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 "."
49 #define _(String) gettext(String)
53 #define _(something) (something)
56 #define ngettext(singular, plural, number) (((number)==1)?(singular):(plural))
61 struct _LinphoneCallParams{
62 LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
63 int audio_bw; /* bandwidth limit for audio stream */
65 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
66 bool_t in_conference; /*in conference mode */
72 struct _LinphoneCore *core;
73 SalMediaDescription *localdesc;
74 SalMediaDescription *resultdesc;
76 struct _RtpProfile *audio_profile;
77 struct _RtpProfile *video_profile;
78 struct _LinphoneCallLog *log;
81 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
82 time_t start_time; /*time at which the call was initiated*/
83 time_t media_start_time; /*time at which it was accepted, media streams established*/
84 LinphoneCallState state;
85 LinphoneReason reason;
90 struct _AudioStream *audiostream; /**/
91 struct _VideoStream *videostream;
92 MSAudioEndpoint *endpoint; /*used for conferencing*/
94 LinphoneCallParams params;
95 LinphoneCallParams current_params;
96 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
97 int audio_bw; /*upload bandwidth used by audio */
101 bool_t camera_active;
102 bool_t all_muted; /*this flag is set during early medias*/
103 bool_t playing_ringbacktone;
104 bool_t owns_call_log;
105 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
106 OrtpEvQueue *audiostream_app_evq;
108 OrtpEvQueue *videostream_app_evq;
109 bool_t videostream_encrypted;
110 bool_t audiostream_encrypted;
111 bool_t auth_token_verified;
115 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
116 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
117 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
120 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
121 void linphone_call_log_completed(LinphoneCall *call);
122 void linphone_call_log_destroy(LinphoneCallLog *cl);
124 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
126 void linphone_core_update_proxy_register(LinphoneCore *lc);
127 void linphone_core_refresh_subscribes(LinphoneCore *lc);
128 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
130 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
131 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
133 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
134 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
135 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
136 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
137 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
139 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
142 int remove_lock_file();
143 int do_registration(LinphoneCore *lc, bool_t doit);
144 void check_for_registration(LinphoneCore *lc);
145 void check_sound_device(LinphoneCore *lc);
146 void linphone_core_verify_codecs(LinphoneCore *lc);
147 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
148 bool_t host_has_ipv6_network();
149 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
151 static inline int get_min_bandwidth(int dbw, int ubw){
152 if (dbw<=0) return ubw;
153 if (ubw<=0) return dbw;
157 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
158 if (bw1<0) return TRUE;
159 else if (bw2<0) return FALSE;
160 else return bw1>=bw2;
163 static inline int get_video_bandwidth(int total, int audio){
164 if (total<=0) return 0;
165 return total-audio-10;
168 static inline void set_string(char **dest, const char *src){
174 *dest=ms_strdup(src);
177 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
179 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
180 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
181 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
182 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
183 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeState ss, SalPresenceStatus status);
184 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
186 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
187 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
189 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
191 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
192 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
193 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
195 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
196 void linphone_core_write_friends_config(LinphoneCore* lc);
197 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
198 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
200 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
201 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
202 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
203 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
204 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
206 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
207 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
209 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
211 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
213 void linphone_core_play_tone(LinphoneCore *lc);
215 void linphone_call_init_media_streams(LinphoneCall *call);
216 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
217 void linphone_call_stop_media_streams(LinphoneCall *call);
219 const char * linphone_core_get_identity(LinphoneCore *lc);
220 const char * linphone_core_get_route(LinphoneCore *lc);
221 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
222 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
223 void linphone_core_stop_waiting(LinphoneCore *lc);
225 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
226 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
227 extern SalCallbacks linphone_sal_callbacks;
228 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
229 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
232 struct _LinphoneProxyConfig
234 struct _LinphoneCore *lc;
243 struct _SipSetupContext *ssctx;
246 LinphoneRegistrationState state;
249 bool_t reg_sendregister;
252 bool_t dial_escape_plus;
254 time_t deletion_date;
255 LinphoneReason error;
258 struct _LinphoneAuthInfo
266 time_t last_use_time;
270 struct _LinphoneChatRoom{
271 struct _LinphoneCore *lc;
273 LinphoneAddress *peer_url;
278 struct _LinphoneFriend{
279 LinphoneAddress *uri;
282 LinphoneSubscribePolicy pol;
283 LinphoneOnlineStatus status;
284 struct _LinphoneCore *lc;
288 bool_t subscribe_active;
289 bool_t inc_subscribe_pending;
294 typedef struct sip_config
297 char *guessed_contact;
299 MSList *deleted_proxies;
300 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
301 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
302 LCSipTransports transports;
304 bool_t use_rfc2833; /*force RFC2833 to be sent*/
305 bool_t guess_hostname;
306 bool_t loopback_only;
309 bool_t register_only_when_network_is_up;
310 bool_t ping_with_options;
311 bool_t auto_net_state_mon;
314 typedef struct rtp_config
318 int audio_jitt_comp; /*jitter compensation*/
319 int video_jitt_comp; /*jitter compensation*/
321 bool_t rtp_no_xmit_on_audio_mute;
322 /* stop rtp xmit when audio muted */
327 typedef struct net_config
329 char *nat_address; /* may be IP or host name */
330 char *nat_address_ip; /* ip translated from nat_address */
342 typedef struct sound_config
344 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
345 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
346 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
347 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
349 int latency; /* latency in samples of the current used sound device */
363 typedef struct codecs_config
365 MSList *audio_codecs; /* list of audio codecs in order of preference*/
366 MSList *video_codecs; /* for later use*/
369 typedef struct video_config{
370 struct _MSWebCam *device;
376 bool_t selfview; /*during calls*/
377 const char *displaytype;
380 typedef struct ui_config
384 unsigned int timer_id; /* the timer id for registration */
389 typedef struct autoreplier_config
392 int after_seconds; /* accept the call after x seconds*/
393 int max_users; /* maximum number of user that can call simultaneously */
394 int max_rec_time; /* the max time of incoming voice recorded */
395 int max_rec_msg; /* maximum number of recorded messages */
396 const char *message; /* the path of the file to be played */
397 }autoreplier_config_t;
399 struct _LinphoneConference{
400 MSAudioConference *conf;
401 AudioStream *local_participant;
402 MSAudioEndpoint *local_endpoint;
406 typedef struct _LinphoneConference LinphoneConference;
410 LinphoneCoreVTable vtable;
412 LinphoneGlobalState state;
413 struct _LpConfig *config;
414 net_config_t net_conf;
415 sip_config_t sip_conf;
416 rtp_config_t rtp_conf;
417 sound_config_t sound_conf;
418 video_config_t video_conf;
419 codecs_config_t codecs_conf;
421 autoreplier_config_t autoreplier_conf;
422 MSList *payload_types;
424 LinphoneProxyConfig *default_proxy;
427 struct _RingStream *ringstream;
428 time_t dmfs_playing_start_time;
429 LCCallbackObj preview_finished_cb;
430 LinphoneCall *current_call; /* the current call */
431 MSList *calls; /* all the processed calls */
432 MSList *queued_calls; /* used by the autoreplier */
437 VideoPreview *previewstream;
438 struct _MSEventQueue *msevq;
439 RtpTransport *a_rtp,*a_rtcp;
440 RtpTransport *v_rtp,*v_rtcp;
442 MSList *subscribers; /* unknown subscribers */
444 LinphoneOnlineStatus presence_mode;
451 LinphoneWaitingCallback wait_cb;
453 unsigned long video_window_id;
454 unsigned long preview_window_id;
455 time_t netup_time; /*time when network went reachable */
456 struct _EcCalibrator *ecc;
458 LinphoneConference conf_ctx;
459 char* zrtp_secrets_cache;
461 bool_t apply_nat_settings;
462 bool_t initial_subscribes_sent;
464 bool_t preview_finished;
465 bool_t auto_net_state_mon;
466 bool_t network_reachable;
467 bool_t use_preview_window;
469 bool_t ringstream_autorelease;
472 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
473 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
474 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
475 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
476 int linphone_core_get_calls_nb(const LinphoneCore *lc);
478 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
480 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
481 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md);
483 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
485 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
487 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
488 void _linphone_core_configure_resolver();
490 struct _EcCalibrator{
492 MSSndCard *play_card,*capt_card;
493 MSFilter *sndread,*det,*rec;
494 MSFilter *play, *gen, *sndwrite,*resampler;
496 LinphoneEcCalibrationCallback cb;
503 LinphoneEcCalibratorStatus status;
506 typedef struct _EcCalibrator EcCalibrator;
508 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
510 void ec_calibrator_destroy(EcCalibrator *ecc);
512 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
513 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
514 /*conferencing subsystem*/
515 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
516 void linphone_call_add_to_conf(LinphoneCall *call);
517 void linphone_call_remove_from_conf(LinphoneCall *call);
518 void linphone_core_conference_check_uninit(LinphoneConference *ctx);
524 #define NB_MAX_CALLS (10)
526 void call_logs_write_to_config_file(LinphoneCore *lc);
527 #endif /* _PRIVATE_H */