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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright (C) 2008 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
* Author: Tor Lillqvist <tml@novell.com>
*/
#include "config.h"
#include <glib.h>
#include "gio/gcancellable.h"
#include "gio/gioerror.h"
#include "gwinhttpfileinputstream.h"
#include "glibintl.h"
struct _GWinHttpFileInputStream
{
GFileInputStream parent_instance;
GWinHttpFile *file;
gboolean request_sent;
HINTERNET connection;
HINTERNET request;
};
struct _GWinHttpFileInputStreamClass
{
GFileInputStreamClass parent_class;
};
#define g_winhttp_file_input_stream_get_type _g_winhttp_file_input_stream_get_type
G_DEFINE_TYPE (GWinHttpFileInputStream, g_winhttp_file_input_stream, G_TYPE_FILE_INPUT_STREAM)
static gssize g_winhttp_file_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
static gboolean g_winhttp_file_input_stream_close (GInputStream *stream,
GCancellable *cancellable,
GError **error);
static void
g_winhttp_file_input_stream_finalize (GObject *object)
{
GWinHttpFileInputStream *winhttp_stream;
winhttp_stream = G_WINHTTP_FILE_INPUT_STREAM (object);
if (winhttp_stream->request != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->request);
if (winhttp_stream->connection != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->connection);
g_object_unref (winhttp_stream->file);
winhttp_stream->file = NULL;
G_OBJECT_CLASS (g_winhttp_file_input_stream_parent_class)->finalize (object);
}
static void
g_winhttp_file_input_stream_class_init (GWinHttpFileInputStreamClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GInputStreamClass *stream_class = G_INPUT_STREAM_CLASS (klass);
gobject_class->finalize = g_winhttp_file_input_stream_finalize;
stream_class->read_fn = g_winhttp_file_input_stream_read;
stream_class->close_fn = g_winhttp_file_input_stream_close;
}
static void
g_winhttp_file_input_stream_init (GWinHttpFileInputStream *info)
{
}
/*
* g_winhttp_file_input_stream_new:
* @file: the GWinHttpFile being read
* @connection: handle to the HTTP connection, as from WinHttpConnect()
* @request: handle to the HTTP request, as from WinHttpOpenRequest
*
* Returns: #GFileInputStream for the given request
*/
GFileInputStream *
_g_winhttp_file_input_stream_new (GWinHttpFile *file,
HINTERNET connection,
HINTERNET request)
{
GWinHttpFileInputStream *stream;
stream = g_object_new (G_TYPE_WINHTTP_FILE_INPUT_STREAM, NULL);
stream->file = g_object_ref (file);
stream->request_sent = FALSE;
stream->connection = connection;
stream->request = request;
return G_FILE_INPUT_STREAM (stream);
}
static gssize
g_winhttp_file_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error)
{
GWinHttpFileInputStream *winhttp_stream = G_WINHTTP_FILE_INPUT_STREAM (stream);
DWORD bytes_read;
if (!winhttp_stream->request_sent)
{
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpSendRequest
(winhttp_stream->request,
NULL, 0,
NULL, 0,
0,
0))
{
_g_winhttp_set_error (error, GetLastError (), "GET request");
return -1;
}
if (!_g_winhttp_response (winhttp_stream->file->vfs,
winhttp_stream->request,
error,
"GET request"))
return -1;
winhttp_stream->request_sent = TRUE;
}
if (!G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpReadData
(winhttp_stream->request, buffer, count, &bytes_read))
{
_g_winhttp_set_error (error, GetLastError (), "GET request");
return -1;
}
return bytes_read;
}
static gboolean
g_winhttp_file_input_stream_close (GInputStream *stream,
GCancellable *cancellable,
GError **error)
{
GWinHttpFileInputStream *winhttp_stream = G_WINHTTP_FILE_INPUT_STREAM (stream);
if (winhttp_stream->connection != NULL)
G_WINHTTP_VFS_GET_CLASS (winhttp_stream->file->vfs)->funcs->pWinHttpCloseHandle (winhttp_stream->connection);
winhttp_stream->connection = NULL;
return TRUE;
}
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