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kamailio/modules/registrar/sip_msg.h

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/*
* SIP message related functions
*
* Copyright (C) 2001-2003 FhG Fokus
*
* 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 SIP registrar module - SIP message related functions
* \ingroup registrar
*/
#ifndef SIP_MSG_H
#define SIP_MSG_H
#include "../../qvalue.h"
#include "../../parser/msg_parser.h"
#include "../../parser/contact/parse_contact.h"
/*! \brief
* Parse the whole message and bodies of all header fields
* that will be needed by registrar
*/
int parse_message(struct sip_msg* _m);
/*! \brief
* Check if the originating REGISTER message was formed correctly
* The whole message must be parsed before calling the function
* _s indicates whether the contact was star
*/
int check_contacts(struct sip_msg* _m, int* _s);
/*! \brief
* Get the first contact in message
*/
contact_t* get_first_contact(struct sip_msg* _m);
/*! \brief
* Get next contact in message
*/
contact_t* get_next_contact(contact_t* _c);
/*! \brief
* Calculate absolute expires value per contact as follows:
* 1) If the contact has expires value, use the value. If it
* is not zero, add actual time to it
* 2) If the contact has no expires parameter, use expires
* header field in the same way
* 3) If the message contained no expires header field, use
* the default value
*/
void calc_contact_expires(struct sip_msg* _m, param_t* _ep, int* _e);
/*! \brief
* Calculate contact q value as follows:
* 1) If q parameter exist, use it
* 2) If the parameter doesn't exist, use default value
*/
int calc_contact_q(param_t* _q, qvalue_t* _r);
#endif /* SIP_MSG_H */