mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ecbc5c1a2e
Original commit message from CVS: ports can go up to 65535. Move common defines to gsttcp.h
389 lines
11 KiB
C
389 lines
11 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst-i18n-plugin.h>
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#include <gst/dataprotocol/dataprotocol.h>
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#include "gsttcp.h"
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#include "gsttcpclientsink.h"
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/* elementfactory information */
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static GstElementDetails gst_tcpclientsink_details =
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GST_ELEMENT_DETAILS ("TCP Client sink",
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"Sink/Network",
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"Send data as a client over the network via TCP",
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"Thomas Vander Stichele <thomas at apestaart dot org>");
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/* TCPClientSink signals and args */
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enum
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{
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FRAME_ENCODED,
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/* FILL ME */
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LAST_SIGNAL
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};
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GST_DEBUG_CATEGORY (tcpclientsink_debug);
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#define GST_CAT_DEFAULT (tcpclientsink_debug)
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enum
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{
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ARG_0,
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ARG_HOST,
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ARG_PORT,
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ARG_PROTOCOL
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/* FILL ME */
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};
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static void gst_tcpclientsink_base_init (gpointer g_class);
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static void gst_tcpclientsink_class_init (GstTCPClientSink * klass);
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static void gst_tcpclientsink_init (GstTCPClientSink * tcpclientsink);
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static void gst_tcpclientsink_set_clock (GstElement * element,
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GstClock * clock);
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static void gst_tcpclientsink_chain (GstPad * pad, GstData * _data);
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static GstElementStateReturn gst_tcpclientsink_change_state (GstElement *
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element);
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static void gst_tcpclientsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_tcpclientsink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_tcpclientsink_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_tcpclientsink_get_type (void)
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{
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static GType tcpclientsink_type = 0;
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if (!tcpclientsink_type) {
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static const GTypeInfo tcpclientsink_info = {
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sizeof (GstTCPClientSinkClass),
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gst_tcpclientsink_base_init,
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NULL,
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(GClassInitFunc) gst_tcpclientsink_class_init,
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NULL,
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NULL,
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sizeof (GstTCPClientSink),
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0,
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(GInstanceInitFunc) gst_tcpclientsink_init,
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NULL
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};
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tcpclientsink_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstTCPClientSink",
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&tcpclientsink_info, 0);
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}
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return tcpclientsink_type;
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}
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static void
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gst_tcpclientsink_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_set_details (element_class, &gst_tcpclientsink_details);
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}
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static void
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gst_tcpclientsink_class_init (GstTCPClientSink * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HOST,
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g_param_spec_string ("host", "Host", "The host/IP to send the packets to",
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TCP_DEFAULT_HOST, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT,
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g_param_spec_int ("port", "Port", "The port to send the packets to",
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0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, ARG_PROTOCOL,
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g_param_spec_enum ("protocol", "Protocol", "The protocol to wrap data in",
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GST_TYPE_TCP_PROTOCOL_TYPE, GST_TCP_PROTOCOL_TYPE_NONE,
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G_PARAM_READWRITE));
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gobject_class->set_property = gst_tcpclientsink_set_property;
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gobject_class->get_property = gst_tcpclientsink_get_property;
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gstelement_class->change_state = gst_tcpclientsink_change_state;
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gstelement_class->set_clock = gst_tcpclientsink_set_clock;
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GST_DEBUG_CATEGORY_INIT (tcpclientsink_debug, "tcpclientsink", 0, "TCP sink");
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}
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static void
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gst_tcpclientsink_set_clock (GstElement * element, GstClock * clock)
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{
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GstTCPClientSink *tcpclientsink;
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tcpclientsink = GST_TCPCLIENTSINK (element);
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tcpclientsink->clock = clock;
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}
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static void
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gst_tcpclientsink_init (GstTCPClientSink * this)
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{
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/* create the sink pad */
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this->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (this), this->sinkpad);
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gst_pad_set_chain_function (this->sinkpad, gst_tcpclientsink_chain);
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this->host = g_strdup (TCP_DEFAULT_HOST);
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this->port = TCP_DEFAULT_PORT;
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/* should support as minimum 576 for IPV4 and 1500 for IPV6 */
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/* this->mtu = 1500; */
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this->sock_fd = -1;
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this->protocol = GST_TCP_PROTOCOL_TYPE_NONE;
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GST_FLAG_UNSET (this, GST_TCPCLIENTSINK_OPEN);
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this->clock = NULL;
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}
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static void
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gst_tcpclientsink_chain (GstPad * pad, GstData * _data)
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{
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size_t wrote = 0;
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GstBuffer *buf = GST_BUFFER (_data);
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GstTCPClientSink *sink;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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sink = GST_TCPCLIENTSINK (GST_OBJECT_PARENT (pad));
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g_return_if_fail (GST_FLAG_IS_SET (sink, GST_TCPCLIENTSINK_OPEN));
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if (GST_IS_EVENT (buf)) {
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g_warning ("FIXME: handl events");
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return;
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}
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/* write the buffer header if we have one */
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switch (sink->protocol) {
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case GST_TCP_PROTOCOL_TYPE_NONE:
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break;
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case GST_TCP_PROTOCOL_TYPE_GDP:
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/* if we haven't send caps yet, send them first */
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if (!sink->caps_sent) {
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const GstCaps *caps;
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gchar *string;
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caps = GST_PAD_CAPS (GST_PAD_PEER (pad));
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string = gst_caps_to_string (caps);
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GST_DEBUG_OBJECT (sink, "Sending caps %s through GDP", string);
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if (!gst_tcp_gdp_write_caps (GST_ELEMENT (sink), sink->sock_fd, caps,
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TRUE, sink->host, sink->port)) {
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g_free (string);
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return;
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}
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g_free (string);
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sink->caps_sent = TRUE;
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}
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GST_LOG_OBJECT (sink, "Sending buffer header through GDP");
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if (!gst_tcp_gdp_write_header (GST_ELEMENT (sink), sink->sock_fd, buf,
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TRUE, sink->host, sink->port))
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return;
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break;
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default:
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g_warning ("Unhandled protocol type");
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break;
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}
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GST_LOG_OBJECT (sink, "writing %d bytes for buffer data",
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GST_BUFFER_SIZE (buf));
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wrote =
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gst_tcp_socket_write (sink->sock_fd, GST_BUFFER_DATA (buf),
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GST_BUFFER_SIZE (buf));
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if (wrote < GST_BUFFER_SIZE (buf)) {
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GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
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(_("Error while sending data to \"%s:%d\"."), sink->host, sink->port),
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("Only %d of %d bytes written: %s",
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wrote, GST_BUFFER_SIZE (buf), g_strerror (errno)));
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}
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sink->data_written += wrote;
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gst_buffer_unref (buf);
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/* FIXME: emit signal ? */
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}
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static void
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gst_tcpclientsink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstTCPClientSink *tcpclientsink;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_TCPCLIENTSINK (object));
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tcpclientsink = GST_TCPCLIENTSINK (object);
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switch (prop_id) {
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case ARG_HOST:
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g_free (tcpclientsink->host);
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tcpclientsink->host = g_strdup (g_value_get_string (value));
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break;
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case ARG_PORT:
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tcpclientsink->port = g_value_get_int (value);
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break;
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case ARG_PROTOCOL:
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tcpclientsink->protocol = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_tcpclientsink_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstTCPClientSink *tcpclientsink;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_TCPCLIENTSINK (object));
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tcpclientsink = GST_TCPCLIENTSINK (object);
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switch (prop_id) {
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case ARG_HOST:
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g_value_set_string (value, tcpclientsink->host);
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break;
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case ARG_PORT:
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g_value_set_int (value, tcpclientsink->port);
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break;
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case ARG_PROTOCOL:
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g_value_set_enum (value, tcpclientsink->protocol);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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/* create a socket for sending to remote machine */
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static gboolean
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gst_tcpclientsink_init_send (GstTCPClientSink * this)
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{
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int ret;
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gchar *ip;
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/* reset caps_sent flag */
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this->caps_sent = FALSE;
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/* create sending client socket */
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GST_DEBUG_OBJECT (this, "opening sending client socket to %s:%d", this->host,
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this->port);
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if ((this->sock_fd = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE, (NULL), GST_ERROR_SYSTEM);
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return FALSE;
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}
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GST_DEBUG_OBJECT (this, "opened sending client socket with fd %d",
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this->sock_fd);
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/* look up name if we need to */
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ip = gst_tcp_host_to_ip (GST_ELEMENT (this), this->host);
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if (!ip)
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return FALSE;
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GST_DEBUG_OBJECT (this, "IP address for host %s is %s", this->host, ip);
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/* connect to server */
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memset (&this->server_sin, 0, sizeof (this->server_sin));
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this->server_sin.sin_family = AF_INET; /* network socket */
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this->server_sin.sin_port = htons (this->port); /* on port */
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this->server_sin.sin_addr.s_addr = inet_addr (ip); /* on host ip */
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g_free (ip);
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GST_DEBUG_OBJECT (this, "connecting to server");
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ret = connect (this->sock_fd, (struct sockaddr *) &this->server_sin,
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sizeof (this->server_sin));
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if (ret) {
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switch (errno) {
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case ECONNREFUSED:
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE,
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(_("Connection to %s:%d refused."), this->host, this->port),
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(NULL));
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return FALSE;
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break;
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default:
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GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
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("connect to %s:%d failed: %s", this->host, this->port,
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g_strerror (errno)));
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return FALSE;
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break;
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}
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}
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GST_FLAG_SET (this, GST_TCPCLIENTSINK_OPEN);
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this->data_written = 0;
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return TRUE;
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}
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static void
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gst_tcpclientsink_close (GstTCPClientSink * this)
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{
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if (this->sock_fd != -1) {
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close (this->sock_fd);
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this->sock_fd = -1;
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}
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GST_FLAG_UNSET (this, GST_TCPCLIENTSINK_OPEN);
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}
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static GstElementStateReturn
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gst_tcpclientsink_change_state (GstElement * element)
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{
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g_return_val_if_fail (GST_IS_TCPCLIENTSINK (element), GST_STATE_FAILURE);
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if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
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if (GST_FLAG_IS_SET (element, GST_TCPCLIENTSINK_OPEN))
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gst_tcpclientsink_close (GST_TCPCLIENTSINK (element));
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} else {
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if (!GST_FLAG_IS_SET (element, GST_TCPCLIENTSINK_OPEN)) {
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if (!gst_tcpclientsink_init_send (GST_TCPCLIENTSINK (element)))
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return GST_STATE_FAILURE;
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}
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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return GST_ELEMENT_CLASS (parent_class)->change_state (element);
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return GST_STATE_SUCCESS;
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}
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