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Original commit message from CVS: * gst/rtp/gstasteriskh263.c: (gst_asteriskh263_chain): * gst/udp/gstmultiudpsink.c: (gst_multiudpsink_add_internal): * gst/udp/gstudpsrc.c: (gst_udpsrc_start): Use GLib versions of htonl, htons, ntohl and ntohs in order to avoid problems on win32 (#529707).
877 lines
25 KiB
C
877 lines
25 KiB
C
/* GStreamer
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* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-multiupdsink
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* @see_also: udpsink, multifdsink
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*
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* <refsect2>
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* <para>
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* multiudpsink is a network sink that sends UDP packets to multiple
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* clients.
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* It can be combined with rtp payload encoders to implement RTP streaming.
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* </para>
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstudp-marshal.h"
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#include "gstmultiudpsink.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <errno.h>
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (multiudpsink_debug);
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#define GST_CAT_DEFAULT (multiudpsink_debug)
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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/* elementfactory information */
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static const GstElementDetails gst_multiudpsink_details =
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GST_ELEMENT_DETAILS ("UDP packet sender",
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"Sink/Network",
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"Send data over the network via UDP",
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"Wim Taymans <wim.taymans@gmail.com>");
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/* MultiUDPSink signals and args */
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enum
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{
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/* methods */
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SIGNAL_ADD,
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SIGNAL_REMOVE,
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SIGNAL_CLEAR,
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SIGNAL_GET_STATS,
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/* signals */
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SIGNAL_CLIENT_ADDED,
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SIGNAL_CLIENT_REMOVED,
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/* FILL ME */
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LAST_SIGNAL
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};
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#define DEFAULT_SOCKFD -1
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#define DEFAULT_CLOSEFD TRUE
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#define DEFAULT_SOCK -1
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#define DEFAULT_CLIENTS NULL
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#define DEFAULT_AUTO_MULTICAST TRUE
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enum
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{
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PROP_0,
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PROP_BYTES_TO_SERVE,
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PROP_BYTES_SERVED,
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PROP_SOCKFD,
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PROP_CLOSEFD,
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PROP_SOCK,
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PROP_CLIENTS,
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PROP_AUTO_MULTICAST
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/* FILL ME */
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};
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#define CLOSE_IF_REQUESTED(udpctx) \
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if ((!udpctx->externalfd) || (udpctx->externalfd && udpctx->closefd)) \
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CLOSE_SOCKET(udpctx->sock); \
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udpctx->sock = -1;
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static void gst_multiudpsink_base_init (gpointer g_class);
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static void gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass);
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static void gst_multiudpsink_init (GstMultiUDPSink * udpsink);
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static void gst_multiudpsink_finalize (GObject * object);
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static GstFlowReturn gst_multiudpsink_render (GstBaseSink * sink,
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GstBuffer * buffer);
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static GstStateChangeReturn gst_multiudpsink_change_state (GstElement *
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element, GstStateChange transition);
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static void gst_multiudpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_multiudpsink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_multiudpsink_add_internal (GstMultiUDPSink * sink,
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const gchar * host, gint port, gboolean lock);
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static void gst_multiudpsink_clear_internal (GstMultiUDPSink * sink,
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gboolean lock);
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static void free_client (GstUDPClient * client);
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static GstElementClass *parent_class = NULL;
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static guint gst_multiudpsink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_multiudpsink_get_type (void)
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{
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static GType multiudpsink_type = 0;
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if (!multiudpsink_type) {
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static const GTypeInfo multiudpsink_info = {
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sizeof (GstMultiUDPSinkClass),
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gst_multiudpsink_base_init,
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NULL,
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(GClassInitFunc) gst_multiudpsink_class_init,
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NULL,
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NULL,
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sizeof (GstMultiUDPSink),
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0,
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(GInstanceInitFunc) gst_multiudpsink_init,
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NULL
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};
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multiudpsink_type =
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g_type_register_static (GST_TYPE_BASE_SINK, "GstMultiUDPSink",
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&multiudpsink_info, 0);
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}
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return multiudpsink_type;
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}
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static void
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gst_multiudpsink_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_details (element_class, &gst_multiudpsink_details);
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}
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static void
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gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_multiudpsink_set_property;
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gobject_class->get_property = gst_multiudpsink_get_property;
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gobject_class->finalize = gst_multiudpsink_finalize;
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/**
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* GstMultiUDPSink::add:
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* @gstmultiudpsink: the sink on which the signal is emitted
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* @host: the hostname/IP address of the client to add
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* @port: the port of the client to add
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*
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* Add a client with destination @host and @port to the list of
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* clients.
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*/
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gst_multiudpsink_signals[SIGNAL_ADD] =
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g_signal_new ("add", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstMultiUDPSinkClass, add),
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NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
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G_TYPE_STRING, G_TYPE_INT);
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/**
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* GstMultiUDPSink::remove:
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* @gstmultiudpsink: the sink on which the signal is emitted
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* @host: the hostname/IP address of the client to remove
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* @port: the port of the client to remove
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*
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* Remove the client with destination @host and @port from the list of
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* clients.
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*/
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gst_multiudpsink_signals[SIGNAL_REMOVE] =
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g_signal_new ("remove", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstMultiUDPSinkClass, remove),
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NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
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G_TYPE_STRING, G_TYPE_INT);
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/**
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* GstMultiUDPSink::clear:
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* @gstmultiudpsink: the sink on which the signal is emitted
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*
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* Clear the list of clients.
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*/
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gst_multiudpsink_signals[SIGNAL_CLEAR] =
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g_signal_new ("clear", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstMultiUDPSinkClass, clear),
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NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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/**
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* GstMultiUDPSink::get-stats:
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* @gstmultiudpsink: the sink on which the signal is emitted
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* @host: the hostname/IP address of the client to get stats on
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* @port: the port of the client to get stats on
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*
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* Get the statistics of the client with destination @host and @port.
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*
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* Returns: a GValueArray of uint64: bytes_sent, packets_sent,
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* connect_time (in epoch seconds), disconnect_time (in epoch seconds)
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*/
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gst_multiudpsink_signals[SIGNAL_GET_STATS] =
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g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstMultiUDPSinkClass, get_stats),
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NULL, NULL, gst_udp_marshal_BOXED__STRING_INT, G_TYPE_VALUE_ARRAY, 2,
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G_TYPE_STRING, G_TYPE_INT);
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/**
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* GstMultiUDPSink::client-added:
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* @gstmultiudpsink: the sink emitting the signal
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* @host: the hostname/IP address of the added client
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* @port: the port of the added client
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*
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* Signal emited when a new client is added to the list of
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* clients.
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*/
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gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED] =
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g_signal_new ("client-added", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, client_added),
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NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
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G_TYPE_STRING, G_TYPE_INT);
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/**
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* GstMultiUDPSink::client-removed:
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* @gstmultiudpsink: the sink emitting the signal
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* @host: the hostname/IP address of the removed client
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* @port: the port of the removed client
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*
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* Signal emited when a client is removed from the list of
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* clients.
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*/
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gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED] =
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g_signal_new ("client-removed", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass,
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client_removed), NULL, NULL, gst_udp_marshal_VOID__STRING_INT,
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G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_TO_SERVE,
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g_param_spec_uint64 ("bytes-to-serve", "Bytes to serve",
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"Number of bytes received to serve to clients", 0, G_MAXUINT64, 0,
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G_PARAM_READABLE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_SERVED,
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g_param_spec_uint64 ("bytes-served", "Bytes served",
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"Total number of bytes send to all clients", 0, G_MAXUINT64, 0,
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G_PARAM_READABLE));
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g_object_class_install_property (gobject_class, PROP_SOCKFD,
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g_param_spec_int ("sockfd", "Socket Handle",
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"Socket to use for UDP sending. (-1 == allocate)",
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-1, G_MAXINT, DEFAULT_SOCKFD, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_CLOSEFD,
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g_param_spec_boolean ("closefd", "Close sockfd",
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"Close sockfd if passed as property on state change",
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DEFAULT_CLOSEFD, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_SOCK,
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g_param_spec_int ("sock", "Socket Handle",
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"Socket currently in use for UDP sending. (-1 == no socket)",
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-1, G_MAXINT, DEFAULT_SOCK, G_PARAM_READABLE));
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g_object_class_install_property (gobject_class, PROP_CLIENTS,
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g_param_spec_string ("clients", "Clients",
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"A comma separated list of host:port pairs with destinations",
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DEFAULT_CLIENTS, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_AUTO_MULTICAST,
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g_param_spec_boolean ("auto-multicast",
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"Automatically join/leave multicast groups",
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"Automatically join/leave the multicast groups, FALSE means user"
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" has to do it himself", DEFAULT_AUTO_MULTICAST, G_PARAM_READWRITE));
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gstelement_class->change_state = gst_multiudpsink_change_state;
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gstbasesink_class->render = gst_multiudpsink_render;
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klass->add = gst_multiudpsink_add;
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klass->remove = gst_multiudpsink_remove;
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klass->clear = gst_multiudpsink_clear;
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klass->get_stats = gst_multiudpsink_get_stats;
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GST_DEBUG_CATEGORY_INIT (multiudpsink_debug, "multiudpsink", 0, "UDP sink");
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}
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static void
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gst_multiudpsink_init (GstMultiUDPSink * sink)
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{
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WSA_STARTUP (sink);
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sink->client_lock = g_mutex_new ();
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sink->sock = -1;
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sink->sockfd = DEFAULT_SOCKFD;
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sink->closefd = DEFAULT_CLOSEFD;
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sink->externalfd = (sink->sockfd != -1);
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sink->auto_multicast = DEFAULT_AUTO_MULTICAST;
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}
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static void
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gst_multiudpsink_finalize (GObject * object)
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{
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GstMultiUDPSink *sink;
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sink = GST_MULTIUDPSINK (object);
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g_list_foreach (sink->clients, (GFunc) free_client, NULL);
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g_list_free (sink->clients);
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g_mutex_free (sink->client_lock);
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WSA_CLEANUP (object);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstFlowReturn
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gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
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{
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GstMultiUDPSink *sink;
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gint ret, size, num = 0;
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guint8 *data;
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GList *clients;
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sink = GST_MULTIUDPSINK (bsink);
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size = GST_BUFFER_SIZE (buffer);
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data = GST_BUFFER_DATA (buffer);
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sink->bytes_to_serve += size;
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/* grab lock while iterating and sending to clients, this shuld be
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* fast as UDP never blocks */
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g_mutex_lock (sink->client_lock);
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GST_LOG_OBJECT (bsink, "about to send %d bytes", size);
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for (clients = sink->clients; clients; clients = g_list_next (clients)) {
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GstUDPClient *client;
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client = (GstUDPClient *) clients->data;
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num++;
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GST_LOG_OBJECT (sink, "sending %d bytes to client %p", size, client);
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while (TRUE) {
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ret = sendto (*client->sock, data, size, 0,
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(struct sockaddr *) &client->theiraddr, sizeof (client->theiraddr));
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if (ret < 0) {
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if (errno != EINTR && errno != EAGAIN) {
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goto send_error;
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}
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} else {
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client->bytes_sent += ret;
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client->packets_sent++;
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sink->bytes_served += ret;
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break;
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}
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}
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}
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g_mutex_unlock (sink->client_lock);
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GST_LOG_OBJECT (sink, "sent %d bytes to %d clients", size, num);
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return GST_FLOW_OK;
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/* ERRORS */
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send_error:
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{
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/* if sendto returns an error, something is seriously wrong */
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g_mutex_unlock (sink->client_lock);
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GST_DEBUG_OBJECT (sink, "got send error %d: %s", errno, g_strerror (errno));
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GST_ELEMENT_ERROR (sink, STREAM, FAILED, (NULL),
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("Got send error %d: %s", errno, g_strerror (errno)));
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return GST_FLOW_ERROR;
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}
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}
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static void
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gst_multiudpsink_set_clients_string (GstMultiUDPSink * sink,
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const gchar * string)
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{
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gchar **clients;
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gint i;
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clients = g_strsplit (string, ",", 0);
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g_mutex_lock (sink->client_lock);
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/* clear all existing clients */
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gst_multiudpsink_clear_internal (sink, FALSE);
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for (i = 0; clients[i]; i++) {
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gchar *host, *p;
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gint port = 0;
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host = clients[i];
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p = strstr (clients[i], ":");
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if (p != NULL) {
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*p = '\0';
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port = atoi (p + 1);
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}
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if (port != 0)
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gst_multiudpsink_add_internal (sink, host, port, FALSE);
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}
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g_mutex_unlock (sink->client_lock);
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g_strfreev (clients);
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}
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static gchar *
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gst_multiudpsink_get_clients_string (GstMultiUDPSink * sink)
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{
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GString *str;
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GList *clients;
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str = g_string_new ("");
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g_mutex_lock (sink->client_lock);
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clients = sink->clients;
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while (clients) {
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GstUDPClient *client;
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client = (GstUDPClient *) clients->data;
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clients = g_list_next (clients);
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g_string_append_printf (str, "%s:%d%s", client->host, client->port,
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(clients ? "," : ""));
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}
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g_mutex_unlock (sink->client_lock);
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return g_string_free (str, FALSE);
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}
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static void
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gst_multiudpsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMultiUDPSink *udpsink;
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udpsink = GST_MULTIUDPSINK (object);
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switch (prop_id) {
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case PROP_SOCKFD:
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udpsink->sockfd = g_value_get_int (value);
|
|
GST_DEBUG_OBJECT (udpsink, "setting SOCKFD to %d", udpsink->sockfd);
|
|
break;
|
|
case PROP_CLOSEFD:
|
|
udpsink->closefd = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_CLIENTS:
|
|
gst_multiudpsink_set_clients_string (udpsink, g_value_get_string (value));
|
|
break;
|
|
case PROP_AUTO_MULTICAST:
|
|
udpsink->auto_multicast = g_value_get_boolean (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value,
|
|
GParamSpec * pspec)
|
|
{
|
|
GstMultiUDPSink *udpsink;
|
|
|
|
udpsink = GST_MULTIUDPSINK (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_BYTES_TO_SERVE:
|
|
g_value_set_uint64 (value, udpsink->bytes_to_serve);
|
|
break;
|
|
case PROP_BYTES_SERVED:
|
|
g_value_set_uint64 (value, udpsink->bytes_served);
|
|
break;
|
|
case PROP_SOCKFD:
|
|
g_value_set_int (value, udpsink->sockfd);
|
|
break;
|
|
case PROP_CLOSEFD:
|
|
g_value_set_boolean (value, udpsink->closefd);
|
|
break;
|
|
case PROP_SOCK:
|
|
g_value_set_int (value, udpsink->sock);
|
|
break;
|
|
case PROP_CLIENTS:
|
|
g_value_take_string (value,
|
|
gst_multiudpsink_get_clients_string (udpsink));
|
|
break;
|
|
case PROP_AUTO_MULTICAST:
|
|
g_value_set_boolean (value, udpsink->auto_multicast);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
join_multicast (GstUDPClient * client)
|
|
{
|
|
unsigned char ttl = 64;
|
|
unsigned char loop = 1;
|
|
|
|
/* Joining the multicast group */
|
|
/* FIXME, can we use multicast and unicast over the same
|
|
* socket? if not, search for socket of this multicast group or
|
|
* create a new one. */
|
|
if (setsockopt (*(client->sock), IPPROTO_IP, IP_ADD_MEMBERSHIP,
|
|
&(client->multi_addr), sizeof (client->multi_addr)) < 0)
|
|
perror ("setsockopt IP_ADD_MEMBERSHIP\n");
|
|
if (setsockopt (*(client->sock), IPPROTO_IP, IP_MULTICAST_TTL, &ttl,
|
|
sizeof (ttl)) < 0)
|
|
perror ("setsockopt IP_MULTICAST_TTL\n");
|
|
if (setsockopt (*(client->sock), IPPROTO_IP, IP_MULTICAST_LOOP, &loop,
|
|
sizeof (loop)) < 0)
|
|
perror ("setsockopt IP_MULTICAST_LOOP\n");
|
|
}
|
|
|
|
static void
|
|
leave_multicast (GstUDPClient * client)
|
|
{
|
|
if (setsockopt (*(client->sock), IPPROTO_IP, IP_DROP_MEMBERSHIP,
|
|
&(client->multi_addr), sizeof (client->multi_addr)) < 0)
|
|
GST_WARNING ("setsockopt IP_DROP_MEMBERSHIP failed '%s'",
|
|
g_strerror (errno));
|
|
}
|
|
|
|
/* create a socket for sending to remote machine */
|
|
static gboolean
|
|
gst_multiudpsink_init_send (GstMultiUDPSink * sink)
|
|
{
|
|
guint bc_val;
|
|
gint ret;
|
|
GList *clients;
|
|
GstUDPClient *client;
|
|
|
|
if (sink->sockfd == -1) {
|
|
/* create sender socket */
|
|
if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1)
|
|
goto no_socket;
|
|
|
|
sink->externalfd = FALSE;
|
|
} else {
|
|
/* we use the configured socket */
|
|
sink->sock = sink->sockfd;
|
|
sink->externalfd = TRUE;
|
|
}
|
|
|
|
bc_val = 1;
|
|
if ((ret =
|
|
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;
|
|
|
|
/* look for multicast clients and join multicast groups approptiately */
|
|
|
|
for (clients = sink->clients; clients; clients = g_list_next (clients)) {
|
|
client = (GstUDPClient *) clients->data;
|
|
if (client->multi_addr.imr_multiaddr.s_addr && sink->auto_multicast)
|
|
join_multicast (client);
|
|
}
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
no_socket:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
|
|
("Could not create socket (%d): %s", errno, g_strerror (errno)));
|
|
return FALSE;
|
|
}
|
|
no_broadcast:
|
|
{
|
|
CLOSE_IF_REQUESTED (sink);
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
|
|
("Could not set broadcast socket option (%d): %s", errno,
|
|
g_strerror (errno)));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_multiudpsink_close (GstMultiUDPSink * sink)
|
|
{
|
|
CLOSE_IF_REQUESTED (sink);
|
|
}
|
|
|
|
static void
|
|
gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host,
|
|
gint port, gboolean lock)
|
|
{
|
|
struct hostent *he;
|
|
struct in_addr addr;
|
|
GstUDPClient *client;
|
|
GTimeVal now;
|
|
|
|
GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port);
|
|
client = g_new0 (GstUDPClient, 1);
|
|
client->host = g_strdup (host);
|
|
client->port = port;
|
|
client->sock = &sink->sock;
|
|
|
|
memset (&client->theiraddr, 0, sizeof (client->theiraddr));
|
|
memset (&client->multi_addr, 0, sizeof (client->multi_addr));
|
|
client->theiraddr.sin_family = AF_INET; /* host byte order */
|
|
client->theiraddr.sin_port = g_htons (port); /* short, network byte order */
|
|
|
|
g_get_current_time (&now);
|
|
client->connect_time = GST_TIMEVAL_TO_TIME (now);
|
|
|
|
/* if its an IP address */
|
|
if (inet_aton (host, &addr)) {
|
|
/* check if its a multicast address */
|
|
if ((g_ntohl (addr.s_addr) & 0xf0000000) == 0xe0000000) {
|
|
GST_DEBUG_OBJECT (sink, "multicast address detected");
|
|
client->multi_addr.imr_multiaddr.s_addr = addr.s_addr;
|
|
client->multi_addr.imr_interface.s_addr = INADDR_ANY;
|
|
|
|
client->theiraddr.sin_addr = client->multi_addr.imr_multiaddr;
|
|
|
|
} else {
|
|
GST_DEBUG_OBJECT (sink, "normal address detected");
|
|
client->theiraddr.sin_addr = *((struct in_addr *) &addr);
|
|
}
|
|
/* if init_send has already been called, set sockopts for multicast */
|
|
if (*client->sock > 0 && client->multi_addr.imr_multiaddr.s_addr &&
|
|
sink->auto_multicast)
|
|
join_multicast (client);
|
|
}
|
|
/* we dont need to lookup for localhost */
|
|
else if (strcmp (host, "localhost") == 0 && inet_aton ("127.0.0.1", &addr)) {
|
|
client->theiraddr.sin_addr = *((struct in_addr *) &addr);
|
|
}
|
|
/* if its a hostname */
|
|
else if ((he = gethostbyname (host))) {
|
|
client->theiraddr.sin_addr = *((struct in_addr *) he->h_addr);
|
|
} else {
|
|
goto host_error;
|
|
}
|
|
|
|
if (lock)
|
|
g_mutex_lock (sink->client_lock);
|
|
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);
|
|
|
|
return;
|
|
|
|
/* ERRORS */
|
|
host_error:
|
|
{
|
|
GST_WARNING_OBJECT (sink, "hostname lookup error?");
|
|
g_free (client->host);
|
|
g_free (client);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_multiudpsink_add (GstMultiUDPSink * sink, const gchar * host, gint port)
|
|
{
|
|
gst_multiudpsink_add_internal (sink, host, port, TRUE);
|
|
}
|
|
|
|
static gint
|
|
client_compare (GstUDPClient * a, GstUDPClient * b)
|
|
{
|
|
if ((a->port == b->port) && (strcmp (a->host, b->host) == 0))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
free_client (GstUDPClient * client)
|
|
{
|
|
g_free (client->host);
|
|
g_free (client);
|
|
}
|
|
|
|
void
|
|
gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port)
|
|
{
|
|
GList *find;
|
|
GstUDPClient udpclient;
|
|
GstUDPClient *client;
|
|
GTimeVal now;
|
|
|
|
udpclient.host = (gchar *) host;
|
|
udpclient.port = port;
|
|
|
|
g_mutex_lock (sink->client_lock);
|
|
find = g_list_find_custom (sink->clients, &udpclient,
|
|
(GCompareFunc) client_compare);
|
|
if (!find)
|
|
goto not_found;
|
|
|
|
GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port);
|
|
|
|
client = (GstUDPClient *) find->data;
|
|
|
|
g_get_current_time (&now);
|
|
client->disconnect_time = GST_TIMEVAL_TO_TIME (now);
|
|
|
|
if (*(client->sock) != -1 && client->multi_addr.imr_multiaddr.s_addr
|
|
&& sink->auto_multicast)
|
|
leave_multicast (client);
|
|
|
|
/* Unlock to emit signal before we delete the actual client */
|
|
g_mutex_unlock (sink->client_lock);
|
|
g_signal_emit (G_OBJECT (sink),
|
|
gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED], 0, host, port);
|
|
g_mutex_lock (sink->client_lock);
|
|
|
|
sink->clients = g_list_delete_link (sink->clients, find);
|
|
|
|
free_client (client);
|
|
g_mutex_unlock (sink->client_lock);
|
|
|
|
return;
|
|
|
|
/* ERRORS */
|
|
not_found:
|
|
{
|
|
g_mutex_unlock (sink->client_lock);
|
|
GST_WARNING_OBJECT (sink, "client at host %s, port %d not found",
|
|
host, port);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_multiudpsink_clear_internal (GstMultiUDPSink * sink, gboolean lock)
|
|
{
|
|
GST_DEBUG_OBJECT (sink, "clearing");
|
|
/* we only need to remove the client structure, there is no additional
|
|
* socket or anything to free for UDP */
|
|
if (lock)
|
|
g_mutex_lock (sink->client_lock);
|
|
g_list_foreach (sink->clients, (GFunc) free_client, sink);
|
|
g_list_free (sink->clients);
|
|
sink->clients = NULL;
|
|
if (lock)
|
|
g_mutex_unlock (sink->client_lock);
|
|
}
|
|
|
|
void
|
|
gst_multiudpsink_clear (GstMultiUDPSink * sink)
|
|
{
|
|
gst_multiudpsink_clear_internal (sink, TRUE);
|
|
}
|
|
|
|
GValueArray *
|
|
gst_multiudpsink_get_stats (GstMultiUDPSink * sink, const gchar * host,
|
|
gint port)
|
|
{
|
|
GstUDPClient *client;
|
|
GValueArray *result = NULL;
|
|
GstUDPClient udpclient;
|
|
GList *find;
|
|
GValue value = { 0 };
|
|
|
|
udpclient.host = (gchar *) host;
|
|
udpclient.port = port;
|
|
|
|
g_mutex_lock (sink->client_lock);
|
|
|
|
find = g_list_find_custom (sink->clients, &udpclient,
|
|
(GCompareFunc) client_compare);
|
|
if (!find)
|
|
goto not_found;
|
|
|
|
GST_DEBUG_OBJECT (sink, "stats for client with host %s, port %d", host, port);
|
|
|
|
client = (GstUDPClient *) find->data;
|
|
|
|
/* Result is a value array of (bytes_sent, packets_sent,
|
|
* connect_time, disconnect_time), all as uint64 */
|
|
result = g_value_array_new (4);
|
|
|
|
g_value_init (&value, G_TYPE_UINT64);
|
|
g_value_set_uint64 (&value, client->bytes_sent);
|
|
result = g_value_array_append (result, &value);
|
|
g_value_unset (&value);
|
|
|
|
g_value_init (&value, G_TYPE_UINT64);
|
|
g_value_set_uint64 (&value, client->packets_sent);
|
|
result = g_value_array_append (result, &value);
|
|
g_value_unset (&value);
|
|
|
|
g_value_init (&value, G_TYPE_UINT64);
|
|
g_value_set_uint64 (&value, client->connect_time);
|
|
result = g_value_array_append (result, &value);
|
|
g_value_unset (&value);
|
|
|
|
g_value_init (&value, G_TYPE_UINT64);
|
|
g_value_set_uint64 (&value, client->disconnect_time);
|
|
result = g_value_array_append (result, &value);
|
|
g_value_unset (&value);
|
|
|
|
g_mutex_unlock (sink->client_lock);
|
|
|
|
return result;
|
|
|
|
/* ERRORS */
|
|
not_found:
|
|
{
|
|
g_mutex_unlock (sink->client_lock);
|
|
GST_WARNING_OBJECT (sink, "client with host %s, port %d not found",
|
|
host, port);
|
|
/* Apparently (see comment in gstmultifdsink.c) returning NULL from here may
|
|
* confuse/break python bindings */
|
|
return g_value_array_new (0);
|
|
}
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_multiudpsink_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn ret;
|
|
GstMultiUDPSink *sink;
|
|
|
|
sink = GST_MULTIUDPSINK (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
if (!gst_multiudpsink_init_send (sink))
|
|
goto no_init;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_multiudpsink_close (sink);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
no_init:
|
|
{
|
|
/* _init_send() posted specific error already */
|
|
return GST_STATE_CHANGE_FAILURE;
|
|
}
|
|
}
|