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/*
* Copyright (C) 2012 Giuliano Grassi
* Copyright (C) 2012 Ralf Sager
* 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 ipsec_event_relay ipsec_event_relay
* @{ @ingroup libipsec
*/
#ifndef IPSEC_EVENT_RELAY_H_
#define IPSEC_EVENT_RELAY_H_
#include "ipsec_event_listener.h"
#include <library.h>
typedef struct ipsec_event_relay_t ipsec_event_relay_t;
/**
* Event relay manager.
*
* Used to notify upper layers about changes
*/
struct ipsec_event_relay_t {
/**
* Raise an expire event.
*
* @param protocol protocol (e.g ESP) of the expired SA
* @param spi SPI of the expired SA
* @param dst destination address of expired SA
* @param hard TRUE for a hard expire, FALSE otherwise
*/
void (*expire)(ipsec_event_relay_t *this, u_int8_t protocol, u_int32_t spi,
host_t *dst, bool hard);
/**
* Register a listener to events raised by this manager
*
* @param listener the listener to register
*/
void (*register_listener)(ipsec_event_relay_t *this,
ipsec_event_listener_t *listener);
/**
* Unregister a listener
*
* @param listener the listener to unregister
*/
void (*unregister_listener)(ipsec_event_relay_t *this,
ipsec_event_listener_t *listener);
/**
* Destroy an ipsec_event_relay_t
*/
void (*destroy)(ipsec_event_relay_t *this);
};
/**
* Create an ipsec_event_relay_t instance
*
* @return IPsec event relay instance
*/
ipsec_event_relay_t *ipsec_event_relay_create();
#endif /** IPSEC_EVENT_RELAY_H_ @}*/
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