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/*
* Copyright (c) 2014
* Canonical, Ltd. (All rights reserved)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, contact Novell, Inc. or Canonical
* Ltd.
*/
#ifndef __AA_POLICY_CACHE_H
#define __AA_POLICY_CACHE_H
extern struct timespec cache_tstamp, mru_policy_tstamp;
/* returns true if time is more recent than mru_tstamp */
#define tstamp_cmp(a, b) \
(((a).tv_sec == (b).tv_sec) ? \
((a).tv_nsec - (b).tv_nsec) : \
((a).tv_sec - (b).tv_sec))
#define tstamp_is_null(a) ((a).tv_sec == 0 && (a).tv_nsec == 0)
extern int show_cache;
extern int skip_cache;
extern int skip_read_cache;
extern int write_cache;
extern int cond_clear_cache; /* only applies if write is set */
extern int force_clear_cache; /* force clearing regargless of state */
extern int create_cache_dir; /* create the cache dir if missing? */
extern int mru_skip_cache;
void set_cache_tstamp(struct timespec t);
void update_mru_tstamp(FILE *file, const char *path);
bool valid_cached_file_version(const char *cachename);
char *cache_filename(aa_policy_cache *pc, int dir, const char *basename);
void valid_read_cache(const char *cachename);
int cache_hit(const char *cachename);
int setup_cache_tmp(const char **cachetmpname, const char *cachename);
void install_cache(const char *cachetmpname, const char *cachename);
#endif /* __AA_POLICY_CACHE_H */
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