plugin_util.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) 2007, Bernd Petrovitsch <[e-mail]>
 * Copyright (c) 2007, Sven-Ola <[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: plugin_util.c,v 1.6 2007/09/17 21:57:06 bernd67 Exp $
 */

#include "plugin_util.h"
#include "olsr.h"
#include "defs.h"

int set_plugin_port(const char *value, void *data, set_plugin_parameter_addon addon __attribute__((unused)))
{
    char *endptr;
    const unsigned int port = strtoul(value, &endptr, 0);
    if (*endptr != '\0' || endptr == value) {
        OLSR_PRINTF(0, "Illegal port number \"%s\"", value);
        return 1;
    }
    if (port > 65535) {
        OLSR_PRINTF(0, "Port number %u out of range", port);
        return 1;
    }
    if (data != NULL) {
        int *v = data;
        *v = port;
        OLSR_PRINTF(1, "%s port number %u\n", "Got", port);
    } else {
        OLSR_PRINTF(0, "%s port number %u\n", "Ignored", port);
    }
    return 0;
}

int set_plugin_ipaddress(const char *value, void *data, set_plugin_parameter_addon addon __attribute__((unused)))
{
    char buf[INET6_ADDRSTRLEN];
    union olsr_ip_addr ip_addr;
    if (inet_pton(olsr_cnf->ip_version, value, &ip_addr) <= 0) {
        OLSR_PRINTF(0, "Illegal IP address \"%s\"", value);
        return 1;
    }
    inet_ntop(olsr_cnf->ip_version, &ip_addr, buf, sizeof(buf));
    if (data != NULL) {
        union olsr_ip_addr *v = data;
        *v = ip_addr;
        OLSR_PRINTF(1, "%s IP address %s\n", "Got", buf);
    } else {
        OLSR_PRINTF(0, "%s IP address %s\n", "Ignored", buf);
    }
    return 0;
}


int set_plugin_boolean(const char *value, void *data, set_plugin_parameter_addon addon __attribute__((unused)))
{
    int *v = data;
    if (strcasecmp (value, "yes") == 0 || strcasecmp (value, "true") == 0) {
        *v = 1;
    } else if (strcasecmp (value, "no") == 0 || strcasecmp (value, "false") == 0) {
        *v = 0;
    } else {
        return 1;
    }
    return 0;
}

int set_plugin_int(const char *value, void *data, set_plugin_parameter_addon addon __attribute__((unused)))
{
    char *endptr;
    const int theint = strtol(value, &endptr, 0);
    if (*endptr != '\0' || endptr == value) {
        OLSR_PRINTF(0, "Illegal int \"%s\"", value);
        return 1;
    }
    if (data != NULL) {
        int *v = data;
        *v = theint;
        OLSR_PRINTF(1, "%s int %d\n", "Got", theint);
    } else {
        OLSR_PRINTF(0, "%s int %d\n", "Ignored", theint);
    }
    return 0;
}

int set_plugin_string(const char *value, void *data, set_plugin_parameter_addon addon)
{
    if (data != NULL) {
        char *v = data;
        if (strlen(value) >= addon.ui) {
            OLSR_PRINTF(0, "String too long \"%s\"", value);
            return 1;
        }
        strcpy(v, value);
        OLSR_PRINTF(1, "%s string %s\n", "Got", value);
    } else {
        OLSR_PRINTF(0, "%s string %s\n", "Ignored", value);
    }
    return 0;
}

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