git.maemo.org Git - connman/blob - src/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  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 <stdlib.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30 #include <signal.h>
  31 #include <getopt.h>
  32 #include <sys/stat.h>
  33 #include <net/if.h>
  34
  35 #include <gdbus.h>
  36
  37 #include "connman.h"
  38
  39 static GMainLoop *main_loop = NULL;
  40
  41 static void sig_term(int sig)
  42 {
  43         g_main_loop_quit(main_loop);
  44 }
  45
  46 static void sig_debug(int sig)
  47 {
  48         __connman_toggle_debug();
  49 }
  50
  51 static void disconnect_callback(DBusConnection *conn, void *user_data)
  52 {
  53         DBG("D-Bus disconnect");
  54
  55         g_main_loop_quit(main_loop);
  56 }
  57
  58 static gchar *option_device = NULL;
  59 static gchar *option_plugin = NULL;
  60 static gchar *option_nodevice = NULL;
  61 static gchar *option_noplugin = NULL;
  62 static gboolean option_detach = TRUE;
  63 static gboolean option_compat = FALSE;
  64 static gboolean option_debug = FALSE;
  65 static gboolean option_selftest = FALSE;
  66 static gboolean option_version = FALSE;
  67
  68 static GOptionEntry options[] = {
  69         { "device", 'i', 0, G_OPTION_ARG_STRING, &option_device,
  70                         "Specify networking device or interface", "DEV" },
  71         { "nodevice", 'I', 0, G_OPTION_ARG_STRING, &option_nodevice,
  72                         "Specify networking interface to ignore", "DEV" },
  73         { "plugin", 'p', 0, G_OPTION_ARG_STRING, &option_plugin,
  74                                 "Specify plugins to load", "NAME" },
  75         { "noplugin", 'P', 0, G_OPTION_ARG_STRING, &option_noplugin,
  76                                 "Specify plugins not to load", "NAME" },
  77         { "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
  78                                 G_OPTION_ARG_NONE, &option_detach,
  79                                 "Don't fork daemon to background" },
  80         { "compat", 'c', 0, G_OPTION_ARG_NONE, &option_compat,
  81                                 "Enable Network Manager compatibility" },
  82         { "debug", 'd', 0, G_OPTION_ARG_NONE, &option_debug,
  83                                 "Enable debug information output" },
  84         { "selftest", 't', 0, G_OPTION_ARG_NONE, &option_selftest,
  85                                 "Run self testing routines" },
  86         { "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
  87                                 "Show version information and exit" },
  88         { NULL },
  89 };
  90
  91 int main(int argc, char *argv[])
  92 {
  93         GOptionContext *context;
  94         GError *error = NULL;
  95         DBusConnection *conn;
  96         DBusError err;
  97         struct sigaction sa;
  98
  99 #ifdef NEED_THREADS
 100         if (g_thread_supported() == FALSE)
 101                 g_thread_init(NULL);
 102 #endif
 103
 104         context = g_option_context_new(NULL);
 105         g_option_context_add_main_entries(context, options, NULL);
 106
 107         if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
 108                 if (error != NULL) {
 109                         g_printerr("%s\n", error->message);
 110                         g_error_free(error);
 111                 } else
 112                         g_printerr("An unknown error occurred\n");
 113                 exit(1);
 114         }
 115
 116         g_option_context_free(context);
 117
 118         if (option_version == TRUE) {
 119                 printf("%s\n", VERSION);
 120                 exit(0);
 121         }
 122
 123         if (option_detach == TRUE) {
 124                 if (daemon(0, 0)) {
 125                         perror("Can't start daemon");
 126                         exit(1);
 127                 }
 128         }
 129
 130         if (mkdir(STATEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 131                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 132                 if (errno != EEXIST)
 133                         perror("Failed to create state directory");
 134         }
 135
 136         if (mkdir(STORAGEDIR, S_IRUSR | S_IWUSR | S_IXUSR |
 137                                 S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0) {
 138                 if (errno != EEXIST)
 139                         perror("Failed to create storage directory");
 140         }
 141
 142         main_loop = g_main_loop_new(NULL, FALSE);
 143
 144 #ifdef NEED_THREADS
 145         if (dbus_threads_init_default() == FALSE) {
 146                 fprintf(stderr, "Can't init usage of threads\n");
 147                 exit(1);
 148         }
 149 #endif
 150
 151         dbus_error_init(&err);
 152
 153         conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, CONNMAN_SERVICE, &err);
 154         if (conn == NULL) {
 155                 if (dbus_error_is_set(&err) == TRUE) {
 156                         fprintf(stderr, "%s\n", err.message);
 157                         dbus_error_free(&err);
 158                 } else
 159                         fprintf(stderr, "Can't register with system bus\n");
 160                 exit(1);
 161         }
 162
 163         g_dbus_set_disconnect_function(conn, disconnect_callback, NULL, NULL);
 164
 165         if (option_compat == TRUE) {
 166                 if (g_dbus_request_name(conn, NM_SERVICE, NULL) == FALSE) {
 167                         fprintf(stderr, "Can't register compat service\n");
 168                         option_compat = FALSE;
 169                 }
 170         }
 171
 172         __connman_log_init(option_detach, option_debug);
 173
 174         if (option_selftest == TRUE) {
 175                 if (__connman_selftest() < 0) {
 176                         connman_error("Self testing routines failed");
 177                         goto selftest;
 178                 }
 179         }
 180
 181         __connman_dbus_init(conn);
 182
 183         __connman_storage_init();
 184         __connman_element_init(conn, option_device, option_nodevice);
 185
 186         __connman_agent_init(conn);
 187         __connman_manager_init(conn, option_compat);
 188         __connman_profile_init(conn);
 189
 190         __connman_resolver_init();
 191         __connman_rtnl_init();
 192         __connman_udev_init();
 193
 194         __connman_plugin_init(option_plugin, option_noplugin);
 195
 196         __connman_element_start();
 197
 198         g_free(option_device);
 199         g_free(option_plugin);
 200         g_free(option_nodevice);
 201         g_free(option_noplugin);
 202
 203         memset(&sa, 0, sizeof(sa));
 204         sa.sa_handler = sig_term;
 205         sigaction(SIGINT, &sa, NULL);
 206         sigaction(SIGTERM, &sa, NULL);
 207
 208         sa.sa_handler = sig_debug;
 209         sigaction(SIGUSR2, &sa, NULL);
 210
 211         g_main_loop_run(main_loop);
 212
 213         __connman_element_stop();
 214
 215         __connman_plugin_cleanup();
 216
 217         __connman_udev_cleanup();
 218         __connman_rtnl_cleanup();
 219         __connman_resolver_cleanup();
 220
 221         __connman_profile_cleanup();
 222         __connman_manager_cleanup();
 223         __connman_agent_cleanup();
 224
 225         __connman_element_cleanup();
 226         __connman_storage_cleanup();
 227
 228         __connman_dbus_cleanup();
 229
 230 selftest:
 231         __connman_log_cleanup();
 232
 233         dbus_connection_unref(conn);
 234
 235         g_main_loop_unref(main_loop);
 236
 237         rmdir(STORAGEDIR);
 238
 239         rmdir(STATEDIR);
 240
 241         return 0;
 242 }