olsrd_plugin.c

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) 2004, 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: olsrd_plugin.c,v 1.3 2007/07/15 17:41:33 bernd67 Exp $
 */

/*
 * Dynamic linked library for the olsr.org olsr daemon
 */


#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <netinet/in.h>

#include "olsrd_plugin.h"
#include "olsrd_txtinfo.h"
#include "defs.h"


#define PLUGIN_NAME    "OLSRD txtinfo plugin"
#define PLUGIN_VERSION "0.1"
#define PLUGIN_AUTHOR   "Lorenz Schori"
#define MOD_DESC PLUGIN_NAME " " PLUGIN_VERSION " by " PLUGIN_AUTHOR
#define PLUGIN_INTERFACE_VERSION 5


union olsr_ip_addr ipc_accept_ip;
int ipc_port;
int nompr;

static void my_init(void) __attribute__ ((constructor));
static void my_fini(void) __attribute__ ((destructor));

/**
 *Constructor
 */
static void my_init(void)
{
    /* Print plugin info to stdout */
    printf("%s\n", MOD_DESC);

    /* defaults for parameters */
    ipc_port = 2006;
    if (olsr_cnf->ip_version == AF_INET) {
        ipc_accept_ip.v4 = htonl(INADDR_LOOPBACK);
    } else {
        ipc_accept_ip.v6 = in6addr_loopback;
    }

    /* highlite neighbours by default */
    nompr = 0;
}

/**
 *Destructor
 */
static void my_fini(void)
{
    /* Calls the destruction function
     * olsr_plugin_exit()
     * This function should be present in your
     * sourcefile and all data destruction
     * should happen there - NOT HERE!
     */
    olsr_plugin_exit();
}


int olsrd_plugin_interface_version(void)
{
    return PLUGIN_INTERFACE_VERSION;
}

static const struct olsrd_plugin_parameters plugin_parameters[] = {
    { .name = "port",   .set_plugin_parameter = &set_plugin_port,      .data = &ipc_port },
    { .name = "accept", .set_plugin_parameter = &set_plugin_ipaddress, .data = &ipc_accept_ip },
};

void olsrd_get_plugin_parameters(const struct olsrd_plugin_parameters **params, int *size)
{
    *params = plugin_parameters;
    *size = sizeof(plugin_parameters)/sizeof(*plugin_parameters);
}

/*
 * Local Variables:
 * mode: c
 * style: linux
 * c-basic-offset: 4
 * indent-tabs-mode: nil
 * End:
 */