/*
 * Copyright (C) 2017-2018 Tobias Brunner
 * HSR Hochschule fuer Technik Rapperswil
 *
 * Copyright (C) 2012 Martin Willi
 * Copyright (C) 2012 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 eap_radius_accounting eap_radius_accounting
 * @{ @ingroup eap_radius
 */

#ifndef EAP_RADIUS_ACCOUNTING_H_
#define EAP_RADIUS_ACCOUNTING_H_

#include <bus/listeners/listener.h>

typedef struct eap_radius_accounting_t eap_radius_accounting_t;

/**
 * RADIUS accounting for IKE/IPsec.
 */
struct eap_radius_accounting_t {

	/**
	 * Implements listener_t.
	 */
	listener_t listener;

	/**
	 * Destroy a eap_radius_accounting_t.
	 */
	void (*destroy)(eap_radius_accounting_t *this);
};

/**
 * Create a eap_radius_accounting instance.
 */
eap_radius_accounting_t *eap_radius_accounting_create();

/**
 * Get the Accounting session ID for the given IKE_SA.
 *
 * @param ike_sa			IKE_SA for which to determine the session ID
 * @return					allocated session ID
 */
char *eap_radius_accounting_session_id(ike_sa_t *ike_sa);

/**
 * Schedule Accounting interim updates for the given IKE_SA.
 *
 * @param ike_sa			IKE_SA to send updates for
 * @param interval			interval for interim updates
 */
void eap_radius_accounting_start_interim(ike_sa_t *ike_sa, uint32_t interval);

/**
 * Add a Class attribute for the given IKE_SA.
 *
 * @param ike_sa			IKE_SA for which the attribute was received
 * @param cls				Class attribute value
 */
void eap_radius_accounting_add_class(ike_sa_t *ike_sa, chunk_t cls);

#endif /** EAP_RADIUS_ACCOUNTING_H_ @}*/