Files
web-discuz/source/class/discuz/discuz_memory.php
2025-06-27 21:04:18 +08:00

386 lines
9.9 KiB
PHP
Executable File

<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: discuz_memory.php 36362 2017-02-04 02:02:03Z nemohou $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
class discuz_memory extends discuz_base
{
private $config;
private $extension = array();
private $memory;
private $prefix;
private $userprefix;
public $type;
public $enable = false;
public $debug = array();
public $gotset = false;
public $gothash = false;
public $goteval = false;
public $gotsortedset = false;
public $gotcluster = false;
public $gotpipeline = false;
public function __construct() {
}
public function init($config) {
$this->config = $config;
$this->prefix = empty($config['prefix']) ? substr(md5($_SERVER['HTTP_HOST']), 0, 6).'_' : $config['prefix'];
unset($this->config['prefix']);
foreach($this->config as $cache => $config) {
$available = is_array($config) ? !empty($config['server']) : !empty($config);
if($available && !is_object($this->memory)) {
$class_name = 'memory_driver_'.$cache;
$this->memory = new $class_name();
$this->memory->init($config);
if(!$this->memory->enable) {
$this->memory = null;
} else {
$this->type = $this->memory->cacheName;
$this->enable = true;
$this->gotset = method_exists($this->memory, 'feature') && $this->memory->feature('set');
$this->gothash = method_exists($this->memory, 'feature') && $this->memory->feature('hash');
$this->goteval = method_exists($this->memory, 'feature') && $this->memory->feature('eval');
$this->gotsortedset = method_exists($this->memory, 'feature') && $this->memory->feature('sortedset');;
$this->gotcluster = method_exists($this->memory, 'feature') && $this->memory->feature('cluster');
$this->gotpipeline = method_exists($this->memory, 'feature') && $this->memory->feature('pipeline');
break;
}
}
}
}
public function get($key, $prefix = '') {
static $getmulti = null;
$ret = false;
if($this->enable) {
if(!isset($getmulti)) $getmulti = method_exists($this->memory, 'getMulti');
$this->userprefix = $prefix;
if(is_array($key)) {
if($getmulti) {
$ret = $this->memory->getMulti($this->_key($key));
if($ret !== false && !empty($ret)) {
$_ret = array();
foreach((array)$ret as $_key => $value) {
$_ret[$this->_trim_key($_key)] = $value;
}
$ret = $_ret;
}
} else {
$ret = array();
$_ret = false;
foreach($key as $id) {
if(($_ret = $this->memory->get($this->_key($id))) !== false && isset($_ret)) {
$ret[$id] = $_ret;
}
}
}
if(empty($ret)) $ret = false;
} else {
$ret = $this->memory->get($this->_key($key));
if(!isset($ret)) $ret = false;
}
}
return $ret;
}
public function set($key, $value, $ttl = 0, $prefix = '') {
$ret = false;
if($value === false) $value = '';
if($this->enable) {
$this->userprefix = $prefix;
$ret = $this->memory->set($this->_key($key), $value, $ttl);
}
return $ret;
}
public function add($key, $value, $ttl = 0, $prefix = '') {
$ret = false;
if($value === false) $value = '';
if($this->enable) {
$this->userprefix = $prefix;
$ret = $this->memory->add($this->_key($key), $value, $ttl);
}
return $ret;
}
public function exists($key, $prefix = '') {
$ret = false;
if ($this->enable && method_exists($this->memory, 'exists')) {
$this->userprefix = $prefix;
$ret = $this->memory->exists($this->_key($key));
}
return $ret;
}
public function rm($key, $prefix = '') {
$ret = false;
if($this->enable) {
$this->userprefix = $prefix;
$key = $this->_key($key);
foreach((array)$key as $id) {
$ret = $this->memory->rm($id);
}
}
return $ret;
}
public function clear() {
$ret = false;
if($this->enable && method_exists($this->memory, 'clear')) {
$ret = $this->memory->clear();
}
return $ret;
}
public function inc($key, $step = 1, $prefix = '') {
static $hasinc = null;
$ret = false;
if($this->enable) {
$this->userprefix = $prefix;
if(!isset($hasinc)) $hasinc = method_exists($this->memory, 'inc');
if($hasinc) {
$ret = $this->memory->inc($this->_key($key), $step);
} else {
if(($data = $this->memory->get($key)) !== false) {
$ret = ($this->memory->set($key, $data + ($step)) !== false ? $this->memory->get($key) : false);
}
}
}
return $ret;
}
public function incex($key, $value, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->incex($this->_key($key), $value);
}
public function dec($key, $step = 1, $prefix = '') {
static $hasdec = null;
$ret = false;
if($this->enable) {
$this->userprefix = $prefix;
if(!isset($hasdec)) $hasdec = method_exists($this->memory, 'dec');
if($hasdec) {
$ret = $this->memory->dec($this->_key($key), $step);
} else {
if(($data = $this->memory->get($key)) !== false) {
$ret = ($this->memory->set($key, $data - ($step)) !== false ? $this->memory->get($key) : false);
}
}
}
return $ret;
}
public function sadd($key, $value, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->sadd($this->_key($key), $value);
}
public function srem($key, $value, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->srem($this->_key($key), $value);
}
public function sismember($key, $value, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->sismember($this->_key($key), $value);
}
public function scard($key, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->scard($this->_key($key));
}
public function smembers($key, $prefix = '') {
if (!$this->enable || !$this->gotset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->smembers($this->_key($key));
}
public function hmset($key, $value, $prefix = '') {
if (!$this->enable || !$this->gothash) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->hmset($this->_key($key), $value);
}
public function hgetall($key, $prefix = '') {
if (!$this->enable || !$this->gothash) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->hgetall($this->_key($key));
}
public function hexists($key, $field, $prefix = '') {
if (!$this->enable || !$this->gothash) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->hexists($this->_key($key), $field);
}
public function hget($key, $field, $prefix = '') {
if (!$this->enable || !$this->gothash) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->hget($this->_key($key), $field);
}
public function evalscript($script, $argv, $sha_key, $prefix = '') {
if (!$this->enable || !$this->goteval) {
return false;
}
if (!is_array($argv)) {
$argv = array();
}
$this->userprefix = $prefix;
if ($sha_key) {
$sha_key = $sha_key . '_eval_sha';
$sha = $this->memory->get($this->_key($sha_key));
$should_load = false;
if (!$sha) {
if (!$script) return false;
$should_load = true;
} else {
if (!$this->memory->scriptexists($sha)) {
$should_load = true;
}
}
if ($should_load) {
$sha = $this->memory->loadscript($script);
$this->memory->set($this->_key($sha_key), $sha);
}
return $this->memory->evalSha($sha, array_merge(array($this->_key('')), $argv));
} else {
return $this->memory->evalscript($script, array_merge(array($this->_key('')), $argv));
}
}
public function zadd($key, $value, $score, $prefix = '') {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zadd($this->_key($key), $value, $score);
}
public function zrem($key, $value, $prefix = '') {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zrem($this->_key($key), $value);
}
public function zscore($key, $member, $prefix = '') {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zscore($this->_key($key), $member);
}
public function zcard($key, $prefix = '') {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zcard($this->_key($key));
}
public function zrevrange($key, $start, $end, $prefix = '', $withscore = false) {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zrevrange($this->_key($key), $start, $end, $withscore);
}
public function zincrby($key, $member, $value, $prefix = '') {
if (!$this->enable || !$this->gotsortedset) {
return false;
}
$this->userprefix = $prefix;
return $this->memory->zincrby($this->_key($key), $member, $value);
}
public function pipeline() {
if (!$this->enable || !$this->gotpipeline) {
return false;
}
return $this->memory->pipeline();
}
public function commit() {
if (!$this->enable || !$this->gotpipeline) {
return false;
}
return $this->memory->commit();
}
public function discard() {
if (!$this->enable || !$this->gotpipeline) {
return false;
}
return $this->memory->discard();
}
private function _key($str) {
$perfix = $this->prefix.$this->userprefix;
if(is_array($str)) {
foreach($str as &$val) {
$val = $perfix.$val;
}
} else {
$str = $perfix.$str;
}
return $str;
}
private function _trim_key($str) {
return substr($str, strlen($this->prefix.$this->userprefix));
}
public function getextension() {
return $this->extension;
}
public function getconfig() {
return $this->config;
}
}
?>