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 unsigned int remote_session_id;
152 unsigned int remote_session_ver;
153 bool_t refer_pending;
154 bool_t media_pending;
156 bool_t camera_active;
158 bool_t all_muted; /*this flag is set during early medias*/
159 bool_t playing_ringbacktone;
160 bool_t owns_call_log;
161 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
163 bool_t videostream_encrypted;
164 bool_t audiostream_encrypted;
165 bool_t auth_token_verified;
168 bool_t was_automatically_paused;
173 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
174 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
175 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
178 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
179 void linphone_call_log_completed(LinphoneCall *call);
180 void linphone_call_log_destroy(LinphoneCallLog *cl);
181 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
183 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
185 void linphone_core_update_proxy_register(LinphoneCore *lc);
186 void linphone_core_refresh_subscribes(LinphoneCore *lc);
187 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
189 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
190 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
192 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
193 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
194 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
195 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
196 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
198 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
201 int remove_lock_file();
202 void check_sound_device(LinphoneCore *lc);
203 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
204 bool_t host_has_ipv6_network();
205 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
207 static inline int get_min_bandwidth(int dbw, int ubw){
208 if (dbw<=0) return ubw;
209 if (ubw<=0) return dbw;
213 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
214 if (bw1<0) return TRUE;
215 else if (bw2<0) return FALSE;
216 else return bw1>=bw2;
219 static inline int get_video_bandwidth(int total, int audio){
220 if (total<=0) return 0;
221 return total-audio-10;
224 static inline void set_string(char **dest, const char *src){
230 *dest=ms_strdup(src);
233 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
235 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
236 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
237 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
238 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
239 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
240 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
242 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
243 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
245 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
247 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
248 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
250 int linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
251 void linphone_core_adapt_to_network(LinphoneCore *lc, int ping_time_ms, LinphoneCallParams *params);
252 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
253 void linphone_core_update_ice_state_in_call_stats(LinphoneCall *call);
254 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
255 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
256 bool_t linphone_core_media_description_contains_video_stream(const SalMediaDescription *md);
258 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
259 void linphone_core_write_friends_config(LinphoneCore* lc);
260 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
261 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
263 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
264 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
265 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
266 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
267 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
269 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
270 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
272 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
274 void linphone_core_message_received(LinphoneCore *lc, const char *from, const char *raw_msg,const char* external_url);
276 void linphone_core_play_tone(LinphoneCore *lc);
278 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
280 void linphone_call_init_audio_stream(LinphoneCall *call);
281 void linphone_call_init_video_stream(LinphoneCall *call);
282 void linphone_call_init_media_streams(LinphoneCall *call);
283 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
284 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
285 void linphone_call_stop_audio_stream(LinphoneCall *call);
286 void linphone_call_stop_video_stream(LinphoneCall *call);
287 void linphone_call_stop_media_streams(LinphoneCall *call);
288 void linphone_call_delete_ice_session(LinphoneCall *call);
289 void linphone_call_stop_media_streams_for_ice_gathering(LinphoneCall *call);
290 void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md);
291 void linphone_call_update_remote_session_id_and_ver(LinphoneCall *call);
293 const char * linphone_core_get_identity(LinphoneCore *lc);
294 const char * linphone_core_get_route(LinphoneCore *lc);
295 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
296 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
297 void linphone_core_stop_waiting(LinphoneCore *lc);
299 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
300 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call);
301 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
302 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
303 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
304 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
305 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md);
306 extern SalCallbacks linphone_sal_callbacks;
307 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
308 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
310 LinphoneCall * is_a_linphone_call(void *user_pointer);
311 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
313 static const int linphone_proxy_config_magic=0x7979;
316 void linphone_chat_message_destroy(LinphoneChatMessage* msg);
319 struct _LinphoneProxyConfig
322 struct _LinphoneCore *lc;
327 char *contact_params;
332 struct _SipSetupContext *ssctx;
335 LinphoneRegistrationState state;
338 bool_t reg_sendregister;
340 bool_t dial_escape_plus;
342 time_t deletion_date;
343 LinphoneReason error;
346 struct _LinphoneAuthInfo
354 time_t last_use_time;
358 struct _LinphoneChatRoom{
359 struct _LinphoneCore *lc;
361 LinphoneAddress *peer_url;
367 struct _LinphoneFriend{
368 LinphoneAddress *uri;
371 LinphoneSubscribePolicy pol;
372 LinphoneOnlineStatus status;
373 struct _LinphoneCore *lc;
377 bool_t subscribe_active;
378 bool_t inc_subscribe_pending;
383 typedef struct sip_config
386 char *guessed_contact;
388 MSList *deleted_proxies;
389 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
390 int in_call_timeout; /*timeout after a call is hangup */
391 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
392 LCSipTransports transports;
394 bool_t use_rfc2833; /*force RFC2833 to be sent*/
395 bool_t guess_hostname;
396 bool_t loopback_only;
399 bool_t register_only_when_network_is_up;
400 bool_t ping_with_options;
401 bool_t auto_net_state_mon;
404 typedef struct rtp_config
406 int audio_rtp_min_port;
407 int audio_rtp_max_port;
408 int video_rtp_min_port;
409 int video_rtp_max_port;
410 int audio_jitt_comp; /*jitter compensation*/
411 int video_jitt_comp; /*jitter compensation*/
413 bool_t rtp_no_xmit_on_audio_mute;
414 /* stop rtp xmit when audio muted */
415 bool_t audio_adaptive_jitt_comp_enabled;
416 bool_t video_adaptive_jitt_comp_enabled;
422 typedef struct net_config
424 char *nat_address; /* may be IP or host name */
425 char *nat_address_ip; /* ip translated from nat_address */
436 typedef struct sound_config
438 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
439 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
440 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
441 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
443 int latency; /* latency in samples of the current used sound device */
444 float soft_play_lev; /*playback gain in db.*/
445 float soft_mic_lev; /*mic gain in db.*/
458 typedef struct codecs_config
460 MSList *audio_codecs; /* list of audio codecs in order of preference*/
461 MSList *video_codecs; /* for later use*/
464 typedef struct video_config{
465 struct _MSWebCam *device;
471 bool_t selfview; /*during calls*/
472 const char *displaytype;
475 typedef struct ui_config
479 unsigned int timer_id; /* the timer id for registration */
484 typedef struct autoreplier_config
487 int after_seconds; /* accept the call after x seconds*/
488 int max_users; /* maximum number of user that can call simultaneously */
489 int max_rec_time; /* the max time of incoming voice recorded */
490 int max_rec_msg; /* maximum number of recorded messages */
491 const char *message; /* the path of the file to be played */
492 }autoreplier_config_t;
494 struct _LinphoneConference{
495 MSAudioConference *conf;
496 AudioStream *local_participant;
497 MSAudioEndpoint *local_endpoint;
498 RtpProfile *local_dummy_profile;
502 typedef struct _LinphoneConference LinphoneConference;
506 LinphoneCoreVTable vtable;
508 LinphoneGlobalState state;
509 struct _LpConfig *config;
510 RtpProfile *default_profile;
511 net_config_t net_conf;
512 sip_config_t sip_conf;
513 rtp_config_t rtp_conf;
514 sound_config_t sound_conf;
515 video_config_t video_conf;
516 codecs_config_t codecs_conf;
518 autoreplier_config_t autoreplier_conf;
519 MSList *payload_types;
521 LinphoneProxyConfig *default_proxy;
524 struct _RingStream *ringstream;
525 time_t dmfs_playing_start_time;
526 LCCallbackObj preview_finished_cb;
527 LinphoneCall *current_call; /* the current call */
528 MSList *calls; /* all the processed calls */
529 MSList *queued_calls; /* used by the autoreplier */
534 VideoPreview *previewstream;
535 struct _MSEventQueue *msevq;
536 LinphoneRtpTransportFactories *rtptf;
538 MSList *subscribers; /* unknown subscribers */
540 LinphoneOnlineStatus presence_mode;
547 LinphoneWaitingCallback wait_cb;
549 unsigned long video_window_id;
550 unsigned long preview_window_id;
551 time_t netup_time; /*time when network went reachable */
552 struct _EcCalibrator *ecc;
554 LinphoneConference conf_ctx;
555 char* zrtp_secrets_cache;
556 LinphoneVideoPolicy video_policy;
558 bool_t apply_nat_settings;
559 bool_t initial_subscribes_sent;
562 bool_t preview_finished;
563 bool_t auto_net_state_mon;
564 bool_t network_reachable;
565 bool_t use_preview_window;
567 time_t network_last_check;
568 bool_t network_last_status;
570 bool_t ringstream_autorelease;
574 LinphoneTunnel *tunnel;
576 MSList *last_recv_msg_ids;
579 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
580 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
581 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
582 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
584 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
585 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
586 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
587 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
588 int linphone_core_get_calls_nb(const LinphoneCore *lc);
590 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
591 void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *call);
592 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
594 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
596 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
597 void _linphone_core_configure_resolver();
599 struct _EcCalibrator{
601 MSSndCard *play_card,*capt_card;
602 MSFilter *sndread,*det,*rec;
603 MSFilter *play, *gen, *sndwrite;
604 MSFilter *read_resampler,*write_resampler;
606 LinphoneEcCalibrationCallback cb;
613 LinphoneEcCalibratorStatus status;
616 typedef struct _EcCalibrator EcCalibrator;
618 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
620 void ec_calibrator_destroy(EcCalibrator *ecc);
622 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
623 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
624 /*conferencing subsystem*/
625 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
626 /* When a conference participant pause the conference he may send a music.
627 * We don't want to hear that music or to send it to the other participants.
628 * Use muted=yes to handle this case.
630 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
631 void linphone_call_remove_from_conf(LinphoneCall *call);
632 void linphone_core_conference_check_uninit(LinphoneCore *lc);
633 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
634 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
635 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
637 void __linphone_core_invalidate_registers(LinphoneCore* lc);
638 void _linphone_core_codec_config_write(LinphoneCore *lc);
644 #define NB_MAX_CALLS (10)
646 void call_logs_write_to_config_file(LinphoneCore *lc);
648 int linphone_core_get_edge_bw(LinphoneCore *lc);
649 int linphone_core_get_edge_ptime(LinphoneCore *lc);
655 #endif /* _PRIVATE_H */