Examples with ServerBootstrap org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap used on opensource projects

Example 61 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project atomix by atomix.

the class NettyMessagingService method startAcceptingConnections.

private CompletableFuture<Void> startAcceptingConnections() {
    CompletableFuture<Void> future = new CompletableFuture<>();
    ServerBootstrap b = new ServerBootstrap();
    b.option(ChannelOption.SO_REUSEADDR, true);
    b.option(ChannelOption.SO_BACKLOG, 128);
    b.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(8 * 1024, 32 * 1024));
    b.childOption(ChannelOption.SO_RCVBUF, 1024 * 1024);
    b.childOption(ChannelOption.SO_SNDBUF, 1024 * 1024);
    b.childOption(ChannelOption.SO_KEEPALIVE, true);
    b.childOption(ChannelOption.TCP_NODELAY, true);
    b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    b.group(serverGroup, clientGroup);
    b.channel(serverChannelClass);
    if (enableNettyTls) {
        b.childHandler(new SslServerCommunicationChannelInitializer());
    } else {
        b.childHandler(new BasicChannelInitializer());
    }
    // Bind and start to accept incoming connections.
    b.bind(localEndpoint.port()).addListener(f -> {
        if (f.isSuccess()) {
            log.info("{} accepting incoming connections on port {}", localEndpoint.host(), localEndpoint.port());
            future.complete(null);
        } else {
            log.warn("{} failed to bind to port {} due to {}", localEndpoint.host(), localEndpoint.port(), f.cause());
            future.completeExceptionally(f.cause());
        }
    });
    return future;
}

Example 62 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project java by wavefrontHQ.

the class StreamIngester method run.

public void run() {
    activeListeners.inc();
    // Configure the server.
    ServerBootstrap b = new ServerBootstrap();
    EventLoopGroup parentGroup;
    EventLoopGroup childGroup;
    Class<? extends ServerChannel> socketChannelClass;
    if (Epoll.isAvailable()) {
        logger.fine("Using native socket transport for port " + listeningPort);
        parentGroup = new EpollEventLoopGroup(1);
        childGroup = new EpollEventLoopGroup();
        socketChannelClass = EpollServerSocketChannel.class;
    } else {
        logger.fine("Using NIO socket transport for port " + listeningPort);
        parentGroup = new NioEventLoopGroup(1);
        childGroup = new NioEventLoopGroup();
        socketChannelClass = NioServerSocketChannel.class;
    }
    try {
        b.group(parentGroup, childGroup).channel(socketChannelClass).option(ChannelOption.SO_BACKLOG, 1024).localAddress(listeningPort).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast("frame decoder", frameDecoderFactory.getDecoder());
                pipeline.addLast("byte array decoder", new ByteArrayDecoder());
                pipeline.addLast(commandHandler);
            }
        });
        if (parentChannelOptions != null) {
            for (Map.Entry<ChannelOption<?>, ?> entry : parentChannelOptions.entrySet()) {
                b.option((ChannelOption<Object>) entry.getKey(), entry.getValue());
            }
        }
        if (childChannelOptions != null) {
            for (Map.Entry<ChannelOption<?>, ?> entry : childChannelOptions.entrySet()) {
                b.childOption((ChannelOption<Object>) entry.getKey(), entry.getValue());
            }
        }
        // Start the server.
        ChannelFuture f = b.bind().sync();
        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } catch (final InterruptedException e) {
        logger.log(Level.WARNING, "Interrupted");
        parentGroup.shutdownGracefully();
        childGroup.shutdownGracefully();
        logger.info("Listener on port " + String.valueOf(listeningPort) + " shut down");
    } catch (Exception e) {
        // ChannelFuture throws undeclared checked exceptions, so we need to handle it
        if (e instanceof BindException) {
            logger.severe("Unable to start listener - port " + String.valueOf(listeningPort) + " is already in use!");
        } else {
            logger.log(Level.SEVERE, "StreamIngester exception: ", e);
        }
    } finally {
        activeListeners.dec();
    }
}

Example 63 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project openflowplugin by opendaylight.

the class TcpHandler method run.

/**
 * Starts server on selected port.
 */
@Override
public void run() {
    /*
         * We generally do not perform IO-unrelated tasks, so we want to have
         * all outstanding tasks completed before the executing thread goes
         * back into select.
         *
         * Any other setting means netty will measure the time it spent selecting
         * and spend roughly proportional time executing tasks.
         */
    // workerGroup.setIoRatio(100);
    final ChannelFuture f;
    try {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(socketChannelClass).handler(new LoggingHandler(LogLevel.DEBUG)).childHandler(channelInitializer).option(ChannelOption.SO_BACKLOG, 128).option(ChannelOption.SO_REUSEADDR, true).childOption(ChannelOption.SO_KEEPALIVE, true).childOption(ChannelOption.TCP_NODELAY, true).childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT).childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(DEFAULT_WRITE_LOW_WATERMARK, DEFAULT_WRITE_HIGH_WATERMARK)).childOption(ChannelOption.WRITE_SPIN_COUNT, DEFAULT_WRITE_SPIN_COUNT);
        if (startupAddress != null) {
            f = bootstrap.bind(startupAddress.getHostAddress(), port).sync();
        } else {
            f = bootstrap.bind(port).sync();
        }
    } catch (InterruptedException e) {
        LOG.error("Interrupted while binding port {}", port, e);
        return;
    }
    try {
        InetSocketAddress isa = (InetSocketAddress) f.channel().localAddress();
        address = isa.getHostString();
        // Update port, as it may have been specified as 0
        this.port = isa.getPort();
        LOG.debug("address from tcphandler: {}", address);
        isOnlineFuture.set(true);
        LOG.info("Switch listener started and ready to accept incoming tcp/tls connections on port: {}", port);
        f.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        LOG.error("Interrupted while waiting for port {} shutdown", port, e);
    } finally {
        shutdown();
    }
}

Example 64 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project activemq-artemis by apache.

the class NettyAcceptor method start.

@Override
public synchronized void start() throws Exception {
    if (channelClazz != null) {
        // Already started
        return;
    }
    String acceptorType;
    if (useInvm) {
        acceptorType = INVM_ACCEPTOR_TYPE;
        channelClazz = LocalServerChannel.class;
        eventLoopGroup = new DefaultEventLoopGroup();
    } else {
        if (remotingThreads == -1) {
            // Default to number of cores * 3
            remotingThreads = Runtime.getRuntime().availableProcessors() * 3;
        }
        if (useEpoll && Epoll.isAvailable()) {
            channelClazz = EpollServerSocketChannel.class;
            eventLoopGroup = new EpollEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {

                @Override
                public ActiveMQThreadFactory run() {
                    return new ActiveMQThreadFactory("activemq-netty-threads", true, ClientSessionFactoryImpl.class.getClassLoader());
                }
            }));
            acceptorType = EPOLL_ACCEPTOR_TYPE;
            logger.debug("Acceptor using native epoll");
        } else if (useKQueue && KQueue.isAvailable()) {
            channelClazz = KQueueServerSocketChannel.class;
            eventLoopGroup = new KQueueEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {

                @Override
                public ActiveMQThreadFactory run() {
                    return new ActiveMQThreadFactory("activemq-netty-threads", true, ClientSessionFactoryImpl.class.getClassLoader());
                }
            }));
            acceptorType = KQUEUE_ACCEPTOR_TYPE;
            logger.debug("Acceptor using native kqueue");
        } else {
            channelClazz = NioServerSocketChannel.class;
            eventLoopGroup = new NioEventLoopGroup(remotingThreads, AccessController.doPrivileged(new PrivilegedAction<ActiveMQThreadFactory>() {

                @Override
                public ActiveMQThreadFactory run() {
                    return new ActiveMQThreadFactory("activemq-netty-threads", true, ClientSessionFactoryImpl.class.getClassLoader());
                }
            }));
            acceptorType = NIO_ACCEPTOR_TYPE;
            logger.debug("Acceptor using nio");
        }
    }
    bootstrap = new ServerBootstrap();
    bootstrap.group(eventLoopGroup);
    bootstrap.channel(channelClazz);
    ChannelInitializer<Channel> factory = new ChannelInitializer<Channel>() {

        @Override
        public void initChannel(Channel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();
            if (sslEnabled) {
                pipeline.addLast("ssl", getSslHandler(channel.alloc()));
                pipeline.addLast("sslHandshakeExceptionHandler", new SslHandshakeExceptionHandler());
            }
            pipeline.addLast(protocolHandler.getProtocolDecoder());
        }
    };
    bootstrap.childHandler(factory);
    // Bind
    bootstrap.childOption(ChannelOption.TCP_NODELAY, tcpNoDelay);
    if (tcpReceiveBufferSize != -1) {
        bootstrap.childOption(ChannelOption.SO_RCVBUF, tcpReceiveBufferSize);
    }
    if (tcpSendBufferSize != -1) {
        bootstrap.childOption(ChannelOption.SO_SNDBUF, tcpSendBufferSize);
    }
    final int writeBufferLowWaterMark = this.writeBufferLowWaterMark != -1 ? this.writeBufferLowWaterMark : WriteBufferWaterMark.DEFAULT.low();
    final int writeBufferHighWaterMark = this.writeBufferHighWaterMark != -1 ? this.writeBufferHighWaterMark : WriteBufferWaterMark.DEFAULT.high();
    final WriteBufferWaterMark writeBufferWaterMark = new WriteBufferWaterMark(writeBufferLowWaterMark, writeBufferHighWaterMark);
    bootstrap.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, writeBufferWaterMark);
    if (backlog != -1) {
        bootstrap.option(ChannelOption.SO_BACKLOG, backlog);
    }
    bootstrap.option(ChannelOption.SO_REUSEADDR, true);
    bootstrap.childOption(ChannelOption.SO_REUSEADDR, true);
    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
    channelGroup = new DefaultChannelGroup("activemq-accepted-channels", GlobalEventExecutor.INSTANCE);
    serverChannelGroup = new DefaultChannelGroup("activemq-acceptor-channels", GlobalEventExecutor.INSTANCE);
    if (httpUpgradeEnabled) {
    // the channel will be bound by the Web container and hand over after the HTTP Upgrade
    // handshake is successful
    } else {
        startServerChannels();
        paused = false;
        if (notificationService != null) {
            TypedProperties props = new TypedProperties();
            props.putSimpleStringProperty(new SimpleString("factory"), new SimpleString(NettyAcceptorFactory.class.getName()));
            props.putSimpleStringProperty(new SimpleString("host"), new SimpleString(host));
            props.putIntProperty(new SimpleString("port"), port);
            Notification notification = new Notification(null, CoreNotificationType.ACCEPTOR_STARTED, props);
            notificationService.sendNotification(notification);
        }
        ActiveMQServerLogger.LOGGER.startedAcceptor(acceptorType, host, port, protocolsString);
    }
    if (batchDelay > 0) {
        flusher = new BatchFlusher();
        batchFlusherFuture = scheduledThreadPool.scheduleWithFixedDelay(flusher, batchDelay, batchDelay, TimeUnit.MILLISECONDS);
    }
}

Example 65 with ServerBootstrap

use of org.apache.flink.shaded.netty4.io.netty.bootstrap.ServerBootstrap in project jdepth by Crab2died.

the class C2DServer method bind.

private void bind(String host, int port) throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap bootstrap = new ServerBootstrap().group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast(new C2DHessianMsgDecoder(1024 * 1024, 4, 4, -8, 0)).addLast("MessageEncoder", new C2DHessianMsgEncoder()).addLast("ReadTimeoutHandler", new ReadTimeoutHandler(TIME_OUT)).addLast("LoginAuthResp", new LoginAuthRespHandler()).addLast("Pong", new PongHandler());
            }
        });
        ChannelFuture future = bootstrap.bind(host, port).sync();
        future.channel().closeFuture().sync();
        logger.info("server is started");
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}