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implement notifications when doing transfers
[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 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 #include "linphonecore.h"
31 #include "linphone_tunnel.h"
32 #include "linphonecore_utils.h"
33 #include "sal.h"
34
35 #ifdef HAVE_CONFIG_H
36 #include "config.h"
37 #endif
38 #include "mediastreamer2/mediastream.h"
39 #include "mediastreamer2/msconference.h"
40
41 #ifndef LIBLINPHONE_VERSION
42 #define LIBLINPHONE_VERSION LINPHONE_VERSION
43 #endif
44
45 #ifndef PACKAGE_SOUND_DIR
46 #define PACKAGE_SOUND_DIR "."
47 #endif
48
49 #ifndef PACKAGE_DATA_DIR
50 #define PACKAGE_DATA_DIR "."
51 #endif
52
53 #ifdef HAVE_GETTEXT
54 #include <libintl.h>
55 #ifndef _
56 #define _(String) gettext(String)
57 #endif
58 #else
59 #ifndef _
60 #define _(something)    (something)
61 #endif
62 #ifndef ngettext
63 #define ngettext(singular, plural, number)      (((number)==1)?(singular):(plural))
64 #endif
65 #endif
66
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         bool_t has_video;
72         bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
73         bool_t in_conference; /*in conference mode */
74         bool_t pad;
75         
76 };
77
78 static const int linphone_call_magic=0x3343;
79
80 struct _LinphoneCall
81 {
82         int magic; /*used to distinguish from proxy config*/
83         struct _LinphoneCore *core;
84         SalMediaDescription *localdesc;
85         SalMediaDescription *resultdesc;
86         LinphoneCallDir dir;
87         LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
88         struct _RtpProfile *audio_profile;
89         struct _RtpProfile *video_profile;
90         struct _LinphoneCallLog *log;
91         SalOp *op;
92         SalOp *ping_op;
93         char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
94         time_t start_time; /*time at which the call was initiated*/
95         time_t media_start_time; /*time at which it was accepted, media streams established*/
96         LinphoneCallState       state;
97         LinphoneReason reason;
98         int refcnt;
99         void * user_pointer;
100         int audio_port;
101         int video_port;
102         struct _AudioStream *audiostream;  /**/
103         struct _VideoStream *videostream;
104         MSAudioEndpoint *endpoint; /*used for conferencing*/
105         char *refer_to;
106         LinphoneCallParams params;
107         LinphoneCallParams current_params;
108         LinphoneCallParams remote_params;
109         int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
110         int audio_bw;   /*upload bandwidth used by audio */
111         bool_t refer_pending;
112         bool_t media_pending;
113         bool_t audio_muted;
114         bool_t camera_active;
115         bool_t all_muted; /*this flag is set during early medias*/
116         bool_t playing_ringbacktone;
117         bool_t owns_call_log;
118         bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
119         OrtpEvQueue *audiostream_app_evq;
120         char *auth_token;
121         OrtpEvQueue *videostream_app_evq;
122         bool_t videostream_encrypted;
123         bool_t audiostream_encrypted;
124         bool_t auth_token_verified;
125         bool_t defer_update;
126         bool_t was_automatically_paused;
127 };
128
129
130 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
131 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
132 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
133
134 /* private: */
135 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
136 void linphone_call_log_completed(LinphoneCall *call);
137 void linphone_call_log_destroy(LinphoneCallLog *cl);
138
139 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
140
141 void linphone_core_update_proxy_register(LinphoneCore *lc);
142 void linphone_core_refresh_subscribes(LinphoneCore *lc);
143 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
144
145 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
146 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
147
148 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
149 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
150 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
151 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
152 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
153
154 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
155 int set_lock_file();
156 int get_lock_file();
157 int remove_lock_file();
158 int do_registration(LinphoneCore *lc, bool_t doit);
159 void check_for_registration(LinphoneCore *lc);
160 void check_sound_device(LinphoneCore *lc);
161 void linphone_core_verify_codecs(LinphoneCore *lc);
162 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
163 bool_t host_has_ipv6_network();
164 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
165
166 static inline int get_min_bandwidth(int dbw, int ubw){
167         if (dbw<=0) return ubw;
168         if (ubw<=0) return dbw;
169         return MIN(dbw,ubw);
170 }
171
172 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
173         if (bw1<0) return TRUE;
174         else if (bw2<0) return FALSE;
175         else return bw1>=bw2;
176 }
177
178 static inline int get_video_bandwidth(int total, int audio){
179         if (total<=0) return 0;
180         return total-audio-10;
181 }
182
183 static inline void set_string(char **dest, const char *src){
184         if (*dest){
185                 ms_free(*dest);
186                 *dest=NULL;
187         }
188         if (src)
189                 *dest=ms_strdup(src);
190 }
191
192 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
193
194 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
195 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
196 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
197 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
198 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
199 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
200
201 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
202 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
203
204 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
205
206 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
207 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
208 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
209
210 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
211 void linphone_core_write_friends_config(LinphoneCore* lc);
212 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
213 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
214
215 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
216 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
217 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
218 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
219 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
220
221 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
222 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
223
224 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
225
226 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
227
228 void linphone_core_play_tone(LinphoneCore *lc);
229
230 void linphone_call_init_media_streams(LinphoneCall *call);
231 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
232 void linphone_call_stop_media_streams(LinphoneCall *call);
233
234 const char * linphone_core_get_identity(LinphoneCore *lc);
235 const char * linphone_core_get_route(LinphoneCore *lc);
236 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
237 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
238 void linphone_core_stop_waiting(LinphoneCore *lc);
239
240 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
241 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
242 extern SalCallbacks linphone_sal_callbacks;
243 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
244 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
245
246 LinphoneCall * is_a_linphone_call(void *user_pointer);
247 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
248
249 static const int linphone_proxy_config_magic=0x7979;
250
251 struct _LinphoneProxyConfig
252 {
253         int magic;
254         struct _LinphoneCore *lc;
255         char *reg_proxy;
256         char *reg_identity;
257         char *reg_route;
258         char *realm;
259         int expires;
260         int reg_time;
261         SalOp *op;
262         char *type;
263         struct _SipSetupContext *ssctx;
264         int auth_failures;
265         char *dial_prefix;
266         LinphoneRegistrationState state;
267         SalOp *publish_op;
268         bool_t commit;
269         bool_t reg_sendregister;
270         bool_t publish;
271         bool_t dial_escape_plus;
272         void* user_data;
273         time_t deletion_date;
274         LinphoneReason error;
275 };
276
277 struct _LinphoneAuthInfo
278 {
279         char *username;
280         char *realm;
281         char *userid;
282         char *passwd;
283         char *ha1;
284         int usecount;
285         time_t last_use_time;
286         bool_t works;
287 };
288
289 struct _LinphoneChatRoom{
290         struct _LinphoneCore *lc;
291         char  *peer;
292         LinphoneAddress *peer_url;
293         SalOp *op;
294         void * user_data;
295 };
296
297 struct _LinphoneFriend{
298         LinphoneAddress *uri;
299         SalOp *insub;
300         SalOp *outsub;
301         LinphoneSubscribePolicy pol;
302         LinphoneOnlineStatus status;
303         struct _LinphoneCore *lc;
304         BuddyInfo *info;
305         char *refkey;
306         bool_t subscribe;
307         bool_t subscribe_active;
308         bool_t inc_subscribe_pending;
309         bool_t commit;
310 };
311
312
313 typedef struct sip_config
314 {
315         char *contact;
316         char *guessed_contact;
317         MSList *proxies;
318         MSList *deleted_proxies;
319         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
320         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
321         LCSipTransports transports;
322         bool_t use_info;
323         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
324         bool_t guess_hostname;
325         bool_t loopback_only;
326         bool_t ipv6_enabled;
327         bool_t sdp_200_ack;
328         bool_t register_only_when_network_is_up;
329         bool_t ping_with_options;
330         bool_t auto_net_state_mon;
331 } sip_config_t;
332
333 typedef struct rtp_config
334 {
335         int audio_rtp_port;
336         int video_rtp_port;
337         int audio_jitt_comp;  /*jitter compensation*/
338         int video_jitt_comp;  /*jitter compensation*/
339         int nortp_timeout;
340         bool_t rtp_no_xmit_on_audio_mute;
341                               /* stop rtp xmit when audio muted */
342 }rtp_config_t;
343
344
345
346 typedef struct net_config
347 {
348         char *nat_address; /* may be IP or host name */
349         char *nat_address_ip; /* ip translated from nat_address */
350         char *stun_server;
351         char *relay;
352         int download_bw;
353         int upload_bw;
354         int firewall_policy;
355         int mtu;
356         int down_ptime;
357         bool_t nat_sdp_only;
358 }net_config_t;
359
360
361 typedef struct sound_config
362 {
363         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
364         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
365         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
366         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
367         const char **cards;
368         int latency;    /* latency in samples of the current used sound device */
369         char rec_lev;
370         char play_lev;
371         char ring_lev;
372         char soft_play_lev;
373         char source;
374         char *local_ring;
375         char *remote_ring;
376         char *ringback_tone;
377         bool_t ec;
378         bool_t ea;
379         bool_t agc;
380 } sound_config_t;
381
382 typedef struct codecs_config
383 {
384         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
385         MSList *video_codecs;   /* for later use*/
386 }codecs_config_t;
387
388 typedef struct video_config{
389         struct _MSWebCam *device;
390         const char **cams;
391         MSVideoSize vsize;
392         bool_t capture;
393         bool_t show_local;
394         bool_t display;
395         bool_t selfview; /*during calls*/
396         const char *displaytype;
397 }video_config_t;
398
399 typedef struct ui_config
400 {
401         int is_daemon;
402         int is_applet;
403         unsigned int timer_id;  /* the timer id for registration */
404 }ui_config_t;
405
406
407
408 typedef struct autoreplier_config
409 {
410         int enabled;
411         int after_seconds;              /* accept the call after x seconds*/
412         int max_users;                  /* maximum number of user that can call simultaneously */
413         int max_rec_time;       /* the max time of incoming voice recorded */
414         int max_rec_msg;                /* maximum number of recorded messages */
415         const char *message;            /* the path of the file to be played */
416 }autoreplier_config_t;
417
418 struct _LinphoneConference{
419         MSAudioConference *conf;
420         AudioStream *local_participant;
421         MSAudioEndpoint *local_endpoint;
422         RtpProfile *local_dummy_profile;
423         bool_t local_muted;
424 };
425
426 typedef struct _LinphoneConference LinphoneConference;
427
428 struct _LinphoneCore
429 {
430         LinphoneCoreVTable vtable;
431         Sal *sal;
432         LinphoneGlobalState state;
433         struct _LpConfig *config;
434         net_config_t net_conf;
435         sip_config_t sip_conf;
436         rtp_config_t rtp_conf;
437         sound_config_t sound_conf;
438         video_config_t video_conf;
439         codecs_config_t codecs_conf;
440         ui_config_t ui_conf;
441         autoreplier_config_t autoreplier_conf;
442         MSList *payload_types;
443         int dyn_pt;
444         LinphoneProxyConfig *default_proxy;
445         MSList *friends;
446         MSList *auth_info;
447         struct _RingStream *ringstream;
448         time_t dmfs_playing_start_time;
449         LCCallbackObj preview_finished_cb;
450         LinphoneCall *current_call;   /* the current call */
451         MSList *calls;                          /* all the processed calls */
452         MSList *queued_calls;   /* used by the autoreplier */
453         MSList *call_logs;
454         MSList *chatrooms;
455         int max_call_logs;
456         int missed_calls;
457         VideoPreview *previewstream;
458         struct _MSEventQueue *msevq;
459         LinphoneRtpTransportFactories *rtptf;
460         MSList *bl_reqs;
461         MSList *subscribers;    /* unknown subscribers */
462         int minutes_away;
463         LinphoneOnlineStatus presence_mode;
464         char *alt_contact;
465         void *data;
466         char *play_file;
467         char *rec_file;
468         time_t prevtime;
469         int audio_bw;
470         LinphoneWaitingCallback wait_cb;
471         void *wait_ctx;
472         unsigned long video_window_id;
473         unsigned long preview_window_id;
474         time_t netup_time; /*time when network went reachable */
475         struct _EcCalibrator *ecc;
476         MSList *hooks;
477         LinphoneConference conf_ctx;
478         char* zrtp_secrets_cache;
479         LinphoneVideoPolicy video_policy;
480         bool_t use_files;
481         bool_t apply_nat_settings;
482         bool_t initial_subscribes_sent;
483         bool_t bl_refresh;
484         
485         bool_t preview_finished;
486         bool_t auto_net_state_mon;
487         bool_t network_reachable;
488         bool_t use_preview_window;
489         
490         bool_t ringstream_autorelease;
491         bool_t pad[3];
492         int device_rotation;
493         int max_calls;
494         LinphoneTunnel *tunnel;
495 };
496
497 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
498 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
499 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
500 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
501         
502 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
503 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
504 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
505 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
506 int linphone_core_get_calls_nb(const LinphoneCore *lc);
507
508 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
509
510 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
511 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call);
512
513 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
514
515 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
516
517 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
518 void _linphone_core_configure_resolver();
519
520 struct _EcCalibrator{
521         ms_thread_t thread;
522         MSSndCard *play_card,*capt_card;
523         MSFilter *sndread,*det,*rec;
524         MSFilter *play, *gen, *sndwrite,*resampler;
525         MSTicker *ticker;
526         LinphoneEcCalibrationCallback cb;
527         void *cb_data;
528         int recv_count;
529         int sent_count;
530         int64_t acc;
531         int delay;
532         unsigned int rate;
533         LinphoneEcCalibratorStatus status;
534 };
535
536 typedef struct _EcCalibrator EcCalibrator;
537
538 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
539
540 void ec_calibrator_destroy(EcCalibrator *ecc);
541
542 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
543 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
544 /*conferencing subsystem*/
545 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
546 /* When a conference participant pause the conference he may send a music.
547  * We don't want to hear that music or to send it to the other participants.
548  * Use muted=yes to handle this case.
549  */
550 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
551 void linphone_call_remove_from_conf(LinphoneCall *call);
552 void linphone_core_conference_check_uninit(LinphoneCore *lc);
553 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
554 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
555
556 void __linphone_core_invalidate_registers(LinphoneCore* lc);
557
558 #define HOLD_OFF        (0)
559 #define HOLD_ON         (1)
560
561 #ifndef NB_MAX_CALLS
562 #define NB_MAX_CALLS    (10)
563 #endif
564 void call_logs_write_to_config_file(LinphoneCore *lc);
565
566
567
568 #ifdef __cplusplus
569 }
570 #endif
571
572 #endif /* _PRIVATE_H */