gstreamer/ext/curl/gstcurlfilesink.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-curlfilesink
* @title: curlfilesink
* @short_description: sink that uploads data to a server using libcurl
*
* This is a network sink that uses libcurl as a client to upload data to
* a local or network drive.
*
* ## Example launch line (upload a JPEG file to /home/test/images directory)
* |[
* gst-launch-1.0 filesrc location=image.jpg ! jpegparse ! curlfilesink \
* file-name=image.jpg \
* location=file:///home/test/images/
* ]|
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <curl/curl.h>
#include <string.h>
#include <stdio.h>
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#include <sys/types.h>
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <unistd.h>
#if HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#if HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include "gstcurlelements.h"
#include "gstcurlbasesink.h"
#include "gstcurlfilesink.h"
/* Default values */
#define GST_CAT_DEFAULT gst_curl_file_sink_debug
/* Plugin specific settings */
GST_DEBUG_CATEGORY_STATIC (gst_curl_file_sink_debug);
enum
{
PROP_0,
PROP_CREATE_DIRS
};
/* Object class function declarations */
/* private functions */
static void gst_curl_file_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_curl_file_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean set_file_options_unlocked (GstCurlBaseSink * curlbasesink);
static gboolean set_file_dynamic_options_unlocked
(GstCurlBaseSink * curlbasesink);
static gboolean gst_curl_file_sink_prepare_transfer (GstCurlBaseSink *
curlbasesink);
#define gst_curl_file_sink_parent_class parent_class
G_DEFINE_TYPE (GstCurlFileSink, gst_curl_file_sink, GST_TYPE_CURL_BASE_SINK);
GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (curlfilesink, "curlfilesink",
GST_RANK_NONE, GST_TYPE_CURL_FILE_SINK, curl_element_init (plugin));
static void
gst_curl_file_sink_class_init (GstCurlFileSinkClass * 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_file_sink_debug, "curlfilesink", 0,
"curl file sink element");
gst_element_class_set_static_metadata (element_class,
"Curl file sink",
"Sink/Network",
"Upload data over FILE protocol using libcurl",
"Patricia Muscalu <patricia@axis.com>");
gobject_class->set_property = gst_curl_file_sink_set_property;
gobject_class->get_property = gst_curl_file_sink_get_property;
gstcurlbasesink_class->set_protocol_dynamic_options_unlocked =
set_file_dynamic_options_unlocked;
gstcurlbasesink_class->set_options_unlocked = set_file_options_unlocked;
gstcurlbasesink_class->prepare_transfer = gst_curl_file_sink_prepare_transfer;
g_object_class_install_property (gobject_class, PROP_CREATE_DIRS,
g_param_spec_boolean ("create-dirs", "Create missing directories",
"Attempt to create missing directory included in the path",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_curl_file_sink_init (GstCurlFileSink * sink)
{
}
static void
gst_curl_file_sink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstCurlFileSink *sink;
GstState cur_state;
g_return_if_fail (GST_IS_CURL_FILE_SINK (object));
sink = GST_CURL_FILE_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_file_sink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstCurlFileSink *sink;
g_return_if_fail (GST_IS_CURL_FILE_SINK (object));
sink = GST_CURL_FILE_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;
}
}
static gboolean
set_file_dynamic_options_unlocked (GstCurlBaseSink * basesink)
{
gchar *tmp = g_strdup_printf ("%s%s", basesink->url, basesink->file_name);
CURLcode res;
res = curl_easy_setopt (basesink->curl, CURLOPT_URL, tmp);
g_free (tmp);
if (res != CURLE_OK) {
basesink->error = g_strdup_printf ("failed to set URL: %s",
curl_easy_strerror (res));
return FALSE;
}
return TRUE;
}
static gboolean
set_file_options_unlocked (GstCurlBaseSink * basesink)
{
CURLcode res;
res = curl_easy_setopt (basesink->curl, CURLOPT_UPLOAD, 1L);
if (res != CURLE_OK) {
basesink->error = g_strdup_printf ("failed to prepare for upload: %s",
curl_easy_strerror (res));
return FALSE;
}
return TRUE;
}
static gboolean
gst_curl_file_sink_prepare_transfer (GstCurlBaseSink * basesink)
{
GstCurlFileSink *sink = GST_CURL_FILE_SINK (basesink);
if (sink->create_dirs) {
gchar *file_name;
gchar *last_slash;
gchar *url = g_strdup_printf ("%s%s", basesink->url, basesink->file_name);
file_name = g_filename_from_uri (url, NULL, NULL);
if (file_name == NULL) {
basesink->error = g_strdup_printf ("failed to parse file name '%s'", url);
g_free (url);
return FALSE;
}
g_free (url);
last_slash = strrchr (file_name, G_DIR_SEPARATOR);
if (last_slash != NULL) {
/* create dir if file name contains dir component */
gchar *dir_name = g_strndup (file_name, last_slash - file_name);
if (g_mkdir_with_parents (dir_name, S_IRWXU) < 0) {
basesink->error = g_strdup_printf ("failed to create directory '%s'",
dir_name);
g_free (file_name);
g_free (dir_name);
return FALSE;
}
g_free (dir_name);
}
g_free (file_name);
}
return TRUE;
}