1/* 2 $Id: cache.h,v 1.1 2009-02-02 11:55:01 franklahm Exp $ 3 Copyright (c) 2008,2009 Frank Lahm <franklahm@gmail.com> 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 */ 15 16#ifndef LDAPCACHE_H 17#define LDAPCACHE_H 18 19/* 20 * We need to cache all LDAP querie results, they just take too long. 21 * We do hashing with chaining. Two caches are needed: 22 * 1) name -> uuid, indexed by a hash(f(): hashstring) of the name 23 * 2) uuid -> name, indexed by a hash of the uuid(f(): hashuuid) 24 * Both hash funcs result in a value 0-255 with which we index a array. 25 * We malloc and free all elements as needed. 26 * The cache caches for CACHESECONDS. 27 */ 28 29#define CACHESECONDS 600 30 31/******************************************************** 32 * Interface 33 ********************************************************/ 34 35extern int search_cachebyname( const char *name, uuidtype_t *type, uuidp_t uuid); 36extern int add_cachebyname( const char *inname, const uuidp_t inuuid, const uuidtype_t type, const unsigned long uid); 37extern int search_cachebyuuid( uuidp_t uuidp, char **name, uuidtype_t *type); 38extern int add_cachebyuuid( uuidp_t inuuid, const char *inname, uuidtype_t type, const unsigned long uid); 39 40#endif /* LDAPCACHE_H */ 41