Example usage for io.netty.channel.epoll EpollEventLoopGroup shutdownGracefully

Introduction

In this page you can find the example usage for io.netty.channel.epoll EpollEventLoopGroup shutdownGracefully.

Prototype

@Override
    public Future<?> shutdownGracefully() 

Source Link

Usage

From source file:net.NettyEngine4.ServerServiceImpl.java

License:Apache License

/**
 * jni native Epoll/* w  w  w . j  a  v  a 2  s .co  m*/
 #NioEventLoopGroup  EpollEventLoopGroup   ---- EventLoopGroup ?
 #NioEventLoop  EpollEventLoop
 #NioServerSocketChannel  EpollServerSocketChannel
 #NioSocketChannel  EpollSocketChannel        ---- SocketChannel?
        
 ## RHEL/CentOS/Fedora:
 #sudo yum install autoconf automake libtool glibc-devel.i686 glibc-devel libgcc.i686 make
 ## Debian/Ubuntu:
 #sudo apt-get install autoconf automake libtool make gcc-multilib
 * @throws Exception
 */
@Override
public void runNativeEpoll() throws Exception {
    EpollEventLoopGroup BossEventLoopGroup = new EpollEventLoopGroup(0x1,
            new PriorityThreadFactory("@+?", Thread.NORM_PRIORITY)); //mainReactor    1
    EpollEventLoopGroup WorkerEventLoopGroup = new EpollEventLoopGroup(
            Runtime.getRuntime().availableProcessors() + 0x1,
            new PriorityThreadFactory("@+I/O", Thread.NORM_PRIORITY)); //subReactor       ?cpu+1
    ServerBootstrap serverBootstrap = new ServerBootstrap();
    try {
        serverBootstrap.group(BossEventLoopGroup, WorkerEventLoopGroup).channel(EpollServerSocketChannel.class)
                .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true)
                .childOption(ChannelOption.SO_REUSEADDR, true) //??
                .childOption(ChannelOption.ALLOCATOR, new PooledByteBufAllocator(false))// heap buf 's better
                .childOption(ChannelOption.SO_RCVBUF, 1048576).childOption(ChannelOption.SO_SNDBUF, 1048576)
                .childHandler(new ServerChannelInitializer());//used to serve the request for the {@link Channel}'s
        // Bind and start to accept incoming connections.
        ChannelFuture channelFuture = serverBootstrap
                .bind(new InetSocketAddress(Config.DEFAULT_VALUE.SERVER_VALUE.gameserverPort)).sync();
        if (LOGGER.isDebugEnabled())
            LOGGER.debug("server??:" + Config.DEFAULT_VALUE.SERVER_VALUE.gameserverPort);
        // Wait until the server socket is closed.
        // In this server, this does not happen, but you can do that to gracefully
        // shut down your server.
        channelFuture.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        BossEventLoopGroup.shutdownGracefully();
        WorkerEventLoopGroup.shutdownGracefully();
    }
}

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