/** @file
 *
 * Module to dynamically load libdbus and load all symbols
 * which are needed by VirtualBox.
 */

/*
 * Copyright (C) 2008 Sun Microsystems, Inc.
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 USA or visit http://www.sun.com if you need
 * additional information or have any questions.
 */

#ifndef ____H_VBOX_DBUS
#define ____H_VBOX_DBUS

#include <stdint.h>

#define VBOX_DBUS_1_3_LIB "libdbus-1.so.3"

/** Types and defines from the dbus header files which we need.  These are
 * taken more or less verbatim from the DBus public interface header files. */
struct DBusError
{
    const char *name;
    const char *message;
    unsigned int dummy1 : 1;
    unsigned int dummy2 : 1;
    unsigned int dummy3 : 1;
    unsigned int dummy4 : 1;
    unsigned int dummy5 : 1;
    void *padding1;
};
struct DBusConnection;
typedef struct DBusConnection DBusConnection;
typedef uint32_t dbus_bool_t;
typedef uint32_t dbus_uint32_t;
typedef enum { DBUS_BUS_SESSON, DBUS_BUS_SYSTEM, DBUS_BUS_STARTER } DBusBusType;
struct DBusMessage;
typedef struct DBusMessage DBusMessage;
struct DBusMessageIter
{ 
    void *dummy1;
    void *dummy2;
    dbus_uint32_t dummy3;
    int dummy4;
    int dummy5;
    int dummy6;
    int dummy7;
    int dummy8;
    int dummy9;
    int dummy10;
    int dummy11;
    int pad1;
    int pad2;
    void *pad3;
};
typedef struct DBusMessageIter DBusMessageIter;

#define DBUS_ERROR_NO_MEMORY                  "org.freedesktop.DBus.Error.NoMemory"
#define DBUS_TYPE_INVALID       ((int) '\0')
#define DBUS_TYPE_STRING        ((int) 's')
#define DBUS_TYPE_ARRAY         ((int) 'a')
#define DBUS_TYPE_DICT_ENTRY    ((int) 'e')

typedef enum
{
  DBUS_HANDLER_RESULT_HANDLED,
  DBUS_HANDLER_RESULT_NOT_YET_HANDLED,
  DBUS_HANDLER_RESULT_NEED_MEMORY
} DBusHandlerResult;

typedef DBusHandlerResult (*DBusHandleMessageFunction) (DBusConnection *,
                                                        DBusMessage *, void *);
typedef void (*DBusFreeFunction) (void *);

/* Declarations of the functions that we need from libdbus-1 */
#define VBOX_PROXY_STUB(function, rettype, signature, shortsig) \
extern rettype ( function ) signature ;

#include "vbox-dbus-internal.h"

#undef VBOX_PROXY_STUB

/**
 * Try to dynamically load the DBus library.  This function should be called
 * before attempting to use any of the DBus functions.  It is safe to call this
 * function multiple times.
 *
 * @returns iprt status code
 */
extern int VBoxLoadDBusLib(void);

#endif /* ____H_VBOX_DBUS not defined */
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