PeerBuilder slaveMaker = new PeerBuilder(new Number160(rnd)).ports(4002);
slave = slaveMaker.enableMaintenance(false).start();
System.err.println("peers up and running");
slave.rawDataReply(new RawDataReply() {
@Override
public Buffer reply(PeerAddress sender, Buffer requestBuffer, boolean last) throws Exception {
final byte[] b1 = new byte[10000];
int i = requestBuffer.buffer().getInt(0);
ByteBuf buf = Unpooled.wrappedBuffer(b1);