Example usage for io.netty.channel.oio OioEventLoopGroup OioEventLoopGroup

Introduction

In this page you can find the example usage for io.netty.channel.oio OioEventLoopGroup OioEventLoopGroup.

Prototype

public OioEventLoopGroup(int maxChannels, ThreadFactory threadFactory) 

Source Link

Document

Create a new OioEventLoopGroup .

Usage

From source file:com.gemstone.gemfire.redis.GemFireRedisServer.java

License:Apache License

/**
 * Helper method to start the server listening for connections. The
 * server is bound to the port specified by {@link GemFireRedisServer#serverPort}
 * /*  w w w.  j  a v a  2s.c o  m*/
 * @throws IOException
 * @throws InterruptedException
 */
private void startRedisServer() throws IOException, InterruptedException {
    ThreadFactory selectorThreadFactory = new ThreadFactory() {
        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GemFireRedisServer-SelectorThread-" + counter.incrementAndGet());
            t.setDaemon(true);
            return t;
        }

    };

    ThreadFactory workerThreadFactory = new ThreadFactory() {
        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GemFireRedisServer-WorkerThread-" + counter.incrementAndGet());
            return t;
        }

    };

    bossGroup = null;
    workerGroup = null;
    Class<? extends ServerChannel> socketClass = null;
    if (singleThreadPerConnection) {
        bossGroup = new OioEventLoopGroup(Integer.MAX_VALUE, selectorThreadFactory);
        workerGroup = new OioEventLoopGroup(Integer.MAX_VALUE, workerThreadFactory);
        socketClass = OioServerSocketChannel.class;
    } else {
        bossGroup = new NioEventLoopGroup(this.numSelectorThreads, selectorThreadFactory);
        workerGroup = new NioEventLoopGroup(this.numWorkerThreads, workerThreadFactory);
        socketClass = NioServerSocketChannel.class;
    }
    InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
    String pwd = system.getConfig().getRedisPassword();
    final byte[] pwdB = Coder.stringToBytes(pwd);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(socketClass).childHandler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            if (logger.fineEnabled())
                logger.fine("GemFireRedisServer-Connection established with " + ch.remoteAddress());
            ChannelPipeline p = ch.pipeline();
            p.addLast(ByteToCommandDecoder.class.getSimpleName(), new ByteToCommandDecoder());
            p.addLast(ExecutionHandlerContext.class.getSimpleName(),
                    new ExecutionHandlerContext(ch, cache, regionCache, GemFireRedisServer.this, pwdB));
        }
    }).option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_RCVBUF, getBufferSize())
            .childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, GemFireRedisServer.connectTimeoutMillis)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

    // Bind and start to accept incoming connections.
    ChannelFuture f = b.bind(new InetSocketAddress(getBindAddress(), serverPort)).sync();
    if (this.logger.infoEnabled()) {
        String logMessage = "GemFireRedisServer started {" + getBindAddress() + ":" + serverPort
                + "}, Selector threads: " + this.numSelectorThreads;
        if (this.singleThreadPerConnection)
            logMessage += ", One worker thread per connection";
        else
            logMessage += ", Worker threads: " + this.numWorkerThreads;
        this.logger.info(logMessage);
    }
    this.serverChannel = f.channel();
}

---

From source file:dorkbox.network.connection.Shutdownable.java

License:Apache License

/**
 * Creates a new event loop based on the specified configuration
 *
 * @param connectionType LOCAL, NIO, EPOLL, etc...
 * @param threadCount number of threads for the event loop
 *
 * @return a new event loop group based on the specified parameters
 *//*from  ww w.ja va 2 s  .  c  o  m*/
protected EventLoopGroup newEventLoop(final ConnectionType connectionType, final int threadCount,
        final String threadName) {
    NamedThreadFactory threadFactory = new NamedThreadFactory(threadName, threadGroup);

    EventLoopGroup group;

    switch (connectionType) {
    case LOCAL:
        group = new DefaultEventLoopGroup(threadCount, threadFactory);
        break;
    case OIO:
        group = new OioEventLoopGroup(threadCount, threadFactory);
        break;
    case NIO:
        group = new NioEventLoopGroup(threadCount, threadFactory);
        break;
    case EPOLL:
        group = new EpollEventLoopGroup(threadCount, threadFactory);
        break;
    case KQUEUE:
        group = new KQueueEventLoopGroup(threadCount, threadFactory);
        break;

    default:
        group = new DefaultEventLoopGroup(threadCount, threadFactory);
        break;
    }

    manageForShutdown(group);
    return group;
}

---

From source file:org.apache.geode.redis.GeodeRedisServer.java

License:Apache License

/**
 * Helper method to start the server listening for connections. The server is bound to the port
 * specified by {@link GeodeRedisServer#serverPort}
 * //from ww w .  j  a  v  a 2 s  . c o  m
 * @throws IOException
 * @throws InterruptedException
 */
private void startRedisServer() throws IOException, InterruptedException {
    ThreadFactory selectorThreadFactory = new ThreadFactory() {
        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GeodeRedisServer-SelectorThread-" + counter.incrementAndGet());
            t.setDaemon(true);
            return t;
        }

    };

    ThreadFactory workerThreadFactory = new ThreadFactory() {
        private final AtomicInteger counter = new AtomicInteger();

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("GeodeRedisServer-WorkerThread-" + counter.incrementAndGet());
            return t;
        }

    };

    bossGroup = null;
    workerGroup = null;
    Class<? extends ServerChannel> socketClass = null;
    if (singleThreadPerConnection) {
        bossGroup = new OioEventLoopGroup(Integer.MAX_VALUE, selectorThreadFactory);
        workerGroup = new OioEventLoopGroup(Integer.MAX_VALUE, workerThreadFactory);
        socketClass = OioServerSocketChannel.class;
    } else {
        bossGroup = new NioEventLoopGroup(this.numSelectorThreads, selectorThreadFactory);
        workerGroup = new NioEventLoopGroup(this.numWorkerThreads, workerThreadFactory);
        socketClass = NioServerSocketChannel.class;
    }
    InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
    String pwd = system.getConfig().getRedisPassword();
    final byte[] pwdB = Coder.stringToBytes(pwd);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(socketClass).childHandler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            if (logger.fineEnabled())
                logger.fine("GeodeRedisServer-Connection established with " + ch.remoteAddress());
            ChannelPipeline p = ch.pipeline();
            p.addLast(ByteToCommandDecoder.class.getSimpleName(), new ByteToCommandDecoder());
            p.addLast(ExecutionHandlerContext.class.getSimpleName(),
                    new ExecutionHandlerContext(ch, cache, regionCache, GeodeRedisServer.this, pwdB));
        }
    }).option(ChannelOption.SO_REUSEADDR, true).option(ChannelOption.SO_RCVBUF, getBufferSize())
            .childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, GeodeRedisServer.connectTimeoutMillis)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);

    // Bind and start to accept incoming connections.
    ChannelFuture f = b.bind(new InetSocketAddress(getBindAddress(), serverPort)).sync();
    if (this.logger.infoEnabled()) {
        String logMessage = "GeodeRedisServer started {" + getBindAddress() + ":" + serverPort
                + "}, Selector threads: " + this.numSelectorThreads;
        if (this.singleThreadPerConnection)
            logMessage += ", One worker thread per connection";
        else
            logMessage += ", Worker threads: " + this.numWorkerThreads;
        this.logger.info(logMessage);
    }
    this.serverChannel = f.channel();
}

---

From source file:org.elasticsearch.hadoop.http.netty4.Netty4HttpServerTransport.java

License:Apache License

@Override
protected void doStart() {
    this.serverOpenChannels = new Netty4OpenChannelsHandler(logger);

    serverBootstrap = new ServerBootstrap();
    if (blockingServer) {
        serverBootstrap/*w  ww .j  a v  a  2 s. co  m*/
                .group(new OioEventLoopGroup(workerCount, daemonThreadFactory(settings, "http_server_worker")));
        serverBootstrap.channel(OioServerSocketChannel.class);
    } else {
        serverBootstrap
                .group(new NioEventLoopGroup(workerCount, daemonThreadFactory(settings, "http_server_worker")));
        serverBootstrap.channel(NioServerSocketChannel.class);
    }

    serverBootstrap.childHandler(configureServerChannelHandler());

    serverBootstrap.childOption(ChannelOption.TCP_NODELAY, SETTING_HTTP_TCP_NO_DELAY.get(settings));
    serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, SETTING_HTTP_TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = SETTING_HTTP_TCP_SEND_BUFFER_SIZE.get(settings);
    if (tcpSendBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = SETTING_HTTP_TCP_RECEIVE_BUFFER_SIZE.get(settings);
    if (tcpReceiveBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_RCVBUF, Math.toIntExact(tcpReceiveBufferSize.bytes()));
    }

    serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
    serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = SETTING_HTTP_TCP_REUSE_ADDRESS.get(settings);
    serverBootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, reuseAddress);

    this.boundAddress = createBoundHttpAddress();
}

---

From source file:org.elasticsearch.hadoop.transport.netty4.Netty4Transport.java

License:Apache License

private Bootstrap createBootstrap() {
    final Bootstrap bootstrap = new Bootstrap();
    if (TCP_BLOCKING_CLIENT.get(settings)) {
        bootstrap.group(new OioEventLoopGroup(1,
                daemonThreadFactory(settings, TRANSPORT_CLIENT_WORKER_THREAD_NAME_PREFIX)));
        bootstrap.channel(OioSocketChannel.class);
    } else {//from   w  ww.ja  va  2s  .c o  m
        bootstrap.group(new NioEventLoopGroup(workerCount,
                daemonThreadFactory(settings, TRANSPORT_CLIENT_BOSS_THREAD_NAME_PREFIX)));
        bootstrap.channel(NioSocketChannel.class);
    }

    bootstrap.handler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast("size", new Netty4SizeHeaderFrameDecoder());
            // using a dot as a prefix means this cannot come from any settings parsed
            ch.pipeline().addLast("dispatcher",
                    new Netty4MessageChannelHandler(Netty4Transport.this, ".client"));
        }

    });

    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, Math.toIntExact(connectTimeout.millis()));
    bootstrap.option(ChannelOption.TCP_NODELAY, TCP_NO_DELAY.get(settings));
    bootstrap.option(ChannelOption.SO_KEEPALIVE, TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = TCP_SEND_BUFFER_SIZE.get(settings);
    if (tcpSendBufferSize.bytes() > 0) {
        bootstrap.option(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = TCP_RECEIVE_BUFFER_SIZE.get(settings);
    if (tcpReceiveBufferSize.bytes() > 0) {
        bootstrap.option(ChannelOption.SO_RCVBUF, Math.toIntExact(tcpReceiveBufferSize.bytes()));
    }

    bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = TCP_REUSE_ADDRESS.get(settings);
    bootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);

    bootstrap.validate();

    return bootstrap;
}

---

From source file:org.elasticsearch.hadoop.transport.netty4.Netty4Transport.java

License:Apache License

private void createServerBootstrap(String name, Settings settings) {
    if (logger.isDebugEnabled()) {
        logger.debug(//from w w  w  . ja  v  a2s.  c  o m
                "using profile[{}], worker_count[{}], port[{}], bind_host[{}], publish_host[{}], compress[{}], "
                        + "connect_timeout[{}], connections_per_node[{}/{}/{}/{}/{}], receive_predictor[{}->{}]",
                name, workerCount, settings.get("port"), settings.get("bind_host"),
                settings.get("publish_host"), compress, connectTimeout, connectionsPerNodeRecovery,
                connectionsPerNodeBulk, connectionsPerNodeReg, connectionsPerNodeState, connectionsPerNodePing,
                receivePredictorMin, receivePredictorMax);
    }

    final ThreadFactory workerFactory = daemonThreadFactory(this.settings,
            HTTP_SERVER_WORKER_THREAD_NAME_PREFIX, name);

    final ServerBootstrap serverBootstrap = new ServerBootstrap();

    if (TCP_BLOCKING_SERVER.get(settings)) {
        serverBootstrap.group(new OioEventLoopGroup(workerCount, workerFactory));
        serverBootstrap.channel(OioServerSocketChannel.class);
    } else {
        serverBootstrap.group(new NioEventLoopGroup(workerCount, workerFactory));
        serverBootstrap.channel(NioServerSocketChannel.class);
    }

    serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast("open_channels", Netty4Transport.this.serverOpenChannels);
            ch.pipeline().addLast("size", new Netty4SizeHeaderFrameDecoder());
            ch.pipeline().addLast("dispatcher", new Netty4MessageChannelHandler(Netty4Transport.this, name));
        }
    });

    serverBootstrap.childOption(ChannelOption.TCP_NODELAY, TCP_NO_DELAY.get(settings));
    serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = TCP_SEND_BUFFER_SIZE.getDefault(settings);
    if (tcpSendBufferSize != null && tcpSendBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = TCP_RECEIVE_BUFFER_SIZE.getDefault(settings);
    if (tcpReceiveBufferSize != null && tcpReceiveBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_RCVBUF,
                Math.toIntExact(tcpReceiveBufferSize.bytesAsInt()));
    }

    serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
    serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = TCP_REUSE_ADDRESS.get(settings);
    serverBootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, reuseAddress);

    serverBootstrap.validate();

    serverBootstraps.put(name, serverBootstrap);
}

---

From source file:org.elasticsearch.http.netty4.Netty4HttpServerTransport.java

License:Apache License

@Override
protected void doStart() {
    this.serverOpenChannels = new Netty4OpenChannelsHandler(logger);

    serverBootstrap = new ServerBootstrap();
    if (blockingServer) {
        serverBootstrap.group(new OioEventLoopGroup(workerCount,
                daemonThreadFactory(settings, HTTP_SERVER_WORKER_THREAD_NAME_PREFIX)));
        serverBootstrap.channel(OioServerSocketChannel.class);
    } else {// ww w.  java 2  s .  c  o m
        serverBootstrap.group(new NioEventLoopGroup(workerCount,
                daemonThreadFactory(settings, HTTP_SERVER_WORKER_THREAD_NAME_PREFIX)));
        serverBootstrap.channel(NioServerSocketChannel.class);
    }

    serverBootstrap.childHandler(configureServerChannelHandler());

    serverBootstrap.childOption(ChannelOption.TCP_NODELAY, SETTING_HTTP_TCP_NO_DELAY.get(settings));
    serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, SETTING_HTTP_TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = SETTING_HTTP_TCP_SEND_BUFFER_SIZE.get(settings);
    if (tcpSendBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = SETTING_HTTP_TCP_RECEIVE_BUFFER_SIZE.get(settings);
    if (tcpReceiveBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_RCVBUF, Math.toIntExact(tcpReceiveBufferSize.bytes()));
    }

    serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
    serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = SETTING_HTTP_TCP_REUSE_ADDRESS.get(settings);
    serverBootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, reuseAddress);

    this.boundAddress = createBoundHttpAddress();
}

---

From source file:org.elasticsearch.transport.netty4.Netty4Transport.java

License:Apache License

private Bootstrap createBootstrap() {
    final Bootstrap bootstrap = new Bootstrap();
    if (TCP_BLOCKING_CLIENT.get(settings)) {
        bootstrap.group(new OioEventLoopGroup(1,
                daemonThreadFactory(settings, TRANSPORT_CLIENT_WORKER_THREAD_NAME_PREFIX)));
        bootstrap.channel(OioSocketChannel.class);
    } else {/*from w w  w.  j a v  a 2 s .  com*/
        bootstrap.group(new NioEventLoopGroup(workerCount,
                daemonThreadFactory(settings, TRANSPORT_CLIENT_BOSS_THREAD_NAME_PREFIX)));
        bootstrap.channel(NioSocketChannel.class);
    }

    bootstrap.handler(getClientChannelInitializer());

    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, Math.toIntExact(connectTimeout.millis()));
    bootstrap.option(ChannelOption.TCP_NODELAY, TCP_NO_DELAY.get(settings));
    bootstrap.option(ChannelOption.SO_KEEPALIVE, TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = TCP_SEND_BUFFER_SIZE.get(settings);
    if (tcpSendBufferSize.bytes() > 0) {
        bootstrap.option(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = TCP_RECEIVE_BUFFER_SIZE.get(settings);
    if (tcpReceiveBufferSize.bytes() > 0) {
        bootstrap.option(ChannelOption.SO_RCVBUF, Math.toIntExact(tcpReceiveBufferSize.bytes()));
    }

    bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = TCP_REUSE_ADDRESS.get(settings);
    bootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);

    bootstrap.validate();

    return bootstrap;
}

---

From source file:org.elasticsearch.transport.netty4.Netty4Transport.java

License:Apache License

private void createServerBootstrap(String name, Settings settings) {
    if (logger.isDebugEnabled()) {
        logger.debug(//from   w  w w .  ja  va2  s.  co m
                "using profile[{}], worker_count[{}], port[{}], bind_host[{}], publish_host[{}], compress[{}], "
                        + "connect_timeout[{}], connections_per_node[{}/{}/{}/{}/{}], receive_predictor[{}->{}]",
                name, workerCount, settings.get("port"), settings.get("bind_host"),
                settings.get("publish_host"), compress, connectTimeout, connectionsPerNodeRecovery,
                connectionsPerNodeBulk, connectionsPerNodeReg, connectionsPerNodeState, connectionsPerNodePing,
                receivePredictorMin, receivePredictorMax);
    }

    final ThreadFactory workerFactory = daemonThreadFactory(this.settings,
            TRANSPORT_SERVER_WORKER_THREAD_NAME_PREFIX, name);

    final ServerBootstrap serverBootstrap = new ServerBootstrap();

    if (TCP_BLOCKING_SERVER.get(settings)) {
        serverBootstrap.group(new OioEventLoopGroup(workerCount, workerFactory));
        serverBootstrap.channel(OioServerSocketChannel.class);
    } else {
        serverBootstrap.group(new NioEventLoopGroup(workerCount, workerFactory));
        serverBootstrap.channel(NioServerSocketChannel.class);
    }

    serverBootstrap.childHandler(getServerChannelInitializer(name, settings));

    serverBootstrap.childOption(ChannelOption.TCP_NODELAY, TCP_NO_DELAY.get(settings));
    serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, TCP_KEEP_ALIVE.get(settings));

    final ByteSizeValue tcpSendBufferSize = TCP_SEND_BUFFER_SIZE.getDefault(settings);
    if (tcpSendBufferSize != null && tcpSendBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_SNDBUF, Math.toIntExact(tcpSendBufferSize.bytes()));
    }

    final ByteSizeValue tcpReceiveBufferSize = TCP_RECEIVE_BUFFER_SIZE.getDefault(settings);
    if (tcpReceiveBufferSize != null && tcpReceiveBufferSize.bytes() > 0) {
        serverBootstrap.childOption(ChannelOption.SO_RCVBUF,
                Math.toIntExact(tcpReceiveBufferSize.bytesAsInt()));
    }

    serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
    serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);

    final boolean reuseAddress = TCP_REUSE_ADDRESS.get(settings);
    serverBootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
    serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, reuseAddress);

    serverBootstrap.validate();

    serverBootstraps.put(name, serverBootstrap);
}

---