Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

List of usage examples for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

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Introduction

In this page you can find the example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup.

Prototype

public NioEventLoopGroup(ThreadFactory threadFactory)

Source Link

Document

Create a new instance using the default number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:cn.david.main.EchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/* w  ww .j  a v  a2s  .  c o m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } else {
        sslCtx = null;
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    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 ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cn.david.main.PersonServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/* w  ww  . j  ava 2  s .  c  om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ServerInitializer());

        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cn.david.socks.SocksServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from ww w. j  ava 2  s  .com
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new SocksServerInitializer());
        b.bind(PORT).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:cn.npt.net.websocket.WebSocketServer.java

License:Apache License

private void init(int port, boolean ssl, String webSocketPath) throws Exception {
    final SslContext sslCtx;
    if (this.ssl) {
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {//from   w w w . j  av a 2  s  . c o m
        sslCtx = null;
    }

    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new WebSocketServerInitializer(sslCtx, webSocketPath, ssl));

        Channel ch = b.bind(this.port).sync().channel();

        ch.closeFuture().sync();//
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
    System.out.println("start websocket...");
}

From source file:cn.scujcc.bug.bitcoinplatformandroid.util.socket.websocket.WebSocketBase.java

License:Apache License

private void connect() {
    try {/*from   ww  w. ja v a 2s. c o  m*/
        final URI uri = new URI(url);
        if (uri == null) {
            return;
        }
        if (uri.getHost().contains("com")) {
            siteFlag = 1;
        }
        group = new NioEventLoopGroup(1);
        bootstrap = new Bootstrap();
        final SslContext sslCtx = SslContext.newClientContext();
        final WebSocketClientHandler handler = new WebSocketClientHandler(
                WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13, null, false,
                        new DefaultHttpHeaders(), Integer.MAX_VALUE),
                service, moniter);
        bootstrap.group(group).option(ChannelOption.TCP_NODELAY, true).channel(NioSocketChannel.class)
                .handler(new ChannelInitializer<SocketChannel>() {
                    protected void initChannel(SocketChannel ch) {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), uri.getHost(), uri.getPort()));
                        }
                        p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler);
                    }
                });

        future = bootstrap.connect(uri.getHost(), uri.getPort());
        future.addListener(new ChannelFutureListener() {
            public void operationComplete(final ChannelFuture future) throws Exception {
            }
        });
        channel = future.sync().channel();
        handler.handshakeFuture().sync();
        this.setStatus(true);
    } catch (Exception e) {
        Log.e(TAG, "WebSocketClient start error " + e.getLocalizedMessage());
        group.shutdownGracefully();
        this.setStatus(false);
    }
}

From source file:co.rsk.net.discovery.UDPServer.java

License:Open Source License

public void startUDPServer() throws InterruptedException {
    logger.info("Discovery UDPListener started");
    EventLoopGroup group = new NioEventLoopGroup(1);

    while (!shutdown) {
        Bootstrap bootstrap = this.createBootstrap(group);

        channel = bootstrap.bind(address, port).sync().channel();
        channel.closeFuture().sync();/*w  w  w .j ava  2 s .  c om*/

        logger.warn("UDP channel closed. Recreating after 5 sec pause...");
        TimeUnit.SECONDS.sleep(5);
    }
    group.shutdownGracefully().sync();
}

From source file:code.google.nfs.rpc.netty4.client.Netty4ClientFactory.java

License:Apache License

protected Client createClient(String targetIP, int targetPort, int connectTimeout, String key)
        throws Exception {
    final Netty4ClientHandler handler = new Netty4ClientHandler(this, key);

    EventLoopGroup group = new NioEventLoopGroup(1);
    Bootstrap b = new Bootstrap();
    b.group(group).channel(NioSocketChannel.class)
            .option(ChannelOption.TCP_NODELAY,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.nodelay", "true")))
            .option(ChannelOption.SO_REUSEADDR,
                    Boolean.parseBoolean(System.getProperty("nfs.rpc.tcp.reuseaddress", "true")))
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout < 1000 ? 1000 : connectTimeout)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override// w  w  w  .  j  av a2s  .  co m
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("decoder", new Netty4ProtocolDecoder());
                    ch.pipeline().addLast("encoder", new Netty4ProtocolEncoder());
                    ch.pipeline().addLast("handler", handler);
                }
            });

    ChannelFuture future = b.connect(targetIP, targetPort);

    future.awaitUninterruptibly(connectTimeout);
    if (!future.isDone()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " timeout!");
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " timeout!");
    }
    if (future.isCancelled()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " cancelled by user!");
    }
    if (!future.isSuccess()) {
        LOGGER.error("Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
        throw new Exception("Create connection to " + targetIP + ":" + targetPort + " error", future.cause());
    }
    Netty4Client client = new Netty4Client(future, key, connectTimeout);
    handler.setClient(client);
    return client;
}

From source file:com.addthis.hydra.query.web.QueryServer.java

License:Apache License

public void run() throws Exception {
    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();
    executorGroup = new DefaultEventExecutorGroup(AggregateConfig.FRAME_READER_THREADS,
            new ThreadFactoryBuilder().setDaemon(true).setNameFormat("frame-reader-%d").build());
    for (EventExecutor executor : executorGroup) {
        executor.execute(new NextQueryTask(queryQueue, executor));
    }/*from  w  w  w  . j a v  a  2  s.c  o m*/
    ServerBootstrap b = new ServerBootstrap();
    b.option(ChannelOption.SO_BACKLOG, 1024);
    b.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    b.childOption(ChannelOption.MESSAGE_SIZE_ESTIMATOR, new DefaultMessageSizeEstimator(200));
    b.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 100000000);
    b.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 50000000);
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(queryServerInitializer);
    b.bind(webPort).sync();
}

From source file:com.addthis.meshy.MeshyServer.java

License:Apache License

public MeshyServer(final int port, final File rootDir, @Nullable String[] netif, final MeshyServerGroup group)
        throws IOException {
    super();/*  ww w.jav a  2 s  .  c o m*/
    this.group = group;
    this.rootDir = rootDir;
    this.filesystems = loadFileSystems(rootDir);
    this.serverPeers = new AtomicInteger(0);
    bossGroup = new NioEventLoopGroup(1);
    ServerBootstrap bootstrap = new ServerBootstrap()
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.SO_BACKLOG, 1024).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 30000)
            .option(ChannelOption.SO_REUSEADDR, true)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.SO_KEEPALIVE, true)
            .childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATERMARK)
            .childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATERMARK)
            .channel(NioServerSocketChannel.class).group(bossGroup, workerGroup)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ChannelState(MeshyServer.this, ch));
                }
            });
    /* bind to one or more interfaces, if supplied, otherwise all */
    if ((netif == null) || (netif.length == 0)) {
        ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap.bind(new InetSocketAddress(port))
                .syncUninterruptibly().channel();
        serverLocal = serverChannel.localAddress();
    } else {
        InetSocketAddress primaryServerLocal = null;
        for (String net : netif) {
            NetworkInterface nicif = NetworkInterface.getByName(net);
            if (nicif == null) {
                log.warn("missing speficied NIC: {}", net);
                continue;
            }
            for (InterfaceAddress addr : nicif.getInterfaceAddresses()) {
                InetAddress inAddr = addr.getAddress();
                if (inAddr.getAddress().length != 4) {
                    log.trace("skip non-ipV4 address: {}", inAddr);
                    continue;
                }
                ServerSocketChannel serverChannel = (ServerSocketChannel) bootstrap
                        .bind(new InetSocketAddress(inAddr, port)).syncUninterruptibly().channel();
                if (primaryServerLocal != null) {
                    log.info("server [{}-*] binding to extra address: {}", super.getUUID(), primaryServerLocal);
                }
                primaryServerLocal = serverChannel.localAddress();
            }
        }
        if (primaryServerLocal == null) {
            throw new IllegalArgumentException("no valid interface / port specified");
        }
        serverLocal = primaryServerLocal;
    }
    this.serverNetIf = NetworkInterface.getByInetAddress(serverLocal.getAddress());
    this.serverPort = serverLocal.getPort();
    if (serverNetIf != null) {
        serverUuid = super.getUUID() + "-" + serverPort + "-" + serverNetIf.getName();
    } else {
        serverUuid = super.getUUID() + "-" + serverPort;
    }
    log.info("server [{}] on {} @ {}", getUUID(), serverLocal, rootDir);
    closeFuture = new DefaultPromise<>(GlobalEventExecutor.INSTANCE);
    workerGroup.terminationFuture().addListener((Future<Object> workerFuture) -> {
        bossGroup.terminationFuture().addListener((Future<Object> bossFuture) -> {
            if (!workerFuture.isSuccess()) {
                closeFuture.tryFailure(workerFuture.cause());
            } else if (!bossFuture.isSuccess()) {
                closeFuture.tryFailure(bossFuture.cause());
            } else {
                closeFuture.trySuccess(null);
            }
        });
    });
    addMessageFileSystemPaths();
    group.join(this);
    if (autoMesh) {
        startAutoMesh(serverPort, autoMeshTimeout);
    }
}

From source file:com.adobe.acs.livereload.impl.LiveReloadServerImpl.java

License:Apache License

@Activate
protected void activate(ComponentContext ctx) throws Exception {
    Dictionary<?, ?> props = ctx.getProperties();
    this.port = PropertiesUtil.toInteger(props.get(PROP_PORT), DEFAULT_PORT);
    this.pathPrefixes = PropertiesUtil.toStringArray(props.get(PROP_PREFIXES), DEFAULT_PREFIXES);
    this.broadcastGroup = new NioEventLoopGroup(1);

    this.group = new DefaultChannelGroup("live-reload", broadcastGroup.next());
    this.infos = new ConcurrentHashMap<Channel, ChannelInfo>();

    this.matcher = new ContentPageMatcher();

    startServer();//from   w w  w  .ja  va 2s .co m
    running = true;

    if (PropertiesUtil.toBoolean(props.get(PROP_JS_FILTER_ENABLED), DEFAULT_JS_FILTER_ENABLED)) {
        Dictionary<Object, Object> filterProps = new Hashtable<Object, Object>();
        filterProps.put("sling.filter.scope", "request");
        filterProps.put("filter.order", FILTER_ORDER);
        filterReference = ctx.getBundleContext().registerService(Filter.class.getName(),
                new JavaScriptInjectionFilter(port, pathPrefixes), filterProps);
    }
}