145 lines
3.5 KiB
PHP
145 lines
3.5 KiB
PHP
<?php
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/**
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* The cache library of zentaopms.
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*
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* @copyright Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
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* @license ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
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* @author Lu Fei <lufei@easycorp.ltd>
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* @package cache
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* @link https://www.zentao.net
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*/
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namespace ZenTao\Cache\Driver;
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use ZenTao\Cache\SimpleCache\CacheInterface;
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use ZenTao\Cache\SimpleCache\InvalidArgumentException;
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class ApcuDriver implements CacheInterface
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{
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/**
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* 缓存命名空间。
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* The cache namespace.
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*
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* @access private
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* @var string
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*/
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private $namespace;
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/**
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* 缓存默认生命周期。
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* The cache default lifetime.
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*
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* @access private
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* @var int
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*/
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private $defaultLifetime;
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/**
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* 缓存服务范围。private 独享|public 共享。
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* The cache scope.
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*
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* @access private
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* @var string
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*/
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private $scope;
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/**
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* 缓存键连接符。
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* Cache key connector.
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*
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* @access private
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* @var string
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*/
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private $connector;
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public function __construct($namespace = '', $defaultLifetime = 0, $scope = '', $connector = '')
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{
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$this->namespace = $namespace;
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$this->defaultLifetime = $defaultLifetime;
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$this->scope = $scope;
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$this->connector = $connector;
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}
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public function get($key, $default = null)
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{
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$value = apcu_fetch($key, $success);
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return $success === false ? $default : $value;
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}
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public function set($key, $value, $ttl = null)
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{
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$ttl = (int)($ttl ?: $this->defaultLifetime);
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return apcu_store($key, $value, $ttl);
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}
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public function delete($key)
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{
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return apcu_delete($key);
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}
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public function clear()
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{
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if($this->scope == 'private') return apcu_clear_cache();
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$keys = [];
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$info = apcu_cache_info();
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$cacheList = $info['cache_list'];
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foreach($cacheList as $cache)
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{
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if(strpos($cache['info'], $this->namespace . $this->connector) === 0) $keys[] = $cache['info'];
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}
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if(!$keys) return true;
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return $this->deleteMultiple($keys);
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}
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public function getMultiple($keys, $default = null)
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{
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$values = apcu_fetch($keys);
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if($values === false) return [];
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return $values;
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}
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public function setMultiple($values, $ttl = null)
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{
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$ttl = (int)($ttl ?: $this->defaultLifetime);
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$result = apcu_store($values, $ttl);
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return $result === true ? true : (is_array($result) && count($result) == 0 ? true : false);
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}
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public function deleteMultiple($keys)
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{
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$result = apcu_delete($keys);
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return count($result) === count($keys) ? false : true;
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}
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public function has($key)
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{
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return (bool) apcu_exists($key);
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}
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/**
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* 获取内存使用情况。
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* Get memory usage.
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*
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* @param string $type
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* @return string
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*/
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public function memory($type)
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{
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$info = apcu_sma_info(true);
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if($type == 'total') return \helper::formatKB($info['seg_size']);
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if($type == 'free') return \helper::formatKB($info['avail_mem']);
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if($type == 'used') return \helper::formatKB($info['seg_size'] - $info['avail_mem']);
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if($type == 'rate') return round(($info['seg_size'] - $info['avail_mem']) / $info['seg_size'] * 100, 2);
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return '';
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}
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}
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