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/* GLib testing framework examples and tests
*
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include "config.h"
#include <gio/gio.h>
#include <unistd.h>
#include <string.h>
/* for open(2) */
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
/* for g_unlink() */
#include <glib/gstdio.h>
#include <gio/gnetworking.h>
#include <gio/gunixsocketaddress.h>
#include <gio/gunixfdlist.h>
/* used in test_overflow */
#ifdef G_OS_UNIX
#include <gio/gunixconnection.h>
#include <errno.h>
#endif
#ifdef G_OS_UNIX
static gboolean is_unix = TRUE;
#else
static gboolean is_unix = FALSE;
#endif
static gchar *tmp_address = NULL;
static gchar *test_guid = NULL;
static GMainLoop *loop = NULL;
static const gchar *test_interface_introspection_xml =
"<node>"
" <interface name='org.gtk.GDBus.PeerTestInterface'>"
" <method name='HelloPeer'>"
" <arg type='s' name='greeting' direction='in'/>"
" <arg type='s' name='response' direction='out'/>"
" </method>"
" <method name='EmitSignal'/>"
" <method name='EmitSignalWithNameSet'/>"
" <method name='OpenFile'>"
" <arg type='s' name='path' direction='in'/>"
" </method>"
" <signal name='PeerSignal'>"
" <arg type='s' name='a_string'/>"
" </signal>"
" <property type='s' name='PeerProperty' access='read'/>"
" </interface>"
"</node>";
static GDBusInterfaceInfo *test_interface_introspection_data = NULL;
#ifdef G_OS_UNIX
/* Chosen to be big enough to overflow the socket buffer */
#define OVERFLOW_NUM_SIGNALS 5000
#define OVERFLOW_TIMEOUT_SEC 10
static GDBusMessage *
overflow_filter_func (GDBusConnection *connection,
GDBusMessage *message,
gboolean incoming,
gpointer user_data)
{
volatile gint *counter = user_data;
*counter += 1;
return message;
}
static gboolean
overflow_on_500ms_later_func (gpointer user_data)
{
g_main_loop_quit (loop);
return G_SOURCE_REMOVE;
}
static void
test_overflow (void)
{
gint sv[2];
gint n;
GSocket *socket;
GSocketConnection *socket_connection;
GDBusConnection *producer, *consumer;
GError *error;
GTimer *timer;
volatile gint n_messages_received;
volatile gint n_messages_sent;
g_assert_cmpint (socketpair (AF_UNIX, SOCK_STREAM, 0, sv), ==, 0);
error = NULL;
socket = g_socket_new_from_fd (sv[0], &error);
g_assert_no_error (error);
socket_connection = g_socket_connection_factory_create_connection (socket);
g_assert (socket_connection != NULL);
g_object_unref (socket);
producer = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
NULL, /* guid */
G_DBUS_CONNECTION_FLAGS_NONE,
NULL, /* GDBusAuthObserver */
NULL, /* GCancellable */
&error);
g_dbus_connection_set_exit_on_close (producer, TRUE);
g_assert_no_error (error);
g_object_unref (socket_connection);
n_messages_sent = 0;
g_dbus_connection_add_filter (producer, overflow_filter_func, (gpointer) &n_messages_sent, NULL);
/* send enough data that we get an EAGAIN */
for (n = 0; n < OVERFLOW_NUM_SIGNALS; n++)
{
error = NULL;
g_dbus_connection_emit_signal (producer,
NULL, /* destination */
"/org/foo/Object",
"org.foo.Interface",
"Member",
g_variant_new ("(s)", "a string"),
&error);
g_assert_no_error (error);
}
/* sleep for 0.5 sec (to allow the GDBus IO thread to fill up the
* kernel buffers) and verify that n_messages_sent <
* OVERFLOW_NUM_SIGNALS
*
* This is to verify that not all the submitted messages have been
* sent to the underlying transport.
*/
g_timeout_add (500, overflow_on_500ms_later_func, NULL);
g_main_loop_run (loop);
g_assert_cmpint (n_messages_sent, <, OVERFLOW_NUM_SIGNALS);
/* now suck it all out as a client, and add it up */
socket = g_socket_new_from_fd (sv[1], &error);
g_assert_no_error (error);
socket_connection = g_socket_connection_factory_create_connection (socket);
g_assert (socket_connection != NULL);
g_object_unref (socket);
consumer = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
NULL, /* guid */
G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING,
NULL, /* GDBusAuthObserver */
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
g_object_unref (socket_connection);
n_messages_received = 0;
g_dbus_connection_add_filter (consumer, overflow_filter_func, (gpointer) &n_messages_received, NULL);
g_dbus_connection_start_message_processing (consumer);
timer = g_timer_new ();
g_timer_start (timer);
while (n_messages_received < OVERFLOW_NUM_SIGNALS && g_timer_elapsed (timer, NULL) < OVERFLOW_TIMEOUT_SEC)
g_main_context_iteration (NULL, FALSE);
g_assert_cmpint (n_messages_sent, ==, OVERFLOW_NUM_SIGNALS);
g_assert_cmpint (n_messages_received, ==, OVERFLOW_NUM_SIGNALS);
g_timer_destroy (timer);
g_object_unref (consumer);
g_object_unref (producer);
}
#else
static void
test_overflow (void)
{
/* TODO: test this with e.g. GWin32InputStream/GWin32OutputStream */
}
#endif
/* ---------------------------------------------------------------------------------------------------- */
int
main (int argc,
char *argv[])
{
gint ret;
GDBusNodeInfo *introspection_data = NULL;
gchar *tmpdir = NULL;
g_test_init (&argc, &argv, NULL);
introspection_data = g_dbus_node_info_new_for_xml (test_interface_introspection_xml, NULL);
g_assert (introspection_data != NULL);
test_interface_introspection_data = introspection_data->interfaces[0];
test_guid = g_dbus_generate_guid ();
if (is_unix)
{
if (g_unix_socket_address_abstract_names_supported ())
tmp_address = g_strdup ("unix:tmpdir=/tmp/gdbus-test-");
else
{
tmpdir = g_dir_make_tmp ("gdbus-test-XXXXXX", NULL);
tmp_address = g_strdup_printf ("unix:tmpdir=%s", tmpdir);
}
}
else
tmp_address = g_strdup ("nonce-tcp:");
/* all the tests rely on a shared main loop */
loop = g_main_loop_new (NULL, FALSE);
g_test_add_func ("/gdbus/overflow", test_overflow);
ret = g_test_run();
g_main_loop_unref (loop);
g_free (test_guid);
g_dbus_node_info_unref (introspection_data);
if (is_unix)
g_free (tmp_address);
if (tmpdir)
{
g_rmdir (tmpdir);
g_free (tmpdir);
}
return ret;
}
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