test/glib/test-dbus-glib.c

   1 /* -*- mode: C; c-file-style: "gnu" -*- */
   2 #include "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 void
  11 foo_signal_handler (DBusGProxy  *proxy,
  12                     DBusMessage *signal,
  13                     void        *user_data)
  14 {
  15   double d;
  16   DBusError derror;
  17
  18   if (!dbus_message_is_signal (signal,
  19                                "org.freedesktop.TestSuite",
  20                                "Foo"))
  21     {
  22       g_printerr ("Signal handler received the wrong message\n");
  23       exit (1);
  24     }
  25
  26   dbus_error_init (&derror);
  27   if (!dbus_message_get_args (signal, &derror, DBUS_TYPE_DOUBLE,
  28                               &d, DBUS_TYPE_INVALID))
  29     {
  30       g_printerr ("failed to get signal args: %s\n", derror.message);
  31       dbus_error_free (&derror);
  32       exit (1);
  33     }
  34
  35   n_times_foo_received += 1;
  36
  37   g_main_loop_quit (loop);
  38 }
  39
  40 int
  41 main (int argc, char **argv)
  42 {
  43   DBusConnection *connection;
  44   GError *error;
  45   DBusGProxy *driver;
  46   DBusGProxy *proxy;
  47   DBusPendingCall *call;
  48   char **service_list;
  49   int service_list_len;
  50   int i;
  51   dbus_uint32_t result;
  52   char *str;
  53
  54   g_type_init ();
  55
  56   loop = g_main_loop_new (NULL, FALSE);
  57
  58   error = NULL;
  59   connection = dbus_bus_get_with_g_main (DBUS_BUS_SESSION,
  60                                          &error);
  61   if (connection == NULL)
  62     {
  63       g_printerr ("Failed to open connection to bus: %s\n",
  64                   error->message);
  65       g_error_free (error);
  66       exit (1);
  67     }
  68
  69   /* Create a proxy object for the "bus driver" */
  70
  71   driver = dbus_gproxy_new_for_service (connection,
  72                                         DBUS_SERVICE_ORG_FREEDESKTOP_DBUS,
  73                                         DBUS_PATH_ORG_FREEDESKTOP_DBUS,
  74                                         DBUS_INTERFACE_ORG_FREEDESKTOP_DBUS);
  75
  76   /* Call ListServices method */
  77
  78   call = dbus_gproxy_begin_call (driver, "ListServices", DBUS_TYPE_INVALID);
  79
  80   error = NULL;
  81   if (!dbus_gproxy_end_call (driver, call, &error,
  82                              DBUS_TYPE_ARRAY, DBUS_TYPE_STRING,
  83                              &service_list, &service_list_len,
  84                              DBUS_TYPE_INVALID))
  85     {
  86       g_printerr ("Failed to complete ListServices call: %s\n",
  87                   error->message);
  88       g_error_free (error);
  89       exit (1);
  90     }
  91
  92   g_print ("Services on the message bus:\n");
  93   i = 0;
  94   while (i < service_list_len)
  95     {
  96       g_assert (service_list[i] != NULL);
  97       g_print ("  %s\n", service_list[i]);
  98       ++i;
  99     }
 100   g_assert (service_list[i] == NULL);
 101
 102   dbus_free_string_array (service_list);
 103
 104   /* Test handling of unknown method */
 105   call = dbus_gproxy_begin_call (driver, "ThisMethodDoesNotExist",
 106                                  DBUS_TYPE_STRING,
 107                                  "blah blah blah blah blah",
 108                                  DBUS_TYPE_INT32,
 109                                  10,
 110                                  DBUS_TYPE_INVALID);
 111
 112   error = NULL;
 113   if (dbus_gproxy_end_call (driver, call, &error,
 114                             DBUS_TYPE_INVALID))
 115     {
 116       g_printerr ("Calling nonexistent method succeeded!\n");
 117       exit (1);
 118     }
 119
 120   g_print ("Got EXPECTED error from calling unknown method: %s\n",
 121            error->message);
 122   g_error_free (error);
 123
 124   /* Activate a service */
 125   call = dbus_gproxy_begin_call (driver, "ActivateService",
 126                                  DBUS_TYPE_STRING,
 127                                  "org.freedesktop.DBus.TestSuiteEchoService",
 128                                  DBUS_TYPE_UINT32,
 129                                  0,
 130                                  DBUS_TYPE_INVALID);
 131
 132   error = NULL;
 133   if (!dbus_gproxy_end_call (driver, call, &error,
 134                              DBUS_TYPE_UINT32, &result,
 135                              DBUS_TYPE_INVALID))
 136     {
 137       g_printerr ("Failed to complete Activate call: %s\n",
 138                   error->message);
 139       g_error_free (error);
 140       exit (1);
 141     }
 142
 143   g_print ("Activation of echo service = 0x%x\n", result);
 144
 145   /* Activate a service again */
 146   call = dbus_gproxy_begin_call (driver, "ActivateService",
 147                                  DBUS_TYPE_STRING,
 148                                  "org.freedesktop.DBus.TestSuiteEchoService",
 149                                  DBUS_TYPE_UINT32,
 150                                  0,
 151                                  DBUS_TYPE_INVALID);
 152
 153   error = NULL;
 154   if (!dbus_gproxy_end_call (driver, call, &error,
 155                              DBUS_TYPE_UINT32, &result,
 156                              DBUS_TYPE_INVALID))
 157     {
 158       g_printerr ("Failed to complete Activate call: %s\n",
 159                   error->message);
 160       g_error_free (error);
 161       exit (1);
 162     }
 163
 164   g_print ("Duplicate activation of echo service = 0x%x\n", result);
 165
 166   /* Talk to the new service */
 167
 168   proxy = dbus_gproxy_new_for_service (connection,
 169                                        "org.freedesktop.DBus.TestSuiteEchoService",
 170                                        "/org/freedesktop/TestSuite",
 171                                        "org.freedesktop.TestSuite");
 172
 173   call = dbus_gproxy_begin_call (proxy, "Echo",
 174                                  DBUS_TYPE_STRING,
 175                                  "my string hello",
 176                                  DBUS_TYPE_INVALID);
 177
 178   error = NULL;
 179   if (!dbus_gproxy_end_call (proxy, call, &error,
 180                              DBUS_TYPE_STRING, &str,
 181                              DBUS_TYPE_INVALID))
 182     {
 183       g_printerr ("Failed to complete Echo call: %s\n",
 184                   error->message);
 185       g_error_free (error);
 186       exit (1);
 187     }
 188
 189   g_print ("String echoed = \"%s\"\n", str);
 190   dbus_free (str);
 191
 192   /* Test oneway call and signal handling */
 193
 194   dbus_gproxy_connect_signal (proxy, "Foo",
 195                               foo_signal_handler,
 196                               NULL, NULL);
 197
 198   dbus_gproxy_call_no_reply (proxy, "EmitFoo",
 199                              DBUS_TYPE_INVALID);
 200
 201   dbus_connection_flush (connection);
 202
 203   g_main_loop_run (loop);
 204
 205   if (n_times_foo_received != 1)
 206     {
 207       g_printerr ("Foo signal received %d times, should have been 1\n",
 208                   n_times_foo_received);
 209       exit (1);
 210     }
 211
 212   g_object_unref (G_OBJECT (driver));
 213   g_object_unref (G_OBJECT (proxy));
 214
 215   g_print ("Successfully completed %s\n", argv[0]);
 216
 217   return 0;
 218 }