Package io.netty.bootstrap

Examples of io.netty.bootstrap.ConnectionlessBootstrap

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    public void run() {
        DatagramChannelFactory f =
            new NioDatagramChannelFactory(Executors.newCachedThreadPool());

        ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);

        // Configure the pipeline factory.
        b.setPipelineFactory(new ChannelPipelineFactory() {
            public ChannelPipeline getPipeline() throws Exception {
                return Channels.pipeline(
                        new StringEncoder(CharsetUtil.ISO_8859_1),
                        new StringDecoder(CharsetUtil.ISO_8859_1),
                        new QuoteOfTheMomentClientHandler());
            }
        });

        // Enable broadcast
        b.setOption("broadcast", "true");

        // Allow packets as large as up to 1024 bytes (default is 768).
        // You could increase or decrease this value to avoid truncated packets
        // or to improve memory footprint respectively.
        //
        // Please also note that a large UDP packet might be truncated or
        // dropped by your router no matter how you configured this option.
        // In UDP, a packet is truncated or dropped if it is larger than a
        // certain size, depending on router configuration.  IPv4 routers
        // truncate and IPv6 routers drop a large packet.  That's why it is
        // safe to send small packets in UDP.
        b.setOption(
                "receiveBufferSizePredictorFactory",
                new FixedReceiveBufferSizePredictorFactory(1024));

        DatagramChannel c = (DatagramChannel) b.bind(new InetSocketAddress(0));

        // Broadcast the QOTM request to port 8080.
        c.write("QOTM?", new InetSocketAddress("255.255.255.255", port));

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
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    public void run() {
        DatagramChannelFactory f =
            new NioDatagramChannelFactory(Executors.newCachedThreadPool());

        ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);

        // Configure the pipeline factory.
        b.setPipelineFactory(new ChannelPipelineFactory() {
            public ChannelPipeline getPipeline() throws Exception {
                return Channels.pipeline(
                        new StringEncoder(CharsetUtil.ISO_8859_1),
                        new StringDecoder(CharsetUtil.ISO_8859_1),
                        new QuoteOfTheMomentServerHandler());
            }
        });

        // Enable broadcast
        b.setOption("broadcast", "false");

        // Allow packets as large as up to 1024 bytes (default is 768).
        // You could increase or decrease this value to avoid truncated packets
        // or to improve memory footprint respectively.
        //
        // Please also note that a large UDP packet might be truncated or
        // dropped by your router no matter how you configured this option.
        // In UDP, a packet is truncated or dropped if it is larger than a
        // certain size, depending on router configuration.  IPv4 routers
        // truncate and IPv6 routers drop a large packet.  That's why it is
        // safe to send small packets in UDP.
        b.setOption(
                "receiveBufferSizePredictorFactory",
                new FixedReceiveBufferSizePredictorFactory(1024));

        // Bind to the port and start the service.
        b.bind(new InetSocketAddress(port));
    }
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Related Classes of io.netty.bootstrap.ConnectionlessBootstrap

  • io.netty.channel.Channel
  • io.netty.channel.ChannelFuture
  • io.netty.channel.ChannelPipeline
  • io.netty.example.qotm.QuoteOfTheMomentClient
  • io.netty.example.qotm.QuoteOfTheMomentServer
  • io.netty.channel.ChannelException
  • io.netty.channel.ChannelPipelineException
  • java.net.SocketAddress
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