1 files changed, 52 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/auth-cache.h b/xlators/nfs/server/src/auth-cache.h
new file mode 100644
index 00000000000..4c9d09207f8
--- /dev/null
+++ b/xlators/nfs/server/src/auth-cache.h
@@ -0,0 +1,52 @@
+/*
+  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 "exports.h"
+#include <glusterfs/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 */
+};
+
+/* 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);
+
+/* Checks if the filehandle cached & writable */
+gf_boolean_t
+is_nfs_fh_cached_and_writeable(struct auth_cache *cache, struct nfs3_fh *fh,
+                               const char *host_addr);
+
+/* Checks if the filehandle is cached */
+gf_boolean_t
+is_nfs_fh_cached(struct auth_cache *cache, struct nfs3_fh *fh,
+                 const char *host_addr);
+
+/* Purge the cache */
+void
+auth_cache_purge(struct auth_cache *cache);
+
+#endif /* _AUTH_CACHE_H_ */