client/main.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2008  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 <stdlib.h>
  29 #include <string.h>
  30
  31 #include <dbus/dbus.h>
  32
  33 #define CONNMAN_SERVICE                 "org.moblin.connman"
  34
  35 #define CONNMAN_MANAGER_INTERFACE       CONNMAN_SERVICE ".Manager"
  36 #define CONNMAN_MANAGER_PATH            "/"
  37
  38 static const char *extract_state(DBusMessage *message)
  39 {
  40         DBusMessageIter array, dict;
  41
  42         dbus_message_iter_init(message, &array);
  43         dbus_message_iter_recurse(&array, &dict);
  44
  45         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
  46                 DBusMessageIter entry, value;
  47                 const char *key;
  48
  49                 dbus_message_iter_recurse(&dict, &entry);
  50                 dbus_message_iter_get_basic(&entry, &key);
  51
  52                 dbus_message_iter_next(&entry);
  53
  54                 dbus_message_iter_recurse(&entry, &value);
  55
  56                 //type = dbus_message_iter_get_arg_type(&value);
  57                 //dbus_message_iter_get_basic(&value, &val);
  58
  59                 if (strcmp(key, "State") == 0) {
  60                         const char *val;
  61                         dbus_message_iter_get_basic(&value, &val);
  62                         return val;
  63                 }
  64
  65                 dbus_message_iter_next(&dict);
  66         }
  67
  68         return NULL;
  69 }
  70
  71 static int cmd_status(DBusConnection *connection)
  72 {
  73         DBusMessage *message, *reply;
  74         DBusError error;
  75         const char *state;
  76
  77         message = dbus_message_new_method_call(CONNMAN_SERVICE,
  78                                                 CONNMAN_MANAGER_PATH,
  79                                                 CONNMAN_MANAGER_INTERFACE,
  80                                                         "GetProperties");
  81         if (message == NULL)
  82                 return -ENOMEM;
  83
  84         dbus_error_init(&error);
  85
  86         reply = dbus_connection_send_with_reply_and_block(connection,
  87                                                         message, -1, &error);
  88         if (reply == NULL) {
  89                 if (dbus_error_is_set(&error) == TRUE) {
  90                         fprintf(stderr, "%s\n", error.message);
  91                         dbus_error_free(&error);
  92                 } else
  93                         fprintf(stderr, "Failed to get properties\n");
  94                 dbus_message_unref(message);
  95                 return -EIO;
  96         }
  97
  98         dbus_message_unref(message);
  99
 100         dbus_error_init(&error);
 101
 102         state = extract_state(reply);
 103
 104         dbus_message_unref(reply);
 105
 106         if (state == NULL)
 107                 return -EINVAL;
 108
 109         printf("System is %s\n", state);
 110
 111         return 0;
 112 }
 113
 114 int main(int argc, char *argv[])
 115 {
 116         DBusConnection *conn;
 117
 118         conn = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
 119         if (!conn) {
 120                 fprintf(stderr, "Can't get on system bus\n");
 121                 exit(1);
 122         }
 123
 124         cmd_status(conn);
 125
 126         dbus_connection_unref(conn);
 127
 128         return 0;
 129 }