memcache通用类 包括hash分配
1. class.php
<?php
namespace YBL;
class memcache
{
protected $config = array();
public $memcache_obj = '';
protected $host_list = '';
protected $connectFailures = 0;
public function __construct($config = array())
//默认配置
{
$this->config = array(
'host' => '127.0.0.1',
'port' => 11211,
'persistent' => false,
'weight' => 1,
//超时时间
'timeout' => 1,
//重试间隔时间
'retry_interval' => 15,
'status' => false,
//=============================
//是否打开压缩
'threshold' => 1,
//压缩率
'min_savings' => 0.2,
//最大重试次数
'max_connect_retries' => 5
);
//不带一致性hash分配方案
if (!isset($config['memcache_deploy']) || !is_callable($config['memcache_deploy'])) {
$config['memcache_deploy'] = array(
__CLASS__,
'default_memcache_deploy'
);
}
//带一致性hash分配方案
if (!isset($config['memcache_hdeploy']) || !is_callable($config['memcache_hdeploy'])) {
$config['memcache_hdeploy'] = array(
__CLASS__,
'default_memcache_hdeploy'
);
}
//错误处理
if (!isset($config['failure_callback']) || !is_callable($config['failure_callback'])) {
$config['failure_callback'] = array(
__CLASS__,
'default_error_hander'
);
}
$this->config = array_merge($this->config, $config);
$this->memcache_obj = new \Memcache;
}
public function host($host_list = '')
{
$this->host_list = $host_list;
return $this;
}
//默认错误处理
static public function default_error_hander($host = array())
//var_dump($host);
{
}
static public function default_memcache_hdeploy($host, $hash = '')
{
static $node_object;
if (!($node_object instanceof yhash)) {
$config = array(
//虚拟节点20个
'replicas' => 20
);
$node_object = new yhash($config);
//添加节点
$node_object->addTargets(array_keys($host));
}
return $node_object->lookup($hash);
}
static public function default_memcache_deploy($host)
{
$keys = array_keys($host);
$key = array_rand($keys, 1);
return $keys[$key];
}
public function alink()
{
$default_host = array(
'host' => $this->config['host'],
'port' => $this->config['port'],
'persistent' => $this->config['persistent'],
'weight' => $this->config['weight'],
'timeout' => $this->config['timeout'],
'retry_interval' => $this->config['retry_interval'],
'status' => $this->config['status'],
'failure_callback' => $this->config['failure_callback'],
'threshold' => $this->config['threshold'],
'min_savings' => $this->config['min_savings']
);
$failure_callback = '';
if (!empty($this->host_list)) {
foreach ($this->host_list as $_host) {
$_host = array_merge($default_host, $_host);
$failure_callback = function($host = '', $port = 11211) use ($_host)
{
return call_user_func_array($_host['failure_callback'], array(
$_host
));
};
$this->memcache_obj->addServer($_host['host'], $_host['port'], $_host['persistent'], $_host['weight'], $_host['timeout'], $_host['retry_interval'], $_host['status'], $failure_callback);
if ($_host['threshold']) {
$this->memcache_obj->setCompressThreshold($_host['threshold'], $_host['min_savings']);
}
}
} else {
$failure_callback = function($host = '', $port = 11211) use ($default_host)
{
return call_user_func_array($default_host['failure_callback'], array(
$default_host
));
};
$this->memcache_obj->addServer($default_host['host'], $default_host['port'], $default_host['persistent'], $default_host['weight'], $default_host['timeout'], $default_host['retry_interval'], $default_host['status'], $failure_callback);
if ($default_host['threshold']) {
$this->memcache_obj->setCompressThreshold($default_host['threshold'], $default_host['min_savings']);
}
}
}
public function link()
{
$default_host = '';
$host_no = -1;
$return = false;
$_host = array();
if (!empty($this->host_list)) {
$host_no = call_user_func_array($this->config['memcache_deploy'], array(
$this->host_list
));
$_host = $this->host_list[$host_no];
}
$default_host = array(
'host' => $this->config['host'],
'port' => $this->config['port'],
'persistent' => $this->config['persistent'],
//'weight'=>$this->config['weight'],
'timeout' => $this->config['timeout'],
'retry_interval' => $this->config['retry_interval'],
//'status'=>$this->config['status'],
'failure_callback' => $this->config['failure_callback'],
'threshold' => $this->config['threshold'],
'min_savings' => $this->config['min_savings']
);
$_host = array_merge($default_host, $_host);
if ($_host['persistent']) {
$return = @$this->memcache_obj->pconnect($_host['host'], $_host['port'], $_host['timeout']);
} else {
$return = @$this->memcache_obj->connect($_host['host'], $_host['port'], $_host['timeout']);
}
if (!$return) {
$this->connectFailures++;
if ($this->connectFailures <= $this->config['max_connect_retries']) {
if (count($this->host_list) > 1) {
call_user_func_array($_host['failure_callback'], array(
$_host
));
usleep($_host['interval_time']);
unset($this->host_list[$host_no]);
$this->link();
} else {
$this->connectFailures = 0;
call_user_func_array($_host['failure_callback'], array(
$_host
));
}
} else {
$this->connectFailures = 0;
call_user_func_array($_host['failure_callback'], array(
$_host
));
}
} else {
$this->connectFailures = 0;
if ($_host['threshold']) {
$this->memcache_obj->setCompressThreshold($_host['threshold'], $_host['min_savings']);
}
}
}
public function hlink($hash = '')
{
$default_host = '';
$host_no = -1;
$return = false;
$_host = array();
if (!empty($this->host_list)) {
$host_no = call_user_func_array($this->config['memcache_hdeploy'], array(
$this->host_list,
$hash
));
$_host = $this->host_list[$host_no];
}
$default_host = array(
'host' => $this->config['host'],
'port' => $this->config['port'],
'persistent' => $this->config['persistent'],
//'weight'=>$this->config['weight'],
'timeout' => $this->config['timeout'],
'retry_interval' => $this->config['retry_interval'],
//'status'=>$this->config['status'],
'failure_callback' => $this->config['failure_callback'],
'threshold' => $this->config['threshold'],
'min_savings' => $this->config['min_savings'],
'hash' => $hash
);
$_host = array_merge($default_host, $_host);
if ($_host['persistent']) {
$return = $this->memcache_obj->pconnect($_host['host'], $_host['port'], $_host['timeout']);
} else {
$return = $this->memcache_obj->connect($_host['host'], $_host['port'], $_host['timeout']);
}
if (!$return) {
$this->connectFailures = 0;
call_user_func_array($_host['failure_callback'], array(
$_host
));
} else {
if ($_host['threshold']) {
$this->memcache_obj->setCompressThreshold($_host['threshold'], $_host['min_savings']);
}
}
}
/*
type类型 值reset, malloc, maps, cachedump, slabs, items, sizes
slabid slab的id
limit 返回的最大条数
*/
public function _server($type = '', $slabid = 1, $limit = 1000000)
{
//$this->memcache_obj->close();
if ($type === '')
return $this->memcache_obj->getStats();
if ($type != 'cachedump')
return $this->memcache_obj->getStats($type);
return $this->memcache_obj->getStats($type, $slabid, $limit);
}
public function _allserver($type = '', $slabid = 1, $limit = 1000000)
{
if ($type === '')
return $this->memcache_obj->getExtendedStats();
if ($type != 'cachedump')
return $this->memcache_obj->getExtendedStats($type);
return $this->memcache_obj->getExtendedStats($type, $slabid, $limit);
}
public function close()
{
return $this->memcache_obj->close();
}
public function slabid()
{
$ids = $id = array();
$ids = $this->memcache_obj->getStats('slabs');
foreach ($ids as $k => $v) {
if (is_int($k)) {
$id[] = $k;
}
}
return $id;
}
//!!!!!!!!!!!============================================
public function getallkey($limit = 1000000)
{
$ids = $this->slabid();
$arr = array();
foreach ($ids as $id) {
$arr = array_merge(array_keys($this->memcache_obj->getStats('cachedump', $id, $limit)), $arr);
}
return $arr;
}
public function set($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
{
return $this->memcache_obj->set($key, $var, $flag, $expire);
}
public function add($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
{
return $this->memcache_obj->add($key, $var, $flag, $expire);
}
public function get($key, &$flag = 0)
{
$gflag = 0;
$return = $this->memcache_obj->get($key, $gflag);
$flag = $gflag;
return $return;
}
public function delete($key, $timeout = 0)
{
if ($key === 'all') {
return $this->memcache_obj->flush();
}
return $this->memcache_obj->delete($key, $timeout);
}
public function replace($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
{
return $this->memcache_obj->replace($key, $var, $flag, $expire);
}
public function increment($key, $var)
{
return $this->memcache_obj->increment($key, (int) $var);
}
public function decrement($key, $var)
{
return $this->memcache_obj->decrement($key, (int) $var);
}
public function append($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
{
$return = $this->memcache_obj->get($key);
if (empty($return))
return false;
return $this->memcache_obj->replace($key, $return . $var, $flag, $expire);
}
public function prepend($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
{
$return = $this->memcache_obj->get($key);
if (empty($return))
return false;
return $this->memcache_obj->replace($key, $var . $return, $flag, $expire);
}
public function cas($key, $key2)
{
$return1 = $this->memcache_obj->get($key);
if (empty($return1))
return false;
$return2 = $this->memcache_obj->get($key2);
if (empty($return2))
return false;
return ($this->memcache_obj->replace($key, $return2)) && ($this->memcache_obj->replace($key2, $return));
}
}ログイン後にコピー
2. memcache.php
<?php
namespace YBL;
require_once('../lib/memcache/class.php');
//====================================================================================
//默认配置
$dconfig = array(
//主机
'host' => '127.0.0.1',
//端口
'port' => 11211,
//是否长连接
'persistent' => false,
//比重
'weight' => 1,
//超时时间
'timeout' => 1,
//重试间隔时间
'retry_interval' => 15,
//状态
'status' => false,
//=============================
//是否打开压缩
'threshold' => 1,
//压缩率
'min_savings' => 0.2,
//最大重试次数
'max_connect_retries' => 5,
//不带一致性hash分配方案
//回调函数
//参数 主机数组
'memcache_deploy' => 'default_memcache_deploy',
//带一致性hash分配方案
//回调函数
//参数 主机数组 hash值
'memcache_hdeploy' => 'default_memcache_hdeploy',
//错误处理
//回调函数
//参数 主机数组
'failure_callback' => 'default_error_hander'
);
//====================================================================================
//连接
/*memcahe 三种连接方式
1.连接池addserver
2.普通connect/pconnect
3.带hash的connect/pconnect
*/
//1.连接池
$memcache = new memcache();
$host = array(
array(
'host' => 'localhost',
'port' => '11211'
),
array(
'host' => '127.0.0.1',
'port' => '11211'
),
array(
'host' => 'localhost',
'port' => '11212'
),
array(
'host' => '127.0.0.1',
'port' => '11212'
)
);
$memcache->host($host);
$memcache->alink();
//print_r($memcache->_allserver());
//-------------------------------------------------------------
//2.普通connect/pconnect
$memcache2 = new memcache();
$host = array(
array(
'host' => 'localhost',
'port' => '11211'
),
array(
'host' => '127.0.0.1',
'port' => '11211'
),
array(
'host' => 'localhost',
'port' => '11212'
),
array(
'host' => '127.0.0.1',
'port' => '11212'
)
);
$memcache2->host($host);
$memcache2->link();
//print_r($memcache2->_allserver());
//--------------------------------------------------------------
//3.带hash的connect/pconnect
//导入算法类
include('../lib/hash/class.php');
$memcache3 = new memcache();
$host = array(
array(
'host' => 'localhost',
'port' => '11211'
),
array(
'host' => '127.0.0.1',
'port' => '11211'
),
array(
'host' => 'localhost',
'port' => '11211'
),
array(
'host' => '127.0.0.1',
'port' => '11211'
)
);
$memcache3->host($host);
//$memcache3->hlink('233ybl');
//print_r($memcache3->_allserver());
//==================================================================================
//内置函数
//set($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
//add($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
//get($key, &$flag = 0)
//delete($key, $timeout = 0)
//replace($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
//increment($key, $var)
//decrement($key, $var)
//append($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
//prepend($key, $var, $expire = 0, $flag = MEMCACHE_COMPRESSED)
// cas($key, $key2)
$memcache3->hlink('32ybl');
$memcache3->set('32ybl', 55);
//$memcache3->increment('32ybl',333);
echo $memcache3->get('32ybl');
//======================================================================
//系统函数
//获取当前连接服务器信息
//_server($type = '', $slabid = 1, $limit = 1000000)
//获取所有连接服务器信息
//_allserver($type = '', $slabid = 1, $limit = 1000000)
//获取所有key名
//getallkey($limit=1000000)
var_dump($memcache->getallkey());ログイン後にコピー
このウェブサイトの声明
この記事の内容はネチズンが自主的に寄稿したものであり、著作権は原著者に帰属します。このサイトは、それに相当する法的責任を負いません。盗作または侵害の疑いのあるコンテンツを見つけた場合は、admin@php.cn までご連絡ください。
ホットAIツール
Undresser.AI Undress
リアルなヌード写真を作成する AI 搭載アプリ
AI Clothes Remover
写真から衣服を削除するオンライン AI ツール。
Undress AI Tool
脱衣画像を無料で
Clothoff.io
AI衣類リムーバー
Video Face Swap
完全無料の AI 顔交換ツールを使用して、あらゆるビデオの顔を簡単に交換できます。
人気の記事
<🎜>：庭を育てる - 完全な突然変異ガイド
3週間前
By DDD
<🎜>：バブルガムシミュレーターインフィニティ - ロイヤルキーの取得と使用方法
3週間前
By 尊渡假赌尊渡假赌尊渡假赌
KB5055612を修正する方法Windows 10にインストールできませんか？
3週間前
By DDD
ブループリンス：地下室への行き方
1 か月前
By DDD
Nordhold：Fusion System、説明
3週間前
By 尊渡假赌尊渡假赌尊渡假赌
ホットツール
メモ帳++7.3.1
使いやすく無料のコードエディター
SublimeText3 中国語版
中国語版、とても使いやすい
ゼンドスタジオ 13.0.1
強力な PHP 統合開発環境
ドリームウィーバー CS6
ビジュアル Web 開発ツール
SublimeText3 Mac版
神レベルのコード編集ソフト（SublimeText3）
ホットトピック
Java チュートリアル
1664
14
1664
14
CakePHP チュートリアル
1423
52
1423
52
Laravel チュートリアル
1318
25
1318
25
PHP チュートリアル
1269
29
1269
29
C# チュートリアル
1248
24
1248
24