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));
}
}
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());
Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Repo: How To Revive Teammates
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months agoBy尊渡假赌尊渡假赌尊渡假赌
How Long Does It Take To Beat Split Fiction?
4 weeks agoByDDD
R.E.P.O. Save File Location: Where Is It & How to Protect It?
4 weeks agoByDDD
Hot Tools
Atom editor mac version download
The most popular open source editor
MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.
Dreamweaver Mac version
Visual web development tools
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
