curl: new curlfilesink element

https://bugzilla.gnome.org/show_bug.cgi?id=653741

4 files changed, 300 insertions, 2 deletions

diff --git a/ext/curl/Makefile.am b/ext/curl/Makefile.am
index 6a0a156cd..fb2fe2ede 100644
--- a/ext/curl/Makefile.am
+++ b/ext/curl/Makefile.am
@@ -3,7 +3,8 @@ plugin_LTLIBRARIES = libgstcurl.la
 libgstcurl_la_SOURCES = gstcurl.c \
 			gstcurlbasesink.c \
 			gstcurltlssink.c \
-			gstcurlhttpsink.c
+			gstcurlhttpsink.c \
+			gstcurlfilesink.c
 libgstcurl_la_CFLAGS = \
 	$(GST_PLUGINS_BAD_CFLAGS) \
 	$(GST_BASE_CFLAGS) \
@@ -19,4 +20,5 @@ libgstcurl_la_LIBTOOLFLAGS = --tag=disable-static
 
 noinst_HEADERS = gstcurlbasesink.h \
 		 gstcurltlssink.h \
-		 gstcurlhttpsink.h
+		 gstcurlhttpsink.h \
+		 gstcurlfilesink.h
diff --git a/ext/curl/gstcurl.c b/ext/curl/gstcurl.c
index c1dc8f48b..4bc96e9af 100644
--- a/ext/curl/gstcurl.c
+++ b/ext/curl/gstcurl.c
@@ -23,6 +23,7 @@
 #include "gstcurlbasesink.h"
 #include "gstcurltlssink.h"
 #include "gstcurlhttpsink.h"
+#include "gstcurlfilesink.h"
 
 static gboolean
 plugin_init (GstPlugin * plugin)
@@ -32,6 +33,10 @@ plugin_init (GstPlugin * plugin)
           GST_TYPE_CURL_HTTP_SINK))
     return FALSE;
 
+  if (!gst_element_register (plugin, "curlfilesink", GST_RANK_NONE,
+          GST_TYPE_CURL_FILE_SINK))
+    return FALSE;
+
   return TRUE;
 }
 
diff --git a/ext/curl/gstcurlfilesink.c b/ext/curl/gstcurlfilesink.c
new file mode 100644
index 000000000..287e507f4
--- /dev/null
+++ b/ext/curl/gstcurlfilesink.c
@@ -0,0 +1,233 @@
+/* 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * SECTION:element-curlfilesink
+ * @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 local or network drive.
+ *
+ * <refsect2>
+ * <title>Example launch line (upload a JPEG file to /home/test/images directory)</title>
+ * |[
+ * gst-launch filesrc location=image.jpg ! jpegparse ! curlfilesink  \
+ *     file-name=image.jpg  \
+ *     location=file:///home/test/images/
+ * ]|
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <curl/curl.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+#include <sys/stat.h>
+#include <fcntl.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);
+
+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_DEBUG_OBJECT (klass, "class_init");
+
+  gst_element_class_set_details_simple (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);
+
+  curl_easy_setopt (basesink->curl, CURLOPT_URL, tmp);
+
+  g_free (tmp);
+
+  return TRUE;
+}
+
+static gboolean
+set_file_options_unlocked (GstCurlBaseSink * basesink)
+{
+  curl_easy_setopt (basesink->curl, CURLOPT_UPLOAD, 1L);
+
+  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) {
+      GST_DEBUG_OBJECT (sink, "failed to parse file name of '%s'", url);
+      GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, ("failed to parse file name"),
+          (NULL));
+      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) {
+        GST_DEBUG_OBJECT (sink, "failed to create directory '%s'", dir_name);
+        GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
+            ("failed to create directory"), (NULL));
+        g_free (file_name);
+        g_free (dir_name);
+        return FALSE;
+      }
+      g_free (dir_name);
+    }
+    g_free (file_name);
+  }
+
+  return TRUE;
+}
diff --git a/ext/curl/gstcurlfilesink.h b/ext/curl/gstcurlfilesink.h
new file mode 100644
index 000000000..31c4bf360
--- /dev/null
+++ b/ext/curl/gstcurlfilesink.h
@@ -0,0 +1,58 @@
+/* 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_CURL_FILE_SINK__
+#define __GST_CURL_FILE_SINK__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+#include <curl/curl.h>
+#include "gstcurlbasesink.h"
+
+G_BEGIN_DECLS
+#define GST_TYPE_CURL_FILE_SINK \
+  (gst_curl_file_sink_get_type())
+#define GST_CURL_FILE_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_CURL_FILE_SINK, GstCurlFileSink))
+#define GST_CURL_FILE_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_CURL_FILE_SINK, GstCurlFileSinkClass))
+#define GST_IS_CURL_FILE_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_CURL_FILE_SINK))
+#define GST_IS_CURL_FILE_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_CURL_FILE_SINK))
+typedef struct _GstCurlFileSink GstCurlFileSink;
+typedef struct _GstCurlFileSinkClass GstCurlFileSinkClass;
+
+struct _GstCurlFileSink
+{
+  GstCurlBaseSink parent;
+
+  /*< private > */
+  gboolean create_dirs;
+};
+
+struct _GstCurlFileSinkClass
+{
+  GstCurlBaseSinkClass parent_class;
+};
+
+GType gst_curl_file_sink_get_type (void);
+
+G_END_DECLS
+#endif