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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 "sal.h"
30
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34 #include "mediastreamer2/mediastream.h"
35
36 #ifndef LIBLINPHONE_VERSION 
37 #define LIBLINPHONE_VERSION LINPHONE_VERSION
38 #endif
39
40 #ifndef PACKAGE_SOUND_DIR 
41 #define PACKAGE_SOUND_DIR "."
42 #endif
43
44 #ifdef HAVE_GETTEXT
45 #include <libintl.h>
46 #ifndef _
47 #define _(String) gettext(String)
48 #endif
49 #else
50 #ifndef _
51 #define _(something)    (something)
52 #endif
53 #ifndef ngettext
54 #define ngettext(singular, plural, number)      (((number)==1)?(singular):(plural))
55 #endif
56 #endif
57
58
59 struct _LinphoneCallParams{
60         LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
61         int audio_bw; /* bandwidth limit for audio stream */
62         bool_t has_video;
63         bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
64         bool_t pad[2];
65 };
66
67 struct _LinphoneCall
68 {
69         struct _LinphoneCore *core;
70         SalMediaDescription *localdesc;
71         SalMediaDescription *resultdesc;
72         LinphoneCallDir dir;
73         struct _RtpProfile *audio_profile;
74         struct _RtpProfile *video_profile;
75         struct _LinphoneCallLog *log;
76         SalOp *op;
77         SalOp *ping_op;
78         char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
79         time_t start_time; /*time at which the call was initiated*/
80         time_t media_start_time; /*time at which it was accepted, media streams established*/
81         LinphoneCallState       state;
82         LinphoneReason reason;
83         int refcnt;
84         void * user_pointer;
85         int audio_port;
86         int video_port;
87         struct _AudioStream *audiostream;  /**/
88         struct _VideoStream *videostream;
89         char *refer_to;
90         LinphoneCallParams params;
91         int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
92         bool_t refer_pending;
93         bool_t media_pending;
94         bool_t audio_muted;
95         bool_t camera_active;
96         bool_t all_muted; /*this flag is set during early medias*/
97         bool_t playing_ringbacktone;
98 };
99
100
101 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
102 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
103 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
104
105 /* private: */
106 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
107 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call, LinphoneCallStatus status);
108 void linphone_call_log_destroy(LinphoneCallLog *cl);
109
110 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
111
112 void linphone_core_update_proxy_register(LinphoneCore *lc);
113 void linphone_core_refresh_subscribes(LinphoneCore *lc);
114 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
115
116 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
117 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
118
119 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
120 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
121 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
122 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
123 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
124
125
126 int set_lock_file();
127 int get_lock_file();
128 int remove_lock_file();
129 int do_registration(LinphoneCore *lc, bool_t doit);
130 void check_for_registration(LinphoneCore *lc);
131 void check_sound_device(LinphoneCore *lc);
132 void linphone_core_verify_codecs(LinphoneCore *lc);
133 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
134 bool_t host_has_ipv6_network();
135 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
136
137 static inline int get_min_bandwidth(int dbw, int ubw){
138         if (dbw<=0) return ubw;
139         if (ubw<=0) return dbw;
140         return MIN(dbw,ubw);
141 }
142
143 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
144         if (bw1<0) return TRUE;
145         else if (bw2<0) return FALSE;
146         else return bw1>=bw2;
147 }
148
149 static inline void set_string(char **dest, const char *src){
150         if (*dest){
151                 ms_free(*dest);
152                 *dest=NULL;
153         }
154         if (src)
155                 *dest=ms_strdup(src);
156 }
157
158 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
159
160 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
161 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
162 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
163 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
164 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeState ss, SalPresenceStatus status);
165 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
166
167 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
168 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
169
170 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
171
172 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
173 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCore *lc, const PayloadType *pt);
174 void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
175
176 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
177 void linphone_core_write_friends_config(LinphoneCore* lc);
178 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
179 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
180
181 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
182 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
183 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
184 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
185 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
186
187 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
188 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
189
190 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
191
192 void linphone_core_text_received(LinphoneCore *lc, const char *from, const char *msg);
193
194 void linphone_call_init_media_streams(LinphoneCall *call);
195 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
196 void linphone_call_stop_media_streams(LinphoneCall *call);
197
198 const char * linphone_core_get_identity(LinphoneCore *lc);
199 const char * linphone_core_get_route(LinphoneCore *lc);
200 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
201 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
202 void linphone_core_stop_waiting(LinphoneCore *lc);
203
204 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
205 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
206 extern SalCallbacks linphone_sal_callbacks;
207 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
208
209 struct _LinphoneProxyConfig
210 {
211         struct _LinphoneCore *lc;
212         char *reg_proxy;
213         char *reg_identity;
214         char *reg_route;
215         char *realm;
216         int expires;
217         int reg_time;
218         SalOp *op;
219         char *type;
220         struct _SipSetupContext *ssctx;
221         int auth_failures;
222         char *dial_prefix;
223         LinphoneRegistrationState state;
224         SalOp *publish_op;
225         bool_t commit;
226         bool_t reg_sendregister;
227         bool_t registered;
228         bool_t publish;
229         bool_t dial_escape_plus;
230         void* user_data;
231         time_t deletion_date;
232         LinphoneReason error;
233 };
234
235 struct _LinphoneAuthInfo 
236 {
237         char *username;
238         char *realm;
239         char *userid;
240         char *passwd;
241         char *ha1;
242         int usecount;
243         bool_t works;
244 };
245
246 struct _LinphoneChatRoom{
247         struct _LinphoneCore *lc;
248         char  *peer;
249         LinphoneAddress *peer_url;
250         SalOp *op;
251         void * user_data;
252 };
253
254 struct _LinphoneFriend{
255         LinphoneAddress *uri;
256         SalOp *insub;
257         SalOp *outsub;
258         LinphoneSubscribePolicy pol;
259         LinphoneOnlineStatus status;
260         struct _LinphoneCore *lc;
261         BuddyInfo *info;
262         char *refkey;
263         bool_t subscribe;
264         bool_t subscribe_active;
265         bool_t inc_subscribe_pending;
266         bool_t commit;
267 };      
268
269
270 typedef struct sip_config
271 {
272         char *contact;
273         char *guessed_contact;
274         MSList *proxies;
275         MSList *deleted_proxies;
276         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
277         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
278         LCSipTransports transports;
279         bool_t use_info;
280         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
281         bool_t guess_hostname;
282         bool_t loopback_only;
283         bool_t ipv6_enabled;
284         bool_t sdp_200_ack;
285         bool_t register_only_when_network_is_up;
286         bool_t ping_with_options;
287         bool_t auto_net_state_mon;
288 } sip_config_t;
289
290 typedef struct rtp_config
291 {
292         int audio_rtp_port;
293         int video_rtp_port;
294         int audio_jitt_comp;  /*jitter compensation*/
295         int video_jitt_comp;  /*jitter compensation*/
296         int nortp_timeout;
297         bool_t rtp_no_xmit_on_audio_mute;                              
298                               /* stop rtp xmit when audio muted */
299 }rtp_config_t;
300
301
302
303 typedef struct net_config
304 {
305         char *nat_address;
306         char *stun_server;
307         char *relay;
308         int download_bw;
309         int upload_bw;
310         int firewall_policy;
311         int mtu;
312         int down_ptime;
313         bool_t nat_sdp_only;
314 }net_config_t;
315
316
317 typedef struct sound_config
318 {
319         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
320         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
321         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
322         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
323         const char **cards;
324         int latency;    /* latency in samples of the current used sound device */
325         char rec_lev;
326         char play_lev;
327         char ring_lev;
328         char soft_play_lev;
329         char source;
330         char *local_ring;
331         char *remote_ring;
332         char *ringback_tone;
333         bool_t ec;
334         bool_t ea;
335         bool_t agc;
336 } sound_config_t;
337
338 typedef struct codecs_config
339 {
340         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
341         MSList *video_codecs;   /* for later use*/
342 }codecs_config_t;
343
344 typedef struct video_config{
345         struct _MSWebCam *device;
346         const char **cams;
347         MSVideoSize vsize;
348         bool_t capture;
349         bool_t show_local;
350         bool_t display;
351         bool_t selfview; /*during calls*/
352         const char *displaytype;
353 }video_config_t;
354
355 typedef struct ui_config
356 {
357         int is_daemon;
358         int is_applet;
359         unsigned int timer_id;  /* the timer id for registration */
360 }ui_config_t;
361
362
363
364 typedef struct autoreplier_config
365 {
366         int enabled;
367         int after_seconds;              /* accept the call after x seconds*/
368         int max_users;                  /* maximum number of user that can call simultaneously */
369         int max_rec_time;       /* the max time of incoming voice recorded */
370         int max_rec_msg;                /* maximum number of recorded messages */
371         const char *message;            /* the path of the file to be played */
372 }autoreplier_config_t;
373
374
375 struct _LinphoneCore
376 {
377         LinphoneCoreVTable vtable;
378         Sal *sal;
379         LinphoneGlobalState state;
380         struct _LpConfig *config;
381         net_config_t net_conf;
382         sip_config_t sip_conf;
383         rtp_config_t rtp_conf;
384         sound_config_t sound_conf;
385         video_config_t video_conf;
386         codecs_config_t codecs_conf;
387         ui_config_t ui_conf;
388         autoreplier_config_t autoreplier_conf;
389         LinphoneProxyConfig *default_proxy;
390         MSList *friends;
391         MSList *auth_info;
392         struct _RingStream *ringstream;
393         time_t dmfs_playing_start_time;
394         LCCallbackObj preview_finished_cb;
395         LinphoneCall *current_call;   /* the current call */
396         MSList *calls;                          /* all the processed calls */
397         MSList *queued_calls;   /* used by the autoreplier */
398         MSList *call_logs;
399         MSList *chatrooms;
400         int max_call_logs;
401         int missed_calls;
402         VideoPreview *previewstream;
403         struct _MSEventQueue *msevq;
404         RtpTransport *a_rtp,*a_rtcp;
405         MSList *bl_reqs;
406         MSList *subscribers;    /* unknown subscribers */
407         int minutes_away;
408         LinphoneOnlineStatus presence_mode;
409         char *alt_contact;
410         void *data;
411         char *play_file;
412         char *rec_file;
413         time_t prevtime;
414         int dw_audio_bw;
415         int up_audio_bw;
416         int dw_video_bw;
417         int up_video_bw;
418         int audio_bw;
419         LinphoneWaitingCallback wait_cb;
420         void *wait_ctx;
421         unsigned long video_window_id;
422         unsigned long preview_window_id;
423         time_t netup_time; /*time when network went reachable */
424         bool_t use_files;
425         bool_t apply_nat_settings;
426         bool_t initial_subscribes_sent;
427         bool_t bl_refresh;
428         bool_t preview_finished;
429         bool_t auto_net_state_mon;
430         bool_t network_reachable;
431         bool_t use_preview_window;
432 };
433
434 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
435 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
436 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
437 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
438 int linphone_core_get_calls_nb(const LinphoneCore *lc);
439
440 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
441
442 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
443
444 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
445
446 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
447
448 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
449 void _linphone_core_configure_resolver();
450
451 #define HOLD_OFF        (0)
452 #define HOLD_ON         (1)
453
454 #ifndef NB_MAX_CALLS
455 #define NB_MAX_CALLS    (10)
456 #endif
457
458 #endif /* _PRIVATE_H */