SLIP classes don't need to depend on SLTP classes.

briar-core/src/net/sf/briar/reliability/ReliabilityLayerImpl.java

@@ -45,7 +45,7 @@ class ReliabilityLayerImpl implements ReliabilityLayer, WriteHandler {
 		SlipEncoder encoder = new SlipEncoder(this);
 		final Sender sender = new Sender(clock, encoder);
 		receiver = new Receiver(clock, sender);
-		decoder = new SlipDecoder(receiver);
+		decoder = new SlipDecoder(receiver, Data.MAX_LENGTH);
 		inputStream = new ReceiverInputStream(receiver);
 		outputStream = new SenderOutputStream(sender);
 		running = true;
@@ -97,12 +97,12 @@ class ReliabilityLayerImpl implements ReliabilityLayer, WriteHandler {
 		return outputStream;
 	}
 
-	// The transport calls this method to pass data up to the SLIP decoder
+	// The lower layer calls this method to pass data up to the SLIP decoder
 	public void handleRead(byte[] b) throws IOException {
 		if(running) decoder.handleRead(b);
 	}
 
-	// The SLIP encoder calls this method to pass data down to the transport
+	// The SLIP encoder calls this method to pass data down to the lower layer
 	public void handleWrite(byte[] b) {
 		if(running && b.length > 0) writes.add(b);
 	}

briar-core/src/net/sf/briar/reliability/SlipDecoder.java

@@ -11,13 +11,14 @@ class SlipDecoder implements ReadHandler {
 	private static final byte TEND = (byte) 220, TESC = (byte) 221;
 
 	private final ReadHandler readHandler;
+	private final byte[] buf;
 
-	private byte[] buf = new byte[Data.MAX_LENGTH];
 	private int decodedLength = 0;
 	private boolean escape = false;
 
-	SlipDecoder(ReadHandler readHandler) {
+	SlipDecoder(ReadHandler readHandler, int maxDecodedLength) {
 		this.readHandler = readHandler;
+		buf = new byte[maxDecodedLength];
 	}
 
 	public void handleRead(byte[] b) throws IOException {

briar-core/src/net/sf/briar/reliability/SlipEncoder.java

@@ -17,7 +17,6 @@ class SlipEncoder implements WriteHandler {
 	}
 
 	public void handleWrite(byte[] b) throws IOException {
-		if(b.length > Data.MAX_LENGTH) throw new IllegalArgumentException();
 		int encodedLength = b.length + 2;
 		for(int i = 0; i < b.length; i++)
 			if(b[i] == END || b[i] == ESC) encodedLength++;