Examples with EventLoopGroup io.netty.channel.EventLoopGroup used on opensource projects

Example 66 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project alluxio by Alluxio.

the class NettyDataServer method createBootstrapOfType.

/**
   * Creates a default {@link io.netty.bootstrap.ServerBootstrap} where the channel and groups are
   * preset.
   *
   * @param type the channel type; current channel types supported are nio and epoll
   * @return an instance of {@code ServerBootstrap}
   */
private ServerBootstrap createBootstrapOfType(final ChannelType type) {
    final ServerBootstrap boot = new ServerBootstrap();
    final int bossThreadCount = Configuration.getInt(PropertyKey.WORKER_NETWORK_NETTY_BOSS_THREADS);
    // If number of worker threads is 0, Netty creates (#processors * 2) threads by default.
    final int workerThreadCount = Configuration.getInt(PropertyKey.WORKER_NETWORK_NETTY_WORKER_THREADS);
    final EventLoopGroup bossGroup = NettyUtils.createEventLoop(type, bossThreadCount, "data-server-boss-%d", false);
    final EventLoopGroup workerGroup = NettyUtils.createEventLoop(type, workerThreadCount, "data-server-worker-%d", false);
    final Class<? extends ServerChannel> socketChannelClass = NettyUtils.getServerChannelClass(type);
    boot.group(bossGroup, workerGroup).channel(socketChannelClass);
    if (type == ChannelType.EPOLL) {
        boot.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
    }
    return boot;
}

Example 67 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project pulsar by yahoo.

the class MockBrokerService method startMockBrokerService.

public void startMockBrokerService() throws Exception {
    ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("mock-pulsar-%s").build();
    final int numThreads = 2;
    final int MaxMessageSize = 5 * 1024 * 1024;
    EventLoopGroup eventLoopGroup;
    try {
        if (SystemUtils.IS_OS_LINUX) {
            try {
                eventLoopGroup = new EpollEventLoopGroup(numThreads, threadFactory);
            } catch (UnsatisfiedLinkError e) {
                eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
            }
        } else {
            eventLoopGroup = new NioEventLoopGroup(numThreads, threadFactory);
        }
        workerGroup = eventLoopGroup;
        ServerBootstrap bootstrap = new ServerBootstrap();
        bootstrap.group(workerGroup, workerGroup);
        if (workerGroup instanceof EpollEventLoopGroup) {
            bootstrap.channel(EpollServerSocketChannel.class);
        } else {
            bootstrap.channel(NioServerSocketChannel.class);
        }
        bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {

            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("frameDecoder", new LengthFieldBasedFrameDecoder(MaxMessageSize, 0, 4, 0, 4));
                ch.pipeline().addLast("handler", new MockServerCnx());
            }
        });
        // Bind and start to accept incoming connections.
        bootstrap.bind(brokerServicePort).sync();
    } catch (Exception e) {
        throw e;
    }
}

Example 68 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project pulsar by yahoo.

the class PerformanceProducer method main.

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-producer");
    try {
        jc.parse(args);
    } catch (ParameterException e) {
        System.out.println(e.getMessage());
        jc.usage();
        System.exit(-1);
    }
    if (arguments.help) {
        jc.usage();
        System.exit(-1);
    }
    if (arguments.destinations.size() != 1) {
        System.out.println("Only one topic name is allowed");
        jc.usage();
        System.exit(-1);
    }
    if (arguments.confFile != null) {
        Properties prop = new Properties(System.getProperties());
        prop.load(new FileInputStream(arguments.confFile));
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("brokerServiceUrl");
        }
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("webServiceUrl");
        }
        // fallback to previous-version serviceUrl property to maintain backward-compatibility
        if (arguments.serviceURL == null) {
            arguments.serviceURL = prop.getProperty("serviceUrl", "http://localhost:8080/");
        }
        if (arguments.authPluginClassName == null) {
            arguments.authPluginClassName = prop.getProperty("authPlugin", null);
        }
        if (arguments.authParams == null) {
            arguments.authParams = prop.getProperty("authParams", null);
        }
    }
    arguments.testTime = TimeUnit.SECONDS.toMillis(arguments.testTime);
    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar perf producer with config: {}", w.writeValueAsString(arguments));
    // Read payload data from file if needed
    byte[] payloadData;
    if (arguments.payloadFilename != null) {
        payloadData = Files.readAllBytes(Paths.get(arguments.payloadFilename));
    } else {
        payloadData = new byte[arguments.msgSize];
    }
    // Now processing command line arguments
    String prefixTopicName = arguments.destinations.get(0);
    List<Future<Producer>> futures = Lists.newArrayList();
    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(), new DefaultThreadFactory("pulsar-perf-producer"));
    }
    ClientConfiguration clientConf = new ClientConfiguration();
    clientConf.setConnectionsPerBroker(arguments.maxConnections);
    clientConf.setStatsInterval(arguments.statsIntervalSeconds, TimeUnit.SECONDS);
    if (isNotBlank(arguments.authPluginClassName)) {
        clientConf.setAuthentication(arguments.authPluginClassName, arguments.authParams);
    }
    PulsarClient client = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);
    ProducerConfiguration producerConf = new ProducerConfiguration();
    producerConf.setSendTimeout(0, TimeUnit.SECONDS);
    producerConf.setCompressionType(arguments.compression);
    // enable round robin message routing if it is a partitioned topic
    producerConf.setMessageRoutingMode(MessageRoutingMode.RoundRobinPartition);
    if (arguments.batchTime > 0) {
        producerConf.setBatchingMaxPublishDelay(arguments.batchTime, TimeUnit.MILLISECONDS);
        producerConf.setBatchingEnabled(true);
        producerConf.setMaxPendingMessages(arguments.msgRate);
    }
    for (int i = 0; i < arguments.numTopics; i++) {
        String topic = (arguments.numTopics == 1) ? prefixTopicName : String.format("%s-%d", prefixTopicName, i);
        log.info("Adding {} publishers on destination {}", arguments.numProducers, topic);
        for (int j = 0; j < arguments.numProducers; j++) {
            futures.add(client.createProducerAsync(topic, producerConf));
        }
    }
    final List<Producer> producers = Lists.newArrayListWithCapacity(futures.size());
    for (Future<Producer> future : futures) {
        producers.add(future.get());
    }
    log.info("Created {} producers", producers.size());
    Runtime.getRuntime().addShutdownHook(new Thread() {

        public void run() {
            printAggregatedStats();
        }
    });
    Collections.shuffle(producers);
    AtomicBoolean isDone = new AtomicBoolean();
    executor.submit(() -> {
        try {
            RateLimiter rateLimiter = RateLimiter.create(arguments.msgRate);
            long startTime = System.currentTimeMillis();
            // Send messages on all topics/producers
            long totalSent = 0;
            while (true) {
                for (Producer producer : producers) {
                    if (arguments.testTime > 0) {
                        if (System.currentTimeMillis() - startTime > arguments.testTime) {
                            log.info("------------------- DONE -----------------------");
                            printAggregatedStats();
                            isDone.set(true);
                            Thread.sleep(5000);
                            System.exit(0);
                        }
                    }
                    if (arguments.numMessages > 0) {
                        if (totalSent++ >= arguments.numMessages) {
                            log.info("------------------- DONE -----------------------");
                            printAggregatedStats();
                            isDone.set(true);
                            Thread.sleep(5000);
                            System.exit(0);
                        }
                    }
                    rateLimiter.acquire();
                    final long sendTime = System.nanoTime();
                    producer.sendAsync(payloadData).thenRun(() -> {
                        messagesSent.increment();
                        bytesSent.add(payloadData.length);
                        long latencyMicros = NANOSECONDS.toMicros(System.nanoTime() - sendTime);
                        recorder.recordValue(latencyMicros);
                        cumulativeRecorder.recordValue(latencyMicros);
                    }).exceptionally(ex -> {
                        log.warn("Write error on message", ex);
                        System.exit(-1);
                        return null;
                    });
                }
            }
        } catch (Throwable t) {
            log.error("Got error", t);
        }
    });
    // Print report stats
    long oldTime = System.nanoTime();
    Histogram reportHistogram = null;
    String statsFileName = "perf-producer-" + System.currentTimeMillis() + ".hgrm";
    log.info("Dumping latency stats to {}", statsFileName);
    PrintStream histogramLog = new PrintStream(new FileOutputStream(statsFileName), false);
    HistogramLogWriter histogramLogWriter = new HistogramLogWriter(histogramLog);
    // Some log header bits
    histogramLogWriter.outputLogFormatVersion();
    histogramLogWriter.outputLegend();
    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }
        if (isDone.get()) {
            break;
        }
        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesSent.sumThenReset() / elapsed;
        double throughput = bytesSent.sumThenReset() / elapsed / 1024 / 1024 * 8;
        reportHistogram = recorder.getIntervalHistogram(reportHistogram);
        log.info("Throughput produced: {}  msg/s --- {} Mbit/s --- Latency: mean: {} ms - med: {} - 95pct: {} - 99pct: {} - 99.9pct: {} - 99.99pct: {} - Max: {}", throughputFormat.format(rate), throughputFormat.format(throughput), dec.format(reportHistogram.getMean() / 1000.0), dec.format(reportHistogram.getValueAtPercentile(50) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(95) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.9) / 1000.0), dec.format(reportHistogram.getValueAtPercentile(99.99) / 1000.0), dec.format(reportHistogram.getMaxValue() / 1000.0));
        histogramLogWriter.outputIntervalHistogram(reportHistogram);
        reportHistogram.reset();
        oldTime = now;
    }
    client.close();
}

Example 69 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project jersey by jersey.

the class NettyHttpContainerProvider method createServer.

/**
     * Create and start Netty server.
     *
     * @param baseUri       base uri.
     * @param configuration Jersey configuration.
     * @param sslContext    Netty SSL context (can be null).
     * @param block         when {@code true}, this method will block until the server is stopped. When {@code false}, the
     *                      execution will
     *                      end immediately after the server is started.
     * @return Netty channel instance.
     * @throws ProcessingException when there is an issue with creating new container.
     */
public static Channel createServer(final URI baseUri, final ResourceConfig configuration, SslContext sslContext, final boolean block) throws ProcessingException {
    // Configure the server.
    final EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    final EventLoopGroup workerGroup = new NioEventLoopGroup();
    final NettyHttpContainer container = new NettyHttpContainer(configuration);
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(new JerseyServerInitializer(baseUri, sslContext, container));
        int port = getPort(baseUri);
        Channel ch = b.bind(port).sync().channel();
        ch.closeFuture().addListener(new GenericFutureListener<Future<? super Void>>() {

            @Override
            public void operationComplete(Future<? super Void> future) throws Exception {
                container.getApplicationHandler().onShutdown(container);
                bossGroup.shutdownGracefully();
                workerGroup.shutdownGracefully();
            }
        });
        if (block) {
            ch.closeFuture().sync();
            return ch;
        } else {
            return ch;
        }
    } catch (InterruptedException e) {
        throw new ProcessingException(e);
    }
}

Example 70 with EventLoopGroup

use of io.netty.channel.EventLoopGroup in project riposte by Nike-Inc.

the class Server method startup.

public void startup() throws CertificateException, IOException, InterruptedException {
    if (startedUp) {
        throw new IllegalArgumentException("This Server instance has already started. " + "You can only call startup() once");
    }
    // Figure out what port to bind to.
    int port = Integer.parseInt(System.getProperty("endpointsPort", serverConfig.isEndpointsUseSsl() ? String.valueOf(serverConfig.endpointsSslPort()) : String.valueOf(serverConfig.endpointsPort())));
    // Configure SSL if desired.
    final SslContext sslCtx;
    if (serverConfig.isEndpointsUseSsl()) {
        sslCtx = serverConfig.createSslContext();
    } else {
        sslCtx = null;
    }
    // Configure the server
    EventLoopGroup bossGroup;
    EventLoopGroup workerGroup;
    Class<? extends ServerChannel> channelClass;
    //      NIO event loop group.
    if (Epoll.isAvailable()) {
        logger.info("The epoll native transport is available. Using epoll instead of NIO. " + "riposte_server_using_native_epoll_transport=true");
        bossGroup = (serverConfig.bossThreadFactory() == null) ? new EpollEventLoopGroup(serverConfig.numBossThreads()) : new EpollEventLoopGroup(serverConfig.numBossThreads(), serverConfig.bossThreadFactory());
        workerGroup = (serverConfig.workerThreadFactory() == null) ? new EpollEventLoopGroup(serverConfig.numWorkerThreads()) : new EpollEventLoopGroup(serverConfig.numWorkerThreads(), serverConfig.workerThreadFactory());
        channelClass = EpollServerSocketChannel.class;
    } else {
        logger.info("The epoll native transport is NOT available or you are not running on a compatible " + "OS/architecture. Using NIO. riposte_server_using_native_epoll_transport=false");
        bossGroup = (serverConfig.bossThreadFactory() == null) ? new NioEventLoopGroup(serverConfig.numBossThreads()) : new NioEventLoopGroup(serverConfig.numBossThreads(), serverConfig.bossThreadFactory());
        workerGroup = (serverConfig.workerThreadFactory() == null) ? new NioEventLoopGroup(serverConfig.numWorkerThreads()) : new NioEventLoopGroup(serverConfig.numWorkerThreads(), serverConfig.workerThreadFactory());
        channelClass = NioServerSocketChannel.class;
    }
    eventLoopGroups.add(bossGroup);
    eventLoopGroups.add(workerGroup);
    // Figure out which channel initializer should set up the channel pipelines for new channels.
    ChannelInitializer<SocketChannel> channelInitializer = serverConfig.customChannelInitializer();
    if (channelInitializer == null) {
        // No custom channel initializer, so use the default
        channelInitializer = new HttpChannelInitializer(sslCtx, serverConfig.maxRequestSizeInBytes(), serverConfig.appEndpoints(), serverConfig.requestAndResponseFilters(), serverConfig.longRunningTaskExecutor(), serverConfig.riposteErrorHandler(), serverConfig.riposteUnhandledErrorHandler(), serverConfig.requestContentValidationService(), serverConfig.defaultRequestContentDeserializer(), new ResponseSender(serverConfig.defaultResponseContentSerializer(), serverConfig.errorResponseBodySerializer()), serverConfig.metricsListener(), serverConfig.defaultCompletableFutureTimeoutInMillisForNonblockingEndpoints(), serverConfig.accessLogger(), serverConfig.pipelineCreateHooks(), serverConfig.requestSecurityValidator(), serverConfig.workerChannelIdleTimeoutMillis(), serverConfig.proxyRouterConnectTimeoutMillis(), serverConfig.incompleteHttpCallTimeoutMillis(), serverConfig.maxOpenIncomingServerChannels(), serverConfig.isDebugChannelLifecycleLoggingEnabled(), serverConfig.userIdHeaderKeys());
    }
    // Create the server bootstrap
    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(channelClass).childHandler(channelInitializer);
    // execute pre startup hooks
    if (serverConfig.preServerStartupHooks() != null) {
        for (PreServerStartupHook hook : serverConfig.preServerStartupHooks()) {
            hook.executePreServerStartupHook(b);
        }
    }
    if (serverConfig.isDebugChannelLifecycleLoggingEnabled())
        b.handler(new LoggingHandler(SERVER_BOSS_CHANNEL_DEBUG_LOGGER_NAME, LogLevel.DEBUG));
    // Bind the server to the desired port and start it up so it is ready to receive requests
    Channel ch = b.bind(port).sync().channel();
    // execute post startup hooks
    if (serverConfig.postServerStartupHooks() != null) {
        for (PostServerStartupHook hook : serverConfig.postServerStartupHooks()) {
            hook.executePostServerStartupHook(serverConfig, ch);
        }
    }
    channels.add(ch);
    logger.info("Server channel open and accepting " + (serverConfig.isEndpointsUseSsl() ? "https" : "http") + " requests on port " + port);
    startedUp = true;
    // Add a shutdown hook so we can gracefully stop the server when the JVM is going down
    Runtime.getRuntime().addShutdownHook(new Thread() {

        @Override
        public void run() {
            try {
                shutdown();
            } catch (Exception e) {
                logger.warn("Error shutting down Riposte", e);
            }
        }
    });
}