cache_content_policy.h

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/*
 *
 *
 * Copyright CEA/DAM/DIF  (2008)
 * contributeur : Philippe DENIEL   philippe.deniel@cea.fr
 *                Thomas LEIBOVICI  thomas.leibovici@cea.fr
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * 
 * 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * ---------------------------------------
 */

#ifndef _CACHE_CONTENT_POLICY_H
#define _CACHE_CONTENT_POLICY_H

#include <unistd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <time.h>
#include <pthread.h>

#include "LRU_List.h"
#include "HashData.h"
#include "HashTable.h"
#include "fsal.h"
#include "cache_inode.h"
#include "cache_content.h"

typedef enum cache_content_caching_type__
{ CACHE_CONTENT_NO_POLICY = 0,
  CACHE_CONTENT_NOT_CACHED = 1,
  CACHE_CONTENT_FULLY_CACHED = 2
} cache_content_caching_type_t;

typedef struct cache_content_policy_data__
{
  unsigned int UseMaxCacheSize;
  uint64_t MaxCacheSize;
} cache_content_policy_data_t;

cache_content_caching_type_t cache_content_cache_behaviour(cache_entry_t * pentry_inode,
                                                           cache_content_policy_data_t *
                                                           ppolicy_data,
                                                           cache_content_client_t *
                                                           pclient,
                                                           cache_content_status_t *
                                                           pstatus);

#endif                          /* _CACHE_CONTENT_POLICY_H */