test/glib/test-dbus-glib.c

   1 /* -*- mode: C; c-file-style: "gnu" -*- */
   2 #include <dbus/dbus-glib.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6
   7 static GMainLoop *loop = NULL;
   8 static int n_times_foo_received = 0;
   9
  10 static gboolean
  11 timed_exit (gpointer loop)
  12 {
  13   g_main_loop_quit (loop);
  14   return TRUE;
  15 }
  16
  17 static void
  18 foo_signal_handler (DBusGProxy  *proxy,
  19                     double       d,
  20                     void        *user_data)
  21 {
  22   n_times_foo_received += 1;
  23
  24   g_main_loop_quit (loop);
  25 }
  26
  27 int
  28 main (int argc, char **argv)
  29 {
  30   DBusGConnection *connection;
  31   GError *error;
  32   DBusGProxy *driver;
  33   DBusGProxy *proxy;
  34   DBusGPendingCall *call;
  35   char **name_list;
  36   int name_list_len;
  37   int i;
  38   guint32 result;
  39   const char *v_STRING;
  40   guint32 v_UINT32;
  41
  42   g_type_init ();
  43
  44   loop = g_main_loop_new (NULL, FALSE);
  45
  46   error = NULL;
  47   connection = dbus_g_bus_get (DBUS_BUS_SESSION,
  48                                &error);
  49   if (connection == NULL)
  50     {
  51       g_printerr ("Failed to open connection to bus: %s\n",
  52                   error->message);
  53       g_error_free (error);
  54       exit (1);
  55     }
  56
  57   /* should always get the same one */
  58   g_assert (connection == dbus_g_bus_get (DBUS_BUS_SESSION, NULL));
  59   g_assert (connection == dbus_g_bus_get (DBUS_BUS_SESSION, NULL));
  60   g_assert (connection == dbus_g_bus_get (DBUS_BUS_SESSION, NULL));
  61
  62   /* Create a proxy object for the "bus driver" */
  63
  64   driver = dbus_g_proxy_new_for_name (connection,
  65                                       DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
  66                                       DBUS_PATH_ORG_FREEDESKTOP_DBUS,
  67                                       DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS);
  68
  69   /* Call ListNames method */
  70
  71   call = dbus_g_proxy_begin_call (driver, "ListNames", DBUS_TYPE_INVALID);
  72
  73   error = NULL;
  74   if (!dbus_g_proxy_end_call (driver, call, &error,
  75                               DBUS_TYPE_ARRAY, DBUS_TYPE_STRING,
  76                               &name_list, &name_list_len,
  77                               DBUS_TYPE_INVALID))
  78     {
  79       g_printerr ("Failed to complete ListNames call: %s\n",
  80                   error->message);
  81       g_error_free (error);
  82       exit (1);
  83     }
  84
  85   g_print ("Names on the message bus:\n");
  86   i = 0;
  87   while (i < name_list_len)
  88     {
  89       g_assert (name_list[i] != NULL);
  90       g_print ("  %s\n", name_list[i]);
  91       ++i;
  92     }
  93   g_assert (name_list[i] == NULL);
  94
  95   g_strfreev (name_list);
  96
  97   /* Test handling of unknown method */
  98   v_STRING = "blah blah blah blah blah";
  99   v_UINT32 = 10;
 100   call = dbus_g_proxy_begin_call (driver, "ThisMethodDoesNotExist",
 101                                   DBUS_TYPE_STRING,
 102                                   &v_STRING,
 103                                   DBUS_TYPE_INT32,
 104                                   &v_UINT32,
 105                                   DBUS_TYPE_INVALID);
 106
 107   error = NULL;
 108   if (dbus_g_proxy_end_call (driver, call, &error,
 109                             DBUS_TYPE_INVALID))
 110     {
 111       g_printerr ("Calling nonexistent method succeeded!\n");
 112       exit (1);
 113     }
 114
 115   g_print ("Got EXPECTED error from calling unknown method: %s\n",
 116            error->message);
 117   g_error_free (error);
 118
 119   /* Activate a service */
 120   v_STRING = "org.freedesktop.DBus.TestSuiteEchoService";
 121   v_UINT32 = 0;
 122   call = dbus_g_proxy_begin_call (driver, "StartServiceByName",
 123                                   DBUS_TYPE_STRING,
 124                                   &v_STRING,
 125                                   DBUS_TYPE_UINT32,
 126                                   &v_UINT32,
 127                                   DBUS_TYPE_INVALID);
 128
 129   error = NULL;
 130   if (!dbus_g_proxy_end_call (driver, call, &error,
 131                               DBUS_TYPE_UINT32, &result,
 132                               DBUS_TYPE_INVALID))
 133     {
 134       g_printerr ("Failed to complete Activate call: %s\n",
 135                   error->message);
 136       g_error_free (error);
 137       exit (1);
 138     }
 139
 140   g_print ("Starting echo service result = 0x%x\n", result);
 141
 142   /* Activate a service again */
 143   v_STRING = "org.freedesktop.DBus.TestSuiteEchoService";
 144   v_UINT32 = 0;
 145   call = dbus_g_proxy_begin_call (driver, "StartServiceByName",
 146                                   DBUS_TYPE_STRING,
 147                                   &v_STRING,
 148                                   DBUS_TYPE_UINT32,
 149                                   &v_UINT32,
 150                                   DBUS_TYPE_INVALID);
 151
 152   error = NULL;
 153   if (!dbus_g_proxy_end_call (driver, call, &error,
 154                              DBUS_TYPE_UINT32, &result,
 155                              DBUS_TYPE_INVALID))
 156     {
 157       g_printerr ("Failed to complete Activate call: %s\n",
 158                   error->message);
 159       g_error_free (error);
 160       exit (1);
 161     }
 162
 163   g_print ("Duplicate start of echo service = 0x%x\n", result);
 164
 165   /* Talk to the new service */
 166
 167   proxy = dbus_g_proxy_new_for_name_owner (connection,
 168                                            "org.freedesktop.DBus.TestSuiteEchoService",
 169                                            "/org/freedesktop/TestSuite",
 170                                            "org.freedesktop.TestSuite",
 171                                            &error);
 172
 173   if (proxy == NULL)
 174     {
 175       g_printerr ("Failed to create proxy for name owner: %s\n",
 176                   error->message);
 177       g_error_free (error);
 178       exit (1);
 179     }
 180
 181   v_STRING = "my string hello";
 182   call = dbus_g_proxy_begin_call (proxy, "Echo",
 183                                   DBUS_TYPE_STRING,
 184                                   &v_STRING,
 185                                   DBUS_TYPE_INVALID);
 186
 187   error = NULL;
 188   if (!dbus_g_proxy_end_call (proxy, call, &error,
 189                               DBUS_TYPE_STRING, &v_STRING,
 190                               DBUS_TYPE_INVALID))
 191     {
 192       g_printerr ("Failed to complete Echo call: %s\n",
 193                   error->message);
 194       g_error_free (error);
 195       exit (1);
 196     }
 197
 198   g_print ("String echoed = \"%s\"\n", v_STRING);
 199
 200   /* Test oneway call and signal handling */
 201
 202   dbus_g_proxy_add_signal (proxy, "Foo", DBUS_TYPE_DOUBLE_AS_STRING);
 203
 204   dbus_g_proxy_connect_signal (proxy, "Foo",
 205                                G_CALLBACK (foo_signal_handler),
 206                                NULL, NULL);
 207
 208   dbus_g_proxy_call_no_reply (proxy, "EmitFoo",
 209                               DBUS_TYPE_INVALID);
 210
 211   dbus_g_connection_flush (connection);
 212
 213   g_timeout_add (5000, timed_exit, loop);
 214
 215   g_main_loop_run (loop);
 216
 217   if (n_times_foo_received != 1)
 218     {
 219       g_printerr ("Foo signal received %d times, should have been 1\n",
 220                   n_times_foo_received);
 221       exit (1);
 222     }
 223
 224   g_object_unref (G_OBJECT (driver));
 225   g_object_unref (G_OBJECT (proxy));
 226
 227   g_print ("Successfully completed %s\n", argv[0]);
 228
 229   return 0;
 230 }