/* $Id$ */ /* * Copyright (C) 2003-2006 Benny Prijono * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __PJSUA_H__ #define __PJSUA_H__ /* Include all PJSIP core headers. */ #include /* Include all PJMEDIA headers. */ #include /* Include all PJMEDIA-CODEC headers. */ #include /* Include all PJSIP-UA headers */ #include /* Include all PJSIP-SIMPLE headers */ #include /* Include all PJLIB-UTIL headers. */ #include /* Include all PJLIB headers. */ #include PJ_BEGIN_DECL /** * Max buddies in buddy list. */ #define PJSUA_MAX_BUDDIES 32 /** * Structure to be attached to all dialog. * Given a dialog "dlg", application can retrieve this structure * by accessing dlg->mod_data[pjsua.mod.id]. */ struct pjsua_inv_data { PJ_DECL_LIST_MEMBER(struct pjsua_inv_data); pjsip_inv_session *inv; pjmedia_session *session; void *mod_data[PJSIP_MAX_MODULE]; }; /** * Buddy data. */ struct pjsua_buddy { pj_str_t uri; /**< Buddy URI */ pj_bool_t monitor; /**< Should we monitor? */ pjsip_evsub *sub; /**< Buddy presence subscription */ pjsip_pres_status status; /**< Buddy presence status. */ }; typedef struct pjsua_buddy pjsua_buddy; /** * Server presence subscription list head. */ struct pjsua_srv_pres { PJ_DECL_LIST_MEMBER(struct pjsua_srv_pres); pjsip_evsub *sub; char *remote; }; typedef struct pjsua_srv_pres pjsua_srv_pres; /* PJSUA application variables. */ struct pjsua { /* Control: */ pj_caching_pool cp; /**< Global pool factory. */ pjsip_endpoint *endpt; /**< Global endpoint. */ pj_pool_t *pool; /**< pjsua's private pool. */ pjsip_module mod; /**< pjsua's PJSIP module. */ /* Media: */ pjmedia_endpt *med_endpt; /**< Media endpoint. */ pj_bool_t null_audio; pjmedia_sock_info med_skinfo; /* User info: */ pj_str_t local_uri; /**< Uri in From: header. */ pj_str_t contact_uri; /**< Uri in Contact: header. */ /* Proxy URLs: */ pj_str_t proxy; pj_str_t outbound_proxy; pjsip_route_hdr route_set; /* Registration: */ pj_str_t registrar_uri; pjsip_regc *regc; pj_int32_t reg_timeout; pj_timer_entry regc_timer; int regc_last_code;/**< Last status last register. */ /* Authentication credentials: */ unsigned cred_count; pjsip_cred_info cred_info[4]; /* Threading: */ int thread_cnt; /**< Thread count. */ pj_thread_t *threads[8]; /**< Thread instances. */ pj_bool_t quit_flag; /**< To signal thread to quit. */ /* Transport (UDP): */ pj_uint16_t sip_port; /**< SIP signaling port. */ pj_sock_t sip_sock; /**< SIP UDP socket. */ pj_sockaddr_in sip_sock_name; /**< Public/STUN UDP socket addr. */ /* STUN: */ pj_str_t stun_srv1; int stun_port1; pj_str_t stun_srv2; int stun_port2; /* Misc: */ int log_level; /**< Logging verbosity. */ int app_log_level; /**< stdout log verbosity. */ unsigned log_decor; /**< Log decoration. */ char *log_filename; /**< Log filename. */ /* List of invite sessions: */ struct pjsua_inv_data inv_list; /* SIMPLE and buddy status: */ pj_bool_t online_status; /**< Out online status. */ pjsua_srv_pres pres_srv_list; /**< Server subscription list. */ unsigned buddy_cnt; pjsua_buddy buddies[PJSUA_MAX_BUDDIES]; }; /** PJSUA instance. */ extern struct pjsua pjsua; /***************************************************************************** * PJSUA API (defined in pjsua_core.c). */ /** * Initialize pjsua settings with default parameters. */ void pjsua_default(void); /** * Display error message for the specified error code. */ void pjsua_perror(const char *title, pj_status_t status); /** * Initialize pjsua application. Application can call this before parsing * application settings. * * This will initialize all libraries, create endpoint instance, and register * pjsip modules. Transport will NOT be created however. * * Application may register module after calling this function. */ pj_status_t pjsua_init(void); /** * Start pjsua stack. Application calls this after pjsua settings has been * configured. * * This will start the transport, worker threads (if any), and registration * process, if registration is configured. */ pj_status_t pjsua_start(void); /** * Destroy pjsua. */ pj_status_t pjsua_destroy(void); /***************************************************************************** * PJSUA Invite session API (defined in pjsua_inv.c). */ /** * Make outgoing call. */ pj_status_t pjsua_invite(const char *cstr_dest_uri, pjsip_inv_session **p_inv); /** * Handle incoming invite request. */ pj_bool_t pjsua_inv_on_incoming(pjsip_rx_data *rdata); /** * Callback to be called by session when invite session's state has changed. */ void pjsua_inv_on_state_changed(pjsip_inv_session *inv, pjsip_event *e); /** * Callback to be called by session when outgoing dialog has forked. * This function will create a forked dialog. */ void pjsua_inv_on_new_session(pjsip_inv_session *inv, pjsip_event *e); /** * Callback to be called when SDP offer/answer negotiation has just completed * in the session. This function will start/update media if negotiation * has succeeded. */ void pjsua_inv_on_media_update(pjsip_inv_session *inv, pj_status_t status); /** * Terminate all calls. */ void pjsua_inv_shutdown(void); /***************************************************************************** * PJSUA Client Registration API (defined in pjsua_reg.c). */ /** * Initialize client registration session. * * @param app_callback Optional callback */ pj_status_t pjsua_regc_init(void); /** * Update registration or perform unregistration. If renew argument is zero, * this will start unregistration process. */ void pjsua_regc_update(pj_bool_t renew); /***************************************************************************** * PJSUA Presence (pjsua_pres.c) */ /** * Init presence. */ pj_status_t pjsua_pres_init(); /** * Refresh both presence client and server subscriptions. */ void pjsua_pres_refresh(void); /** * Terminate all subscriptions */ void pjsua_pres_shutdown(void); /** * Dump presence subscriptions. */ void pjsua_pres_dump(void); /***************************************************************************** * User Interface API. * * The UI API specifies functions that will be called by pjsua upon * occurence of various events. */ /** * Notify UI when invite state has changed. */ void pjsua_ui_inv_on_state_changed(pjsip_inv_session *inv, pjsip_event *e); /** * Notify UI when registration status has changed. */ void pjsua_ui_regc_on_state_changed(int code); /***************************************************************************** * Utilities. * */ /** String to describe invite session states */ extern const char *pjsua_inv_state_names[]; /** * Parse arguments (pjsua_opt.c). */ pj_status_t pjsua_parse_args(int argc, char *argv[]); /** * Load settings from a file. */ pj_status_t pjsua_load_settings(const char *filename); /** * Save settings to a file. */ pj_status_t pjsua_save_settings(const char *filename); /* * Verify that valid SIP url is given. * @return PJ_SUCCESS if valid. */ pj_status_t pjsua_verify_sip_url(const char *c_url); /* * Dump application states. */ void pjsua_dump(void); PJ_END_DECL #endif /* __PJSUA_H__ */