Netty服务端创建流程及组件职责

public class NettyServer {

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

        NioEventLoopGroup boosGruop = new NioEventLoopGroup();

        NioEventLoopGroup workerGroup = new NioEventLoopGroup();

        ServerBootstrap serverBootstrap = new ServerBootstrap();

        serverBootstrap.group(boosGruop,workerGroup)

                .channel(NioServerSocketChannel.class)

                .childHandler(new ChannelInitializer<NioSocketChannel>() {

                    @Override

                    protected void initChannel(NioSocketChannel nioSocketChannel) throws Exception {

                            nioSocketChannel.pipeline().addLast(new FirstServerHandler());

                    }

                });

        ChannelFuture f = serverBootstrap.bind(8000).sync();

        f.channel().closeFuture().sync();

    }

}