gstreamer/ext/curl/gstcurlsftpsink.c

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/* GStreamer
* Copyright (C) 2011 Axis Communications <dev-gstreamer@axis.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-curlsftpsink
* @short_description: sink that uploads data to a server using libcurl
* @see_also:
*
* This is a network sink that uses libcurl as a client to upload data to
* a SFTP (SSH File Transfer Protocol) server.
*
* <refsect2>
* <title>Example launch line (upload a file to /home/john/sftp_tests/)</title>
* |[
* gst-launch filesrc location=/home/jdoe/some.file ! curlsftpsink \
* file-name=some.file.backup \
* user=john location=sftp://192.168.0.1/~/sftp_tests/ \
* ssh-auth-type=1 ssh-key-passphrase=blabla \
* ssh-pub-keyfile=/home/jdoe/.ssh/id_rsa.pub \
* ssh-priv-keyfile=/home/jdoe/.ssh/id_rsa \
* create-dirs=TRUE
* ]|
* </refsect2>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstcurlsshsink.h"
#include "gstcurlsftpsink.h"
#include <curl/curl.h>
#include <string.h>
#include <stdio.h>
#ifdef G_OS_WIN32
#include <winsock2.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#endif
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
/* Default values */
#define GST_CAT_DEFAULT gst_curl_sftp_sink_debug
/* Plugin specific settings */
GST_DEBUG_CATEGORY_STATIC (gst_curl_sftp_sink_debug);
enum
{
PROP_0,
PROP_CREATE_DIRS
};
/* private functions */
static void gst_curl_sftp_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_curl_sftp_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_curl_sftp_sink_finalize (GObject * gobject);
static gboolean set_sftp_options_unlocked (GstCurlBaseSink * curlbasesink);
static gboolean set_sftp_dynamic_options_unlocked (GstCurlBaseSink *
curlbasesink);
#define gst_curl_sftp_sink_parent_class parent_class
G_DEFINE_TYPE (GstCurlSftpSink, gst_curl_sftp_sink, GST_TYPE_CURL_SSH_SINK);
static void
gst_curl_sftp_sink_class_init (GstCurlSftpSinkClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstCurlBaseSinkClass *gstcurlbasesink_class = (GstCurlBaseSinkClass *) klass;
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (gst_curl_sftp_sink_debug, "curlsftpsink", 0,
"curl sftp sink element");
GST_DEBUG_OBJECT (klass, "class_init");
gst_element_class_set_static_metadata (element_class,
"Curl sftp sink",
"Sink/Network",
"Upload data over the SFTP protocol using libcurl",
"Sorin L. <sorin@axis.com>");
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_curl_sftp_sink_finalize);
gobject_class->set_property = gst_curl_sftp_sink_set_property;
gobject_class->get_property = gst_curl_sftp_sink_get_property;
gstcurlbasesink_class->set_protocol_dynamic_options_unlocked =
set_sftp_dynamic_options_unlocked;
gstcurlbasesink_class->set_options_unlocked = set_sftp_options_unlocked;
g_object_class_install_property (gobject_class, PROP_CREATE_DIRS,
g_param_spec_boolean ("create-dirs", "Create missing directories",
"Attempt to create missing directories",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_curl_sftp_sink_init (GstCurlSftpSink * sink)
{
}
static void
gst_curl_sftp_sink_finalize (GObject * gobject)
{
GST_DEBUG ("finalizing curlsftpsink");
G_OBJECT_CLASS (parent_class)->finalize (gobject);
}
static gboolean
set_sftp_dynamic_options_unlocked (GstCurlBaseSink * basesink)
{
gchar *tmp = g_strdup_printf ("%s%s", basesink->url, basesink->file_name);
CURLcode curl_err = CURLE_OK;
curl_err = curl_easy_setopt (basesink->curl, CURLOPT_URL, tmp);
g_free (tmp);
if (curl_err != CURLE_OK) {
basesink->error = g_strdup_printf ("failed to set URL: %s",
curl_easy_strerror (curl_err));
return FALSE;
}
return TRUE;
}
static gboolean
set_sftp_options_unlocked (GstCurlBaseSink * basesink)
{
GstCurlSftpSink *sink = GST_CURL_SFTP_SINK (basesink);
GstCurlSshSinkClass *parent_class;
CURLcode curl_err = CURLE_OK;
if ((curl_err =
curl_easy_setopt (basesink->curl, CURLOPT_UPLOAD, 1L)) != CURLE_OK) {
basesink->error = g_strdup_printf ("failed to prepare for upload: %s",
curl_easy_strerror (curl_err));
return FALSE;
}
if (sink->create_dirs) {
if ((curl_err = curl_easy_setopt (basesink->curl,
CURLOPT_FTP_CREATE_MISSING_DIRS, 1L)) != CURLE_OK) {
basesink->error =
g_strdup_printf ("failed to set create missing dirs: %s",
curl_easy_strerror (curl_err));
return FALSE;
}
}
parent_class = GST_CURL_SSH_SINK_GET_CLASS (sink);
/* chain to parent as well */
return parent_class->set_options_unlocked (basesink);
}
static void
gst_curl_sftp_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCurlSftpSink *sink;
GstState cur_state;
g_return_if_fail (GST_IS_CURL_SFTP_SINK (object));
sink = GST_CURL_SFTP_SINK (object);
gst_element_get_state (GST_ELEMENT (sink), &cur_state, NULL, 0);
if (cur_state != GST_STATE_PLAYING && cur_state != GST_STATE_PAUSED) {
GST_OBJECT_LOCK (sink);
switch (prop_id) {
case PROP_CREATE_DIRS:
sink->create_dirs = g_value_get_boolean (value);
GST_DEBUG_OBJECT (sink, "create-dirs set to %d", sink->create_dirs);
break;
default:
GST_DEBUG_OBJECT (sink, "invalid property id %d", prop_id);
break;
}
GST_OBJECT_UNLOCK (sink);
}
}
static void
gst_curl_sftp_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstCurlSftpSink *sink;
g_return_if_fail (GST_IS_CURL_SFTP_SINK (object));
sink = GST_CURL_SFTP_SINK (object);
switch (prop_id) {
case PROP_CREATE_DIRS:
g_value_set_boolean (value, sink->create_dirs);
break;
default:
GST_DEBUG_OBJECT (sink, "invalid property id");
break;
}
}