package treeVnc;

import java.io.IOException;
import java.net.DatagramSocket;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;

public class DataInputStream2 extends DataInputStream1 {
	private DatagramChannel datagramChannel;

	public DataInputStream2(DatagramSocket broadcast) {
		super();
		datagramChannel = broadcast.getChannel();
	}
	
	@Override
	public void readFully(byte[] b, int off, int len) throws IOException {
		long count  = 0;
		ByteBuffer[] bf = {ByteBuffer.wrap(b)};
		while(count < len) {
			long i = datagramChannel.read(bf, off, len);
			if(i==-1) {
				throw new IOException();
			} 
			count += i;
		}
		buf = bf[0]; 
	}

}