Updated transport constants and renamed some test classes.

test/net/sf/briar/transport/NullOutgoingEncryptionLayer.java

@@ -0,0 +1,35 @@
+package net.sf.briar.transport;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/** An encryption layer that performs no encryption. */
+class NullOutgoingEncryptionLayer implements OutgoingEncryptionLayer {
+
+	private final OutputStream out;
+
+	private long capacity;
+
+	NullOutgoingEncryptionLayer(OutputStream out) {
+		this.out = out;
+		capacity = Long.MAX_VALUE;
+	}
+
+	NullOutgoingEncryptionLayer(OutputStream out, long capacity) {
+		this.out = out;
+		this.capacity = capacity;
+	}
+
+	public void writeFrame(byte[] b, int len) throws IOException {
+		out.write(b, 0, len);
+		capacity -= len;
+	}
+
+	public void flush() throws IOException {
+		out.flush();
+	}
+
+	public long getRemainingCapacity() {
+		return capacity;
+	}
+}