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chat_room/Workerman/Connection/UdpConnection.php

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<?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 Workerman\Connection;
/**
* UdpConnection.
*/
class UdpConnection extends ConnectionInterface
{
/**
* Application layer protocol.
* The format is like this Workerman\\Protocols\\Http.
*
* @var \Workerman\Protocols\ProtocolInterface
*/
public $protocol = null;
/**
* Udp socket.
*
* @var resource
*/
protected $_socket = null;
/**
* Remote ip.
*
* @var string
*/
protected $_remoteIp = '';
/**
* Remote port.
*
* @var int
*/
protected $_remotePort = 0;
/**
* Remote address.
*
* @var string
*/
protected $_remoteAddress = '';
/**
* Construct.
*
* @param resource $socket
* @param string $remote_address
*/
public function __construct($socket, $remote_address)
{
$this->_socket = $socket;
$this->_remoteAddress = $remote_address;
}
/**
* Sends data on the connection.
*
* @param string $send_buffer
* @param bool $raw
* @return void|boolean
*/
public function send($send_buffer, $raw = false)
{
if (false === $raw && $this->protocol) {
$parser = $this->protocol;
$send_buffer = $parser::encode($send_buffer, $this);
if ($send_buffer === '') {
return null;
}
}
return strlen($send_buffer) === stream_socket_sendto($this->_socket, $send_buffer, 0, $this->_remoteAddress);
}
/**
* Get remote IP.
*
* @return string
*/
public function getRemoteIp()
{
if (!$this->_remoteIp) {
list($this->_remoteIp, $this->_remotePort) = explode(':', $this->_remoteAddress, 2);
}
return $this->_remoteIp;
}
/**
* Get remote port.
*
* @return int
*/
public function getRemotePort()
{
if (!$this->_remotePort) {
list($this->_remoteIp, $this->_remotePort) = explode(':', $this->_remoteAddress, 2);
}
return $this->_remotePort;
}
/**
* Close connection.
*
* @param mixed $data
* @return bool
*/
public function close($data = null)
{
if ($data !== null) {
$this->send($data);
}
return true;
}
}