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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* 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 dhcp_transaction dhcp_transaction
* @{ @ingroup dhcp
*/
#ifndef DHCP_TRANSACTION_H_
#define DHCP_TRANSACTION_H_
#include <networking/host.h>
#include <utils/identification.h>
#include <attributes/attributes.h>
typedef struct dhcp_transaction_t dhcp_transaction_t;
/**
* DHCP transaction class.
*/
struct dhcp_transaction_t {
/**
* Get the DCHP transaction ID.
*
* @return DHCP transaction identifier
*/
uint32_t (*get_id)(dhcp_transaction_t *this);
/**
* Get the peer identity this transaction is used for.
*
* @return peer Identity
*/
identification_t* (*get_identity)(dhcp_transaction_t *this);
/**
* Set the DHCP address received using this transaction.
*
* @param host received DHCP address
*/
void (*set_address)(dhcp_transaction_t *this, host_t *address);
/**
* Get the DHCP address received using this transaction.
*
* @return received DHCP address
*/
host_t* (*get_address)(dhcp_transaction_t *this);
/**
* Set the DCHP server address discovered.
*
* @param server DHCP server address
*/
void (*set_server)(dhcp_transaction_t *this, host_t *server);
/**
* Get the DHCP server address.
*
* @return DHCP server address
*/
host_t* (*get_server)(dhcp_transaction_t *this);
/**
* An an additional attribute to serve to peer.
*
* @param type type of attribute
* @param data attribute data
*/
void (*add_attribute)(dhcp_transaction_t *this,
configuration_attribute_type_t type, chunk_t data);
/**
* Create an enumerator over added attributes.
*
* @return enumerator over (configuration_attribute_t, chunk_t)
*/
enumerator_t* (*create_attribute_enumerator)(dhcp_transaction_t *this);
/**
* Destroy a dhcp_transaction_t.
*/
void (*destroy)(dhcp_transaction_t *this);
};
/**
* Create a dhcp_transaction instance.
*
* @param id DHCP transaction identifier
* @param identity peer identity this transaction is used for
* @return transaction instance
*/
dhcp_transaction_t *dhcp_transaction_create(uint32_t id,
identification_t *identity);
#endif /** DHCP_TRANSACTION_H_ @}*/
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