tools/dhcp-test.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <errno.h>
  28 #include <unistd.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <sys/ioctl.h>
  32 #include <sys/socket.h>
  33 #include <arpa/inet.h>
  34 #include <net/route.h>
  35 #include <net/ethernet.h>
  36 #include <linux/if_arp.h>
  37
  38 #include <gdhcp.h>
  39
  40 static GTimer *timer;
  41
  42 static GMainLoop *main_loop = NULL;
  43
  44 static void sig_term(int sig)
  45 {
  46         g_main_loop_quit(main_loop);
  47 }
  48
  49 static void print_timestamp(void)
  50 {
  51         GTimeVal timestamp;
  52         gdouble elapsed;
  53         char *str;
  54
  55         g_get_current_time(&timestamp);
  56         str = g_time_val_to_iso8601(&timestamp);
  57         printf("=== %s ===\n", str);
  58         g_free(str);
  59
  60         elapsed = g_timer_elapsed(timer, NULL);
  61
  62         printf("elapsed: %f seconds\n", elapsed);
  63 }
  64
  65 static void handle_error(GDHCPClientError error)
  66 {
  67         switch (error) {
  68         case G_DHCP_CLIENT_ERROR_NONE:
  69                 printf("dhcp client ok\n");
  70                 break;
  71         case G_DHCP_CLIENT_ERROR_INERFACE_UNAVAILABLE:
  72                 printf("Interface unavailable\n");
  73                 break;
  74         case G_DHCP_CLIENT_ERROR_INTERFACE_IN_USE:
  75                 printf("Interface in use\n");
  76                 break;
  77         case G_DHCP_CLIENT_ERROR_INTERFACE_DOWN:
  78                 printf("Interface down\n");
  79                 break;
  80         case G_DHCP_CLIENT_ERROR_NOMEM:
  81                 printf("No memory\n");
  82                 break;
  83         case G_DHCP_CLIENT_ERROR_INVALID_INDEX:
  84                 printf("Invalid index\n");
  85                 break;
  86         case G_DHCP_CLIENT_ERROR_INVALID_OPTION:
  87                 printf("Invalid option\n");
  88                 break;
  89         }
  90 }
  91
  92 static void no_lease_cb(GDHCPClient *dhcp_client, gpointer user_data)
  93 {
  94         printf("No Lease Available!\n");
  95
  96         print_timestamp();
  97
  98         g_main_loop_quit(main_loop);
  99 }
 100
 101 static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
 102 {
 103         GList *list, *option_value = NULL;
 104         char *address;
 105
 106         address = g_dhcp_client_get_address(dhcp_client);
 107         printf("address %s\n", address);
 108         if (address == NULL)
 109                 return;
 110
 111         option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_SUBNET);
 112         for (list = option_value; list; list = list->next)
 113                 printf("sub-mask %s\n", (char *) list->data);
 114
 115         option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_DNS_SERVER);
 116         for (list = option_value; list; list = list->next)
 117                 printf("domain-name-servers %s\n", (char *) list->data);
 118
 119         option_value = g_dhcp_client_get_option(dhcp_client, G_DHCP_ROUTER);
 120         for (list = option_value; list; list = list->next)
 121                 printf("routers %s\n", (char *) list->data);
 122
 123         print_timestamp();
 124 }
 125
 126 int main(int argc, char *argv[])
 127 {
 128         struct sigaction sa;
 129         GDHCPClientError error;
 130         GDHCPClient *dhcp_client;
 131         int index;
 132
 133         if (argc < 2) {
 134                 printf("Usage: dhcp-test <interface index>\n");
 135                 exit(0);
 136         }
 137
 138         index = atoi(argv[1]);
 139
 140         printf("Create DHCP client for interface %d\n", index);
 141
 142         timer = g_timer_new();
 143
 144         dhcp_client = g_dhcp_client_new(G_DHCP_IPV4, index, &error);
 145         if (dhcp_client == NULL) {
 146                 handle_error(error);
 147                 exit(0);
 148         }
 149
 150         g_dhcp_client_set_send(dhcp_client, G_DHCP_HOST_NAME, "<hostname>");
 151
 152         g_dhcp_client_set_request(dhcp_client, G_DHCP_HOST_NAME);
 153         g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
 154         g_dhcp_client_set_request(dhcp_client, G_DHCP_DNS_SERVER);
 155         g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
 156         g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
 157
 158         g_dhcp_client_register_event(dhcp_client,
 159                         G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
 160                                                 lease_available_cb, NULL);
 161
 162         g_dhcp_client_register_event(dhcp_client,
 163                         G_DHCP_CLIENT_EVENT_NO_LEASE, no_lease_cb, NULL);
 164
 165         main_loop = g_main_loop_new(NULL, FALSE);
 166
 167         print_timestamp();
 168
 169         printf("Start DHCP operation\n");
 170
 171         g_dhcp_client_start(dhcp_client);
 172
 173         memset(&sa, 0, sizeof(sa));
 174         sa.sa_handler = sig_term;
 175         sigaction(SIGINT, &sa, NULL);
 176         sigaction(SIGTERM, &sa, NULL);
 177
 178         g_main_loop_run(main_loop);
 179
 180         g_dhcp_client_unref(dhcp_client);
 181
 182         g_main_loop_unref(main_loop);
 183
 184         return 0;
 185 }