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;
91 int magic; /*used to distinguish from proxy config*/
92 struct _LinphoneCore *core;
93 SalMediaDescription *localdesc;
94 SalMediaDescription *resultdesc;
96 LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
97 struct _RtpProfile *audio_profile;
98 struct _RtpProfile *video_profile;
99 struct _LinphoneCallLog *log;
102 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
103 time_t start_time; /*time at which the call was initiated*/
104 time_t media_start_time; /*time at which it was accepted, media streams established*/
105 LinphoneCallState state;
106 LinphoneCallState transfer_state; /*idle if no transfer*/
107 LinphoneReason reason;
112 struct _AudioStream *audiostream; /**/
113 struct _VideoStream *videostream;
114 MSAudioEndpoint *endpoint; /*used for conferencing*/
116 LinphoneCallParams params;
117 LinphoneCallParams current_params;
118 LinphoneCallParams remote_params;
119 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
120 int audio_bw; /*upload bandwidth used by audio */
121 bool_t refer_pending;
122 bool_t media_pending;
124 bool_t camera_active;
125 bool_t all_muted; /*this flag is set during early medias*/
126 bool_t playing_ringbacktone;
127 bool_t owns_call_log;
128 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
129 OrtpEvQueue *audiostream_app_evq;
131 OrtpEvQueue *videostream_app_evq;
132 bool_t videostream_encrypted;
133 bool_t audiostream_encrypted;
134 bool_t auth_token_verified;
136 bool_t was_automatically_paused;
138 CallCallbackObj nextVideoFrameDecoded;
139 LinphoneCallStats stats[2];
140 IceSession *ice_session;
144 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
145 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
146 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
149 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
150 void linphone_call_log_completed(LinphoneCall *call);
151 void linphone_call_log_destroy(LinphoneCallLog *cl);
152 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
154 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
156 void linphone_core_update_proxy_register(LinphoneCore *lc);
157 void linphone_core_refresh_subscribes(LinphoneCore *lc);
158 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
160 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
161 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
163 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
164 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
165 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
166 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
167 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
169 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
172 int remove_lock_file();
173 int do_registration(LinphoneCore *lc, bool_t doit);
174 void check_for_registration(LinphoneCore *lc);
175 void check_sound_device(LinphoneCore *lc);
176 void linphone_core_verify_codecs(LinphoneCore *lc);
177 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
178 bool_t host_has_ipv6_network();
179 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
181 static inline int get_min_bandwidth(int dbw, int ubw){
182 if (dbw<=0) return ubw;
183 if (ubw<=0) return dbw;
187 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
188 if (bw1<0) return TRUE;
189 else if (bw2<0) return FALSE;
190 else return bw1>=bw2;
193 static inline int get_video_bandwidth(int total, int audio){
194 if (total<=0) return 0;
195 return total-audio-10;
198 static inline void set_string(char **dest, const char *src){
204 *dest=ms_strdup(src);
207 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
209 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
210 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
211 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
212 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
213 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
214 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
216 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
217 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
219 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
221 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
222 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
223 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
224 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
225 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
226 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
227 void linphone_core_deactivate_ice_for_deactivated_media_streams(LinphoneCall *call, const SalMediaDescription *md);
229 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
230 void linphone_core_write_friends_config(LinphoneCore* lc);
231 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
232 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
234 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
235 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
236 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
237 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
238 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
240 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
241 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
243 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
245 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
247 void linphone_core_play_tone(LinphoneCore *lc);
249 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
251 void linphone_call_init_audio_stream(LinphoneCall *call);
252 void linphone_call_init_video_stream(LinphoneCall *call);
253 void linphone_call_init_media_streams(LinphoneCall *call);
254 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
255 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
256 void linphone_call_stop_media_streams(LinphoneCall *call);
257 void linphone_call_delete_ice_session(LinphoneCall *call);
259 const char * linphone_core_get_identity(LinphoneCore *lc);
260 const char * linphone_core_get_route(LinphoneCore *lc);
261 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
262 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
263 void linphone_core_stop_waiting(LinphoneCore *lc);
265 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
266 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
267 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
268 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
269 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
270 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
271 extern SalCallbacks linphone_sal_callbacks;
272 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
273 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
275 LinphoneCall * is_a_linphone_call(void *user_pointer);
276 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
278 static const int linphone_proxy_config_magic=0x7979;
280 struct _LinphoneProxyConfig
283 struct _LinphoneCore *lc;
288 char *contact_params;
293 struct _SipSetupContext *ssctx;
296 LinphoneRegistrationState state;
299 bool_t reg_sendregister;
301 bool_t dial_escape_plus;
303 time_t deletion_date;
304 LinphoneReason error;
307 struct _LinphoneAuthInfo
315 time_t last_use_time;
319 struct _LinphoneChatRoom{
320 struct _LinphoneCore *lc;
322 LinphoneAddress *peer_url;
327 struct _LinphoneFriend{
328 LinphoneAddress *uri;
331 LinphoneSubscribePolicy pol;
332 LinphoneOnlineStatus status;
333 struct _LinphoneCore *lc;
337 bool_t subscribe_active;
338 bool_t inc_subscribe_pending;
343 typedef struct sip_config
346 char *guessed_contact;
348 MSList *deleted_proxies;
349 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
350 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
351 LCSipTransports transports;
353 bool_t use_rfc2833; /*force RFC2833 to be sent*/
354 bool_t guess_hostname;
355 bool_t loopback_only;
358 bool_t register_only_when_network_is_up;
359 bool_t ping_with_options;
360 bool_t auto_net_state_mon;
363 typedef struct rtp_config
367 int audio_jitt_comp; /*jitter compensation*/
368 int video_jitt_comp; /*jitter compensation*/
370 bool_t rtp_no_xmit_on_audio_mute;
371 /* stop rtp xmit when audio muted */
376 typedef struct net_config
378 char *nat_address; /* may be IP or host name */
379 char *nat_address_ip; /* ip translated from nat_address */
391 typedef struct sound_config
393 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
394 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
395 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
396 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
398 int latency; /* latency in samples of the current used sound device */
412 typedef struct codecs_config
414 MSList *audio_codecs; /* list of audio codecs in order of preference*/
415 MSList *video_codecs; /* for later use*/
418 typedef struct video_config{
419 struct _MSWebCam *device;
425 bool_t selfview; /*during calls*/
426 const char *displaytype;
429 typedef struct ui_config
433 unsigned int timer_id; /* the timer id for registration */
438 typedef struct autoreplier_config
441 int after_seconds; /* accept the call after x seconds*/
442 int max_users; /* maximum number of user that can call simultaneously */
443 int max_rec_time; /* the max time of incoming voice recorded */
444 int max_rec_msg; /* maximum number of recorded messages */
445 const char *message; /* the path of the file to be played */
446 }autoreplier_config_t;
448 struct _LinphoneConference{
449 MSAudioConference *conf;
450 AudioStream *local_participant;
451 MSAudioEndpoint *local_endpoint;
452 RtpProfile *local_dummy_profile;
456 typedef struct _LinphoneConference LinphoneConference;
460 LinphoneCoreVTable vtable;
462 LinphoneGlobalState state;
463 struct _LpConfig *config;
464 net_config_t net_conf;
465 sip_config_t sip_conf;
466 rtp_config_t rtp_conf;
467 sound_config_t sound_conf;
468 video_config_t video_conf;
469 codecs_config_t codecs_conf;
471 autoreplier_config_t autoreplier_conf;
472 MSList *payload_types;
474 LinphoneProxyConfig *default_proxy;
477 struct _RingStream *ringstream;
478 time_t dmfs_playing_start_time;
479 LCCallbackObj preview_finished_cb;
480 LinphoneCall *current_call; /* the current call */
481 MSList *calls; /* all the processed calls */
482 MSList *queued_calls; /* used by the autoreplier */
487 VideoPreview *previewstream;
488 struct _MSEventQueue *msevq;
489 LinphoneRtpTransportFactories *rtptf;
491 MSList *subscribers; /* unknown subscribers */
493 LinphoneOnlineStatus presence_mode;
500 LinphoneWaitingCallback wait_cb;
502 unsigned long video_window_id;
503 unsigned long preview_window_id;
504 time_t netup_time; /*time when network went reachable */
505 struct _EcCalibrator *ecc;
507 LinphoneConference conf_ctx;
508 char* zrtp_secrets_cache;
509 LinphoneVideoPolicy video_policy;
511 bool_t apply_nat_settings;
512 bool_t initial_subscribes_sent;
515 bool_t preview_finished;
516 bool_t auto_net_state_mon;
517 bool_t network_reachable;
518 bool_t use_preview_window;
520 bool_t ringstream_autorelease;
524 LinphoneTunnel *tunnel;
527 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
528 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
529 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
530 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
532 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
533 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
534 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
535 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
536 int linphone_core_get_calls_nb(const LinphoneCore *lc);
538 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
540 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
541 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
543 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
545 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
547 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
548 void _linphone_core_configure_resolver();
550 struct _EcCalibrator{
552 MSSndCard *play_card,*capt_card;
553 MSFilter *sndread,*det,*rec;
554 MSFilter *play, *gen, *sndwrite,*resampler;
556 LinphoneEcCalibrationCallback cb;
563 LinphoneEcCalibratorStatus status;
566 typedef struct _EcCalibrator EcCalibrator;
568 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
570 void ec_calibrator_destroy(EcCalibrator *ecc);
572 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
573 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
574 /*conferencing subsystem*/
575 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
576 /* When a conference participant pause the conference he may send a music.
577 * We don't want to hear that music or to send it to the other participants.
578 * Use muted=yes to handle this case.
580 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
581 void linphone_call_remove_from_conf(LinphoneCall *call);
582 void linphone_core_conference_check_uninit(LinphoneCore *lc);
583 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
584 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
585 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
587 void __linphone_core_invalidate_registers(LinphoneCore* lc);
588 void _linphone_core_codec_config_write(LinphoneCore *lc);
594 #define NB_MAX_CALLS (10)
596 void call_logs_write_to_config_file(LinphoneCore *lc);
604 #endif /* _PRIVATE_H */