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