gistfile1.java

public class OutboundHandler extends ChannelOutboundHandlerAdapter{

    @Override
    public void bind(ChannelHandlerContext ctx, SocketAddress localAddress, ChannelPromise promise) throws Exception {

        System.out.println("Bind happened");
        System.out.println(localAddress);
        InetSocketAddress ipSocketAddress = new InetSocketAddress("255.255.255.255", 7686);

        ByteBuf byteBuf = Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8);

        DatagramPacket udpPacket = new DatagramPacket(byteBuf, ipSocketAddress);

        ctx.write(udpPacket);

    }

    @Override
    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
        System.out.println("Write is never called!");
    }

}