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strongswan-ext/src/charon/plugins/ha_sync/ha_sync_cache.h
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/*
* Copyright (C) 2008 Martin Willi
* 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.
*
* $Id$
*/
/**
* @defgroup ha_sync_cache ha_sync_cache
* @{ @ingroup ha_sync
*/
#ifndef HA_SYNC_CACHE_H_
#define HA_SYNC_CACHE_H_
#include <daemon.h>
typedef struct ha_sync_cache_t ha_sync_cache_t;
/**
* Locally cached HA state synced from other nodes.
*/
struct ha_sync_cache_t {
/**
* Get a synced and cached IKE_SA entry.
*
* If no cached IKE_SA with such an id exists, it gets created.
*
* @param id IKE_SA identifier of cached SA.
* @return cached IKE_SA
*/
ike_sa_t* (*get_ike_sa)(ha_sync_cache_t *this, ike_sa_id_t *id);
/**
* Check if an IKE_SA is in the cache.
*
* @param id IKE_SA identifier of cached SA.
* @return TRUE if IKE_SA found
*/
bool (*has_ike_sa)(ha_sync_cache_t *this, ike_sa_id_t *id);
/**
* Delete a synced and cached IKE_SA entry.
*
* @param id IKE_SA identifier of cached SA to delete.
*/
void (*delete_ike_sa)(ha_sync_cache_t *this, ike_sa_id_t *id);
/**
* Activate a set of IKE_SAs identified by a segment.
*
* Activating means do a takeover of SAs as the responsible node has failed.
* This involves moving all SAs to the daemons IKE_SA manager and handle
* them actively now.
*
* @param segment numerical segment to takeover
*/
void (*activate)(ha_sync_cache_t *this, u_int segment);
/**
* Deactivate a set of IKE_SAs identified by a segment.
*
* @param segment numerical segment to takeover
*/
void (*deactivate)(ha_sync_cache_t *this, u_int segment);
/**
* Destroy a ha_sync_cache_t.
*/
void (*destroy)(ha_sync_cache_t *this);
};
/**
* Create a ha_sync_cache instance.
*/
ha_sync_cache_t *ha_sync_cache_create();
#endif /* HA_SYNC_CACHE_ @}*/