Separater classess into their own files

pull/13/head
xPaw 12 years ago
parent 96d13dc413
commit ca082f887a

@ -0,0 +1,29 @@
<?php
require __DIR__ . '/SourceQuery/SourceQuery.class.php';
// For the sake of this example
Header( 'Content-Type: text/plain' );
// Edit this ->
define( 'SQ_SERVER_ADDR', 'gs2.my-run.de' );
define( 'SQ_SERVER_PORT', 27015 );
define( 'SQ_TIMEOUT', 1 );
define( 'SQ_ENGINE', SourceQuery :: SOURCE );
// Edit this <-
$Query = new SourceQuery( );
try
{
$Query->Connect( SQ_SERVER_ADDR, SQ_SERVER_PORT, SQ_TIMEOUT, SQ_ENGINE );
print_r( $Query->GetInfo( ) );
print_r( $Query->GetPlayers( ) );
print_r( $Query->GetRules( ) );
}
catch( Exception $e )
{
echo $e->getMessage( );
}
$Query->Disconnect( );

@ -0,0 +1,170 @@
<?php
class SourceQueryBuffer
{
/**
* Buffer
*
* @var string
*/
private $Buffer;
/**
* Buffer length
*
* @var int
*/
private $Length;
/**
* Current position in buffer
*
* @var int
*/
private $Position;
/**
* Sets buffer
*
* @param string $Buffer Buffer
*/
public function Set( $Buffer )
{
$this->Buffer = $Buffer;
$this->Length = StrLen( $Buffer );
$this->Position = 0;
}
/**
* Resets buffer
*/
public function Reset( )
{
$this->Buffer = "";
$this->Length = 0;
$this->Position = 0;
}
/**
* Get remaining bytes
*
* @return int Remaining bytes in buffer
*/
public function Remaining( )
{
return $this->Length - $this->Position;
}
/**
* Gets data from buffer
*
* @param int $Length Bytes to read
*
* @return string
*/
public function Get( $Length = -1 )
{
if( $Length == 0 )
{
// Why even bother
return "";
}
$Remaining = $this->Remaining( );
if( $Length == -1 )
{
$Length = $Remaining;
}
else if( $Length > $Remaining )
{
return "";
}
$Data = SubStr( $this->Buffer, $this->Position, $Length );
$this->Position += $Length;
return $Data;
}
/**
* Get byte from buffer
*
* @return int
*/
public function GetByte( )
{
return Ord( $this->Get( 1 ) );
}
/**
* Get short from buffer
*
* @return int
*/
public function GetShort( )
{
$Data = UnPack( 'v', $this->Get( 2 ) );
return $Data[ 1 ];
}
/**
* Get long from buffer
*
* @return int
*/
public function GetLong( )
{
$Data = UnPack( 'l', $this->Get( 4 ) );
return $Data[ 1 ];
}
/**
* Get float from buffer
*
* @return float
*/
public function GetFloat( )
{
$Data = UnPack( 'f', $this->Get( 4 ) );
return $Data[ 1 ];
}
/**
* Get unsigned long from buffer
*
* @return int
*/
public function GetUnsignedLong( )
{
$Data = UnPack( 'V', $this->Get( 4 ) );
return $Data[ 1 ];
}
/**
* Read one string from buffer ending with null byte
*
* @return string
*/
public function GetString( )
{
$ZeroBytePosition = StrPos( $this->Buffer, "\0", $this->Position );
if( $ZeroBytePosition === false )
{
$String = "";
}
else
{
$String = $this->Get( $ZeroBytePosition - $this->Position );
$this->Position++;
}
return $String;
}
}

@ -0,0 +1,5 @@
<?php
class SourceQueryException extends Exception
{
// Exception thrown by SourceQuery class
}

@ -0,0 +1,251 @@
<?php
class SourceQueryRcon
{
/**
* Points to buffer class
*
* @var SourceQueryBuffer
*/
private $Buffer;
/**
* Points to socket class
*
* @var SourceQuerySocket
*/
private $Socket;
private $RconSocket;
private $RconPassword;
private $RconRequestId;
private $RconChallenge;
public function __construct( $Buffer, $Socket )
{
$this->Buffer = $Buffer;
$this->Socket = $Socket;
}
public function Close( )
{
if( $this->RconSocket )
{
FClose( $this->RconSocket );
$this->RconSocket = null;
}
$this->RconChallenge = 0;
$this->RconRequestId = 0;
$this->RconPassword = 0;
}
public function Open( )
{
if( !$this->RconSocket && $this->Socket->Engine == SourceQuery :: SOURCE )
{
$this->RconSocket = @FSockOpen( $this->Socket->Ip, $this->Socket->Port, $ErrNo, $ErrStr, $this->Socket->Timeout );
if( $ErrNo || !$this->RconSocket )
{
throw new SourceQueryException( 'Can\'t connect to RCON server: ' . $ErrStr );
}
Stream_Set_Timeout( $this->RconSocket, $this->Socket->Timeout );
Stream_Set_Blocking( $this->RconSocket, true );
}
}
public function Write( $Header, $String = '' )
{
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$Command = Pack( 'cccca*', 0xFF, 0xFF, 0xFF, 0xFF, $String );
$Length = StrLen( $Command );
return $Length === FWrite( $this->Socket->Socket, $Command, $Length );
}
case SourceQuery :: SOURCE:
{
// Pack the packet together
$Command = Pack( 'VV', ++$this->RequestId, $Header ) . $String . "\x00\x00\x00";
// Prepend packet length
$Command = Pack( 'V', StrLen( $Command ) ) . $Command;
$Length = StrLen( $Command );
return $Length === FWrite( $this->RconSocket, $Command, $Length );
}
}
}
public function Read( $Length = 1400 )
{
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
// GoldSource RCON has same structure as Query
$this->Socket->Read( );
if( $this->Buffer->GetByte( ) != SourceQuery :: S2A_RCON )
{
return false;
}
$Buffer = $this->Buffer->Get( );
$Trimmed = Trim( $Buffer );
if( $Trimmed == 'Bad rcon_password.'
|| $Trimmed == 'You have been banned from this server.' )
{
throw new SourceQueryException( $Trimmed );
}
$ReadMore = false;
// There is no indentifier of the end, so we just need to continue reading
// TODO: Needs to be looked again, it causes timeouts
do
{
$this->Socket->Read( );
$ReadMore = $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetByte( ) == SourceQuery :: S2A_RCON;
if( $ReadMore )
{
$Packet = $this->Buffer->Get( );
$Buffer .= SubStr( $Packet, 0, -2 );
// Let's assume if this packet is not long enough, there are no more after this one
$ReadMore = StrLen( $Packet ) > 1000; // use 1300?
}
}
while( $ReadMore );
$this->Buffer->Set( Trim( $Buffer ) );
break;
}
case SourceQuery :: SOURCE:
{
$this->Buffer->Set( FRead( $this->RconSocket, $Length ) );
$Buffer = "";
$PacketSize = $this->Buffer->GetLong( );
$Buffer .= $this->Buffer->Get( );
// TODO: multi packet reading
$this->Buffer->Set( $Buffer );
break;
}
}
}
public function Command( $Command )
{
if( !$this->RconChallenge )
{
return false;
}
$Buffer = false;
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$this->Write( 0, 'rcon ' . $this->RconChallenge . ' "' . $this->RconPassword . '" ' . $Command . "\0" );
$this->Read( );
$Buffer = $this->Buffer->Get( );
break;
}
case SourceQuery :: SOURCE:
{
$this->Write( SourceQuery :: SERVERDATA_EXECCOMMAND, $Command );
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
if( $Type == SourceQuery :: SERVERDATA_AUTH_RESPONSE )
{
throw new SourceQueryException( 'Bad rcon_password.' );
}
else if( $Type != SourceQuery :: SERVERDATA_RESPONSE_VALUE )
{
return false;
}
// TODO: It should use GetString, but there are no null bytes at the end, why?
// $Buffer = $this->Buffer->GetString( );
$Buffer = $this->Buffer->Get( );
break;
}
}
return $Buffer;
}
public function Authorize( $Password )
{
$this->RconPassword = $Password;
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$this->Write( 0, 'challenge rcon' );
$this->Socket->Read( );
if( $this->Buffer->Get( 14 ) != 'challenge rcon' )
{
return false;
}
$this->RconChallenge = Trim( $this->Buffer->Get( ) );
break;
}
case SourceQuery :: SOURCE:
{
$this->Write( SourceQuery :: SERVERDATA_AUTH, $Password );
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
// If we receive SERVERDATA_RESPONSE_VALUE, then we need to read again
// More info: https://developer.valvesoftware.com/wiki/Source_RCON_Protocol#Additional_Comments
if( $Type == SourceQuery :: SERVERDATA_RESPONSE_VALUE )
{
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
}
if( $RequestID == -1 || $Type != SourceQuery :: SERVERDATA_AUTH_RESPONSE )
{
throw new SourceQueryException( 'RCON authorization failed.' );
}
$this->RconChallenge = 1;
break;
}
}
return true;
}
}

@ -0,0 +1,148 @@
<?php
class SourceQuerySocket
{
public $Socket;
public $Engine;
public $Ip;
public $Port;
public $Timeout;
/**
* Points to buffer class
*
* @var SourceQueryBuffer
*/
private $Buffer;
public function __construct( $Buffer )
{
$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;
$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
{
$RequestID = $this->Buffer->GetLong( );
switch( $this->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$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 )
{
$this->Buffer->GetLong( ); // Split size
$PacketChecksum = $this->Buffer->GetUnsignedLong( );
}
else
{
$this->Buffer->GetShort( ); // Split size
}
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.' );
}
}
$this->Buffer->Set( SubStr( $Buffer, 4 ) );
}
}
private function Sherlock( $Length )
{
$Data = FRead( $this->Socket, $Length );
if( StrLen( $Data ) < 4 )
{
return false;
}
$this->Buffer->Set( $Data );
return $this->Buffer->GetLong( ) == -2;
}
}

@ -1,9 +1,13 @@
<?php
class SourceQueryException extends Exception
if( !defined( '__DIR__' ) ) // PHP < 5.3
{
// Exception thrown by SourceQuery class
define( '__DIR__', dirname( __FILE__ ) );
}
require __DIR__ . '/Exception.class.php';
require __DIR__ . '/Buffer.class.php';
require __DIR__ . '/Socket.class.php';
require __DIR__ . '/Rcon.class.php';
class SourceQuery
{
@ -240,7 +244,7 @@ class SourceQuery
if( $Type != self :: S2A_INFO )
{
throw new SourceQueryException( 'GetInfo: Packet header mismatch. (' . $Type . ')' );
throw new SourceQueryException( 'GetInfo: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
$Server[ 'Protocol' ] = $this->Buffer->GetByte( );
@ -336,7 +340,7 @@ class SourceQuery
}
else if( $Type != self :: S2A_PLAYER )
{
throw new SourceQueryException( 'GetPlayers: Packet header mismatch. (' . $Type . ')' );
throw new SourceQueryException( 'GetPlayers: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
break;
@ -393,7 +397,7 @@ class SourceQuery
}
else if( $Type != self :: S2A_RULES )
{
throw new SourceQueryException( 'GetRules: Packet header mismatch. (' . $Type . ')' );
throw new SourceQueryException( 'GetRules: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
break;
@ -454,7 +458,7 @@ class SourceQuery
}
default:
{
throw new SourceQueryException( 'GetChallenge: Packet header mismatch. (' . $Type . ')' );
throw new SourceQueryException( 'GetChallenge: Packet header mismatch. (0x' . DecHex( $Type ) . ')' );
}
}
}
@ -495,552 +499,3 @@ class SourceQuery
return $this->Rcon->Command( $Command );
}
}
class SourceQuerySocket
{
public $Socket;
public $Engine;
public $Ip;
public $Port;
public $Timeout;
/**
* Points to buffer class
*
* @var SourceQueryBuffer
*/
private $Buffer;
public function __construct( $Buffer )
{
$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;
$this->Socket = FSockOpen( 'udp://' . $Ip, $Port, $ErrNo, $ErrStr, $Timeout );
if( $ErrNo || !$this->Socket )
{
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
{
$RequestID = $this->Buffer->GetLong( );
switch( $this->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$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 )
{
$this->Buffer->GetLong( ); // Split size
$PacketChecksum = $this->Buffer->GetUnsignedLong( );
}
else
{
$this->Buffer->GetShort( ); // Split size
}
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.' );
}
}
$this->Buffer->Set( SubStr( $Buffer, 4 ) );
}
}
private function Sherlock( $Length )
{
$Data = FRead( $this->Socket, $Length );
if( StrLen( $Data ) < 4 )
{
return false;
}
$this->Buffer->Set( $Data );
return $this->Buffer->GetLong( ) == -2;
}
}
class SourceQueryRcon
{
/**
* Points to buffer class
*
* @var SourceQueryBuffer
*/
private $Buffer;
/**
* Points to socket class
*
* @var SourceQuerySocket
*/
private $Socket;
private $RconSocket;
private $RconPassword;
private $RconRequestId;
private $RconChallenge;
public function __construct( $Buffer, $Socket )
{
$this->Buffer = $Buffer;
$this->Socket = $Socket;
}
public function Close( )
{
if( $this->RconSocket )
{
FClose( $this->RconSocket );
$this->RconSocket = null;
}
$this->RconChallenge = 0;
$this->RconRequestId = 0;
$this->RconPassword = 0;
}
public function Open( )
{
if( !$this->RconSocket && $this->Socket->Engine == SourceQuery :: SOURCE )
{
$this->RconSocket = FSockOpen( $this->Socket->Ip, $this->Socket->Port, $ErrNo, $ErrStr, $this->Socket->Timeout );
if( $ErrNo || !$this->RconSocket )
{
throw new SourceQueryException( 'Can\'t connect to RCON server: ' . $ErrStr );
}
Stream_Set_Timeout( $this->RconSocket, $this->Socket->Timeout );
Stream_Set_Blocking( $this->RconSocket, true );
}
}
public function Write( $Header, $String = '' )
{
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$Command = Pack( 'cccca*', 0xFF, 0xFF, 0xFF, 0xFF, $String );
$Length = StrLen( $Command );
return $Length === FWrite( $this->Socket->Socket, $Command, $Length );
}
case SourceQuery :: SOURCE:
{
// Pack the packet together
$Command = Pack( 'VV', ++$this->RequestId, $Header ) . $String . "\x00\x00\x00";
// Prepend packet length
$Command = Pack( 'V', StrLen( $Command ) ) . $Command;
$Length = StrLen( $Command );
return $Length === FWrite( $this->RconSocket, $Command, $Length );
}
}
}
public function Read( $Length = 1400 )
{
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
// GoldSource RCON has same structure as Query
$this->Socket->Read( );
if( $this->Buffer->GetByte( ) != SourceQuery :: S2A_RCON )
{
return false;
}
$Buffer = $this->Buffer->Get( );
$Trimmed = Trim( $Buffer );
if( $Trimmed == 'Bad rcon_password.'
|| $Trimmed == 'You have been banned from this server.' )
{
throw new SourceQueryException( $Trimmed );
}
$ReadMore = false;
// There is no indentifier of the end, so we just need to continue reading
// TODO: Needs to be looked again, it causes timeouts
do
{
$this->Socket->Read( );
$ReadMore = $this->Buffer->Remaining( ) > 0 && $this->Buffer->GetByte( ) == SourceQuery :: S2A_RCON;
if( $ReadMore )
{
$Packet = $this->Buffer->Get( );
$Buffer .= SubStr( $Packet, 0, -2 );
// Let's assume if this packet is not long enough, there are no more after this one
$ReadMore = StrLen( $Packet ) > 1000; // use 1300?
}
}
while( $ReadMore );
$this->Buffer->Set( Trim( $Buffer ) );
break;
}
case SourceQuery :: SOURCE:
{
$this->Buffer->Set( FRead( $this->RconSocket, $Length ) );
$Buffer = "";
$PacketSize = $this->Buffer->GetLong( );
$Buffer .= $this->Buffer->Get( );
// TODO: multi packet reading
$this->Buffer->Set( $Buffer );
break;
}
}
}
public function Command( $Command )
{
if( !$this->RconChallenge )
{
return false;
}
$Buffer = false;
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$this->Write( 0, 'rcon ' . $this->RconChallenge . ' "' . $this->RconPassword . '" ' . $Command . "\0" );
$this->Read( );
$Buffer = $this->Buffer->Get( );
break;
}
case SourceQuery :: SOURCE:
{
$this->Write( SourceQuery :: SERVERDATA_EXECCOMMAND, $Command );
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
if( $Type == SourceQuery :: SERVERDATA_AUTH_RESPONSE )
{
throw new SourceQueryException( 'Bad rcon_password.' );
}
else if( $Type != SourceQuery :: SERVERDATA_RESPONSE_VALUE )
{
return false;
}
// TODO: It should use GetString, but there are no null bytes at the end, why?
// $Buffer = $this->Buffer->GetString( );
$Buffer = $this->Buffer->Get( );
break;
}
}
return $Buffer;
}
public function Authorize( $Password )
{
$this->RconPassword = $Password;
switch( $this->Socket->Engine )
{
case SourceQuery :: GOLDSOURCE:
{
$this->Write( 0, 'challenge rcon' );
$this->Socket->Read( );
if( $this->Buffer->Get( 14 ) != 'challenge rcon' )
{
return false;
}
$this->RconChallenge = Trim( $this->Buffer->Get( ) );
break;
}
case SourceQuery :: SOURCE:
{
$this->Write( SourceQuery :: SERVERDATA_AUTH, $Password );
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
// If we receive SERVERDATA_RESPONSE_VALUE, then we need to read again
// More info: https://developer.valvesoftware.com/wiki/Source_RCON_Protocol#Additional_Comments
if( $Type == SourceQuery :: SERVERDATA_RESPONSE_VALUE )
{
$this->Read( );
$RequestID = $this->Buffer->GetLong( );
$Type = $this->Buffer->GetLong( );
}
if( $RequestID == -1 || $Type != SourceQuery :: SERVERDATA_AUTH_RESPONSE )
{
throw new SourceQueryException( 'RCON authorization failed.' );
}
$this->RconChallenge = 1;
break;
}
}
return true;
}
}
class SourceQueryBuffer
{
/**
* Buffer
*
* @var string
*/
private $Buffer;
/**
* Buffer length
*
* @var int
*/
private $Length;
/**
* Current position in buffer
*
* @var int
*/
private $Position;
/**
* Sets buffer
*
* @param string $Buffer Buffer
*/
public function Set( $Buffer )
{
$this->Buffer = $Buffer;
$this->Length = StrLen( $Buffer );
$this->Position = 0;
}
/**
* Resets buffer
*/
public function Reset( )
{
$this->Buffer = "";
$this->Length = 0;
$this->Position = 0;
}
/**
* Get remaining bytes
*
* @return int Remaining bytes in buffer
*/
public function Remaining( )
{
return $this->Length - $this->Position;
}
/**
* Gets data from buffer
*
* @param int $Length Bytes to read
*
* @return string
*/
public function Get( $Length = -1 )
{
if( $Length == 0 )
{
// Why even bother
return "";
}
$Remaining = $this->Remaining( );
if( $Length == -1 )
{
$Length = $Remaining;
}
else if( $Length > $Remaining )
{
return "";
}
$Data = SubStr( $this->Buffer, $this->Position, $Length );
$this->Position += $Length;
return $Data;
}
/**
* Get byte from buffer
*
* @return int
*/
public function GetByte( )
{
return Ord( $this->Get( 1 ) );
}
public function GetShort( )
{
$Data = UnPack( 'v', $this->Get( 2 ) );
return $Data[ 1 ];
}
public function GetLong( )
{
$Data = UnPack( 'l', $this->Get( 4 ) );
return $Data[ 1 ];
}
public function GetFloat( )
{
$Data = UnPack( 'f', $this->Get( 4 ) );
return $Data[ 1 ];
}
public function GetUnsignedLong( )
{
$Data = UnPack( 'V', $this->Get( 4 ) );
return $Data[ 1 ];
}
/**
* Read one string from buffer ending with null byte
*
* @return string String
*/
public function GetString( )
{
$ZeroBytePosition = StrPos( $this->Buffer, "\0", $this->Position );
if( $ZeroBytePosition === false )
{
$String = "";
}
else
{
$String = $this->Get( $ZeroBytePosition - $this->Position );
$this->Position++;
}
return $String;
}
}

@ -1,5 +1,5 @@
<?php
require __DIR__ . '/SourceQuery.class.php';
require __DIR__ . '/SourceQuery/SourceQuery.class.php';
// Edit this ->
define( 'SQ_SERVER_ADDR', 'tf.animuservers.ru' );

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