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strongswan-ext/Source/charon/payloads/transform_substructure.h
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/**
* @file transform_substructure.h
*
* @brief Declaration of the class transform_substructure_t.
*
* An object of this type represents an IKEv2 TRANSFORM Substructure and contains Attributes.
*
*/
/*
* 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_SUBSTRUCTURE_H_
#define TRANSFORM_SUBSTRUCTURE_H_
#include "../types.h"
#include "payload.h"
#include "../utils/linked_list.h"
#include "transform_attribute.h"
/**
* Object representing an IKEv2- TRANSFORM SUBSTRUCTURE
*
* The TRANSFORM SUBSTRUCTURE format is described in RFC section 3.3.2.
*
*/
typedef struct transform_substructure_s transform_substructure_t;
struct transform_substructure_s {
/**
* implements payload_t interface
*/
payload_t payload_interface;
/**
* @brief Creates an iterator of stored transform_attribute_t objects.
*
* @warning The created iterator has to get destroyed by the caller!
*
* @param this calling transform_substructure_t object
* @param iterator the created iterator is stored at the pointed pointer
* @param[in] forward iterator direction (TRUE: front to end)
* @return
* - SUCCESS or
* - OUT_OF_RES if iterator could not be created
*/
status_t (*create_transform_attribute_iterator) (transform_substructure_t *this,linked_list_iterator_t **iterator, bool forward);
/**
* @brief Adds a transform_attribute_t object to this object.
*
* @warning The added proposal_substructure_t object is
* getting destroyed in destroy function of transform_substructure_t.
*
* @param this calling transform_substructure_t object
* @param proposal transform_attribute_t object to add
* @return - SUCCESS if succeeded
* - FAILED otherwise
*/
status_t (*add_transform_attribute) (transform_substructure_t *this,transform_attribute_t *attribute);
/**
* @brief Destroys an transform_substructure_t object.
*
* @param this transform_substructure_t object to destroy
* @return
* SUCCESS in any case
*/
status_t (*destroy) (transform_substructure_t *this);
};
/**
* @brief Creates an empty transform_substructure_t object
*
* @return
* - created transform_substructure_t object, or
* - NULL if failed
*/
transform_substructure_t *transform_substructure_create();
#endif /*TRANSFORM_SUBSTRUCTURE_H_*/