RocketMQ网络通信——NettyRemotingServer

类图

start

 public void start() {
   
        // 初始化DefaultEventExecutorGroup
        this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(nettyServerConfig.getServerWorkerThreads(),
            new ThreadFactoryImpl("NettyServerCodecThread_"));
        // 初始化Sharable的Handler
        prepareSharableHandlers();

        // 设置ServerBootstrap
        serverBootstrap.group(this.eventLoopGroupBoss, this.eventLoopGroupSelector)
            .channel(useEpoll() ? EpollServerSocketChannel.class : NioServerSocketChannel.class)
            .option(ChannelOption.SO_BACKLOG, 1024)
            .option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.SO_KEEPALIVE, false)
            .childOption(ChannelOption.TCP_NODELAY, true)
            .localAddress(new InetSocketAddress(this.nettyServerConfig.getBindAddress(),
                this.nettyServerConfig.getListenPort()))
            .childHandler(new ChannelInitializer<SocketChannel>() {
   
                @Override
                public void initChannel(SocketChannel ch) {
   
                    // 向SocketChannel中添加hand