]> sjero.net Git - linphone/blob - coreapi/private.h
fix bugs in conferencing/multiple calls
[linphone] / coreapi / private.h
1 /***************************************************************************
2  *            private.h
3  *
4  *  Mon Jun 13 14:23:23 2005
5  *  Copyright  2005  Simon Morlat
6  *  Email simon dot morlat at linphone dot org
7  ****************************************************************************/
8
9 /*
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.
14  *
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.
19  *
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.
23  */
24
25 #ifndef _PRIVATE_H
26 #define _PRIVATE_H
27
28 #include "linphonecore.h"
29 #include "linphonecore_utils.h"
30 #include "sal.h"
31
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35 #include "mediastreamer2/mediastream.h"
36 #include "mediastreamer2/msconference.h"
37
38 #ifndef LIBLINPHONE_VERSION
39 #define LIBLINPHONE_VERSION LINPHONE_VERSION
40 #endif
41
42 #ifndef PACKAGE_SOUND_DIR
43 #define PACKAGE_SOUND_DIR "."
44 #endif
45
46 #ifdef HAVE_GETTEXT
47 #include <libintl.h>
48 #ifndef _
49 #define _(String) gettext(String)
50 #endif
51 #else
52 #ifndef _
53 #define _(something)    (something)
54 #endif
55 #ifndef ngettext
56 #define ngettext(singular, plural, number)      (((number)==1)?(singular):(plural))
57 #endif
58 #endif
59
60
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 */
64         bool_t has_video;
65         bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
66         bool_t in_conference; /*in conference mode */
67         bool_t pad;
68 };
69
70 struct _LinphoneCall
71 {
72         struct _LinphoneCore *core;
73         SalMediaDescription *localdesc;
74         SalMediaDescription *resultdesc;
75         LinphoneCallDir dir;
76         struct _RtpProfile *audio_profile;
77         struct _RtpProfile *video_profile;
78         struct _LinphoneCallLog *log;
79         SalOp *op;
80         SalOp *ping_op;
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;
86         int refcnt;
87         void * user_pointer;
88         int audio_port;
89         int video_port;
90         struct _AudioStream *audiostream;  /**/
91         struct _VideoStream *videostream;
92         MSAudioEndpoint *endpoint; /*used for conferencing*/
93         char *refer_to;
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 */
98         bool_t refer_pending;
99         bool_t media_pending;
100         bool_t audio_muted;
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;
107         char *auth_token;
108         OrtpEvQueue *videostream_app_evq;
109         bool_t videostream_encrypted;
110         bool_t audiostream_encrypted;
111         bool_t auth_token_verified;
112 };
113
114
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);
118
119 /* private: */
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);
123
124 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
125
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);
129
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);
132
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);
138
139 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
140 int set_lock_file();
141 int get_lock_file();
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);
150
151 static inline int get_min_bandwidth(int dbw, int ubw){
152         if (dbw<=0) return ubw;
153         if (ubw<=0) return dbw;
154         return MIN(dbw,ubw);
155 }
156
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;
161 }
162
163 static inline int get_video_bandwidth(int total, int audio){
164         if (total<=0) return 0;
165         return total-audio-10;
166 }
167
168 static inline void set_string(char **dest, const char *src){
169         if (*dest){
170                 ms_free(*dest);
171                 *dest=NULL;
172         }
173         if (src)
174                 *dest=ms_strdup(src);
175 }
176
177 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
178
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);
185
186 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
187 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
188
189 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
190
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);
194
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);
199
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);
205
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);
208
209 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
210
211 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
212
213 void linphone_core_play_tone(LinphoneCore *lc);
214
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);
218
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);
224
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);
230
231
232 struct _LinphoneProxyConfig
233 {
234         struct _LinphoneCore *lc;
235         char *reg_proxy;
236         char *reg_identity;
237         char *reg_route;
238         char *realm;
239         int expires;
240         int reg_time;
241         SalOp *op;
242         char *type;
243         struct _SipSetupContext *ssctx;
244         int auth_failures;
245         char *dial_prefix;
246         LinphoneRegistrationState state;
247         SalOp *publish_op;
248         bool_t commit;
249         bool_t reg_sendregister;
250         bool_t registered;
251         bool_t publish;
252         bool_t dial_escape_plus;
253         void* user_data;
254         time_t deletion_date;
255         LinphoneReason error;
256 };
257
258 struct _LinphoneAuthInfo
259 {
260         char *username;
261         char *realm;
262         char *userid;
263         char *passwd;
264         char *ha1;
265         int usecount;
266         time_t last_use_time;
267         bool_t works;
268 };
269
270 struct _LinphoneChatRoom{
271         struct _LinphoneCore *lc;
272         char  *peer;
273         LinphoneAddress *peer_url;
274         SalOp *op;
275         void * user_data;
276 };
277
278 struct _LinphoneFriend{
279         LinphoneAddress *uri;
280         SalOp *insub;
281         SalOp *outsub;
282         LinphoneSubscribePolicy pol;
283         LinphoneOnlineStatus status;
284         struct _LinphoneCore *lc;
285         BuddyInfo *info;
286         char *refkey;
287         bool_t subscribe;
288         bool_t subscribe_active;
289         bool_t inc_subscribe_pending;
290         bool_t commit;
291 };
292
293
294 typedef struct sip_config
295 {
296         char *contact;
297         char *guessed_contact;
298         MSList *proxies;
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;
303         bool_t use_info;
304         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
305         bool_t guess_hostname;
306         bool_t loopback_only;
307         bool_t ipv6_enabled;
308         bool_t sdp_200_ack;
309         bool_t register_only_when_network_is_up;
310         bool_t ping_with_options;
311         bool_t auto_net_state_mon;
312 } sip_config_t;
313
314 typedef struct rtp_config
315 {
316         int audio_rtp_port;
317         int video_rtp_port;
318         int audio_jitt_comp;  /*jitter compensation*/
319         int video_jitt_comp;  /*jitter compensation*/
320         int nortp_timeout;
321         bool_t rtp_no_xmit_on_audio_mute;
322                               /* stop rtp xmit when audio muted */
323 }rtp_config_t;
324
325
326
327 typedef struct net_config
328 {
329         char *nat_address; /* may be IP or host name */
330         char *nat_address_ip; /* ip translated from nat_address */
331         char *stun_server;
332         char *relay;
333         int download_bw;
334         int upload_bw;
335         int firewall_policy;
336         int mtu;
337         int down_ptime;
338         bool_t nat_sdp_only;
339 }net_config_t;
340
341
342 typedef struct sound_config
343 {
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 */
348         const char **cards;
349         int latency;    /* latency in samples of the current used sound device */
350         char rec_lev;
351         char play_lev;
352         char ring_lev;
353         char soft_play_lev;
354         char source;
355         char *local_ring;
356         char *remote_ring;
357         char *ringback_tone;
358         bool_t ec;
359         bool_t ea;
360         bool_t agc;
361 } sound_config_t;
362
363 typedef struct codecs_config
364 {
365         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
366         MSList *video_codecs;   /* for later use*/
367 }codecs_config_t;
368
369 typedef struct video_config{
370         struct _MSWebCam *device;
371         const char **cams;
372         MSVideoSize vsize;
373         bool_t capture;
374         bool_t show_local;
375         bool_t display;
376         bool_t selfview; /*during calls*/
377         const char *displaytype;
378 }video_config_t;
379
380 typedef struct ui_config
381 {
382         int is_daemon;
383         int is_applet;
384         unsigned int timer_id;  /* the timer id for registration */
385 }ui_config_t;
386
387
388
389 typedef struct autoreplier_config
390 {
391         int enabled;
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;
398
399 struct _LinphoneConference{
400         MSAudioConference *conf;
401         AudioStream *local_participant;
402         MSAudioEndpoint *local_endpoint;
403         bool_t local_muted;
404 };
405
406 typedef struct _LinphoneConference LinphoneConference;
407
408 struct _LinphoneCore
409 {
410         LinphoneCoreVTable vtable;
411         Sal *sal;
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;
420         ui_config_t ui_conf;
421         autoreplier_config_t autoreplier_conf;
422         MSList *payload_types;
423         int dyn_pt;
424         LinphoneProxyConfig *default_proxy;
425         MSList *friends;
426         MSList *auth_info;
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 */
433         MSList *call_logs;
434         MSList *chatrooms;
435         int max_call_logs;
436         int missed_calls;
437         VideoPreview *previewstream;
438         struct _MSEventQueue *msevq;
439         RtpTransport *a_rtp,*a_rtcp;
440         RtpTransport *v_rtp,*v_rtcp;
441         MSList *bl_reqs;
442         MSList *subscribers;    /* unknown subscribers */
443         int minutes_away;
444         LinphoneOnlineStatus presence_mode;
445         char *alt_contact;
446         void *data;
447         char *play_file;
448         char *rec_file;
449         time_t prevtime;
450         int audio_bw;
451         LinphoneWaitingCallback wait_cb;
452         void *wait_ctx;
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;
457         MSList *hooks;
458         LinphoneConference conf_ctx;
459         char* zrtp_secrets_cache;
460         bool_t use_files;
461         bool_t apply_nat_settings;
462         bool_t initial_subscribes_sent;
463         bool_t bl_refresh;
464         bool_t preview_finished;
465         bool_t auto_net_state_mon;
466         bool_t network_reachable;
467         bool_t use_preview_window;
468         int device_rotation;
469         bool_t ringstream_autorelease;
470 };
471
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);
477
478 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
479
480 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
481 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md);
482
483 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
484
485 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
486
487 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
488 void _linphone_core_configure_resolver();
489
490 struct _EcCalibrator{
491         ms_thread_t thread;
492         MSSndCard *play_card,*capt_card;
493         MSFilter *sndread,*det,*rec;
494         MSFilter *play, *gen, *sndwrite,*resampler;
495         MSTicker *ticker;
496         LinphoneEcCalibrationCallback cb;
497         void *cb_data;
498         int recv_count;
499         int sent_count;
500         int64_t acc;
501         int delay;
502         unsigned int rate;
503         LinphoneEcCalibratorStatus status;
504 };
505
506 typedef struct _EcCalibrator EcCalibrator;
507
508 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
509
510 void ec_calibrator_destroy(EcCalibrator *ecc);
511
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);
519
520 #define HOLD_OFF        (0)
521 #define HOLD_ON         (1)
522
523 #ifndef NB_MAX_CALLS
524 #define NB_MAX_CALLS    (10)
525 #endif
526 void call_logs_write_to_config_file(LinphoneCore *lc);
527 #endif /* _PRIVATE_H */