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/*
* Copyright (C) 2005-2009 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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.
*/
/**
* @defgroup configuration_attribute configuration_attribute
* @{ @ingroup payloads
*/
#ifndef CONFIGURATION_ATTRIBUTE_H_
#define CONFIGURATION_ATTRIBUTE_H_
typedef struct configuration_attribute_t configuration_attribute_t;
#include <library.h>
#include <attributes/attributes.h>
#include <encoding/payloads/payload.h>
/**
* Class representing an IKEv2 configuration attribute / IKEv1 data attribute.
*/
struct configuration_attribute_t {
/**
* Implements payload_t interface.
*/
payload_t payload_interface;
/**
* Get the type of the attribute.
*
* @return type of the configuration attribute
*/
configuration_attribute_type_t (*get_type)(configuration_attribute_t *this);
/**
* Returns the value of the attribute as chunk.
*
* @return chunk_t pointing to the internal value
*/
chunk_t (*get_chunk) (configuration_attribute_t *this);
/**
* Returns the 2 byte value of the attribute as u_int16.
*
* @return attribute value
*/
u_int16_t (*get_value) (configuration_attribute_t *this);
/**
* Destroys an configuration_attribute_t object.
*/
void (*destroy) (configuration_attribute_t *this);
};
/**
* Creates an empty configuration attribute.
*
* @param type PLV2_CONFIGURATION_ATTRIBUTE or PLV1_CONFIGURATION_ATTRIBUTE
* @return created configuration attribute
*/
configuration_attribute_t *configuration_attribute_create(payload_type_t type);
/**
* Creates a configuration attribute with type and value.
*
* @param type PLV2_CONFIGURATION_ATTRIBUTE or PLV1_CONFIGURATION_ATTRIBUTE
* @param attr_type type of configuration attribute
* @param chunk attribute value, gets cloned
* @return created configuration attribute
*/
configuration_attribute_t *configuration_attribute_create_chunk(
payload_type_t type, configuration_attribute_type_t attr_type, chunk_t chunk);
/**
* Creates a IKEv1 configuration attribute with 2 bytes value (IKEv1 only).
*
* @param attr_type type of configuration attribute
* @param value attribute value, gets cloned
* @return created PLV1_CONFIGURATION_ATTRIBUTE configuration attribute
*/
configuration_attribute_t *configuration_attribute_create_value(
configuration_attribute_type_t attr_type, u_int16_t value);
#endif /** CONFIGURATION_ATTRIBUTE_H_ @}*/
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