137 lines
2.8 KiB
PHP
137 lines
2.8 KiB
PHP
<?php
|
||
/**
|
||
* This file is part of workerman.
|
||
*
|
||
* Licensed under The MIT License
|
||
* For full copyright and license information, please see the MIT-LICENSE.txt
|
||
* Redistributions of files must retain the above copyright notice.
|
||
*
|
||
* @author walkor<walkor@workerman.net>
|
||
* @copyright walkor<walkor@workerman.net>
|
||
* @link http://www.workerman.net/
|
||
* @license http://www.opensource.org/licenses/mit-license.php MIT License
|
||
*/
|
||
namespace GatewayWorker\Lib;
|
||
|
||
use Exception;
|
||
|
||
/**
|
||
* 上下文 包含当前用户 uid， 内部通信 local_ip local_port socket_id，以及客户端 client_ip client_port
|
||
*/
|
||
class Context
|
||
{
|
||
/**
|
||
* 内部通讯 id
|
||
*
|
||
* @var string
|
||
*/
|
||
public static $local_ip;
|
||
|
||
/**
|
||
* 内部通讯端口
|
||
*
|
||
* @var int
|
||
*/
|
||
public static $local_port;
|
||
|
||
/**
|
||
* 客户端 ip
|
||
*
|
||
* @var string
|
||
*/
|
||
public static $client_ip;
|
||
|
||
/**
|
||
* 客户端端口
|
||
*
|
||
* @var int
|
||
*/
|
||
public static $client_port;
|
||
|
||
/**
|
||
* client_id
|
||
*
|
||
* @var string
|
||
*/
|
||
public static $client_id;
|
||
|
||
/**
|
||
* 连接 connection->id
|
||
*
|
||
* @var int
|
||
*/
|
||
public static $connection_id;
|
||
|
||
/**
|
||
* 旧的session
|
||
*
|
||
* @var string
|
||
*/
|
||
public static $old_session;
|
||
|
||
/**
|
||
* 编码 session
|
||
*
|
||
* @param mixed $session_data
|
||
* @return string
|
||
*/
|
||
public static function sessionEncode($session_data = '')
|
||
{
|
||
if ($session_data !== '') {
|
||
return serialize($session_data);
|
||
}
|
||
return '';
|
||
}
|
||
|
||
/**
|
||
* 解码 session
|
||
*
|
||
* @param string $session_buffer
|
||
* @return mixed
|
||
*/
|
||
public static function sessionDecode($session_buffer)
|
||
{
|
||
return unserialize($session_buffer);
|
||
}
|
||
|
||
/**
|
||
* 清除上下文
|
||
*
|
||
* @return void
|
||
*/
|
||
public static function clear()
|
||
{
|
||
self::$local_ip = self::$local_port = self::$client_ip = self::$client_port =
|
||
self::$client_id = self::$connection_id = self::$old_session = null;
|
||
}
|
||
|
||
/**
|
||
* 通讯地址到 client_id 的转换
|
||
*
|
||
* @param int $local_ip
|
||
* @param int $local_port
|
||
* @param int $connection_id
|
||
* @return string
|
||
*/
|
||
public static function addressToClientId($local_ip, $local_port, $connection_id)
|
||
{
|
||
return bin2hex(pack('NnN', $local_ip, $local_port, $connection_id));
|
||
}
|
||
|
||
/**
|
||
* client_id 到通讯地址的转换
|
||
*
|
||
* @param string $client_id
|
||
* @return array
|
||
* @throws Exception
|
||
*/
|
||
public static function clientIdToAddress($client_id)
|
||
{
|
||
if (strlen($client_id) !== 20) {
|
||
echo new Exception("client_id $client_id is invalid");
|
||
return false;
|
||
}
|
||
return unpack('Nlocal_ip/nlocal_port/Nconnection_id', pack('H*', $client_id));
|
||
}
|
||
}
|