tls pjsua app 分析 pjsua(3)

分类型初始化很多参数

结构如下：

首先看init_data ，首先看列出来用到的结构体pjsua_data ，方便后面查阅

/* PJSUA application instance. */
struct pjsua_data pjsua_var;
/**
 * Global pjsua application data.
 */
struct pjsua_data
{

    /* Control: */
    pj_caching_pool  cp;        /**< Global pool factory.       */
    pj_pool_t       *pool;      /**< pjsua's private pool.      */
    pj_mutex_t      *mutex;     /**< Mutex protection for this data */
    unsigned         mutex_nesting_level; /**< Mutex nesting level. */
    pj_thread_t     *mutex_owner; /**< Mutex owner.         */
    pjsua_state      state;     /**< Library state.         */

    /* Logging: */
    pjsua_logging_config log_cfg;   /**< Current logging config.    */
    pj_oshandle_t    log_file;  /**<Output log file handle      */

    /* SIP: */
    pjsip_endpoint  *endpt;     /**< Global endpoint.       */
    pjsip_module     mod;       /**< pjsua's PJSIP module.      */
    pjsua_transport_data tpdata[8]; /**< Array of transports.       */
    pjsip_tp_state_callback old_tp_cb; /**< Old transport callback. */

    /* Threading: */
    pj_bool_t        thread_quit_flag;  /**< Thread quit flag.  */
    pj_thread_t     *thread[4];     /**< Array of threads.  */

    /* STUN and resolver */
    pj_stun_config   stun_cfg;  /**< Global STUN settings.      */
    pj_sockaddr      stun_srv;  /**< Resolved STUN server address   */
    pj_status_t      stun_status; /**< STUN server status.      */
    pjsua_stun_resolve   stun_res;  /**< List of pending STUN resolution*/
    unsigned         stun_srv_idx; /**< Resolved STUN server index  */
    pj_dns_resolver *resolver;  /**< DNS resolver.          */   

    /* Detected NAT type */
    pj_stun_nat_type     nat_type;  /**< NAT type.          */
    pj_status_t      nat_status;    /**< Detection status.      */
    pj_bool_t        nat_in_progress; /**< Detection in progress    */

    /* List of outbound proxies: */
    pjsip_route_hdr  outbound_proxy;

    /* Account: */
    unsigned         acc_cnt;        /**< Number of accounts.   */
    pjsua_acc_id     default_acc;        /**< Default account ID    */
    pjsua_acc        acc[PJSUA_MAX_ACC]; /**< Account array.    */
    pjsua_acc_id     acc_ids[PJSUA_MAX_ACC]; /**< Acc sorted by prio*/

    /* Calls: */
    pjsua_config     ua_cfg;        /**< UA config.     */
    unsigned         call_cnt;      /**< Call counter.  */
    pjsua_call       calls[PJSUA_MAX_CALLS];/**< Calls array.   */
    pjsua_call_id    next_call_id;      /**< Next call id to use*/

    /* Buddy; */
    unsigned         buddy_cnt;         /**< Buddy count.   */
    pjsua_buddy      buddy[PJSUA_MAX_BUDDIES];  /**< Buddy array.   */

    /* Presence: */
    pj_timer_entry   pres_timer;/**< Presence refresh timer.    */

    /* Media: */
    pjsua_media_config   media_cfg; /**< Media config.          */
    pjmedia_endpt   *med_endpt; /**< Media endpoint.        */
    pjsua_conf_setting   mconf_cfg; /**< Additionan conf. bridge. param */
    pjmedia_conf    *mconf;     /**< Conference bridge.     */
    pj_bool_t        is_mswitch;/**< Are we using audio switchboard
                         (a.k.a APS-Direct)     */

    /* Sound device */
    pjmedia_aud_dev_index cap_dev;  /**< Capture device ID.     */
    pjmedia_aud_dev_index play_dev; /**< Playback device ID.        */
    pj_uint32_t      aud_svmask;/**< Which settings to save     */
    pjmedia_aud_param    aud_param; /**< User settings to sound dev */
    pj_bool_t        aud_open_cnt;/**< How many # device is opened  */
    pj_bool_t        no_snd;    /**< No sound (app will manage it)  */
    pj_pool_t       *snd_pool;  /**< Sound's private pool.      */
    pjmedia_snd_port    *snd_port;  /**< Sound port.            */
    pj_timer_entry   snd_idle_timer;/**< Sound device idle timer.   */
    pjmedia_master_port *null_snd;  /**< Master port for null sound.    */
    pjmedia_port    *null_port; /**< Null port.         */
    pj_bool_t        snd_is_on; /**< Media flow is currently active */
    unsigned         snd_mode;  /**< Sound device mode.     */

    /* Video device */
    pjmedia_vid_dev_index vcap_dev;  /**< Capture device ID.        */
    pjmedia_vid_dev_index vrdr_dev;  /**< Playback device ID.       */

    /* For keeping video device settings */
#if PJSUA_HAS_VIDEO
    pj_uint32_t       vid_caps[PJMEDIA_VID_DEV_MAX_DEVS];
    pjmedia_vid_dev_param vid_param[PJMEDIA_VID_DEV_MAX_DEVS];
#endif

    /* File players: */
    unsigned         player_cnt;/**< Number of file players.    */
    pjsua_file_data  player[PJSUA_MAX_PLAYERS];/**< Array of players.*/

    /* File recorders: */
    unsigned         rec_cnt;   /**< Number of file recorders.  */
    pjsua_file_data  recorder[PJSUA_MAX_RECORDERS];/**< Array of recs.*/

    /* Video windows */
#if PJSUA_HAS_VIDEO
    pjsua_vid_win    win[PJSUA_MAX_VID_WINS]; /**< Array of windows */
#endif

    /* Timer entry list */
    pjsua_timer_list     timer_list;
    pj_mutex_t          *timer_mutex;
};

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