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/*
*
* Connection Manager
*
* Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <net/route.h>
#include <net/ethernet.h>
#include <linux/if_arp.h>
#include <gdhcp.h>
static GTimer *timer;
static GMainLoop *main_loop = NULL;
static void sig_term(int sig)
{
g_main_loop_quit(main_loop);
}
static void print_timestamp(void)
{
GTimeVal timestamp;
gdouble elapsed;
char *str;
g_get_current_time(×tamp);
str = g_time_val_to_iso8601(×tamp);
printf("=== %s ===\n", str);
g_free(str);
elapsed = g_timer_elapsed(timer, NULL);
printf("elapsed: %f seconds\n", elapsed);
}
static void handle_error(GDHCPClientError error)
{
switch (error) {
case G_DHCP_CLIENT_ERROR_NONE:
printf("dhcp client ok\n");
break;
case G_DHCP_CLIENT_ERROR_INERFACE_UNAVAILABLE:
printf("Interface unavailable\n");
break;
case G_DHCP_CLIENT_ERROR_INTERFACE_IN_USE:
printf("Interface in use\n");
break;
case G_DHCP_CLIENT_ERROR_INTERFACE_DOWN:
printf("Interface down\n");
break;
case G_DHCP_CLIENT_ERROR_NOMEM:
printf("No memory\n");
break;
case G_DHCP_CLIENT_ERROR_INVALID_INDEX:
printf("Invalid index\n");
break;
case G_DHCP_CLIENT_ERROR_INVALID_OPTION:
printf("Invalid option\n");
break;
}
}
static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
printf("No Lease Available!\n");
print_timestamp();
g_main_loop_quit(main_loop);
}
static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
{
GList *list, *option_value = NULL;
char *address;
address = g_dhcp_client_get_address(dhcp_client);
printf("address %s\n", address);
if (address == NULL)
return;
option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_SUBNET);
for (list = option_value; list; list = list->next)
printf("sub-mask %s\n", (char *) list->data);
option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_DNS_SERVER);
for (list = option_value; list; list = list->next)
printf("domain-name-servers %s\n", (char *) list->data);
option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_ROUTER);
for (list = option_value; list; list = list->next)
printf("routers %s\n", (char *) list->data);
print_timestamp();
}
int main(int argc, char *argv[])
{
struct sigaction sa;
GDHCPClientError error;
GDHCPClient *dhcp_client;
int index;
if (argc < 2) {
printf("Usage: dhcp-test <interface index>\n");
exit(0);
}
index = atoi(argv[1]);
printf("Create DHCP client for interface %d\n", index);
timer = g_timer_new();
dhcp_client = g_dhcp_client_new(G_DHCP_IPV4, index, &error);
if (dhcp_client == NULL) {
handle_error(error);
exit(0);
}
g_dhcp_client_set_send(dhcp_client, G_DHCP_HOST_NAME, "<hostname>");
g_dhcp_client_set_request(dhcp_client, G_DHCP_HOST_NAME);
g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
g_dhcp_client_set_request(dhcp_client, G_DHCP_DNS_SERVER);
g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
lease_available_cb, NULL);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_NO_LEASE, no_lease_cb, NULL);
main_loop = g_main_loop_new(NULL, FALSE);
print_timestamp();
printf("Start DHCP operation\n");
g_dhcp_client_start(dhcp_client);
memset(&sa, 0, sizeof(sa));
sa.sa_handler = sig_term;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
g_main_loop_run(main_loop);
g_dhcp_client_unref(dhcp_client);
g_main_loop_unref(main_loop);
return 0;
}
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