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/*
Copyright 2014-present Facebook. All Rights Reserved
This file is part of GlusterFS.
Author :
Shreyas Siravara <shreyas.siravara@gmail.com>
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _AUTH_CACHE_H_
#define _AUTH_CACHE_H_
#include "nfs-mem-types.h"
#include "mount3.h"
#include "exports.h"
#include "dict.h"
#include "nfs3.h"
struct auth_cache {
gf_lock_t lock; /* locking for the dict (and entries) */
dict_t *cache_dict; /* Dict holding fh -> authcache_entry */
time_t ttl_sec; /* TTL of the auth cache in seconds */
};
typedef enum {
AUTH_CACHE_HOST_ENOENT = -1, /* Host not found in cache */
AUTH_CACHE_HOST_EACCES = -2, /* Host explicitly de-authed */
AUTH_CACHE_HOST_AUTH_OK = 0, /* Host is fully authed */
} auth_cache_status_t;
/* Initializes the cache */
struct auth_cache *
auth_cache_init (time_t ttl_sec);
/* Inserts FH into cache */
int
cache_nfs_fh (struct auth_cache *cache, struct nfs3_fh *fh,
const char *host_addr, struct export_item *export_item,
auth_cache_status_t status);
/* Inserts path into cache */
int
cache_nfs_path (struct auth_cache *cache, const char *path,
const char *host_addr, struct export_item *export_item,
auth_cache_status_t status);
/* Checks if the filehandle cached & writable */
auth_cache_status_t
auth_cache_allows_write_to_fh (struct auth_cache *cache, struct nfs3_fh *fh,
const char *host_addr);
/* Checks if the filehandle is cached */
auth_cache_status_t
auth_cache_allows_fh (struct auth_cache *cache, struct nfs3_fh *fh,
const char *host_addr);
/* Checks if the path is cached */
auth_cache_status_t
auth_cache_allows_path (struct auth_cache *cache, const char *path,
const char *host_addr);
/* Purge the cache */
void
auth_cache_purge (struct auth_cache *cache);
#endif /* _AUTH_CACHE_H_ */
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