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