olsr_host_switch.h

wifi 无线网络路由协议OLSR linux下C代码

/*
 * The olsr.org Optimized Link-State Routing daemon(olsrd)
 * Copyright (c) 2005, Andreas T鴑nesen([e-mail])
 * 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: olsr_host_switch.h,v 1.10 2007/08/02 10:20:25 bernd67 Exp $
 */

#ifndef _OLSR_HOST_SWITCH
#define _OLSR_HOST_SWITCH

#include "olsr_types.h"

#define OHS_TCP_PORT 10150

#define OHS_VERSION "0.1"

#define OHS_DEFAULT_OLSRD_PATH "./olsrd"

#define OHS_OUT_OF_MEMORY(s) \
 { printf("ohsd: out of memory \"%s\"!\n", s); ohs_close(0);}

#define COMP_IP(ip1, ip2) (!memcmp(ip1, ip2, ipsize))

#define COPY_IP(to, from) memcpy(to, from, ipsize)

#ifdef WIN32
#define close(x) closesocket(x)
int __stdcall ohs_close(unsigned long signal) __attribute__((noreturn));
#else
void ohs_close(int) __attribute__((noreturn));
#endif

struct ohs_ip_link
{
  union olsr_ip_addr   dst;
  olsr_u8_t            quality; /* 0 - 100 */
  struct ohs_ip_link   *next;
};

struct ohs_connection
{
  union olsr_ip_addr     ip_addr;
  int                    socket;
  olsr_u32_t             rx;
  olsr_u32_t             tx;
  olsr_u32_t             linkcnt;
  struct ohs_ip_link     *links;
  struct ohs_connection  *next;
};

extern int ipsize;

extern olsr_u32_t logbits;

extern struct ohs_connection *ohs_conns;

#define LOG_DEFAULT 0x0
#define LOG_FORWARD 0x1
#define LOG_CONNECT 0x2
#define LOG_LINK    0x4

#ifdef WIN32
int __stdcall
SignalHandler(unsigned long);
#else
void
ohs_close(int);
#endif

const char *
olsr_ip_to_string(const union olsr_ip_addr *);

struct ohs_connection *
get_client_by_addr(union olsr_ip_addr *);

int
ohs_delete_connection(struct ohs_connection *);

#endif