1 /***************************************************************************
4 * Mon Jun 13 14:23:23 2005
5 * Copyright 2005 Simon Morlat
6 * Email simon dot morlat at linphone dot org
7 ****************************************************************************/
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include "linphonecore.h"
31 #include "linphone_tunnel.h"
32 #include "linphonecore_utils.h"
38 #include "mediastreamer2/ice.h"
39 #include "mediastreamer2/mediastream.h"
40 #include "mediastreamer2/msconference.h"
42 #ifndef LIBLINPHONE_VERSION
43 #define LIBLINPHONE_VERSION LINPHONE_VERSION
46 #ifndef PACKAGE_SOUND_DIR
47 #define PACKAGE_SOUND_DIR "."
50 #ifndef PACKAGE_DATA_DIR
51 #define PACKAGE_DATA_DIR "."
57 #define _(String) gettext(String)
61 #define _(something) (something)
64 #define ngettext(singular, plural, number) (((number)==1)?(singular):(plural))
68 struct _LinphoneCallParams{
69 LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
70 int audio_bw; /* bandwidth limit for audio stream */
71 LinphoneMediaEncryption media_encryption;
72 PayloadType *audio_codec; /*audio codec currently in use */
73 PayloadType *video_codec; /*video codec currently in use */
79 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
80 bool_t in_conference; /*in conference mode */
85 typedef struct _CallCallbackObj
87 LinphoneCallCbFunc _func;
91 static const int linphone_call_magic=0x3343;
93 struct _LinphoneChatMessage {
95 LinphoneChatRoom* chat_room;
96 LinphoneChatMessageStateChangeCb cb;
98 void* message_userdata;
99 char* external_body_url;
100 LinphoneAddress* from;
103 typedef struct StunCandidate{
111 int magic; /*used to distinguish from proxy config*/
112 struct _LinphoneCore *core;
113 SalMediaDescription *localdesc;
114 SalMediaDescription *resultdesc;
116 LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
117 struct _RtpProfile *audio_profile;
118 struct _RtpProfile *video_profile;
119 struct _LinphoneCallLog *log;
122 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
123 time_t start_time; /*time at which the call was initiated*/
124 time_t media_start_time; /*time at which it was accepted, media streams established*/
125 LinphoneCallState state;
126 LinphoneCallState transfer_state; /*idle if no transfer*/
127 LinphoneReason reason;
128 LinphoneProxyConfig *dest_proxy;
133 StunCandidate ac,vc; /*audio video ip/port discovered by STUN*/
134 struct _AudioStream *audiostream; /**/
135 struct _VideoStream *videostream;
136 MSAudioEndpoint *endpoint; /*used for conferencing*/
138 LinphoneCallParams params;
139 LinphoneCallParams current_params;
140 LinphoneCallParams remote_params;
141 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
142 int audio_bw; /*upload bandwidth used by audio */
143 OrtpEvQueue *audiostream_app_evq;
145 OrtpEvQueue *videostream_app_evq;
146 CallCallbackObj nextVideoFrameDecoded;
147 LinphoneCallStats stats[2];
148 IceSession *ice_session;
149 LinphoneChatMessage* pending_message;
151 bool_t refer_pending;
152 bool_t media_pending;
154 bool_t camera_active;
156 bool_t all_muted; /*this flag is set during early medias*/
157 bool_t playing_ringbacktone;
158 bool_t owns_call_log;
159 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
161 bool_t videostream_encrypted;
162 bool_t audiostream_encrypted;
163 bool_t auth_token_verified;
166 bool_t was_automatically_paused;
171 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
172 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
173 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
176 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
177 void linphone_call_log_completed(LinphoneCall *call);
178 void linphone_call_log_destroy(LinphoneCallLog *cl);
179 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
181 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
183 void linphone_core_update_proxy_register(LinphoneCore *lc);
184 void linphone_core_refresh_subscribes(LinphoneCore *lc);
185 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
187 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
188 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
190 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
191 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
192 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
193 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
194 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
196 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
199 int remove_lock_file();
200 void check_sound_device(LinphoneCore *lc);
201 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
202 bool_t host_has_ipv6_network();
203 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
205 static inline int get_min_bandwidth(int dbw, int ubw){
206 if (dbw<=0) return ubw;
207 if (ubw<=0) return dbw;
211 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
212 if (bw1<0) return TRUE;
213 else if (bw2<0) return FALSE;
214 else return bw1>=bw2;
217 static inline int get_video_bandwidth(int total, int audio){
218 if (total<=0) return 0;
219 return total-audio-10;
222 static inline void set_string(char **dest, const char *src){
228 *dest=ms_strdup(src);
231 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
233 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
234 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
235 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
236 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
237 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
238 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
240 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
241 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
243 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
245 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
246 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
248 int linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
249 void linphone_core_adapt_to_network(LinphoneCore *lc, int ping_time_ms, LinphoneCallParams *params);
250 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
251 void linphone_core_update_ice_state_in_call_stats(LinphoneCall *call);
252 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
253 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
254 bool_t linphone_core_media_description_contains_video_stream(const SalMediaDescription *md);
256 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
257 void linphone_core_write_friends_config(LinphoneCore* lc);
258 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
259 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
261 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
262 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
263 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
264 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
265 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
267 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
268 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
270 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
272 void linphone_core_message_received(LinphoneCore *lc, const char *from, const char *raw_msg,const char* external_url);
274 void linphone_core_play_tone(LinphoneCore *lc);
276 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
278 void linphone_call_init_audio_stream(LinphoneCall *call);
279 void linphone_call_init_video_stream(LinphoneCall *call);
280 void linphone_call_init_media_streams(LinphoneCall *call);
281 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
282 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
283 void linphone_call_stop_audio_stream(LinphoneCall *call);
284 void linphone_call_stop_video_stream(LinphoneCall *call);
285 void linphone_call_stop_media_streams(LinphoneCall *call);
286 void linphone_call_delete_ice_session(LinphoneCall *call);
287 void linphone_call_stop_media_streams_for_ice_gathering(LinphoneCall *call);
288 void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md);
290 const char * linphone_core_get_identity(LinphoneCore *lc);
291 const char * linphone_core_get_route(LinphoneCore *lc);
292 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
293 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
294 void linphone_core_stop_waiting(LinphoneCore *lc);
296 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
297 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call);
298 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
299 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
300 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
301 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
302 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md);
303 extern SalCallbacks linphone_sal_callbacks;
304 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
305 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
307 LinphoneCall * is_a_linphone_call(void *user_pointer);
308 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
310 static const int linphone_proxy_config_magic=0x7979;
313 void linphone_chat_message_destroy(LinphoneChatMessage* msg);
316 struct _LinphoneProxyConfig
319 struct _LinphoneCore *lc;
324 char *contact_params;
329 struct _SipSetupContext *ssctx;
332 LinphoneRegistrationState state;
335 bool_t reg_sendregister;
337 bool_t dial_escape_plus;
339 time_t deletion_date;
340 LinphoneReason error;
343 struct _LinphoneAuthInfo
351 time_t last_use_time;
355 struct _LinphoneChatRoom{
356 struct _LinphoneCore *lc;
358 LinphoneAddress *peer_url;
364 struct _LinphoneFriend{
365 LinphoneAddress *uri;
368 LinphoneSubscribePolicy pol;
369 LinphoneOnlineStatus status;
370 struct _LinphoneCore *lc;
374 bool_t subscribe_active;
375 bool_t inc_subscribe_pending;
380 typedef struct sip_config
383 char *guessed_contact;
385 MSList *deleted_proxies;
386 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
387 int in_call_timeout; /*timeout after a call is hangup */
388 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
389 LCSipTransports transports;
391 bool_t use_rfc2833; /*force RFC2833 to be sent*/
392 bool_t guess_hostname;
393 bool_t loopback_only;
396 bool_t register_only_when_network_is_up;
397 bool_t ping_with_options;
398 bool_t auto_net_state_mon;
401 typedef struct rtp_config
403 int audio_rtp_min_port;
404 int audio_rtp_max_port;
405 int video_rtp_min_port;
406 int video_rtp_max_port;
407 int audio_jitt_comp; /*jitter compensation*/
408 int video_jitt_comp; /*jitter compensation*/
410 bool_t rtp_no_xmit_on_audio_mute;
411 /* stop rtp xmit when audio muted */
412 bool_t audio_adaptive_jitt_comp_enabled;
413 bool_t video_adaptive_jitt_comp_enabled;
419 typedef struct net_config
421 char *nat_address; /* may be IP or host name */
422 char *nat_address_ip; /* ip translated from nat_address */
433 typedef struct sound_config
435 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
436 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
437 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
438 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
440 int latency; /* latency in samples of the current used sound device */
441 float soft_play_lev; /*playback gain in db.*/
442 float soft_mic_lev; /*mic gain in db.*/
455 typedef struct codecs_config
457 MSList *audio_codecs; /* list of audio codecs in order of preference*/
458 MSList *video_codecs; /* for later use*/
461 typedef struct video_config{
462 struct _MSWebCam *device;
468 bool_t selfview; /*during calls*/
469 const char *displaytype;
472 typedef struct ui_config
476 unsigned int timer_id; /* the timer id for registration */
481 typedef struct autoreplier_config
484 int after_seconds; /* accept the call after x seconds*/
485 int max_users; /* maximum number of user that can call simultaneously */
486 int max_rec_time; /* the max time of incoming voice recorded */
487 int max_rec_msg; /* maximum number of recorded messages */
488 const char *message; /* the path of the file to be played */
489 }autoreplier_config_t;
491 struct _LinphoneConference{
492 MSAudioConference *conf;
493 AudioStream *local_participant;
494 MSAudioEndpoint *local_endpoint;
495 RtpProfile *local_dummy_profile;
499 typedef struct _LinphoneConference LinphoneConference;
503 LinphoneCoreVTable vtable;
505 LinphoneGlobalState state;
506 struct _LpConfig *config;
507 RtpProfile *default_profile;
508 net_config_t net_conf;
509 sip_config_t sip_conf;
510 rtp_config_t rtp_conf;
511 sound_config_t sound_conf;
512 video_config_t video_conf;
513 codecs_config_t codecs_conf;
515 autoreplier_config_t autoreplier_conf;
516 MSList *payload_types;
518 LinphoneProxyConfig *default_proxy;
521 struct _RingStream *ringstream;
522 time_t dmfs_playing_start_time;
523 LCCallbackObj preview_finished_cb;
524 LinphoneCall *current_call; /* the current call */
525 MSList *calls; /* all the processed calls */
526 MSList *queued_calls; /* used by the autoreplier */
531 VideoPreview *previewstream;
532 struct _MSEventQueue *msevq;
533 LinphoneRtpTransportFactories *rtptf;
535 MSList *subscribers; /* unknown subscribers */
537 LinphoneOnlineStatus presence_mode;
544 LinphoneWaitingCallback wait_cb;
546 unsigned long video_window_id;
547 unsigned long preview_window_id;
548 time_t netup_time; /*time when network went reachable */
549 struct _EcCalibrator *ecc;
551 LinphoneConference conf_ctx;
552 char* zrtp_secrets_cache;
553 LinphoneVideoPolicy video_policy;
555 bool_t apply_nat_settings;
556 bool_t initial_subscribes_sent;
559 bool_t preview_finished;
560 bool_t auto_net_state_mon;
561 bool_t network_reachable;
562 bool_t use_preview_window;
564 time_t network_last_check;
565 bool_t network_last_status;
567 bool_t ringstream_autorelease;
571 LinphoneTunnel *tunnel;
573 MSList *last_recv_msg_ids;
576 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
577 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
578 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
579 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
581 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
582 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
583 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
584 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
585 int linphone_core_get_calls_nb(const LinphoneCore *lc);
587 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
588 void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *call);
589 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
591 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
593 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
594 void _linphone_core_configure_resolver();
596 struct _EcCalibrator{
598 MSSndCard *play_card,*capt_card;
599 MSFilter *sndread,*det,*rec;
600 MSFilter *play, *gen, *sndwrite;
601 MSFilter *read_resampler,*write_resampler;
603 LinphoneEcCalibrationCallback cb;
610 LinphoneEcCalibratorStatus status;
613 typedef struct _EcCalibrator EcCalibrator;
615 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
617 void ec_calibrator_destroy(EcCalibrator *ecc);
619 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
620 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
621 /*conferencing subsystem*/
622 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
623 /* When a conference participant pause the conference he may send a music.
624 * We don't want to hear that music or to send it to the other participants.
625 * Use muted=yes to handle this case.
627 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
628 void linphone_call_remove_from_conf(LinphoneCall *call);
629 void linphone_core_conference_check_uninit(LinphoneCore *lc);
630 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
631 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
632 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
634 void __linphone_core_invalidate_registers(LinphoneCore* lc);
635 void _linphone_core_codec_config_write(LinphoneCore *lc);
641 #define NB_MAX_CALLS (10)
643 void call_logs_write_to_config_file(LinphoneCore *lc);
645 int linphone_core_get_edge_bw(LinphoneCore *lc);
646 int linphone_core_get_edge_ptime(LinphoneCore *lc);
652 #endif /* _PRIVATE_H */