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+/* Authors: Martin Nagy <mnagy@redhat.com>
+ *
+ * Copyright (C) 2009 Red Hat
+ * see file 'COPYING' for use and warranty information
+ *
+ * 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; version 2 only
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _LD_CACHE_H_
+#define _LD_CACHE_H_
+
+#include "ldap_helper.h"
+
+typedef struct ldap_cache ldap_cache_t;
+
+/*
+ * Create a new cache.
+ */
+isc_result_t
+new_ldap_cache(isc_mem_t *mctx, ldap_cache_t **cachep,
+ const char * const *argv);
+
+/*
+ * Free all resources used up by the cache.
+ */
+void
+destroy_ldap_cache(ldap_cache_t **cachep);
+
+
+/*
+ * If caching is enabled, lookup 'name' in 'cache'. If the record is found and
+ * is not expired, make a copy and return it. If the record is not found or is
+ * expired, look it up in LDAP and cache it.
+ */
+isc_result_t
+cached_ldap_rdatalist_get(isc_mem_t *mctx, ldap_cache_t *cache,
+ ldap_db_t *ldap_db, dns_name_t *name,
+ ldapdb_rdatalist_t *rdatalist);
+
+/*
+ * Discard 'name' from the cache. If caching is not really turned on or 'name'
+ * is not cached, this function will still return ISC_R_SUCCESS.
+ */
+isc_result_t
+discard_from_cache(ldap_cache_t *cache, dns_name_t *name);
+
+#endif /* !_LD_CACHE_H_ */