Example usage for io.netty.bootstrap ServerBootstrap group

List of usage examples for io.netty.bootstrap ServerBootstrap group

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Introduction

In this page you can find the example usage for io.netty.bootstrap ServerBootstrap group.

Prototype

public ServerBootstrap group(EventLoopGroup parentGroup, EventLoopGroup childGroup)

Source Link

Document

Set the EventLoopGroup for the parent (acceptor) and the child (client).

Usage

From source file:com.github.nettybook.ch7.junit.TelnetServerV3.java

License:Apache License

public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from w  w w  .ja v a 2s .  c  om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new TelnetServerInitializerV3());

        ChannelFuture future = b.bind(address).sync();

        future.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch8.HttpSnoopServer.java

License:Apache License

@SuppressWarnings("deprecation")
public static void main(String[] args) throws Exception {
    SslContext sslCtx = null;/*from  www .java 2  s.c o m*/

    try {
        File certChainFile = new File("netty.crt");
        File keyFile = new File("privatekey.pem");
        keyFile.exists();

        sslCtx = SslContext.newServerContext(certChainFile, keyFile, "1234");
    } catch (SSLException e) {
        e.printStackTrace();
        System.out.println("Can not create SSL context! \n Server will be stop!");
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new HttpSnoopServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch8.TelnetServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w w  w  .  j a v a  2s.  c o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new TelnetServerInitializer());

        b.bind(listenPort).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.sinsinpub.pero.frontend.NettySocksServer.java

License:Apache License

public void run() throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1, ThreadFactoryRepository.BOSS_GORUP);
    EventLoopGroup workerGroup = new NioEventLoopGroup(getMaxWorkerThreads(),
            ThreadFactoryRepository.WORKER_GROUP);
    try {//from w ww .ja va 2s.com
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(getSocksServerInitializer());
        ChannelFuture cf = b.bind(getPort()).sync();
        logger.info(
                String.format("Proxy server %s %s started.", ApplicationVersion.DEFAULT.getApplicationName(),
                        ApplicationVersion.DEFAULT.getApplicationVersion()));
        cf.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.unafraid.signer.server.ServerManager.java

License:Apache License

private void init() {
    SslContext sslCtx = null;//from w ww  . j  a v a2  s . com
    if (SSL) {
        try {
            final SelfSignedCertificate ssc = new SelfSignedCertificate("localhost");
            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } catch (Exception e) {
            LOGGER.warn(e.getMessage(), e);
        }
    }

    InetAddress listenAddress;
    try {
        listenAddress = Inet4Address.getByName(HOSTNAME);
    } catch (Exception e) {
        LOGGER.warn("Incorrect listen ip specified: {} using localhost instead!", HOSTNAME);
        listenAddress = Inet4Address.getLoopbackAddress();
    }
    final EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    final EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        final ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ServerInitializer(sslCtx));

        // Start listening
        final Channel ch = b.bind(listenAddress, PORT).sync().channel();

        LOGGER.info("Open your web browser and navigate to {}://{}{}/", (SSL ? "https" : "http"),
                listenAddress.getHostAddress(), (PORT != 443 && PORT != 80 ? ":" + PORT : ""));

        // Block til closed
        ch.closeFuture().sync();

    } catch (Exception e) {
        LOGGER.warn("Failed to initialize server: ", e);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.vitrifiedcode.javautilities.netty.DiscardServer.java

License:Open Source License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(); // (1)
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from  w w w .  ja va  2  s . co  m*/
        ServerBootstrap b = new ServerBootstrap(); // (2)
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) // (3)
                .childHandler(new ChannelInitializer<SocketChannel>() { // (4)
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new DiscardServerHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 128) // (5)
                .childOption(ChannelOption.SO_KEEPALIVE, true); // (6)

        // Bind and start to accept incoming connections.
        ChannelFuture f = b.bind(port).sync(); // (7)

        // Wait until the server socket is closed.
        // In this example, this does not happen, but you can do that to gracefully
        // shut down your server.
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.github.wangshuwei5.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO//  w  w  w.ja  va  2  s.  c o m
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new NettyServerInitializer(SSLMODE.CSA.toString()));

        // ???
        ChannelFuture f = b.bind(NettyConstant.REMOTEIP, NettyConstant.PORT).sync();

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

        System.out.println("Netty server start ok : " + (NettyConstant.REMOTEIP + " : " + NettyConstant.PORT));
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.wolf480pl.ircd.netty.NettyServer.java

License:Open Source License

public ChannelFuture start() {
    if (!started.compareAndSet(false, true)) {
        return null;
    }//from   w  ww. jav  a2  s  .  com

    ServerBootstrap bootstrap = new ServerBootstrap();
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();

    IRCChannelInitializer initializer = new IRCChannelInitializer(handler);

    bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(initializer)
            .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true);

    ChannelFuture future = bootstrap.bind(bindAddress);
    this.channel = future.channel();
    return future;
}

From source file:com.github.zk1931.jzab.NettyTransport.java

License:Apache License

/**
 * Constructs a NettyTransport object./*  w ww  . j a  v a2 s  .  c o  m*/
 *
 * @param hostPort "hostname:port" string. The netty transport binds to the
 *                 port specified in the string.
 * @param receiver receiver callback.
 * @param sslParam Ssl parameters.
 * @param dir the directory used to store the received file.
 */
public NettyTransport(String hostPort, final Receiver receiver, ZabConfig.SslParameters sslParam,
        final File dir) throws InterruptedException, GeneralSecurityException, IOException {
    super(receiver);
    this.keyStore = sslParam.getKeyStore();
    this.trustStore = sslParam.getTrustStore();
    this.keyStorePassword = sslParam.getKeyStorePassword() != null
            ? sslParam.getKeyStorePassword().toCharArray()
            : null;
    this.trustStorePassword = sslParam.getTrustStorePassword() != null
            ? sslParam.getTrustStorePassword().toCharArray()
            : null;
    this.dir = dir;
    if (isSslEnabled()) {
        initSsl();
    }

    this.hostPort = hostPort;
    String[] address = hostPort.split(":", 2);
    int port = Integer.parseInt(address[1]);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 128)
            .option(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.TCP_NODELAY, true).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    if (isSslEnabled()) {
                        SSLEngine engine = serverContext.createSSLEngine();
                        engine.setUseClientMode(false);
                        engine.setNeedClientAuth(true);
                        ch.pipeline().addLast(new SslHandler(engine));
                    }
                    // Incoming handlers
                    ch.pipeline().addLast(new MainHandler());
                    ch.pipeline().addLast(new ServerHandshakeHandler());
                    ch.pipeline().addLast(new NotifyHandler());
                    ch.pipeline().addLast(new ServerErrorHandler());
                }
            });

    // Travis build fails once in a while because it fails to bind to a port.
    // This is most likely a transient failure. Retry binding for 5 times with
    // 1 second sleep in between before giving up.
    int bindRetryCount = 5;
    for (int i = 0;; i++) {
        try {
            channel = b.bind(port).sync().channel();
            LOG.info("Server started: {}", hostPort);
            return;
        } catch (Exception ex) {
            if (i >= bindRetryCount) {
                throw ex;
            }
            LOG.debug("Failed to bind to {}. Retrying after 1 second.", hostPort);
            Thread.sleep(1000);
        }
    }
}

From source file:com.github.zk1931.jzab.transport.NettyTransport.java

License:Apache License

/**
 * Constructs a NettyTransport object.// www  . j ava  2  s . co  m
 *
 * @param hostPort "hostname:port" string. The netty transport binds to the
 *                 port specified in the string.
 * @param receiver receiver callback.
 * @param sslParam Ssl parameters.
 * @param dir the directory used to store the received file.
 */
public NettyTransport(String hostPort, final Receiver receiver, SslParameters sslParam, final File dir)
        throws InterruptedException, GeneralSecurityException, IOException {
    super(receiver);
    this.keyStore = sslParam.getKeyStore();
    this.trustStore = sslParam.getTrustStore();
    this.keyStorePassword = sslParam.getKeyStorePassword() != null
            ? sslParam.getKeyStorePassword().toCharArray()
            : null;
    this.trustStorePassword = sslParam.getTrustStorePassword() != null
            ? sslParam.getTrustStorePassword().toCharArray()
            : null;
    this.dir = dir;
    if (isSslEnabled()) {
        initSsl();
    }

    this.hostPort = hostPort;
    String[] address = hostPort.split(":", 2);
    int port = Integer.parseInt(address[1]);
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 128)
            .option(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.TCP_NODELAY, true).childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    if (isSslEnabled()) {
                        SSLEngine engine = serverContext.createSSLEngine();
                        engine.setUseClientMode(false);
                        engine.setNeedClientAuth(true);
                        ch.pipeline().addLast(new SslHandler(engine));
                    }
                    // Incoming handlers
                    ch.pipeline().addLast(new MainHandler());
                    ch.pipeline().addLast(new ServerHandshakeHandler());
                    ch.pipeline().addLast(new NotifyHandler());
                    ch.pipeline().addLast(new ErrorHandler());
                    // Outgoing handlers.
                    ch.pipeline().addLast("frameEncoder", new LengthFieldPrepender(4));
                }
            });

    // Travis build fails once in a while because it fails to bind to a port.
    // This is most likely a transient failure. Retry binding for 5 times with
    // 1 second sleep in between before giving up.
    int bindRetryCount = 5;
    for (int i = 0;; i++) {
        try {
            channel = b.bind(port).sync().channel();
            LOG.info("Server started: {}", hostPort);
            return;
        } catch (Exception ex) {
            if (i >= bindRetryCount) {
                throw ex;
            }
            LOG.debug("Failed to bind to {}. Retrying after 1 second.", hostPort);
            Thread.sleep(1000);
        }
    }
}