Examples with NioEventLoopGroup org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup used on opensource projects

Example 61 with NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup in project atomix by atomix.

the class NettyMessagingService method initEventLoopGroup.

private void initEventLoopGroup() {
    // try Epoll first and if that does work, use nio.
    try {
        clientGroup = new EpollEventLoopGroup(0, namedThreads("netty-messaging-event-epoll-client-%d", log));
        serverGroup = new EpollEventLoopGroup(0, namedThreads("netty-messaging-event-epoll-server-%d", log));
        serverChannelClass = EpollServerSocketChannel.class;
        clientChannelClass = EpollSocketChannel.class;
        return;
    } catch (Throwable e) {
        log.debug("Failed to initialize native (epoll) transport. " + "Reason: {}. Proceeding with nio.", e.getMessage());
    }
    clientGroup = new NioEventLoopGroup(0, namedThreads("netty-messaging-event-nio-client-%d", log));
    serverGroup = new NioEventLoopGroup(0, namedThreads("netty-messaging-event-nio-server-%d", log));
    serverChannelClass = NioServerSocketChannel.class;
    clientChannelClass = NioSocketChannel.class;
}

Example 62 with NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup 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 NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup in project herddb by diennea.

the class LocalChannelTest method test.

@Test
public void test() throws Exception {
    try (NettyChannelAcceptor acceptor = new NettyChannelAcceptor("localhost", 1111, true)) {
        acceptor.setEnableRealNetwork(false);
        acceptor.setAcceptor(new ServerSideConnectionAcceptor() {

            @Override
            public ServerSideConnection createConnection(Channel channel) {
                channel.setMessagesReceiver(new ChannelEventListener() {

                    @Override
                    public void messageReceived(Message message, Channel channel) {
                        channel.sendReplyMessage(message, Message.ACK("ciao"));
                    }

                    @Override
                    public void channelClosed(Channel channel) {
                    }
                });
                return new ServerSideConnection() {

                    @Override
                    public long getConnectionId() {
                        return new Random().nextLong();
                    }
                };
            }
        });
        acceptor.start();
        ExecutorService executor = Executors.newCachedThreadPool();
        try (Channel client = NettyConnector.connect("localhost", 1111, true, 0, 0, new ChannelEventListener() {

            @Override
            public void messageReceived(Message message, Channel channel) {
                System.out.println("client messageReceived " + message);
            }

            @Override
            public void channelClosed(Channel channel) {
                System.out.println("client channelClosed");
            }
        }, executor, new NioEventLoopGroup(10, executor), new DefaultEventLoopGroup())) {
            for (int i = 0; i < 100; i++) {
                Message result = client.sendMessageWithReply(Message.ACK("clientId"), 10000);
                // System.out.println("result:" + result);
                assertEquals(Message.TYPE_ACK, result.type);
            }
        } finally {
            executor.shutdown();
        }
    }
}

Example 64 with NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup in project herddb by diennea.

the class HDBClient method init.

private void init() {
    LOG.log(Level.SEVERE, "init {0}", this);
    this.thredpool = Executors.newCachedThreadPool(new ThreadFactory() {

        @Override
        public Thread newThread(Runnable r) {
            Thread t = new Thread(r, "hdb-client");
            t.setDaemon(true);
            return t;
        }
    });
    this.networkGroup = NetworkUtils.isEnableEpoolNative() ? new EpollEventLoopGroup(0, thredpool) : new NioEventLoopGroup(0, thredpool);
    this.localEventsGroup = new DefaultEventLoopGroup();
    String mode = configuration.getString(ClientConfiguration.PROPERTY_MODE, ClientConfiguration.PROPERTY_MODE_LOCAL);
    switch(mode) {
        case ClientConfiguration.PROPERTY_MODE_LOCAL:
        case ClientConfiguration.PROPERTY_MODE_STANDALONE:
            this.clientSideMetadataProvider = new StaticClientSideMetadataProvider(configuration.getString(ClientConfiguration.PROPERTY_SERVER_ADDRESS, ClientConfiguration.PROPERTY_SERVER_ADDRESS_DEFAULT), configuration.getInt(ClientConfiguration.PROPERTY_SERVER_PORT, ClientConfiguration.PROPERTY_SERVER_PORT_DEFAULT), configuration.getBoolean(ClientConfiguration.PROPERTY_SERVER_SSL, ClientConfiguration.PROPERTY_SERVER_SSL_DEFAULT));
            break;
        case ClientConfiguration.PROPERTY_MODE_CLUSTER:
            this.clientSideMetadataProvider = new ZookeeperClientSideMetadataProvider(configuration.getString(ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS, ClientConfiguration.PROPERTY_ZOOKEEPER_ADDRESS_DEFAULT), configuration.getInt(ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT, ClientConfiguration.PROPERTY_ZOOKEEPER_SESSIONTIMEOUT_DEFAULT), configuration.getString(ClientConfiguration.PROPERTY_ZOOKEEPER_PATH, ClientConfiguration.PROPERTY_ZOOKEEPER_PATH_DEFAULT));
            break;
        default:
            throw new IllegalStateException(mode);
    }
}

Example 65 with NioEventLoopGroup

use of org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoopGroup in project swift by luastar.

the class HttpServer method start.

public void start() {
    // 设置线程名称
    ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder();
    EventLoopGroup bossGroup = new NioEventLoopGroup(HttpConstant.SWIFT_BOSS_THREADS, threadFactoryBuilder.setNameFormat("boss-group-%d").build());
    EventLoopGroup workerGroup = new NioEventLoopGroup(HttpConstant.SWIFT_WORKER_THREADS, threadFactoryBuilder.setNameFormat("worker-group-%d").build());
    // EventExecutorGroup executorGroup = new DefaultEventExecutorGroup(HttpConstant.SWIFT_BUSINESS_THREADS, threadFactoryBuilder.setNameFormat("executor-group-%d").build());
    try {
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                if (ssl) {
                    SelfSignedCertificate ssc = new SelfSignedCertificate();
                    SslContext sslContext = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
                    pipeline.addLast(sslContext.newHandler(ch.alloc()));
                }
                // http request decode and response encode
                pipeline.addLast(new HttpServerCodec());
                // 将消息头和体聚合成FullHttpRequest和FullHttpResponse
                pipeline.addLast(new HttpObjectAggregator(HttpConstant.SWIFT_MAX_CONTENT_LENGTH));
                // 压缩处理
                pipeline.addLast(new HttpContentCompressor(HttpConstant.SWIFT_COMPRESSION_LEVEL));
                // 自定义http服务
                // pipeline.addLast(executorGroup, "http-handler", new HttpChannelHandler(handlerMapping));
                pipeline.addLast(new HttpChannelHandler(handlerMapping));
            }
        });
        Channel channel = bootstrap.bind(port).sync().channel();
        channel.closeFuture().sync();
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
        // executorGroup.shutdownGracefully();
        HttpThreadPoolExecutor.shutdownGracefully();
    }
}