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/*
* $Id$
*
* Copyright (C) 2005 Voice Sistem SRL
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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.
*
* Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*!
* \file
* \brief Route & Record-Route module
* \ingroup rr
*/
#ifndef RR_CB_H_
#define RR_CB_H_
#include "../../str.h"
#include "../../parser/msg_parser.h"
/*! \brief callback function prototype */
typedef void (rr_cb_t) (struct sip_msg* req, str *rr_param, void *param);
/*! \brief register callback function prototype */
typedef int (*register_rrcb_t)( rr_cb_t f, void *param);
/*! rr callback */
struct rr_callback {
int id; /*!< id of this callback - useless */
rr_cb_t* callback; /*!< callback function */
void *param; /*!< param to be passed to callback function */
struct rr_callback* next; /*!< next callback element*/
};
/*!
* \brief destroy global callback list, frees memory
*/
void destroy_rrcb_lists(void);
/*!
* \brief register a RR callback, allocates new private memory for it
* \param f callback register function
* \param param callback parameter
* \return 0 on success, -1 on failure (out of memory)
*/
int register_rrcb(rr_cb_t f, void *param );
/*!
* \brief run RR transaction callbacks
* \param req SIP request
* \param rr_param callback list
*/
void run_rr_callbacks( struct sip_msg *req, str *rr_param);
#endif
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