MsgEchoClient Class — netty Architecture

Source Code

example/src/main/java/io/netty/example/udt/echo/message/MsgEchoClient.java lines 41–77

public final class MsgEchoClient {

    private static final Logger log = Logger.getLogger(MsgEchoClient.class.getName());

    static final String HOST = System.getProperty("host", "127.0.0.1");
    static final int PORT = Integer.parseInt(System.getProperty("port", "8007"));
    static final int SIZE = Integer.parseInt(System.getProperty("size", "256"));

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

        // Configure the client.
        final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
        final EventLoopGroup connectGroup = new MultiThreadIoEventLoopGroup(1,
                connectFactory, NioIoHandler.newFactory(NioUdtProvider.MESSAGE_PROVIDER));
        try {
            final Bootstrap boot = new Bootstrap();
            boot.group(connectGroup)
                    .channelFactory(NioUdtProvider.MESSAGE_CONNECTOR)
                    .handler(new ChannelInitializer<UdtChannel>() {
                        @Override
                        public void initChannel(final UdtChannel ch)
                                throws Exception {
                            ch.pipeline().addLast(
                                    new LoggingHandler(LogLevel.INFO),
                                    new MsgEchoClientHandler());
                        }
                    });
            // Start the client.
            final ChannelFuture f = boot.connect(HOST, PORT).sync();
            // Wait until the connection is closed.
            f.channel().closeFuture().sync();
        } finally {
            // Shut down the event loop to terminate all threads.
            connectGroup.shutdownGracefully();
        }
    }
}