gio/tests/gdbus-connection-loss.c

   1 /* GLib testing framework examples and tests
   2  *
   3  * Copyright (C) 2008-2010 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  *
  20  * Author: David Zeuthen <davidz@redhat.com>
  21  */
  22
  23 #include <gio/gio.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26
  27 #include "gdbus-tests.h"
  28
  29 /* all tests rely on a global connection */
  30 static GDBusConnection *c = NULL;
  31
  32 /* all tests rely on a shared mainloop */
  33 static GMainLoop *loop = NULL;
  34
  35 /* ---------------------------------------------------------------------------------------------------- */
  36 /* Check that pending calls fail with G_IO_ERROR_CLOSED if the connection is closed  */
  37 /* See https://bugzilla.gnome.org/show_bug.cgi?id=660637 */
  38 /* ---------------------------------------------------------------------------------------------------- */
  39
  40 static void
  41 sleep_cb (GObject      *source_object,
  42           GAsyncResult *res,
  43           gpointer      user_data)
  44 {
  45   GError **error = user_data;
  46   GVariant *result;
  47
  48   result = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object), res, error);
  49   g_assert (result == NULL);
  50   g_main_loop_quit (loop);
  51 }
  52
  53 static gboolean
  54 on_timeout (gpointer user_data)
  55 {
  56   /* tear down bus */
  57   session_bus_stop ();
  58   return FALSE; /* remove source */
  59 }
  60
  61 static void
  62 test_connection_loss (void)
  63 {
  64   GDBusProxy *proxy;
  65   GError *error;
  66
  67   error = NULL;
  68   proxy = g_dbus_proxy_new_sync (c,
  69                                  G_DBUS_PROXY_FLAGS_NONE,
  70                                  NULL,                      /* GDBusInterfaceInfo */
  71                                  "com.example.TestService", /* name */
  72                                  "/com/example/TestObject", /* object path */
  73                                  "com.example.Frob",        /* interface */
  74                                  NULL, /* GCancellable */
  75                                  &error);
  76   g_assert_no_error (error);
  77
  78   error = NULL;
  79   g_dbus_proxy_call (proxy,
  80                      "Sleep",
  81                      g_variant_new ("(i)", 100 * 1000 /* msec */),
  82                      G_DBUS_CALL_FLAGS_NONE,
  83                      10 * 1000 /* msec */,
  84                      NULL, /* GCancellable */
  85                      sleep_cb,
  86                      &error);
  87
  88   /* Make sure we don't exit when the bus goes away */
  89   g_dbus_connection_set_exit_on_close (c, FALSE);
  90
  91   /* Nuke the connection to the bus */
  92   g_timeout_add (100 /* ms */, on_timeout, NULL);
  93
  94   g_main_loop_run (loop);
  95
  96   /* If we didn't act on connection-loss we'd be getting G_IO_ERROR_TIMEOUT
  97    * generated locally. So if we get G_IO_ERROR_CLOSED it means that we
  98    * are acting correctly on connection loss.
  99    */
 100   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
 101   g_assert (!g_dbus_error_is_remote_error (error));
 102   g_clear_error (&error);
 103
 104   g_object_unref (proxy);
 105 }
 106
 107 /* ---------------------------------------------------------------------------------------------------- */
 108
 109 int
 110 main (int   argc,
 111       char *argv[])
 112 {
 113   GError *error;
 114   gint ret;
 115   gchar *path;
 116
 117   g_test_init (&argc, &argv, NULL);
 118
 119   /* all the tests rely on a shared main loop */
 120   loop = g_main_loop_new (NULL, FALSE);
 121
 122   session_bus_up ();
 123
 124   /* this is safe; testserver will exit once the bus goes away */
 125   path = g_test_build_filename (G_TEST_BUILT, "gdbus-testserver", NULL);
 126   g_assert (g_spawn_command_line_async (path, NULL));
 127   g_free (path);
 128
 129   /* wait for the service to come up */
 130   usleep (500 * 1000);
 131
 132   /* Create the connection in the main thread */
 133   error = NULL;
 134   c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 135   g_assert_no_error (error);
 136   g_assert (c != NULL);
 137
 138   g_test_add_func ("/gdbus/connection-loss", test_connection_loss);
 139
 140   ret = g_test_run();
 141
 142   g_object_unref (c);
 143
 144   return ret;
 145 }