Retrieve the maximum available upload bandwidth.
 995  *
 996  * @ingroup media_parameters
 997  *
 998  * This value was set by linphone_core_set_upload_bandwidth().
 999  *
1000 **/
1001 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1002         return lc->net_conf.upload_bw;
1003 }
1004 /**
1005  * Set audio packetization time linphone expects to receive from peer
1006  */
1007 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1008         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1009 }
1010
1011 /**
1012  * Get audio packetization time linphone expects to receive from peer
1013  */
1014 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1015         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1016 }
1017
1018 /**
1019  * Set audio packetization time linphone will send (in absence of requirement from peer)
1020  * A value of 0 stands for the current codec default packetization time.
1021  *
1022 **/
1023 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1024         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1025 }
1026
1027 /**
1028  * Set audio packetization time linphone will send (in absence of requirement from peer)
1029  * A value of 0 stands for the current codec default packetization time.
1030  *
1031 **/
1032 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1033         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1034 }
1035
1036
1037
1038 /**
1039  * Returns liblinphone's version as a string.
1040  *
1041  * @ingroup misc
1042  *
1043 **/
1044 const char * linphone_core_get_version(void){
1045         return liblinphone_version;
1046 }
1047
1048 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1049         PayloadType *pt;
1050         pt=payload_type_clone(const_pt);
1051         if (number==-1){
1052                 /*look for a free number */
1053                 MSList *elem;
1054                 int i;
1055                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1056                         bool_t already_assigned=FALSE;
1057                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1058                                 PayloadType *it=(PayloadType*)elem->data;
1059                                 if (payload_type_get_number(it)==i){
1060                                         already_assigned=TRUE;
1061                                         break;
1062                                 }
1063                         }
1064                         if (!already_assigned){
1065                                 number=i;
1066                                 lc->dyn_pt=i+1;
1067                                 break;
1068                         }
1069                 }
1070                 if (number==-1){
1071                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1072                 }
1073         }
1074         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1075         payload_type_set_number(pt,number);
1076         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1077         rtp_profile_set_payload(&av_profile,number,pt);
1078         lc->payload_types=ms_list_append(lc->payload_types,pt);
1079 }
1080
1081 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1082         RtpProfile *prof=&av_profile;
1083         int i;
1084         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1085                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1086                 if (pt){
1087                         if (payload_type_get_number(pt)!=i){
1088                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1089                         }
1090                 }
1091         }
1092 }
1093
1094 static void linphone_core_free_payload_types(LinphoneCore *lc){
1095         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1096         ms_list_free(lc->payload_types);
1097         lc->payload_types=NULL;
1098 }
1099
1100 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1101         lc->state=gstate;
1102         if (lc->vtable.global_state_changed){
1103                 lc->vtable.global_state_changed(lc,gstate,message);
1104         }
1105 }
1106 static void misc_config_read (LinphoneCore *lc) {
1107         LpConfig *config=lc->config;
1108     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1109     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1110 }
1111
1112
1113
1114
1115 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1116     const char *factory_config_path, void * userdata)
1117 {
1118         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1119         memset (lc, 0, sizeof (LinphoneCore));
1120         lc->data=userdata;
1121         lc->ringstream_autorelease=TRUE;
1122
1123         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1124
1125         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1126         ortp_init();
1127         lc->dyn_pt=96;
1128         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1129         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1130         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1131         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1132         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1133         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1134         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1135         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1136
1137 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1138         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1139          - to workaround potential packet losses
1140          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1141          */
1142         _linphone_core_configure_resolver();
1143 #endif
1144
1145 #ifdef ENABLE_NONSTANDARD_GSM
1146         {
1147                 PayloadType *pt;
1148                 pt=payload_type_clone(&payload_type_gsm);
1149                 pt->clock_rate=11025;
1150                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1151                 pt->clock_rate=22050;
1152                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1153                 payload_type_destroy(pt);
1154         }
1155 #endif
1156
1157 #ifdef VIDEO_ENABLED
1158         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1159         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1160         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1161         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1162         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1163         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1164         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1165         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1166         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1167 #endif
1168
1169         /*add all payload type for which we don't care about the number */
1170         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1171         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1172         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1173         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1174         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1175         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1176         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1177         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1178         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1179         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1180         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1181         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1182         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1183         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1184         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1185         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1186         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1187         linphone_core_handle_static_payloads(lc);
1188
1189         ms_init();
1190         /* create a mediastreamer2 event queue and set it as global */
1191         /* This allows to run event's callback in linphone_core_iterate() */
1192         lc->msevq=ms_event_queue_new();
1193         ms_set_global_event_queue(lc->msevq);
1194
1195         lc->config=lp_config_new(config_path);
1196         if (factory_config_path)
1197                 lp_config_read_file(lc->config,factory_config_path);
1198
1199         lc->sal=sal_init();
1200         sal_set_user_pointer(lc->sal,lc);
1201         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1202
1203         lc->network_last_check = 0;
1204         lc->network_last_status = FALSE;
1205
1206         sip_setup_register_all();
1207         sound_config_read(lc);
1208         net_config_read(lc);
1209         rtp_config_read(lc);
1210         codecs_config_read(lc);
1211         sip_config_read(lc); /* this will start eXosip*/
1212         video_config_read(lc);
1213         //autoreplier_config_init(&lc->autoreplier_conf);
1214         lc->presence_mode=LinphoneStatusOnline;
1215         misc_config_read(lc);
1216         ui_config_read(lc);
1217 #ifdef TUNNEL_ENABLED
1218         lc->tunnel=linphone_core_tunnel_new(lc);
1219         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1220 #endif
1221 #ifdef BUILD_UPNP
1222         upnp_context_init(lc);
1223 #endif
1224         if (lc->vtable.display_status)
1225                 lc->vtable.display_status(lc,_("Ready"));
1226         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1227         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1228 }
1229
1230 /**
1231  * Instanciates a LinphoneCore object.
1232  * @ingroup initializing
1233  *
1234  * The LinphoneCore object is the primary handle for doing all phone actions.
1235  * It should be unique within your application.
1236  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1237  * @param config_path a path to a config file. If it does not exists it will be created.
1238  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1239  *             become persistent over the life of the LinphoneCore object.
1240  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1241  * @param factory_config_path a path to a read-only config file that can be used to
1242  *        to store hard-coded preference such as proxy settings or internal preferences.
1243  *        The settings in this factory file always override the one in the normal config file.
1244  *        It is OPTIONAL, use NULL if unneeded.
1245  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1246  *        callbacks) using linphone_core_get_user_data().
1247  *
1248 **/
1249 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1250                                                 const char *config_path, const char *factory_config_path, void * userdata)
1251 {
1252         LinphoneCore *core=ms_new(LinphoneCore,1);
1253         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1254         return core;
1255 }
1256
1257 /**
1258  * Returns the list of available audio codecs.
1259  *
1260  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1261  * structure holding the codec information.
1262  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1263  * (such as the order of codecs).
1264 **/
1265 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1266 {
1267         return lc->codecs_conf.audio_codecs;
1268 }
1269
1270 /**
1271  * Returns the list of available video codecs.
1272  *
1273  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1274  * structure holding the codec information.
1275  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1276  * (such as the order of codecs).
1277 **/
1278 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1279 {
1280         return lc->codecs_conf.video_codecs;
1281 }
1282
1283 /**
1284  * Sets the local "from" identity.
1285  *
1286  * @ingroup proxies
1287  * This data is used in absence of any proxy configuration or when no
1288  * default proxy configuration is set. See LinphoneProxyConfig
1289 **/
1290 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1291 {
1292         LinphoneAddress *ctt;
1293
1294         if ((ctt=linphone_address_new(contact))==0) {
1295                 ms_error("Bad contact url: %s",contact);
1296                 return -1;
1297         }
1298         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1299         lc->sip_conf.contact=ms_strdup(contact);
1300         if (lc->sip_conf.guessed_contact!=NULL){
1301                 ms_free(lc->sip_conf.guessed_contact);
1302                 lc->sip_conf.guessed_contact=NULL;
1303         }
1304         linphone_address_destroy(ctt);
1305         return 0;
1306 }
1307
1308
1309 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1310 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1311         const char *ip;
1312         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1313             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1314                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1315                 return;
1316         }
1317         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1318                 return;
1319         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1320         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1321 }
1322
1323 static void update_primary_contact(LinphoneCore *lc){
1324         char *guessed=NULL;
1325         char tmp[LINPHONE_IPADDR_SIZE];
1326
1327         LinphoneAddress *url;
1328         if (lc->sip_conf.guessed_contact!=NULL){
1329                 ms_free(lc->sip_conf.guessed_contact);
1330                 lc->sip_conf.guessed_contact=NULL;
1331         }
1332         url=linphone_address_new(lc->sip_conf.contact);
1333         if (!url){
1334                 ms_error("Could not parse identity contact !");
1335                 url=linphone_address_new("sip:unknown@unkwownhost");
1336         }
1337         linphone_core_get_local_ip(lc, NULL, tmp);
1338         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1339                 ms_warning("Local loopback network only !");
1340                 lc->sip_conf.loopback_only=TRUE;
1341         }else lc->sip_conf.loopback_only=FALSE;
1342         linphone_address_set_domain(url,tmp);
1343         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1344         guessed=linphone_address_as_string(url);
1345         lc->sip_conf.guessed_contact=guessed;
1346         linphone_address_destroy(url);
1347 }
1348
1349 /**
1350  * Returns the default identity when no proxy configuration is used.
1351  *
1352  * @ingroup proxies
1353 **/
1354 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1355         char *identity;
1356
1357         if (lc->sip_conf.guess_hostname){
1358                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1359                         update_primary_contact(lc);
1360                 }
1361                 identity=lc->sip_conf.guessed_contact;
1362         }else{
1363                 identity=lc->sip_conf.contact;
1364         }
1365         return identity;
1366 }
1367
1368 /**
1369  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1370  *
1371  * @ingroup proxies
1372 **/
1373 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1374         lc->sip_conf.guess_hostname=val;
1375 }
1376
1377 /**
1378  * Returns TRUE if hostname part of primary contact is guessed automatically.
1379  *
1380  * @ingroup proxies
1381 **/
1382 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1383         return lc->sip_conf.guess_hostname;
1384 }
1385
1386 /**
1387  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1388  * instead of const char*
1389  *
1390  * @ingroup proxies
1391 **/
1392 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1393         return linphone_address_new(linphone_core_get_primary_contact(lc));
1394 }
1395
1396 /**
1397  * Sets the list of audio codecs.
1398  *
1399  * @ingroup media_parameters
1400  * The list is taken by the LinphoneCore thus the application should not free it.
1401  * This list is made of struct PayloadType describing the codec parameters.
1402 **/
1403 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1404 {
1405         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1406         lc->codecs_conf.audio_codecs=codecs;
1407         _linphone_core_codec_config_write(lc);
1408         return 0;
1409 }
1410
1411 /**
1412  * Sets the list of video codecs.
1413  *
1414  * @ingroup media_parameters
1415  * The list is taken by the LinphoneCore thus the application should not free it.
1416  * This list is made of struct PayloadType describing the codec parameters.
1417 **/
1418 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1419 {
1420         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1421         lc->codecs_conf.video_codecs=codecs;
1422         _linphone_core_codec_config_write(lc);
1423         return 0;
1424 }
1425
1426 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1427 {
1428         return lc->friends;
1429 }
1430
1431 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1432 {
1433         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1434 }
1435
1436 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1437 {
1438         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1439 }
1440
1441 /**
1442  * Returns the nominal audio jitter buffer size in milliseconds.
1443  *
1444  * @ingroup media_parameters
1445 **/
1446 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1447 {
1448         return lc->rtp_conf.audio_jitt_comp;
1449 }
1450
1451 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1452 {
1453         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1454 }
1455
1456 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1457 {
1458         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1459 }
1460
1461 /**
1462  * Returns the nominal video jitter buffer size in milliseconds.
1463  *
1464  * @ingroup media_parameters
1465 **/
1466 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1467 {
1468         return lc->rtp_conf.video_jitt_comp;
1469 }
1470
1471 /**
1472  * Returns the UDP port used for audio streaming.
1473  *
1474  * @ingroup network_parameters
1475 **/
1476 int linphone_core_get_audio_port(const LinphoneCore *lc)
1477 {
1478         return lc->rtp_conf.audio_rtp_min_port;
1479 }
1480
1481 /**
1482  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1483  *
1484  * @ingroup network_parameters
1485  */
1486 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1487 {
1488         *min_port = lc->rtp_conf.audio_rtp_min_port;
1489         *max_port = lc->rtp_conf.audio_rtp_max_port;
1490 }
1491
1492 /**
1493  * Returns the UDP port used for video streaming.
1494  *
1495  * @ingroup network_parameters
1496 **/
1497 int linphone_core_get_video_port(const LinphoneCore *lc){
1498         return lc->rtp_conf.video_rtp_min_port;
1499 }
1500
1501 /**
1502  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1503  *
1504  * @ingroup network_parameters
1505  */
1506 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1507 {
1508         *min_port = lc->rtp_conf.video_rtp_min_port;
1509         *max_port = lc->rtp_conf.video_rtp_max_port;
1510 }
1511
1512
1513 /**
1514  * Returns the value in seconds of the no-rtp timeout.
1515  *
1516  * @ingroup media_parameters
1517  * When no RTP or RTCP packets have been received for a while
1518  * LinphoneCore will consider the call is broken (remote end crashed or
1519  * disconnected from the network), and thus will terminate the call.
1520  * The no-rtp timeout is the duration above which the call is considered broken.
1521 **/
1522 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1523         return lc->rtp_conf.nortp_timeout;
1524 }
1525
1526 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1527         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1528 }
1529
1530 /**
1531  * Sets the nominal audio jitter buffer size in milliseconds.
1532  *
1533  * @ingroup media_parameters
1534 **/
1535 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1536 {
1537         lc->rtp_conf.audio_jitt_comp=value;
1538 }
1539
1540 /**
1541  * Sets the nominal video jitter buffer size in milliseconds.
1542  *
1543  * @ingroup media_parameters
1544 **/
1545 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1546 {
1547         lc->rtp_conf.video_jitt_comp=value;
1548 }
1549
1550 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1551         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1552 }
1553
1554 /**
1555  * Sets the UDP port used for audio streaming.
1556  *
1557  * @ingroup network_parameters
1558 **/
1559 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1560 {
1561         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1562 }
1563
1564 /**
1565  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1566  */
1567 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1568 {
1569         lc->rtp_conf.audio_rtp_min_port=min_port;
1570         lc->rtp_conf.audio_rtp_max_port=max_port;
1571 }
1572
1573 /**
1574  * Sets the UDP port used for video streaming.
1575  *
1576  * @ingroup network_parameters
1577 **/
1578 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1579         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1580 }
1581
1582 /**
1583  * Sets the UDP port range from which to randomly select the port used for video streaming.
1584  */
1585 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1586 {
1587         lc->rtp_conf.video_rtp_min_port=min_port;
1588         lc->rtp_conf.video_rtp_max_port=max_port;
1589 }
1590
1591 /**
1592  * Sets the no-rtp timeout value in seconds.
1593  *
1594  * @ingroup media_parameters
1595  * See linphone_core_get_nortp_timeout() for details.
1596 **/
1597 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1598         lc->rtp_conf.nortp_timeout=nortp_timeout;
1599 }
1600
1601 /**
1602  * Indicates whether SIP INFO is used for sending digits.
1603  *
1604  * @ingroup media_parameters
1605 **/
1606 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1607 {
1608         return lc->sip_conf.use_info;
1609 }
1610
1611 /**
1612  * Sets whether SIP INFO is to be used for sending digits.
1613  *
1614  * @ingroup media_parameters
1615 **/
1616 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1617 {
1618         lc->sip_conf.use_info=use_info;
1619 }
1620
1621 /**
1622  * Indicates whether RFC2833 is used for sending digits.
1623  *
1624  * @ingroup media_parameters
1625 **/
1626 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1627 {
1628         return lc->sip_conf.use_rfc2833;
1629 }
1630
1631 /**
1632  * Sets whether RFC2833 is to be used for sending digits.
1633  *
1634  * @ingroup media_parameters
1635 **/
1636 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1637 {
1638         lc->sip_conf.use_rfc2833=use_rfc2833;
1639 }
1640
1641 /**
1642  * Returns the UDP port used by SIP.
1643  *
1644  * Deprecated: use linphone_core_get_sip_transports() instead.
1645  * @ingroup network_parameters
1646 **/
1647 int linphone_core_get_sip_port(LinphoneCore *lc)
1648 {
1649         LCSipTransports *tr=&lc->sip_conf.transports;
1650         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1651 }
1652
1653 static char _ua_name[64]="Linphone";
1654 static char _ua_version[64]=LINPHONE_VERSION;
1655
1656 #ifdef HAVE_EXOSIP_GET_VERSION
1657 extern const char *eXosip_get_version();
1658 #endif
1659
1660 static void apply_user_agent(LinphoneCore *lc){
1661         char ua_string[256];
1662         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1663 #ifdef HAVE_EXOSIP_GET_VERSION
1664                  eXosip_get_version()
1665 #else
1666                  "unknown"
1667 #endif
1668         );
1669         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1670 }
1671
1672 /**
1673  * Sets the user agent string used in SIP messages.
1674  *
1675  * @ingroup misc
1676 **/
1677 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1678         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1679         strncpy(_ua_version,ver,sizeof(_ua_version));
1680         apply_user_agent(lc);
1681 }
1682
1683 const char *linphone_core_get_user_agent_name(void){
1684         return _ua_name;
1685 }
1686
1687 const char *linphone_core_get_user_agent_version(void){
1688         return _ua_version;
1689 }
1690
1691 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1692         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1693         ms_warning("%s",msg);
1694         if (lc->vtable.display_warning)
1695                 lc->vtable.display_warning(lc,msg);
1696         ms_free(msg);
1697 }
1698
1699 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1700         return
1701                 tr2->udp_port==tr1->udp_port &&
1702                 tr2->tcp_port==tr1->tcp_port &&
1703                 tr2->dtls_port==tr1->dtls_port &&
1704                 tr2->tls_port==tr1->tls_port;
1705 }
1706
1707 static int apply_transports(LinphoneCore *lc){
1708         Sal *sal=lc->sal;
1709         const char *anyaddr;
1710         LCSipTransports *tr=&lc->sip_conf.transports;
1711
1712         /*first of all invalidate all current registrations so that we can register again with new transports*/
1713         __linphone_core_invalidate_registers(lc);
1714
1715         if (lc->sip_conf.ipv6_enabled)
1716                 anyaddr="::0";
1717         else
1718                 anyaddr="0.0.0.0";
1719
1720         sal_unlisten_ports(sal);
1721         if (tr->udp_port>0){
1722                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1723                         transport_error(lc,"udp",tr->udp_port);
1724                         return -1;
1725                 }
1726         }
1727         if (tr->tcp_port>0){
1728                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1729                         transport_error(lc,"tcp",tr->tcp_port);
1730                 }
1731         }
1732         if (tr->tls_port>0){
1733                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1734                         transport_error(lc,"tls",tr->tls_port);
1735                 }
1736         }
1737         apply_user_agent(lc);
1738         return 0;
1739 }
1740
1741 /**
1742  * Sets the ports to be used for each of transport (UDP or TCP)
1743  *
1744  * A zero value port for a given transport means the transport
1745  * is not used.
1746  *
1747  * @ingroup network_parameters
1748 **/
1749 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1750
1751         if (transports_unchanged(tr,&lc->sip_conf.transports))
1752                 return 0;
1753         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1754
1755         if (linphone_core_ready(lc)){
1756                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1757                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1758                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1759         }
1760
1761         if (lc->sal==NULL) return 0;
1762         return apply_transports(lc);
1763 }
1764
1765 /**
1766  * Retrieves the ports used for each transport (udp, tcp).
1767  * A zero value port for a given transport means the transport
1768  * is not used.
1769  * @ingroup network_parameters
1770 **/
1771 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1772         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1773         return 0;
1774 }
1775
1776 /**
1777  * Sets the UDP port to be used by SIP.
1778  *
1779  * Deprecated: use linphone_core_set_sip_transports() instead.
1780  * @ingroup network_parameters
1781 **/
1782 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1783 {
1784         LCSipTransports tr;
1785         memset(&tr,0,sizeof(tr));
1786         tr.udp_port=port;
1787         linphone_core_set_sip_transports (lc,&tr);
1788 }
1789
1790 /**
1791  * Returns TRUE if IPv6 is enabled.
1792  *
1793  * @ingroup network_parameters
1794  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1795 **/
1796 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1797         return lc->sip_conf.ipv6_enabled;
1798 }
1799
1800 /**
1801  * Turns IPv6 support on or off.
1802  *
1803  * @ingroup network_parameters
1804  *
1805  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1806  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1807  * By default IPv6 support is off.
1808 **/
1809 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1810         if (lc->sip_conf.ipv6_enabled!=val){
1811                 lc->sip_conf.ipv6_enabled=val;
1812                 if (lc->sal){
1813                         /* we need to restart eXosip */
1814                         apply_transports(lc);
1815                 }
1816         }
1817 }
1818
1819
1820 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1821         char result[LINPHONE_IPADDR_SIZE];
1822         bool_t new_status=lc->network_last_status;
1823
1824         /* only do the network up checking every five seconds */
1825         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1826                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1827                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1828                         new_status=TRUE;
1829                 }else new_status=FALSE;
1830                 lc->network_last_check=curtime;
1831                 if (new_status!=lc->network_last_status) {
1832                         if (new_status){
1833                                 ms_message("New local ip address is %s",result);
1834                         }
1835                         set_network_reachable(lc,new_status, curtime);
1836                         lc->network_last_status=new_status;
1837                 }
1838         }
1839 }
1840
1841 static void proxy_update(LinphoneCore *lc){
1842         MSList *elem,*next;
1843         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1844         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1845                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1846                 next=elem->next;
1847                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1848                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1849                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1850                         linphone_proxy_config_destroy(cfg);
1851                 }
1852         }
1853 }
1854
1855 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1856         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1857         if (lf!=NULL){
1858                 lf->info=info;
1859                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1860                 if (lc->vtable.buddy_info_updated)
1861                         lc->vtable.buddy_info_updated(lc,lf);
1862         }else{
1863                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1864         }
1865 }
1866
1867 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1868         MSList *elem;
1869         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1870         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1871                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1872                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1873                         if (req->results!=NULL){
1874                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1875                                 ms_list_free(req->results);
1876                                 req->results=NULL;
1877                                 assign_buddy_info(lc,i);
1878                         }
1879                         sip_setup_context_buddy_lookup_free(ctx,req);
1880                         elem->data=NULL;
1881                 }
1882         }
1883         /*purge completed requests */
1884         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1885                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1886         }
1887 }
1888
1889 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1890         const MSList *elem;
1891         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1892         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1893                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1894                 if (lf->info==NULL){
1895                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1896                                 if (linphone_address_get_username(lf->uri)!=NULL){
1897                                         BuddyLookupRequest *req;
1898                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1899                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1900                                         buddy_lookup_request_set_key(req,tmp);
1901                                         buddy_lookup_request_set_max_results(req,1);
1902                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1903                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1904                                         ms_free(tmp);
1905                                 }
1906                         }
1907                 }
1908         }
1909 }
1910
1911 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1912         LinphoneProxyConfig *cfg=NULL;
1913         linphone_core_get_default_proxy(lc,&cfg);
1914         if (cfg){
1915                 if (lc->bl_refresh){
1916                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1917                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1918                                 linphone_core_grab_buddy_infos(lc,cfg);
1919                                 lc->bl_refresh=FALSE;
1920                         }
1921                 }
1922                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1923         }
1924 }
1925
1926 /**
1927  * Main loop function. It is crucial that your application call it periodically.
1928  *
1929  * @ingroup initializing
1930  * linphone_core_iterate() performs various backgrounds tasks:
1931  * - receiving of SIP messages
1932  * - handles timers and timeout
1933  * - performs registration to proxies
1934  * - authentication retries
1935  * The application MUST call this function periodically, in its main loop.
1936  * Be careful that this function must be called from the same thread as
1937  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1938  * serialized with a mutex.
1939 **/
1940 void linphone_core_iterate(LinphoneCore *lc){
1941         MSList *calls;
1942         LinphoneCall *call;
1943         time_t curtime=time(NULL);
1944         int elapsed;
1945         bool_t one_second_elapsed=FALSE;
1946
1947         if (curtime-lc->prevtime>=1){
1948                 lc->prevtime=curtime;
1949                 one_second_elapsed=TRUE;
1950         }
1951
1952         if (lc->ecc!=NULL){
1953                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1954                 if (ecs!=LinphoneEcCalibratorInProgress){
1955                         if (lc->ecc->cb)
1956                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1957                         if (ecs==LinphoneEcCalibratorDone){
1958                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1959                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1960                         } else if (ecs == LinphoneEcCalibratorFailed) {
1961                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1962                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1963                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1964                         }
1965                         ec_calibrator_destroy(lc->ecc);
1966                         lc->ecc=NULL;
1967                 }
1968         }
1969
1970         if (lc->preview_finished){
1971                 lc->preview_finished=0;
1972                 ring_stop(lc->ringstream);
1973                 lc->ringstream=NULL;
1974                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1975         }
1976
1977         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1978             && (curtime-lc->dmfs_playing_start_time)>5){
1979                 ring_stop(lc->ringstream);
1980                 lc->ringstream=NULL;
1981                 lc->dmfs_playing_start_time=0;
1982         }
1983
1984         sal_iterate(lc->sal);
1985         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1986         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1987
1988         proxy_update(lc);
1989
1990         //we have to iterate for each call
1991         calls= lc->calls;
1992         while(calls!= NULL){
1993                 call = (LinphoneCall *)calls->data;
1994                 elapsed = curtime-call->start_time;
1995                  /* get immediately a reference to next one in case the one
1996                  we are going to examine is destroy and removed during
1997                  linphone_core_start_invite() */
1998                 calls=calls->next;
1999                 linphone_call_background_tasks(call,one_second_elapsed);
2000                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
2001                         /*start the call even if the OPTIONS reply did not arrive*/
2002                         if (call->ice_session != NULL) {
2003                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2004                                                 ,linphone_core_get_stun_server(lc));
2005                                 linphone_call_delete_ice_session(call);
2006                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2007                         }
2008                         if (call->upnp_session != NULL) {
2009                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call withoutt uPnP anyway.");
2010                                 linphone_call_delete_upnp_session(call);
2011                         }
2012                         linphone_core_start_invite(lc,call);
2013                 }
2014                 if (call->state==LinphoneCallIncomingReceived){
2015                         ms_message("incoming call ringing for %i seconds",elapsed);
2016                         if (elapsed>lc->sip_conf.inc_timeout){
2017                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2018                                 call->log->status=LinphoneCallMissed;
2019                                 call->reason=LinphoneReasonNotAnswered;
2020                                 linphone_core_terminate_call(lc,call);
2021                         }
2022                 }
2023                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2024                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2025                         linphone_core_terminate_call(lc,call);
2026                 }
2027         }
2028
2029         if (linphone_core_video_preview_enabled(lc)){
2030                 if (lc->previewstream==NULL && lc->calls==NULL)
2031                         toggle_video_preview(lc,TRUE);
2032 #ifdef VIDEO_ENABLED
2033                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2034 #endif
2035         }else{
2036                 if (lc->previewstream!=NULL)
2037                         toggle_video_preview(lc,FALSE);
2038         }
2039
2040         linphone_core_run_hooks(lc);
2041         linphone_core_do_plugin_tasks(lc);
2042
2043         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2044             (curtime-lc->netup_time)>3){
2045                 linphone_core_send_initial_subscribes(lc);
2046                 lc->initial_subscribes_sent=TRUE;
2047         }
2048
2049         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2050                 lp_config_sync(lc->config);
2051         }
2052 }
2053
2054 /**
2055  * Interpret a call destination as supplied by the user, and returns a fully qualified
2056  * LinphoneAddress.
2057  *
2058  * A sip address should look like DisplayName <sip:username@domain:port> .
2059  * Basically this function performs the following tasks
2060  * - if a phone number is entered, prepend country prefix of the default proxy
2061  *   configuration, eventually escape the '+' by 00.
2062  * - if no domain part is supplied, append the domain name of the default proxy
2063  * - if no sip: is present, prepend it
2064  *
2065  * The result is a syntaxically correct SIP address.
2066 **/
2067
2068 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2069         enum_lookup_res_t *enumres=NULL;
2070         char *enum_domain=NULL;
2071         LinphoneProxyConfig *proxy=lc->default_proxy;;
2072         char *tmpurl;
2073         LinphoneAddress *uri;
2074
2075         if (is_enum(url,&enum_domain)){
2076                 if (lc->vtable.display_status!=NULL)
2077                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2078                 if (enum_lookup(enum_domain,&enumres)<0){
2079                         if (lc->vtable.display_status!=NULL)
2080                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2081                         ms_free(enum_domain);
2082                         return NULL;
2083                 }
2084                 ms_free(enum_domain);
2085                 tmpurl=enumres->sip_address[0];
2086                 uri=linphone_address_new(tmpurl);
2087                 enum_lookup_res_free(enumres);
2088                 return uri;
2089         }
2090         /* check if we have a "sip:" */
2091         if (strstr(url,"sip:")==NULL){
2092                 /* this doesn't look like a true sip uri */
2093                 if (strchr(url,'@')!=NULL){
2094                         /* seems like sip: is missing !*/
2095                         tmpurl=ms_strdup_printf("sip:%s",url);
2096                         uri=linphone_address_new(tmpurl);
2097                         ms_free(tmpurl);
2098                         if (uri){
2099                                 return uri;
2100                         }
2101                 }
2102
2103                 if (proxy!=NULL){
2104                         /* append the proxy domain suffix */
2105                         const char *identity=linphone_proxy_config_get_identity(proxy);
2106                         char normalized_username[128];
2107                         uri=linphone_address_new(identity);
2108                         if (uri==NULL){
2109                                 return NULL;
2110                         }
2111                         linphone_address_set_display_name(uri,NULL);
2112                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2113                                                                 sizeof(normalized_username));
2114                         linphone_address_set_username(uri,normalized_username);
2115                         return uri;
2116                 }else return NULL;
2117         }
2118         uri=linphone_address_new(url);
2119         if (uri!=NULL){
2120                 return uri;
2121         }
2122         /* else we could not do anything with url given by user, so display an error */
2123         if (lc->vtable.display_warning!=NULL){
2124                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2125         }
2126         return NULL;
2127 }
2128
2129 /**
2130  * Returns the default identity SIP address.
2131  *
2132  * @ingroup proxies
2133  * This is an helper function:
2134  *
2135  * If no default proxy is set, this will return the primary contact (
2136  * see linphone_core_get_primary_contact() ). If a default proxy is set
2137  * it returns the registered identity on the proxy.
2138 **/
2139 const char * linphone_core_get_identity(LinphoneCore *lc){
2140         LinphoneProxyConfig *proxy=NULL;
2141         const char *from;
2142         linphone_core_get_default_proxy(lc,&proxy);
2143         if (proxy!=NULL) {
2144                 from=linphone_proxy_config_get_identity(proxy);
2145         }else from=linphone_core_get_primary_contact(lc);
2146         return from;
2147 }
2148
2149 const char * linphone_core_get_route(LinphoneCore *lc){
2150         LinphoneProxyConfig *proxy=NULL;
2151         const char *route=NULL;
2152         linphone_core_get_default_proxy(lc,&proxy);
2153         if (proxy!=NULL) {
2154                 route=linphone_proxy_config_get_route(proxy);
2155         }
2156         return route;
2157 }
2158
2159 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2160         if (call->refer_pending){
2161                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2162                 LinphoneCall *newcall;
2163                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2164                 cp->referer=call;
2165                 ms_message("Starting new call to refered address %s",call->refer_to);
2166                 call->refer_pending=FALSE;
2167                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2168                 linphone_call_params_destroy(cp);
2169                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2170         }
2171 }
2172
2173 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2174         if (referer->op!=NULL){
2175                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2176         }
2177 }
2178
2179 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2180         const MSList *elem;
2181         LinphoneProxyConfig *found_cfg=NULL;
2182         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2183
2184         /*always prefer the default proxy if it is matching the destination uri*/
2185         if (default_cfg){
2186                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2187                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2188                         return default_cfg;
2189         }
2190
2191         /*otherwise iterate through the other proxy config and return the first matching*/
2192         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2193                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2194                 const char *domain=linphone_proxy_config_get_domain(cfg);
2195                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2196                         found_cfg=cfg;
2197                         break;
2198                 }
2199         }
2200         return found_cfg;
2201 }
2202
2203 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2204         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2205         if (cfg==NULL)
2206                 linphone_core_get_default_proxy (lc,&cfg);
2207         if (cfg!=NULL){
2208                 if (route) *route=linphone_proxy_config_get_route(cfg);
2209                 return linphone_proxy_config_get_identity (cfg);
2210         }
2211         return linphone_core_get_primary_contact (lc);
2212 }
2213
2214 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2215         LinphoneAddress *ctt;
2216         const char *localip=call->localip;
2217
2218         /* first use user's supplied ip address if asked*/
2219         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2220                 ctt=linphone_core_get_primary_contact_parsed(lc);
2221                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2222                         linphone_core_get_nat_address_resolved(lc));
2223         }
2224
2225         /* if already choosed, don't change it */
2226         if (call->op && sal_op_get_contact(call->op)!=NULL){
2227                 return NULL;
2228         }
2229         /* if the ping OPTIONS request succeeded use the contact guessed from the
2230          received, rport*/
2231         if (call->ping_op){
2232                 const char *guessed=sal_op_get_contact(call->ping_op);
2233                 if (guessed){
2234                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2235                         return ms_strdup(guessed);
2236                 }
2237         }
2238
2239         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2240         if (dest_proxy && dest_proxy->op){
2241                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2242                 if (fixed_contact) {
2243                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2244                         return ms_strdup(fixed_contact);
2245                 }
2246         }
2247
2248         ctt=linphone_core_get_primary_contact_parsed(lc);
2249
2250         if (ctt!=NULL){
2251                 char *ret;
2252                 /*otherwise use supllied localip*/
2253                 linphone_address_set_domain(ctt,localip);
2254                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2255                 ret=linphone_address_as_string_uri_only(ctt);
2256                 linphone_address_destroy(ctt);
2257                 ms_message("Contact has been fixed using local ip to %s",ret);
2258                 return ret;
2259         }
2260         return NULL;
2261 }
2262
2263 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2264         bool_t ice_ready = FALSE;
2265         bool_t ping_ready = FALSE;
2266
2267         if (call->ice_session != NULL) {
2268                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2269         } else {
2270                 ice_ready = TRUE;
2271         }
2272         if (call->ping_op != NULL) {
2273                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2274         } else {
2275                 ping_ready = TRUE;
2276         }
2277
2278         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2279                 return linphone_core_start_invite(lc, call);
2280         }
2281         return 0;
2282 }
2283
2284 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2285         int err;
2286         char *contact;
2287         char *real_url,*barmsg;
2288         char *from;
2289         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2290
2291         /*try to be best-effort in giving real local or routable contact address */
2292         contact=get_fixed_contact(lc,call,dest_proxy);
2293         if (contact){
2294                 sal_op_set_contact(call->op, contact);
2295                 ms_free(contact);
2296         }
2297         linphone_core_stop_dtmf_stream(lc);
2298         linphone_call_init_media_streams(call);
2299         if (lc->ringstream==NULL)
2300                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2301         linphone_call_make_local_media_description(lc,call);
2302         if (!lc->sip_conf.sdp_200_ack){
2303                 call->media_pending=TRUE;
2304                 sal_call_set_local_media_description(call->op,call->localdesc);
2305         }
2306         real_url=linphone_address_as_string(call->log->to);
2307         from=linphone_address_as_string(call->log->from);
2308         err=sal_call(call->op,from,real_url);
2309         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2310
2311         if (lc->sip_conf.sdp_200_ack){
2312                 call->media_pending=TRUE;
2313                 sal_call_set_local_media_description(call->op,call->localdesc);
2314         }
2315         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2316         if (lc->vtable.display_status!=NULL)
2317                 lc->vtable.display_status(lc,barmsg);
2318         ms_free(barmsg);
2319
2320         if (err<0){
2321                 if (lc->vtable.display_status!=NULL)
2322                         lc->vtable.display_status(lc,_("Could not call"));
2323                 linphone_call_stop_media_streams(call);
2324                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2325         }else {
2326                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2327         }
2328         ms_free(real_url);
2329         ms_free(from);
2330         return err;
2331 }
2332
2333 /**
2334  * Initiates an outgoing call
2335  *
2336  * @ingroup call_control
2337  * @param lc the LinphoneCore object
2338  * @param url the destination of the call (sip address, or phone number).
2339  *
2340  * The application doesn't own a reference to the returned LinphoneCall object.
2341  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2342  *
2343  * @return a LinphoneCall object or NULL in case of failure
2344 **/
2345 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2346         LinphoneCall *call;
2347         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2348         p->has_video &= !!lc->video_policy.automatically_initiate;
2349         call=linphone_core_invite_with_params(lc,url,p);
2350         linphone_call_params_destroy(p);
2351         return call;
2352 }
2353
2354
2355 /**
2356  * Initiates an outgoing call according to supplied call parameters
2357  *
2358  * @ingroup call_control
2359  * @param lc the LinphoneCore object
2360  * @param url the destination of the call (sip address, or phone number).
2361  * @param p call parameters
2362  *
2363  * The application doesn't own a reference to the returned LinphoneCall object.
2364  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2365  *
2366  * @return a LinphoneCall object or NULL in case of failure
2367 **/
2368 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2369         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2370         if (addr){
2371                 LinphoneCall *call;
2372                 call=linphone_core_invite_address_with_params(lc,addr,p);
2373                 linphone_address_destroy(addr);
2374                 return call;
2375         }
2376         return NULL;
2377 }
2378
2379 /**
2380  * Initiates an outgoing call given a destination LinphoneAddress
2381  *
2382  * @ingroup call_control
2383  * @param lc the LinphoneCore object
2384  * @param addr the destination of the call (sip address).
2385  *
2386  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2387  * created by linphone_core_interpret_url().
2388  * The application doesn't own a reference to the returned LinphoneCall object.
2389  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2390  *
2391  * @return a LinphoneCall object or NULL in case of failure
2392 **/
2393 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2394         LinphoneCall *call;
2395         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2396         p->has_video &= !!lc->video_policy.automatically_initiate;
2397         call=linphone_core_invite_address_with_params (lc,addr,p);
2398         linphone_call_params_destroy(p);
2399         return call;
2400 }
2401
2402
2403 /**
2404  * Initiates an outgoing call given a destination LinphoneAddress
2405  *
2406  * @ingroup call_control
2407  * @param lc the LinphoneCore object
2408  * @param addr the destination of the call (sip address).
2409         @param params call parameters
2410  *
2411  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2412  * created by linphone_core_interpret_url().
2413  * The application doesn't own a reference to the returned LinphoneCall object.
2414  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2415  *
2416  * @return a LinphoneCall object or NULL in case of failure
2417 **/
2418 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2419 {
2420         const char *route=NULL;
2421         const char *from=NULL;
2422         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2423         LinphoneAddress *parsed_url2=NULL;
2424         char *real_url=NULL;
2425         LinphoneCall *call;
2426         bool_t defer = FALSE;
2427
2428         linphone_core_preempt_sound_resources(lc);
2429
2430         if(!linphone_core_can_we_add_call(lc)){
2431                 if (lc->vtable.display_warning)
2432                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2433                 return NULL;
2434         }
2435         linphone_core_get_default_proxy(lc,&proxy);
2436         route=linphone_core_get_route(lc);
2437
2438         real_url=linphone_address_as_string(addr);
2439         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2440
2441         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2442                 ms_message("Overriding default proxy setting for this call:");
2443                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2444         }
2445
2446         if (dest_proxy!=NULL)
2447                 from=linphone_proxy_config_get_identity(dest_proxy);
2448         else if (proxy!=NULL)
2449                 from=linphone_proxy_config_get_identity(proxy);
2450
2451         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2452         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2453
2454         parsed_url2=linphone_address_new(from);
2455
2456         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2457         call->dest_proxy=dest_proxy;
2458         sal_op_set_route(call->op,route);
2459
2460         if(linphone_core_add_call(lc,call)!= 0)
2461         {
2462                 ms_warning("we had a problem in adding the call into the invite ... weird");
2463                 linphone_call_unref(call);
2464                 return NULL;
2465         }
2466         /* this call becomes now the current one*/
2467         lc->current_call=call;
2468         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2469         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2470                 /* Defer the start of the call after the ICE gathering process. */
2471                 linphone_call_init_media_streams(call);
2472                 linphone_call_start_media_streams_for_ice_gathering(call);
2473                 call->start_time=time(NULL);
2474                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2475                         /* Ice candidates gathering failed, proceed with the call anyway. */
2476                         linphone_call_delete_ice_session(call);
2477                         linphone_call_stop_media_streams_for_ice_gathering(call);
2478                 } else {
2479                         defer = TRUE;
2480                 }
2481         }
2482         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2483 #ifdef BUILD_UPNP
2484                 linphone_call_init_media_streams(call);
2485                 call->start_time=time(NULL);
2486                 if (linphone_core_update_upnp(lc,call)<0) {
2487                         /* uPnP port mappings failed, proceed with the call anyway. */
2488                         linphone_call_delete_upnp_session(call);
2489                 } else {
2490                         defer = TRUE;
2491                 }
2492 #endif
2493         }
2494
2495         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2496                 /*defer the start of the call after the OPTIONS ping*/
2497                 call->ping_replied=FALSE;
2498                 call->ping_op=sal_op_new(lc->sal);
2499                 sal_ping(call->ping_op,from,real_url);
2500                 sal_op_set_user_pointer(call->ping_op,call);
2501                 call->start_time=time(NULL);
2502         }else{
2503                 if (defer==FALSE) linphone_core_start_invite(lc,call);
2504         }
2505
2506         if (real_url!=NULL) ms_free(real_url);
2507         return call;
2508 }
2509
2510 /**
2511  * Performs a simple call transfer to the specified destination.
2512  *
2513  * The remote endpoint is expected to issue a new call to the specified destination.
2514  * The current call remains active and thus can be later paused or terminated.
2515 **/
2516 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2517 {
2518         char *real_url=NULL;
2519         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2520
2521         if (!real_parsed_url){
2522                 /* bad url */
2523                 return -1;
2524         }
2525         if (call==NULL){
2526                 ms_warning("No established call to refer.");
2527                 return -1;
2528         }
2529         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2530         real_url=linphone_address_as_string (real_parsed_url);
2531         sal_call_refer(call->op,real_url);
2532         ms_free(real_url);
2533         linphone_address_destroy(real_parsed_url);
2534         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2535         return 0;
2536 }
2537
2538 /**
2539  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2540  * @param lc linphone core object
2541  * @param call a running call you want to transfer
2542  * @param dest a running call whose remote person will receive the transfer
2543  *
2544  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2545  * The destination call is a call previously established to introduce the transfered person.
2546  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2547  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2548  * close the call with us (the 'dest' call).
2549 **/
2550 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2551         int result = sal_call_refer_with_replaces (call->op,dest->op);
2552         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2553         return result;
2554 }
2555
2556 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2557         LinphoneCall *call = linphone_core_get_current_call(lc);
2558         if(call != NULL)
2559         {
2560                 if(call->dir==LinphoneCallIncoming
2561                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2562                         return TRUE;
2563         }
2564         return FALSE;
2565 }
2566
2567 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2568         char *barmesg;
2569         char *tmp;
2570         LinphoneAddress *from_parsed;
2571         SalMediaDescription *md;
2572         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2573         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2574
2575         linphone_call_make_local_media_description(lc,call);
2576         sal_call_set_local_media_description(call->op,call->localdesc);
2577         md=sal_call_get_final_media_description(call->op);
2578         if (md && sal_media_description_empty(md)){
2579                 sal_call_decline(call->op,SalReasonMedia,NULL);
2580                 linphone_call_unref(call);
2581                 return;
2582         }
2583
2584         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2585         linphone_address_clean(from_parsed);
2586         tmp=linphone_address_as_string(from_parsed);
2587         linphone_address_destroy(from_parsed);
2588         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2589             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2590         if (lc->vtable.show) lc->vtable.show(lc);
2591         if (lc->vtable.display_status)
2592             lc->vtable.display_status(lc,barmesg);
2593
2594         /* play the ring if this is the only call*/
2595         if (ms_list_size(lc->calls)==1){
2596                 lc->current_call=call;
2597                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2598                         ring_stop(lc->ringstream);
2599                         lc->ringstream=NULL;
2600                         lc->dmfs_playing_start_time=0;
2601                 }
2602                 if (lc->sound_conf.ring_sndcard!=NULL){
2603                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2604                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2605                                 ms_message("Starting local ring...");
2606                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2607                         }
2608                         else
2609                         {
2610                                 ms_message("the local ring is already started");
2611                         }
2612                 }
2613         }else{
2614                 /* else play a tone within the context of the current call */
2615                 call->ringing_beep=TRUE;
2616                 linphone_core_play_tone(lc);
2617         }
2618
2619         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2620
2621         if (call->state==LinphoneCallIncomingReceived){
2622                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2623
2624                 if (propose_early_media || ringback_tone!=NULL){
2625                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2626                         md=sal_call_get_final_media_description(call->op);
2627                         linphone_core_update_streams(lc,call,md);
2628                 }
2629                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2630                         linphone_core_accept_call(lc,call);
2631                 }
2632         }
2633         linphone_call_unref(call);
2634
2635         ms_free(barmesg);
2636         ms_free(tmp);
2637 }
2638
2639 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2640         const char *subject;
2641         call->camera_active=call->params.has_video;
2642         if (call->ice_session != NULL)
2643                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2644
2645         if (call->params.in_conference){
2646                 subject="Conference";
2647         }else{
2648                 subject="Media change";
2649         }
2650         if (lc->vtable.display_status)
2651                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2652         sal_call_set_local_media_description (call->op,call->localdesc);
2653         return sal_call_update(call->op,subject);
2654 }
2655
2656 /**
2657  * @ingroup call_control
2658  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2659  *
2660  * In this version this is limited to the following use cases:
2661  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2662  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2663  *
2664  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2665  * @param lc the core
2666  * @param call the call to be updated
2667  * @param params the new call parameters to use. (may be NULL)
2668  * @return 0 if successful, -1 otherwise.
2669 **/
2670 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2671         int err=0;
2672         if (params!=NULL){
2673                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2674 #ifdef VIDEO_ENABLED
2675                 bool_t has_video = call->params.has_video;
2676                 if(call->videostream != NULL && !params->has_video) {
2677                         if ((call->ice_session != NULL)) {
2678                                 ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2679                                 call->videostream->ice_check_list = NULL;
2680                         }
2681                 }
2682                 call->params = *params;
2683                 linphone_call_make_local_media_description(lc, call);
2684                 if (!has_video && call->params.has_video) {
2685                         if (call->ice_session != NULL) {
2686                                 /* Defer call update until the ICE candidates gathering process has finished. */
2687                                 ms_message("Defer call update to gather ICE candidates");
2688                                 linphone_call_init_video_stream(call);
2689                                 video_stream_prepare_video(call->videostream);
2690                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2691                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2692                                         linphone_call_delete_ice_session(call);
2693                                 } else {
2694                                         return err;
2695                                 }
2696                         }
2697                 }
2698 #ifdef BUILD_UPNP
2699                 if(call->upnp_session != NULL) {
2700                         ms_message("Defer call update to add uPnP port mappings");
2701                         linphone_call_init_video_stream(call);
2702                         video_stream_prepare_video(call->videostream);
2703                         if (linphone_core_update_upnp(lc, call)<0) {
2704                                 /* uPnP port mappings failed, proceed with the call anyway. */
2705                                 linphone_call_delete_upnp_session(call);
2706                         } else {
2707                                 return err;
2708                         }
2709                 }
2710 #endif //BUILD_UPNP
2711 #endif
2712                 err = linphone_core_start_update_call(lc, call);
2713         }else{
2714 #ifdef VIDEO_ENABLED
2715                 if (call->videostream!=NULL){
2716                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2717                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2718                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2719                         }else video_stream_update_video_params(call->videostream);
2720                 }
2721 #endif
2722         }
2723
2724         return err;
2725 }
2726
2727 /**
2728  * @ingroup call_control
2729  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2730  *
2731  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2732  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2733  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2734  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2735  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2736  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2737  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2738  *
2739  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2740 **/
2741 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2742         if (call->state==LinphoneCallUpdatedByRemote){
2743                 call->defer_update=TRUE;
2744                 return 0;
2745         }
2746         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2747         return -1;
2748 }
2749
2750 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2751         SalMediaDescription *md;
2752         if (call->ice_session != NULL) {
2753                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2754                         /* Defer the sending of the answer until there are no losing pairs left. */
2755                         return 0;
2756                 }
2757                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2758         }
2759         sal_call_set_local_media_description(call->op,call->localdesc);
2760         sal_call_accept(call->op);
2761         md=sal_call_get_final_media_description(call->op);
2762         if (md && !sal_media_description_empty(md))
2763                 linphone_core_update_streams (lc,call,md);
2764         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2765         return 0;
2766 }
2767
2768 /**
2769  * @ingroup call_control
2770  * Accept call modifications initiated by other end.
2771  *
2772  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2773  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2774  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2775  * requested by the other party, such as whether a video stream is requested.
2776  *
2777  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2778  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2779  * If params is not NULL, then the update will be accepted according to the parameters passed.
2780  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2781  * (see linphone_call_params_enable_video()).
2782  * @param lc the linphone core object.
2783  * @param call the LinphoneCall object
2784  * @param params a LinphoneCallParams object describing the call parameters to accept.
2785  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2786 **/
2787 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2788 #ifdef VIDEO_ENABLED
2789         bool_t old_has_video = call->params.has_video;
2790 #endif
2791         if (call->state!=LinphoneCallUpdatedByRemote){
2792                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2793                          linphone_call_state_to_string(call->state));
2794                 return -1;
2795         }
2796         if (params==NULL){
2797                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2798         }else
2799                 call->params=*params;
2800
2801         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2802                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2803                 call->params.has_video=FALSE;
2804         }
2805         if (call->current_params.in_conference) {
2806                 ms_warning("Video isn't supported in conference");
2807                 call->params.has_video = FALSE;
2808         }
2809         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2810         call->camera_active=call->params.has_video;
2811         linphone_call_make_local_media_description(lc,call);
2812         if (call->ice_session != NULL) {
2813                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2814 #ifdef VIDEO_ENABLED
2815                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2816                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2817                                 linphone_call_init_video_stream(call);
2818                                 video_stream_prepare_video(call->videostream);
2819                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2820                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2821                                         linphone_call_delete_ice_session(call);
2822                                 } else return 0;
2823                         }
2824                 }
2825 #endif
2826         }
2827
2828 #if BUILD_UPNP
2829         if(call->upnp_session != NULL) {
2830         }
2831 #endif //BUILD_UPNP
2832
2833         linphone_core_start_accept_call_update(lc, call);
2834         return 0;
2835 }
2836
2837 /**
2838  * Accept an incoming call.
2839  *
2840  * @ingroup call_control
2841  * Basically the application is notified of incoming calls within the
2842  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2843  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2844  * The application can later accept the call using this method.
2845  * @param lc the LinphoneCore object
2846  * @param call the LinphoneCall object representing the call to be answered.
2847  *
2848 **/
2849 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2850         return linphone_core_accept_call_with_params(lc,call,NULL);
2851 }
2852
2853 /**
2854  * Accept an incoming call, with parameters.
2855  *
2856  * @ingroup call_control
2857  * Basically the application is notified of incoming calls within the
2858  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2859  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2860  * The application can later accept the call using
2861  * this method.
2862  * @param lc the LinphoneCore object
2863  * @param call the LinphoneCall object representing the call to be answered.
2864  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2865  *
2866 **/
2867 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2868 {
2869         LinphoneProxyConfig *cfg=NULL;
2870         const char *contact=NULL;
2871         SalOp *replaced;
2872         SalMediaDescription *new_md;
2873         bool_t was_ringing=FALSE;
2874
2875         if (call==NULL){
2876                 //if just one call is present answer the only one ...
2877                 if(linphone_core_get_calls_nb (lc) != 1)
2878                         return -1;
2879                 else
2880                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2881         }
2882
2883         if (call->state==LinphoneCallConnected){
2884                 /*call already accepted*/
2885                 return -1;
2886         }
2887
2888         /* check if this call is supposed to replace an already running one*/
2889         replaced=sal_call_get_replaces(call->op);
2890         if (replaced){
2891                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2892                 if (rc){
2893                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2894                                    call,rc);
2895                         linphone_core_terminate_call(lc,rc);
2896                 }
2897         }
2898
2899         if (lc->current_call!=call){
2900                 linphone_core_preempt_sound_resources(lc);
2901         }
2902
2903         /*stop ringing */
2904         if (lc->ringstream!=NULL) {
2905                 ms_message("stop ringing");
2906                 ring_stop(lc->ringstream);
2907                 ms_message("ring stopped");
2908                 lc->ringstream=NULL;
2909                 was_ringing=TRUE;
2910         }
2911         if (call->ringing_beep){
2912                 linphone_core_stop_dtmf(lc);
2913                 call->ringing_beep=FALSE;
2914         }
2915
2916         linphone_core_get_default_proxy(lc,&cfg);
2917         call->dest_proxy=cfg;
2918         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2919
2920         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2921                 ms_message("Overriding default proxy setting for this call:");
2922                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2923         }
2924         /*try to be best-effort in giving real local or routable contact address*/
2925         contact=get_fixed_contact(lc,call,call->dest_proxy);
2926         if (contact)
2927                 sal_op_set_contact(call->op,contact);
2928
2929         if (params){
2930                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
2931                 call->params=*params;
2932                 // There might not be a md if the INVITE was lacking an SDP
2933                 // In this case we use the parameters as is.
2934                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
2935                 call->camera_active=call->params.has_video;
2936                 linphone_call_make_local_media_description(lc,call);
2937                 sal_call_set_local_media_description(call->op,call->localdesc);
2938         }
2939
2940         if (call->audiostream==NULL)
2941                 linphone_call_init_media_streams(call);
2942         if (!was_ringing && call->audiostream->ticker==NULL){
2943                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2944         }
2945
2946         sal_call_accept(call->op);
2947         if (lc->vtable.display_status!=NULL)
2948                 lc->vtable.display_status(lc,_("Connected."));
2949         lc->current_call=call;
2950         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2951         new_md=sal_call_get_final_media_description(call->op);
2952         linphone_core_update_streams(lc, call, new_md);
2953         if (new_md){
2954                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2955         }else call->media_pending=TRUE;
2956
2957         ms_message("call answered.");
2958         return 0;
2959 }
2960
2961 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2962         sal_call_terminate(call->op);
2963
2964         /*stop ringing*/
2965         if (lc->ringstream!=NULL) {
2966                 ring_stop(lc->ringstream);
2967                 lc->ringstream=NULL;
2968         }
2969         linphone_call_stop_media_streams(call);
2970         if (lc->vtable.display_status!=NULL)
2971                 lc->vtable.display_status(lc,_("Call aborted") );
2972         linphone_call_set_state(call,LinphoneCallError,error);
2973         return 0;
2974 }
2975
2976 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2977         if (call->state==LinphoneCallIncomingReceived){
2978                 if (call->reason!=LinphoneReasonNotAnswered)
2979                         call->reason=LinphoneReasonDeclined;
2980         }
2981         /*stop ringing*/
2982         if (lc->ringstream!=NULL) {
2983                 ring_stop(lc->ringstream);
2984                 lc->ringstream=NULL;
2985         }
2986
2987         linphone_call_stop_media_streams(call);
2988         if (lc->vtable.display_status!=NULL)
2989                 lc->vtable.display_status(lc,_("Call ended") );
2990         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2991 }
2992
2993 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2994         if (call->state==LinphoneCallIncomingReceived){
2995                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2996                 call->reason=LinphoneReasonDeclined;
2997                 terminate_call(lc,call);
2998         }else{
2999                 ms_error("Bad state for call redirection.");
3000                 return -1;
3001     }
3002         return 0;
3003 }
3004
3005
3006 /**
3007  * Terminates a call.
3008  *
3009  * @ingroup call_control
3010  * @param lc the LinphoneCore
3011  * @param the_call the LinphoneCall object representing the call to be terminated.
3012 **/
3013 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3014 {
3015         LinphoneCall *call;
3016         if (the_call == NULL){
3017                 call = linphone_core_get_current_call(lc);
3018                 if (ms_list_size(lc->calls)==1){
3019                         call=(LinphoneCall*)lc->calls->data;
3020                 }else{
3021                         ms_warning("No unique call to terminate !");
3022                         return -1;
3023                 }
3024         }
3025         else
3026         {
3027                 call = the_call;
3028         }
3029         sal_call_terminate(call->op);
3030         terminate_call(lc,call);
3031         return 0;
3032 }
3033
3034 /**
3035  * Decline a pending incoming call, with a reason.
3036  * @param lc the linphone core
3037  * @param call the LinphoneCall, must be in the IncomingReceived state.
3038  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3039 **/
3040 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3041         SalReason sal_reason=SalReasonUnknown;
3042         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3043                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3044                 return -1;
3045         }
3046         switch(reason){
3047                 case LinphoneReasonDeclined:
3048                         sal_reason=SalReasonDeclined;
3049                 break;
3050                 case LinphoneReasonBusy:
3051                         sal_reason=SalReasonBusy;
3052                 break;
3053                 default:
3054                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3055                         return -1;
3056                 break;
3057         }
3058         sal_call_decline(call->op,sal_reason,NULL);
3059         terminate_call(lc,call);
3060         return 0;
3061 }
3062
3063 /**
3064  * Terminates all the calls.
3065  *
3066  * @ingroup call_control
3067  * @param lc The LinphoneCore
3068 **/
3069 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3070         MSList *calls=lc->calls;
3071         while(calls) {
3072                 LinphoneCall *c=(LinphoneCall*)calls->data;
3073                 calls=calls->next;
3074                 linphone_core_terminate_call(lc,c);
3075         }
3076         return 0;
3077 }
3078
3079 /**
3080  * Returns the current list of calls.
3081  *
3082  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3083  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3084  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3085  *
3086  * @ingroup call_control
3087 **/
3088 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3089 {
3090         return lc->calls;
3091 }
3092
3093 /**
3094  * Returns TRUE if there is a call running.
3095  *
3096  * @ingroup call_control
3097 **/
3098 bool_t linphone_core_in_call(const LinphoneCore *lc){
3099         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3100 }
3101
3102 /**
3103  * Returns The _LinphoneCall struct of the current call if one is in call
3104  *
3105  * @ingroup call_control
3106 **/
3107 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3108 {
3109         return lc->current_call;
3110 }
3111
3112 /**
3113  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3114  * this file will be played to the remote user.
3115  *
3116  * @ingroup call_control
3117 **/
3118 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3119 {
3120         const char *subject=NULL;
3121
3122         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3123                 ms_warning("Cannot pause this call, it is not active.");
3124                 return -1;
3125         }
3126         linphone_call_make_local_media_description(lc,call);
3127         if (call->ice_session != NULL)
3128                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3129         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3130                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3131                 subject="Call on hold";
3132         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3133                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3134                 subject="Call on hold for me too";
3135         }else{
3136                 ms_error("No reason to pause this call, it is already paused or inactive.");
3137                 return -1;
3138         }
3139         sal_call_set_local_media_description(call->op,call->localdesc);
3140         if (sal_call_update(call->op,subject) != 0){
3141                 if (lc->vtable.display_warning)
3142                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3143         }
3144         lc->current_call=NULL;
3145         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3146         if (lc->vtable.display_status)
3147                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3148         if (call->audiostream || call->videostream)
3149                 linphone_call_stop_media_streams (call);
3150         return 0;
3151 }
3152
3153 /**
3154  * Pause all currently running calls.
3155 **/
3156 int linphone_core_pause_all_calls(LinphoneCore *lc){
3157         const MSList *elem;
3158         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3159                 LinphoneCall *call=(LinphoneCall *)elem->data;
3160                 LinphoneCallState cs=linphone_call_get_state(call);
3161                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3162                         linphone_core_pause_call(lc,call);
3163                 }
3164         }
3165         return 0;
3166 }
3167
3168 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3169         LinphoneCall *current_call;
3170         if (linphone_core_is_in_conference(lc)){
3171                 linphone_core_leave_conference(lc);
3172                 return;
3173         }
3174         current_call=linphone_core_get_current_call(lc);
3175         if(current_call != NULL){
3176                 ms_message("Pausing automatically the current call.");
3177                 linphone_core_pause_call(lc,current_call);
3178         }
3179 }
3180
3181 /**
3182  * Resumes the call.
3183  *
3184  * @ingroup call_control
3185 **/
3186 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3187 {
3188         char temp[255]={0};
3189         LinphoneCall *call = the_call;
3190         const char *subject="Call resuming";
3191
3192         if(call->state!=LinphoneCallPaused ){
3193                 ms_warning("we cannot resume a call that has not been established and paused before");
3194                 return -1;
3195         }
3196         if (call->params.in_conference==FALSE){
3197                 linphone_core_preempt_sound_resources(lc);
3198                 ms_message("Resuming call %p",call);
3199         }
3200
3201         /* Stop playing music immediately. If remote side is a conference it
3202          prevents the participants to hear it while the 200OK comes back.*/
3203         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3204
3205         linphone_call_make_local_media_description(lc,the_call);
3206         if (call->ice_session != NULL)
3207                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3208         sal_call_set_local_media_description(call->op,call->localdesc);
3209         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3210         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3211         if(sal_call_update(call->op,subject) != 0){
3212                 return -1;
3213         }
3214         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3215         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3216         if (lc->vtable.display_status)
3217                 lc->vtable.display_status(lc,temp);
3218         return 0;
3219 }
3220
3221 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3222         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3223         return !linphone_address_weak_equal (addr,raddr);
3224 }
3225
3226 /**
3227  * Get the call with the remote_address specified
3228  * @param lc
3229  * @param remote_address
3230  * @return the LinphoneCall of the call if found
3231  */
3232 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3233         LinphoneAddress *raddr=linphone_address_new(remote_address);
3234         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3235         if (elem) return (LinphoneCall*) elem->data;
3236         return NULL;
3237 }
3238
3239 int linphone_core_send_publish(LinphoneCore *lc,
3240                                LinphoneOnlineStatus presence_mode)
3241 {
3242         const MSList *elem;
3243         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3244                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3245                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3246         }
3247         return 0;
3248 }
3249
3250 /**
3251  * Set the incoming call timeout in seconds.
3252  *
3253  * @ingroup call_control
3254  * If an incoming call isn't answered for this timeout period, it is
3255  * automatically declined.
3256 **/
3257 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3258         lc->sip_conf.inc_timeout=seconds;
3259         if (linphone_core_ready(lc)){
3260                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3261         }
3262 }
3263
3264 /**
3265  * Returns the incoming call timeout
3266  *
3267  * @ingroup call_control
3268  * See linphone_core_set_inc_timeout() for details.
3269 **/
3270 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3271         return lc->sip_conf.inc_timeout;
3272 }
3273
3274 /**
3275  * Set the in call timeout in seconds.
3276  *
3277  * @ingroup call_control
3278  * After this timeout period, the call is automatically hangup.
3279 **/
3280 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3281         lc->sip_conf.in_call_timeout=seconds;
3282 }
3283
3284 /**
3285  * Returns the in call timeout
3286  *
3287  * @ingroup call_control
3288  * See linphone_core_set_in_call_timeout() for details.
3289 **/
3290 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3291         return lc->sip_conf.in_call_timeout;
3292 }
3293
3294 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3295                                                                                                         const char *contact,
3296                                                                                                         LinphoneOnlineStatus presence_mode)
3297 {
3298         if (minutes_away>0) lc->minutes_away=minutes_away;
3299
3300         if (lc->alt_contact!=NULL) {
3301                 ms_free(lc->alt_contact);
3302                 lc->alt_contact=NULL;
3303         }
3304         if (contact) lc->alt_contact=ms_strdup(contact);
3305         if (lc->presence_mode!=presence_mode){
3306                 linphone_core_notify_all_friends(lc,presence_mode);
3307                 /*
3308                    Improve the use of all LINPHONE_STATUS available.
3309                    !TODO Do not mix "presence status" with "answer status code"..
3310                    Use correct parameter to follow sip_if_match/sip_etag.
3311                  */
3312                 linphone_core_send_publish(lc,presence_mode);
3313         }
3314         lc->presence_mode=presence_mode;
3315 }
3316
3317 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3318         return lc->presence_mode;
3319 }
3320
3321 /**
3322  * Get playback sound level in 0-100 scale.
3323  *
3324  * @ingroup media_parameters
3325 **/
3326 int linphone_core_get_play_level(LinphoneCore *lc)
3327 {
3328         return lc->sound_conf.play_lev;
3329 }
3330
3331 /**
3332  * Get ring sound level in 0-100 scale
3333  *
3334  * @ingroup media_parameters
3335 **/
3336 int linphone_core_get_ring_level(LinphoneCore *lc)
3337 {
3338         return lc->sound_conf.ring_lev;
3339 }
3340
3341 /**
3342  * Get sound capture level in 0-100 scale
3343  *
3344  * @ingroup media_parameters
3345 **/
3346 int linphone_core_get_rec_level(LinphoneCore *lc){
3347         return lc->sound_conf.rec_lev;
3348 }
3349
3350 /**
3351  * Set sound ring level in 0-100 scale
3352  *
3353  * @ingroup media_parameters
3354 **/
3355 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3356         MSSndCard *sndcard;
3357         lc->sound_conf.ring_lev=level;
3358         sndcard=lc->sound_conf.ring_sndcard;
3359         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3360 }
3361
3362 /**
3363  * Allow to control microphone level:  gain in db
3364  *
3365  * @ingroup media_parameters
3366 **/
3367 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3368         float gain=gaindb;
3369         LinphoneCall *call=linphone_core_get_current_call (lc);
3370         AudioStream *st;
3371
3372         lc->sound_conf.soft_mic_lev=gaindb;
3373
3374         if (linphone_core_ready(lc)){
3375                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3376         }
3377
3378         if (call==NULL || (st=call->audiostream)==NULL){
3379                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3380                 return;
3381         }
3382         if (st->volrecv){
3383                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3384         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3385 }
3386
3387 /**
3388  * Get microphone gain in db.
3389  *
3390  * @ingroup media_parameters
3391 **/
3392 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3393         return lc->sound_conf.soft_mic_lev;
3394 }
3395
3396 /**
3397  * Allow to control play level before entering sound card:  gain in db
3398  *
3399  * @ingroup media_parameters
3400 **/
3401 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3402         float gain=gaindb;
3403         LinphoneCall *call=linphone_core_get_current_call (lc);
3404         AudioStream *st;
3405
3406         lc->sound_conf.soft_play_lev=gaindb;
3407         if (linphone_core_ready(lc)){
3408                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3409         }
3410
3411         if (call==NULL || (st=call->audiostream)==NULL){
3412                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3413                 return;
3414         }
3415         if (st->volrecv){
3416                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3417         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3418 }
3419
3420 /**
3421  * Get playback gain in db before entering  sound card.
3422  *
3423  * @ingroup media_parameters
3424 **/
3425 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3426         return lc->sound_conf.soft_play_lev;
3427 }
3428
3429 /**
3430  * Set sound playback level in 0-100 scale
3431  *
3432  * @ingroup media_parameters
3433 **/
3434 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3435         MSSndCard *sndcard;
3436         lc->sound_conf.play_lev=level;
3437         sndcard=lc->sound_conf.play_sndcard;
3438         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3439 }
3440
3441 /**
3442  * Set sound capture level in 0-100 scale
3443  *
3444  * @ingroup media_parameters
3445 **/
3446 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3447 {
3448         MSSndCard *sndcard;
3449         lc->sound_conf.rec_lev=level;
3450         sndcard=lc->sound_conf.capt_sndcard;
3451         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3452 }
3453
3454 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3455         MSSndCard *sndcard=NULL;
3456         if (devid!=NULL){
3457                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3458                 if (sndcard!=NULL &&
3459                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3460                         ms_warning("%s card does not have the %s capability, ignoring.",
3461                                 devid,
3462                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3463                         sndcard=NULL;
3464                 }
3465         }
3466         if (sndcard==NULL) {
3467                 /* get a card that has read+write capabilities */
3468                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3469                 /* otherwise refine to the first card having the right capability*/
3470                 if (sndcard==NULL){
3471                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3472                         for(;elem!=NULL;elem=elem->next){
3473                                 sndcard=(MSSndCard*)elem->data;
3474                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3475                         }
3476                 }
3477                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3478                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3479                         if (elem) sndcard=(MSSndCard*)elem->data;
3480         }
3481         }
3482         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3483         return sndcard;
3484 }
3485
3486 /**
3487  * Returns true if the specified sound device can capture sound.
3488  *
3489  * @ingroup media_parameters
3490  * @param lc The LinphoneCore object
3491  * @param devid the device name as returned by linphone_core_get_sound_devices()
3492 **/
3493 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3494         MSSndCard *sndcard;
3495         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3496         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3497         return FALSE;
3498 }
3499
3500 /**
3501  * Returns true if the specified sound device can play sound.
3502  *
3503  * @ingroup media_parameters
3504  * @param lc The LinphoneCore object
3505  * @param devid the device name as returned by linphone_core_get_sound_devices()
3506 **/
3507 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3508         MSSndCard *sndcard;
3509         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3510         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3511         return FALSE;
3512 }
3513
3514 /**
3515  * Sets the sound device used for ringing.
3516  *
3517  * @ingroup media_parameters
3518  * @param lc The LinphoneCore object
3519  * @param devid the device name as returned by linphone_core_get_sound_devices()
3520 **/
3521 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3522         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3523         lc->sound_conf.ring_sndcard=card;
3524         if (card && linphone_core_ready(lc))
3525                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3526         return 0;
3527 }
3528
3529 /**
3530  * Sets the sound device used for playback.
3531  *
3532  * @ingroup media_parameters
3533  * @param lc The LinphoneCore object
3534  * @param devid the device name as returned by linphone_core_get_sound_devices()
3535 **/
3536 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3537         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3538         lc->sound_conf.play_sndcard=card;
3539         if (card &&  linphone_core_ready(lc))
3540                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3541         return 0;
3542 }
3543
3544 /**
3545  * Sets the sound device used for capture.
3546  *
3547  * @ingroup media_parameters
3548  * @param lc The LinphoneCore object
3549  * @param devid the device name as returned by linphone_core_get_sound_devices()
3550 **/
3551 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3552         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3553         lc->sound_conf.capt_sndcard=card;
3554         if (card &&  linphone_core_ready(lc))
3555                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3556         return 0;
3557 }
3558
3559 /**
3560  * Returns the name of the currently assigned sound device for ringing.
3561  *
3562  * @ingroup media_parameters
3563  * @param lc The LinphoneCore object
3564 **/
3565 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3566 {
3567         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3568         return NULL;
3569 }
3570
3571 /**
3572  * Returns the name of the currently assigned sound device for playback.
3573  *
3574  * @ingroup media_parameters
3575  * @param lc The LinphoneCore object
3576 **/
3577 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3578 {
3579         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3580 }
3581
3582 /**
3583  * Returns the name of the currently assigned sound device for capture.
3584  *
3585  * @ingroup media_parameters
3586  * @param lc The LinphoneCore object
3587 **/
3588 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3589 {
3590         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3591 }
3592
3593 /**
3594  * Returns an unmodifiable array of available sound devices.
3595  *
3596  * The array is NULL terminated.
3597  *
3598  * @ingroup media_parameters
3599  * @param lc The LinphoneCore object
3600 **/
3601 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3602         return lc->sound_conf.cards;
3603 }
3604
3605 /**
3606  * Returns an unmodifiable array of available video capture devices.
3607  *
3608  * @ingroup media_parameters
3609  * The array is NULL terminated.
3610 **/
3611 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3612         return lc->video_conf.cams;
3613 }
3614
3615 /**
3616  * Update detection of sound devices.
3617  *
3618  * Use this function when the application is notified of USB plug events, so that
3619  * list of available hardwares for sound playback and capture is updated.
3620  **/
3621 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3622         const char *ringer,*playback,*capture;
3623         ringer=linphone_core_get_ringer_device(lc);
3624         playback=linphone_core_get_playback_device(lc);
3625         capture=linphone_core_get_capture_device(lc);
3626         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3627         build_sound_devices_table(lc);
3628         linphone_core_set_ringer_device(lc,ringer);
3629         linphone_core_set_playback_device(lc,playback);
3630         linphone_core_set_capture_device(lc,capture);
3631 }
3632
3633 /**
3634  * Update detection of camera devices.
3635  *
3636  * Use this function when the application is notified of USB plug events, so that
3637  * list of available hardwares for video capture is updated.
3638  **/
3639 void linphone_core_reload_video_devices(LinphoneCore *lc){
3640         const char *devid;
3641         devid=linphone_core_get_video_device(lc);
3642         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3643         build_video_devices_table(lc);
3644         linphone_core_set_video_device(lc,devid);
3645 }
3646
3647 char linphone_core_get_sound_source(LinphoneCore *lc)
3648 {
3649         return lc->sound_conf.source;
3650 }
3651
3652 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3653 {
3654         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3655         lc->sound_conf.source=source;
3656         if (!sndcard) return;
3657         switch(source){
3658                 case 'm':
3659                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3660                         break;
3661                 case 'l':
3662                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3663                         break;
3664         }
3665
3666 }
3667
3668
3669 /**
3670  * Sets the path to a wav file used for ringing.
3671  *
3672  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3673  * @param lc The LinphoneCore object
3674  *
3675  * @ingroup media_parameters
3676 **/
3677 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3678         if (lc->sound_conf.local_ring!=0){
3679                 ms_free(lc->sound_conf.local_ring);
3680                 lc->sound_conf.local_ring=NULL;
3681         }
3682         if (path)
3683                 lc->sound_conf.local_ring=ms_strdup(path);
3684         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3685                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3686 }
3687
3688 /**
3689  * Returns the path to the wav file used for ringing.
3690  *
3691  * @param lc The LinphoneCore object
3692  * @ingroup media_parameters
3693 **/
3694 const char *linphone_core_get_ring(const LinphoneCore *lc){
3695         return lc->sound_conf.local_ring;
3696 }
3697
3698 /**
3699  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3700  *
3701  * @param path
3702  * @param lc The LinphoneCore object
3703  *
3704  * @ingroup media_parameters
3705 **/
3706 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3707         sal_set_root_ca(lc->sal, path);
3708 }
3709
3710 /**
3711  * Gets the path to a file or folder containing trusted root CAs (PEM format)
3712  *
3713  * @param lc The LinphoneCore object
3714  *
3715  * @ingroup media_parameters
3716 **/
3717 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3718         return sal_get_root_ca(lc->sal);
3719 }
3720
3721 /**
3722  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3723 **/
3724 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3725         sal_verify_server_certificates(lc->sal,yesno);
3726 }
3727
3728 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3729         LinphoneCore *lc=(LinphoneCore*)ud;
3730         lc->preview_finished=1;
3731 }
3732
3733 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3734 {
3735         if (lc->ringstream!=0){
3736                 ms_warning("Cannot start ring now,there's already a ring being played");
3737                 return -1;
3738         }
3739         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3740         lc->preview_finished=0;
3741         if (lc->sound_conf.ring_sndcard!=NULL){
3742                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3743                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3744         }
3745         return 0;
3746 }
3747
3748 /**
3749  * Sets the path to a wav file used for ringing back.
3750  *
3751  * Ringback means the ring that is heard when it's ringing at the remote party.
3752  * The file must be a wav 16bit linear.
3753  *
3754  * @ingroup media_parameters
3755 **/
3756 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3757         if (lc->sound_conf.remote_ring!=0){
3758                 ms_free(lc->sound_conf.remote_ring);
3759         }
3760         lc->sound_conf.remote_ring=ms_strdup(path);
3761 }
3762
3763 /**
3764  * Returns the path to the wav file used for ringing back.
3765  *
3766  * @ingroup media_parameters
3767 **/
3768 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3769         return lc->sound_conf.remote_ring;
3770 }
3771
3772 /**
3773  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3774  *
3775  * @ingroup media_parameters
3776 **/
3777 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3778         lc->sound_conf.ec=val;
3779         if ( linphone_core_ready(lc))
3780                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3781 }
3782
3783
3784 /**
3785  * Returns TRUE if echo cancellation is enabled.
3786  *
3787  * @ingroup media_parameters
3788 **/
3789 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3790         return lc->sound_conf.ec;
3791 }
3792
3793 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3794         lc->sound_conf.ea=val;
3795 }
3796
3797 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3798         return lc->sound_conf.ea;
3799 }
3800
3801 /**
3802  * Mutes or unmutes the local microphone.
3803  *
3804  * @ingroup media_parameters
3805 **/
3806 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3807         LinphoneCall *call=linphone_core_get_current_call(lc);
3808         AudioStream *st=NULL;
3809         if (linphone_core_is_in_conference(lc)){
3810                 lc->conf_ctx.local_muted=val;
3811                 st=lc->conf_ctx.local_participant;
3812         }else if (call==NULL){
3813                 ms_warning("linphone_core_mute_mic(): No current call !");
3814                 return;
3815         }else{
3816                 st=call->audiostream;
3817                 call->audio_muted=val;
3818         }
3819         if (st!=NULL){
3820                 audio_stream_set_mic_gain(st,
3821                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
3822                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3823                         audio_stream_mute_rtp(st,val);
3824                 }
3825
3826         }
3827 }
3828 /**
3829  * Returns whether microphone is muted.
3830 **/
3831 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3832         LinphoneCall *call=linphone_core_get_current_call(lc);
3833         if (linphone_core_is_in_conference(lc)){
3834                 return lc->conf_ctx.local_muted;
3835         }else if (call==NULL){
3836                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3837                 return FALSE;
3838         }
3839         return call->audio_muted;
3840 }
3841
3842 // returns rtp transmission status for an active stream
3843 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3844 // was set on then rtp transmission is also muted
3845 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3846         LinphoneCall *call=linphone_core_get_current_call(lc);
3847         if (call==NULL){
3848                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3849                 return FALSE;
3850         }
3851         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3852                 return call->audio_muted;
3853         }
3854         return FALSE;
3855 }
3856
3857 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3858         lc->sound_conf.agc=val;
3859 }
3860
3861 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3862         return lc->sound_conf.agc;
3863 }
3864
3865 /**
3866  * Send the specified dtmf.
3867  *
3868  * @ingroup media_parameters
3869  * This function only works during calls. The dtmf is automatically played to the user.
3870  * @param lc The LinphoneCore object
3871  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3872  *
3873 **/
3874 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3875 {
3876         LinphoneCall *call=linphone_core_get_current_call(lc);
3877         if (call==NULL){
3878                 ms_warning("linphone_core_send_dtmf(): no active call");
3879                 return;
3880         }
3881         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3882         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3883         {
3884                 /* In Band DTMF */
3885                 if (call->audiostream!=NULL){
3886                         audio_stream_send_dtmf(call->audiostream,dtmf);
3887                 }
3888                 else
3889                 {
3890                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3891                 }
3892         }
3893         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3894                 /* Out of Band DTMF (use INFO method) */
3895                 sal_call_send_dtmf(call->op,dtmf);
3896         }
3897 }
3898
3899 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3900         if (lc->net_conf.stun_server!=NULL)
3901                 ms_free(lc->net_conf.stun_server);
3902         if (server)
3903                 lc->net_conf.stun_server=ms_strdup(server);
3904         else lc->net_conf.stun_server=NULL;
3905         if (linphone_core_ready(lc))
3906                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3907 }
3908
3909 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3910         return lc->net_conf.stun_server;
3911 }
3912
3913 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3914         return lc->net_conf.relay;
3915 }
3916
3917 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3918         if (lc->net_conf.relay!=NULL){
3919                 ms_free(lc->net_conf.relay);
3920                 lc->net_conf.relay=NULL;
3921         }
3922         if (addr){
3923                 lc->net_conf.relay=ms_strdup(addr);
3924         }
3925         return 0;
3926 }
3927
3928 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3929 {
3930         if (lc->net_conf.nat_address!=NULL){
3931                 ms_free(lc->net_conf.nat_address);
3932         }
3933         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3934         else lc->net_conf.nat_address=NULL;
3935         if (lc->sip_conf.contact) update_primary_contact(lc);
3936 }
3937
3938 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3939         return lc->net_conf.nat_address;
3940 }
3941
3942 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3943 {
3944         struct sockaddr_storage ss;
3945         socklen_t ss_len;
3946         int error;
3947         char ipstring [INET6_ADDRSTRLEN];
3948
3949         if (lc->net_conf.nat_address==NULL) return NULL;
3950
3951         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3952                 return lc->net_conf.nat_address;
3953         }
3954
3955         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3956                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3957         if (error) {
3958                 return lc->net_conf.nat_address;
3959         }
3960
3961         if (lc->net_conf.nat_address_ip!=NULL){
3962                 ms_free(lc->net_conf.nat_address_ip);
3963         }
3964         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3965         return lc->net_conf.nat_address_ip;
3966 }
3967
3968 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3969         lc->net_conf.firewall_policy=pol;
3970         if (lc->sip_conf.contact) update_primary_contact(lc);
3971         if (linphone_core_ready(lc))
3972                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3973 }
3974
3975 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3976         return lc->net_conf.firewall_policy;
3977 }
3978
3979 /**
3980  * Get the list of call logs (past calls).
3981  *
3982  * @ingroup call_logs
3983 **/
3984 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3985         return lc->call_logs;
3986 }
3987
3988 /**
3989  * Erase the call log.
3990  *
3991  * @ingroup call_logs
3992 **/
3993 void linphone_core_clear_call_logs(LinphoneCore *lc){
3994         lc->missed_calls=0;
3995         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3996         lc->call_logs=ms_list_free(lc->call_logs);
3997         call_logs_write_to_config_file(lc);
3998 }
3999
4000 /**
4001  * Returns number of missed calls.
4002  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4003 **/
4004 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4005         return lc->missed_calls;
4006 }
4007
4008 /**
4009  * Resets the counter of missed calls.
4010 **/
4011 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4012         lc->missed_calls=0;
4013 }
4014
4015 /**
4016  * Remove a specific call log from call history list.
4017  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4018  * @param lc the linphone core object
4019  * @param a LinphoneCallLog object.
4020 **/
4021 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4022         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4023         call_logs_write_to_config_file(lc);
4024         linphone_call_log_destroy(cl);
4025 }
4026
4027 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4028 #ifdef VIDEO_ENABLED
4029         if (val){
4030                 if (lc->previewstream==NULL){
4031                         lc->previewstream=video_preview_new();
4032                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4033                         if (lc->video_conf.displaytype)
4034                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4035                         if (lc->preview_window_id!=0)
4036                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4037                         video_preview_start(lc->previewstream,lc->video_conf.device);
4038                 }
4039         }else{
4040                 if (lc->previewstream!=NULL){
4041                         video_preview_stop(lc->previewstream);
4042                         lc->previewstream=NULL;
4043                 }
4044         }
4045 #endif
4046 }
4047
4048 /**
4049  * Enables video globally.
4050  *
4051  * @ingroup media_parameters
4052  * This function does not have any effect during calls. It just indicates LinphoneCore to
4053  * initiate future calls with video or not. The two boolean parameters indicate in which
4054  * direction video is enabled. Setting both to false disables video entirely.
4055  *
4056  * @param lc The LinphoneCore object
4057  * @param vcap_enabled indicates whether video capture is enabled
4058  * @param display_enabled indicates whether video display should be shown
4059  *
4060 **/
4061 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4062 #ifndef VIDEO_ENABLED
4063         if (vcap_enabled || display_enabled)
4064                 ms_warning("This version of linphone was built without video support.");
4065 #endif
4066         lc->video_conf.capture=vcap_enabled;
4067         lc->video_conf.display=display_enabled;
4068         if (linphone_core_ready(lc)){
4069                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4070                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4071         }
4072         /* need to re-apply network bandwidth settings*/
4073         linphone_core_set_download_bandwidth(lc,
4074                 linphone_core_get_download_bandwidth(lc));
4075         linphone_core_set_upload_bandwidth(lc,
4076                 linphone_core_get_upload_bandwidth(lc));
4077 }
4078
4079 bool_t linphone_core_video_supported(LinphoneCore *lc){
4080 #ifdef VIDEO_ENABLED
4081         return TRUE;
4082 #else
4083         return FALSE;
4084 #endif
4085 }
4086
4087 /**
4088  * Returns TRUE if video is enabled, FALSE otherwise.
4089  * @ingroup media_parameters
4090 **/
4091 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4092         return (lc->video_conf.display || lc->video_conf.capture);
4093 }
4094
4095 /**
4096  * Sets the default policy for video.
4097  * This policy defines whether:
4098  * - video shall be initiated by default for outgoing calls
4099  * - video shall be accepter by default for incoming calls
4100  * @ingroup media_parameters
4101 **/
4102 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4103         lc->video_policy=*policy;
4104         if (linphone_core_ready(lc)){
4105                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4106                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4107         }
4108 }
4109
4110 /**
4111  * Get the default policy for video.
4112  * See linphone_core_set_video_policy() for more details.
4113  * @ingroup media_parameters
4114 **/
4115 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4116         return &lc->video_policy;
4117 }
4118
4119 /**
4120  * Controls video preview enablement.
4121  *
4122  * @ingroup media_parameters
4123  * Video preview refers to the action of displaying the local webcam image
4124  * to the user while not in call.
4125 **/
4126 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4127         lc->video_conf.show_local=val;
4128         if (linphone_core_ready(lc))
4129                 lp_config_set_int(lc->config,"video","show_local",val);
4130 }
4131
4132 /**
4133  * Returns TRUE if video previewing is enabled.
4134  * @ingroup media_parameters
4135 **/
4136 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4137         return lc->video_conf.show_local;
4138 }
4139
4140 /**
4141  * Enables or disable self view during calls.
4142  *
4143  * @ingroup media_parameters
4144  * Self-view refers to having local webcam image inserted in corner
4145  * of the video window during calls.
4146  * This function works at any time, including during calls.
4147 **/
4148 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4149 #ifdef VIDEO_ENABLED
4150         LinphoneCall *call=linphone_core_get_current_call (lc);
4151         lc->video_conf.selfview=val;
4152         if (call && call->videostream){
4153                 video_stream_enable_self_view(call->videostream,val);
4154         }
4155         if (linphone_core_ready(lc)){
4156                 lp_config_set_int(lc->config,"video","self_view",val);
4157         }
4158 #endif
4159 }
4160
4161 /**
4162  * Returns TRUE if self-view is enabled, FALSE otherwise.
4163  *
4164  * @ingroup media_parameters
4165  *
4166  * Refer to linphone_core_enable_self_view() for details.
4167 **/
4168 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4169         return lc->video_conf.selfview;
4170 }
4171
4172 /**
4173  * Sets the active video device.
4174  *
4175  * @ingroup media_parameters
4176  * @param lc The LinphoneCore object
4177  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4178 **/
4179 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4180         MSWebCam *olddev=lc->video_conf.device;
4181         const char *vd;
4182         if (id!=NULL){
4183                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4184                 if (lc->video_conf.device==NULL){
4185                         ms_warning("Could not find video device %s",id);
4186                 }
4187         }
4188         if (lc->video_conf.device==NULL)
4189                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4190         if (olddev!=NULL && olddev!=lc->video_conf.device){
4191                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4192         }
4193         if ( linphone_core_ready(lc) && lc->video_conf.device){
4194                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4195                 if (vd && strstr(vd,"Static picture")!=NULL){
4196                         vd=NULL;
4197                 }
4198                 lp_config_set_string(lc->config,"video","device",vd);
4199         }
4200         return 0;
4201 }
4202
4203 /**
4204  * Returns the name of the currently active video device.
4205  *
4206  * @param lc The LinphoneCore object
4207  * @ingroup media_parameters
4208 **/
4209 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4210         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4211         return NULL;
4212 }
4213
4214 #ifdef VIDEO_ENABLED
4215 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4216         VideoStream *vs = NULL;
4217         LinphoneCall *call=linphone_core_get_current_call (lc);
4218         /* Select the video stream from the call in the first place */
4219         if (call && call->videostream) {
4220                 vs = call->videostream;
4221         }
4222         /* If not in call, select the video stream from the preview */
4223         if (vs == NULL && lc->previewstream) {
4224                 vs = lc->previewstream;
4225         }
4226         return vs;
4227 }
4228 #endif
4229
4230 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4231 #ifdef VIDEO_ENABLED
4232         VideoStream *vs=get_active_video_stream(lc);
4233         /* If we have a video stream (either preview, either from call), we
4234                  have a source and it is using the static picture filter, then
4235                  force the filter to use that picture. */
4236         if (vs && vs->source) {
4237                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4238                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4239                                                                                                                 (void *)path);
4240                 }
4241         }
4242         /* Tell the static image filter to use that image from now on so
4243                  that the image will be used next time it has to be read */
4244         ms_static_image_set_default_image(path);
4245 #else
4246         ms_warning("Video support not compiled.");
4247 #endif
4248         return 0;
4249 }
4250
4251 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4252         const char *path=NULL;
4253 #ifdef VIDEO_ENABLED
4254         path=ms_static_image_get_default_image();
4255 #else
4256         ms_warning("Video support not compiled.");
4257 #endif
4258         return path;
4259 }
4260
4261 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4262 #ifdef VIDEO_ENABLED
4263         VideoStream *vs = NULL;
4264
4265         vs=get_active_video_stream(lc);
4266
4267         /* If we have a video stream (either preview, either from call), we
4268                  have a source and it is using the static picture filter, then
4269                  force the filter to use that picture. */
4270         if (vs && vs->source) {
4271                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4272                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4273                 }
4274         }
4275 #else
4276         ms_warning("Video support not compiled.");
4277 #endif
4278         return 0;
4279 }
4280
4281 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4282 #ifdef VIDEO_ENABLED
4283         VideoStream *vs = NULL;
4284         vs=get_active_video_stream(lc);
4285         /* If we have a video stream (either preview, either from call), we
4286                  have a source and it is using the static picture filter, then
4287                  force the filter to use that picture. */
4288         if (vs && vs->source) {
4289                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4290
4291                         float fps;
4292
4293                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4294                         return fps;
4295                 }
4296         }
4297 #else
4298         ms_warning("Video support not compiled.");
4299 #endif
4300         return 0;
4301 }
4302
4303 /**
4304  * Returns the native window handle of the video window, casted as an unsigned long.
4305  *
4306  * @ingroup media_parameters
4307 **/
4308 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4309 #ifdef VIDEO_ENABLED
4310         LinphoneCall *call=linphone_core_get_current_call (lc);
4311         if (call && call->videostream)
4312                 return video_stream_get_native_window_id(call->videostream);
4313         if (lc->previewstream)
4314                 return video_stream_get_native_window_id(lc->previewstream);
4315 #endif
4316         return lc->video_window_id;
4317 }
4318
4319 /**@ingroup media_parameters
4320  * Set the native video window id where the video is to be displayed.
4321  * If not set the core will create its own window.
4322 **/
4323 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4324 #ifdef VIDEO_ENABLED
4325         LinphoneCall *call=linphone_core_get_current_call(lc);
4326         lc->video_window_id=id;
4327         if (call!=NULL && call->videostream){
4328                 video_stream_set_native_window_id(call->videostream,id);
4329         }
4330 #endif
4331 }
4332
4333 /**
4334  * Returns the native window handle of the video preview window, casted as an unsigned long.
4335  *
4336  * @ingroup media_parameters
4337 **/
4338 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4339 #ifdef VIDEO_ENABLED
4340         LinphoneCall *call=linphone_core_get_current_call (lc);
4341         if (call && call->videostream)
4342                 return video_stream_get_native_preview_window_id(call->videostream);
4343         if (lc->previewstream)
4344                 return video_preview_get_native_window_id(lc->previewstream);
4345 #endif
4346         return lc->preview_window_id;
4347 }
4348
4349 /**
4350  * @ingroup media_parameters
4351  * Set the native window id where the preview video (local camera) is to be displayed.
4352  * This has to be used in conjonction with linphone_core_use_preview_window().
4353  * If not set the core will create its own window.
4354 **/
4355 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4356         lc->preview_window_id=id;
4357 #ifdef VIDEO_ENABLED
4358         LinphoneCall *call=linphone_core_get_current_call(lc);
4359         if (call!=NULL && call->videostream){
4360                 video_stream_set_native_preview_window_id(call->videostream,id);
4361         }else if (lc->previewstream){
4362                 video_preview_set_native_window_id(lc->previewstream,id);
4363         }
4364 #endif
4365 }
4366
4367 /**
4368  * Can be used to disable video showing to free XV port
4369 **/
4370 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4371 #ifdef VIDEO_ENABLED
4372         ms_error("linphone_core_show_video %d", show);
4373         LinphoneCall *call=linphone_core_get_current_call(lc);
4374         if (call!=NULL && call->videostream){
4375                 video_stream_show_video(call->videostream,show);
4376         }
4377 #endif
4378 }
4379
4380 /**
4381  * Tells the core to use a separate window for local camera preview video, instead of
4382  * inserting local view within the remote video window.
4383  *
4384 **/
4385 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4386         lc->use_preview_window=yesno;
4387 }
4388 /**
4389  * @ingroup media_parameters
4390  *returns current device orientation
4391  */
4392 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4393         return lc->device_rotation;
4394 }
4395 /**
4396  * @ingroup media_parameters
4397  * Tells the core the device current orientation. This can be used by capture filters
4398  * on mobile devices to select between portrait/landscape mode and to produce properly
4399  * oriented images. The exact meaning of the value in rotation if left to each device
4400  * specific implementations.
4401  *@param lc  object.
4402  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4403  *
4404 **/
4405 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4406 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4407         lc->device_rotation = rotation;
4408 #ifdef VIDEO_ENABLED
4409         LinphoneCall *call=linphone_core_get_current_call(lc);
4410         if (call!=NULL && call->videostream){
4411                 video_stream_set_device_rotation(call->videostream,rotation);
4412         }
4413 #endif
4414 }
4415
4416 static MSVideoSizeDef supported_resolutions[]={
4417 #ifdef ENABLE_HD
4418         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4419         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4420 #endif
4421         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4422         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4423         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4424         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4425         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4426         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4427         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4428         {       {0,0}                   ,       NULL    }
4429 };
4430
4431 /**
4432  * Returns the zero terminated table of supported video resolutions.
4433  *
4434  * @ingroup media_parameters
4435 **/
4436 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4437         return supported_resolutions;
4438 }
4439
4440 static MSVideoSize video_size_get_by_name(const char *name){
4441         MSVideoSizeDef *pdef=supported_resolutions;
4442         MSVideoSize null_vsize={0,0};
4443         for(;pdef->name!=NULL;pdef++){
4444                 if (strcasecmp(name,pdef->name)==0){
4445                         return pdef->vsize;
4446                 }
4447         }
4448         ms_warning("Video resolution %s is not supported in linphone.",name);
4449         return null_vsize;
4450 }
4451
4452 static const char *video_size_get_name(MSVideoSize vsize){
4453         MSVideoSizeDef *pdef=supported_resolutions;
4454         for(;pdef->name!=NULL;pdef++){
4455                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4456                         return pdef->name;
4457                 }
4458         }
4459         return NULL;
4460 }
4461
4462 static bool_t video_size_supported(MSVideoSize vsize){
4463         if (video_size_get_name(vsize)) return TRUE;
4464         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4465         return FALSE;
4466 }
4467
4468 /**
4469  * Sets the preferred video size.
4470  *
4471  * @ingroup media_parameters
4472  * This applies only to the stream that is captured and sent to the remote party,
4473  * since we accept all standard video size on the receive path.
4474 **/
4475 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4476         if (video_size_supported(vsize)){
4477                 MSVideoSize oldvsize=lc->video_conf.vsize;
4478                 lc->video_conf.vsize=vsize;
4479                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4480                         toggle_video_preview(lc,FALSE);
4481                         toggle_video_preview(lc,TRUE);
4482                 }
4483                 if ( linphone_core_ready(lc))
4484                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4485         }
4486 }
4487
4488 /**
4489  * Sets the preferred video size by its name.
4490  *
4491  * @ingroup media_parameters
4492  * This is identical to linphone_core_set_preferred_video_size() except
4493  * that it takes the name of the video resolution as input.
4494  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4495 **/
4496 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4497         MSVideoSize vsize=video_size_get_by_name(name);
4498         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4499         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4500         else linphone_core_set_preferred_video_size(lc,default_vsize);
4501 }
4502
4503 /**
4504  * Returns the current preferred video size for sending.
4505  *
4506  * @ingroup media_parameters
4507 **/
4508 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4509         return lc->video_conf.vsize;
4510 }
4511
4512 /**
4513  * Ask the core to stream audio from and to files, instead of using the soundcard.
4514 **/
4515 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4516         lc->use_files=yesno;
4517 }
4518
4519 /**
4520  * Sets a wav file to be played when putting somebody on hold,
4521  * or when files are used instead of soundcards (see linphone_core_use_files()).
4522  *
4523  * The file must be a 16 bit linear wav file.
4524 **/
4525 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4526         LinphoneCall *call=linphone_core_get_current_call(lc);
4527         if (lc->play_file!=NULL){
4528                 ms_free(lc->play_file);
4529                 lc->play_file=NULL;
4530         }
4531         if (file!=NULL) {
4532                 lc->play_file=ms_strdup(file);
4533                 if (call && call->audiostream && call->audiostream->ticker)
4534                         audio_stream_play(call->audiostream,file);
4535         }
4536 }
4537
4538
4539 /**
4540  * Sets a wav file where incoming stream is to be recorded,
4541  * when files are used instead of soundcards (see linphone_core_use_files()).
4542  *
4543  * The file must be a 16 bit linear wav file.
4544 **/
4545 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4546         LinphoneCall *call=linphone_core_get_current_call(lc);
4547         if (lc->rec_file!=NULL){
4548                 ms_free(lc->rec_file);
4549                 lc->rec_file=NULL;
4550         }
4551         if (file!=NULL) {
4552                 lc->rec_file=ms_strdup(file);
4553                 if (call && call->audiostream)
4554                         audio_stream_record(call->audiostream,file);
4555         }
4556 }
4557
4558
4559 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4560         LinphoneCall *call=linphone_core_get_current_call (lc);
4561         AudioStream *stream=NULL;
4562         if (call){
4563                 stream=call->audiostream;
4564         }else if (linphone_core_is_in_conference(lc)){
4565                 stream=lc->conf_ctx.local_participant;
4566         }
4567         if (stream){
4568                 return stream->dtmfgen;
4569         }
4570         if (lc->ringstream==NULL){
4571                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4572                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4573                 if (ringcard == NULL)
4574                         return NULL;
4575
4576                 lc->ringstream=ring_start(NULL,0,ringcard);
4577                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4578                 lc->dmfs_playing_start_time=time(NULL);
4579         }else{
4580                 if (lc->dmfs_playing_start_time!=0)
4581                         lc->dmfs_playing_start_time=time(NULL);
4582         }
4583         return lc->ringstream->gendtmf;
4584 }
4585
4586 /**
4587  * @ingroup media_parameters
4588  * Plays a dtmf sound to the local user.
4589  * @param lc #LinphoneCore
4590  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4591  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4592 **/
4593 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4594         MSFilter *f=get_dtmf_gen(lc);
4595         if (f==NULL){
4596                 ms_error("No dtmf generator at this time !");
4597                 return;
4598         }
4599
4600         if (duration_ms>0)
4601                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4602         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4603 }
4604
4605 /**
4606  * @ingroup media_parameters
4607  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4608  * @param lc #LinphoneCore
4609 **/
4610 void linphone_core_play_tone(LinphoneCore *lc){
4611         MSFilter *f=get_dtmf_gen(lc);
4612         MSDtmfGenCustomTone def;
4613         if (f==NULL){
4614                 ms_error("No dtmf generator at this time !");
4615                 return;
4616         }
4617         def.duration=300;
4618         def.frequency=500;
4619         def.amplitude=1;
4620         def.interval=2000;
4621         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4622 }
4623
4624 /**
4625  * @ingroup media_parameters
4626  *
4627  * Stops playing a dtmf started by linphone_core_play_dtmf().
4628 **/
4629 void linphone_core_stop_dtmf(LinphoneCore *lc){
4630         MSFilter *f=get_dtmf_gen(lc);
4631         if (f!=NULL)
4632                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4633 }
4634
4635
4636
4637 /**
4638  * Retrieves the user pointer that was given to linphone_core_new()
4639  *
4640  * @ingroup initializing
4641 **/
4642 void *linphone_core_get_user_data(LinphoneCore *lc){
4643         return lc->data;
4644 }
4645
4646 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4647         lc->data=userdata;
4648 }
4649
4650 int linphone_core_get_mtu(const LinphoneCore *lc){
4651         return lc->net_conf.mtu;
4652 }
4653
4654 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4655         lc->net_conf.mtu=mtu;
4656         if (mtu>0){
4657                 if (mtu<500){
4658                         ms_error("MTU too small !");
4659                         mtu=500;
4660                 }
4661                 ms_set_mtu(mtu);
4662                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4663         }else ms_set_mtu(0);//use mediastreamer2 default value
4664 }
4665
4666 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4667         lc->wait_cb=cb;
4668         lc->wait_ctx=user_context;
4669 }
4670
4671 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4672         if (lc->wait_cb){
4673                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4674         }
4675 }
4676
4677 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4678         if (lc->wait_cb){
4679                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4680         }else{
4681 #ifdef WIN32
4682                 Sleep(50000);
4683 #else
4684                 usleep(50000);
4685 #endif
4686         }
4687 }
4688
4689 void linphone_core_stop_waiting(LinphoneCore *lc){
4690         if (lc->wait_cb){
4691                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4692         }
4693 }
4694
4695 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4696         lc->rtptf=factories;
4697 }
4698
4699 /**
4700  * Retrieve RTP statistics regarding current call.
4701  * @param local RTP statistics computed locally.
4702  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4703  *
4704  * @note Remote RTP statistics is not implemented yet.
4705  *
4706  * @returns 0 or -1 if no call is running.
4707 **/
4708
4709 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4710         LinphoneCall *call=linphone_core_get_current_call (lc);
4711         if (call!=NULL){
4712                 if (call->audiostream!=NULL){
4713                         memset(remote,0,sizeof(*remote));
4714                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4715                         return 0;
4716                 }
4717         }
4718         return -1;
4719 }
4720
4721 void net_config_uninit(LinphoneCore *lc)
4722 {
4723         net_config_t *config=&lc->net_conf;
4724
4725         if (config->stun_server!=NULL){
4726                 ms_free(lc->net_conf.stun_server);
4727         }
4728         if (config->nat_address!=NULL){
4729                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4730                 ms_free(lc->net_conf.nat_address);
4731         }
4732         if (lc->net_conf.nat_address_ip !=NULL){
4733                 ms_free(lc->net_conf.nat_address_ip);
4734         }
4735         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4736 }
4737
4738
4739 void sip_config_uninit(LinphoneCore *lc)
4740 {
4741         MSList *elem;
4742         int i;
4743         sip_config_t *config=&lc->sip_conf;
4744
4745         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4746         lp_config_set_string(lc->config,"sip","contact",config->contact);
4747         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4748         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4749         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4750         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4751         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4752         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4753
4754
4755
4756
4757         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4758                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4759                 linphone_proxy_config_edit(cfg);        /* to unregister */
4760         }
4761
4762         for (i=0;i<20;i++){
4763                 sal_iterate(lc->sal);
4764 #ifndef WIN32
4765                 usleep(100000);
4766 #else
4767                 Sleep(100);
4768 #endif
4769         }
4770
4771         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4772         ms_list_free(config->proxies);
4773         config->proxies=NULL;
4774
4775         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4776
4777         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4778         ms_list_free(lc->auth_info);
4779         lc->auth_info=NULL;
4780
4781         sal_uninit(lc->sal);
4782         lc->sal=NULL;
4783
4784         if (lc->sip_conf.guessed_contact)
4785                 ms_free(lc->sip_conf.guessed_contact);
4786         if (config->contact)
4787                 ms_free(config->contact);
4788
4789 }
4790
4791 void rtp_config_uninit(LinphoneCore *lc)
4792 {
4793         rtp_config_t *config=&lc->rtp_conf;
4794         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4795                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4796         } else {
4797                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4798         }
4799         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4800                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4801         } else {
4802                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4803         }
4804         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4805         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4806         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4807         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4808         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4809 }
4810
4811 static void sound_config_uninit(LinphoneCore *lc)
4812 {
4813         sound_config_t *config=&lc->sound_conf;
4814         ms_free(config->cards);
4815
4816         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4817         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
4818         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
4819
4820         if (config->local_ring) ms_free(config->local_ring);
4821         if (config->remote_ring) ms_free(config->remote_ring);
4822         ms_snd_card_manager_destroy();
4823 }
4824
4825 static void video_config_uninit(LinphoneCore *lc)
4826 {
4827         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4828         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4829         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4830         if (lc->video_conf.cams)
4831                 ms_free(lc->video_conf.cams);
4832 }
4833
4834 void _linphone_core_codec_config_write(LinphoneCore *lc){
4835         if (linphone_core_ready(lc)){
4836                 PayloadType *pt;
4837                 codecs_config_t *config=&lc->codecs_conf;
4838                 MSList *node;
4839                 char key[50];
4840                 int index;
4841                 index=0;
4842                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4843                         pt=(PayloadType*)(node->data);
4844                         sprintf(key,"audio_codec_%i",index);
4845                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4846                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4847                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4848                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4849                         index++;
4850                 }
4851                 sprintf(key,"audio_codec_%i",index);
4852                 lp_config_clean_section (lc->config,key);
4853
4854                 index=0;
4855                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4856                         pt=(PayloadType*)(node->data);
4857                         sprintf(key,"video_codec_%i",index);
4858                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4859                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4860                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4861                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4862                         index++;
4863                 }
4864                 sprintf(key,"video_codec_%i",index);
4865                 lp_config_clean_section (lc->config,key);
4866         }
4867 }
4868
4869 static void codecs_config_uninit(LinphoneCore *lc)
4870 {
4871         _linphone_core_codec_config_write(lc);
4872         ms_list_free(lc->codecs_conf.audio_codecs);
4873         ms_list_free(lc->codecs_conf.video_codecs);
4874 }
4875
4876 void ui_config_uninit(LinphoneCore* lc)
4877 {
4878         if (lc->friends){
4879                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4880                 ms_list_free(lc->friends);
4881                 lc->friends=NULL;
4882         }
4883 }
4884
4885 /**
4886  * Returns the LpConfig object used to manage the storage (config) file.
4887  *
4888  * @ingroup misc
4889  * The application can use the LpConfig object to insert its own private
4890  * sections and pairs of key=value in the configuration file.
4891  *
4892 **/
4893 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4894         return lc->config;
4895 }
4896
4897 static void linphone_core_uninit(LinphoneCore *lc)
4898 {
4899         linphone_core_free_hooks(lc);
4900         while(lc->calls)
4901         {
4902                 LinphoneCall *the_call = lc->calls->data;
4903                 linphone_core_terminate_call(lc,the_call);
4904                 linphone_core_iterate(lc);
4905 #ifdef WIN32
4906                 Sleep(50000);
4907 #else
4908                 usleep(50000);
4909 #endif
4910         }
4911         if (lc->friends)
4912                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4913         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4914 #ifdef VIDEO_ENABLED
4915         if (lc->previewstream!=NULL){
4916                 video_preview_stop(lc->previewstream);
4917                 lc->previewstream=NULL;
4918         }
4919 #endif
4920         ms_event_queue_destroy(lc->msevq);
4921         lc->msevq=NULL;
4922         /* save all config */
4923         net_config_uninit(lc);
4924         rtp_config_uninit(lc);
4925         if (lc->ringstream) ring_stop(lc->ringstream);
4926         sound_config_uninit(lc);
4927         video_config_uninit(lc);
4928         codecs_config_uninit(lc);
4929         ui_config_uninit(lc);
4930         sip_config_uninit(lc);
4931         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4932         lp_config_destroy(lc->config);
4933         lc->config = NULL; /* Mark the config as NULL to block further calls */
4934         sip_setup_unregister_all();
4935
4936         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4937         lc->call_logs=ms_list_free(lc->call_logs);
4938
4939         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
4940         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
4941
4942         linphone_core_free_payload_types(lc);
4943         ortp_exit();
4944         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4945 #ifdef TUNNEL_ENABLED
4946         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4947 #endif
4948 #ifdef BUILD_UPNP
4949         upnp_context_uninit(lc);
4950 #endif
4951 }
4952
4953 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4954         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4955         // second get the list of available proxies
4956         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4957         for(;elem!=NULL;elem=elem->next){
4958                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4959                 if (linphone_proxy_config_register_enabled(cfg) ) {
4960                         if (!isReachable) {
4961                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4962                         }else{
4963                                 cfg->commit=TRUE;
4964                         }
4965                 }
4966         }
4967         lc->netup_time=curtime;
4968         lc->network_reachable=isReachable;
4969         if(!isReachable) {
4970                 sal_reset_transports(lc->sal);
4971         }
4972 }
4973
4974 void linphone_core_refresh_registers(LinphoneCore* lc) {
4975         const MSList *elem;
4976         if (!lc->network_reachable) {
4977                 ms_warning("Refresh register operation not available (network unreachable)");
4978                 return;
4979         }
4980         elem=linphone_core_get_proxy_config_list(lc);
4981         for(;elem!=NULL;elem=elem->next){
4982                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4983                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4984                         linphone_proxy_config_refresh_register(cfg);
4985                 }
4986         }
4987 }
4988
4989 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4990         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4991         for(;elem!=NULL;elem=elem->next){
4992                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4993                 if (linphone_proxy_config_register_enabled(cfg)) {
4994                         linphone_proxy_config_edit(cfg);
4995                         linphone_proxy_config_done(cfg);
4996                 }
4997         }
4998 }
4999
5000 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5001         //first disable automatic mode
5002         if (lc->auto_net_state_mon) {
5003                 ms_message("Disabling automatic network state monitoring");
5004                 lc->auto_net_state_mon=FALSE;
5005         }
5006         set_network_reachable(lc,isReachable, ms_time(NULL));
5007 }
5008
5009 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5010         return lc->network_reachable;
5011 }
5012 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5013         return sal_get_socket(lc->sal);
5014 }
5015 /**
5016  * Destroys a LinphoneCore
5017  *
5018  * @ingroup initializing
5019 **/
5020 void linphone_core_destroy(LinphoneCore *lc){
5021         linphone_core_uninit(lc);
5022         ms_free(lc);
5023 }
5024 /**
5025  * Get the number of Call
5026  *
5027  * @ingroup call_control
5028 **/
5029 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5030         return  ms_list_size(lc->calls);;
5031 }
5032
5033 /**
5034  * Check if we do not have exceed the number of simultaneous call
5035  *
5036  * @ingroup call_control
5037 **/
5038 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5039 {
5040         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5041                 return TRUE;
5042         ms_message("Maximum amount of simultaneous calls reached !");
5043         return FALSE;
5044 }
5045
5046
5047 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5048 {
5049         if(linphone_core_can_we_add_call(lc))
5050         {
5051                 lc->calls = ms_list_append(lc->calls,call);
5052                 return 0;
5053         }
5054         return -1;
5055 }
5056
5057 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5058 {
5059         MSList *it;
5060         MSList *the_calls = lc->calls;
5061
5062         it=ms_list_find(the_calls,call);
5063         if (it)
5064         {
5065                 the_calls = ms_list_remove_link(the_calls,it);
5066         }
5067         else
5068         {
5069                 ms_warning("could not find the call into the list\n");
5070                 return -1;
5071         }
5072         lc->calls = the_calls;
5073         return 0;
5074 }
5075
5076 /**
5077  * Specifiies a ring back tone to be played to far end during incoming calls.
5078 **/
5079 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5080         if (lc->sound_conf.ringback_tone){
5081                 ms_free(lc->sound_conf.ringback_tone);
5082                 lc->sound_conf.ringback_tone=NULL;
5083         }
5084         if (file)
5085                 lc->sound_conf.ringback_tone=ms_strdup(file);
5086 }
5087
5088 /**
5089  * Returns the ring back tone played to far end during incoming calls.
5090 **/
5091 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5092         return lc->sound_conf.ringback_tone;
5093 }
5094
5095 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5096         const MSList *elem;
5097         for(elem=from;elem!=NULL;elem=elem->next){
5098                 PayloadType *pt=(PayloadType*)elem->data;
5099                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5100                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5101                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5102                         return pt;
5103                 }
5104         }
5105         return NULL;
5106 }
5107
5108
5109 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5110         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5111         if (result)  {
5112                 return result;
5113         } else {
5114                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5115                 if (result) {
5116                         return result;
5117                 }
5118         }
5119         /*not found*/
5120         return NULL;
5121 }
5122
5123 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5124         switch(gs){
5125                 case LinphoneGlobalOff:
5126                         return "LinphoneGlobalOff";
5127                 break;
5128                 case LinphoneGlobalOn:
5129                         return "LinphoneGlobalOn";
5130                 break;
5131                 case LinphoneGlobalStartup:
5132                         return "LinphoneGlobalStartup";
5133                 break;
5134                 case LinphoneGlobalShutdown:
5135                         return "LinphoneGlobalShutdown";
5136                 break;
5137         }
5138         return NULL;
5139 }
5140
5141 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5142         return lc->state;
5143 }
5144
5145 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5146         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5147         linphone_core_init_default_params(lc, p);
5148         return p;
5149 }
5150
5151 const char *linphone_reason_to_string(LinphoneReason err){
5152         switch(err){
5153                 case LinphoneReasonNone:
5154                         return "No error";
5155                 case LinphoneReasonNoResponse:
5156                         return "No response";
5157                 case LinphoneReasonBadCredentials:
5158                         return "Bad credentials";
5159                 case LinphoneReasonDeclined:
5160                         return "Call declined";
5161                 case LinphoneReasonNotFound:
5162                         return "User not found";
5163                 case LinphoneReasonNotAnswered:
5164                         return "Not answered";
5165                 case LinphoneReasonBusy:
5166                         return "Busy";
5167         }
5168         return "unknown error";
5169 }
5170
5171 const char *linphone_error_to_string(LinphoneReason err){
5172         return linphone_reason_to_string(err);
5173 }
5174 /**
5175  * Enables signaling keep alive
5176  */
5177 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5178         if (enable > 0) {
5179                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5180         } else {
5181                 sal_set_keepalive_period(lc->sal,0);
5182         }
5183 }
5184 /**
5185  * Is signaling keep alive enabled
5186  */
5187 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5188         return sal_get_keepalive_period(lc->sal) > 0;
5189 }
5190
5191 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5192         get_dtmf_gen(lc); /*make sure ring stream is started*/
5193         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5194 }
5195
5196 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5197         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5198                 ring_stop(lc->ringstream);
5199                 lc->ringstream=NULL;
5200         }
5201 }
5202
5203 int linphone_core_get_max_calls(LinphoneCore *lc) {
5204         return lc->max_calls;
5205 }
5206 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5207         lc->max_calls=max;
5208 }
5209
5210 typedef struct Hook{
5211         LinphoneCoreIterateHook fun;
5212         void *data;
5213 }Hook;
5214
5215 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5216         Hook *h=ms_new(Hook,1);
5217         h->fun=hook;
5218         h->data=hook_data;
5219         return h;
5220 }
5221
5222 static void hook_invoke(Hook *h){
5223         h->fun(h->data);
5224 }
5225
5226 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5227         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5228 }
5229
5230 static void linphone_core_run_hooks(LinphoneCore *lc){
5231         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5232 }
5233
5234 static void linphone_core_free_hooks(LinphoneCore *lc){
5235         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5236         ms_list_free(lc->hooks);
5237         lc->hooks=NULL;
5238 }
5239
5240 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5241         MSList *elem;
5242         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5243                 Hook *h=(Hook*)elem->data;
5244                 if (h->fun==hook && h->data==hook_data){
5245                         ms_list_remove_link(lc->hooks,elem);
5246                         ms_free(h);
5247                         return;
5248                 }
5249         }
5250         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5251 }
5252
5253 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5254         if (lc->zrtp_secrets_cache != NULL) {
5255                 ms_free(lc->zrtp_secrets_cache);
5256         }
5257         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5258 }
5259
5260 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5261         return lc->zrtp_secrets_cache;
5262 }
5263
5264 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5265         if (uri == NULL) return NULL;
5266         MSList *calls=lc->calls;
5267         while(calls) {
5268                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5269                 calls=calls->next;
5270                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5271                 char *current_uri=linphone_address_as_string_uri_only(address);
5272                 if (strcmp(uri,current_uri)==0) {
5273                         ms_free(current_uri);
5274                         return c;
5275                 } else {
5276                         ms_free(current_uri);
5277                 }
5278         }
5279         return NULL;
5280 }
5281
5282
5283 /**
5284  * Check if a call will need the sound resources.
5285  *
5286  * @ingroup call_control
5287  * @param lc The LinphoneCore
5288 **/
5289 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5290         MSList *calls=lc->calls;
5291         while(calls) {
5292                 LinphoneCall *c=(LinphoneCall*)calls->data;
5293                 calls=calls->next;
5294                 switch (c->state) {
5295                         case LinphoneCallOutgoingInit:
5296                         case LinphoneCallOutgoingProgress:
5297                         case LinphoneCallOutgoingRinging:
5298                         case LinphoneCallOutgoingEarlyMedia:
5299                         case LinphoneCallConnected:
5300                         case LinphoneCallRefered:
5301                         case LinphoneCallIncomingEarlyMedia:
5302                         case LinphoneCallUpdating:
5303                                 return TRUE;
5304                         default:
5305                                 break;
5306                 }
5307         }
5308         return FALSE;
5309 }
5310
5311 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5312         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5313 }
5314
5315 /**
5316  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5317 **/
5318 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5319         switch(menc){
5320                 case LinphoneMediaEncryptionSRTP:
5321                         return ortp_srtp_supported();
5322                 case LinphoneMediaEncryptionZRTP:
5323                         return ortp_zrtp_available();
5324                 case LinphoneMediaEncryptionNone:
5325                         return TRUE;
5326         }
5327         return FALSE;
5328 }
5329
5330 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5331         const char *type="none";
5332         int ret=0;
5333         if (menc == LinphoneMediaEncryptionSRTP){
5334                 if (!ortp_srtp_supported()){
5335                         ms_warning("SRTP not supported by library.");
5336                         type="none";
5337                         ret=-1;
5338                 }else type="srtp";
5339         }else if (menc == LinphoneMediaEncryptionZRTP){
5340                 if (!ortp_zrtp_available()){
5341                         ms_warning("ZRTP not supported by library.");
5342                         type="none";
5343                         ret=-1;
5344                 }else type="zrtp";
5345         }
5346         lp_config_set_string(lc->config,"sip","media_encryption",type);
5347         return ret;
5348 }
5349
5350 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5351         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5352
5353         if (menc == NULL)
5354                 return LinphoneMediaEncryptionNone;
5355         else if (strcmp(menc, "srtp")==0)
5356                 return LinphoneMediaEncryptionSRTP;
5357         else if (strcmp(menc, "zrtp")==0)
5358                 return LinphoneMediaEncryptionZRTP;
5359         else
5360                 return LinphoneMediaEncryptionNone;
5361 }
5362
5363 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5364         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5365 }
5366
5367 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5368         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5369 }
5370
5371 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5372         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5373         params->media_encryption=linphone_core_get_media_encryption(lc);
5374         params->in_conference=FALSE;
5375 }
5376
5377
5378
5379 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5380         if (lc->device_id) ms_free(lc->device_id);
5381         lc->device_id=ms_strdup(device_id);
5382 }
5383 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5384         return lc->device_id;
5385 }
5386
5387 /**
5388  * Set the DSCP field for SIP signaling channel.
5389  *
5390  * @ingroup network_parameters
5391  * * The DSCP defines the quality of service in IP packets.
5392  *
5393 **/
5394 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5395         sal_set_dscp(lc->sal,dscp);
5396         if (linphone_core_ready(lc)){
5397                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5398                 apply_transports(lc);
5399         }
5400 }
5401
5402 /**
5403  * Get the DSCP field for SIP signaling channel.
5404  *
5405  * @ingroup network_parameters
5406  * * The DSCP defines the quality of service in IP packets.
5407  *
5408 **/
5409 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5410         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5411 }
5412
5413 /**
5414  * Set the DSCP field for outgoing audio streams.
5415  *
5416  * @ingroup network_parameters
5417  * The DSCP defines the quality of service in IP packets.
5418  *
5419 **/
5420 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5421         if (linphone_core_ready(lc))
5422                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5423 }
5424
5425 /**
5426  * Get the DSCP field for outgoing audio streams.
5427  *
5428  * @ingroup network_parameters
5429  * The DSCP defines the quality of service in IP packets.
5430  *
5431 **/
5432 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5433         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5434 }
5435
5436 /**
5437  * Set the DSCP field for outgoing video streams.
5438  *
5439  * @ingroup network_parameters
5440  * The DSCP defines the quality of service in IP packets.
5441  *
5442 **/
5443 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5444         if (linphone_core_ready(lc))
5445                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5446
5447 }
5448
5449 /**
5450  * Get the DSCP field for outgoing video streams.
5451  *
5452  * @ingroup network_parameters
5453  * The DSCP defines the quality of service in IP packets.
5454  *
5455 **/
5456 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5457         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5458 }