/*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <archive.h>
#include <gio/gio.h>
#include "ostree-libarchive-input-stream.h"
enum {
PROP_0,
PROP_ARCHIVE
};
G_DEFINE_TYPE (OstreeLibarchiveInputStream, _ostree_libarchive_input_stream, G_TYPE_INPUT_STREAM)
struct _OstreeLibarchiveInputStreamPrivate {
struct archive *archive;
};
static void ostree_libarchive_input_stream_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void ostree_libarchive_input_stream_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static gssize ostree_libarchive_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
static gboolean ostree_libarchive_input_stream_close (GInputStream *stream,
GCancellable *cancellable,
GError **error);
static void
ostree_libarchive_input_stream_finalize (GObject *object)
{
G_OBJECT_CLASS (_ostree_libarchive_input_stream_parent_class)->finalize (object);
}
static void
_ostree_libarchive_input_stream_class_init (OstreeLibarchiveInputStreamClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GInputStreamClass *stream_class = G_INPUT_STREAM_CLASS (klass);
g_type_class_add_private (klass, sizeof (OstreeLibarchiveInputStreamPrivate));
gobject_class->get_property = ostree_libarchive_input_stream_get_property;
gobject_class->set_property = ostree_libarchive_input_stream_set_property;
gobject_class->finalize = ostree_libarchive_input_stream_finalize;
stream_class->read_fn = ostree_libarchive_input_stream_read;
stream_class->close_fn = ostree_libarchive_input_stream_close;
/**
* OstreeLibarchiveInputStream:archive:
*
* The archive that the stream reads from.
*/
g_object_class_install_property (gobject_class,
PROP_ARCHIVE,
g_param_spec_pointer ("archive",
"", "",
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
}
static void
ostree_libarchive_input_stream_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
OstreeLibarchiveInputStream *self;
self = OSTREE_LIBARCHIVE_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_ARCHIVE:
self->priv->archive = g_value_get_pointer (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
ostree_libarchive_input_stream_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
OstreeLibarchiveInputStream *self;
self = OSTREE_LIBARCHIVE_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_ARCHIVE:
g_value_set_pointer (value, self->priv->archive);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
_ostree_libarchive_input_stream_init (OstreeLibarchiveInputStream *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
OSTREE_TYPE_LIBARCHIVE_INPUT_STREAM,
OstreeLibarchiveInputStreamPrivate);
}
GInputStream *
_ostree_libarchive_input_stream_new (struct archive *a)
{
OstreeLibarchiveInputStream *stream;
stream = g_object_new (OSTREE_TYPE_LIBARCHIVE_INPUT_STREAM,
"archive", a,
NULL);
return G_INPUT_STREAM (stream);
}
static gssize
ostree_libarchive_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error)
{
OstreeLibarchiveInputStream *self;
gssize res = -1;
self = OSTREE_LIBARCHIVE_INPUT_STREAM (stream);
if (g_cancellable_set_error_if_cancelled (cancellable, error))
return -1;
res = archive_read_data (self->priv->archive, buffer, count);
if (res < 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"%s", archive_error_string (self->priv->archive));
}
return res;
}
static gboolean
ostree_libarchive_input_stream_close (GInputStream *stream,
GCancellable *cancellable,
GError **error)
{
return TRUE;
}