Created
March 29, 2011 16:01
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<?php | |
/********************************************************************************* | |
* SugarCRM is a customer relationship management program developed by | |
* SugarCRM, Inc. Copyright (C) 2004-2011 SugarCRM Inc. | |
* | |
* This program is free software; you can redistribute it and/or modify it under | |
* the terms of the GNU Affero General Public License version 3 as published by the | |
* Free Software Foundation with the addition of the following permission added | |
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK | |
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY | |
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. | |
* | |
* 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 or write to the Free | |
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
* 02110-1301 USA. | |
* | |
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road, | |
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com. | |
* | |
* The interactive user interfaces in modified source and object code versions | |
* of this program must display Appropriate Legal Notices, as required under | |
* Section 5 of the GNU Affero General Public License version 3. | |
* | |
* In accordance with Section 7(b) of the GNU Affero General Public License version 3, | |
* these Appropriate Legal Notices must retain the display of the "Powered by | |
* SugarCRM" logo. If the display of the logo is not reasonably feasible for | |
* technical reasons, the Appropriate Legal Notices must display the words | |
* "Powered by SugarCRM". | |
********************************************************************************/ | |
require_once('include/SugarCache/SugarCacheAbstract.php'); | |
/** | |
* Redis SugarCache backend, using the PHP Redis C library at http://github.com/owlient/phpredis | |
*/ | |
class SugarCacheRedis extends SugarCacheAbstract | |
{ | |
/** | |
* @var Redis server name string | |
*/ | |
protected $_host = 'localhost'; | |
/** | |
* @var Redis server port int | |
*/ | |
protected $_port = 6379; | |
/** | |
* @var Redis object | |
*/ | |
protected $_redis = null; | |
/** | |
* @see SugarCacheAbstract::$_priority | |
*/ | |
protected $_priority = 920; | |
/** | |
* @see SugarCacheAbstract::useBackend() | |
*/ | |
public function useBackend() | |
{ | |
if ( !parent::useBackend() ) | |
return false; | |
if ( extension_loaded("redis") | |
&& empty($GLOBALS['sugar_config']['external_cache_disabled_redis']) | |
&& $this->_getRedisObject() ) | |
return true; | |
return false; | |
} | |
/** | |
* @see SugarCacheAbstract::__construct() | |
*/ | |
public function __construct() | |
{ | |
parent::__construct(); | |
} | |
/** | |
* Get the memcache object; initialize if needed | |
*/ | |
protected function _getRedisObject() | |
{ | |
try { | |
if ( !($this->_redis instanceOf Redis) ) { | |
$this->_redis = new Redis(); | |
$this->_host = SugarConfig::getInstance()->get('external_cache.redis.host', $this->_host); | |
$this->_port = SugarConfig::getInstance()->get('external_cache.redis.port', $this->_port); | |
if ( !$this->_redis->connect($this->_host,$this->_port) ) { | |
return false; | |
} | |
} | |
} | |
catch (RedisException $e) | |
{ | |
return false; | |
} | |
return $this->_redis; | |
} | |
/** | |
* @see SugarCacheAbstract::_setExternal() | |
*/ | |
protected function _setExternal( | |
$key, | |
$value | |
) | |
{ | |
$value = serialize($value); | |
$key = $this->_fixKeyName($key); | |
$this->_getRedisObject()->set($key,$value); | |
$this->_getRedisObject()->expire($key, $this->expireTimeout); | |
} | |
/** | |
* @see SugarCacheAbstract::_getExternal() | |
*/ | |
protected function _getExternal( | |
$key | |
) | |
{ | |
$key = $this->_fixKeyName($key); | |
$returnValue = $this->_getRedisObject()->get($key); | |
// return null if we don't get a cache hit | |
if ( $returnValue === false ) { | |
return null; | |
} | |
return is_string($returnValue) ? | |
unserialize($returnValue) : | |
$returnValue; | |
} | |
/** | |
* @see SugarCacheAbstract::_clearExternal() | |
*/ | |
protected function _clearExternal( | |
$key | |
) | |
{ | |
$key = $this->_fixKeyName($key); | |
$this->_getRedisObject()->delete($key); | |
} | |
/** | |
* @see SugarCacheAbstract::_resetExternal() | |
*/ | |
protected function _resetExternal() | |
{ | |
$this->_getRedisObject()->flushAll(); | |
} | |
/** | |
* Fixed the key naming used so we don't have any spaces | |
* | |
* @param string $key | |
* @return string fixed key name | |
*/ | |
protected function _fixKeyName($key) | |
{ | |
return str_replace(' ','_',$key); | |
} | |
} |
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