516 lines
15 KiB
C
516 lines
15 KiB
C
/* $Id$ */
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/*
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJSUA_INTERNAL_H__
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#define __PJSUA_INTERNAL_H__
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/**
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* This is the private header used by pjsua library implementation.
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* Applications should not include this file.
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*/
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PJ_BEGIN_DECL
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/**
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* Media transport state.
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*/
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typedef enum pjsua_med_tp_st
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{
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/** Not initialized */
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PJSUA_MED_TP_IDLE,
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/** Initialized (media_create() has been called) */
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PJSUA_MED_TP_INIT,
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/** Running (media_start() has been called) */
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PJSUA_MED_TP_RUNNING
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} pjsua_med_tp_st;
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/**
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* Structure to be attached to invite dialog.
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* Given a dialog "dlg", application can retrieve this structure
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* by accessing dlg->mod_data[pjsua.mod.id].
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*/
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typedef struct pjsua_call
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{
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unsigned index; /**< Index in pjsua array. */
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pjsip_inv_session *inv; /**< The invite session. */
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void *user_data; /**< User/application data. */
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pjsip_status_code last_code; /**< Last status code seen. */
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pj_str_t last_text; /**< Last status text seen. */
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pj_time_val start_time;/**< First INVITE sent/received. */
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pj_time_val res_time; /**< First response sent/received. */
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pj_time_val conn_time; /**< Connected/confirmed time. */
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pj_time_val dis_time; /**< Disconnect time. */
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pjsua_acc_id acc_id; /**< Account index being used. */
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int secure_level;/**< Signaling security level. */
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pj_bool_t local_hold;/**< Flag for call-hold by local. */
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pjsua_call_media_status media_st;/**< Media state. */
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pjmedia_dir media_dir; /**< Media direction. */
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pjmedia_session *session; /**< The media session. */
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int audio_idx; /**< Index of m=audio in SDP. */
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pj_uint32_t ssrc; /**< RTP SSRC */
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pj_uint32_t rtp_tx_ts; /**< Initial RTP timestamp for sender. */
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pj_uint16_t rtp_tx_seq;/**< Initial RTP sequence for sender. */
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pj_uint8_t rtp_tx_seq_ts_set;
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/**< Bitmask flags if initial RTP sequence
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and/or timestamp for sender are set.
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bit 0/LSB : sequence flag
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bit 1 : timestamp flag */
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int conf_slot; /**< Slot # in conference bridge. */
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pjsip_evsub *xfer_sub; /**< Xfer server subscription, if this
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call was triggered by xfer. */
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pjmedia_transport *med_tp; /**< Current media transport. */
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pj_status_t med_tp_ready;/**< Media transport status. */
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pjmedia_transport *med_orig; /**< Original media transport */
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pj_bool_t med_tp_auto_del; /**< May delete media transport */
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pjsua_med_tp_st med_tp_st; /**< Media transport state */
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pj_timer_entry refresh_tm;/**< Timer to send re-INVITE. */
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pj_timer_entry hangup_tm; /**< Timer to hangup call. */
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pj_stun_nat_type rem_nat_type; /**< NAT type of remote endpoint. */
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pjmedia_srtp_use rem_srtp_use; /**< Remote's SRTP usage policy. */
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char last_text_buf_[128]; /**< Buffer for last_text. */
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} pjsua_call;
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/**
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* Server presence subscription list head.
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*/
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struct pjsua_srv_pres
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{
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PJ_DECL_LIST_MEMBER(struct pjsua_srv_pres);
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pjsip_evsub *sub; /**< The evsub. */
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char *remote; /**< Remote URI. */
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int acc_id; /**< Account ID. */
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pjsip_dialog *dlg; /**< Dialog. */
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int expires; /**< "expires" value in the request. */
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};
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/**
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* Account
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*/
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typedef struct pjsua_acc
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{
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pj_pool_t *pool; /**< Pool for this account. */
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pjsua_acc_config cfg; /**< Account configuration. */
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pj_bool_t valid; /**< Is this account valid? */
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int index; /**< Index in accounts array. */
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pj_str_t display; /**< Display name, if any. */
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pj_str_t user_part; /**< User part of local URI. */
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pj_str_t contact; /**< Our Contact URI for REGISTER */
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pj_str_t srv_domain; /**< Host part of reg server. */
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int srv_port; /**< Port number of reg server. */
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pjsip_regc *regc; /**< Client registration session. */
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pj_status_t reg_last_err; /**< Last registration error. */
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int reg_last_code; /**< Last status last register. */
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pj_timer_entry ka_timer; /**< Keep-alive timer for UDP. */
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pjsip_transport *ka_transport; /**< Transport for keep-alive. */
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pj_sockaddr ka_target; /**< Destination address for K-A */
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unsigned ka_target_len; /**< Length of ka_target. */
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pjsip_route_hdr route_set; /**< Complete route set inc. outbnd.*/
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unsigned cred_cnt; /**< Number of credentials. */
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pjsip_cred_info cred[PJSUA_ACC_MAX_PROXIES]; /**< Complete creds. */
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pj_bool_t online_status; /**< Our online status. */
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pjrpid_element rpid; /**< RPID element information. */
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pjsua_srv_pres pres_srv_list; /**< Server subscription list. */
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pjsip_publishc *publish_sess; /**< Client publication session. */
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pj_bool_t publish_state; /**< Last published online status */
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} pjsua_acc;
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/**
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*Transport.
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*/
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typedef struct pjsua_transport_data
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{
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int index;
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pjsip_transport_type_e type;
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pjsip_host_port local_name;
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union {
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pjsip_transport *tp;
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pjsip_tpfactory *factory;
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void *ptr;
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} data;
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} pjsua_transport_data;
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/** Maximum length of subscription termination reason. */
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#define PJSUA_BUDDY_SUB_TERM_REASON_LEN 32
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/**
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* Buddy data.
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*/
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typedef struct pjsua_buddy
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{
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pj_pool_t *pool; /**< Pool for this buddy. */
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unsigned index; /**< Buddy index. */
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void *user_data; /**< Application data. */
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pj_str_t uri; /**< Buddy URI. */
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pj_str_t contact; /**< Contact learned from subscrp. */
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pj_str_t name; /**< Buddy name. */
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pj_str_t display; /**< Buddy display name. */
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pj_str_t host; /**< Buddy host. */
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unsigned port; /**< Buddy port. */
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pj_bool_t monitor; /**< Should we monitor? */
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pjsip_dialog *dlg; /**< The underlying dialog. */
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pjsip_evsub *sub; /**< Buddy presence subscription */
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pj_str_t term_reason;/**< Subscription termination reason */
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pjsip_pres_status status; /**< Buddy presence status. */
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} pjsua_buddy;
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/**
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* File player/recorder data.
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*/
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typedef struct pjsua_file_data
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{
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pj_bool_t type; /* 0=player, 1=playlist */
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pjmedia_port *port;
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pj_pool_t *pool;
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unsigned slot;
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} pjsua_file_data;
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/**
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* Additional parameters for conference bridge.
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*/
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typedef struct pjsua_conf_setting
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{
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unsigned channel_count;
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unsigned samples_per_frame;
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unsigned bits_per_sample;
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} pjsua_conf_setting;
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/**
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* Global pjsua application data.
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*/
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struct pjsua_data
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{
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/* Control: */
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pj_caching_pool cp; /**< Global pool factory. */
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pj_pool_t *pool; /**< pjsua's private pool. */
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pj_mutex_t *mutex; /**< Mutex protection for this data */
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/* Logging: */
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pjsua_logging_config log_cfg; /**< Current logging config. */
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pj_oshandle_t log_file; /**<Output log file handle */
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/* SIP: */
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pjsip_endpoint *endpt; /**< Global endpoint. */
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pjsip_module mod; /**< pjsua's PJSIP module. */
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pjsua_transport_data tpdata[8]; /**< Array of transports. */
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/* Threading: */
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pj_bool_t thread_quit_flag; /**< Thread quit flag. */
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pj_thread_t *thread[4]; /**< Array of threads. */
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/* STUN and resolver */
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pj_stun_config stun_cfg; /**< Global STUN settings. */
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pj_sockaddr stun_srv; /**< Resolved STUN server address */
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pj_status_t stun_status; /**< STUN server status. */
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pj_dns_resolver *resolver; /**< DNS resolver. */
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/* Detected NAT type */
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pj_stun_nat_type nat_type; /**< NAT type. */
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pj_status_t nat_status; /**< Detection status. */
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pj_bool_t nat_in_progress; /**< Detection in progress */
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/* Account: */
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unsigned acc_cnt; /**< Number of accounts. */
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pjsua_acc_id default_acc; /**< Default account ID */
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pjsua_acc acc[PJSUA_MAX_ACC]; /**< Account array. */
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pjsua_acc_id acc_ids[PJSUA_MAX_ACC]; /**< Acc sorted by prio*/
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/* Calls: */
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pjsua_config ua_cfg; /**< UA config. */
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unsigned call_cnt; /**< Call counter. */
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pjsua_call calls[PJSUA_MAX_CALLS];/**< Calls array. */
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pjsua_call_id next_call_id; /**< Next call id to use*/
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/* Buddy; */
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unsigned buddy_cnt; /**< Buddy count. */
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pjsua_buddy buddy[PJSUA_MAX_BUDDIES]; /**< Buddy array. */
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/* Presence: */
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pj_timer_entry pres_timer;/**< Presence refresh timer. */
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/* Media: */
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pjsua_media_config media_cfg; /**< Media config. */
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pjmedia_endpt *med_endpt; /**< Media endpoint. */
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pjsua_conf_setting mconf_cfg; /**< Additionan conf. bridge. param */
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pjmedia_conf *mconf; /**< Conference bridge. */
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int cap_dev; /**< Capture device ID. */
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int play_dev; /**< Playback device ID. */
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pj_bool_t no_snd; /**< No sound (app will manage it) */
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pj_pool_t *snd_pool; /**< Sound's private pool. */
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pjmedia_snd_port *snd_port; /**< Sound port. */
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pj_timer_entry snd_idle_timer;/**< Sound device idle timer. */
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pjmedia_master_port *null_snd; /**< Master port for null sound. */
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pjmedia_port *null_port; /**< Null port. */
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/* File players: */
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unsigned player_cnt;/**< Number of file players. */
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pjsua_file_data player[PJSUA_MAX_PLAYERS];/**< Array of players.*/
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/* File recorders: */
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unsigned rec_cnt; /**< Number of file recorders. */
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pjsua_file_data recorder[PJSUA_MAX_RECORDERS];/**< Array of recs.*/
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};
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extern struct pjsua_data pjsua_var;
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/**
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* Get the instance of pjsua
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*/
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PJ_DECL(struct pjsua_data*) pjsua_get_var(void);
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/**
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* IM callback data.
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*/
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typedef struct pjsua_im_data
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{
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pjsua_acc_id acc_id;
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pjsua_call_id call_id;
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pj_str_t to;
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pj_str_t body;
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void *user_data;
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} pjsua_im_data;
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/**
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* Duplicate IM data.
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*/
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PJ_INLINE(pjsua_im_data*) pjsua_im_data_dup(pj_pool_t *pool,
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const pjsua_im_data *src)
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{
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pjsua_im_data *dst;
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dst = (pjsua_im_data*) pj_pool_alloc(pool, sizeof(*dst));
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dst->acc_id = src->acc_id;
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dst->call_id = src->call_id;
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pj_strdup_with_null(pool, &dst->to, &src->to);
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dst->user_data = src->user_data;
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pj_strdup_with_null(pool, &dst->body, &src->body);
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return dst;
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}
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#if 1
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#define PJSUA_LOCK() pj_mutex_lock(pjsua_var.mutex)
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#define PJSUA_TRY_LOCK() pj_mutex_trylock(pjsua_var.mutex)
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#define PJSUA_UNLOCK() pj_mutex_unlock(pjsua_var.mutex)
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#else
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#define PJSUA_LOCK()
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#define PJSUA_TRY_LOCK() PJ_SUCCESS
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#define PJSUA_UNLOCK()
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#endif
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/**
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* Normalize route URI (check for ";lr" and append one if it doesn't
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* exist and pjsua_config.force_lr is set.
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*/
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pj_status_t normalize_route_uri(pj_pool_t *pool, pj_str_t *uri);
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/**
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* Resolve STUN server.
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*/
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pj_status_t pjsua_resolve_stun_server(pj_bool_t wait);
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/**
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* Handle incoming invite request.
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*/
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pj_bool_t pjsua_call_on_incoming(pjsip_rx_data *rdata);
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/*
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* Media channel.
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*/
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pj_status_t pjsua_media_channel_init(pjsua_call_id call_id,
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pjsip_role_e role,
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int security_level,
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pj_pool_t *tmp_pool,
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const pjmedia_sdp_session *rem_sdp,
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int *sip_err_code);
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pj_status_t pjsua_media_channel_create_sdp(pjsua_call_id call_id,
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pj_pool_t *pool,
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const pjmedia_sdp_session *rem_sdp,
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pjmedia_sdp_session **p_sdp,
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int *sip_err_code);
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pj_status_t pjsua_media_channel_update(pjsua_call_id call_id,
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const pjmedia_sdp_session *local_sdp,
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const pjmedia_sdp_session *remote_sdp);
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pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id);
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/**
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* Init presence.
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*/
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pj_status_t pjsua_pres_init();
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/*
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* Start presence subsystem.
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*/
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pj_status_t pjsua_pres_start(void);
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/**
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* Refresh presence subscriptions
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*/
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void pjsua_pres_refresh(void);
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/*
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* Update server subscription (e.g. when our online status has changed)
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*/
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void pjsua_pres_update_acc(int acc_id, pj_bool_t force);
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/*
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* Shutdown presence.
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*/
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void pjsua_pres_shutdown(void);
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/**
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* Init presence for aoocunt.
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*/
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pj_status_t pjsua_pres_init_acc(int acc_id);
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/**
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* Send PUBLISH
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*/
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pj_status_t pjsua_pres_init_publish_acc(int acc_id);
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/**
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* Terminate server subscription for the account
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*/
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void pjsua_pres_delete_acc(int acc_id);
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/**
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* Init IM module handler to handle incoming MESSAGE outside dialog.
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*/
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pj_status_t pjsua_im_init(void);
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/**
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* Init call subsystem.
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*/
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pj_status_t pjsua_call_subsys_init(const pjsua_config *cfg);
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/**
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* Start call subsystem.
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*/
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pj_status_t pjsua_call_subsys_start(void);
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/**
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* Init media subsystems.
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*/
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pj_status_t pjsua_media_subsys_init(const pjsua_media_config *cfg);
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/**
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* Start pjsua media subsystem.
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*/
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pj_status_t pjsua_media_subsys_start(void);
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/**
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* Destroy pjsua media subsystem.
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*/
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pj_status_t pjsua_media_subsys_destroy(void);
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/**
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* Private: check if we can accept the message.
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* If not, then p_accept header will be filled with a valid
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* Accept header.
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*/
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pj_bool_t pjsua_im_accept_pager(pjsip_rx_data *rdata,
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pjsip_accept_hdr **p_accept_hdr);
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/**
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* Private: process pager message.
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* This may trigger pjsua_ui_on_pager() or pjsua_ui_on_typing().
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*/
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void pjsua_im_process_pager(int call_id, const pj_str_t *from,
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const pj_str_t *to, pjsip_rx_data *rdata);
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/**
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* Create Accept header for MESSAGE.
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*/
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pjsip_accept_hdr* pjsua_im_create_accept(pj_pool_t *pool);
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/*
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* Add additional headers etc in msg_data specified by application
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* when sending requests.
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*/
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void pjsua_process_msg_data(pjsip_tx_data *tdata,
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const pjsua_msg_data *msg_data);
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/*
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* Add route_set to outgoing requests
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*/
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void pjsua_set_msg_route_set( pjsip_tx_data *tdata,
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const pjsip_route_hdr *route_set );
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/*
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* Simple version of MIME type parsing (it doesn't support parameters)
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*/
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void pjsua_parse_media_type( pj_pool_t *pool,
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const pj_str_t *mime,
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pjsip_media_type *media_type);
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/*
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* Internal function to init transport selector from transport id.
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*/
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void pjsua_init_tpselector(pjsua_transport_id tp_id,
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pjsip_tpselector *sel);
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pjsip_dialog* on_dlg_forked(pjsip_dialog *first_set, pjsip_rx_data *res);
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pj_status_t acquire_call(const char *title,
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pjsua_call_id call_id,
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pjsua_call **p_call,
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pjsip_dialog **p_dlg);
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const char *good_number(char *buf, pj_int32_t val);
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void print_call(const char *title,
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int call_id,
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char *buf, pj_size_t size);
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PJ_END_DECL
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#endif /* __PJSUA_INTERNAL_H__ */
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