tcpclientsink: Port to GIO

This commit is contained in:
Sebastian Dröge 2012-01-11 15:43:11 +01:00
parent 075ec8b4e4
commit 2a2acedde0
2 changed files with 172 additions and 122 deletions

View file

@ -1,6 +1,8 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
* Copyright (C) <2011> Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -20,7 +22,7 @@
/**
* SECTION:element-tcpclientsink
* @see_also: #tcpclientsrc
* @see_also: #tcpclientsink
*
* <refsect2>
* <title>Example launch line</title>
@ -28,7 +30,7 @@
* # server:
* nc -l -p 3000
* # client:
* gst-launch fdsrc fd=1 ! tcpclientsink port=3000
* gst-launch fdsink fd=1 ! tcpclientsink port=3000
* ]| everything you type in the client is shown on the server
* </refsect2>
*/
@ -37,9 +39,9 @@
#include "config.h"
#endif
#include <gst/gst-i18n-plugin.h>
#include "gsttcp.h"
#include "gsttcpclientsink.h"
#include <string.h> /* memset */
/* TCPClientSink signals and args */
enum
@ -54,9 +56,9 @@ GST_DEBUG_CATEGORY_STATIC (tcpclientsink_debug);
enum
{
ARG_0,
ARG_HOST,
ARG_PORT
PROP_0,
PROP_HOST,
PROP_PORT
};
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
@ -70,8 +72,10 @@ static gboolean gst_tcp_client_sink_setcaps (GstBaseSink * bsink,
GstCaps * caps);
static GstFlowReturn gst_tcp_client_sink_render (GstBaseSink * bsink,
GstBuffer * buf);
static GstStateChangeReturn gst_tcp_client_sink_change_state (GstElement *
element, GstStateChange transition);
static gboolean gst_tcp_client_sink_start (GstBaseSink * bsink);
static gboolean gst_tcp_client_sink_stop (GstBaseSink * bsink);
static gboolean gst_tcp_client_sink_unlock (GstBaseSink * bsink);
static gboolean gst_tcp_client_sink_unlock_stop (GstBaseSink * bsink);
static void gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -101,10 +105,10 @@ gst_tcp_client_sink_class_init (GstTCPClientSinkClass * klass)
gobject_class->get_property = gst_tcp_client_sink_get_property;
gobject_class->finalize = gst_tcp_client_sink_finalize;
g_object_class_install_property (gobject_class, ARG_HOST,
g_object_class_install_property (gobject_class, PROP_HOST,
g_param_spec_string ("host", "Host", "The host/IP to send the packets to",
TCP_DEFAULT_HOST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, ARG_PORT,
g_object_class_install_property (gobject_class, PROP_PORT,
g_param_spec_int ("port", "Port", "The port to send the packets to",
0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -117,10 +121,12 @@ gst_tcp_client_sink_class_init (GstTCPClientSinkClass * klass)
"Send data as a client over the network via TCP",
"Thomas Vander Stichele <thomas at apestaart dot org>");
gstelement_class->change_state = gst_tcp_client_sink_change_state;
gstbasesink_class->start = gst_tcp_client_sink_start;
gstbasesink_class->stop = gst_tcp_client_sink_stop;
gstbasesink_class->set_caps = gst_tcp_client_sink_setcaps;
gstbasesink_class->render = gst_tcp_client_sink_render;
gstbasesink_class->unlock = gst_tcp_client_sink_unlock;
gstbasesink_class->unlock_stop = gst_tcp_client_sink_unlock_stop;
GST_DEBUG_CATEGORY_INIT (tcpclientsink_debug, "tcpclientsink", 0, "TCP sink");
}
@ -131,7 +137,9 @@ gst_tcp_client_sink_init (GstTCPClientSink * this)
this->host = g_strdup (TCP_DEFAULT_HOST);
this->port = TCP_DEFAULT_PORT;
this->sock_fd.fd = -1;
this->socket = NULL;
this->cancellable = g_cancellable_new ();
GST_OBJECT_FLAG_UNSET (this, GST_TCP_CLIENT_SINK_OPEN);
}
@ -140,7 +148,16 @@ gst_tcp_client_sink_finalize (GObject * gobject)
{
GstTCPClientSink *this = GST_TCP_CLIENT_SINK (gobject);
if (this->cancellable)
g_object_unref (this->cancellable);
this->cancellable = NULL;
if (this->socket)
g_object_unref (this->socket);
this->socket = NULL;
g_free (this->host);
this->host = NULL;
G_OBJECT_CLASS (parent_class)->finalize (gobject);
}
@ -154,10 +171,11 @@ gst_tcp_client_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
static GstFlowReturn
gst_tcp_client_sink_render (GstBaseSink * bsink, GstBuffer * buf)
{
size_t wrote = 0;
GstTCPClientSink *sink;
guint8 *data;
gsize size;
gsize size, written = 0;
gssize rret;
GError *err = NULL;
sink = GST_TCP_CLIENT_SINK (bsink);
@ -169,24 +187,39 @@ gst_tcp_client_sink_render (GstBaseSink * bsink, GstBuffer * buf)
size);
/* write buffer data */
wrote = gst_tcp_socket_write (sink->sock_fd.fd, data, size);
while (written < size) {
rret =
g_socket_send (sink->socket, (gchar *) data + written, size - written,
sink->cancellable, &err);
if (rret < 0)
goto write_error;
written += rret;
}
gst_buffer_unmap (buf, data, size);
if (wrote < size)
goto write_error;
sink->data_written += wrote;
sink->data_written += written;
return GST_FLOW_OK;
/* ERRORS */
write_error:
{
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
(_("Error while sending data to \"%s:%d\"."), sink->host, sink->port),
("Only %" G_GSIZE_FORMAT " of %" G_GSIZE_FORMAT " bytes written: %s",
wrote, size, g_strerror (errno)));
return GST_FLOW_ERROR;
GstFlowReturn ret;
gst_buffer_unmap (buf, data, size);
if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
ret = GST_FLOW_WRONG_STATE;
GST_DEBUG_OBJECT (sink, "Cancelled reading from socket");
} else {
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
(_("Error while sending data to \"%s:%d\"."), sink->host, sink->port),
("Only %" G_GSIZE_FORMAT " of %" G_GSIZE_FORMAT " bytes written: %s",
written, size, err->message));
ret = GST_FLOW_ERROR;
}
g_clear_error (&err);
return ret;
}
}
@ -200,7 +233,7 @@ gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
tcpclientsink = GST_TCP_CLIENT_SINK (object);
switch (prop_id) {
case ARG_HOST:
case PROP_HOST:
if (!g_value_get_string (value)) {
g_warning ("host property cannot be NULL");
break;
@ -208,7 +241,7 @@ gst_tcp_client_sink_set_property (GObject * object, guint prop_id,
g_free (tcpclientsink->host);
tcpclientsink->host = g_strdup (g_value_get_string (value));
break;
case ARG_PORT:
case PROP_PORT:
tcpclientsink->port = g_value_get_int (value);
break;
@ -228,13 +261,12 @@ gst_tcp_client_sink_get_property (GObject * object, guint prop_id,
tcpclientsink = GST_TCP_CLIENT_SINK (object);
switch (prop_id) {
case ARG_HOST:
case PROP_HOST:
g_value_set_string (value, tcpclientsink->host);
break;
case ARG_PORT:
case PROP_PORT:
g_value_set_int (value, tcpclientsink->port);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -244,114 +276,146 @@ gst_tcp_client_sink_get_property (GObject * object, guint prop_id,
/* create a socket for sending to remote machine */
static gboolean
gst_tcp_client_sink_start (GstTCPClientSink * this)
gst_tcp_client_sink_start (GstBaseSink * bsink)
{
int ret;
gchar *ip;
GstTCPClientSink *this = GST_TCP_CLIENT_SINK (bsink);
GError *err = NULL;
GInetAddress *addr;
GSocketAddress *saddr;
if (GST_OBJECT_FLAG_IS_SET (this, GST_TCP_CLIENT_SINK_OPEN))
return TRUE;
/* reset caps_sent flag */
this->caps_sent = FALSE;
/* create sending client socket */
GST_DEBUG_OBJECT (this, "opening sending client socket to %s:%d", this->host,
this->port);
if ((this->sock_fd.fd = socket (AF_INET, SOCK_STREAM, 0)) == -1) {
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE, (NULL), GST_ERROR_SYSTEM);
return FALSE;
}
GST_DEBUG_OBJECT (this, "opened sending client socket with fd %d",
this->sock_fd.fd);
this->socket =
g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_STREAM,
G_SOCKET_PROTOCOL_TCP, &err);
if (!this->socket)
goto no_socket;
GST_DEBUG_OBJECT (this, "opened sending client socket");
/* look up name if we need to */
ip = gst_tcp_host_to_ip (GST_ELEMENT (this), this->host);
if (!ip) {
gst_tcp_socket_close (&this->sock_fd);
return FALSE;
addr = g_inet_address_new_from_string (this->host);
if (!addr) {
GResolver *resolver = g_resolver_get_default ();
GList *results;
results =
g_resolver_lookup_by_name (resolver, this->host, this->cancellable,
&err);
if (!results)
goto name_resolve;
addr = G_INET_ADDRESS (g_object_ref (results->data));
g_resolver_free_addresses (results);
g_object_unref (resolver);
}
GST_DEBUG_OBJECT (this, "IP address for host %s is %s", this->host, ip);
#ifndef GST_DISABLE_GST_DEBUG
{
gchar *ip = g_inet_address_to_string (addr);
GST_DEBUG_OBJECT (this, "IP address for host %s is %s", this->host, ip);
g_free (ip);
}
#endif
/* connect to server */
memset (&this->server_sin, 0, sizeof (this->server_sin));
this->server_sin.sin_family = AF_INET; /* network socket */
this->server_sin.sin_port = htons (this->port); /* on port */
this->server_sin.sin_addr.s_addr = inet_addr (ip); /* on host ip */
g_free (ip);
saddr = g_inet_socket_address_new (addr, this->port);
if (!g_socket_connect (this->socket, saddr, this->cancellable, &err))
goto connect_failed;
GST_DEBUG_OBJECT (this, "connecting to server");
ret = connect (this->sock_fd.fd, (struct sockaddr *) &this->server_sin,
sizeof (this->server_sin));
if (ret) {
gst_tcp_socket_close (&this->sock_fd);
switch (errno) {
case ECONNREFUSED:
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_WRITE,
(_("Connection to %s:%d refused."), this->host, this->port),
(NULL));
return FALSE;
break;
default:
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
("connect to %s:%d failed: %s", this->host, this->port,
g_strerror (errno)));
return FALSE;
break;
}
}
g_object_unref (saddr);
g_object_unref (addr);
GST_OBJECT_FLAG_SET (this, GST_TCP_CLIENT_SINK_OPEN);
this->data_written = 0;
return TRUE;
no_socket:
{
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
("Failed to create socket: %s", err->message));
g_clear_error (&err);
return FALSE;
}
name_resolve:
{
if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
GST_DEBUG_OBJECT (this, "Cancelled name resolval");
} else {
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
("Failed to resolve host '%s': %s", this->host, err->message));
}
g_clear_error (&err);
gst_tcp_client_sink_stop (GST_BASE_SINK (this));
return FALSE;
}
connect_failed:
{
if (g_error_matches (err, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
GST_DEBUG_OBJECT (this, "Cancelled connecting");
} else {
GST_ELEMENT_ERROR (this, RESOURCE, OPEN_READ, (NULL),
("Failed to connect to host '%s:%d': %s", this->host, this->port,
err->message));
}
g_clear_error (&err);
g_object_unref (saddr);
g_object_unref (addr);
gst_tcp_client_sink_stop (GST_BASE_SINK (this));
return FALSE;
}
}
static gboolean
gst_tcp_client_sink_stop (GstTCPClientSink * this)
gst_tcp_client_sink_stop (GstBaseSink * bsink)
{
GstTCPClientSink *this = GST_TCP_CLIENT_SINK (bsink);
GError *err = NULL;
if (!GST_OBJECT_FLAG_IS_SET (this, GST_TCP_CLIENT_SINK_OPEN))
return TRUE;
gst_tcp_socket_close (&this->sock_fd);
if (this->socket) {
GST_DEBUG_OBJECT (this, "closing socket");
if (!g_socket_close (this->socket, &err)) {
GST_ERROR_OBJECT (this, "Failed to close socket: %s", err->message);
g_clear_error (&err);
}
g_object_unref (this->socket);
this->socket = NULL;
}
GST_OBJECT_FLAG_UNSET (this, GST_TCP_CLIENT_SINK_OPEN);
return TRUE;
}
static GstStateChangeReturn
gst_tcp_client_sink_change_state (GstElement * element,
GstStateChange transition)
/* will be called only between calls to start() and stop() */
static gboolean
gst_tcp_client_sink_unlock (GstBaseSink * bsink)
{
GstTCPClientSink *sink;
GstStateChangeReturn res;
GstTCPClientSink *sink = GST_TCP_CLIENT_SINK (bsink);
sink = GST_TCP_CLIENT_SINK (element);
GST_DEBUG_OBJECT (sink, "set to flushing");
g_cancellable_cancel (sink->cancellable);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (!gst_tcp_client_sink_start (sink))
goto start_failure;
break;
default:
break;
}
res = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
gst_tcp_client_sink_stop (sink);
default:
break;
}
return res;
start_failure:
{
return GST_STATE_CHANGE_FAILURE;
}
return TRUE;
}
/* will be called only between calls to start() and stop() */
static gboolean
gst_tcp_client_sink_unlock_stop (GstBaseSink * bsink)
{
GstTCPClientSink *sink = GST_TCP_CLIENT_SINK (bsink);
GST_DEBUG_OBJECT (sink, "unset flushing");
g_cancellable_reset (sink->cancellable);
return TRUE;
}

View file

@ -25,25 +25,12 @@
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
#include <gio/gio.h>
#include "gsttcp.h"
G_BEGIN_DECLS
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <arpa/inet.h>
#include "gsttcp.h"
#define GST_TYPE_TCP_CLIENT_SINK \
(gst_tcp_client_sink_get_type())
#define GST_TCP_CLIENT_SINK(obj) \
@ -70,13 +57,12 @@ struct _GstTCPClientSink {
/* server information */
int port;
gchar *host;
struct sockaddr_in server_sin;
/* socket */
GstPollFD sock_fd;
GSocket *socket;
GCancellable *cancellable;
size_t data_written; /* how much bytes have we written ? */
gboolean caps_sent; /* whether or not we sent caps already */
};
struct _GstTCPClientSinkClass {