mirror of
https://github.com/xPaw/PHP-Source-Query.git
synced 2026-05-18 13:53:35 +02:00
Add comments and fix whitespacing, no real changes
This commit is contained in:
xPaw
+126
-119
@@ -1,148 +1,155 @@
|
||||
<?php
|
||||
class SourceQuerySocket
|
||||
{
|
||||
public $Socket;
|
||||
public $Engine;
|
||||
|
||||
public $Ip;
|
||||
public $Port;
|
||||
public $Timeout;
|
||||
|
||||
/**
|
||||
* Points to buffer class
|
||||
*
|
||||
* @var SourceQueryBuffer
|
||||
* Class written by xPaw
|
||||
*
|
||||
* Website: http://xpaw.ru
|
||||
* GitHub: https://github.com/xPaw/PHP-Source-Query-Class
|
||||
*/
|
||||
private $Buffer;
|
||||
|
||||
public function __construct( $Buffer )
|
||||
class SourceQuerySocket
|
||||
{
|
||||
$this->Buffer = $Buffer;
|
||||
}
|
||||
|
||||
public function Close( )
|
||||
{
|
||||
if( $this->Socket )
|
||||
{
|
||||
FClose( $this->Socket );
|
||||
|
||||
$this->Socket = null;
|
||||
}
|
||||
}
|
||||
|
||||
public function Open( $Ip, $Port, $Timeout, $Engine )
|
||||
{
|
||||
$this->Timeout = $Timeout;
|
||||
$this->Engine = $Engine;
|
||||
$this->Port = $Port;
|
||||
$this->Ip = $Ip;
|
||||
public $Socket;
|
||||
public $Engine;
|
||||
|
||||
$this->Socket = @FSockOpen( 'udp://' . $Ip, $Port, $ErrNo, $ErrStr, $Timeout );
|
||||
public $Ip;
|
||||
public $Port;
|
||||
public $Timeout;
|
||||
|
||||
if( $ErrNo || $this->Socket === false )
|
||||
/**
|
||||
* Points to buffer class
|
||||
*
|
||||
* @var SourceQueryBuffer
|
||||
*/
|
||||
private $Buffer;
|
||||
|
||||
public function __construct( $Buffer )
|
||||
{
|
||||
throw new Exception( 'Could not create socket: ' . $ErrStr );
|
||||
$this->Buffer = $Buffer;
|
||||
}
|
||||
|
||||
Stream_Set_Timeout( $this->Socket, $Timeout );
|
||||
Stream_Set_Blocking( $this->Socket, true );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public function Write( $Header, $String = '' )
|
||||
{
|
||||
$Command = Pack( 'ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String );
|
||||
$Length = StrLen( $Command );
|
||||
|
||||
return $Length === FWrite( $this->Socket, $Command, $Length );
|
||||
}
|
||||
|
||||
public function Read( $Length = 1400 )
|
||||
{
|
||||
$this->Buffer->Set( FRead( $this->Socket, $Length ) );
|
||||
|
||||
if( $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetLong( ) == -2 )
|
||||
public function Close( )
|
||||
{
|
||||
$Packets = Array( );
|
||||
$IsCompressed = false;
|
||||
$ReadMore = false;
|
||||
|
||||
do
|
||||
if( $this->Socket )
|
||||
{
|
||||
$RequestID = $this->Buffer->GetLong( );
|
||||
FClose( $this->Socket );
|
||||
|
||||
switch( $this->Engine )
|
||||
$this->Socket = null;
|
||||
}
|
||||
}
|
||||
|
||||
public function Open( $Ip, $Port, $Timeout, $Engine )
|
||||
{
|
||||
$this->Timeout = $Timeout;
|
||||
$this->Engine = $Engine;
|
||||
$this->Port = $Port;
|
||||
$this->Ip = $Ip;
|
||||
|
||||
$this->Socket = @FSockOpen( 'udp://' . $Ip, $Port, $ErrNo, $ErrStr, $Timeout );
|
||||
|
||||
if( $ErrNo || $this->Socket === false )
|
||||
{
|
||||
throw new Exception( 'Could not create socket: ' . $ErrStr );
|
||||
}
|
||||
|
||||
Stream_Set_Timeout( $this->Socket, $Timeout );
|
||||
Stream_Set_Blocking( $this->Socket, true );
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public function Write( $Header, $String = '' )
|
||||
{
|
||||
$Command = Pack( 'ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String );
|
||||
$Length = StrLen( $Command );
|
||||
|
||||
return $Length === FWrite( $this->Socket, $Command, $Length );
|
||||
}
|
||||
|
||||
public function Read( $Length = 1400 )
|
||||
{
|
||||
$this->Buffer->Set( FRead( $this->Socket, $Length ) );
|
||||
|
||||
if( $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetLong( ) == -2 )
|
||||
{
|
||||
$Packets = Array( );
|
||||
$IsCompressed = false;
|
||||
$ReadMore = false;
|
||||
|
||||
do
|
||||
{
|
||||
case SourceQuery :: GOLDSOURCE:
|
||||
$RequestID = $this->Buffer->GetLong( );
|
||||
|
||||
switch( $this->Engine )
|
||||
{
|
||||
$PacketCountAndNumber = $this->Buffer->GetByte( );
|
||||
$PacketCount = $PacketCountAndNumber & 0xF;
|
||||
$PacketNumber = $PacketCountAndNumber >> 4;
|
||||
|
||||
break;
|
||||
}
|
||||
case SourceQuery :: SOURCE:
|
||||
{
|
||||
$IsCompressed = ( $RequestID & 0x80000000 ) != 0;
|
||||
$PacketCount = $this->Buffer->GetByte( );
|
||||
$PacketNumber = $this->Buffer->GetByte( ) + 1;
|
||||
|
||||
if( $IsCompressed )
|
||||
case SourceQuery :: GOLDSOURCE:
|
||||
{
|
||||
$this->Buffer->GetLong( ); // Split size
|
||||
$PacketCountAndNumber = $this->Buffer->GetByte( );
|
||||
$PacketCount = $PacketCountAndNumber & 0xF;
|
||||
$PacketNumber = $PacketCountAndNumber >> 4;
|
||||
|
||||
$PacketChecksum = $this->Buffer->GetUnsignedLong( );
|
||||
break;
|
||||
}
|
||||
else
|
||||
case SourceQuery :: SOURCE:
|
||||
{
|
||||
$this->Buffer->GetShort( ); // Split size
|
||||
$IsCompressed = ( $RequestID & 0x80000000 ) != 0;
|
||||
$PacketCount = $this->Buffer->GetByte( );
|
||||
$PacketNumber = $this->Buffer->GetByte( ) + 1;
|
||||
|
||||
if( $IsCompressed )
|
||||
{
|
||||
$this->Buffer->GetLong( ); // Split size
|
||||
|
||||
$PacketChecksum = $this->Buffer->GetUnsignedLong( );
|
||||
}
|
||||
else
|
||||
{
|
||||
$this->Buffer->GetShort( ); // Split size
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
$Packets[ $PacketNumber ] = $this->Buffer->Get( );
|
||||
|
||||
$ReadMore = $PacketCount > sizeof( $Packets );
|
||||
}
|
||||
while( $ReadMore && $this->Sherlock( $Length ) );
|
||||
|
||||
$Buffer = Implode( $Packets );
|
||||
|
||||
// TODO: Test this
|
||||
if( $IsCompressed )
|
||||
{
|
||||
// Let's make sure this function exists, it's not included in PHP by default
|
||||
if( !Function_Exists( 'bzdecompress' ) )
|
||||
{
|
||||
throw new RuntimeException( 'Received compressed packet, PHP doesn\'t have Bzip2 library installed, can\'t decompress.' );
|
||||
}
|
||||
|
||||
$Data = bzdecompress( $Data );
|
||||
|
||||
if( CRC32( $Data ) != $PacketChecksum )
|
||||
{
|
||||
throw new SourceQueryException( 'CRC32 checksum mismatch of uncompressed packet data.' );
|
||||
}
|
||||
}
|
||||
|
||||
$Packets[ $PacketNumber ] = $this->Buffer->Get( );
|
||||
|
||||
$ReadMore = $PacketCount > sizeof( $Packets );
|
||||
$this->Buffer->Set( SubStr( $Buffer, 4 ) );
|
||||
}
|
||||
while( $ReadMore && $this->Sherlock( $Length ) );
|
||||
|
||||
$Buffer = Implode( $Packets );
|
||||
|
||||
// TODO: Test this
|
||||
if( $IsCompressed )
|
||||
{
|
||||
// Let's make sure this function exists, it's not included in PHP by default
|
||||
if( !Function_Exists( 'bzdecompress' ) )
|
||||
{
|
||||
throw new RuntimeException( 'Received compressed packet, PHP doesn\'t have Bzip2 library installed, can\'t decompress.' );
|
||||
}
|
||||
|
||||
$Data = bzdecompress( $Data );
|
||||
|
||||
if( CRC32( $Data ) != $PacketChecksum )
|
||||
{
|
||||
throw new SourceQueryException( 'CRC32 checksum mismatch of uncompressed packet data.' );
|
||||
}
|
||||
}
|
||||
|
||||
$this->Buffer->Set( SubStr( $Buffer, 4 ) );
|
||||
}
|
||||
}
|
||||
|
||||
private function Sherlock( $Length )
|
||||
{
|
||||
$Data = FRead( $this->Socket, $Length );
|
||||
|
||||
if( StrLen( $Data ) < 4 )
|
||||
private function Sherlock( $Length )
|
||||
{
|
||||
return false;
|
||||
$Data = FRead( $this->Socket, $Length );
|
||||
|
||||
if( StrLen( $Data ) < 4 )
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
$this->Buffer->Set( $Data );
|
||||
|
||||
return $this->Buffer->GetLong( ) == -2;
|
||||
}
|
||||
|
||||
$this->Buffer->Set( $Data );
|
||||
|
||||
return $this->Buffer->GetLong( ) == -2;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user