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/* GStreamer
* Copyright (C) 2005 Andy Wingo <wingo@pobox.com>
*
* gstnetclientclock.c: Unit test for the network client clock
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/net/gstnet.h>
#include <unistd.h>
GST_START_TEST (test_instantiation)
{
GstClock *client, *local;
local = gst_system_clock_obtain ();
client = gst_net_client_clock_new (NULL, "127.0.0.1", 1234, GST_SECOND);
fail_unless (local != NULL, "failed to get system clock");
fail_unless (client != NULL, "failed to get network client clock");
/* one for gstreamer, one for us */
ASSERT_OBJECT_REFCOUNT (local, "system clock", 2);
ASSERT_OBJECT_REFCOUNT (client, "network client clock", 1);
gst_object_unref (client);
ASSERT_OBJECT_REFCOUNT (local, "system clock", 2);
gst_object_unref (local);
}
GST_END_TEST;
GST_START_TEST (test_functioning)
{
GstNetTimeProvider *ntp;
GstClock *client, *server;
GstClockTime basex, basey, rate_num, rate_denom;
GstClockTime servtime, clienttime;
gint port;
server = gst_system_clock_obtain ();
fail_unless (server != NULL, "failed to get system clock");
/* move the clock ahead 100 seconds */
gst_clock_get_calibration (server, &basex, &basey, &rate_num, &rate_denom);
basey += 100 * GST_SECOND;
gst_clock_set_calibration (server, basex, basey, rate_num, rate_denom);
ntp = gst_net_time_provider_new (server, "127.0.0.1", 0);
fail_unless (ntp != NULL, "failed to create network time provider");
g_object_get (ntp, "port", &port, NULL);
client = gst_net_client_clock_new (NULL, "127.0.0.1", port, GST_SECOND);
fail_unless (client != NULL, "failed to get network client clock");
g_object_get (client, "port", &port, NULL);
/* let the clocks synchronize */
g_usleep (G_USEC_PER_SEC);
servtime = gst_clock_get_time (server);
clienttime = gst_clock_get_time (client);
/* can't in general make a precise assertion here, because this depends on
* system load and a lot of things. however within half a second they should
* at least be within 1/10 of a second of each other... */
if (servtime > clienttime)
fail_unless (servtime - clienttime < 100 * GST_MSECOND,
"clocks not in sync (%" GST_TIME_FORMAT ")",
GST_TIME_ARGS (servtime - clienttime));
else
fail_unless (clienttime - servtime < 100 * GST_MSECOND,
"clocks not in sync (%" GST_TIME_FORMAT ")",
GST_TIME_ARGS (clienttime - servtime));
/*
g_print ("diff: %" GST_TIME_FORMAT,
GST_TIME_ARGS (servtime > clienttime ? servtime - clienttime
: clienttime - servtime));
*/
/* one for gstreamer, one for ntp, one for us */
ASSERT_OBJECT_REFCOUNT (server, "system clock", 3);
ASSERT_OBJECT_REFCOUNT (client, "network client clock", 1);
gst_object_unref (ntp);
ASSERT_OBJECT_REFCOUNT (server, "system clock", 2);
gst_object_unref (client);
gst_object_unref (server);
}
GST_END_TEST;
static Suite *
gst_net_client_clock_suite (void)
{
Suite *s = suite_create ("GstNetClientClock");
TCase *tc_chain = tcase_create ("generic tests");
tcase_set_timeout (tc_chain, 0);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_instantiation);
tcase_add_test (tc_chain, test_functioning);
return s;
}
GST_CHECK_MAIN (gst_net_client_clock);
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