Minor cosmetic changes, throw an error when rcon read fails (#42)

SourceQuery/Exceptions.class.php

@@ -10,7 +10,7 @@ namespace xPaw\SourceQuery\Exception;
 	
 	abstract class SourceQueryException extends \Exception
 	{
-
+		// Base exception class
 	}
 	
 	class InvalidArgumentException extends SourceQueryException
@@ -26,9 +26,9 @@ class TimeoutException extends SourceQueryException
 	class InvalidPacketException extends SourceQueryException
 	{
 		const PACKET_HEADER_MISMATCH = 1;
-	const BUFFER_NOT_EMPTY = 2;
+		const BUFFER_EMPTY = 2;
-
+		const BUFFER_NOT_EMPTY = 3;
-	const CHECKSUM_MISMATCH = 3;
+		const CHECKSUM_MISMATCH = 4;
 	}
 	
 	class AuthenticationException extends SourceQueryException

SourceQuery/Socket.class.php

@@ -1,7 +1,4 @@
 <?php
-use xPaw\SourceQuery\Exception\InvalidPacketException;
-use xPaw\SourceQuery\Exception\SocketException;
-
 	/**
 	 * Class written by xPaw
 	 *
@@ -9,6 +6,9 @@ use xPaw\SourceQuery\Exception\SocketException;
 	 * GitHub: https://github.com/xPaw/PHP-Source-Query-Class
 	 */
 	
+	use xPaw\SourceQuery\Exception\InvalidPacketException;
+	use xPaw\SourceQuery\Exception\SocketException;
+	
 	class SourceQuerySocket
 	{
 		public $Socket;

SourceQuery/SourceQuery.class.php

@@ -143,12 +143,12 @@
 			
 			if( !is_int( $Timeout ) || $Timeout < 0 )
 			{
-				throw new InvalidArgumentException("Timeout must be an integer.", InvalidArgumentException::TIMEOUT_NOT_INTEGER);
+				throw new InvalidArgumentException( 'Timeout must be an integer.', InvalidArgumentException::TIMEOUT_NOT_INTEGER );
 			}
 			
 			if( !$this->Socket->Open( $Ip, (int)$Port, $Timeout, (int)$Engine ) )
 			{
-				throw new TimeoutException("Could not connect to server.", TimeoutException::TIMEOUT_CONNECT);
+				throw new TimeoutException( 'Could not connect to server.', TimeoutException::TIMEOUT_CONNECT );
 			}
 			
 			$this->Connected = true;
@@ -279,7 +279,7 @@
 			
 			if( $Type !== self :: S2A_INFO )
 			{
-				throw new InvalidPacketException("GetInfo: Packet header mismatch. (0x' . DecHex( $Type ) . ')", InvalidPacketException::PACKET_HEADER_MISMATCH);
+				throw new InvalidPacketException( 'GetInfo: Packet header mismatch. (0x' . DecHex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 			}
 			
 			$Server[ 'Protocol' ]   = $this->Buffer->GetByte( );
@@ -344,7 +344,7 @@
 				
 				if( $this->Buffer->Remaining( ) > 0 )
 				{
-					throw new InvalidPacketException("GetInfo: unread data? " . $this->Buffer->Remaining( ) . " bytes remaining in the buffer. Please report it to the library developer.",
+					throw new InvalidPacketException( 'GetInfo: unread data? ' . $this->Buffer->Remaining( ) . ' bytes remaining in the buffer. Please report it to the library developer.',
 						InvalidPacketException::BUFFER_NOT_EMPTY );
 				}
 			}

SourceQuery/SourceRcon.class.php

@@ -1,7 +1,4 @@
 <?php
-use xPaw\SourceQuery\Exception\AuthenticationException;
-use xPaw\SourceQuery\Exception\TimeoutException;
-
 	/**
 	 * Class written by xPaw
 	 *
@@ -9,6 +6,10 @@ use xPaw\SourceQuery\Exception\TimeoutException;
 	 * GitHub: https://github.com/xPaw/PHP-Source-Query-Class
 	 */
 	
+	use xPaw\SourceQuery\Exception\AuthenticationException;
+	use xPaw\SourceQuery\Exception\TimeoutException;
+	use xPaw\SourceQuery\Exception\InvalidPacketException;
+	
 	class SourceQuerySourceRcon
 	{
 		/**
@@ -78,6 +79,11 @@ use xPaw\SourceQuery\Exception\TimeoutException;
 		{
 			$this->Buffer->Set( FRead( $this->RconSocket, $Length ) );
 			
+			if( $this->Buffer->Remaining( ) < 4 )
+			{
+				throw new InvalidPacketException( 'Rcon read: Failed to read any data from socket', InvalidPacketException::BUFFER_EMPTY );
+			}
+			
 			$PacketSize = $this->Buffer->GetLong( );
 			
 			$Buffer = $this->Buffer->Get( );
@@ -102,6 +108,7 @@ use xPaw\SourceQuery\Exception\TimeoutException;
 			$this->Read( );
 			
 			$this->Buffer->GetLong( ); // RequestID
+			
 			$Type = $this->Buffer->GetLong( );
 			
 			if( $Type === SourceQuery :: SERVERDATA_AUTH_RESPONSE )