73 lines
1.8 KiB
PHP
73 lines
1.8 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Memcache;
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/**
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* See http://xcache.lighttpd.net/wiki/XcacheApi for provided constants and
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* functions etc.
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*/
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class XCache extends Cache {
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/**
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* entries in XCache gets namespaced to prevent collisions between ownCloud instances and users
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*/
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protected function getNameSpace() {
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return $this->prefix;
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}
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public function get($key) {
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return xcache_get($this->getNamespace().$key);
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}
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public function set($key, $value, $ttl=0) {
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if($ttl>0) {
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return xcache_set($this->getNamespace().$key, $value, $ttl);
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}else{
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return xcache_set($this->getNamespace().$key, $value);
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}
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}
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public function hasKey($key) {
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return xcache_isset($this->getNamespace().$key);
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}
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public function remove($key) {
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return xcache_unset($this->getNamespace().$key);
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}
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public function clear($prefix='') {
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if (function_exists('xcache_unset_by_prefix')) {
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return xcache_unset_by_prefix($this->getNamespace().$prefix);
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} else {
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// Since we can not clear by prefix, we just clear the whole cache.
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xcache_clear_cache(\XC_TYPE_VAR, 0);
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}
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return true;
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}
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static public function isAvailable(){
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if (!extension_loaded('xcache')) {
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return false;
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}
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if (\OC::$CLI) {
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return false;
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}
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if (!function_exists('xcache_unset_by_prefix') && ini_get('xcache.admin.enable_auth')) {
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// We do not want to use XCache if we can not clear it without
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// using the administration function xcache_clear_cache()
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// AND administration functions are password-protected.
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return false;
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}
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$var_size = (int) ini_get('xcache.var_size');
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if (!$var_size) {
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return false;
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}
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return true;
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}
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}
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