(root)/
glib-2.79.0/
gio/
tests/
gdbus-exit-on-close.c
       1  /* GLib testing framework examples and tests
       2   *
       3   * Copyright (C) 2008-2010 Red Hat, Inc.
       4   *
       5   * SPDX-License-Identifier: LGPL-2.1-or-later
       6   *
       7   * This library is free software; you can redistribute it and/or
       8   * modify it under the terms of the GNU Lesser General Public
       9   * License as published by the Free Software Foundation; either
      10   * version 2.1 of the License, or (at your option) any later version.
      11   *
      12   * This library is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15   * Lesser General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU Lesser General
      18   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      19   *
      20   * Author: David Zeuthen <davidz@redhat.com>
      21   */
      22  
      23  #include <gio/gio.h>
      24  #include <stdlib.h>
      25  #include <unistd.h>
      26  #include <string.h>
      27  
      28  #include "gdbus-tests.h"
      29  
      30  /* all tests rely on a shared mainloop */
      31  static GMainLoop *loop = NULL;
      32  
      33  /* ---------------------------------------------------------------------------------------------------- */
      34  
      35  typedef struct {
      36      const gchar *name;
      37      const gchar *bug;
      38      enum {
      39          EXPLICITLY_FALSE = FALSE,
      40          EXPLICITLY_TRUE = TRUE,
      41          IMPLICITLY_TRUE
      42      } exit_on_close;
      43      enum {
      44          LOCAL,
      45          REMOTE
      46      } who_closes;
      47  } TestData;
      48  
      49  static const TestData cases[] = {
      50        { "default",  NULL,     IMPLICITLY_TRUE,  REMOTE },
      51        { "true",     NULL,     EXPLICITLY_TRUE,  REMOTE },
      52        { "false",    NULL,     EXPLICITLY_FALSE, REMOTE },
      53        { "we-close", "662100", EXPLICITLY_TRUE,  LOCAL  },
      54        { NULL, NULL, 0, 0 }
      55  };
      56  
      57  static gboolean
      58  quit_later_cb (gpointer data G_GNUC_UNUSED)
      59  {
      60    g_main_loop_quit (loop);
      61  
      62    return G_SOURCE_REMOVE;
      63  }
      64  
      65  static void
      66  closed_cb (GDBusConnection  *c G_GNUC_UNUSED,
      67             gboolean          remote_peer_vanished,
      68             GError           *error,
      69             gpointer          test_data)
      70  {
      71    const TestData *td = test_data;
      72  
      73    if (error == NULL)
      74      g_debug ("closed (%d, no error)", remote_peer_vanished);
      75    else
      76      g_debug ("closed (%d, %s %d \"%s\")", remote_peer_vanished,
      77               g_quark_to_string (error->domain), error->code, error->message);
      78  
      79    g_assert_cmpint (remote_peer_vanished, ==, (td->who_closes == REMOTE));
      80    g_assert_cmpint ((error == NULL), ==, (td->who_closes == LOCAL));
      81  
      82    /* we delay this so that if exit-on-close was going to happen, it will
      83     * win the race
      84     */
      85    g_timeout_add (50, quit_later_cb, NULL);
      86  }
      87  
      88  static void
      89  close_async_cb (GObject *source G_GNUC_UNUSED,
      90                  GAsyncResult *res G_GNUC_UNUSED,
      91                  gpointer nil G_GNUC_UNUSED)
      92  {
      93    GError *error = NULL;
      94  
      95    if (g_dbus_connection_close_finish (G_DBUS_CONNECTION (source),
      96                                        res,
      97                                        &error))
      98      {
      99        g_debug ("closed connection");
     100      }
     101    else
     102      {
     103        g_warning ("failed to close connection: %s (%s #%d)",
     104                   error->message, g_quark_to_string (error->domain),
     105                   error->code);
     106      }
     107  }
     108  
     109  static void
     110  test_exit_on_close_subprocess (gconstpointer test_data)
     111  {
     112    const TestData *td = test_data;
     113    GDBusConnection *c;
     114  
     115    loop = g_main_loop_new (NULL, FALSE);
     116  
     117    session_bus_up ();
     118    c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
     119  
     120    g_assert (c != NULL);
     121  
     122    /* the default is meant to be TRUE */
     123    if (td->exit_on_close != IMPLICITLY_TRUE)
     124      g_dbus_connection_set_exit_on_close (c, td->exit_on_close);
     125  
     126    g_assert_cmpint (g_dbus_connection_get_exit_on_close (c), ==,
     127                     (td->exit_on_close != EXPLICITLY_FALSE));
     128    g_assert (!g_dbus_connection_is_closed (c));
     129  
     130    g_timeout_add (50, quit_later_cb, NULL);
     131    g_main_loop_run (loop);
     132  
     133    g_signal_connect (c, "closed", G_CALLBACK (closed_cb), (gpointer) td);
     134  
     135    if (td->who_closes == LOCAL)
     136      {
     137        GVariant *v;
     138        GError *error = NULL;
     139  
     140        v = g_dbus_connection_call_sync (c, "org.freedesktop.DBus",
     141                                         "/org/freedesktop/DBus",
     142                                         "org.freedesktop.DBus",
     143                                         "ListNames",
     144                                         NULL,
     145                                         G_VARIANT_TYPE ("(as)"),
     146                                         G_DBUS_CALL_FLAGS_NONE,
     147                                         -1,
     148                                         NULL,
     149                                         &error);
     150        g_assert_no_error (error);
     151        g_assert (v != NULL);
     152        g_variant_unref (v);
     153  
     154        g_dbus_connection_close (c, NULL, close_async_cb, NULL);
     155      }
     156    else
     157      {
     158        session_bus_stop ();
     159      }
     160  
     161    g_main_loop_run (loop);
     162    /* this is only reached when we turn off exit-on-close */
     163    g_main_loop_unref (loop);
     164    g_object_unref (c);
     165  
     166    session_bus_down ();
     167  
     168    exit (0);
     169  }
     170  
     171  static void
     172  test_exit_on_close (gconstpointer test_data)
     173  {
     174    const TestData *td = test_data;
     175    GTestSubprocessFlags flags;
     176    char *child_name;
     177  
     178    g_test_dbus_unset ();
     179  
     180    if (g_test_verbose ())
     181      flags = G_TEST_SUBPROCESS_INHERIT_STDOUT | G_TEST_SUBPROCESS_INHERIT_STDERR;
     182    else
     183      flags = 0;
     184  
     185    child_name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", td->name);
     186    g_test_trap_subprocess (child_name, 0, flags);
     187    g_free (child_name);
     188  
     189    if (td->exit_on_close == EXPLICITLY_FALSE ||
     190        td->who_closes == LOCAL)
     191      g_test_trap_assert_passed ();
     192    else
     193      g_test_trap_assert_failed();
     194  }
     195  
     196  /* ---------------------------------------------------------------------------------------------------- */
     197  
     198  int
     199  main (int   argc,
     200        char *argv[])
     201  {
     202    gint i;
     203  
     204    g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
     205  
     206    for (i = 0; cases[i].name != NULL; i++)
     207      {
     208        gchar *name;
     209  
     210        name = g_strdup_printf ("/gdbus/exit-on-close/%s", cases[i].name);
     211        g_test_add_data_func (name, &cases[i], test_exit_on_close);
     212        g_free (name);
     213  
     214        name = g_strdup_printf ("/gdbus/exit-on-close/%s/subprocess", cases[i].name);
     215        g_test_add_data_func (name, &cases[i], test_exit_on_close_subprocess);
     216        g_free (name);
     217      }
     218  
     219    return g_test_run();
     220  }