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(multi)udpsink: Use separate sockets for IPv4 and IPv6

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=534243
This commit is contained in:
Sebastian Dröge 2013-04-25 12:12:23 +02:00
parent 0b552150ce
commit b1af93f791
2 changed files with 185 additions and 46 deletions
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227
gst/udp/gstmultiudpsink.c
View file

@ -99,8 +99,10 @@ enum
PROP_BYTES_TO_SERVE,
PROP_BYTES_SERVED,
PROP_SOCKET,
PROP_SOCKET_V6,
PROP_CLOSE_SOCKET,
PROP_USED_SOCKET,
PROP_USED_SOCKET_V6,
PROP_CLIENTS,
PROP_AUTO_MULTICAST,
PROP_MULTICAST_IFACE,
@ -259,6 +261,10 @@ gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
g_param_spec_object ("socket", "Socket Handle",
"Socket to use for UDP sending. (NULL == allocate)",
G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SOCKET_V6,
g_param_spec_object ("socket-v6", "Socket Handle IPv6",
"Socket to use for UDPv6 sending. (NULL == allocate)",
G_TYPE_SOCKET, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CLOSE_SOCKET,
g_param_spec_boolean ("close-socket", "Close socket",
"Close socket if passed as property on state change",
@ -267,6 +273,10 @@ gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
g_param_spec_object ("used-socket", "Used Socket Handle",
"Socket currently in use for UDP sending. (NULL == no socket)",
G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_USED_SOCKET_V6,
g_param_spec_object ("used-socket-v6", "Used Socket Handle IPv6",
"Socket currently in use for UDPv6 sending. (NULL == no socket)",
G_TYPE_SOCKET, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_CLIENTS,
g_param_spec_string ("clients", "Clients",
"A comma separated list of host:port pairs with destinations",
@ -303,8 +313,8 @@ gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
*/
g_object_class_install_property (gobject_class, PROP_FORCE_IPV4,
g_param_spec_boolean ("force-ipv4", "Force IPv4",
"Forcing the use of an IPv4 socket", DEFAULT_FORCE_IPV4,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
"Forcing the use of an IPv4 socket (DEPRECATED, has no effect anymore)",
DEFAULT_FORCE_IPV4, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QOS_DSCP,
g_param_spec_int ("qos-dscp", "QoS diff srv code point",
@ -359,7 +369,9 @@ gst_multiudpsink_init (GstMultiUDPSink * sink)
g_mutex_init (&sink->client_lock);
sink->socket = DEFAULT_SOCKET;
sink->socket_v6 = DEFAULT_SOCKET;
sink->used_socket = DEFAULT_USED_SOCKET;
sink->used_socket_v6 = DEFAULT_USED_SOCKET;
sink->close_socket = DEFAULT_CLOSE_SOCKET;
sink->external_socket = (sink->socket != NULL);
sink->auto_multicast = DEFAULT_AUTO_MULTICAST;
@ -461,10 +473,18 @@ gst_multiudpsink_finalize (GObject * object)
g_object_unref (sink->socket);
sink->socket = NULL;
if (sink->socket_v6)
g_object_unref (sink->socket_v6);
sink->socket_v6 = NULL;
if (sink->used_socket)
g_object_unref (sink->used_socket);
sink->used_socket = NULL;
if (sink->used_socket_v6)
g_object_unref (sink->used_socket_v6);
sink->used_socket_v6 = NULL;
if (sink->cancellable)
g_object_unref (sink->cancellable);
sink->cancellable = NULL;
@ -527,6 +547,8 @@ gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
num = 0;
for (clients = sink->clients; clients; clients = g_list_next (clients)) {
GstUDPClient *client;
GSocket *socket;
GSocketFamily family;
gint count;
client = (GstUDPClient *) clients->data;
@ -534,13 +556,20 @@ gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
GST_LOG_OBJECT (sink, "sending %" G_GSIZE_FORMAT " bytes to client %p",
size, client);
family = g_socket_address_get_family (G_SOCKET_ADDRESS (client->addr));
/* Select socket to send from for this address */
if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
socket = sink->used_socket_v6;
else
socket = sink->used_socket;
count = sink->send_duplicates ? client->refcount : 1;
while (count--) {
gssize ret;
ret =
g_socket_send_message (sink->used_socket, client->addr, vec, n_mem,
g_socket_send_message (socket, client->addr, vec, n_mem,
NULL, 0, 0, sink->cancellable, &err);
if (G_UNLIKELY (ret < 0)) {
@ -655,13 +684,13 @@ gst_multiudpsink_get_clients_string (GstMultiUDPSink * sink)
}
static void
gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink)
gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink, GSocket * socket)
{
/* don't touch on -1 */
if (sink->qos_dscp < 0)
return;
if (sink->used_socket == NULL)
if (socket == NULL)
return;
#ifdef IP_TOS
@ -669,7 +698,7 @@ gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink)
gint tos;
gint fd;
fd = g_socket_get_fd (sink->used_socket);
fd = g_socket_get_fd (socket);
GST_DEBUG_OBJECT (sink, "setting TOS to %d", sink->qos_dscp);
@ -713,6 +742,23 @@ gst_multiudpsink_set_property (GObject * object, guint prop_id,
udpsink->socket = g_value_dup_object (value);
GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket);
break;
case PROP_SOCKET_V6:
if (udpsink->socket_v6 != NULL
&& udpsink->socket_v6 != udpsink->used_socket_v6
&& udpsink->close_socket) {
GError *err = NULL;
if (!g_socket_close (udpsink->socket_v6, &err)) {
GST_ERROR ("failed to close socket %p: %s", udpsink->socket_v6,
err->message);
g_clear_error (&err);
}
}
if (udpsink->socket_v6)
g_object_unref (udpsink->socket_v6);
udpsink->socket_v6 = g_value_dup_object (value);
GST_DEBUG_OBJECT (udpsink, "setting socket to %p", udpsink->socket_v6);
break;
case PROP_CLOSE_SOCKET:
udpsink->close_socket = g_value_get_boolean (value);
break;
@ -744,7 +790,8 @@ gst_multiudpsink_set_property (GObject * object, guint prop_id,
break;
case PROP_QOS_DSCP:
udpsink->qos_dscp = g_value_get_int (value);
gst_multiudpsink_setup_qos_dscp (udpsink);
gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket);
gst_multiudpsink_setup_qos_dscp (udpsink, udpsink->used_socket_v6);
break;
case PROP_SEND_DUPLICATES:
udpsink->send_duplicates = g_value_get_boolean (value);
@ -825,25 +872,36 @@ gst_multiudpsink_configure_client (GstMultiUDPSink * sink,
{
GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
GInetAddress *addr = g_inet_socket_address_get_address (saddr);
GSocketFamily family = g_socket_address_get_family (G_SOCKET_ADDRESS (saddr));
GSocket *socket;
GError *err = NULL;
GST_DEBUG_OBJECT (sink, "configuring client %p", client);
if (family == G_SOCKET_FAMILY_IPV6 && !sink->used_socket_v6)
goto invalid_family;
/* Select socket to send from for this address */
if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
socket = sink->used_socket_v6;
else
socket = sink->used_socket;
if (g_inet_address_get_is_multicast (addr)) {
GST_DEBUG_OBJECT (sink, "we have a multicast client %p", client);
if (sink->auto_multicast) {
GST_DEBUG_OBJECT (sink, "autojoining group");
if (!g_socket_join_multicast_group (sink->used_socket, addr, FALSE,
if (!g_socket_join_multicast_group (socket, addr, FALSE,
sink->multi_iface, &err))
goto join_group_failed;
}
GST_DEBUG_OBJECT (sink, "setting loop to %d", sink->loop);
g_socket_set_multicast_loopback (sink->used_socket, sink->loop);
g_socket_set_multicast_loopback (socket, sink->loop);
GST_DEBUG_OBJECT (sink, "setting ttl to %d", sink->ttl_mc);
g_socket_set_multicast_ttl (sink->used_socket, sink->ttl_mc);
g_socket_set_multicast_ttl (socket, sink->ttl_mc);
} else {
GST_DEBUG_OBJECT (sink, "setting unicast ttl to %d", sink->ttl);
g_socket_set_ttl (sink->used_socket, sink->ttl);
g_socket_set_ttl (socket, sink->ttl);
}
return TRUE;
@ -857,6 +915,13 @@ join_group_failed:
g_clear_error (&err);
return FALSE;
}
invalid_family:
{
gst_multiudpsink_stop (GST_BASE_SINK (sink));
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
("Invalid address family (got %d)", family));
return FALSE;
}
}
/* create a socket for sending to remote machine */
@ -870,26 +935,47 @@ gst_multiudpsink_start (GstBaseSink * bsink)
sink = GST_MULTIUDPSINK (bsink);
if (sink->socket == NULL) {
GST_DEBUG_OBJECT (sink, "creating sockets");
/* create sender socket try IP6, fall back to IP4 */
if (sink->force_ipv4 || (sink->used_socket =
g_socket_new (G_SOCKET_FAMILY_IPV6,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
if ((sink->used_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL)
goto no_socket;
sink->external_socket = FALSE;
if (sink->socket) {
GST_DEBUG_OBJECT (sink, "using configured socket");
if (g_socket_get_family (sink->socket) == G_SOCKET_FAMILY_IPV6) {
sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket));
sink->external_socket = TRUE;
} else {
sink->used_socket = G_SOCKET (g_object_ref (sink->socket));
sink->external_socket = TRUE;
}
}
if (sink->socket_v6) {
GST_DEBUG_OBJECT (sink, "using configured IPv6 socket");
g_return_val_if_fail (g_socket_get_family (sink->socket) !=
G_SOCKET_FAMILY_IPV6, FALSE);
if (sink->used_socket_v6 && sink->used_socket_v6 != sink->socket_v6) {
GST_ERROR_OBJECT (sink,
"Provided different IPv6 sockets in socket and socket-v6 properties");
return FALSE;
}
GST_DEBUG_OBJECT (sink, "have socket");
sink->external_socket = FALSE;
} else {
GST_DEBUG_OBJECT (sink, "using configured socket");
/* we use the configured socket */
sink->used_socket = G_SOCKET (g_object_ref (sink->socket));
sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket_v6));
sink->external_socket = TRUE;
}
if (!sink->used_socket && !sink->used_socket_v6) {
/* create sender sockets if none available */
if ((sink->used_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL)
goto no_socket;
if ((sink->used_socket_v6 = g_socket_new (G_SOCKET_FAMILY_IPV6,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
GST_INFO_OBJECT (sink, "Failed to create IPv6 socket: %s", err->message);
g_clear_error (&err);
}
}
#ifdef SO_SNDBUF
{
socklen_t len;
@ -903,35 +989,65 @@ gst_multiudpsink_start (GstBaseSink * bsink)
/* set buffer size, Note that on Linux this is typically limited to a
* maximum of around 100K. Also a minimum of 128 bytes is required on
* Linux. */
ret =
setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
SO_SNDBUF, (void *) &sndsize, len);
if (ret != 0) {
GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
("Could not create a buffer of requested %d bytes, %d: %s",
sndsize, ret, g_strerror (errno)));
if (sink->used_socket) {
ret =
setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
SO_SNDBUF, (void *) &sndsize, len);
if (ret != 0) {
GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
("Could not create a buffer of requested %d bytes, %d: %s",
sndsize, ret, g_strerror (errno)));
}
}
if (sink->used_socket_v6) {
ret =
setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
SO_SNDBUF, (void *) &sndsize, len);
if (ret != 0) {
GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL),
("Could not create a buffer of requested %d bytes, %d: %s",
sndsize, ret, g_strerror (errno)));
}
}
}
/* read the value of the receive buffer. Note that on linux this returns 2x the
* value we set because the kernel allocates extra memory for metadata.
* The default on Linux is about 100K (which is about 50K without metadata) */
ret =
getsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET, SO_SNDBUF,
(void *) &sndsize, &len);
if (ret == 0)
GST_DEBUG_OBJECT (sink, "have udp buffer of %d bytes", sndsize);
else
GST_DEBUG_OBJECT (sink, "could not get udp buffer size");
if (sink->used_socket) {
ret =
getsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
SO_SNDBUF, (void *) &sndsize, &len);
if (ret == 0)
GST_DEBUG_OBJECT (sink, "have UDP buffer of %d bytes", sndsize);
else
GST_DEBUG_OBJECT (sink, "could not get UDP buffer size");
}
if (sink->used_socket_v6) {
ret =
getsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
SO_SNDBUF, (void *) &sndsize, &len);
if (ret == 0)
GST_DEBUG_OBJECT (sink, "have UDPv6 buffer of %d bytes", sndsize);
else
GST_DEBUG_OBJECT (sink, "could not get UDPv6 buffer size");
}
}
#endif
g_socket_set_broadcast (sink->used_socket, TRUE);
if (sink->used_socket)
g_socket_set_broadcast (sink->used_socket, TRUE);
if (sink->used_socket_v6)
g_socket_set_broadcast (sink->used_socket_v6, TRUE);
sink->bytes_to_serve = 0;
sink->bytes_served = 0;
gst_multiudpsink_setup_qos_dscp (sink);
gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket);
gst_multiudpsink_setup_qos_dscp (sink, sink->used_socket_v6);
/* look for multicast clients and join multicast groups appropriately
set also ttl and multicast loopback delivery appropriately */
@ -974,6 +1090,20 @@ gst_multiudpsink_stop (GstBaseSink * bsink)
udpsink->used_socket = NULL;
}
if (udpsink->used_socket_v6) {
if (udpsink->close_socket || !udpsink->external_socket) {
GError *err = NULL;
if (!g_socket_close (udpsink->used_socket_v6, &err)) {
GST_ERROR_OBJECT (udpsink, "Failed to close socket: %s", err->message);
g_clear_error (&err);
}
}
g_object_unref (udpsink->used_socket_v6);
udpsink->used_socket_v6 = NULL;
}
return TRUE;
}
@ -1069,17 +1199,26 @@ gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port)
if (client->refcount == 0) {
GInetSocketAddress *saddr = G_INET_SOCKET_ADDRESS (client->addr);
GInetAddress *addr = g_inet_socket_address_get_address (saddr);
GSocketFamily family =
g_socket_address_get_family (G_SOCKET_ADDRESS (saddr));
GSocket *socket;
/* Select socket to send from for this address */
if (family == G_SOCKET_FAMILY_IPV6 || !sink->used_socket)
socket = sink->used_socket_v6;
else
socket = sink->used_socket;
GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port);
g_get_current_time (&now);
client->disconnect_time = GST_TIMEVAL_TO_TIME (now);
if (sink->used_socket && sink->auto_multicast
if (socket && sink->auto_multicast
&& g_inet_address_get_is_multicast (addr)) {
GError *err = NULL;
if (!g_socket_leave_multicast_group (sink->used_socket, addr, FALSE,
if (!g_socket_leave_multicast_group (socket, addr, FALSE,
sink->multi_iface, &err)) {
GST_DEBUG_OBJECT (sink, "Failed to leave multicast group: %s",
err->message);

4
gst/udp/gstmultiudpsink.h
View file

@ -56,7 +56,7 @@ typedef struct {
struct _GstMultiUDPSink {
GstBaseSink parent;
GSocket *used_socket;
GSocket *used_socket, *used_socket_v6;
GCancellable *cancellable;
GMutex client_lock;
@ -68,7 +68,7 @@ struct _GstMultiUDPSink {
/* properties */
guint64 bytes_to_serve;
guint64 bytes_served;
GSocket *socket;
GSocket *socket, *socket_v6;
gboolean close_socket;
gboolean external_socket;