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 */
80 struct _LinphoneCore *core;
81 SalMediaDescription *localdesc;
82 SalMediaDescription *resultdesc;
84 struct _RtpProfile *audio_profile;
85 struct _RtpProfile *video_profile;
86 struct _LinphoneCallLog *log;
89 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
90 time_t start_time; /*time at which the call was initiated*/
91 time_t media_start_time; /*time at which it was accepted, media streams established*/
92 LinphoneCallState state;
93 LinphoneReason reason;
98 struct _AudioStream *audiostream; /**/
99 struct _VideoStream *videostream;
100 MSAudioEndpoint *endpoint; /*used for conferencing*/
102 LinphoneCallParams params;
103 LinphoneCallParams current_params;
104 LinphoneCallParams remote_params;
105 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
106 int audio_bw; /*upload bandwidth used by audio */
107 bool_t refer_pending;
108 bool_t media_pending;
110 bool_t camera_active;
111 bool_t all_muted; /*this flag is set during early medias*/
112 bool_t playing_ringbacktone;
113 bool_t owns_call_log;
114 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
115 OrtpEvQueue *audiostream_app_evq;
117 OrtpEvQueue *videostream_app_evq;
118 bool_t videostream_encrypted;
119 bool_t audiostream_encrypted;
120 bool_t auth_token_verified;
125 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
126 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
127 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
130 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
131 void linphone_call_log_completed(LinphoneCall *call);
132 void linphone_call_log_destroy(LinphoneCallLog *cl);
134 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
136 void linphone_core_update_proxy_register(LinphoneCore *lc);
137 void linphone_core_refresh_subscribes(LinphoneCore *lc);
138 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
140 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
141 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
143 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
144 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
145 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
146 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
147 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
149 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
152 int remove_lock_file();
153 int do_registration(LinphoneCore *lc, bool_t doit);
154 void check_for_registration(LinphoneCore *lc);
155 void check_sound_device(LinphoneCore *lc);
156 void linphone_core_verify_codecs(LinphoneCore *lc);
157 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
158 bool_t host_has_ipv6_network();
159 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
161 static inline int get_min_bandwidth(int dbw, int ubw){
162 if (dbw<=0) return ubw;
163 if (ubw<=0) return dbw;
167 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
168 if (bw1<0) return TRUE;
169 else if (bw2<0) return FALSE;
170 else return bw1>=bw2;
173 static inline int get_video_bandwidth(int total, int audio){
174 if (total<=0) return 0;
175 return total-audio-10;
178 static inline void set_string(char **dest, const char *src){
184 *dest=ms_strdup(src);
187 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
189 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
190 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
191 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
192 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
193 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeState ss, SalPresenceStatus status);
194 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
196 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
197 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
199 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
201 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
202 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
203 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
205 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
206 void linphone_core_write_friends_config(LinphoneCore* lc);
207 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
208 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
210 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
211 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
212 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
213 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
214 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
216 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
217 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
219 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
221 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
223 void linphone_core_play_tone(LinphoneCore *lc);
225 void linphone_call_init_media_streams(LinphoneCall *call);
226 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
227 void linphone_call_stop_media_streams(LinphoneCall *call);
229 const char * linphone_core_get_identity(LinphoneCore *lc);
230 const char * linphone_core_get_route(LinphoneCore *lc);
231 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
232 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
233 void linphone_core_stop_waiting(LinphoneCore *lc);
235 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
236 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
237 extern SalCallbacks linphone_sal_callbacks;
238 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
239 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
242 struct _LinphoneProxyConfig
244 struct _LinphoneCore *lc;
253 struct _SipSetupContext *ssctx;
256 LinphoneRegistrationState state;
259 bool_t reg_sendregister;
261 bool_t dial_escape_plus;
263 time_t deletion_date;
264 LinphoneReason error;
267 struct _LinphoneAuthInfo
275 time_t last_use_time;
279 struct _LinphoneChatRoom{
280 struct _LinphoneCore *lc;
282 LinphoneAddress *peer_url;
287 struct _LinphoneFriend{
288 LinphoneAddress *uri;
291 LinphoneSubscribePolicy pol;
292 LinphoneOnlineStatus status;
293 struct _LinphoneCore *lc;
297 bool_t subscribe_active;
298 bool_t inc_subscribe_pending;
303 typedef struct sip_config
306 char *guessed_contact;
308 MSList *deleted_proxies;
309 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
310 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
311 LCSipTransports transports;
313 bool_t use_rfc2833; /*force RFC2833 to be sent*/
314 bool_t guess_hostname;
315 bool_t loopback_only;
318 bool_t register_only_when_network_is_up;
319 bool_t ping_with_options;
320 bool_t auto_net_state_mon;
323 typedef struct rtp_config
327 int audio_jitt_comp; /*jitter compensation*/
328 int video_jitt_comp; /*jitter compensation*/
330 bool_t rtp_no_xmit_on_audio_mute;
331 /* stop rtp xmit when audio muted */
336 typedef struct net_config
338 char *nat_address; /* may be IP or host name */
339 char *nat_address_ip; /* ip translated from nat_address */
351 typedef struct sound_config
353 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
354 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
355 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
356 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
358 int latency; /* latency in samples of the current used sound device */
372 typedef struct codecs_config
374 MSList *audio_codecs; /* list of audio codecs in order of preference*/
375 MSList *video_codecs; /* for later use*/
378 typedef struct video_config{
379 struct _MSWebCam *device;
385 bool_t selfview; /*during calls*/
386 const char *displaytype;
389 typedef struct ui_config
393 unsigned int timer_id; /* the timer id for registration */
398 typedef struct autoreplier_config
401 int after_seconds; /* accept the call after x seconds*/
402 int max_users; /* maximum number of user that can call simultaneously */
403 int max_rec_time; /* the max time of incoming voice recorded */
404 int max_rec_msg; /* maximum number of recorded messages */
405 const char *message; /* the path of the file to be played */
406 }autoreplier_config_t;
408 struct _LinphoneConference{
409 MSAudioConference *conf;
410 AudioStream *local_participant;
411 MSAudioEndpoint *local_endpoint;
412 RtpProfile *local_dummy_profile;
416 typedef struct _LinphoneConference LinphoneConference;
420 LinphoneCoreVTable vtable;
422 LinphoneGlobalState state;
423 struct _LpConfig *config;
424 net_config_t net_conf;
425 sip_config_t sip_conf;
426 rtp_config_t rtp_conf;
427 sound_config_t sound_conf;
428 video_config_t video_conf;
429 codecs_config_t codecs_conf;
431 autoreplier_config_t autoreplier_conf;
432 MSList *payload_types;
434 LinphoneProxyConfig *default_proxy;
437 struct _RingStream *ringstream;
438 time_t dmfs_playing_start_time;
439 LCCallbackObj preview_finished_cb;
440 LinphoneCall *current_call; /* the current call */
441 MSList *calls; /* all the processed calls */
442 MSList *queued_calls; /* used by the autoreplier */
447 VideoPreview *previewstream;
448 struct _MSEventQueue *msevq;
449 LinphoneRtpTransportFactories *rtptf;
451 MSList *subscribers; /* unknown subscribers */
453 LinphoneOnlineStatus presence_mode;
460 LinphoneWaitingCallback wait_cb;
462 unsigned long video_window_id;
463 unsigned long preview_window_id;
464 time_t netup_time; /*time when network went reachable */
465 struct _EcCalibrator *ecc;
467 LinphoneConference conf_ctx;
468 char* zrtp_secrets_cache;
469 LinphoneVideoPolicy video_policy;
471 bool_t apply_nat_settings;
472 bool_t initial_subscribes_sent;
475 bool_t preview_finished;
476 bool_t auto_net_state_mon;
477 bool_t network_reachable;
478 bool_t use_preview_window;
480 bool_t ringstream_autorelease;
484 LinphoneTunnel *tunnel;
487 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
488 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
489 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
490 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
492 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
493 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
494 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
495 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
496 int linphone_core_get_calls_nb(const LinphoneCore *lc);
498 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
500 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
501 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
503 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
505 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
507 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
508 void _linphone_core_configure_resolver();
510 struct _EcCalibrator{
512 MSSndCard *play_card,*capt_card;
513 MSFilter *sndread,*det,*rec;
514 MSFilter *play, *gen, *sndwrite,*resampler;
516 LinphoneEcCalibrationCallback cb;
523 LinphoneEcCalibratorStatus status;
526 typedef struct _EcCalibrator EcCalibrator;
528 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
530 void ec_calibrator_destroy(EcCalibrator *ecc);
532 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
533 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
534 /*conferencing subsystem*/
535 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
536 /* When a conference participant pause the conference he may send a music.
537 * We don't want to hear that music or to send it to the other participants.
538 * Use muted=yes to handle this case.
540 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
541 void linphone_call_remove_from_conf(LinphoneCall *call);
542 void linphone_core_conference_check_uninit(LinphoneCore *lc);
543 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
545 void __linphone_core_invalidate_registers(LinphoneCore* lc);
551 #define NB_MAX_CALLS (10)
553 void call_logs_write_to_config_file(LinphoneCore *lc);
561 #endif /* _PRIVATE_H */