Current File : /var/www/crm/include/SugarCache/SugarCacheMemcache.php
<?php
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2012 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');
class SugarCacheMemcache extends SugarCacheAbstract
{
/**
* @var Memcache server name string
*/
protected $_host = '127.0.0.1';
/**
* @var Memcache server port int
*/
protected $_port = 11211;
/**
* @var Memcache object
*/
protected $_memcache = '';
/**
* @see SugarCacheAbstract::$_priority
*/
protected $_priority = 900;
/**
* Minimal data size to be compressed
* @var int
*/
protected $min_compress = 512;
/**
* @see SugarCacheAbstract::useBackend()
*/
public function useBackend()
{
if ( extension_loaded('memcache')
&& empty($GLOBALS['sugar_config']['external_cache_disabled_memcache'])
&& $this->_getMemcacheObject() )
return true;
return false;
}
/**
* @see SugarCacheAbstract::__construct()
*/
public function __construct()
{
parent::__construct();
}
/**
* Get the memcache object; initialize if needed
*/
protected function _getMemcacheObject()
{
if ( !($this->_memcache instanceOf Memcache) ) {
$this->_memcache = new Memcache();
$config = SugarConfig::getInstance();
$this->_host = $config->get('external_cache.memcache.host', $this->_host);
$this->_port = $config->get('external_cache.memcache.port', $this->_port);
if ( !@$this->_memcache->connect($this->_host,$this->_port) ) {
return false;
}
if($config->get('external_cache.memcache.disable_compression', false)) {
$this->_memcache->setCompressThreshold($config->get('external_cache.memcache.min_compression', $this->min_compress));
} else {
$this->_memcache->setCompressThreshold(0);
}
}
return $this->_memcache;
}
/**
* @see SugarCacheAbstract::_setExternal()
*/
protected function _setExternal(
$key,
$value
)
{
$this->_getMemcacheObject()->set($key, $value, 0, $this->_expireTimeout);
}
/**
* @see SugarCacheAbstract::_getExternal()
*/
protected function _getExternal(
$key
)
{
$returnValue = $this->_getMemcacheObject()->get($key);
if ( $returnValue === false ) {
return null;
}
return $returnValue;
}
/**
* @see SugarCacheAbstract::_clearExternal()
*/
protected function _clearExternal(
$key
)
{
$this->_getMemcacheObject()->delete($key);
}
/**
* @see SugarCacheAbstract::_resetExternal()
*/
protected function _resetExternal()
{
$this->_getMemcacheObject()->flush();
}
}
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