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/mediastream.h"
39 #include "mediastreamer2/msconference.h"
41 #ifndef LIBLINPHONE_VERSION
42 #define LIBLINPHONE_VERSION LINPHONE_VERSION
45 #ifndef PACKAGE_SOUND_DIR
46 #define PACKAGE_SOUND_DIR "."
49 #ifndef PACKAGE_DATA_DIR
50 #define PACKAGE_DATA_DIR "."
56 #define _(String) gettext(String)
60 #define _(something) (something)
63 #define ngettext(singular, plural, number) (((number)==1)?(singular):(plural))
67 struct _LinphoneCallParams{
68 LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
69 int audio_bw; /* bandwidth limit for audio stream */
70 LinphoneMediaEncryption media_encryption;
72 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
73 bool_t in_conference; /*in conference mode */
78 typedef struct _CallCallbackObj
80 LinphoneCallCbFunc _func;
84 static const int linphone_call_magic=0x3343;
88 int magic; /*used to distinguish from proxy config*/
89 struct _LinphoneCore *core;
90 SalMediaDescription *localdesc;
91 SalMediaDescription *resultdesc;
93 LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
94 struct _RtpProfile *audio_profile;
95 struct _RtpProfile *video_profile;
96 struct _LinphoneCallLog *log;
99 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
100 time_t start_time; /*time at which the call was initiated*/
101 time_t media_start_time; /*time at which it was accepted, media streams established*/
102 LinphoneCallState state;
103 LinphoneReason reason;
108 struct _AudioStream *audiostream; /**/
109 struct _VideoStream *videostream;
110 MSAudioEndpoint *endpoint; /*used for conferencing*/
112 LinphoneCallParams params;
113 LinphoneCallParams current_params;
114 LinphoneCallParams remote_params;
115 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
116 int audio_bw; /*upload bandwidth used by audio */
117 bool_t refer_pending;
118 bool_t media_pending;
120 bool_t camera_active;
121 bool_t all_muted; /*this flag is set during early medias*/
122 bool_t playing_ringbacktone;
123 bool_t owns_call_log;
124 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
125 OrtpEvQueue *audiostream_app_evq;
127 OrtpEvQueue *videostream_app_evq;
128 bool_t videostream_encrypted;
129 bool_t audiostream_encrypted;
130 bool_t auth_token_verified;
132 bool_t was_automatically_paused;
133 CallCallbackObj nextVideoFrameDecoded;
137 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
138 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
139 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
142 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
143 void linphone_call_log_completed(LinphoneCall *call);
144 void linphone_call_log_destroy(LinphoneCallLog *cl);
146 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
148 void linphone_core_update_proxy_register(LinphoneCore *lc);
149 void linphone_core_refresh_subscribes(LinphoneCore *lc);
150 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
152 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
153 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
155 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
156 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
157 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
158 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
159 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
161 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
164 int remove_lock_file();
165 int do_registration(LinphoneCore *lc, bool_t doit);
166 void check_for_registration(LinphoneCore *lc);
167 void check_sound_device(LinphoneCore *lc);
168 void linphone_core_verify_codecs(LinphoneCore *lc);
169 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
170 bool_t host_has_ipv6_network();
171 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
173 static inline int get_min_bandwidth(int dbw, int ubw){
174 if (dbw<=0) return ubw;
175 if (ubw<=0) return dbw;
179 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
180 if (bw1<0) return TRUE;
181 else if (bw2<0) return FALSE;
182 else return bw1>=bw2;
185 static inline int get_video_bandwidth(int total, int audio){
186 if (total<=0) return 0;
187 return total-audio-10;
190 static inline void set_string(char **dest, const char *src){
196 *dest=ms_strdup(src);
199 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
201 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
202 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
203 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
204 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
205 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
206 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
208 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
209 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
211 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
213 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
214 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
215 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
217 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
218 void linphone_core_write_friends_config(LinphoneCore* lc);
219 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
220 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
222 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
223 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
224 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
225 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
226 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
228 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
229 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
231 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
233 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
235 void linphone_core_play_tone(LinphoneCore *lc);
237 void linphone_call_init_media_streams(LinphoneCall *call);
238 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
239 void linphone_call_stop_media_streams(LinphoneCall *call);
241 const char * linphone_core_get_identity(LinphoneCore *lc);
242 const char * linphone_core_get_route(LinphoneCore *lc);
243 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
244 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
245 void linphone_core_stop_waiting(LinphoneCore *lc);
247 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
248 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
249 extern SalCallbacks linphone_sal_callbacks;
250 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
251 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
253 LinphoneCall * is_a_linphone_call(void *user_pointer);
254 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
256 static const int linphone_proxy_config_magic=0x7979;
258 struct _LinphoneProxyConfig
261 struct _LinphoneCore *lc;
270 struct _SipSetupContext *ssctx;
273 LinphoneRegistrationState state;
276 bool_t reg_sendregister;
278 bool_t dial_escape_plus;
280 time_t deletion_date;
281 LinphoneReason error;
284 struct _LinphoneAuthInfo
292 time_t last_use_time;
296 struct _LinphoneChatRoom{
297 struct _LinphoneCore *lc;
299 LinphoneAddress *peer_url;
304 struct _LinphoneFriend{
305 LinphoneAddress *uri;
308 LinphoneSubscribePolicy pol;
309 LinphoneOnlineStatus status;
310 struct _LinphoneCore *lc;
314 bool_t subscribe_active;
315 bool_t inc_subscribe_pending;
320 typedef struct sip_config
323 char *guessed_contact;
325 MSList *deleted_proxies;
326 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
327 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
328 LCSipTransports transports;
330 bool_t use_rfc2833; /*force RFC2833 to be sent*/
331 bool_t guess_hostname;
332 bool_t loopback_only;
335 bool_t register_only_when_network_is_up;
336 bool_t ping_with_options;
337 bool_t auto_net_state_mon;
340 typedef struct rtp_config
344 int audio_jitt_comp; /*jitter compensation*/
345 int video_jitt_comp; /*jitter compensation*/
347 bool_t rtp_no_xmit_on_audio_mute;
348 /* stop rtp xmit when audio muted */
353 typedef struct net_config
355 char *nat_address; /* may be IP or host name */
356 char *nat_address_ip; /* ip translated from nat_address */
368 typedef struct sound_config
370 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
371 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
372 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
373 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
375 int latency; /* latency in samples of the current used sound device */
389 typedef struct codecs_config
391 MSList *audio_codecs; /* list of audio codecs in order of preference*/
392 MSList *video_codecs; /* for later use*/
395 typedef struct video_config{
396 struct _MSWebCam *device;
402 bool_t selfview; /*during calls*/
403 const char *displaytype;
406 typedef struct ui_config
410 unsigned int timer_id; /* the timer id for registration */
415 typedef struct autoreplier_config
418 int after_seconds; /* accept the call after x seconds*/
419 int max_users; /* maximum number of user that can call simultaneously */
420 int max_rec_time; /* the max time of incoming voice recorded */
421 int max_rec_msg; /* maximum number of recorded messages */
422 const char *message; /* the path of the file to be played */
423 }autoreplier_config_t;
425 struct _LinphoneConference{
426 MSAudioConference *conf;
427 AudioStream *local_participant;
428 MSAudioEndpoint *local_endpoint;
429 RtpProfile *local_dummy_profile;
433 typedef struct _LinphoneConference LinphoneConference;
437 LinphoneCoreVTable vtable;
439 LinphoneGlobalState state;
440 struct _LpConfig *config;
441 net_config_t net_conf;
442 sip_config_t sip_conf;
443 rtp_config_t rtp_conf;
444 sound_config_t sound_conf;
445 video_config_t video_conf;
446 codecs_config_t codecs_conf;
448 autoreplier_config_t autoreplier_conf;
449 MSList *payload_types;
451 LinphoneProxyConfig *default_proxy;
454 struct _RingStream *ringstream;
455 time_t dmfs_playing_start_time;
456 LCCallbackObj preview_finished_cb;
457 LinphoneCall *current_call; /* the current call */
458 MSList *calls; /* all the processed calls */
459 MSList *queued_calls; /* used by the autoreplier */
464 VideoPreview *previewstream;
465 struct _MSEventQueue *msevq;
466 LinphoneRtpTransportFactories *rtptf;
468 MSList *subscribers; /* unknown subscribers */
470 LinphoneOnlineStatus presence_mode;
477 LinphoneWaitingCallback wait_cb;
479 unsigned long video_window_id;
480 unsigned long preview_window_id;
481 time_t netup_time; /*time when network went reachable */
482 struct _EcCalibrator *ecc;
484 LinphoneConference conf_ctx;
485 char* zrtp_secrets_cache;
486 LinphoneVideoPolicy video_policy;
488 bool_t apply_nat_settings;
489 bool_t initial_subscribes_sent;
492 bool_t preview_finished;
493 bool_t auto_net_state_mon;
494 bool_t network_reachable;
495 bool_t use_preview_window;
497 bool_t ringstream_autorelease;
501 LinphoneTunnel *tunnel;
504 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
505 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
506 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
507 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
509 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
510 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
511 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
512 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
513 int linphone_core_get_calls_nb(const LinphoneCore *lc);
515 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
517 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
518 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
520 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
522 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
524 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
525 void _linphone_core_configure_resolver();
527 struct _EcCalibrator{
529 MSSndCard *play_card,*capt_card;
530 MSFilter *sndread,*det,*rec;
531 MSFilter *play, *gen, *sndwrite,*resampler;
533 LinphoneEcCalibrationCallback cb;
540 LinphoneEcCalibratorStatus status;
543 typedef struct _EcCalibrator EcCalibrator;
545 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
547 void ec_calibrator_destroy(EcCalibrator *ecc);
549 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
550 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
551 /*conferencing subsystem*/
552 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
553 /* When a conference participant pause the conference he may send a music.
554 * We don't want to hear that music or to send it to the other participants.
555 * Use muted=yes to handle this case.
557 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
558 void linphone_call_remove_from_conf(LinphoneCall *call);
559 void linphone_core_conference_check_uninit(LinphoneCore *lc);
560 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
561 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
563 void __linphone_core_invalidate_registers(LinphoneCore* lc);
569 #define NB_MAX_CALLS (10)
571 void call_logs_write_to_config_file(LinphoneCore *lc);
579 #endif /* _PRIVATE_H */