pjsua.h

基于sip协议的网络电话源码

     * This field should be specified if registration is desired. If the
     * value is empty, no account registration will be performed.
     */
    pj_str_t	    reg_uri;

    /**
     * If this flag is set, the presence information of this account will
     * be PUBLISH-ed to the server where the account belongs.
     */
    pj_bool_t	    publish_enabled;

    /** 
     * Optional URI to be put as Contact for this account. It is recommended
     * that this field is left empty, so that the value will be calculated
     * automatically based on the transport address.
     */
    pj_str_t	    force_contact;

    /**
     * Number of proxies in the proxy array below.
     *
     * \par Python:
     * Not applicable, as \a proxy is implemented as list of strings.
     */
    unsigned	    proxy_cnt;

    /** 
     * Optional URI of the proxies to be visited for all outgoing requests 
     * that are using this account (REGISTER, INVITE, etc). Application need 
     * to specify these proxies if the service provider requires that requests
     * destined towards its network should go through certain proxies first
     * (for example, border controllers).
     *
     * These proxies will be put in the route set for this account, with 
     * maintaining the orders (the first proxy in the array will be visited
     * first). If global outbound proxies are configured in pjsua_config,
     * then these account proxies will be placed after the global outbound
     * proxies in the routeset.
     *
     * \par Python:
     * This will be list of strings.
     */
    pj_str_t	    proxy[PJSUA_ACC_MAX_PROXIES];

    /** 
     * Optional interval for registration, in seconds. If the value is zero, 
     * default interval will be used (PJSUA_REG_INTERVAL, 55 seconds).
     */
    unsigned	    reg_timeout;

    /** 
     * Number of credentials in the credential array.
     *
     * \par Python:
     * Not applicable, since \a cred_info is a list of credentials.
     */
    unsigned	    cred_count;

    /** 
     * Array of credentials. If registration is desired, normally there should
     * be at least one credential specified, to successfully authenticate
     * against the service provider. More credentials can be specified, for
     * example when the requests are expected to be challenged by the
     * proxies in the route set.
     *
     * \par Python:
     * This field is a list of credentials.
     */
    pjsip_cred_info cred_info[PJSUA_ACC_MAX_PROXIES];

    /**
     * Optionally bind this account to specific transport. This normally is
     * not a good idea, as account should be able to send requests using
     * any available transports according to the destination. But some
     * application may want to have explicit control over the transport to
     * use, so in that case it can set this field.
     *
     * Default: -1 (PJSUA_INVALID_ID)
     *
     * @see pjsua_acc_set_transport()
     */
    pjsua_transport_id  transport_id;

} pjsua_acc_config;


/**
 * Call this function to initialize account config with default values.
 *
 * @param cfg	    The account config to be initialized.
 *
 * \par Python:
 * In Python, this function both creates and initializes the account
 * config:
 * \code
    acc_cfg = py_pjsua.acc_config_default()
 * \endcode
 */
PJ_INLINE(void) pjsua_acc_config_default(pjsua_acc_config *cfg)
{
    pj_bzero(cfg, sizeof(*cfg));

    cfg->reg_timeout = PJSUA_REG_INTERVAL;
    cfg->transport_id = PJSUA_INVALID_ID;
}



/**
 * Account info. Application can query account info by calling 
 * #pjsua_acc_get_info().
 *
 * \par Python:
 * The data type in Python is <tt>py_pjsua.Acc_Info</tt>.
 */
typedef struct pjsua_acc_info
{
    /** 
     * The account ID. 
     */
    pjsua_acc_id	id;

    /**
     * Flag to indicate whether this is the default account.
     */
    pj_bool_t		is_default;

    /** 
     * Account URI 
     */
    pj_str_t		acc_uri;

    /** 
     * Flag to tell whether this account has registration setting
     * (reg_uri is not empty).
     */
    pj_bool_t		has_registration;

    /**
     * An up to date expiration interval for account registration session.
     */
    int			expires;

    /**
     * Last registration status code. If status code is zero, the account
     * is currently not registered. Any other value indicates the SIP
     * status code of the registration.
     */
    pjsip_status_code	status;

    /**
     * String describing the registration status.
     */
    pj_str_t		status_text;

    /**
     * Presence online status for this account.
     */
    pj_bool_t		online_status;

    /**
     * Buffer that is used internally to store the status text.
     */
    char		buf_[PJ_ERR_MSG_SIZE];

} pjsua_acc_info;



/**
 * Get number of current accounts.
 *
 * @return		Current number of accounts.
 *
 * \par Python:
 * \code
    count = py_pjsua.acc_get_count()
 * \endcode
 */
PJ_DECL(unsigned) pjsua_acc_get_count(void);


/**
 * Check if the specified account ID is valid.
 *
 * @param acc_id	Account ID to check.
 *
 * @return		Non-zero if account ID is valid.
 *
 * \par Python:
 * \code
    is_valid = py_pjsua.acc_is_valid(acc_id)
 * \endcode
 */
PJ_DECL(pj_bool_t) pjsua_acc_is_valid(pjsua_acc_id acc_id);


/**
 * Set default account to be used when incoming and outgoing
 * requests doesn't match any accounts.
 *
 * @param acc_id	The account ID to be used as default.
 *
 * @return		PJ_SUCCESS on success.
 *
 * \par Python:
 * \code
    status = py_pjsua.acc_set_default(acc_id)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_set_default(pjsua_acc_id acc_id);


/**
 * Get default account to be used when receiving incoming requests (calls),
 * when the destination of the incoming call doesn't match any other
 * accounts.
 *
 * @return		The default account ID, or PJSUA_INVALID_ID if no
 *			default account is configured.
 *
 * \par Python:
 * \code
    acc_id = py_pjsua.acc_get_default()
 * \endcode
 */
PJ_DECL(pjsua_acc_id) pjsua_acc_get_default(void);


/**
 * Add a new account to pjsua. PJSUA must have been initialized (with
 * #pjsua_init()) before calling this function. If registration is configured
 * for this account, this function would also start the SIP registration
 * session with the SIP registrar server. This SIP registration session
 * will be maintained internally by the library, and application doesn't
 * need to do anything to maintain the registration session.
 *
 *
 * @param acc_cfg	Account configuration.
 * @param is_default	If non-zero, this account will be set as the default
 *			account. The default account will be used when sending
 *			outgoing requests (e.g. making call) when no account is
 *			specified, and when receiving incoming requests when the
 *			request does not match any accounts. It is recommended
 *			that default account is set to local/LAN account.
 * @param p_acc_id	Pointer to receive account ID of the new account.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * The function returns (status, account_id) tuple:
 * \code
    status, account_id = py_pjsua.acc_add(acc_cfg, is_default)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_add(const pjsua_acc_config *acc_cfg,
				   pj_bool_t is_default,
				   pjsua_acc_id *p_acc_id);


/**
 * Add a local account. A local account is used to identify local endpoint
 * instead of a specific user, and for this reason, a transport ID is needed
 * to obtain the local address information.
 *
 * @param tid		Transport ID to generate account address.
 * @param is_default	If non-zero, this account will be set as the default
 *			account. The default account will be used when sending
 *			outgoing requests (e.g. making call) when no account is
 *			specified, and when receiving incoming requests when the
 *			request does not match any accounts. It is recommended
 *			that default account is set to local/LAN account.
 * @param p_acc_id	Pointer to receive account ID of the new account.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * The function returns (status, account_id) tuple:
 * \code
    status, account_id = py_pjsua.acc_add_local(tid, is_default)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_add_local(pjsua_transport_id tid,
					 pj_bool_t is_default,
					 pjsua_acc_id *p_acc_id);

/**
 * Delete an account. This will unregister the account from the SIP server,
 * if necessary, and terminate server side presence subscriptions associated
 * with this account.
 *
 * @param acc_id	Id of the account to be deleted.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * \code
    status = py_pjsua.acc_del(acc_id)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_del(pjsua_acc_id acc_id);


/**
 * Modify account information.
 *
 * @param acc_id	Id of the account to be modified.
 * @param acc_cfg	New account configuration.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * \code
    status = py_pjsua.acc_modify(acc_id, acc_cfg)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_modify(pjsua_acc_id acc_id,
				      const pjsua_acc_config *acc_cfg);


/**
 * Modify account's presence status to be advertised to remote/presence
 * subscribers. This would trigger the sending of outgoing NOTIFY request
 * if there are server side presence subscription for this account.
 *
 * @param acc_id	The account ID.
 * @param is_online	True of false.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * \code
    status = py_pjsua.acc_set_online_status(acc_id, is_online)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_set_online_status(pjsua_acc_id acc_id,
						 pj_bool_t is_online);


/**
 * Update registration or perform unregistration. If registration is
 * configured for this account, then initial SIP REGISTER will be sent
 * when the account is added with #pjsua_acc_add(). Application normally
 * only need to call this function if it wants to manually update the
 * registration or to unregister from the server.
 *
 * @param acc_id	The account ID.
 * @param renew		If renew argument is zero, this will start 
 *			unregistration process.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * \code
    status = py_pjsua.acc_set_registration(acc_id, renew)
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_set_registration(pjsua_acc_id acc_id, 
						pj_bool_t renew);


/**
 * Get information about the specified account.
 *
 * @param acc_id	Account identification.
 * @param info		Pointer to receive account information.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * \code
    acc_info = py_pjsua.acc_get_info(acc_id)
 * \endcode
 * The function returns None if account ID is not valid.
 */
PJ_DECL(pj_status_t) pjsua_acc_get_info(pjsua_acc_id acc_id,
					pjsua_acc_info *info);


/**
 * Enumerate all account currently active in the library. This will fill
 * the array with the account Ids, and application can then query the
 * account information for each id with #pjsua_acc_get_info().
 *
 * @see pjsua_acc_enum_info().
 *
 * @param ids		Array of account IDs to be initialized.
 * @param count		In input, specifies the maximum number of elements.
 *			On return, it contains the actual number of elements.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * The function takes no argument and returns list of account Ids:
 * \code
  [acc_ids] = py_pjsua.enum_accs()
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_enum_accs(pjsua_acc_id ids[],
				     unsigned *count );


/**
 * Enumerate account informations.
 *
 * @param info		Array of account infos to be initialized.
 * @param count		In input, specifies the maximum number of elements.
 *			On return, it contains the actual number of elements.
 *
 * @return		PJ_SUCCESS on success, or the appropriate error code.
 *
 * \par Python:
 * The function takes no argument and returns list of account infos:
 * \code
    [acc_info] = py_pjsua.acc_enum_info()
 * \endcode
 */
PJ_DECL(pj_status_t) pjsua_acc_enum_info( pjsua_acc_info info[],
					  unsigned *count );


/**
 * This is an internal function to find the most appropriate account to
 * used to reach to the specified URL.
 *
 * @param url		The remote URL to reach.
 *
 * @return		Account id.
 *
 * \par Python:
 * \code
    acc_id = py_pjsua.acc_find_for_outgoing(url)
 * \endcode
 */
PJ_DECL(pjsua_acc_id) pjsua_acc_find_for_outgoing(const pj_str_t *url);


/**
 * This is an internal function to find the most appropriate account to be
 * used to handle incoming calls.
 *
 * @param rdata		The incoming request message.
 *
 * @return		Account id.
 *
 * \par Python:
 * \code
    acc_id = py_pjsua.acc_find_for_outgoing(url)
 * \endcode
 */
PJ_DECL(pjsua_acc_id) pjsua_acc_find_for_incoming(pjsip_rx_data *rdata);


/**
 * Create arbitrary requests using the account. Application should only use
 * this function to create auxiliary requests outside d