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fd27c8dc6e
This is a spiritual follow-up to commit 8cff531520, which
added `G_TEST_OPTION_ISOLATE_DIRS` to the `gdbus-connection-flush` test
to avoid its D-Bus cookie lock file from being erroneously deleted by
other tests running in parallel.
The same failure mode could affect any of the other D-Bus tests which
connect to a bus. As an easy fix, enable `G_TEST_OPTION_ISOLATE_DIRS`
for all of them.
The only test it’s not (yet) enabled for is `gdbus-address-get-session`
as that messes around with `XDG_RUNTIME_DIR` to test finding the session
bus. It might be possible to use `G_TEST_OPTION_ISOLATE_DIRS` with it,
but that would take longer than I have right now.
In any case, the more tests (which try to connect to a bus) that this is
enabled for, the lower the chances of spurious test failure due to them
conflicting over shared resources.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
248 lines
7.2 KiB
C
248 lines
7.2 KiB
C
/* GLib testing framework examples and tests
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*
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* Copyright (C) 2008-2010 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: David Zeuthen <davidz@redhat.com>
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*/
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#include "config.h"
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#include <gio/gio.h>
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#include <unistd.h>
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#include <string.h>
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/* for open(2) */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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/* for g_unlink() */
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#include <glib/gstdio.h>
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#include <gio/gnetworking.h>
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#include <gio/gunixsocketaddress.h>
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#include <gio/gunixfdlist.h>
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/* used in test_overflow */
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#ifdef G_OS_UNIX
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#include <gio/gunixconnection.h>
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#include <errno.h>
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#endif
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#ifdef G_OS_UNIX
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static gboolean is_unix = TRUE;
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#else
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static gboolean is_unix = FALSE;
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#endif
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static gchar *tmp_address = NULL;
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static gchar *test_guid = NULL;
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static GMainLoop *loop = NULL;
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static const gchar *test_interface_introspection_xml =
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"<node>"
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" <interface name='org.gtk.GDBus.PeerTestInterface'>"
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" <method name='HelloPeer'>"
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" <arg type='s' name='greeting' direction='in'/>"
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" <arg type='s' name='response' direction='out'/>"
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" </method>"
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" <method name='EmitSignal'/>"
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" <method name='EmitSignalWithNameSet'/>"
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" <method name='OpenFile'>"
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" <arg type='s' name='path' direction='in'/>"
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" </method>"
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" <signal name='PeerSignal'>"
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" <arg type='s' name='a_string'/>"
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" </signal>"
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" <property type='s' name='PeerProperty' access='read'/>"
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" </interface>"
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"</node>";
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static GDBusInterfaceInfo *test_interface_introspection_data = NULL;
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#ifdef G_OS_UNIX
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/* Chosen to be big enough to overflow the socket buffer */
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#define OVERFLOW_NUM_SIGNALS 5000
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#define OVERFLOW_TIMEOUT_SEC 10
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static GDBusMessage *
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overflow_filter_func (GDBusConnection *connection,
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GDBusMessage *message,
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gboolean incoming,
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gpointer user_data)
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{
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gint *counter = user_data; /* (atomic) */
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g_atomic_int_inc (counter);
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return message;
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}
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static gboolean
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overflow_on_500ms_later_func (gpointer user_data)
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{
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g_main_loop_quit (loop);
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return G_SOURCE_REMOVE;
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}
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static void
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test_overflow (void)
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{
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gint sv[2];
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gint n;
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GSocket *socket;
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GSocketConnection *socket_connection;
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GDBusConnection *producer, *consumer;
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GError *error;
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GTimer *timer;
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gint n_messages_received; /* (atomic) */
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gint n_messages_sent; /* (atomic) */
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g_assert_cmpint (socketpair (AF_UNIX, SOCK_STREAM, 0, sv), ==, 0);
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error = NULL;
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socket = g_socket_new_from_fd (sv[0], &error);
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g_assert_no_error (error);
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socket_connection = g_socket_connection_factory_create_connection (socket);
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g_assert (socket_connection != NULL);
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g_object_unref (socket);
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producer = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
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NULL, /* guid */
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G_DBUS_CONNECTION_FLAGS_NONE,
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NULL, /* GDBusAuthObserver */
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NULL, /* GCancellable */
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&error);
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g_dbus_connection_set_exit_on_close (producer, TRUE);
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g_assert_no_error (error);
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g_object_unref (socket_connection);
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g_atomic_int_set (&n_messages_sent, 0);
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g_dbus_connection_add_filter (producer, overflow_filter_func, (gpointer) &n_messages_sent, NULL);
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/* send enough data that we get an EAGAIN */
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for (n = 0; n < OVERFLOW_NUM_SIGNALS; n++)
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{
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error = NULL;
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g_dbus_connection_emit_signal (producer,
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NULL, /* destination */
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"/org/foo/Object",
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"org.foo.Interface",
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"Member",
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g_variant_new ("(s)", "a string"),
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&error);
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g_assert_no_error (error);
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}
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/* sleep for 0.5 sec (to allow the GDBus IO thread to fill up the
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* kernel buffers) and verify that n_messages_sent <
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* OVERFLOW_NUM_SIGNALS
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*
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* This is to verify that not all the submitted messages have been
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* sent to the underlying transport.
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*/
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g_timeout_add (500, overflow_on_500ms_later_func, NULL);
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g_main_loop_run (loop);
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g_assert_cmpint (g_atomic_int_get (&n_messages_sent), <, OVERFLOW_NUM_SIGNALS);
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/* now suck it all out as a client, and add it up */
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socket = g_socket_new_from_fd (sv[1], &error);
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g_assert_no_error (error);
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socket_connection = g_socket_connection_factory_create_connection (socket);
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g_assert (socket_connection != NULL);
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g_object_unref (socket);
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consumer = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
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NULL, /* guid */
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G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING,
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NULL, /* GDBusAuthObserver */
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NULL, /* GCancellable */
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&error);
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g_assert_no_error (error);
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g_object_unref (socket_connection);
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g_atomic_int_set (&n_messages_received, 0);
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g_dbus_connection_add_filter (consumer, overflow_filter_func, (gpointer) &n_messages_received, NULL);
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g_dbus_connection_start_message_processing (consumer);
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timer = g_timer_new ();
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g_timer_start (timer);
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while (g_atomic_int_get (&n_messages_received) < OVERFLOW_NUM_SIGNALS && g_timer_elapsed (timer, NULL) < OVERFLOW_TIMEOUT_SEC)
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g_main_context_iteration (NULL, FALSE);
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g_assert_cmpint (g_atomic_int_get (&n_messages_sent), ==, OVERFLOW_NUM_SIGNALS);
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g_assert_cmpint (g_atomic_int_get (&n_messages_received), ==, OVERFLOW_NUM_SIGNALS);
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g_timer_destroy (timer);
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g_object_unref (consumer);
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g_object_unref (producer);
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}
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#else
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static void
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test_overflow (void)
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{
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/* TODO: test this with e.g. GWin32InputStream/GWin32OutputStream */
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}
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#endif
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/* ---------------------------------------------------------------------------------------------------- */
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int
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main (int argc,
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char *argv[])
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{
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gint ret;
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GDBusNodeInfo *introspection_data = NULL;
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gchar *tmpdir = NULL;
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g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
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introspection_data = g_dbus_node_info_new_for_xml (test_interface_introspection_xml, NULL);
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g_assert (introspection_data != NULL);
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test_interface_introspection_data = introspection_data->interfaces[0];
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test_guid = g_dbus_generate_guid ();
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if (is_unix)
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{
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tmpdir = g_dir_make_tmp ("gdbus-test-XXXXXX", NULL);
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tmp_address = g_strdup_printf ("unix:tmpdir=%s", tmpdir);
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}
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else
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tmp_address = g_strdup ("nonce-tcp:");
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/* all the tests rely on a shared main loop */
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loop = g_main_loop_new (NULL, FALSE);
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g_test_add_func ("/gdbus/overflow", test_overflow);
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ret = g_test_run();
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g_main_loop_unref (loop);
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g_free (test_guid);
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g_dbus_node_info_unref (introspection_data);
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if (is_unix)
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g_free (tmp_address);
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if (tmpdir)
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{
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g_rmdir (tmpdir);
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g_free (tmpdir);
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}
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return ret;
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}
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