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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 ha_cache ha_cache
* @{ @ingroup ha
*/
#ifndef HA_CACHE_H_
#define HA_CACHE_H_
typedef struct ha_cache_t ha_cache_t;
#include "ha_message.h"
#include "ha_kernel.h"
#include "ha_socket.h"
#include <collections/enumerator.h>
#include <sa/ike_sa.h>
/**
* HA message caching facility, allows reintegration of new nodes.
*/
struct ha_cache_t {
/**
* Cache an IKE specific message.
*
* @param ike_sa associated IKE_SA
* @param message message to cache
*/
void (*cache)(ha_cache_t *this, ike_sa_t *ike_sa, ha_message_t *message);
/**
* Delete a cache entry for an IKE_SA.
*
* @param ike_sa cache entry to delete
*/
void (*delete)(ha_cache_t *this, ike_sa_t *ike_sa);
/**
* Resync a segment to the node using the cached messages.
*
* @param segment segment to resync
*/
void (*resync)(ha_cache_t *this, u_int segment);
/**
* Destroy a ha_cache_t.
*/
void (*destroy)(ha_cache_t *this);
};
/**
* Create a ha_cache instance.
*
* @param kernel kernel helper
* @param socket socket to send resync messages
* @param tunnel HA tunnel
* @param resync request a resync during startup?
* @param count total number of segments
*/
ha_cache_t *ha_cache_create(ha_kernel_t *kernel, ha_socket_t *socket,
ha_tunnel_t *tunnel, bool resync, u_int count);
#endif /** HA_CACHE_H_ @}*/
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