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.
28 #include "linphonecore.h"
29 #include "linphonecore_utils.h"
35 #include "mediastreamer2/mediastream.h"
36 #include "mediastreamer2/msconference.h"
38 #ifndef LIBLINPHONE_VERSION
39 #define LIBLINPHONE_VERSION LINPHONE_VERSION
42 #ifndef PACKAGE_SOUND_DIR
43 #define PACKAGE_SOUND_DIR "."
46 #ifndef PACKAGE_DATA_DIR
47 #define PACKAGE_DATA_DIR "."
53 #define _(String) gettext(String)
57 #define _(something) (something)
60 #define ngettext(singular, plural, number) (((number)==1)?(singular):(plural))
64 struct _LinphoneCallParams{
65 LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
66 int audio_bw; /* bandwidth limit for audio stream */
67 LinphoneMediaEncryption media_encryption;
69 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
70 bool_t in_conference; /*in conference mode */
77 struct _LinphoneCore *core;
78 SalMediaDescription *localdesc;
79 SalMediaDescription *resultdesc;
81 struct _RtpProfile *audio_profile;
82 struct _RtpProfile *video_profile;
83 struct _LinphoneCallLog *log;
86 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
87 time_t start_time; /*time at which the call was initiated*/
88 time_t media_start_time; /*time at which it was accepted, media streams established*/
89 LinphoneCallState state;
90 LinphoneReason reason;
95 struct _AudioStream *audiostream; /**/
96 struct _VideoStream *videostream;
97 MSAudioEndpoint *endpoint; /*used for conferencing*/
99 LinphoneCallParams params;
100 LinphoneCallParams current_params;
101 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
102 int audio_bw; /*upload bandwidth used by audio */
103 bool_t refer_pending;
104 bool_t media_pending;
106 bool_t camera_active;
107 bool_t all_muted; /*this flag is set during early medias*/
108 bool_t playing_ringbacktone;
109 bool_t owns_call_log;
110 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
111 OrtpEvQueue *audiostream_app_evq;
113 OrtpEvQueue *videostream_app_evq;
114 bool_t videostream_encrypted;
115 bool_t audiostream_encrypted;
116 bool_t auth_token_verified;
120 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
121 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
122 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
125 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
126 void linphone_call_log_completed(LinphoneCall *call);
127 void linphone_call_log_destroy(LinphoneCallLog *cl);
129 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
131 void linphone_core_update_proxy_register(LinphoneCore *lc);
132 void linphone_core_refresh_subscribes(LinphoneCore *lc);
133 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
135 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
136 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
138 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
139 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
140 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
141 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
142 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
144 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
147 int remove_lock_file();
148 int do_registration(LinphoneCore *lc, bool_t doit);
149 void check_for_registration(LinphoneCore *lc);
150 void check_sound_device(LinphoneCore *lc);
151 void linphone_core_verify_codecs(LinphoneCore *lc);
152 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
153 bool_t host_has_ipv6_network();
154 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
156 static inline int get_min_bandwidth(int dbw, int ubw){
157 if (dbw<=0) return ubw;
158 if (ubw<=0) return dbw;
162 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
163 if (bw1<0) return TRUE;
164 else if (bw2<0) return FALSE;
165 else return bw1>=bw2;
168 static inline int get_video_bandwidth(int total, int audio){
169 if (total<=0) return 0;
170 return total-audio-10;
173 static inline void set_string(char **dest, const char *src){
179 *dest=ms_strdup(src);
182 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
184 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
185 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
186 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
187 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
188 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeState ss, SalPresenceStatus status);
189 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
191 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
192 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
194 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
196 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
197 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
198 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
200 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
201 void linphone_core_write_friends_config(LinphoneCore* lc);
202 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
203 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
205 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
206 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
207 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
208 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
209 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
211 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
212 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
214 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
216 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
218 void linphone_core_play_tone(LinphoneCore *lc);
220 void linphone_call_init_media_streams(LinphoneCall *call);
221 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
222 void linphone_call_stop_media_streams(LinphoneCall *call);
224 const char * linphone_core_get_identity(LinphoneCore *lc);
225 const char * linphone_core_get_route(LinphoneCore *lc);
226 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
227 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
228 void linphone_core_stop_waiting(LinphoneCore *lc);
230 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
231 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
232 extern SalCallbacks linphone_sal_callbacks;
233 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
234 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
237 struct _LinphoneProxyConfig
239 struct _LinphoneCore *lc;
248 struct _SipSetupContext *ssctx;
251 LinphoneRegistrationState state;
254 bool_t reg_sendregister;
257 bool_t dial_escape_plus;
259 time_t deletion_date;
260 LinphoneReason error;
263 struct _LinphoneAuthInfo
271 time_t last_use_time;
275 struct _LinphoneChatRoom{
276 struct _LinphoneCore *lc;
278 LinphoneAddress *peer_url;
283 struct _LinphoneFriend{
284 LinphoneAddress *uri;
287 LinphoneSubscribePolicy pol;
288 LinphoneOnlineStatus status;
289 struct _LinphoneCore *lc;
293 bool_t subscribe_active;
294 bool_t inc_subscribe_pending;
299 typedef struct sip_config
302 char *guessed_contact;
304 MSList *deleted_proxies;
305 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
306 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
307 LCSipTransports transports;
309 bool_t use_rfc2833; /*force RFC2833 to be sent*/
310 bool_t guess_hostname;
311 bool_t loopback_only;
314 bool_t register_only_when_network_is_up;
315 bool_t ping_with_options;
316 bool_t auto_net_state_mon;
319 typedef struct rtp_config
323 int audio_jitt_comp; /*jitter compensation*/
324 int video_jitt_comp; /*jitter compensation*/
326 bool_t rtp_no_xmit_on_audio_mute;
327 /* stop rtp xmit when audio muted */
332 typedef struct net_config
334 char *nat_address; /* may be IP or host name */
335 char *nat_address_ip; /* ip translated from nat_address */
347 typedef struct sound_config
349 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
350 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
351 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
352 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
354 int latency; /* latency in samples of the current used sound device */
368 typedef struct codecs_config
370 MSList *audio_codecs; /* list of audio codecs in order of preference*/
371 MSList *video_codecs; /* for later use*/
374 typedef struct video_config{
375 struct _MSWebCam *device;
381 bool_t selfview; /*during calls*/
382 const char *displaytype;
385 typedef struct ui_config
389 unsigned int timer_id; /* the timer id for registration */
394 typedef struct autoreplier_config
397 int after_seconds; /* accept the call after x seconds*/
398 int max_users; /* maximum number of user that can call simultaneously */
399 int max_rec_time; /* the max time of incoming voice recorded */
400 int max_rec_msg; /* maximum number of recorded messages */
401 const char *message; /* the path of the file to be played */
402 }autoreplier_config_t;
404 struct _LinphoneConference{
405 MSAudioConference *conf;
406 AudioStream *local_participant;
407 MSAudioEndpoint *local_endpoint;
411 typedef struct _LinphoneConference LinphoneConference;
415 LinphoneCoreVTable vtable;
417 LinphoneGlobalState state;
418 struct _LpConfig *config;
419 net_config_t net_conf;
420 sip_config_t sip_conf;
421 rtp_config_t rtp_conf;
422 sound_config_t sound_conf;
423 video_config_t video_conf;
424 codecs_config_t codecs_conf;
426 autoreplier_config_t autoreplier_conf;
427 MSList *payload_types;
429 LinphoneProxyConfig *default_proxy;
432 struct _RingStream *ringstream;
433 time_t dmfs_playing_start_time;
434 LCCallbackObj preview_finished_cb;
435 LinphoneCall *current_call; /* the current call */
436 MSList *calls; /* all the processed calls */
437 MSList *queued_calls; /* used by the autoreplier */
442 VideoPreview *previewstream;
443 struct _MSEventQueue *msevq;
444 RtpTransport *a_rtp,*a_rtcp;
445 RtpTransport *v_rtp,*v_rtcp;
447 MSList *subscribers; /* unknown subscribers */
449 LinphoneOnlineStatus presence_mode;
456 LinphoneWaitingCallback wait_cb;
458 unsigned long video_window_id;
459 unsigned long preview_window_id;
460 time_t netup_time; /*time when network went reachable */
461 struct _EcCalibrator *ecc;
463 LinphoneConference conf_ctx;
464 char* zrtp_secrets_cache;
466 bool_t apply_nat_settings;
467 bool_t initial_subscribes_sent;
469 bool_t preview_finished;
470 bool_t auto_net_state_mon;
471 bool_t network_reachable;
472 bool_t use_preview_window;
474 bool_t ringstream_autorelease;
478 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
479 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
480 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
481 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
482 int linphone_core_get_calls_nb(const LinphoneCore *lc);
484 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
486 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
487 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md);
489 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
491 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
493 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
494 void _linphone_core_configure_resolver();
496 struct _EcCalibrator{
498 MSSndCard *play_card,*capt_card;
499 MSFilter *sndread,*det,*rec;
500 MSFilter *play, *gen, *sndwrite,*resampler;
502 LinphoneEcCalibrationCallback cb;
509 LinphoneEcCalibratorStatus status;
512 typedef struct _EcCalibrator EcCalibrator;
514 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
516 void ec_calibrator_destroy(EcCalibrator *ecc);
518 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
519 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
520 /*conferencing subsystem*/
521 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
522 void linphone_call_add_to_conf(LinphoneCall *call);
523 void linphone_call_remove_from_conf(LinphoneCall *call);
524 void linphone_core_conference_check_uninit(LinphoneConference *ctx);
525 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
531 #define NB_MAX_CALLS (10)
533 void call_logs_write_to_config_file(LinphoneCore *lc);
534 #endif /* _PRIVATE_H */