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