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;
73 PayloadType *video_codec;
75 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
76 bool_t in_conference; /*in conference mode */
81 typedef struct _CallCallbackObj
83 LinphoneCallCbFunc _func;
87 static const int linphone_call_magic=0x3343;
89 struct _LinphoneChatMessage {
91 LinphoneChatRoom* chat_room;
92 LinphoneChatMessageStateChangeCb cb;
94 void* message_userdata;
99 int magic; /*used to distinguish from proxy config*/
100 struct _LinphoneCore *core;
101 SalMediaDescription *localdesc;
102 SalMediaDescription *resultdesc;
104 LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
105 struct _RtpProfile *audio_profile;
106 struct _RtpProfile *video_profile;
107 struct _LinphoneCallLog *log;
110 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
111 time_t start_time; /*time at which the call was initiated*/
112 time_t media_start_time; /*time at which it was accepted, media streams established*/
113 LinphoneCallState state;
114 LinphoneCallState transfer_state; /*idle if no transfer*/
115 LinphoneReason reason;
120 struct _AudioStream *audiostream; /**/
121 struct _VideoStream *videostream;
122 MSAudioEndpoint *endpoint; /*used for conferencing*/
124 LinphoneCallParams params;
125 LinphoneCallParams current_params;
126 LinphoneCallParams remote_params;
127 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
128 int audio_bw; /*upload bandwidth used by audio */
129 bool_t refer_pending;
130 bool_t media_pending;
132 bool_t camera_active;
133 bool_t all_muted; /*this flag is set during early medias*/
134 bool_t playing_ringbacktone;
135 bool_t owns_call_log;
136 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
137 OrtpEvQueue *audiostream_app_evq;
139 OrtpEvQueue *videostream_app_evq;
140 bool_t videostream_encrypted;
141 bool_t audiostream_encrypted;
142 bool_t auth_token_verified;
144 bool_t was_automatically_paused;
146 CallCallbackObj nextVideoFrameDecoded;
147 LinphoneCallStats stats[2];
148 IceSession *ice_session;
149 LinphoneChatMessage* pending_message;
153 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
154 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
155 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
158 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
159 void linphone_call_log_completed(LinphoneCall *call);
160 void linphone_call_log_destroy(LinphoneCallLog *cl);
161 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
163 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
165 void linphone_core_update_proxy_register(LinphoneCore *lc);
166 void linphone_core_refresh_subscribes(LinphoneCore *lc);
167 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
169 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
170 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
172 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
173 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
174 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
175 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
176 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
178 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
181 int remove_lock_file();
182 int do_registration(LinphoneCore *lc, bool_t doit);
183 void check_for_registration(LinphoneCore *lc);
184 void check_sound_device(LinphoneCore *lc);
185 void linphone_core_verify_codecs(LinphoneCore *lc);
186 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
187 bool_t host_has_ipv6_network();
188 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
190 static inline int get_min_bandwidth(int dbw, int ubw){
191 if (dbw<=0) return ubw;
192 if (ubw<=0) return dbw;
196 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
197 if (bw1<0) return TRUE;
198 else if (bw2<0) return FALSE;
199 else return bw1>=bw2;
202 static inline int get_video_bandwidth(int total, int audio){
203 if (total<=0) return 0;
204 return total-audio-10;
207 static inline void set_string(char **dest, const char *src){
213 *dest=ms_strdup(src);
216 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
218 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
219 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
220 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
221 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
222 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
223 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
225 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
226 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
228 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
230 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
231 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
232 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
233 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
234 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
235 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
236 void linphone_core_deactivate_ice_for_deactivated_media_streams(LinphoneCall *call, const SalMediaDescription *md);
238 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
239 void linphone_core_write_friends_config(LinphoneCore* lc);
240 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
241 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
243 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
244 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
245 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
246 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
247 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
249 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
250 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
252 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
254 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
256 void linphone_core_play_tone(LinphoneCore *lc);
258 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
260 void linphone_call_init_audio_stream(LinphoneCall *call);
261 void linphone_call_init_video_stream(LinphoneCall *call);
262 void linphone_call_init_media_streams(LinphoneCall *call);
263 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
264 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
265 void linphone_call_stop_media_streams(LinphoneCall *call);
266 void linphone_call_delete_ice_session(LinphoneCall *call);
268 const char * linphone_core_get_identity(LinphoneCore *lc);
269 const char * linphone_core_get_route(LinphoneCore *lc);
270 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
271 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
272 void linphone_core_stop_waiting(LinphoneCore *lc);
274 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
275 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
276 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
277 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
278 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
279 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
280 extern SalCallbacks linphone_sal_callbacks;
281 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
282 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
284 LinphoneCall * is_a_linphone_call(void *user_pointer);
285 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
287 static const int linphone_proxy_config_magic=0x7979;
290 void linphone_chat_message_destroy(LinphoneChatMessage* msg);
293 struct _LinphoneProxyConfig
296 struct _LinphoneCore *lc;
301 char *contact_params;
306 struct _SipSetupContext *ssctx;
309 LinphoneRegistrationState state;
312 bool_t reg_sendregister;
314 bool_t dial_escape_plus;
316 time_t deletion_date;
317 LinphoneReason error;
320 struct _LinphoneAuthInfo
328 time_t last_use_time;
332 struct _LinphoneChatRoom{
333 struct _LinphoneCore *lc;
335 LinphoneAddress *peer_url;
342 struct _LinphoneFriend{
343 LinphoneAddress *uri;
346 LinphoneSubscribePolicy pol;
347 LinphoneOnlineStatus status;
348 struct _LinphoneCore *lc;
352 bool_t subscribe_active;
353 bool_t inc_subscribe_pending;
358 typedef struct sip_config
361 char *guessed_contact;
363 MSList *deleted_proxies;
364 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
365 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
366 LCSipTransports transports;
368 bool_t use_rfc2833; /*force RFC2833 to be sent*/
369 bool_t guess_hostname;
370 bool_t loopback_only;
373 bool_t register_only_when_network_is_up;
374 bool_t ping_with_options;
375 bool_t auto_net_state_mon;
378 typedef struct rtp_config
382 int audio_jitt_comp; /*jitter compensation*/
383 int video_jitt_comp; /*jitter compensation*/
385 bool_t rtp_no_xmit_on_audio_mute;
386 /* stop rtp xmit when audio muted */
387 bool_t audio_adaptive_jitt_comp_enabled;
388 bool_t video_adaptive_jitt_comp_enabled;
393 typedef struct net_config
395 char *nat_address; /* may be IP or host name */
396 char *nat_address_ip; /* ip translated from nat_address */
408 typedef struct sound_config
410 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
411 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
412 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
413 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
415 int latency; /* latency in samples of the current used sound device */
429 typedef struct codecs_config
431 MSList *audio_codecs; /* list of audio codecs in order of preference*/
432 MSList *video_codecs; /* for later use*/
435 typedef struct video_config{
436 struct _MSWebCam *device;
442 bool_t selfview; /*during calls*/
443 const char *displaytype;
446 typedef struct ui_config
450 unsigned int timer_id; /* the timer id for registration */
455 typedef struct autoreplier_config
458 int after_seconds; /* accept the call after x seconds*/
459 int max_users; /* maximum number of user that can call simultaneously */
460 int max_rec_time; /* the max time of incoming voice recorded */
461 int max_rec_msg; /* maximum number of recorded messages */
462 const char *message; /* the path of the file to be played */
463 }autoreplier_config_t;
465 struct _LinphoneConference{
466 MSAudioConference *conf;
467 AudioStream *local_participant;
468 MSAudioEndpoint *local_endpoint;
469 RtpProfile *local_dummy_profile;
473 typedef struct _LinphoneConference LinphoneConference;
477 LinphoneCoreVTable vtable;
479 LinphoneGlobalState state;
480 struct _LpConfig *config;
481 net_config_t net_conf;
482 sip_config_t sip_conf;
483 rtp_config_t rtp_conf;
484 sound_config_t sound_conf;
485 video_config_t video_conf;
486 codecs_config_t codecs_conf;
488 autoreplier_config_t autoreplier_conf;
489 MSList *payload_types;
491 LinphoneProxyConfig *default_proxy;
494 struct _RingStream *ringstream;
495 time_t dmfs_playing_start_time;
496 LCCallbackObj preview_finished_cb;
497 LinphoneCall *current_call; /* the current call */
498 MSList *calls; /* all the processed calls */
499 MSList *queued_calls; /* used by the autoreplier */
504 VideoPreview *previewstream;
505 struct _MSEventQueue *msevq;
506 LinphoneRtpTransportFactories *rtptf;
508 MSList *subscribers; /* unknown subscribers */
510 LinphoneOnlineStatus presence_mode;
517 LinphoneWaitingCallback wait_cb;
519 unsigned long video_window_id;
520 unsigned long preview_window_id;
521 time_t netup_time; /*time when network went reachable */
522 struct _EcCalibrator *ecc;
524 LinphoneConference conf_ctx;
525 char* zrtp_secrets_cache;
526 LinphoneVideoPolicy video_policy;
528 bool_t apply_nat_settings;
529 bool_t initial_subscribes_sent;
532 bool_t preview_finished;
533 bool_t auto_net_state_mon;
534 bool_t network_reachable;
535 bool_t use_preview_window;
537 bool_t ringstream_autorelease;
541 LinphoneTunnel *tunnel;
545 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
546 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
547 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
548 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
550 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
551 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
552 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
553 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
554 int linphone_core_get_calls_nb(const LinphoneCore *lc);
556 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
558 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
559 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
561 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
563 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
565 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
566 void _linphone_core_configure_resolver();
568 struct _EcCalibrator{
570 MSSndCard *play_card,*capt_card;
571 MSFilter *sndread,*det,*rec;
572 MSFilter *play, *gen, *sndwrite,*resampler;
574 LinphoneEcCalibrationCallback cb;
581 LinphoneEcCalibratorStatus status;
584 typedef struct _EcCalibrator EcCalibrator;
586 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
588 void ec_calibrator_destroy(EcCalibrator *ecc);
590 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
591 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
592 /*conferencing subsystem*/
593 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
594 /* When a conference participant pause the conference he may send a music.
595 * We don't want to hear that music or to send it to the other participants.
596 * Use muted=yes to handle this case.
598 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
599 void linphone_call_remove_from_conf(LinphoneCall *call);
600 void linphone_core_conference_check_uninit(LinphoneCore *lc);
601 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
602 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
603 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
605 void __linphone_core_invalidate_registers(LinphoneCore* lc);
606 void _linphone_core_codec_config_write(LinphoneCore *lc);
612 #define NB_MAX_CALLS (10)
614 void call_logs_write_to_config_file(LinphoneCore *lc);
622 #endif /* _PRIVATE_H */