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#18885380 add Cache Handler

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git-svn-id: http://xe-core.googlecode.com/svn/sandbox@7450 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ngleader 2010-05-12 08:34:23 +00:00
parent 8f5d4c70fe
commit f07cc09e4f
3 changed files with 255 additions and 0 deletions
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91
classes/cache/CacheMemcache.class.php vendored Normal file
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<?php
/**
* @class CacheMemcache
* @author sol (sol@nhn.com)
* @brief Memcache Handler
* @version 0.1
*
**/
class CacheMemcache extends CacheBase {
var $valid_time = 36000;
var $Memcache;
function getInstance($url){
if(!$GLOBALS['__CacheMemcache__']) {
$GLOBALS['__CacheMemcache__'] = new CacheMemcache($url);
}
return $GLOBALS['__CacheMemcache__'];
}
function CacheMemcache($url){
//$config['url'] = array('memcache://localhost:11211');
$config['url'] = is_array($url)?$url:array($url);
$this->Memcache = new Memcache;
foreach($config['url'] as $url) {
$info = parse_url($url);
$this->Memcache->addServer($info['host'], $info['port']);
}
}
function isSupport(){
return $this->Memcache->set('xe', 'xe', MEMCACHE_COMPRESSED, 1);
}
function getKey($key){
return md5(_XE_PATH_.$key);
}
function put($key, $buff, $valid_time = 0){
if($valid_time == 0) $valid_time = $this->valid_time;
return $this->Memcache->set($this->getKey($key), array(time(), $buff), MEMCACHE_COMPRESSED, $valid_time);
}
function isValid($key, $modified_time = 0) {
$_key = $this->getKey($key);
$obj = $this->Memcache->get($_key);
if(!$obj || !is_array($obj)) return false;
unset($obj[1]);
if($modified_time > 0 && $modified_time > $obj[0]) {
$this->_delete($_key);
return false;
}
return true;
}
function get($key, $modified_time = 0) {
$_key = $this->getKey($key);
$obj = $this->Memcache->get($_key);
if(!$obj || !is_array($obj)) return false;
if($modified_time > 0 && $modified_time > $obj[0]) {
$this->_delete($_key);
return false;
}
unset($obj[0]);
return $obj[1];
}
function delete($key) {
$_key = $this->getKey($key);
$this->_delete($_key);
}
function _delete($_key) {
$this->Memcache->delete($_key);
}
function truncate() {
// not support memcached
return false;
}
}
?>