Файл: system/core/cachememcached.php
Строк: 74
<?php
class cmsCacheMemcached {
private $memcached;
private $site_namespace;
private $config;
public function __construct($config) {
$this->config = $config;
$this->site_namespace = 'instantcms.'.sprintf('%u', crc32($config->host));
}
public function set($key, $value, $ttl){
return $this->memcached->set($this->getKey($key), serialize($value), $ttl);
}
public function has($key){
return true;
}
public function get($key){
$value = $this->memcached->get($this->getKey($key));
if (!$value) { return false; }
return unserialize($value);
}
public function clean($ns = false){
if ($ns){
return $this->memcached->increment($this->getNamespaceKey($ns));
} else {
return $this->memcached->flush();
}
}
public function start(){
$this->memcached = new Memcached();
$this->memcached->addServer($this->config->cache_host, $this->config->cache_port) or die('Memcached connect error');
return true;
}
public function stop(){
$this->memcached->quit();
return true;
}
public function getStats(){
return $this->memcached->getStats();
}
private function getKey($_key){
$key_path = explode('.', $_key);
$key = array_pop($key_path);
$ns = implode('.', $key_path);
return implode('.', array($this->site_namespace, $this->getNamespaceValue($ns), $ns, $key));
}
private function getNamespaceValue($ns){
$ns_value = $this->memcached->get($this->getNamespaceKey($ns));
if($ns_value === false) {
$ns_value = time();
$this->memcached->set($this->getNamespaceKey($ns), $ns_value, 86400);
}
return $ns_value;
}
private function getNamespaceKey($ns) {
return $this->site_namespace.'.namespace:'.$ns;
}
}