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multiudpsink: keep client list sorted by socket family

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We make use of in the send_buffers() function if we
need to use different sockets to send to IPv4 and
IPv6 destinations.
This commit is contained in:
Tim-Philipp Müller 2014-06-23 18:43:21 +01:00
parent e1a7deb27f
commit 7bdf7500a1
1 changed files with 23 additions and 2 deletions
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25
gst/udp/gstmultiudpsink.c
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@ -808,7 +808,7 @@ gst_multiudpsink_render_buffers (GstMultiUDPSink * sink, GstBuffer ** buffers,
guint num_msgs_v4 = num_buffers * num_addr_v4;
guint num_msgs_v6 = num_buffers * num_addr_v6;
/* FIXME: assumes clients are sorted in our list! */
/* our client list is sorted with IPv4 clients first and IPv6 ones last */
ret = gst_multiudpsink_send_messages (sink, sink->used_socket,
msgs, num_msgs_v4);
@ -1627,6 +1627,23 @@ gst_multiudpsink_stop (GstBaseSink * bsink)
return TRUE;
}
static gint
gst_udp_client_compare_socket_family (GstUDPClient * a, GstUDPClient * b)
{
GSocketFamily fa = g_socket_address_get_family (a->addr);
GSocketFamily fb = g_socket_address_get_family (b->addr);
if (fa == fb)
return 0;
/* a should go before b */
if (fa == G_SOCKET_FAMILY_IPV4 && fb == G_SOCKET_FAMILY_IPV6)
return -1;
/* b should go before a */
return 1;
}
static void
gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
gint port, gboolean lock)
@ -1669,7 +1686,11 @@ gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
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);
/* keep IPv4 clients at the beginning, and IPv6 at the end, we can make
* use of this in gst_multiudpsink_render_buffers() */
sink->clients = g_list_insert_sorted (sink->clients, client,
(GCompareFunc) gst_udp_client_compare_socket_family);
if (family == G_SOCKET_FAMILY_IPV4)
++sink->num_v4_unique;