/**
 * @file transform_attribute.h
 * 
 * @brief Declaration of the class transform_attribute_t. 
 * 
 * An object of this type represents an IKEv2 TRANSFORM attribute.
 * 
 */

/*
 * Copyright (C) 2005 Jan Hutter, Martin Willi
 * Hochschule fuer Technik Rapperswil
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program 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 General Public License
 * for more details.
 */

#ifndef TRANSFORM_ATTRIBUTE_H_
#define TRANSFORM_ATTRIBUTE_H_

#include "../types.h"
#include "payload.h"

/**
 * Object representing an IKEv2- TRANSFORM Attribute
 * 
 * The TRANSFORM ATTRIBUTE format is described in RFC section 3.3.5.
 * 
 */
typedef struct transform_attribute_s transform_attribute_t;

struct transform_attribute_s {
	/**
	 * implements payload_t interface
	 */
	payload_t payload_interface;
	
	/**
	 * @brief Destroys an transform_attribute_t object.
	 *
	 * @param this 	transform_attribute_t object to destroy
	 * @return 		
	 * 				SUCCESS in any case
	 */
	status_t (*destroy) (transform_attribute_t *this);
};

/**
 * @brief Creates an empty transform_attribute_t object
 * 
 * @return			
 * 					- created transform_attribute_t object, or
 * 					- NULL if failed
 */
 
transform_attribute_t *transform_attribute_create();

#endif /*TRANSFORM_ATTRIBUTE_H_*/