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95 lines
2.0 KiB
95 lines
2.0 KiB
<?php
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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 xPaw\SourceQuery\Exception\InvalidPacketException
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* @uses xPaw\SourceQuery\Exception\SocketException
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*/
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class Socket extends BaseSocket
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{
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public function Close( )
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{
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if( $this->Socket )
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{
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FClose( $this->Socket );
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$this->Socket = null;
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}
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}
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public function Open( $Address, $Port, $Timeout, $Engine )
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{
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$this->Timeout = $Timeout;
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$this->Engine = $Engine;
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$this->Port = $Port;
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$this->Address = $Address;
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$this->Socket = @FSockOpen( 'udp://' . $Address, $Port, $ErrNo, $ErrStr, $Timeout );
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if( $ErrNo || $this->Socket === false )
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{
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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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Stream_Set_Timeout( $this->Socket, $Timeout );
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Stream_Set_Blocking( $this->Socket, true );
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}
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public function Write( $Header, $String = '' )
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{
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$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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* @throws InvalidPacketException
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*
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* @return Buffer Buffer
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*/
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public function Read( $Length = 1400 )
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{
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$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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public function Sherlock( $Buffer, $Length )
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{
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$Data = FRead( $this->Socket, $Length );
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if( StrLen( $Data ) < 4 )
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{
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return false;
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}
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$Buffer->Set( $Data );
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return $Buffer->GetLong( ) === -2;
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}
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}
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