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;
137 CallCallbackObj nextVideoFrameDecoded;
138 LinphoneCallStats stats[2];
139 IceSession *ice_session;
143 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
144 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
145 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
148 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
149 void linphone_call_log_completed(LinphoneCall *call);
150 void linphone_call_log_destroy(LinphoneCallLog *cl);
151 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
153 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
155 void linphone_core_update_proxy_register(LinphoneCore *lc);
156 void linphone_core_refresh_subscribes(LinphoneCore *lc);
157 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
159 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
160 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
162 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
163 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
164 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
165 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
166 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
168 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
171 int remove_lock_file();
172 int do_registration(LinphoneCore *lc, bool_t doit);
173 void check_for_registration(LinphoneCore *lc);
174 void check_sound_device(LinphoneCore *lc);
175 void linphone_core_verify_codecs(LinphoneCore *lc);
176 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
177 bool_t host_has_ipv6_network();
178 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
180 static inline int get_min_bandwidth(int dbw, int ubw){
181 if (dbw<=0) return ubw;
182 if (ubw<=0) return dbw;
186 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
187 if (bw1<0) return TRUE;
188 else if (bw2<0) return FALSE;
189 else return bw1>=bw2;
192 static inline int get_video_bandwidth(int total, int audio){
193 if (total<=0) return 0;
194 return total-audio-10;
197 static inline void set_string(char **dest, const char *src){
203 *dest=ms_strdup(src);
206 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
208 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
209 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
210 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
211 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
212 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
213 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
215 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
216 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
218 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
220 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
221 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
222 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
223 void linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
225 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
226 void linphone_core_write_friends_config(LinphoneCore* lc);
227 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
228 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
230 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
231 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
232 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
233 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
234 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
236 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
237 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
239 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
241 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
243 void linphone_core_play_tone(LinphoneCore *lc);
245 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
247 void linphone_call_init_media_streams(LinphoneCall *call);
248 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
249 void linphone_call_stop_media_streams(LinphoneCall *call);
251 const char * linphone_core_get_identity(LinphoneCore *lc);
252 const char * linphone_core_get_route(LinphoneCore *lc);
253 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
254 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
255 void linphone_core_stop_waiting(LinphoneCore *lc);
257 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
258 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
259 extern SalCallbacks linphone_sal_callbacks;
260 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
261 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
263 LinphoneCall * is_a_linphone_call(void *user_pointer);
264 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
266 static const int linphone_proxy_config_magic=0x7979;
268 struct _LinphoneProxyConfig
271 struct _LinphoneCore *lc;
280 struct _SipSetupContext *ssctx;
283 LinphoneRegistrationState state;
286 bool_t reg_sendregister;
288 bool_t dial_escape_plus;
290 time_t deletion_date;
291 LinphoneReason error;
294 struct _LinphoneAuthInfo
302 time_t last_use_time;
306 struct _LinphoneChatRoom{
307 struct _LinphoneCore *lc;
309 LinphoneAddress *peer_url;
314 struct _LinphoneFriend{
315 LinphoneAddress *uri;
318 LinphoneSubscribePolicy pol;
319 LinphoneOnlineStatus status;
320 struct _LinphoneCore *lc;
324 bool_t subscribe_active;
325 bool_t inc_subscribe_pending;
330 typedef struct sip_config
333 char *guessed_contact;
335 MSList *deleted_proxies;
336 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
337 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
338 LCSipTransports transports;
340 bool_t use_rfc2833; /*force RFC2833 to be sent*/
341 bool_t guess_hostname;
342 bool_t loopback_only;
345 bool_t register_only_when_network_is_up;
346 bool_t ping_with_options;
347 bool_t auto_net_state_mon;
350 typedef struct rtp_config
354 int audio_jitt_comp; /*jitter compensation*/
355 int video_jitt_comp; /*jitter compensation*/
357 bool_t rtp_no_xmit_on_audio_mute;
358 /* stop rtp xmit when audio muted */
363 typedef struct net_config
365 char *nat_address; /* may be IP or host name */
366 char *nat_address_ip; /* ip translated from nat_address */
378 typedef struct sound_config
380 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
381 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
382 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
383 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
385 int latency; /* latency in samples of the current used sound device */
399 typedef struct codecs_config
401 MSList *audio_codecs; /* list of audio codecs in order of preference*/
402 MSList *video_codecs; /* for later use*/
405 typedef struct video_config{
406 struct _MSWebCam *device;
412 bool_t selfview; /*during calls*/
413 const char *displaytype;
416 typedef struct ui_config
420 unsigned int timer_id; /* the timer id for registration */
425 typedef struct autoreplier_config
428 int after_seconds; /* accept the call after x seconds*/
429 int max_users; /* maximum number of user that can call simultaneously */
430 int max_rec_time; /* the max time of incoming voice recorded */
431 int max_rec_msg; /* maximum number of recorded messages */
432 const char *message; /* the path of the file to be played */
433 }autoreplier_config_t;
435 struct _LinphoneConference{
436 MSAudioConference *conf;
437 AudioStream *local_participant;
438 MSAudioEndpoint *local_endpoint;
439 RtpProfile *local_dummy_profile;
443 typedef struct _LinphoneConference LinphoneConference;
447 LinphoneCoreVTable vtable;
449 LinphoneGlobalState state;
450 struct _LpConfig *config;
451 net_config_t net_conf;
452 sip_config_t sip_conf;
453 rtp_config_t rtp_conf;
454 sound_config_t sound_conf;
455 video_config_t video_conf;
456 codecs_config_t codecs_conf;
458 autoreplier_config_t autoreplier_conf;
459 MSList *payload_types;
461 LinphoneProxyConfig *default_proxy;
464 struct _RingStream *ringstream;
465 time_t dmfs_playing_start_time;
466 LCCallbackObj preview_finished_cb;
467 LinphoneCall *current_call; /* the current call */
468 MSList *calls; /* all the processed calls */
469 MSList *queued_calls; /* used by the autoreplier */
474 VideoPreview *previewstream;
475 struct _MSEventQueue *msevq;
476 LinphoneRtpTransportFactories *rtptf;
478 MSList *subscribers; /* unknown subscribers */
480 LinphoneOnlineStatus presence_mode;
487 LinphoneWaitingCallback wait_cb;
489 unsigned long video_window_id;
490 unsigned long preview_window_id;
491 time_t netup_time; /*time when network went reachable */
492 struct _EcCalibrator *ecc;
494 LinphoneConference conf_ctx;
495 char* zrtp_secrets_cache;
496 LinphoneVideoPolicy video_policy;
498 bool_t apply_nat_settings;
499 bool_t initial_subscribes_sent;
502 bool_t preview_finished;
503 bool_t auto_net_state_mon;
504 bool_t network_reachable;
505 bool_t use_preview_window;
507 bool_t ringstream_autorelease;
511 LinphoneTunnel *tunnel;
514 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
515 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
516 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
517 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
519 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
520 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
521 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
522 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
523 int linphone_core_get_calls_nb(const LinphoneCore *lc);
525 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
527 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
528 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
530 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
532 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
534 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
535 void _linphone_core_configure_resolver();
537 struct _EcCalibrator{
539 MSSndCard *play_card,*capt_card;
540 MSFilter *sndread,*det,*rec;
541 MSFilter *play, *gen, *sndwrite,*resampler;
543 LinphoneEcCalibrationCallback cb;
550 LinphoneEcCalibratorStatus status;
553 typedef struct _EcCalibrator EcCalibrator;
555 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
557 void ec_calibrator_destroy(EcCalibrator *ecc);
559 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
560 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
561 /*conferencing subsystem*/
562 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
563 /* When a conference participant pause the conference he may send a music.
564 * We don't want to hear that music or to send it to the other participants.
565 * Use muted=yes to handle this case.
567 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
568 void linphone_call_remove_from_conf(LinphoneCall *call);
569 void linphone_core_conference_check_uninit(LinphoneCore *lc);
570 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
571 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
573 void __linphone_core_invalidate_registers(LinphoneCore* lc);
574 void _linphone_core_codec_config_write(LinphoneCore *lc);
580 #define NB_MAX_CALLS (10)
582 void call_logs_write_to_config_file(LinphoneCore *lc);
590 #endif /* _PRIVATE_H */