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;
71 PayloadType *audio_codec;
72 PayloadType *video_codec;
74 bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
75 bool_t in_conference; /*in conference mode */
80 typedef struct _CallCallbackObj
82 LinphoneCallCbFunc _func;
86 static const int linphone_call_magic=0x3343;
90 int magic; /*used to distinguish from proxy config*/
91 struct _LinphoneCore *core;
92 SalMediaDescription *localdesc;
93 SalMediaDescription *resultdesc;
95 LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
96 struct _RtpProfile *audio_profile;
97 struct _RtpProfile *video_profile;
98 struct _LinphoneCallLog *log;
101 char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
102 time_t start_time; /*time at which the call was initiated*/
103 time_t media_start_time; /*time at which it was accepted, media streams established*/
104 LinphoneCallState state;
105 LinphoneCallState transfer_state; /*idle if no transfer*/
106 LinphoneReason reason;
111 struct _AudioStream *audiostream; /**/
112 struct _VideoStream *videostream;
113 MSAudioEndpoint *endpoint; /*used for conferencing*/
115 LinphoneCallParams params;
116 LinphoneCallParams current_params;
117 LinphoneCallParams remote_params;
118 int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
119 int audio_bw; /*upload bandwidth used by audio */
120 bool_t refer_pending;
121 bool_t media_pending;
123 bool_t camera_active;
124 bool_t all_muted; /*this flag is set during early medias*/
125 bool_t playing_ringbacktone;
126 bool_t owns_call_log;
127 bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
128 OrtpEvQueue *audiostream_app_evq;
130 OrtpEvQueue *videostream_app_evq;
131 bool_t videostream_encrypted;
132 bool_t audiostream_encrypted;
133 bool_t auth_token_verified;
135 bool_t was_automatically_paused;
136 CallCallbackObj nextVideoFrameDecoded;
140 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
141 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
142 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
145 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
146 void linphone_call_log_completed(LinphoneCall *call);
147 void linphone_call_log_destroy(LinphoneCallLog *cl);
148 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
150 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
152 void linphone_core_update_proxy_register(LinphoneCore *lc);
153 void linphone_core_refresh_subscribes(LinphoneCore *lc);
154 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
156 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
157 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
159 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
160 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
161 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
162 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
163 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
165 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
168 int remove_lock_file();
169 int do_registration(LinphoneCore *lc, bool_t doit);
170 void check_for_registration(LinphoneCore *lc);
171 void check_sound_device(LinphoneCore *lc);
172 void linphone_core_verify_codecs(LinphoneCore *lc);
173 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
174 bool_t host_has_ipv6_network();
175 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
177 static inline int get_min_bandwidth(int dbw, int ubw){
178 if (dbw<=0) return ubw;
179 if (ubw<=0) return dbw;
183 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
184 if (bw1<0) return TRUE;
185 else if (bw2<0) return FALSE;
186 else return bw1>=bw2;
189 static inline int get_video_bandwidth(int total, int audio){
190 if (total<=0) return 0;
191 return total-audio-10;
194 static inline void set_string(char **dest, const char *src){
200 *dest=ms_strdup(src);
203 #define PAYLOAD_TYPE_ENABLED PAYLOAD_TYPE_USER_FLAG_0
205 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
206 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
207 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
208 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
209 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
210 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
212 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
213 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
215 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
217 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
218 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
219 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
221 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
222 void linphone_core_write_friends_config(LinphoneCore* lc);
223 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
224 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
226 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
227 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
228 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
229 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
230 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
232 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
233 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
235 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
237 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
239 void linphone_core_play_tone(LinphoneCore *lc);
241 void linphone_call_init_media_streams(LinphoneCall *call);
242 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
243 void linphone_call_stop_media_streams(LinphoneCall *call);
245 const char * linphone_core_get_identity(LinphoneCore *lc);
246 const char * linphone_core_get_route(LinphoneCore *lc);
247 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
248 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
249 void linphone_core_stop_waiting(LinphoneCore *lc);
251 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
252 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
253 extern SalCallbacks linphone_sal_callbacks;
254 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
255 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
257 LinphoneCall * is_a_linphone_call(void *user_pointer);
258 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
260 static const int linphone_proxy_config_magic=0x7979;
262 struct _LinphoneProxyConfig
265 struct _LinphoneCore *lc;
274 struct _SipSetupContext *ssctx;
277 LinphoneRegistrationState state;
280 bool_t reg_sendregister;
282 bool_t dial_escape_plus;
284 time_t deletion_date;
285 LinphoneReason error;
288 struct _LinphoneAuthInfo
296 time_t last_use_time;
300 struct _LinphoneChatRoom{
301 struct _LinphoneCore *lc;
303 LinphoneAddress *peer_url;
308 struct _LinphoneFriend{
309 LinphoneAddress *uri;
312 LinphoneSubscribePolicy pol;
313 LinphoneOnlineStatus status;
314 struct _LinphoneCore *lc;
318 bool_t subscribe_active;
319 bool_t inc_subscribe_pending;
324 typedef struct sip_config
327 char *guessed_contact;
329 MSList *deleted_proxies;
330 int inc_timeout; /*timeout after an un-answered incoming call is rejected*/
331 unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
332 LCSipTransports transports;
334 bool_t use_rfc2833; /*force RFC2833 to be sent*/
335 bool_t guess_hostname;
336 bool_t loopback_only;
339 bool_t register_only_when_network_is_up;
340 bool_t ping_with_options;
341 bool_t auto_net_state_mon;
344 typedef struct rtp_config
348 int audio_jitt_comp; /*jitter compensation*/
349 int video_jitt_comp; /*jitter compensation*/
351 bool_t rtp_no_xmit_on_audio_mute;
352 /* stop rtp xmit when audio muted */
357 typedef struct net_config
359 char *nat_address; /* may be IP or host name */
360 char *nat_address_ip; /* ip translated from nat_address */
372 typedef struct sound_config
374 struct _MSSndCard * ring_sndcard; /* the playback sndcard currently used */
375 struct _MSSndCard * play_sndcard; /* the playback sndcard currently used */
376 struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
377 struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
379 int latency; /* latency in samples of the current used sound device */
393 typedef struct codecs_config
395 MSList *audio_codecs; /* list of audio codecs in order of preference*/
396 MSList *video_codecs; /* for later use*/
399 typedef struct video_config{
400 struct _MSWebCam *device;
406 bool_t selfview; /*during calls*/
407 const char *displaytype;
410 typedef struct ui_config
414 unsigned int timer_id; /* the timer id for registration */
419 typedef struct autoreplier_config
422 int after_seconds; /* accept the call after x seconds*/
423 int max_users; /* maximum number of user that can call simultaneously */
424 int max_rec_time; /* the max time of incoming voice recorded */
425 int max_rec_msg; /* maximum number of recorded messages */
426 const char *message; /* the path of the file to be played */
427 }autoreplier_config_t;
429 struct _LinphoneConference{
430 MSAudioConference *conf;
431 AudioStream *local_participant;
432 MSAudioEndpoint *local_endpoint;
433 RtpProfile *local_dummy_profile;
437 typedef struct _LinphoneConference LinphoneConference;
441 LinphoneCoreVTable vtable;
443 LinphoneGlobalState state;
444 struct _LpConfig *config;
445 net_config_t net_conf;
446 sip_config_t sip_conf;
447 rtp_config_t rtp_conf;
448 sound_config_t sound_conf;
449 video_config_t video_conf;
450 codecs_config_t codecs_conf;
452 autoreplier_config_t autoreplier_conf;
453 MSList *payload_types;
455 LinphoneProxyConfig *default_proxy;
458 struct _RingStream *ringstream;
459 time_t dmfs_playing_start_time;
460 LCCallbackObj preview_finished_cb;
461 LinphoneCall *current_call; /* the current call */
462 MSList *calls; /* all the processed calls */
463 MSList *queued_calls; /* used by the autoreplier */
468 VideoPreview *previewstream;
469 struct _MSEventQueue *msevq;
470 LinphoneRtpTransportFactories *rtptf;
472 MSList *subscribers; /* unknown subscribers */
474 LinphoneOnlineStatus presence_mode;
481 LinphoneWaitingCallback wait_cb;
483 unsigned long video_window_id;
484 unsigned long preview_window_id;
485 time_t netup_time; /*time when network went reachable */
486 struct _EcCalibrator *ecc;
488 LinphoneConference conf_ctx;
489 char* zrtp_secrets_cache;
490 LinphoneVideoPolicy video_policy;
492 bool_t apply_nat_settings;
493 bool_t initial_subscribes_sent;
496 bool_t preview_finished;
497 bool_t auto_net_state_mon;
498 bool_t network_reachable;
499 bool_t use_preview_window;
501 bool_t ringstream_autorelease;
505 LinphoneTunnel *tunnel;
508 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
509 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
510 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
511 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
513 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
514 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
515 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
516 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
517 int linphone_core_get_calls_nb(const LinphoneCore *lc);
519 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
521 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
522 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
524 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
526 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt, int bandwidth_limit);
528 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
529 void _linphone_core_configure_resolver();
531 struct _EcCalibrator{
533 MSSndCard *play_card,*capt_card;
534 MSFilter *sndread,*det,*rec;
535 MSFilter *play, *gen, *sndwrite,*resampler;
537 LinphoneEcCalibrationCallback cb;
544 LinphoneEcCalibratorStatus status;
547 typedef struct _EcCalibrator EcCalibrator;
549 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
551 void ec_calibrator_destroy(EcCalibrator *ecc);
553 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
554 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
555 /*conferencing subsystem*/
556 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
557 /* When a conference participant pause the conference he may send a music.
558 * We don't want to hear that music or to send it to the other participants.
559 * Use muted=yes to handle this case.
561 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
562 void linphone_call_remove_from_conf(LinphoneCall *call);
563 void linphone_core_conference_check_uninit(LinphoneCore *lc);
564 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
565 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
567 void __linphone_core_invalidate_registers(LinphoneCore* lc);
573 #define NB_MAX_CALLS (10)
575 void call_logs_write_to_config_file(LinphoneCore *lc);
583 #endif /* _PRIVATE_H */