3 +--------------------------------------------------------------------+
4 | CiviCRM version 4.5 |
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2014 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
10 | CiviCRM is free software; you can copy, modify, and distribute it |
11 | under the terms of the GNU Affero General Public License |
12 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
14 | CiviCRM is distributed in the hope that it will be useful, but |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
17 | See the GNU Affero General Public License for more details. |
19 | You should have received a copy of the GNU Affero General Public |
20 | License and the CiviCRM Licensing Exception along |
21 | with this program; if not, contact CiviCRM LLC |
22 | at info[AT]civicrm[DOT]org. If you have questions about the |
23 | GNU Affero General Public License or the licensing of CiviCRM, |
24 | see the CiviCRM license FAQ at http://civicrm.org/licensing |
25 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2014
35 class CRM_Utils_Cache_Memcache
{
36 const DEFAULT_HOST
= 'localhost';
37 const DEFAULT_PORT
= 11211;
38 const DEFAULT_TIMEOUT
= 3600;
39 const DEFAULT_PREFIX
= '';
42 * The host name of the memcached server
46 protected $_host = self
::DEFAULT_HOST
;
49 * The port on which to connect on
53 protected $_port = self
::DEFAULT_PORT
;
56 * The default timeout to use
60 protected $_timeout = self
::DEFAULT_TIMEOUT
;
63 * The prefix prepended to cache keys.
65 * If we are using the same memcache instance for multiple CiviCRM
66 * installs, we must have a unique prefix for each install to prevent
67 * the keys from clobbering each other.
71 protected $_prefix = self
::DEFAULT_PREFIX
;
74 * The actual memcache object
83 * @param array $config an array of configuration params
87 function __construct($config) {
88 if (isset($config['host'])) {
89 $this->_host
= $config['host'];
91 if (isset($config['port'])) {
92 $this->_port
= $config['port'];
94 if (isset($config['timeout'])) {
95 $this->_timeout
= $config['timeout'];
97 if (isset($config['prefix'])) {
98 $this->_prefix
= $config['prefix'];
101 $this->_cache
= new Memcache();
103 if (!$this->_cache
->connect($this->_host
, $this->_port
)) {
104 // dont use fatal here since we can go in an infinite loop
105 echo 'Could not connect to Memcached server';
106 CRM_Utils_System
::civiExit();
110 function set($key, &$value) {
111 if (!$this->_cache
->set($this->_prefix
. $key, $value, FALSE, $this->_timeout
)) {
117 function &get($key) {
118 $result = $this->_cache
->get($this->_prefix
. $key);
122 function delete($key) {
123 return $this->_cache
->delete($this->_prefix
. $key);
127 return $this->_cache
->flush();