2 * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
3 * Copyright (C) <2009> Jarkko Palviainen <jarkko.palviainen@sesca.com>
4 * Copyright (C) <2012> Collabora Ltd.
5 * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
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 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
24 * SECTION:element-multiudpsink
25 * @see_also: udpsink, multifdsink
27 * multiudpsink is a network sink that sends UDP packets to multiple
29 * It can be combined with rtp payload encoders to implement RTP streaming.
35 #include "gstmultiudpsink.h"
38 #ifdef HAVE_SYS_SOCKET_H
39 #include <sys/socket.h>
43 #include <netinet/in.h>
46 #include "gst/glib-compat-private.h"
48 GST_DEBUG_CATEGORY_STATIC (multiudpsink_debug);
49 #define GST_CAT_DEFAULT (multiudpsink_debug)
51 #define UDP_MAX_SIZE 65507
53 static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
58 /* MultiUDPSink signals and args */
69 SIGNAL_CLIENT_REMOVED,
75 #define DEFAULT_SOCKET NULL
76 #define DEFAULT_CLOSE_SOCKET TRUE
77 #define DEFAULT_USED_SOCKET NULL
78 #define DEFAULT_CLIENTS NULL
79 /* FIXME, this should be disabled by default, we don't need to join a multicast
80 * group for sending, if this socket is also used for receiving, it should
81 * be configured in the element that does the receive. */
82 #define DEFAULT_AUTO_MULTICAST TRUE
83 #define DEFAULT_MULTICAST_IFACE NULL
84 #define DEFAULT_TTL 64
85 #define DEFAULT_TTL_MC 1
86 #define DEFAULT_LOOP TRUE
87 #define DEFAULT_FORCE_IPV4 FALSE
88 #define DEFAULT_QOS_DSCP -1
89 #define DEFAULT_SEND_DUPLICATES TRUE
90 #define DEFAULT_BUFFER_SIZE 0
91 #define DEFAULT_BIND_ADDRESS NULL
92 #define DEFAULT_BIND_PORT 0
106 PROP_MULTICAST_IFACE,
112 PROP_SEND_DUPLICATES,
119 static void gst_multiudpsink_finalize (GObject * object);
121 static GstFlowReturn gst_multiudpsink_render (GstBaseSink * sink,
123 static GstFlowReturn gst_multiudpsink_render_list (GstBaseSink * bsink,
124 GstBufferList * buffer_list);
126 static gboolean gst_multiudpsink_start (GstBaseSink * bsink);
127 static gboolean gst_multiudpsink_stop (GstBaseSink * bsink);
128 static gboolean gst_multiudpsink_unlock (GstBaseSink * bsink);
129 static gboolean gst_multiudpsink_unlock_stop (GstBaseSink * bsink);
131 static void gst_multiudpsink_set_property (GObject * object, guint prop_id,
132 const GValue * value, GParamSpec * pspec);
133 static void gst_multiudpsink_get_property (GObject * object, guint prop_id,
134 GValue * value, GParamSpec * pspec);
136 static void gst_multiudpsink_add_internal (GstMultiUDPSink * sink,
137 const gchar * host, gint port, gboolean lock);
138 static void gst_multiudpsink_clear_internal (GstMultiUDPSink * sink,
141 static guint gst_multiudpsink_signals[LAST_SIGNAL] = { 0 };
143 #define gst_multiudpsink_parent_class parent_class
144 G_DEFINE_TYPE (GstMultiUDPSink, gst_multiudpsink, GST_TYPE_BASE_SINK);
147 gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
149 GObjectClass *gobject_class;
150 GstElementClass *gstelement_class;
151 GstBaseSinkClass *gstbasesink_class;
153 gobject_class = (GObjectClass *) klass;
154 gstelement_class = (GstElementClass *) klass;
155 gstbasesink_class = (GstBaseSinkClass *) klass;
157 gobject_class->set_property = gst_multiudpsink_set_property;
158 gobject_class->get_property = gst_multiudpsink_get_property;
159 gobject_class->finalize = gst_multiudpsink_finalize;
162 * GstMultiUDPSink::add:
163 * @gstmultiudpsink: the sink on which the signal is emitted
164 * @host: the hostname/IP address of the client to add
165 * @port: the port of the client to add
167 * Add a client with destination @host and @port to the list of
168 * clients. When the same host/port pair is added multiple times, the
169 * send-duplicates property defines if the packets are sent multiple times to
170 * the same host/port pair or not.
172 * When a host/port pair is added multiple times, an equal amount of remove
173 * calls must be performed to actually remove the host/port pair from the list
176 gst_multiudpsink_signals[SIGNAL_ADD] =
177 g_signal_new ("add", G_TYPE_FROM_CLASS (klass),
178 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
179 G_STRUCT_OFFSET (GstMultiUDPSinkClass, add),
180 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
181 G_TYPE_STRING, G_TYPE_INT);
183 * GstMultiUDPSink::remove:
184 * @gstmultiudpsink: the sink on which the signal is emitted
185 * @host: the hostname/IP address of the client to remove
186 * @port: the port of the client to remove
188 * Remove the client with destination @host and @port from the list of
191 gst_multiudpsink_signals[SIGNAL_REMOVE] =
192 g_signal_new ("remove", G_TYPE_FROM_CLASS (klass),
193 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
194 G_STRUCT_OFFSET (GstMultiUDPSinkClass, remove),
195 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
196 G_TYPE_STRING, G_TYPE_INT);
198 * GstMultiUDPSink::clear:
199 * @gstmultiudpsink: the sink on which the signal is emitted
201 * Clear the list of clients.
203 gst_multiudpsink_signals[SIGNAL_CLEAR] =
204 g_signal_new ("clear", G_TYPE_FROM_CLASS (klass),
205 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
206 G_STRUCT_OFFSET (GstMultiUDPSinkClass, clear),
207 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 0);
209 * GstMultiUDPSink::get-stats:
210 * @gstmultiudpsink: the sink on which the signal is emitted
211 * @host: the hostname/IP address of the client to get stats on
212 * @port: the port of the client to get stats on
214 * Get the statistics of the client with destination @host and @port.
216 * Returns: a GstStructure: bytes_sent, packets_sent,
217 * connect_time (in epoch seconds), disconnect_time (in epoch seconds)
219 gst_multiudpsink_signals[SIGNAL_GET_STATS] =
220 g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass),
221 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
222 G_STRUCT_OFFSET (GstMultiUDPSinkClass, get_stats),
223 NULL, NULL, g_cclosure_marshal_generic, GST_TYPE_STRUCTURE, 2,
224 G_TYPE_STRING, G_TYPE_INT);
226 * GstMultiUDPSink::client-added:
227 * @gstmultiudpsink: the sink emitting the signal
228 * @host: the hostname/IP address of the added client
229 * @port: the port of the added client
231 * Signal emited when a new client is added to the list of
234 gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED] =
235 g_signal_new ("client-added", G_TYPE_FROM_CLASS (klass),
236 G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, client_added),
237 NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
238 G_TYPE_STRING, G_TYPE_INT);
240 * GstMultiUDPSink::client-removed:
241 * @gstmultiudpsink: the sink emitting the signal
242 * @host: the hostname/IP address of the removed client
243 * @port: the port of the removed client
245 * Signal emited when a client is removed from the list of
248 gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED] =
249 g_signal_new ("client-removed", G_TYPE_FROM_CLASS (klass),
250 G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass,
251 client_removed), NULL, NULL, g_cclosure_marshal_generic,
252 G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
254 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_TO_SERVE,
255 g_param_spec_uint64 ("bytes-to-serve", "Bytes to serve",
256 "Number of bytes received to serve to clients", 0, G_MAXUINT64, 0,
257 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
258 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_SERVED,
259 g_param_spec_uint64 ("bytes-served", "Bytes served",
260 "Total number of bytes sent to all clients", 0, G_MAXUINT64, 0,
261 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
262 g_object_class_install_property (gobject_class, PROP_SOCKET,
263 g_param_spec_object ("socket", "Socket Handle",
264 "Socket to use for UDP sending. (NULL == allocate)",
265 G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
266 g_object_class_install_property (gobject_class, PROP_SOCKET_V6,
267 g_param_spec_object ("socket-v6", "Socket Handle IPv6",
268 "Socket to use for UDPv6 sending. (NULL == allocate)",
269 G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
270 g_object_class_install_property (gobject_class, PROP_CLOSE_SOCKET,
271 g_param_spec_boolean ("close-socket", "Close socket",
272 "Close socket if passed as property on state change",
273 DEFAULT_CLOSE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
274 g_object_class_install_property (gobject_class, PROP_USED_SOCKET,
275 g_param_spec_object ("used-socket", "Used Socket Handle",
276 "Socket currently in use for UDP sending. (NULL == no socket)",
277 G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
278 g_object_class_install_property (gobject_class, PROP_USED_SOCKET_V6,
279 g_param_spec_object ("used-socket-v6", "Used Socket Handle IPv6",
280 "Socket currently in use for UDPv6 sending. (NULL == no socket)",
281 G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
282 g_object_class_install_property (gobject_class, PROP_CLIENTS,
283 g_param_spec_string ("clients", "Clients",
284 "A comma separated list of host:port pairs with destinations",
285 DEFAULT_CLIENTS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
286 g_object_class_install_property (gobject_class, PROP_AUTO_MULTICAST,
287 g_param_spec_boolean ("auto-multicast",
288 "Automatically join/leave multicast groups",
289 "Automatically join/leave the multicast groups, FALSE means user"
290 " has to do it himself", DEFAULT_AUTO_MULTICAST,
291 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
292 g_object_class_install_property (gobject_class, PROP_MULTICAST_IFACE,
293 g_param_spec_string ("multicast-iface", "Multicast Interface",
294 "The network interface on which to join the multicast group",
295 DEFAULT_MULTICAST_IFACE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
296 g_object_class_install_property (gobject_class, PROP_TTL,
297 g_param_spec_int ("ttl", "Unicast TTL",
298 "Used for setting the unicast TTL parameter",
299 0, 255, DEFAULT_TTL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
300 g_object_class_install_property (gobject_class, PROP_TTL_MC,
301 g_param_spec_int ("ttl-mc", "Multicast TTL",
302 "Used for setting the multicast TTL parameter",
303 0, 255, DEFAULT_TTL_MC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
304 g_object_class_install_property (gobject_class, PROP_LOOP,
305 g_param_spec_boolean ("loop", "Multicast Loopback",
306 "Used for setting the multicast loop parameter. TRUE = enable,"
307 " FALSE = disable", DEFAULT_LOOP,
308 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
310 * GstMultiUDPSink::force-ipv4:
312 * Force the use of an IPv4 socket.
316 #ifndef GST_REMOVE_DEPRECATED
317 g_object_class_install_property (gobject_class, PROP_FORCE_IPV4,
318 g_param_spec_boolean ("force-ipv4", "Force IPv4",
319 "Forcing the use of an IPv4 socket (DEPRECATED, has no effect anymore)",
321 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_DEPRECATED));
323 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QOS_DSCP,
324 g_param_spec_int ("qos-dscp", "QoS diff srv code point",
325 "Quality of Service, differentiated services code point (-1 default)",
326 -1, 63, DEFAULT_QOS_DSCP,
327 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
329 * GstMultiUDPSink::send-duplicates:
331 * When a host/port pair is added mutliple times, send the packet to the host
332 * multiple times as well.
334 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEND_DUPLICATES,
335 g_param_spec_boolean ("send-duplicates", "Send Duplicates",
336 "When a distination/port pair is added multiple times, send packets "
337 "multiple times as well", DEFAULT_SEND_DUPLICATES,
338 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
340 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE,
341 g_param_spec_int ("buffer-size", "Buffer Size",
342 "Size of the kernel send buffer in bytes, 0=default", 0, G_MAXINT,
343 DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
345 g_object_class_install_property (gobject_class, PROP_BIND_ADDRESS,
346 g_param_spec_string ("bind-address", "Bind Address",
347 "Address to bind the socket to", DEFAULT_BIND_ADDRESS,
348 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
349 g_object_class_install_property (gobject_class, PROP_BIND_PORT,
350 g_param_spec_int ("bind-port", "Bind Port",
351 "Port to bind the socket to", 0, G_MAXUINT16,
352 DEFAULT_BIND_PORT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
354 gst_element_class_add_pad_template (gstelement_class,
355 gst_static_pad_template_get (&sink_template));
357 gst_element_class_set_static_metadata (gstelement_class, "UDP packet sender",
359 "Send data over the network via UDP to one or multiple recipients "
360 "which can be added or removed at runtime using action signals",
361 "Wim Taymans <wim.taymans@gmail.com>");
363 gstbasesink_class->render = gst_multiudpsink_render;
364 gstbasesink_class->render_list = gst_multiudpsink_render_list;
365 gstbasesink_class->start = gst_multiudpsink_start;
366 gstbasesink_class->stop = gst_multiudpsink_stop;
367 gstbasesink_class->unlock = gst_multiudpsink_unlock;
368 gstbasesink_class->unlock_stop = gst_multiudpsink_unlock_stop;
369 klass->add = gst_multiudpsink_add;
370 klass->remove = gst_multiudpsink_remove;
371 klass->clear = gst_multiudpsink_clear;
372 klass->get_stats = gst_multiudpsink_get_stats;
374 GST_DEBUG_CATEGORY_INIT (multiudpsink_debug, "multiudpsink", 0, "UDP sink");
379 gst_multiudpsink_init (GstMultiUDPSink * sink)
383 g_mutex_init (&sink->client_lock);
384 sink->clients = NULL;
385 sink->num_v4_unique = 0;
386 sink->num_v4_all = 0;
387 sink->num_v6_unique = 0;
388 sink->num_v6_all = 0;
390 sink->socket = DEFAULT_SOCKET;
391 sink->socket_v6 = DEFAULT_SOCKET;
392 sink->used_socket = DEFAULT_USED_SOCKET;
393 sink->used_socket_v6 = DEFAULT_USED_SOCKET;
394 sink->close_socket = DEFAULT_CLOSE_SOCKET;
395 sink->external_socket = (sink->socket != NULL);
396 sink->auto_multicast = DEFAULT_AUTO_MULTICAST;
397 sink->ttl = DEFAULT_TTL;
398 sink->ttl_mc = DEFAULT_TTL_MC;
399 sink->loop = DEFAULT_LOOP;
400 sink->force_ipv4 = DEFAULT_FORCE_IPV4;
401 sink->qos_dscp = DEFAULT_QOS_DSCP;
402 sink->send_duplicates = DEFAULT_SEND_DUPLICATES;
403 sink->multi_iface = g_strdup (DEFAULT_MULTICAST_IFACE);
405 sink->cancellable = g_cancellable_new ();
407 /* allocate OutputVector and MapInfo for use in the render function, buffers can
408 * hold up to a maximum amount of memory so we can create a maximally sized
410 max_mem = gst_buffer_get_max_memory ();
412 sink->vec = g_new (GOutputVector, max_mem);
413 sink->map = g_new (GstMapInfo, max_mem);
415 /* we assume that the number of memories per buffer can fit into a guint8 */
416 g_warn_if_fail (max_mem <= G_MAXUINT8);
419 static GstUDPClient *
420 gst_udp_client_new (GstMultiUDPSink * sink, const gchar * host, gint port)
422 GstUDPClient *client;
427 addr = g_inet_address_new_from_string (host);
431 resolver = g_resolver_get_default ();
433 g_resolver_lookup_by_name (resolver, host, sink->cancellable, &err);
436 addr = G_INET_ADDRESS (g_object_ref (results->data));
438 g_resolver_free_addresses (results);
439 g_object_unref (resolver);
441 #ifndef GST_DISABLE_GST_DEBUG
443 gchar *ip = g_inet_address_to_string (addr);
445 GST_DEBUG_OBJECT (sink, "IP address for host %s is %s", host, ip);
450 client = g_slice_new0 (GstUDPClient);
451 client->ref_count = 1;
452 client->add_count = 0;
453 client->host = g_strdup (host);
455 client->addr = g_inet_socket_address_new (addr, port);
456 g_object_unref (addr);
462 g_object_unref (resolver);
468 /* call with client lock held */
470 gst_udp_client_unref (GstUDPClient * client)
472 if (--client->ref_count == 0) {
473 g_object_unref (client->addr);
474 g_free (client->host);
475 g_slice_free (GstUDPClient, client);
479 /* call with client lock held */
480 static inline GstUDPClient *
481 gst_udp_client_ref (GstUDPClient * client)
488 client_compare (GstUDPClient * a, GstUDPClient * b)
490 if ((a->port == b->port) && (strcmp (a->host, b->host) == 0))
497 gst_multiudpsink_finalize (GObject * object)
499 GstMultiUDPSink *sink;
501 sink = GST_MULTIUDPSINK (object);
503 g_list_foreach (sink->clients, (GFunc) gst_udp_client_unref, NULL);
504 g_list_free (sink->clients);
507 g_object_unref (sink->socket);
511 g_object_unref (sink->socket_v6);
512 sink->socket_v6 = NULL;
514 if (sink->used_socket)
515 g_object_unref (sink->used_socket);
516 sink->used_socket = NULL;
518 if (sink->used_socket_v6)
519 g_object_unref (sink->used_socket_v6);
520 sink->used_socket_v6 = NULL;
522 if (sink->cancellable)
523 g_object_unref (sink->cancellable);
524 sink->cancellable = NULL;
526 g_free (sink->multi_iface);
527 sink->multi_iface = NULL;
534 g_free (sink->bind_address);
535 sink->bind_address = NULL;
537 g_mutex_clear (&sink->client_lock);
539 G_OBJECT_CLASS (parent_class)->finalize (object);
542 /* replacement until we can depend unconditionally on the real one in GLib */
543 #ifndef HAVE_G_SOCKET_SEND_MESSAGES
544 #define g_socket_send_messages gst_socket_send_messages
547 gst_socket_send_messages (GSocket * socket, GstOutputMessage * messages,
548 guint num_messages, gint flags, GCancellable * cancellable, GError ** error)
553 for (i = 0; i < num_messages; ++i) {
554 GstOutputMessage *msg = &messages[i];
555 GError *msg_error = NULL;
557 result = g_socket_send_message (socket, msg->address,
558 msg->vectors, msg->num_vectors,
559 msg->control_messages, msg->num_control_messages,
560 flags, cancellable, &msg_error);
563 /* if we couldn't send all messages, just return how many we did
564 * manage to send, provided we managed to send at least one */
565 if (msg_error->code == G_IO_ERROR_WOULD_BLOCK && i > 0) {
566 g_error_free (msg_error);
569 g_propagate_error (error, msg_error);
574 msg->bytes_sent = result;
579 #endif /* HAVE_G_SOCKET_SEND_MESSAGES */
582 fill_vectors (GOutputVector * vecs, GstMapInfo * maps, guint n, GstBuffer * buf)
588 g_assert (gst_buffer_n_memory (buf) == n);
590 for (i = 0; i < n; ++i) {
591 mem = gst_buffer_peek_memory (buf, i);
592 if (gst_memory_map (mem, &maps[i], GST_MAP_READ)) {
593 vecs[i].buffer = maps[i].data;
594 vecs[i].size = maps[i].size;
596 GST_WARNING ("Failed to map memory %p for reading", mem);
600 size += vecs[i].size;
607 gst_udp_calc_message_size (GstOutputMessage * msg)
612 for (i = 0; i < msg->num_vectors; ++i)
613 size += msg->vectors[i].size;
619 gst_udp_messsages_find_first_not_sent (GstOutputMessage * messages,
624 for (i = 0; i < num_messages; ++i) {
625 GstOutputMessage *msg = &messages[i];
627 if (msg->bytes_sent == 0 && gst_udp_calc_message_size (msg) > 0)
634 static inline gchar *
635 gst_udp_address_get_string (GSocketAddress * addr, gchar * s, gsize size)
637 GInetSocketAddress *isa = G_INET_SOCKET_ADDRESS (addr);
641 ia = g_inet_socket_address_get_address (isa);
642 addr_str = g_inet_address_to_string (ia);
643 g_snprintf (s, size, "%s:%u", addr_str, g_inet_socket_address_get_port (isa));
650 /* Wrapper around g_socket_send_messages() plus error handling (ignoring).
651 * Returns FALSE if we got cancelled, otherwise TRUE. */
653 gst_multiudpsink_send_messages (GstMultiUDPSink * sink, GSocket * socket,
654 GstOutputMessage * messages, guint num_messages)
656 gboolean sent_max_size_warning = FALSE;
658 while (num_messages > 0) {
659 gchar astr[64] G_GNUC_UNUSED;
661 guint msg_size, skip, i;
664 ret = g_socket_send_messages (socket, messages, num_messages, 0,
665 sink->cancellable, &err);
667 if (G_UNLIKELY (ret < 0)) {
668 GstOutputMessage *msg;
670 if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
671 g_clear_error (&err);
675 err_idx = gst_udp_messsages_find_first_not_sent (messages, num_messages);
679 msg = &messages[err_idx];
680 msg_size = gst_udp_calc_message_size (msg);
682 GST_LOG_OBJECT (sink, "error sending %u bytes to client %s: %s", msg_size,
683 gst_udp_address_get_string (msg->address, astr, sizeof (astr)),
687 if (msg_size > UDP_MAX_SIZE) {
688 if (!sent_max_size_warning) {
689 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
690 ("Attempting to send a UDP packets larger than maximum size "
691 "(%u > %d)", msg_size, UDP_MAX_SIZE),
692 ("Reason: %s", err ? err->message : "unknown reason"));
693 sent_max_size_warning = FALSE;
696 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
697 ("Error sending UDP packets"), ("client %s, reason: %s",
698 gst_udp_address_get_string (msg->address, astr, sizeof (astr)),
699 (err != NULL) ? err->message : "unknown reason"));
701 for (i = err_idx + 1; i < num_messages; ++i, ++skip) {
702 if (messages[i].address != msg->address)
705 GST_DEBUG_OBJECT (sink, "skipping %d message(s) to same client", skip);
708 /* ignore any errors and try sending the rest */
709 g_clear_error (&err);
713 g_assert (ret <= num_messages);
723 gst_multiudpsink_render_buffers (GstMultiUDPSink * sink, GstBuffer ** buffers,
724 guint num_buffers, guint8 * mem_nums, guint total_mem_num)
726 GstOutputMessage *msgs;
727 gboolean send_duplicates;
728 GstUDPClient **clients;
730 GstMapInfo *map_infos;
731 GstFlowReturn flow_ret;
732 guint num_addr_v4, num_addr_v6;
733 guint num_addr, num_msgs;
739 send_duplicates = sink->send_duplicates;
741 g_mutex_lock (&sink->client_lock);
743 if (send_duplicates) {
744 num_addr_v4 = sink->num_v4_all;
745 num_addr_v6 = sink->num_v6_all;
747 num_addr_v4 = sink->num_v4_unique;
748 num_addr_v6 = sink->num_v6_unique;
750 num_addr = num_addr_v4 + num_addr_v6;
755 clients = g_newa (GstUDPClient *, num_addr);
756 for (l = sink->clients, i = 0; l != NULL; l = l->next) {
757 GstUDPClient *client = l->data;
759 clients[i++] = gst_udp_client_ref (client);
760 for (j = 1; send_duplicates && j < client->add_count; ++j)
761 clients[i++] = gst_udp_client_ref (client);
763 g_assert_cmpuint (i, ==, num_addr);
765 g_mutex_unlock (&sink->client_lock);
767 GST_LOG_OBJECT (sink, "%u buffers, %u memories -> to be sent to %u clients",
768 num_buffers, total_mem_num, num_addr);
770 vecs = g_newa (GOutputVector, total_mem_num);
771 map_infos = g_newa (GstMapInfo, total_mem_num);
773 num_msgs = num_addr * num_buffers;
774 msgs = g_newa (GstOutputMessage, num_msgs);
776 /* populate first num_buffers messages with output vectors for the buffers */
777 for (i = 0, mem = 0; i < num_buffers; ++i) {
778 size += fill_vectors (&vecs[mem], &map_infos[mem], mem_nums[i], buffers[i]);
779 msgs[i].vectors = &vecs[mem];
780 msgs[i].num_vectors = mem_nums[i];
781 msgs[i].num_control_messages = 0;
782 msgs[i].control_messages = NULL;
783 msgs[i].address = clients[0]->addr;
787 /* FIXME: how about some locking? (there wasn't any before either, but..) */
788 sink->bytes_to_serve += size;
790 /* now copy the pre-filled num_buffer messages over to the next num_buffer
791 * messages for the next client, where we also change the target adddress */
792 for (i = 1; i < num_addr; ++i) {
793 for (j = 0; j < num_buffers; ++j) {
794 msgs[i * num_buffers + j] = msgs[j];
795 msgs[i * num_buffers + j].address = clients[i]->addr;
803 /* no IPv4 socket? Send it all from the IPv6 socket then.. */
804 if (sink->used_socket == NULL) {
805 ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
808 guint num_msgs_v4 = num_buffers * num_addr_v4;
809 guint num_msgs_v6 = num_buffers * num_addr_v6;
811 /* our client list is sorted with IPv4 clients first and IPv6 ones last */
812 ret = gst_multiudpsink_send_messages (sink, sink->used_socket,
818 ret = gst_multiudpsink_send_messages (sink, sink->used_socket_v6,
819 msgs + num_msgs_v4, num_msgs_v6);
826 flow_ret = GST_FLOW_OK;
828 /* now update stats */
829 g_mutex_lock (&sink->client_lock);
831 for (i = 0; i < num_addr; ++i) {
832 GstUDPClient *client = clients[i];
834 for (j = 0; j < num_buffers; ++j) {
837 bytes_sent = msgs[i * num_buffers + j].bytes_sent;
839 client->bytes_sent += bytes_sent;
840 client->packets_sent++;
841 sink->bytes_served += bytes_sent;
843 gst_udp_client_unref (client);
846 g_mutex_unlock (&sink->client_lock);
850 for (i = 0; i < mem; ++i)
851 gst_memory_unmap (map_infos[i].memory, &map_infos[i]);
857 g_mutex_unlock (&sink->client_lock);
858 GST_LOG_OBJECT (sink, "no clients");
863 GST_INFO_OBJECT (sink, "cancelled");
864 g_clear_error (&err);
865 flow_ret = GST_FLOW_FLUSHING;
867 g_mutex_lock (&sink->client_lock);
868 for (i = 0; i < num_addr; ++i)
869 gst_udp_client_unref (clients[i]);
870 g_mutex_unlock (&sink->client_lock);
876 gst_multiudpsink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
878 GstMultiUDPSink *sink;
883 guint i, num_buffers;
885 sink = GST_MULTIUDPSINK_CAST (bsink);
887 num_buffers = gst_buffer_list_length (buffer_list);
888 if (num_buffers == 0)
891 buffers = g_newa (GstBuffer *, num_buffers);
892 mem_nums = g_newa (guint8, num_buffers);
893 for (i = 0, total_mems = 0; i < num_buffers; ++i) {
894 buffers[i] = gst_buffer_list_get (buffer_list, i);
895 mem_nums[i] = gst_buffer_n_memory (buffers[i]);
896 total_mems += mem_nums[i];
899 flow = gst_multiudpsink_render_buffers (sink, buffers, num_buffers,
900 mem_nums, total_mems);
906 GST_LOG_OBJECT (sink, "empty buffer");
912 gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
914 GstMultiUDPSink *sink;
921 gint num, no_clients;
924 sink = GST_MULTIUDPSINK_CAST (bsink);
926 n_mem = gst_buffer_n_memory (buffer);
930 /* pre-allocated, the max number of memory blocks is limited so this
931 * should not cause overflows */
936 for (i = 0; i < n_mem; i++) {
937 mem = gst_buffer_peek_memory (buffer, i);
938 gst_memory_map (mem, &map[i], GST_MAP_READ);
940 vec[i].buffer = map[i].data;
941 vec[i].size = map[i].size;
946 sink->bytes_to_serve += size;
948 /* grab lock while iterating and sending to clients, this should be
949 * fast as UDP never blocks */
950 g_mutex_lock (&sink->client_lock);
951 GST_LOG_OBJECT (bsink, "about to send %" G_GSIZE_FORMAT " bytes in %u blocks",
956 for (clients = sink->clients; clients; clients = g_list_next (clients)) {
957 GstUDPClient *client;
959 GSocketFamily family;
962 client = (GstUDPClient *) clients->data;
964 GST_LOG_OBJECT (sink, "sending %" G_GSIZE_FORMAT " bytes to client %p",
967 family = g_socket_address_get_family (G_SOCKET_ADDRESS (client->addr));
968 /* Select socket to send from for this address */
969 if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
970 socket = sink->used_socket_v6;
972 socket = sink->used_socket;
974 count = sink->send_duplicates ? client->add_count : 1;
980 g_socket_send_message (socket, client->addr, vec, n_mem,
981 NULL, 0, 0, sink->cancellable, &err);
983 if (G_UNLIKELY (ret < 0)) {
984 if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED))
987 /* we continue after posting a warning, next packets might be ok
989 if (size > UDP_MAX_SIZE) {
990 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
991 ("Attempting to send a UDP packet larger than maximum size "
992 "(%" G_GSIZE_FORMAT " > %d)", size, UDP_MAX_SIZE),
993 ("Reason: %s", err ? err->message : "unknown reason"));
995 GST_ELEMENT_WARNING (sink, RESOURCE, WRITE,
996 ("Error sending UDP packet"), ("Reason: %s",
997 err ? err->message : "unknown reason"));
999 g_clear_error (&err);
1002 client->bytes_sent += ret;
1003 client->packets_sent++;
1004 sink->bytes_served += ret;
1008 g_mutex_unlock (&sink->client_lock);
1010 /* unmap all memory again */
1011 for (i = 0; i < n_mem; i++)
1012 gst_memory_unmap (map[i].memory, &map[i]);
1014 GST_LOG_OBJECT (sink, "sent %" G_GSIZE_FORMAT " bytes to %d (of %d) clients",
1015 size, num, no_clients);
1025 GST_DEBUG ("we are flushing");
1026 g_mutex_unlock (&sink->client_lock);
1027 g_clear_error (&err);
1029 /* unmap all memory */
1030 for (i = 0; i < n_mem; i++)
1031 gst_memory_unmap (map[i].memory, &map[i]);
1033 return GST_FLOW_FLUSHING;
1038 gst_multiudpsink_set_clients_string (GstMultiUDPSink * sink,
1039 const gchar * string)
1044 clients = g_strsplit (string, ",", 0);
1046 g_mutex_lock (&sink->client_lock);
1047 /* clear all existing clients */
1048 gst_multiudpsink_clear_internal (sink, FALSE);
1049 for (i = 0; clients[i]; i++) {
1054 p = strstr (clients[i], ":");
1057 port = g_ascii_strtoll (p + 1, NULL, 10);
1060 gst_multiudpsink_add_internal (sink, host, port, FALSE);
1062 g_mutex_unlock (&sink->client_lock);
1064 g_strfreev (clients);
1068 gst_multiudpsink_get_clients_string (GstMultiUDPSink * sink)
1073 str = g_string_new ("");
1075 g_mutex_lock (&sink->client_lock);
1076 clients = sink->clients;
1078 GstUDPClient *client;
1081 client = (GstUDPClient *) clients->data;
1083 clients = g_list_next (clients);
1085 count = client->add_count;
1087 g_string_append_printf (str, "%s:%d%s", client->host, client->port,
1088 (clients || count > 1 ? "," : ""));
1091 g_mutex_unlock (&sink->client_lock);
1093 return g_string_free (str, FALSE);
1097 gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink, GSocket * socket)
1099 /* don't touch on -1 */
1100 if (sink->qos_dscp < 0)
1111 fd = g_socket_get_fd (socket);
1113 GST_DEBUG_OBJECT (sink, "setting TOS to %d", sink->qos_dscp);
1115 /* Extract and shift 6 bits of DSFIELD */
1116 tos = (sink->qos_dscp & 0x3f) << 2;
1118 if (setsockopt (fd, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0) {
1119 GST_ERROR_OBJECT (sink, "could not set TOS: %s", g_strerror (errno));
1122 if (setsockopt (fd, IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof (tos)) < 0) {
1123 GST_ERROR_OBJECT (sink, "could not set TCLASS: %s", g_strerror (errno));
1131 gst_multiudpsink_set_property (GObject * object, guint prop_id,
1132 const GValue * value, GParamSpec * pspec)
1134 GstMultiUDPSink *udpsink;
1136 udpsink = GST_MULTIUDPSINK (object);
1140 if (udpsink->socket != NULL && udpsink->socket != udpsink->used_socket &&
1141 udpsink->close_socket) {
1144 if (!g_socket_close (udpsink->socket, &err)) {
1145 GST_ERROR ("failed to close socket %p: %s", udpsink->socket,
1147 g_clear_error (&err);
1150 if (udpsink->socket)
1151 g_object_unref (udpsink->socket);
1152 udpsink->socket = g_value_dup_object (value);
1153 GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket);
1155 case PROP_SOCKET_V6:
1156 if (udpsink->socket_v6 != NULL
1157 && udpsink->socket_v6 != udpsink->used_socket_v6
1158 && udpsink->close_socket) {
1161 if (!g_socket_close (udpsink->socket_v6, &err)) {
1162 GST_ERROR ("failed to close socket %p: %s", udpsink->socket_v6,
1164 g_clear_error (&err);
1167 if (udpsink->socket_v6)
1168 g_object_unref (udpsink->socket_v6);
1169 udpsink->socket_v6 = g_value_dup_object (value);
1170 GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket_v6);
1172 case PROP_CLOSE_SOCKET:
1173 udpsink->close_socket = g_value_get_boolean (value);
1176 gst_multiudpsink_set_clients_string (udpsink, g_value_get_string (value));
1178 case PROP_AUTO_MULTICAST:
1179 udpsink->auto_multicast = g_value_get_boolean (value);
1181 case PROP_MULTICAST_IFACE:
1182 g_free (udpsink->multi_iface);
1184 if (g_value_get_string (value) == NULL)
1185 udpsink->multi_iface = g_strdup (DEFAULT_MULTICAST_IFACE);
1187 udpsink->multi_iface = g_value_dup_string (value);
1190 udpsink->ttl = g_value_get_int (value);
1193 udpsink->ttl_mc = g_value_get_int (value);
1196 udpsink->loop = g_value_get_boolean (value);
1198 case PROP_FORCE_IPV4:
1199 udpsink->force_ipv4 = g_value_get_boolean (value);
1202 udpsink->qos_dscp = g_value_get_int (value);
1203 gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket);
1204 gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket_v6);
1206 case PROP_SEND_DUPLICATES:
1207 udpsink->send_duplicates = g_value_get_boolean (value);
1209 case PROP_BUFFER_SIZE:
1210 udpsink->buffer_size = g_value_get_int (value);
1212 case PROP_BIND_ADDRESS:
1213 g_free (udpsink->bind_address);
1214 udpsink->bind_address = g_value_dup_string (value);
1216 case PROP_BIND_PORT:
1217 udpsink->bind_port = g_value_get_int (value);
1220 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1226 gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value,
1229 GstMultiUDPSink *udpsink;
1231 udpsink = GST_MULTIUDPSINK (object);
1234 case PROP_BYTES_TO_SERVE:
1235 g_value_set_uint64 (value, udpsink->bytes_to_serve);
1237 case PROP_BYTES_SERVED:
1238 g_value_set_uint64 (value, udpsink->bytes_served);
1241 g_value_set_object (value, udpsink->socket);
1243 case PROP_SOCKET_V6:
1244 g_value_set_object (value, udpsink->socket_v6);
1246 case PROP_CLOSE_SOCKET:
1247 g_value_set_boolean (value, udpsink->close_socket);
1249 case PROP_USED_SOCKET:
1250 g_value_set_object (value, udpsink->used_socket);
1252 case PROP_USED_SOCKET_V6:
1253 g_value_set_object (value, udpsink->used_socket_v6);
1256 g_value_take_string (value,
1257 gst_multiudpsink_get_clients_string (udpsink));
1259 case PROP_AUTO_MULTICAST:
1260 g_value_set_boolean (value, udpsink->auto_multicast);
1262 case PROP_MULTICAST_IFACE:
1263 g_value_set_string (value, udpsink->multi_iface);
1266 g_value_set_int (value, udpsink->ttl);
1269 g_value_set_int (value, udpsink->ttl_mc);
1272 g_value_set_boolean (value, udpsink->loop);
1274 case PROP_FORCE_IPV4:
1275 g_value_set_boolean (value, udpsink->force_ipv4);
1278 g_value_set_int (value, udpsink->qos_dscp);
1280 case PROP_SEND_DUPLICATES:
1281 g_value_set_boolean (value, udpsink->send_duplicates);
1283 case PROP_BUFFER_SIZE:
1284 g_value_set_int (value, udpsink->buffer_size);
1286 case PROP_BIND_ADDRESS:
1287 g_value_set_string (value, udpsink->bind_address);
1289 case PROP_BIND_PORT:
1290 g_value_set_int (value, udpsink->bind_port);
1293 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1299 gst_multiudpsink_configure_client (GstMultiUDPSink * sink,
1300 GstUDPClient * client)
1302 GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
1303 GInetAddress *addr = g_inet_socket_address_get_address (saddr);
1304 GSocketFamily family = g_socket_address_get_family (G_SOCKET_ADDRESS (saddr));
1308 GST_DEBUG_OBJECT (sink, "configuring client %p", client);
1310 if (family == G_SOCKET_FAMILY_IPV6 && !sink->used_socket_v6)
1311 goto invalid_family;
1313 /* Select socket to send from for this address */
1314 if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
1315 socket = sink->used_socket_v6;
1317 socket = sink->used_socket;
1319 if (g_inet_address_get_is_multicast (addr)) {
1320 GST_DEBUG_OBJECT (sink, "we have a multicast client %p", client);
1321 if (sink->auto_multicast) {
1322 GST_DEBUG_OBJECT (sink, "autojoining group");
1323 if (!g_socket_join_multicast_group (socket, addr, FALSE,
1324 sink->multi_iface, &err))
1325 goto join_group_failed;
1327 GST_DEBUG_OBJECT (sink, "setting loop to %d", sink->loop);
1328 g_socket_set_multicast_loopback (socket, sink->loop);
1329 GST_DEBUG_OBJECT (sink, "setting ttl to %d", sink->ttl_mc);
1330 g_socket_set_multicast_ttl (socket, sink->ttl_mc);
1332 GST_DEBUG_OBJECT (sink, "setting unicast ttl to %d", sink->ttl);
1333 g_socket_set_ttl (socket, sink->ttl);
1340 gst_multiudpsink_stop (GST_BASE_SINK (sink));
1341 GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
1342 ("Could not join multicast group: %s",
1343 err ? err->message : "unknown reason"));
1344 g_clear_error (&err);
1349 gst_multiudpsink_stop (GST_BASE_SINK (sink));
1350 GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
1351 ("Invalid address family (got %d)", family));
1356 /* create a socket for sending to remote machine */
1358 gst_multiudpsink_start (GstBaseSink * bsink)
1360 GstMultiUDPSink *sink;
1362 GstUDPClient *client;
1365 sink = GST_MULTIUDPSINK (bsink);
1367 sink->external_socket = FALSE;
1370 GST_DEBUG_OBJECT (sink, "using configured socket");
1371 if (g_socket_get_family (sink->socket) == G_SOCKET_FAMILY_IPV6) {
1372 sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket));
1373 sink->external_socket = TRUE;
1375 sink->used_socket = G_SOCKET (g_object_ref (sink->socket));
1376 sink->external_socket = TRUE;
1380 if (sink->socket_v6) {
1381 GST_DEBUG_OBJECT (sink, "using configured IPv6 socket");
1382 g_return_val_if_fail (g_socket_get_family (sink->socket) !=
1383 G_SOCKET_FAMILY_IPV6, FALSE);
1385 if (sink->used_socket_v6 && sink->used_socket_v6 != sink->socket_v6) {
1386 GST_ERROR_OBJECT (sink,
1387 "Provided different IPv6 sockets in socket and socket-v6 properties");
1391 sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket_v6));
1392 sink->external_socket = TRUE;
1395 if (!sink->used_socket && !sink->used_socket_v6) {
1396 GSocketAddress *bind_addr;
1397 GInetAddress *bind_iaddr;
1399 if (sink->bind_address) {
1400 GSocketFamily family;
1402 bind_iaddr = g_inet_address_new_from_string (sink->bind_address);
1405 GResolver *resolver;
1407 resolver = g_resolver_get_default ();
1409 g_resolver_lookup_by_name (resolver, sink->bind_address,
1410 sink->cancellable, &err);
1412 g_object_unref (resolver);
1415 bind_iaddr = G_INET_ADDRESS (g_object_ref (results->data));
1416 g_resolver_free_addresses (results);
1417 g_object_unref (resolver);
1420 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1421 g_object_unref (bind_iaddr);
1422 family = g_socket_address_get_family (G_SOCKET_ADDRESS (bind_addr));
1424 if ((sink->used_socket =
1425 g_socket_new (family, G_SOCKET_TYPE_DATAGRAM,
1426 G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
1427 g_object_unref (bind_addr);
1431 g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
1435 /* create sender sockets if none available */
1436 if ((sink->used_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
1437 G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL)
1440 bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV4);
1441 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1442 g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
1443 g_object_unref (bind_addr);
1444 g_object_unref (bind_iaddr);
1448 if ((sink->used_socket_v6 = g_socket_new (G_SOCKET_FAMILY_IPV6,
1449 G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP,
1451 GST_INFO_OBJECT (sink, "Failed to create IPv6 socket: %s",
1453 g_clear_error (&err);
1455 bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV6);
1456 bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
1457 g_socket_bind (sink->used_socket_v6, bind_addr, TRUE, &err);
1458 g_object_unref (bind_addr);
1459 g_object_unref (bind_iaddr);
1470 len = sizeof (sndsize);
1471 if (sink->buffer_size != 0) {
1472 sndsize = sink->buffer_size;
1474 GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
1475 /* set buffer size, Note that on Linux this is typically limited to a
1476 * maximum of around 100K. Also a minimum of 128 bytes is required on
1479 if (sink->used_socket) {
1481 setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1482 SO_SNDBUF, (void *) &sndsize, len);
1484 GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
1485 ("Could not create a buffer of requested %d bytes, %d: %s",
1486 sndsize, ret, g_strerror (errno)));
1490 if (sink->used_socket_v6) {
1492 setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1493 SO_SNDBUF, (void *) &sndsize, len);
1495 GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
1496 ("Could not create a buffer of requested %d bytes, %d: %s",
1497 sndsize, ret, g_strerror (errno)));
1502 /* read the value of the receive buffer. Note that on linux this returns 2x the
1503 * value we set because the kernel allocates extra memory for metadata.
1504 * The default on Linux is about 100K (which is about 50K without metadata) */
1505 if (sink->used_socket) {
1507 getsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1508 SO_SNDBUF, (void *) &sndsize, &len);
1510 GST_DEBUG_OBJECT (sink, "have UDP buffer of %d bytes", sndsize);
1512 GST_DEBUG_OBJECT (sink, "could not get UDP buffer size");
1515 if (sink->used_socket_v6) {
1517 getsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1518 SO_SNDBUF, (void *) &sndsize, &len);
1520 GST_DEBUG_OBJECT (sink, "have UDPv6 buffer of %d bytes", sndsize);
1522 GST_DEBUG_OBJECT (sink, "could not get UDPv6 buffer size");
1527 #ifdef SO_BINDTODEVICE
1528 if (sink->multi_iface) {
1529 if (sink->used_socket) {
1530 if (setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
1531 SO_BINDTODEVICE, sink->multi_iface,
1532 strlen (sink->multi_iface)) < 0)
1533 GST_WARNING_OBJECT (sink, "setsockopt SO_BINDTODEVICE failed: %s",
1536 if (sink->used_socket_v6) {
1537 if (setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
1538 SO_BINDTODEVICE, sink->multi_iface,
1539 strlen (sink->multi_iface)) < 0)
1540 GST_WARNING_OBJECT (sink, "setsockopt SO_BINDTODEVICE failed (v6): %s",
1546 if (sink->used_socket)
1547 g_socket_set_broadcast (sink->used_socket, TRUE);
1548 if (sink->used_socket_v6)
1549 g_socket_set_broadcast (sink->used_socket_v6, TRUE);
1551 sink->bytes_to_serve = 0;
1552 sink->bytes_served = 0;
1554 gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket);
1555 gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket_v6);
1557 /* look for multicast clients and join multicast groups appropriately
1558 set also ttl and multicast loopback delivery appropriately */
1559 for (clients = sink->clients; clients; clients = g_list_next (clients)) {
1560 client = (GstUDPClient *) clients->data;
1562 if (!gst_multiudpsink_configure_client (sink, client))
1570 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1571 ("Could not create socket: %s", err->message));
1572 g_clear_error (&err);
1577 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1578 ("Failed to bind socket: %s", err->message));
1579 g_clear_error (&err);
1584 GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
1585 ("Failed to resolve bind address %s: %s", sink->bind_address,
1587 g_clear_error (&err);
1593 gst_multiudpsink_stop (GstBaseSink * bsink)
1595 GstMultiUDPSink *udpsink;
1597 udpsink = GST_MULTIUDPSINK (bsink);
1599 if (udpsink->used_socket) {
1600 if (udpsink->close_socket || !udpsink->external_socket) {
1603 if (!g_socket_close (udpsink->used_socket, &err)) {
1604 GST_ERROR_OBJECT (udpsink, "Failed to close socket: %s", err->message);
1605 g_clear_error (&err);
1609 g_object_unref (udpsink->used_socket);
1610 udpsink->used_socket = NULL;
1613 if (udpsink->used_socket_v6) {
1614 if (udpsink->close_socket || !udpsink->external_socket) {
1617 if (!g_socket_close (udpsink->used_socket_v6, &err)) {
1618 GST_ERROR_OBJECT (udpsink, "Failed to close socket: %s", err->message);
1619 g_clear_error (&err);
1623 g_object_unref (udpsink->used_socket_v6);
1624 udpsink->used_socket_v6 = NULL;
1631 gst_udp_client_compare_socket_family (GstUDPClient * a, GstUDPClient * b)
1633 GSocketFamily fa = g_socket_address_get_family (a->addr);
1634 GSocketFamily fb = g_socket_address_get_family (b->addr);
1639 /* a should go before b */
1640 if (fa == G_SOCKET_FAMILY_IPV4 && fb == G_SOCKET_FAMILY_IPV6)
1643 /* b should go before a */
1648 gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
1649 gint port, gboolean lock)
1651 GSocketFamily family;
1652 GstUDPClient *client;
1653 GstUDPClient udpclient;
1657 udpclient.host = (gchar *) host;
1658 udpclient.port = port;
1660 GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port);
1663 g_mutex_lock (&sink->client_lock);
1665 find = g_list_find_custom (sink->clients, &udpclient,
1666 (GCompareFunc) client_compare);
1669 client = (GstUDPClient *) find->data;
1671 family = g_socket_address_get_family (client->addr);
1673 GST_DEBUG_OBJECT (sink, "found %d existing clients with host %s, port %d",
1674 client->add_count, host, port);
1676 client = gst_udp_client_new (sink, host, port);
1680 family = g_socket_address_get_family (client->addr);
1682 g_get_current_time (&now);
1683 client->connect_time = GST_TIMEVAL_TO_TIME (now);
1685 if (sink->used_socket)
1686 gst_multiudpsink_configure_client (sink, client);
1688 GST_DEBUG_OBJECT (sink, "add client with host %s, port %d", host, port);
1690 /* keep IPv4 clients at the beginning, and IPv6 at the end, we can make
1691 * use of this in gst_multiudpsink_render_buffers() */
1692 sink->clients = g_list_insert_sorted (sink->clients, client,
1693 (GCompareFunc) gst_udp_client_compare_socket_family);
1695 if (family == G_SOCKET_FAMILY_IPV4)
1696 ++sink->num_v4_unique;
1698 ++sink->num_v6_unique;
1701 ++client->add_count;
1703 if (family == G_SOCKET_FAMILY_IPV4)
1709 g_mutex_unlock (&sink->client_lock);
1711 g_signal_emit (G_OBJECT (sink),
1712 gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED], 0, host, port);
1714 GST_DEBUG_OBJECT (sink, "added client on host %s, port %d", host, port);
1720 GST_DEBUG_OBJECT (sink, "did not add client on host %s, port %d", host,
1723 g_mutex_unlock (&sink->client_lock);
1729 gst_multiudpsink_add (GstMultiUDPSink * sink, const gchar * host, gint port)
1731 gst_multiudpsink_add_internal (sink, host, port, TRUE);
1735 gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port)
1737 GSocketFamily family;
1739 GstUDPClient udpclient;
1740 GstUDPClient *client;
1743 udpclient.host = (gchar *) host;
1744 udpclient.port = port;
1746 g_mutex_lock (&sink->client_lock);
1747 find = g_list_find_custom (sink->clients, &udpclient,
1748 (GCompareFunc) client_compare);
1752 client = (GstUDPClient *) find->data;
1754 GST_DEBUG_OBJECT (sink, "found %d clients with host %s, port %d",
1755 client->add_count, host, port);
1757 --client->add_count;
1759 family = g_socket_address_get_family (client->addr);
1760 if (family == G_SOCKET_FAMILY_IPV4)
1765 if (client->add_count == 0) {
1766 GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
1767 GInetAddress *addr = g_inet_socket_address_get_address (saddr);
1770 /* Select socket to send from for this address */
1771 if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
1772 socket = sink->used_socket_v6;
1774 socket = sink->used_socket;
1776 GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port);
1778 g_get_current_time (&now);
1779 client->disconnect_time = GST_TIMEVAL_TO_TIME (now);
1781 if (socket && sink->auto_multicast
1782 && g_inet_address_get_is_multicast (addr)) {
1785 if (!g_socket_leave_multicast_group (socket, addr, FALSE,
1786 sink->multi_iface, &err)) {
1787 GST_DEBUG_OBJECT (sink, "Failed to leave multicast group: %s",
1789 g_clear_error (&err);
1793 if (family == G_SOCKET_FAMILY_IPV4)
1794 --sink->num_v4_unique;
1796 --sink->num_v6_unique;
1798 /* Unlock to emit signal before we delete the actual client */
1799 g_mutex_unlock (&sink->client_lock);
1800 g_signal_emit (G_OBJECT (sink),
1801 gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED], 0, host, port);
1802 g_mutex_lock (&sink->client_lock);
1804 sink->clients = g_list_delete_link (sink->clients, find);
1806 gst_udp_client_unref (client);
1808 g_mutex_unlock (&sink->client_lock);
1815 g_mutex_unlock (&sink->client_lock);
1816 GST_WARNING_OBJECT (sink, "client at host %s, port %d not found",
1823 gst_multiudpsink_clear_internal (GstMultiUDPSink * sink, gboolean lock)
1825 GST_DEBUG_OBJECT (sink, "clearing");
1826 /* we only need to remove the client structure, there is no additional
1827 * socket or anything to free for UDP */
1829 g_mutex_lock (&sink->client_lock);
1830 g_list_foreach (sink->clients, (GFunc) gst_udp_client_unref, sink);
1831 g_list_free (sink->clients);
1832 sink->clients = NULL;
1833 sink->num_v4_unique = 0;
1834 sink->num_v4_all = 0;
1835 sink->num_v6_unique = 0;
1836 sink->num_v6_all = 0;
1838 g_mutex_unlock (&sink->client_lock);
1842 gst_multiudpsink_clear (GstMultiUDPSink * sink)
1844 gst_multiudpsink_clear_internal (sink, TRUE);
1848 gst_multiudpsink_get_stats (GstMultiUDPSink * sink, const gchar * host,
1851 GstUDPClient *client;
1852 GstStructure *result = NULL;
1853 GstUDPClient udpclient;
1856 udpclient.host = (gchar *) host;
1857 udpclient.port = port;
1859 g_mutex_lock (&sink->client_lock);
1861 find = g_list_find_custom (sink->clients, &udpclient,
1862 (GCompareFunc) client_compare);
1866 GST_DEBUG_OBJECT (sink, "stats for client with host %s, port %d", host, port);
1868 client = (GstUDPClient *) find->data;
1870 result = gst_structure_new_empty ("multiudpsink-stats");
1872 gst_structure_set (result,
1873 "bytes-sent", G_TYPE_UINT64, client->bytes_sent,
1874 "packets-sent", G_TYPE_UINT64, client->packets_sent,
1875 "connect-time", G_TYPE_UINT64, client->connect_time,
1876 "disconnect-time", G_TYPE_UINT64, client->disconnect_time, NULL);
1878 g_mutex_unlock (&sink->client_lock);
1885 g_mutex_unlock (&sink->client_lock);
1886 GST_WARNING_OBJECT (sink, "client with host %s, port %d not found",
1888 /* Apparently (see comment in gstmultifdsink.c) returning NULL from here may
1889 * confuse/break python bindings */
1890 return gst_structure_new_empty ("multiudpsink-stats");
1895 gst_multiudpsink_unlock (GstBaseSink * bsink)
1897 GstMultiUDPSink *sink;
1899 sink = GST_MULTIUDPSINK (bsink);
1901 g_cancellable_cancel (sink->cancellable);
1907 gst_multiudpsink_unlock_stop (GstBaseSink * bsink)
1909 GstMultiUDPSink *sink;
1911 sink = GST_MULTIUDPSINK (bsink);
1913 g_cancellable_reset (sink->cancellable);