]> sjero.net Git - linphone/blob - coreapi/private.h
support to display encryption
[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 struct _LinphoneCallParams{
61         LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
62         int audio_bw; /* bandwidth limit for audio stream */
63         LinphoneMediaEncryption media_encryption;
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
71 struct _LinphoneCall
72 {
73         struct _LinphoneCore *core;
74         SalMediaDescription *localdesc;
75         SalMediaDescription *resultdesc;
76         LinphoneCallDir dir;
77         struct _RtpProfile *audio_profile;
78         struct _RtpProfile *video_profile;
79         struct _LinphoneCallLog *log;
80         SalOp *op;
81         SalOp *ping_op;
82         char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
83         time_t start_time; /*time at which the call was initiated*/
84         time_t media_start_time; /*time at which it was accepted, media streams established*/
85         LinphoneCallState       state;
86         LinphoneReason reason;
87         int refcnt;
88         void * user_pointer;
89         int audio_port;
90         int video_port;
91         struct _AudioStream *audiostream;  /**/
92         struct _VideoStream *videostream;
93         MSAudioEndpoint *endpoint; /*used for conferencing*/
94         char *refer_to;
95         LinphoneCallParams params;
96         LinphoneCallParams current_params;
97         int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
98         int audio_bw;   /*upload bandwidth used by audio */
99         bool_t refer_pending;
100         bool_t media_pending;
101         bool_t audio_muted;
102         bool_t camera_active;
103         bool_t all_muted; /*this flag is set during early medias*/
104         bool_t playing_ringbacktone;
105         bool_t owns_call_log;
106         bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
107         OrtpEvQueue *audiostream_app_evq;
108         char *auth_token;
109         OrtpEvQueue *videostream_app_evq;
110         bool_t videostream_encrypted;
111         bool_t audiostream_encrypted;
112         bool_t auth_token_verified;
113 };
114
115
116 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
117 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
118 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
119
120 /* private: */
121 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
122 void linphone_call_log_completed(LinphoneCall *call);
123 void linphone_call_log_destroy(LinphoneCallLog *cl);
124
125 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
126
127 void linphone_core_update_proxy_register(LinphoneCore *lc);
128 void linphone_core_refresh_subscribes(LinphoneCore *lc);
129 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
130
131 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
132 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
133
134 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
135 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
136 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
137 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
138 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
139
140 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
141 int set_lock_file();
142 int get_lock_file();
143 int remove_lock_file();
144 int do_registration(LinphoneCore *lc, bool_t doit);
145 void check_for_registration(LinphoneCore *lc);
146 void check_sound_device(LinphoneCore *lc);
147 void linphone_core_verify_codecs(LinphoneCore *lc);
148 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
149 bool_t host_has_ipv6_network();
150 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
151
152 static inline int get_min_bandwidth(int dbw, int ubw){
153         if (dbw<=0) return ubw;
154         if (ubw<=0) return dbw;
155         return MIN(dbw,ubw);
156 }
157
158 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
159         if (bw1<0) return TRUE;
160         else if (bw2<0) return FALSE;
161         else return bw1>=bw2;
162 }
163
164 static inline int get_video_bandwidth(int total, int audio){
165         if (total<=0) return 0;
166         return total-audio-10;
167 }
168
169 static inline void set_string(char **dest, const char *src){
170         if (*dest){
171                 ms_free(*dest);
172                 *dest=NULL;
173         }
174         if (src)
175                 *dest=ms_strdup(src);
176 }
177
178 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
179
180 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
181 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
182 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
183 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
184 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeState ss, SalPresenceStatus status);
185 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
186
187 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
188 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
189
190 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
191
192 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
193 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
194 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
195
196 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
197 void linphone_core_write_friends_config(LinphoneCore* lc);
198 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
199 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
200
201 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
202 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
203 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
204 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
205 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
206
207 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
208 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
209
210 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
211
212 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
213
214 void linphone_core_play_tone(LinphoneCore *lc);
215
216 void linphone_call_init_media_streams(LinphoneCall *call);
217 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
218 void linphone_call_stop_media_streams(LinphoneCall *call);
219
220 const char * linphone_core_get_identity(LinphoneCore *lc);
221 const char * linphone_core_get_route(LinphoneCore *lc);
222 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
223 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
224 void linphone_core_stop_waiting(LinphoneCore *lc);
225
226 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
227 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
228 extern SalCallbacks linphone_sal_callbacks;
229 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
230 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
231
232
233 struct _LinphoneProxyConfig
234 {
235         struct _LinphoneCore *lc;
236         char *reg_proxy;
237         char *reg_identity;
238         char *reg_route;
239         char *realm;
240         int expires;
241         int reg_time;
242         SalOp *op;
243         char *type;
244         struct _SipSetupContext *ssctx;
245         int auth_failures;
246         char *dial_prefix;
247         LinphoneRegistrationState state;
248         SalOp *publish_op;
249         bool_t commit;
250         bool_t reg_sendregister;
251         bool_t registered;
252         bool_t publish;
253         bool_t dial_escape_plus;
254         void* user_data;
255         time_t deletion_date;
256         LinphoneReason error;
257 };
258
259 struct _LinphoneAuthInfo
260 {
261         char *username;
262         char *realm;
263         char *userid;
264         char *passwd;
265         char *ha1;
266         int usecount;
267         time_t last_use_time;
268         bool_t works;
269 };
270
271 struct _LinphoneChatRoom{
272         struct _LinphoneCore *lc;
273         char  *peer;
274         LinphoneAddress *peer_url;
275         SalOp *op;
276         void * user_data;
277 };
278
279 struct _LinphoneFriend{
280         LinphoneAddress *uri;
281         SalOp *insub;
282         SalOp *outsub;
283         LinphoneSubscribePolicy pol;
284         LinphoneOnlineStatus status;
285         struct _LinphoneCore *lc;
286         BuddyInfo *info;
287         char *refkey;
288         bool_t subscribe;
289         bool_t subscribe_active;
290         bool_t inc_subscribe_pending;
291         bool_t commit;
292 };
293
294
295 typedef struct sip_config
296 {
297         char *contact;
298         char *guessed_contact;
299         MSList *proxies;
300         MSList *deleted_proxies;
301         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
302         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
303         LCSipTransports transports;
304         bool_t use_info;
305         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
306         bool_t guess_hostname;
307         bool_t loopback_only;
308         bool_t ipv6_enabled;
309         bool_t sdp_200_ack;
310         bool_t register_only_when_network_is_up;
311         bool_t ping_with_options;
312         bool_t auto_net_state_mon;
313 } sip_config_t;
314
315 typedef struct rtp_config
316 {
317         int audio_rtp_port;
318         int video_rtp_port;
319         int audio_jitt_comp;  /*jitter compensation*/
320         int video_jitt_comp;  /*jitter compensation*/
321         int nortp_timeout;
322         bool_t rtp_no_xmit_on_audio_mute;
323                               /* stop rtp xmit when audio muted */
324 }rtp_config_t;
325
326
327
328 typedef struct net_config
329 {
330         char *nat_address; /* may be IP or host name */
331         char *nat_address_ip; /* ip translated from nat_address */
332         char *stun_server;
333         char *relay;
334         int download_bw;
335         int upload_bw;
336         int firewall_policy;
337         int mtu;
338         int down_ptime;
339         bool_t nat_sdp_only;
340 }net_config_t;
341
342
343 typedef struct sound_config
344 {
345         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
346         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
347         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
348         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
349         const char **cards;
350         int latency;    /* latency in samples of the current used sound device */
351         char rec_lev;
352         char play_lev;
353         char ring_lev;
354         char soft_play_lev;
355         char source;
356         char *local_ring;
357         char *remote_ring;
358         char *ringback_tone;
359         bool_t ec;
360         bool_t ea;
361         bool_t agc;
362 } sound_config_t;
363
364 typedef struct codecs_config
365 {
366         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
367         MSList *video_codecs;   /* for later use*/
368 }codecs_config_t;
369
370 typedef struct video_config{
371         struct _MSWebCam *device;
372         const char **cams;
373         MSVideoSize vsize;
374         bool_t capture;
375         bool_t show_local;
376         bool_t display;
377         bool_t selfview; /*during calls*/
378         const char *displaytype;
379 }video_config_t;
380
381 typedef struct ui_config
382 {
383         int is_daemon;
384         int is_applet;
385         unsigned int timer_id;  /* the timer id for registration */
386 }ui_config_t;
387
388
389
390 typedef struct autoreplier_config
391 {
392         int enabled;
393         int after_seconds;              /* accept the call after x seconds*/
394         int max_users;                  /* maximum number of user that can call simultaneously */
395         int max_rec_time;       /* the max time of incoming voice recorded */
396         int max_rec_msg;                /* maximum number of recorded messages */
397         const char *message;            /* the path of the file to be played */
398 }autoreplier_config_t;
399
400 struct _LinphoneConference{
401         MSAudioConference *conf;
402         AudioStream *local_participant;
403         MSAudioEndpoint *local_endpoint;
404         bool_t local_muted;
405 };
406
407 typedef struct _LinphoneConference LinphoneConference;
408
409 struct _LinphoneCore
410 {
411         LinphoneCoreVTable vtable;
412         Sal *sal;
413         LinphoneGlobalState state;
414         struct _LpConfig *config;
415         net_config_t net_conf;
416         sip_config_t sip_conf;
417         rtp_config_t rtp_conf;
418         sound_config_t sound_conf;
419         video_config_t video_conf;
420         codecs_config_t codecs_conf;
421         ui_config_t ui_conf;
422         autoreplier_config_t autoreplier_conf;
423         MSList *payload_types;
424         int dyn_pt;
425         LinphoneProxyConfig *default_proxy;
426         MSList *friends;
427         MSList *auth_info;
428         struct _RingStream *ringstream;
429         time_t dmfs_playing_start_time;
430         LCCallbackObj preview_finished_cb;
431         LinphoneCall *current_call;   /* the current call */
432         MSList *calls;                          /* all the processed calls */
433         MSList *queued_calls;   /* used by the autoreplier */
434         MSList *call_logs;
435         MSList *chatrooms;
436         int max_call_logs;
437         int missed_calls;
438         VideoPreview *previewstream;
439         struct _MSEventQueue *msevq;
440         RtpTransport *a_rtp,*a_rtcp;
441         RtpTransport *v_rtp,*v_rtcp;
442         MSList *bl_reqs;
443         MSList *subscribers;    /* unknown subscribers */
444         int minutes_away;
445         LinphoneOnlineStatus presence_mode;
446         char *alt_contact;
447         void *data;
448         char *play_file;
449         char *rec_file;
450         time_t prevtime;
451         int audio_bw;
452         LinphoneWaitingCallback wait_cb;
453         void *wait_ctx;
454         unsigned long video_window_id;
455         unsigned long preview_window_id;
456         time_t netup_time; /*time when network went reachable */
457         struct _EcCalibrator *ecc;
458         MSList *hooks;
459         LinphoneConference conf_ctx;
460         char* zrtp_secrets_cache;
461         bool_t use_files;
462         bool_t apply_nat_settings;
463         bool_t initial_subscribes_sent;
464         bool_t bl_refresh;
465         bool_t preview_finished;
466         bool_t auto_net_state_mon;
467         bool_t network_reachable;
468         bool_t use_preview_window;
469         int device_rotation;
470         bool_t ringstream_autorelease;
471         int max_calls;
472 };
473
474 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
475 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
476 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
477 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
478 int linphone_core_get_calls_nb(const LinphoneCore *lc);
479
480 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
481
482 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
483 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md);
484
485 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
486
487 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
488
489 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
490 void _linphone_core_configure_resolver();
491
492 struct _EcCalibrator{
493         ms_thread_t thread;
494         MSSndCard *play_card,*capt_card;
495         MSFilter *sndread,*det,*rec;
496         MSFilter *play, *gen, *sndwrite,*resampler;
497         MSTicker *ticker;
498         LinphoneEcCalibrationCallback cb;
499         void *cb_data;
500         int recv_count;
501         int sent_count;
502         int64_t acc;
503         int delay;
504         unsigned int rate;
505         LinphoneEcCalibratorStatus status;
506 };
507
508 typedef struct _EcCalibrator EcCalibrator;
509
510 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
511
512 void ec_calibrator_destroy(EcCalibrator *ecc);
513
514 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
515 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
516 /*conferencing subsystem*/
517 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
518 void linphone_call_add_to_conf(LinphoneCall *call);
519 void linphone_call_remove_from_conf(LinphoneCall *call);
520 void linphone_core_conference_check_uninit(LinphoneConference *ctx);
521 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
522
523 #define HOLD_OFF        (0)
524 #define HOLD_ON         (1)
525
526 #ifndef NB_MAX_CALLS
527 #define NB_MAX_CALLS    (10)
528 #endif
529 void call_logs_write_to_config_file(LinphoneCore *lc);
530 #endif /* _PRIVATE_H */