File: gvfschannel.h

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/* GIO - GLib Input, Output and Streaming Library
 * 
 * Copyright (C) 2006-2007 Red Hat, 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 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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Author: Alexander Larsson <alexl@redhat.com>
 */

#ifndef __G_VFS_CHANNEL_H__
#define __G_VFS_CHANNEL_H__

#include <glib-object.h>
#include <gvfsjob.h>
#include <gvfsbackend.h>
#include <gvfsdaemonprotocol.h>

G_BEGIN_DECLS

#define G_VFS_TYPE_CHANNEL         (g_vfs_channel_get_type ())
#define G_VFS_CHANNEL(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_VFS_TYPE_CHANNEL, GVfsChannel))
#define G_VFS_CHANNEL_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_VFS_TYPE_CHANNEL, GVfsChannelClass))
#define G_VFS_IS_CHANNEL(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_VFS_TYPE_CHANNEL))
#define G_VFS_IS_CHANNEL_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_VFS_TYPE_CHANNEL))
#define G_VFS_CHANNEL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_VFS_TYPE_CHANNEL, GVfsChannelClass))

typedef struct _GVfsChannel        GVfsChannel;
typedef struct _GVfsChannelClass   GVfsChannelClass;
typedef struct _GVfsChannelPrivate GVfsChannelPrivate;

struct _GVfsChannel
{
  GObject parent_instance;

  GVfsChannelPrivate *priv;
};

struct _GVfsChannelClass
{
  GObjectClass parent_class;

  GVfsJob *(*close)          (GVfsChannel *channel);
  GVfsJob *(*handle_request) (GVfsChannel *channel,
			      guint32 command,
			      guint32 seq_nr,
			      guint32 arg1,
			      guint32 arg2,
			      gpointer data,
			      gsize data_len,
			      GError **error);
  GVfsJob *(*readahead)      (GVfsChannel *channel,
			      GVfsJob *job);
};

GType g_vfs_channel_get_type (void) G_GNUC_CONST;

int               g_vfs_channel_steal_remote_fd    (GVfsChannel                   *channel);
GVfsBackend    *  g_vfs_channel_get_backend        (GVfsChannel                   *channel);
GVfsBackendHandle g_vfs_channel_get_backend_handle (GVfsChannel                   *channel);
void              g_vfs_channel_set_backend_handle (GVfsChannel                   *channel,
						    GVfsBackendHandle              backend_handle);
gboolean          g_vfs_channel_has_job            (GVfsChannel                   *channel);
GVfsJob *         g_vfs_channel_get_job            (GVfsChannel                   *channel);
void              g_vfs_channel_send_error         (GVfsChannel                   *channel,
						    GError                        *error);
void              g_vfs_channel_send_info          (GVfsChannel                   *channel,
						    GFileInfo                     *info);
void              g_vfs_channel_send_reply         (GVfsChannel                   *channel,
						    GVfsDaemonSocketProtocolReply *reply,
						    const void                    *data,
						    gsize                          data_len);
void              g_vfs_channel_send_reply_take    (GVfsChannel                   *channel,
                                                    GVfsDaemonSocketProtocolReply *reply,
                                                    void                          *data,
                                                    gsize                          data_len);
guint32           g_vfs_channel_get_current_seq_nr (GVfsChannel                   *channel);
GPid              g_vfs_channel_get_actual_consumer (GVfsChannel                  *channel);
void              g_vfs_channel_force_close        (GVfsChannel                   *channel);
/* TODO: i/o priority? */

G_END_DECLS

#endif /* __G_VFS_CHANNEL_H__ */