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125 lines
2.7 KiB
125 lines
2.7 KiB
<?php
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declare(strict_types=1);
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/**
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* @author Pavel Djundik
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*
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* @link https://xpaw.me
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* @link https://github.com/xPaw/PHP-Source-Query
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*
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* @license GNU Lesser General Public License, version 2.1
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*
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* @internal
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*/
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namespace xPaw\SourceQuery;
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use xPaw\SourceQuery\Exception\InvalidPacketException;
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use xPaw\SourceQuery\Exception\SocketException;
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/**
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* Class Socket
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*
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* @package xPaw\SourceQuery
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*
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* @uses InvalidPacketException
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* @uses SocketException
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*/
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final class Socket extends BaseSocket
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{
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/**
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* Close
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*/
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public function Close(): void
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{
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if ($this->Socket !== null) {
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fclose($this->Socket);
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$this->Socket = 0;
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}
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}
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/**
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* @param string $Address
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* @param int $Port
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* @param int $Timeout
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* @param int $Engine
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*
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* @throws SocketException
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*/
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public function Open(string $Address, int $Port, int $Timeout, int $Engine): void
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{
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$this->Timeout = $Timeout;
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$this->Engine = $Engine;
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$this->Port = $Port;
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$this->Address = $Address;
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$Socket = @fsockopen('udp://' . $Address, $Port, $ErrNo, $ErrStr, $Timeout);
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if ($ErrNo || $Socket === false) {
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throw new SocketException('Could not create socket: ' . $ErrStr, SocketException::COULD_NOT_CREATE_SOCKET);
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}
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$this->Socket = $Socket;
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stream_set_timeout($this->Socket, $Timeout);
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stream_set_blocking($this->Socket, true);
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}
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/**
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* @param int $Header
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* @param string $String
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*
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* @return bool
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*/
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public function Write(int $Header, string $String = ''): bool
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{
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$Command = pack('ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String);
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$Length = strlen($Command);
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return $Length === fwrite($this->Socket, $Command, $Length);
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}
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/**
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* Reads from socket and returns Buffer.
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*
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* @param int $Length
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*
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* @return Buffer Buffer
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*
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* @throws InvalidPacketException
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* @throws SocketException
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*
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*/
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public function Read(int $Length = 1400): Buffer
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{
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$Buffer = new Buffer();
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$Buffer->Set(fread($this->Socket, $Length));
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$this->ReadInternal($Buffer, $Length, [ $this, 'Sherlock' ]);
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return $Buffer;
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}
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/**
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* @param Buffer $Buffer
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* @param int $Length
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*
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* @return bool
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*
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* @throws InvalidPacketException
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*/
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public function Sherlock(Buffer $Buffer, int $Length): bool
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{
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$Data = fread($this->Socket, $Length);
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if (strlen($Data) < 4) {
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return false;
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}
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$Buffer->Set($Data);
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return $Buffer->GetLong() === -2;
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}
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}
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