/*
 * OLSR ad-hoc routing table management protocol GUI front-end
 * Copyright (C) 2003 Andreas Tønnesen (andreto@ifi.uio.no)
 *
 * This file is part of olsr.org.
 *
 * uolsrGUI 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.
 *
 * uolsrGUI 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 olsr.org; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "olsr_protocol.h"
#include "packet.h"

#define IPC_PORT 1212
#define	IPC_MESSAGE 11    /* IPC to front-end telling of route changes */
#define IPC_NET 12       /* IPC to front end net-info */


//int ipc_socket;
int connected;


/*
 *AND:
 *IPC message sent to the front-end
 *at every route update. Both delete
 *and add
 */

struct routemsg 
{
  olsr_u8_t      msgtype;
  olsr_u16_t     size;
  olsr_u8_t      metric;
  olsr_u8_t      add;
  union olsr_ip_addr target_addr;
  union olsr_ip_addr gateway_addr;
  char           device[4];
};


struct netmsg
{
  olsr_u8_t      msgtype;
  olsr_u16_t     size;
  olsr_u8_t      mids; /* No. of extra interfaces */
  olsr_u8_t      hnas; /* No. of HNA nets */
  olsr_u8_t      unused1;
  olsr_u16_t     hello_int;
  olsr_u16_t     hello_lan_int;
  olsr_u16_t     tc_int;
  olsr_u16_t     neigh_hold;
  olsr_u16_t     topology_hold;
  olsr_u8_t      ipv6;
  union olsr_ip_addr   main_addr;
};

/*
 *Private functions
 */

int
ipc_get_socket();

int
ipc_evaluate_message(union olsr_message *);

int
ipc_eval_route_packet(struct routemsg *);

int
ipc_eval_net_info(struct netmsg *);

int
process_hello(int, olsr_u8_t, union olsr_ip_addr *, union hello_message *);

int
process_tc(int, olsr_u8_t, union olsr_ip_addr *, union tc_message *);

int
process_mid(int, olsr_u8_t, union olsr_ip_addr *, union mid_message *);

int
process_hna(int, olsr_u8_t, union olsr_ip_addr *, union hna_message *);