BgpSessionManager.java 文件源码

public void start() {
    log.debug("BGP Session Manager start.");
    isShutdown = false;

    ChannelFactory channelFactory = new NioServerSocketChannelFactory(
            newCachedThreadPool(groupedThreads("onos/bgp", "sm-boss-%d", log)),
            newCachedThreadPool(groupedThreads("onos/bgp", "sm-worker-%d", log)));
    ChannelPipelineFactory pipelineFactory = () -> {
        // Allocate a new session per connection
        BgpSession bgpSessionHandler =
                new BgpSession(BgpSessionManager.this);
        BgpFrameDecoder bgpFrameDecoder =
                new BgpFrameDecoder(bgpSessionHandler);

        // Setup the processing pipeline
        ChannelPipeline pipeline = Channels.pipeline();
        pipeline.addLast("BgpFrameDecoder", bgpFrameDecoder);
        pipeline.addLast("BgpSession", bgpSessionHandler);
        return pipeline;
    };
    InetSocketAddress listenAddress =
            new InetSocketAddress(bgpPort);

    serverBootstrap = new ServerBootstrap(channelFactory);
    // serverBootstrap.setOptions("reuseAddr", true);
    serverBootstrap.setOption("child.keepAlive", true);
    serverBootstrap.setOption("child.tcpNoDelay", true);
    serverBootstrap.setPipelineFactory(pipelineFactory);
    try {
        serverChannel = serverBootstrap.bind(listenAddress);
        allChannels.add(serverChannel);
    } catch (ChannelException e) {
        log.debug("Exception binding to BGP port {}: ",
                  listenAddress.getPort(), e);
    }
}