sjero.net Git - linphone/blob - 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 pad;
 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
 230 struct _LinphoneProxyConfig
 231 {
 232         struct _LinphoneCore *lc;
 233         char *reg_proxy;
 234         char *reg_identity;
 235         char *reg_route;
 236         char *realm;
 237         int expires;
 238         int reg_time;
 239         SalOp *op;
 240         char *type;
 241         struct _SipSetupContext *ssctx;
 242         int auth_failures;
 243         char *dial_prefix;
 244         LinphoneRegistrationState state;
 245         SalOp *publish_op;
 246         bool_t commit;
 247         bool_t reg_sendregister;
 248         bool_t registered;
 249         bool_t publish;
 250         bool_t dial_escape_plus;
 251         void* user_data;
 252         time_t deletion_date;
 253         LinphoneReason error;
 254 };
 255
 256 struct _LinphoneAuthInfo
 257 {
 258         char *username;
 259         char *realm;
 260         char *userid;
 261         char *passwd;
 262         char *ha1;
 263         int usecount;
 264         time_t last_use_time;
 265         bool_t works;
 266 };
 267
 268 struct _LinphoneChatRoom{
 269         struct _LinphoneCore *lc;
 270         char  *peer;
 271         LinphoneAddress *peer_url;
 272         SalOp *op;
 273         void * user_data;
 274 };
 275
 276 struct _LinphoneFriend{
 277         LinphoneAddress *uri;
 278         SalOp *insub;
 279         SalOp *outsub;
 280         LinphoneSubscribePolicy pol;
 281         LinphoneOnlineStatus status;
 282         struct _LinphoneCore *lc;
 283         BuddyInfo *info;
 284         char *refkey;
 285         bool_t subscribe;
 286         bool_t subscribe_active;
 287         bool_t inc_subscribe_pending;
 288         bool_t commit;
 289 };
 290
 291
 292 typedef struct sip_config
 293 {
 294         char *contact;
 295         char *guessed_contact;
 296         MSList *proxies;
 297         MSList *deleted_proxies;
 298         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
 299         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
 300         LCSipTransports transports;
 301         bool_t use_info;
 302         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
 303         bool_t guess_hostname;
 304         bool_t loopback_only;
 305         bool_t ipv6_enabled;
 306         bool_t sdp_200_ack;
 307         bool_t register_only_when_network_is_up;
 308         bool_t ping_with_options;
 309         bool_t auto_net_state_mon;
 310 } sip_config_t;
 311
 312 typedef struct rtp_config
 313 {
 314         int audio_rtp_port;
 315         int video_rtp_port;
 316         int audio_jitt_comp;  /*jitter compensation*/
 317         int video_jitt_comp;  /*jitter compensation*/
 318         int nortp_timeout;
 319         bool_t rtp_no_xmit_on_audio_mute;
 320                               /* stop rtp xmit when audio muted */
 321 }rtp_config_t;
 322
 323
 324
 325 typedef struct net_config
 326 {
 327         char *nat_address; /* may be IP or host name */
 328         char *nat_address_ip; /* ip translated from nat_address */
 329         char *stun_server;
 330         char *relay;
 331         int download_bw;
 332         int upload_bw;
 333         int firewall_policy;
 334         int mtu;
 335         int down_ptime;
 336         bool_t nat_sdp_only;
 337 }net_config_t;
 338
 339
 340 typedef struct sound_config
 341 {
 342         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
 343         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
 344         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
 345         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
 346         const char **cards;
 347         int latency;    /* latency in samples of the current used sound device */
 348         char rec_lev;
 349         char play_lev;
 350         char ring_lev;
 351         char soft_play_lev;
 352         char source;
 353         char *local_ring;
 354         char *remote_ring;
 355         char *ringback_tone;
 356         bool_t ec;
 357         bool_t ea;
 358         bool_t agc;
 359 } sound_config_t;
 360
 361 typedef struct codecs_config
 362 {
 363         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
 364         MSList *video_codecs;   /* for later use*/
 365 }codecs_config_t;
 366
 367 typedef struct video_config{
 368         struct _MSWebCam *device;
 369         const char **cams;
 370         MSVideoSize vsize;
 371         bool_t capture;
 372         bool_t show_local;
 373         bool_t display;
 374         bool_t selfview; /*during calls*/
 375         const char *displaytype;
 376 }video_config_t;
 377
 378 typedef struct ui_config
 379 {
 380         int is_daemon;
 381         int is_applet;
 382         unsigned int timer_id;  /* the timer id for registration */
 383 }ui_config_t;
 384
 385
 386
 387 typedef struct autoreplier_config
 388 {
 389         int enabled;
 390         int after_seconds;              /* accept the call after x seconds*/
 391         int max_users;                  /* maximum number of user that can call simultaneously */
 392         int max_rec_time;       /* the max time of incoming voice recorded */
 393         int max_rec_msg;                /* maximum number of recorded messages */
 394         const char *message;            /* the path of the file to be played */
 395 }autoreplier_config_t;
 396
 397 struct _LinphoneConference{
 398         MSAudioConference *conf;
 399         AudioStream *local_participant;
 400         MSAudioEndpoint *local_endpoint;
 401 };
 402
 403 typedef struct _LinphoneConference LinphoneConference;
 404
 405 struct _LinphoneCore
 406 {
 407         LinphoneCoreVTable vtable;
 408         Sal *sal;
 409         LinphoneGlobalState state;
 410         struct _LpConfig *config;
 411         net_config_t net_conf;
 412         sip_config_t sip_conf;
 413         rtp_config_t rtp_conf;
 414         sound_config_t sound_conf;
 415         video_config_t video_conf;
 416         codecs_config_t codecs_conf;
 417         ui_config_t ui_conf;
 418         autoreplier_config_t autoreplier_conf;
 419         MSList *payload_types;
 420         int dyn_pt;
 421         LinphoneProxyConfig *default_proxy;
 422         MSList *friends;
 423         MSList *auth_info;
 424         struct _RingStream *ringstream;
 425         time_t dmfs_playing_start_time;
 426         LCCallbackObj preview_finished_cb;
 427         LinphoneCall *current_call;   /* the current call */
 428         MSList *calls;                          /* all the processed calls */
 429         MSList *queued_calls;   /* used by the autoreplier */
 430         MSList *call_logs;
 431         MSList *chatrooms;
 432         int max_call_logs;
 433         int missed_calls;
 434         VideoPreview *previewstream;
 435         struct _MSEventQueue *msevq;
 436         RtpTransport *a_rtp,*a_rtcp;
 437         RtpTransport *v_rtp,*v_rtcp;
 438         MSList *bl_reqs;
 439         MSList *subscribers;    /* unknown subscribers */
 440         int minutes_away;
 441         LinphoneOnlineStatus presence_mode;
 442         char *alt_contact;
 443         void *data;
 444         char *play_file;
 445         char *rec_file;
 446         time_t prevtime;
 447         int audio_bw;
 448         LinphoneWaitingCallback wait_cb;
 449         void *wait_ctx;
 450         unsigned long video_window_id;
 451         unsigned long preview_window_id;
 452         time_t netup_time; /*time when network went reachable */
 453         struct _EcCalibrator *ecc;
 454         MSList *hooks;
 455         LinphoneConference conf_ctx;
 456         char* zrtp_secrets_cache;
 457         bool_t use_files;
 458         bool_t apply_nat_settings;
 459         bool_t initial_subscribes_sent;
 460         bool_t bl_refresh;
 461         bool_t preview_finished;
 462         bool_t auto_net_state_mon;
 463         bool_t network_reachable;
 464         bool_t use_preview_window;
 465         int device_rotation;
 466         bool_t ringstream_autorelease;
 467 };
 468
 469 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
 470 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
 471 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
 472 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
 473 int linphone_core_get_calls_nb(const LinphoneCore *lc);
 474
 475 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
 476
 477 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call);
 478 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md);
 479
 480 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
 481
 482 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
 483
 484 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
 485 void _linphone_core_configure_resolver();
 486
 487 struct _EcCalibrator{
 488         ms_thread_t thread;
 489         MSSndCard *play_card,*capt_card;
 490         MSFilter *sndread,*det,*rec;
 491         MSFilter *play, *gen, *sndwrite,*resampler;
 492         MSTicker *ticker;
 493         LinphoneEcCalibrationCallback cb;
 494         void *cb_data;
 495         int recv_count;
 496         int sent_count;
 497         int64_t acc;
 498         int delay;
 499         unsigned int rate;
 500         LinphoneEcCalibratorStatus status;
 501 };
 502
 503 typedef struct _EcCalibrator EcCalibrator;
 504
 505 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
 506
 507 void ec_calibrator_destroy(EcCalibrator *ecc);
 508
 509 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
 510 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
 511 /*conferencing subsystem*/
 512 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
 513 void linphone_call_add_to_conf(LinphoneCall *call);
 514 void linphone_call_remove_from_conf(LinphoneCall *call);
 515
 516 #define HOLD_OFF        (0)
 517 #define HOLD_ON         (1)
 518
 519 #ifndef NB_MAX_CALLS
 520 #define NB_MAX_CALLS    (10)
 521 #endif
 522 void call_logs_write_to_config_file(LinphoneCore *lc);
 523 #endif /* _PRIVATE_H */