parse_fline.h

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/*
 * $Id: parse_fline.h 4720 2008-08-23 10:56:15Z henningw $
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*!
 * \file
 * \brief SIP first line parsing automaton
 * \ingroup parser
 */

#ifndef PARSE_FLINE_H
#define PARSE_FLINE_H

#include "../str.h"

/*! Message is request */
#define SIP_REQUEST 1

/*! Message is reply */
#define SIP_REPLY   2

/*! Invalid message */
#define SIP_INVALID 0

#define SIP_VERSION "SIP/2.0"
#define SIP_VERSION_LEN 7

#define INVITE "INVITE"
#define CANCEL "CANCEL"
#define ACK "ACK"
#define BYE "BYE"
#define INFO   "INFO"

#define INVITE_LEN 6
#define CANCEL_LEN 6
#define ACK_LEN 3
#define BYE_LEN 3
#define INFO_LEN 4


struct msg_start {
   int type;         /*!< Type of the Message - Request/Response */
   int len;          /*!< length including delimiter */
   union {
      struct {
         str method; /*!< Method string */
         str uri; /*!< Request URI */
         str version;   /*!< SIP version */
         int method_value;
      } request;
      struct {
         str version;   /*!< SIP version */
         str status; /*!< Reply status */
         str reason; /*!< Reply reason phrase */
         unsigned int statuscode;
      } reply;
   }u;
};


char* parse_first_line(char* buffer, unsigned int len, struct msg_start * fl);

char* parse_fline(char* buffer, char* end, struct msg_start* fl);


#endif /* PARSE_FLINE_H */