mirror of
https://gitee.com/ShopeX/OMS
synced 2026-03-23 10:55:34 +08:00
131 lines
3.2 KiB
PHP
Executable File
131 lines
3.2 KiB
PHP
Executable File
<?php
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/**
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* Copyright © ShopeX （http://www.shopex.cn）. All rights reserved.
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* See LICENSE file for license details.
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*/
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/**
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* 导出数据存储本地文件类
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*
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* @author kamisama.xia@gmail.com
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* @version 0.1
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*/
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class taskmgr_cache_filesystem extends taskmgr_cache_abstract implements taskmgr_cache_interface{
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static private $_cacheObj = null;
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private $_header = '<?php exit();?>';
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private $_path = 0;
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private $_header_length = 0;
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function __construct($path)
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{
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$this->_path = is_object($path) ? 'object' : $path;
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$this->_header_length = strlen($this->_header);
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}
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/**
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* fetch
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* @param mixed $key key
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* @param mixed $result result
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* @return mixed 返回值
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*/
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public function fetch($key, &$result)
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{
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$file = $this->get_save_file($key);
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if(file_exists($file)){
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$data = unserialize(substr(file_get_contents($file),$this->_header_length));
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if($data['ttl'] > 0 && ($data['dateline']+$data['ttl']) < time()){
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return false;
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}
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$result = $data['value'];
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return true;
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}
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return false;
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}
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/**
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* store
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* @param mixed $key key
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* @param mixed $value value
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* @param mixed $ttl ttl
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* @return mixed 返回值
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*/
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public function store($key, $value, $ttl=0)
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{
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$this->check_dir();
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$data = array();
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$data['value'] = $value;
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$data['ttl'] = $ttl;
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$data['dateline'] = time();
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$org_file = $this->get_save_file($key);
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$tmp_file = $org_file . '.' . str_replace(' ', '.', microtime()) . '.' . mt_rand();
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if(file_put_contents($tmp_file, $this->_header.serialize($data))){
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if(copy($tmp_file, $org_file)){
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@chmod($org_file,0666);
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@unlink($tmp_file);
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return true;
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}
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}
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return false;
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}
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/**
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* 删除
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* @param mixed $key key
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* @return mixed 返回值
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*/
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public function delete($key)
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{
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$file = $this->get_save_file($key);
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if(file_exists($file)){
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return @unlink($file);
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}
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return false;
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}
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/**
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* increment
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* @param mixed $key key
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* @param mixed $value value
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* @return mixed 返回值
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*/
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public function increment($key, $value=1)
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{
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$file = $this->get_save_file($key);
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$rhandle = fopen($file,'rb+');
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flock($rhandle, LOCK_EX);
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$old_cnts = fread($rhandle, filesize($file));
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$data = unserialize(substr($old_cnts,$this->_header_length));
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if($data){
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$data['value'] = $data['value'] + $value;
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ftruncate($rhandle, 0);
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rewind($rhandle);
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fwrite($rhandle, $this->_header.serialize($data));
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}
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flock($rhandle, LOCK_UN);
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fclose($rhandle);
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return true;
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}
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private function check_dir()
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{
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if(!is_dir(DATA_DIR.'/export/cache/'.$this->_path)){
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utils::mkdir_p(DATA_DIR.'/export/cache/'.$this->_path);
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}
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}
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private function get_save_file($key)
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{
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$key = $this->create_key($key);
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return DATA_DIR.'/export/cache/'.$this->_path.'/'.$key.'.php';
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}
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}
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