D-Modem/pjproject-2.11.1/pjsip/include/pjsip/sip_transport_loop.h
2021-10-29 14:41:03 -04:00

147 lines
4.2 KiB
C

/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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 __PJSIP_TRANSPORT_LOOP_H__
#define __PJSIP_TRANSPORT_LOOP_H__
/**
* @file sip_transport_loop.h
* @brief
* Loopback transport (for debugging)
*/
#include <pjsip/sip_transport.h>
/**
* @defgroup PJSIP_TRANSPORT_LOOP Loop Transport
* @ingroup PJSIP_TRANSPORT
* @brief Loopback transport (for testing purposes).
* @{
* The loopback transport simply bounce back outgoing messages as
* incoming messages. This feature is used mostly during automated
* testing, to provide controlled behavior.
*/
PJ_BEGIN_DECL
/**
* Create and start datagram loop transport.
*
* @param endpt The endpoint instance.
* @param transport Pointer to receive the transport instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_start( pjsip_endpoint *endpt,
pjsip_transport **transport);
/**
* Enable/disable flag to discard any packets sent using the specified
* loop transport.
*
* @param tp The loop transport.
* @param discard If non-zero, any outgoing packets will be discarded.
* @param prev_value Optional argument to receive previous value of
* the discard flag.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_set_discard( pjsip_transport *tp,
pj_bool_t discard,
pj_bool_t *prev_value );
/**
* Enable/disable flag to simulate network error. When this flag is set,
* outgoing transmission will return either immediate error or error via
* callback. If error is to be notified via callback, then the notification
* will occur after some delay, which is controlled by #pjsip_loop_set_delay().
*
* @param tp The loop transport.
* @param fail_flag If set to 1, the transport will return fail to deliver
* the message. If delay is zero, failure will occur
* immediately; otherwise it will be reported in callback.
* If set to zero, the transport will successfully deliver
* the packet.
* @param prev_value Optional argument to receive previous value of
* the failure flag.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_set_failure( pjsip_transport *tp,
int fail_flag,
int *prev_value );
/**
* Set delay (in miliseconds) before packet is received by the other end
* of the loop transport. This will also
* control the delay for error notification callback.
*
* @param tp The loop transport.
* @param delay Delay, in miliseconds.
* @param prev_value Optional argument to receive previous value of the
* delay.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_set_recv_delay( pjsip_transport *tp,
unsigned delay,
unsigned *prev_value);
/**
* Set delay (in miliseconds) before send notification is delivered to sender.
* This will also control the delay for error notification callback.
*
* @param tp The loop transport.
* @param delay Delay, in miliseconds.
* @param prev_value Optional argument to receive previous value of the
* delay.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_set_send_callback_delay( pjsip_transport *tp,
unsigned delay,
unsigned *prev_value);
/**
* Set both receive and send notification delay.
*
* @param tp The loop transport.
* @param delay Delay, in miliseconds.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjsip_loop_set_delay( pjsip_transport *tp,
unsigned delay );
PJ_END_DECL
/**
* @}
*/
#endif /* __PJSIP_TRANSPORT_LOOP_H__ */