/* GIO - GLib Input, Output and Streaming Library
 *
 * Copyright © 2009 Codethink Limited
 *
 * This program 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 licence 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/>.
 *
 * Authors: Ryan Lortie <desrt@desrt.ca>
 */

#ifndef __G_SOCKET_CONTROL_MESSAGE_H__
#define __G_SOCKET_CONTROL_MESSAGE_H__

#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif

#include <gio/giotypes.h>

G_BEGIN_DECLS

#define G_TYPE_SOCKET_CONTROL_MESSAGE                       (g_socket_control_message_get_type ())
#define G_SOCKET_CONTROL_MESSAGE(inst)                      (G_TYPE_CHECK_INSTANCE_CAST ((inst),                     \
                                                             G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
                                                             GSocketControlMessage))
#define G_SOCKET_CONTROL_MESSAGE_CLASS(class)               (G_TYPE_CHECK_CLASS_CAST ((class),                       \
                                                             G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
                                                             GSocketControlMessageClass))
#define G_IS_SOCKET_CONTROL_MESSAGE(inst)                   (G_TYPE_CHECK_INSTANCE_TYPE ((inst),                     \
                                                             G_TYPE_SOCKET_CONTROL_MESSAGE))
#define G_IS_SOCKET_CONTROL_MESSAGE_CLASS(class)            (G_TYPE_CHECK_CLASS_TYPE ((class),                       \
                                                             G_TYPE_SOCKET_CONTROL_MESSAGE))
#define G_SOCKET_CONTROL_MESSAGE_GET_CLASS(inst)            (G_TYPE_INSTANCE_GET_CLASS ((inst),                      \
                                                             G_TYPE_SOCKET_CONTROL_MESSAGE,                          \
                                                             GSocketControlMessageClass))

typedef struct _GSocketControlMessagePrivate                GSocketControlMessagePrivate;
typedef struct _GSocketControlMessageClass                  GSocketControlMessageClass;

/**
 * GSocketControlMessageClass:
 * @get_size: gets the size of the message.
 * @get_level: gets the protocol of the message.
 * @get_type: gets the protocol specific type of the message.
 * @serialize: Writes out the message data.
 * @deserialize: Tries to deserialize a message.
 **/

struct _GSocketControlMessageClass
{
  GObjectClass parent_class;

  gsize                  (* get_size)  (GSocketControlMessage  *message);
  int                    (* get_level) (GSocketControlMessage  *message);
  int                    (* get_type)  (GSocketControlMessage  *message);
  void                   (* serialize) (GSocketControlMessage  *message,
					gpointer                data);
  GSocketControlMessage *(* deserialize) (int                   level,
					  int                   type,
					  gsize                 size,
					  gpointer              data);

  /*< private >*/

  /* Padding for future expansion */
  void (*_g_reserved1) (void);
  void (*_g_reserved2) (void);
  void (*_g_reserved3) (void);
  void (*_g_reserved4) (void);
  void (*_g_reserved5) (void);
};

struct _GSocketControlMessage
{
  GObject parent_instance;
  GSocketControlMessagePrivate *priv;
};

GLIB_AVAILABLE_IN_ALL
GType                  g_socket_control_message_get_type     (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_ALL
gsize                  g_socket_control_message_get_size     (GSocketControlMessage *message);
GLIB_AVAILABLE_IN_ALL
int                    g_socket_control_message_get_level    (GSocketControlMessage *message);
GLIB_AVAILABLE_IN_ALL
int                    g_socket_control_message_get_msg_type (GSocketControlMessage *message);
GLIB_AVAILABLE_IN_ALL
void                   g_socket_control_message_serialize    (GSocketControlMessage *message,
							      gpointer               data);
GLIB_AVAILABLE_IN_ALL
GSocketControlMessage *g_socket_control_message_deserialize  (int                    level,
							      int                    type,
							      gsize                  size,
							      gpointer               data);


G_END_DECLS

#endif /* __G_SOCKET_CONTROL_MESSAGE_H__ */