UptimeServer Class — netty Architecture

Source Code

example/src/main/java/io/netty/example/uptime/UptimeServer.java lines 33–65

public final class UptimeServer {
    private static final int PORT = Integer.parseInt(System.getProperty("port", "8080"));
    private static final UptimeServerHandler handler = new UptimeServerHandler();

    private UptimeServer() {
    }

    public static void main(String[] args) throws Exception {
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(NioIoHandler.newFactory());
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(group)
                    .channel(NioServerSocketChannel.class)
                    .handler(new LoggingHandler(LogLevel.INFO))
                    .childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) {
                            ch.pipeline().addLast(handler);
                        }
                    });

            // Bind and start to accept incoming connections.
            ChannelFuture f = b.bind(PORT).sync();

            // Wait until the server socket is closed.
            // In this example, this does not happen, but you can do that to gracefully
            // shut down your server.
            f.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully();
        }
    }
}