gstreamer/tests/check/pipelines/tcp.c

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/* GStreamer
*
* Copyright (C) 2014 William Manley <will@williammanley.net>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gio/gio.h>
#include <gst/check/gstcheck.h>
#include <gst/app/gstappsink.h>
#include <gst/app/gstappsrc.h>
#include <gst/net/gstnetcontrolmessagemeta.h>
#ifdef HAVE_GIO_UNIX_2_0
#include <gio/gunixfdmessage.h>
#endif /* HAVE_GIO_UNIX_2_0 */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <unistd.h>
static gboolean
g_socketpair (GSocketFamily family, GSocketType type, GSocketProtocol protocol,
GSocket * gsv[2], GError ** error);
typedef struct
{
GstElement *sink;
GstElement *src;
GstPipeline *sink_pipeline;
GstPipeline *src_pipeline;
GstAppSrc *sink_src;
GstAppSink *src_sink;
} SymmetryTest;
static void
symmetry_test_setup (SymmetryTest * st, GstElement * sink, GstElement * src)
{
GstCaps *caps;
st->sink = sink;
g_object_set (sink, "sync", FALSE, NULL);
st->src = src;
st->sink_pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
st->src_pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
st->sink_src = GST_APP_SRC (gst_element_factory_make ("appsrc", NULL));
fail_unless (st->sink_src != NULL);
caps = gst_caps_from_string ("application/x-gst-check");
gst_app_src_set_caps (st->sink_src, caps);
gst_caps_unref (caps);
gst_bin_add_many (GST_BIN (st->sink_pipeline), GST_ELEMENT (st->sink_src),
st->sink, NULL);
fail_unless (gst_element_link_many (GST_ELEMENT (st->sink_src), st->sink,
NULL));
st->src_sink = GST_APP_SINK (gst_element_factory_make ("appsink", NULL));
fail_unless (st->src_sink != NULL);
gst_bin_add_many (GST_BIN (st->src_pipeline), st->src,
GST_ELEMENT (st->src_sink), NULL);
fail_unless (gst_element_link_many (st->src, GST_ELEMENT (st->src_sink),
NULL));
gst_element_set_state (GST_ELEMENT (st->sink_pipeline), GST_STATE_PLAYING);
gst_element_set_state (GST_ELEMENT (st->src_pipeline), GST_STATE_PLAYING);
}
static void
symmetry_test_teardown (SymmetryTest * st)
{
fail_unless (gst_element_set_state (GST_ELEMENT (st->sink_pipeline),
GST_STATE_NULL) != GST_STATE_CHANGE_FAILURE);
fail_unless (gst_element_set_state (GST_ELEMENT (st->src_pipeline),
GST_STATE_NULL) != GST_STATE_CHANGE_FAILURE);
gst_object_unref (st->sink_pipeline);
gst_object_unref (st->src_pipeline);
memset (st, 0, sizeof (*st));
}
static void
symmetry_test_assert_passthrough (SymmetryTest * st, GstBuffer * in)
{
gpointer copy;
gsize data_size;
GstSample *out;
gst_buffer_extract_dup (in, 0, -1, &copy, &data_size);
fail_unless (gst_app_src_push_buffer (st->sink_src, in) == GST_FLOW_OK);
in = NULL;
out = gst_app_sink_pull_sample (st->src_sink);
fail_unless (out != NULL);
fail_unless (gst_buffer_get_size (gst_sample_get_buffer (out)) == data_size);
fail_unless (gst_buffer_memcmp (gst_sample_get_buffer (out), 0, copy,
data_size) == 0);
g_free (copy);
gst_sample_unref (out);
}
static gboolean
g_socketpair (GSocketFamily family, GSocketType type, GSocketProtocol protocol,
GSocket * gsv[2], GError ** error)
{
int ret;
int sv[2];
ret = socketpair (family, type, protocol, sv);
if (ret != 0) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "socketpair failed: %s",
g_strerror (errno));
return FALSE;
}
gsv[0] = g_socket_new_from_fd (sv[0], error);
if (gsv[0] == NULL) {
close (sv[0]);
close (sv[1]);
return FALSE;
}
gsv[1] = g_socket_new_from_fd (sv[1], error);
if (gsv[1] == NULL) {
g_object_unref (gsv[0]);
gsv[0] = NULL;
close (sv[1]);
return FALSE;
}
return TRUE;
}
static void
setup_multisocketsink_and_socketsrc (SymmetryTest * st)
{
GSocket *sockets[2] = { NULL, NULL };
GError *err = NULL;
st->sink = gst_check_setup_element ("multisocketsink");
st->src = gst_check_setup_element ("socketsrc");
fail_unless (g_socketpair (G_SOCKET_FAMILY_UNIX,
G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, sockets, &err));
g_object_set (st->src, "socket", sockets[0], NULL);
g_object_unref (sockets[0]);
sockets[0] = NULL;
symmetry_test_setup (st, st->sink, st->src);
g_signal_emit_by_name (st->sink, "add", sockets[1], NULL);
g_object_unref (sockets[1]);
sockets[1] = NULL;
}
GST_START_TEST (test_that_socketsrc_and_multisocketsink_are_symmetrical)
{
SymmetryTest st = { 0 };
setup_multisocketsink_and_socketsrc (&st);
symmetry_test_assert_passthrough (&st,
gst_buffer_new_wrapped (g_strdup ("hello"), 5));
symmetry_test_teardown (&st);
}
GST_END_TEST;
GST_START_TEST (test_that_tcpclientsink_and_tcpserversrc_are_symmetrical)
{
SymmetryTest st = { 0 };
GstElement *serversrc = gst_check_setup_element ("tcpserversrc");
gst_element_set_state (serversrc, GST_STATE_PAUSED);
symmetry_test_setup (&st, gst_check_setup_element ("tcpclientsink"),
serversrc);
symmetry_test_assert_passthrough (&st,
gst_buffer_new_wrapped (g_strdup ("hello"), 5));
symmetry_test_teardown (&st);
}
GST_END_TEST;
GST_START_TEST (test_that_tcpserversink_and_tcpclientsrc_are_symmetrical)
{
SymmetryTest st = { 0 };
GstElement *serversink = gst_check_setup_element ("tcpserversink");
guint timeout = 100;
symmetry_test_setup (&st, serversink,
gst_check_setup_element ("tcpclientsrc"));
/* Wait for the client to *actually* be connected before doing the
* test. The socket connection from the client might very well
* succeed, but that doesn't mean the server has accepted it yet. If
* we don't wait for the server to have accepted the connection, we
* would end up dropping the buffer (because no one is "connected")
* and the receiving side would wait forever. */
while (timeout) {
guint handles;
g_object_get (serversink, "num-handles", &handles, NULL);
if (handles > 0)
break;
/* Wait for 10ms to see if client connected */
g_usleep (G_USEC_PER_SEC / 100);
timeout--;
}
symmetry_test_assert_passthrough (&st,
gst_buffer_new_wrapped (g_strdup ("hello"), 5));
symmetry_test_teardown (&st);
}
GST_END_TEST;
static void
on_connection_closed (GstElement * socketsrc, gpointer user_data)
{
GSocket *socket = (GSocket *) user_data;
g_object_set (socketsrc, "socket", socket, NULL);
}
GST_START_TEST (test_that_we_can_provide_new_socketsrc_sockets_during_signal)
{
GSocket *sockets[4] = { NULL, NULL };
GstPipeline *pipeline = NULL;
GstAppSink *appsink = NULL;
GstElement *socketsrc = NULL;
GstSample *sample = NULL;
socketsrc = gst_check_setup_element ("socketsrc");
fail_unless (g_socketpair (G_SOCKET_FAMILY_UNIX,
G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, &sockets[0], NULL));
fail_unless (g_socket_send (sockets[0], "hello", 5, NULL, NULL) == 5);
fail_unless (g_socket_shutdown (sockets[0], FALSE, TRUE, NULL));
fail_unless (g_socketpair (G_SOCKET_FAMILY_UNIX,
G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_DEFAULT, &sockets[2], NULL));
fail_unless (g_socket_send (sockets[2], "goodbye", 7, NULL, NULL) == 7);
fail_unless (g_socket_shutdown (sockets[2], FALSE, TRUE, NULL));
g_object_set (socketsrc, "socket", sockets[1], NULL);
g_signal_connect (socketsrc, "connection-closed-by-peer",
G_CALLBACK (on_connection_closed), sockets[3]);
pipeline = (GstPipeline *) gst_pipeline_new (NULL);
appsink = GST_APP_SINK (gst_check_setup_element ("appsink"));
gst_bin_add_many (GST_BIN (pipeline), socketsrc, GST_ELEMENT (appsink), NULL);
fail_unless (gst_element_link_many (socketsrc, GST_ELEMENT (appsink), NULL));
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
fail_unless ((sample = gst_app_sink_pull_sample (appsink)) != NULL);
gst_buffer_memcmp (gst_sample_get_buffer (sample), 0, "hello", 5);
gst_sample_unref (sample);
fail_unless ((sample = gst_app_sink_pull_sample (appsink)) != NULL);
gst_buffer_memcmp (gst_sample_get_buffer (sample), 0, "goodbye", 7);
gst_sample_unref (sample);
fail_unless (NULL == gst_app_sink_pull_sample (appsink));
fail_unless (gst_app_sink_is_eos (appsink));
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
g_clear_object (&sockets[0]);
g_clear_object (&sockets[1]);
g_clear_object (&sockets[2]);
g_clear_object (&sockets[3]);
gst_object_unref (pipeline);
}
GST_END_TEST
#ifdef HAVE_GIO_UNIX_2_0
static GSocketControlMessage *
get_control_message_meta (GstBuffer * buf)
{
GstMeta *meta;
gpointer iter_state = NULL;
while ((meta = gst_buffer_iterate_meta (buf, &iter_state)) != NULL) {
if (meta->info->api == GST_NET_CONTROL_MESSAGE_META_API_TYPE)
return ((GstNetControlMessageMeta *) meta)->message;
}
fail ("Expected GSocketControlMessage attached to buffer");
return NULL;
}
GST_START_TEST (test_that_multisocketsink_and_socketsrc_preserve_meta)
{
GstBuffer *buf;
GSocketControlMessage *msg;
SymmetryTest st = { 0 };
char tmpfilename[] = "/tmp/tcp-test.XXXXXX";
GstSample *out;
int orig_fd, *new_fds, new_fds_len;
struct stat orig_stat, new_stat;
setup_multisocketsink_and_socketsrc (&st);
orig_fd = mkstemp (tmpfilename);
fail_unless (orig_fd > 0);
fail_unless (unlink (tmpfilename) == 0);
fstat (orig_fd, &orig_stat);
msg = g_unix_fd_message_new ();
fail_unless (g_unix_fd_message_append_fd ((GUnixFDMessage *) msg, orig_fd,
NULL));
close (orig_fd);
orig_fd = -1;
buf = gst_buffer_new_wrapped (g_strdup ("hello"), 5);
gst_buffer_add_net_control_message_meta (buf, msg);
g_clear_object (&msg);
fail_unless (gst_app_src_push_buffer (st.sink_src, buf) == GST_FLOW_OK);
buf = NULL;
out = gst_app_sink_pull_sample (st.src_sink);
fail_unless (out != NULL);
fail_unless (gst_buffer_get_size (gst_sample_get_buffer (out)) == 5);
fail_unless (gst_buffer_memcmp (gst_sample_get_buffer (out), 0, "hello",
5) == 0);
msg = get_control_message_meta (gst_sample_get_buffer (out));
fail_unless (g_socket_control_message_get_msg_type (msg) == SCM_RIGHTS);
new_fds = g_unix_fd_message_steal_fds ((GUnixFDMessage *) msg, &new_fds_len);
fail_unless (new_fds_len == 1);
fstat (new_fds[0], &new_stat);
fail_unless (orig_stat.st_ino, new_stat.st_ino);
close (new_fds[0]);
g_free (new_fds);
gst_sample_unref (out);
symmetry_test_teardown (&st);
}
GST_END_TEST;
#endif /* HAVE_GIO_UNIX_2_0 */
static Suite *
socketintegrationtest_suite (void)
{
Suite *s = suite_create ("socketintegrationtest");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain,
test_that_socketsrc_and_multisocketsink_are_symmetrical);
tcase_add_test (tc_chain,
test_that_tcpclientsink_and_tcpserversrc_are_symmetrical);
tcase_add_test (tc_chain,
test_that_tcpserversink_and_tcpclientsrc_are_symmetrical);
tcase_add_test (tc_chain,
test_that_we_can_provide_new_socketsrc_sockets_during_signal);
#ifdef HAVE_GIO_UNIX_2_0
tcase_add_test (tc_chain,
test_that_multisocketsink_and_socketsrc_preserve_meta);
#endif /* HAVE_GIO_UNIX_2_0 */
return s;
}
GST_CHECK_MAIN (socketintegrationtest);