/*
 * The olsr.org Optimized Link-State Routing daemon(olsrd)
 * Copyright (c) 2004, Andreas Tønnesen(andreto@olsr.org)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met:
 *
 * * Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright 
 *   notice, this list of conditions and the following disclaimer in 
 *   the documentation and/or other materials provided with the 
 *   distribution.
 * * Neither the name of olsr.org, olsrd nor the names of its 
 *   contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Visit http://www.olsr.org for more information.
 *
 * If you find this software useful feel free to make a donation
 * to the project. For more information see the website or contact
 * the copyright holders.
 *
 * $Id: parser.h,v 1.11 2006/01/07 08:16:20 kattemat Exp $
 */


#ifndef _OLSR_MSG_PARSER
#define _OLSR_MSG_PARSER

#include "olsr_protocol.h"
#include "packet.h"

#define PROMISCUOUS 0xffffffff

struct parse_function_entry
{
  olsr_u32_t type;       /* If set to PROMISCUOUS all messages will be received */
  int caller_forwarding; /* If set to 0 this entry is not registered as forwarding packets */
  void (*function)(union olsr_message *, struct interface *, union olsr_ip_addr *);
  struct parse_function_entry *next;
};


extern struct parse_function_entry *parse_functions;

void
parser_set_disp_pack_in(olsr_bool);

void
olsr_init_parser(void);

void 
olsr_input(int);

void
olsr_input_hostemu(int);

void
olsr_parser_add_function(void (*)(union olsr_message *, struct interface *, union olsr_ip_addr *), olsr_u32_t, int);

int
olsr_parser_remove_function(void (*)(union olsr_message *, struct interface *, union olsr_ip_addr *), olsr_u32_t, int);

void
parse_packet(struct olsr *, int, struct interface *, union olsr_ip_addr *);

#endif