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82 lines
2.4 KiB
82 lines
2.4 KiB
<?php
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/**
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* Memcached缓存驱动
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*/
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namespace base\cache;
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class MemcachedDriver implements CacheInterface{
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protected $mmc = NULL;
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protected $group = '';
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protected $ver = 0;
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public function __construct($config = array()) {
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$this->mmc = new \Memcached;
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if(empty($config)) {
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$config['MEM_SERVER'] = array(array('127.0.0.1', 11211));
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$config['MEM_GROUP'] = '';
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$config['MEM_OPTIONS'] = NULL;
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$config['USERNAME'] = '';
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$config['PASSWORD'] = '';
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}
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foreach($config['MEM_SERVER'] as $v) {
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call_user_func_array(array($this->mmc, 'addServer'), $v);
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}
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if(isset($config['MEM_OPTIONS'])){
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$this->mmc->setOptions($config['MEM_OPTIONS']);
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}
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if(isset($config['USERNAME']) && !empty($config['USERNAME'])){
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$this->mmc->setSaslAuthData($config['USERNAME'], $config['PASSWORD']);
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}
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if( isset($config['MEM_GROUP']) ){
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$this->group = $config['MEM_GROUP'];
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}
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$this->ver = intval( $this->mmc->get($this->group.'_ver') );
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}
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public function get($key) {
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return $this->mmc->get($this->group.'_'.$this->ver.'_'.$key);
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}
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public function set($key, $value, $expire = 1800) {
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return $this->mmc->set($this->group.'_'.$this->ver.'_'.$key, $value, $expire);
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}
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public function inc($key, $value = 1) {
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return $this->mmc->increment($this->group.'_'.$this->ver.'_'.$key, $value);
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}
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/**
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* 更新缓存
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* @access public
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* @param string $name 缓存变量名
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* @param mixed $value 存储数据
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* @param integer $expire 有效时间（秒）
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* @return boolean
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*/
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public function replace($key, $value, $expire = 1800)
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{
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if ($this->mmc->replace($this->group.'_'.$this->ver.'_'.$key, $value, time() + $expire)) {
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return true;
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}
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return false;
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}
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public function des($key, $value = 1) {
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return $this->mmc->decrement($this->group.'_'.$this->ver.'_'.$key, $value);
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}
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public function del($key) {
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return $this->mmc->delete($this->group.'_'.$this->ver.'_'.$key);
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}
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public function clear() {
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return $this->mmc->set($this->group.'_ver', $this->ver+1);
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}
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}
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