static void
gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
gint port, gboolean lock)
{
GstUDPClient *client;
GstUDPClient udpclient;
GTimeVal now;
GList *find;
udpclient.host = (gchar *) host;
udpclient.port = port;
GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port);
if (lock)
g_mutex_lock (&sink->client_lock);
find = g_list_find_custom (sink->clients, &udpclient,
(GCompareFunc) client_compare);
if (find) {
client = (GstUDPClient *) find->data;
GST_DEBUG_OBJECT (sink, "found %d existing clients with host %s, port %d",
client->refcount, host, port);
client->refcount++;
} else {
client = create_client (sink, host, port);
if (!client)
goto error;
g_get_current_time (&now);
client->connect_time = GST_TIMEVAL_TO_TIME (now);
if (sink->used_socket)
gst_multiudpsink_configure_client (sink, client);
GST_DEBUG_OBJECT (sink, "add client with host %s, port %d", host, port);
sink->clients = g_list_prepend (sink->clients, client);
}
if (lock)
g_mutex_unlock (&sink->client_lock);
g_signal_emit (G_OBJECT (sink),
gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED], 0, host, port);
GST_DEBUG_OBJECT (sink, "added client on host %s, port %d", host, port);
return;
/* ERRORS */
error:
{
GST_DEBUG_OBJECT (sink, "did not add client on host %s, port %d", host,
port);
if (lock)
g_mutex_unlock (&sink->client_lock);
return;
}
}
/* create a socket for sending to remote machine */
static gboolean
gst_multiudpsink_start (GstBaseSink * bsink)
{
GstMultiUDPSink *sink;
GList *clients;
GstUDPClient *client;
GError *err = NULL;
sink = GST_MULTIUDPSINK (bsink);
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;
}
sink->used_socket_v6 = G_SOCKET (g_object_ref (sink->socket_v6));
sink->external_socket = TRUE;
}
if (!sink->used_socket && !sink->used_socket_v6) {
GSocketAddress *bind_addr;
GInetAddress *bind_iaddr;
if (sink->bind_address) {
GSocketFamily family;
bind_iaddr = g_inet_address_new_from_string (sink->bind_address);
if (!bind_iaddr) {
GList *results;
GResolver *resolver;
resolver = g_resolver_get_default ();
results =
g_resolver_lookup_by_name (resolver, sink->bind_address,
sink->cancellable, &err);
if (!results) {
g_object_unref (resolver);
goto name_resolve;
}
bind_iaddr = G_INET_ADDRESS (g_object_ref (results->data));
g_resolver_free_addresses (results);
g_object_unref (resolver);
}
bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
g_object_unref (bind_iaddr);
family = g_socket_address_get_family (G_SOCKET_ADDRESS (bind_addr));
if ((sink->used_socket =
g_socket_new (family, G_SOCKET_TYPE_DATAGRAM,
G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
g_object_unref (bind_addr);
goto no_socket;
}
g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
if (err != NULL)
goto bind_error;
} else {
/* 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;
bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV4);
bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
g_socket_bind (sink->used_socket, bind_addr, TRUE, &err);
g_object_unref (bind_addr);
g_object_unref (bind_iaddr);
if (err != NULL)
goto bind_error;
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);
} else {
bind_iaddr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV6);
bind_addr = g_inet_socket_address_new (bind_iaddr, sink->bind_port);
g_socket_bind (sink->used_socket_v6, bind_addr, TRUE, &err);
g_object_unref (bind_addr);
g_object_unref (bind_iaddr);
if (err != NULL)
goto bind_error;
}
}
}
#ifdef SO_SNDBUF
{
socklen_t len;
gint sndsize, ret;
len = sizeof (sndsize);
if (sink->buffer_size != 0) {
sndsize = sink->buffer_size;
GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
/* 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. */
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) */
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
#ifdef SO_BINDTODEVICE
if (sink->multi_iface) {
if (sink->used_socket) {
setsockopt (g_socket_get_fd (sink->used_socket), SOL_SOCKET,
SO_BINDTODEVICE, sink->multi_iface, strlen (sink->multi_iface));
}
if (sink->used_socket_v6) {
setsockopt (g_socket_get_fd (sink->used_socket_v6), SOL_SOCKET,
SO_BINDTODEVICE, sink->multi_iface, strlen (sink->multi_iface));
}
}
#endif
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, 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 */
for (clients = sink->clients; clients; clients = g_list_next (clients)) {
client = (GstUDPClient *) clients->data;
if (!gst_multiudpsink_configure_client (sink, client))
return FALSE;
}
return TRUE;
/* ERRORS */
no_socket:
{
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Could not create socket: %s", err->message));
g_clear_error (&err);
return FALSE;
}
bind_error:
{
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Failed to bind socket: %s", err->message));
g_clear_error (&err);
return FALSE;
}
name_resolve:
{
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Failed to resolve bind address %s: %s", sink->bind_address,
err->message));
g_clear_error (&err);
return FALSE;
}
}
/* create a socket for sending to remote machine */
static gboolean
gst_multiudpsink_start (GstBaseSink * bsink)
{
GstMultiUDPSink *sink;
GList *clients;
GstUDPClient *client;
GError *err = NULL;
sink = GST_MULTIUDPSINK (bsink);
if (sink->socket == NULL) {
GST_DEBUG_OBJECT (sink, "creating sockets");
/* create sender socket try IP6, fall back to IP4 */
sink->family = G_SOCKET_FAMILY_IPV6;
if ((sink->used_socket =
g_socket_new (G_SOCKET_FAMILY_IPV6,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL) {
sink->family = G_SOCKET_FAMILY_IPV4;
if ((sink->used_socket = g_socket_new (G_SOCKET_FAMILY_IPV4,
G_SOCKET_TYPE_DATAGRAM, G_SOCKET_PROTOCOL_UDP, &err)) == NULL)
goto no_socket;
}
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->family = g_socket_get_family (sink->used_socket);
sink->external_socket = TRUE;
}
#ifdef SO_SNDBUF
{
socklen_t len;
gint sndsize, ret;
len = sizeof (sndsize);
if (sink->buffer_size != 0) {
sndsize = sink->buffer_size;
GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
/* 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)));
}
}
/* 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");
}
#endif
g_socket_set_broadcast (sink->used_socket, TRUE);
sink->bytes_to_serve = 0;
sink->bytes_served = 0;
gst_multiudpsink_setup_qos_dscp (sink);
/* look for multicast clients and join multicast groups appropriately
set also ttl and multicast loopback delivery appropriately */
for (clients = sink->clients; clients; clients = g_list_next (clients)) {
client = (GstUDPClient *) clients->data;
if (!gst_multiudpsink_configure_client (sink, client))
return FALSE;
}
return TRUE;
/* ERRORS */
no_socket:
{
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Could not create socket: %s", err->message));
g_clear_error (&err);
return FALSE;
}
}
/* create a socket for sending to remote machine */
static gboolean
gst_multiudpsink_init_send (GstMultiUDPSink * sink)
{
guint bc_val;
GList *clients;
GstUDPClient *client;
int sndsize, ret;
socklen_t len;
if (sink->sockfd == -1) {
GST_DEBUG_OBJECT (sink, "creating sockets");
/* create sender socket try IP6, fall back to IP4 */
sink->ss_family = AF_INET6;
if ((sink->sock = socket (AF_INET6, SOCK_DGRAM, 0)) == -1) {
sink->ss_family = AF_INET;
if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1)
goto no_socket;
}
GST_DEBUG_OBJECT (sink, "have socket");
sink->externalfd = FALSE;
} else {
struct sockaddr_storage myaddr;
GST_DEBUG_OBJECT (sink, "using configured socket");
/* we use the configured socket, try to get some info about it */
len = sizeof (myaddr);
if (getsockname (sink->sockfd, (struct sockaddr *) &myaddr, &len) < 0)
goto getsockname_error;
sink->ss_family = myaddr.ss_family;
/* we use the configured socket */
sink->sock = sink->sockfd;
sink->externalfd = TRUE;
}
len = sizeof (sndsize);
if (sink->buffer_size != 0) {
sndsize = sink->buffer_size;
GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize);
/* 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 (sink->sock, 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 (%d)",
sndsize, ret, g_strerror (errno), 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 (sink->sock, 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");
bc_val = 1;
if (setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val,
sizeof (bc_val)) < 0)
goto no_broadcast;
sink->bytes_to_serve = 0;
sink->bytes_served = 0;
gst_multiudpsink_setup_qos_dscp (sink);
/* look for multicast clients and join multicast groups appropriately
set also ttl and multicast loopback delivery appropriately */
for (clients = sink->clients; clients; clients = g_list_next (clients)) {
client = (GstUDPClient *) clients->data;
if (!gst_multiudpsink_configure_client (sink, client))
return FALSE;
}
return TRUE;
/* ERRORS */
no_socket:
{
gchar *errormessage = socket_last_error_message ();
int errorcode = socket_last_error_code ();
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Could not create socket (%d): %s", errorcode, errormessage));
g_free (errormessage);
return FALSE;
}
getsockname_error:
{
gchar *errormessage = socket_last_error_message ();
int errorcode = socket_last_error_code ();
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Could not getsockname (%d): %s", errorcode, errormessage));
g_free (errormessage);
return FALSE;
}
no_broadcast:
{
gchar *errormessage = socket_last_error_message ();
int errorcode = socket_last_error_code ();
CLOSE_IF_REQUESTED (sink);
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
("Could not set broadcast socket option (%d): %s",
errorcode, errormessage));
g_free (errormessage);
return FALSE;
}
}
