Example usage for io.netty.channel.socket.nio NioDatagramChannel writeAndFlush

List of usage examples for io.netty.channel.socket.nio NioDatagramChannel writeAndFlush

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Introduction

In this page you can find the example usage for io.netty.channel.socket.nio NioDatagramChannel writeAndFlush.

Prototype

@Override
    public ChannelFuture writeAndFlush(Object msg)

Source Link

Usage

From source file:qotm.QuoteOfTheMomentClient.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup group = new NioEventLoopGroup();
    try {//from   w w w .jav  a 2s .  c o m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new ChannelInitializer<NioDatagramChannel>() {
                    @Override
                    protected void initChannel(NioDatagramChannel ch) throws Exception {
                        //ch.pipeline().addLast(new UdpEncoder());
                        //ch.pipeline().addLast(new QuoteOfTheMomentClientHandler());

                    }
                });

        Channel ch = b.bind(0).sync().channel();

        while (true) {
            // Broadcast the QOTM request to port 8080.
            ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                    SocketUtils.socketAddress("192.168.0.23", 124))).sync();
            // Broadcast the QOTM request to port 8080.
            ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                    SocketUtils.socketAddress("192.168.0.23", 123))).sync();
        }

        /*ch.writeAndFlush(new DatagramPacket(
            Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
            SocketUtils.socketAddress("192.168.0.23", 12345))).sync();*/

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
        // response is received.  If the channel is not closed within 5 seconds,
        // print an error message and quit.
        /*if (!ch.closeFuture().await(5000)) {
        System.err.println("QOTM request timed out.");
        }*/
    } finally {
        group.shutdownGracefully();
    }
}