76 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			76 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
|   | <?php | ||
|  | /**  | ||
|  |  * StatusNet, the distributed open-source microblogging tool | ||
|  |  * | ||
|  |  * Cache the LDAP schema in memcache to improve performance | ||
|  |  * | ||
|  |  * PHP version 5 | ||
|  |  * | ||
|  |  * LICENCE: This program is free software: you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU Affero General Public License as published by | ||
|  |  * the Free Software Foundation, either version 3 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * 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 Affero General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU Affero General Public License | ||
|  |  * along with this program.  If not, see <http://www.gnu.org/licenses/>. | ||
|  |  * | ||
|  |  * @category  Plugin | ||
|  |  * @package   StatusNet | ||
|  |  * @author    Craig Andrews <candrews@integralblue.com> | ||
|  |  * @copyright 2009 Craig Andrews http://candrews.integralblue.com | ||
|  |  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 | ||
|  |  * @link      http://status.net/ | ||
|  |  */ | ||
|  | class MemcacheSchemaCache implements Net_LDAP2_SchemaCache | ||
|  | { | ||
|  |     protected $c; | ||
|  |     protected $cacheKey; | ||
|  | 
 | ||
|  |     /** | ||
|  |     * Initialize the simple cache | ||
|  |     * | ||
|  |     * Config is as following: | ||
|  |     *  memcache     memcache instance | ||
|  |     *  cachekey  the key in the cache to look at | ||
|  |     * | ||
|  |     * @param array $cfg Config array | ||
|  |     */ | ||
|  |     public function MemcacheSchemaCache($cfg) | ||
|  |     { | ||
|  |         $this->c = $cfg['c']; | ||
|  |         $this->cacheKey = $cfg['cacheKey']; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |     * Return the schema object from the cache | ||
|  |     * | ||
|  |     * @return Net_LDAP2_Schema|Net_LDAP2_Error|false | ||
|  |     */ | ||
|  |     public function loadSchema() | ||
|  |     { | ||
|  |          return $this->c->get($this->cacheKey); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |     * Store a schema object in the cache | ||
|  |     * | ||
|  |     * This method will be called, if Net_LDAP2 has fetched a fresh | ||
|  |     * schema object from LDAP and wants to init or refresh the cache. | ||
|  |     * | ||
|  |     * To invalidate the cache and cause Net_LDAP2 to refresh the cache, | ||
|  |     * you can call this method with null or false as value. | ||
|  |     * The next call to $ldap->schema() will then refresh the caches object. | ||
|  |     * | ||
|  |     * @param mixed $schema The object that should be cached | ||
|  |     * @return true|Net_LDAP2_Error|false | ||
|  |     */ | ||
|  |     public function storeSchema($schema) { | ||
|  |         return $this->c->set($this->cacheKey, $schema); | ||
|  |     } | ||
|  | } |