Example usage for org.apache.commons.lang SystemUtils IS_OS_LINUX

List of usage examples for org.apache.commons.lang SystemUtils IS_OS_LINUX

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Introduction

In this page you can find the example usage for org.apache.commons.lang SystemUtils IS_OS_LINUX.

Prototype

boolean IS_OS_LINUX

To view the source code for org.apache.commons.lang SystemUtils IS_OS_LINUX.

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Document

Is true if this is Linux.

The field will return false if OS_NAME is null.

Usage

From source file:com.yahoo.pulsar.testclient.PerformanceReader.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-reader");

    try {// w  ww. j a va 2 s . c o m
        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.topic.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);
        }
    }

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance reader with config: {}", w.writeValueAsString(arguments));

    final DestinationName prefixTopicName = DestinationName.get(arguments.topic.get(0));

    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;

    ReaderListener listener = (reader, msg) -> {
        messagesReceived.increment();
        bytesReceived.add(msg.getData().length);

        if (limiter != null) {
            limiter.acquire();
        }
    };

    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2,
                new DefaultThreadFactory("pulsar-perf-reader"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(),
                new DefaultThreadFactory("pulsar-perf-reader"));
    }

    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 pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);

    List<CompletableFuture<Reader>> futures = Lists.newArrayList();
    ReaderConfiguration readerConfig = new ReaderConfiguration();
    readerConfig.setReaderListener(listener);
    readerConfig.setReceiverQueueSize(arguments.receiverQueueSize);

    MessageId startMessageId;
    if ("earliest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.earliest;
    } else if ("latest".equals(arguments.startMessageId)) {
        startMessageId = MessageId.latest;
    } else {
        String[] parts = arguments.startMessageId.split(":");
        startMessageId = new MessageIdImpl(Long.parseLong(parts[0]), Long.parseLong(parts[1]), -1);
    }

    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixTopicName
                : DestinationName.get(String.format("%s-%d", prefixTopicName, i));

        futures.add(pulsarClient.createReaderAsync(destinationName.toString(), startMessageId, readerConfig));
    }

    FutureUtil.waitForAll(futures).get();

    log.info("Start reading from {} topics", arguments.numDestinations);

    long oldTime = System.nanoTime();

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;

        log.info("Read throughput: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }

    pulsarClient.close();
}

From source file:com.yahoo.pulsar.testclient.PerformanceConsumer.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-consumer");

    try {//from  w w w .j  av  a2s  . c  o  m
        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.topic.size() != 1) {
        System.out.println("Only one destination 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);
        }
    }

    // Dump config variables
    ObjectMapper m = new ObjectMapper();
    ObjectWriter w = m.writerWithDefaultPrettyPrinter();
    log.info("Starting Pulsar performance consumer with config: {}", w.writeValueAsString(arguments));

    final DestinationName prefixDestinationName = DestinationName.get(arguments.topic.get(0));

    final RateLimiter limiter = arguments.rate > 0 ? RateLimiter.create(arguments.rate) : null;

    MessageListener listener = new MessageListener() {
        public void received(Consumer consumer, Message msg) {
            messagesReceived.increment();
            bytesReceived.add(msg.getData().length);

            if (limiter != null) {
                limiter.acquire();
            }

            consumer.acknowledgeAsync(msg);
        }
    };

    EventLoopGroup eventLoopGroup;
    if (SystemUtils.IS_OS_LINUX) {
        eventLoopGroup = new EpollEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2,
                new DefaultThreadFactory("pulsar-perf-consumer"));
    } else {
        eventLoopGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors(),
                new DefaultThreadFactory("pulsar-perf-consumer"));
    }

    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 pulsarClient = new PulsarClientImpl(arguments.serviceURL, clientConf, eventLoopGroup);

    List<Future<Consumer>> futures = Lists.newArrayList();
    ConsumerConfiguration consumerConfig = new ConsumerConfiguration();
    consumerConfig.setMessageListener(listener);
    consumerConfig.setReceiverQueueSize(arguments.receiverQueueSize);

    for (int i = 0; i < arguments.numDestinations; i++) {
        final DestinationName destinationName = (arguments.numDestinations == 1) ? prefixDestinationName
                : DestinationName.get(String.format("%s-%d", prefixDestinationName, i));
        log.info("Adding {} consumers on destination {}", arguments.numConsumers, destinationName);

        for (int j = 0; j < arguments.numConsumers; j++) {
            String subscriberName;
            if (arguments.numConsumers > 1) {
                subscriberName = String.format("%s-%d", arguments.subscriberName, j);
            } else {
                subscriberName = arguments.subscriberName;
            }

            futures.add(
                    pulsarClient.subscribeAsync(destinationName.toString(), subscriberName, consumerConfig));
        }
    }

    for (Future<Consumer> future : futures) {
        future.get();
    }

    log.info("Start receiving from {} consumers on {} destinations", arguments.numConsumers,
            arguments.numDestinations);

    long oldTime = System.nanoTime();

    while (true) {
        try {
            Thread.sleep(10000);
        } catch (InterruptedException e) {
            break;
        }

        long now = System.nanoTime();
        double elapsed = (now - oldTime) / 1e9;
        double rate = messagesReceived.sumThenReset() / elapsed;
        double throughput = bytesReceived.sumThenReset() / elapsed * 8 / 1024 / 1024;

        log.info("Throughput received: {}  msg/s -- {} Mbit/s", dec.format(rate), dec.format(throughput));
        oldTime = now;
    }

    pulsarClient.close();
}

From source file:com.yahoo.pulsar.testclient.PerformanceProducer.java

public static void main(String[] args) throws Exception {
    final Arguments arguments = new Arguments();
    JCommander jc = new JCommander(arguments);
    jc.setProgramName("pulsar-perf-producer");

    try {//w  ww  . ja  v a 2s  .  c  o m
        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();
}

From source file:de.pawlidi.openaletheia.utils.AletheiaUtils.java

/**
 * Returns current mac adress//from ww w  .  j a va 2  s  . com
 * 
 * @return macAdress
 */
public static String getMacAddress() {
    String macAddress = getJavaNetMacAddress();
    if (macAddress == null) {
        if (SystemUtils.IS_OS_WINDOWS) {
            macAddress = getWindowsMacAddress();
        } else if (SystemUtils.IS_OS_LINUX) {
            macAddress = getLinuxMacAddress();
        }
        if (macAddress == null) {
            throw new RuntimeException("Cannot read MAC address in operating system");
        }
    }
    macAddress = normalizeMacAddress(macAddress);
    return macAddress;
}

From source file:com.siemens.oss.omniproperties.builders.Os.java

@Override
public String build() throws IOException {
    if (SystemUtils.IS_OS_LINUX) {
        return "linux";
    } else if (SystemUtils.IS_OS_MAC) {
        return "mac";
    } else if (SystemUtils.IS_OS_WINDOWS) {
        return "windows";
    }/*from w  w w .  ja v  a 2 s.c o  m*/
    return "unknown";
}

From source file:configuration.ProgramsFilter.java

public boolean accept(File f) {

    Config config = new Config();
    String filename = f.getName();
    if (f.isDirectory())
        return true;
    if (config.getBoolean("Linux") || SystemUtils.IS_OS_LINUX || SystemUtils.IS_OS_UNIX) {
        return true;
    }// www  . java 2s .c om
    if (filename.endsWith(".exe") || filename.endsWith(".com") || filename.endsWith(".jar")) {
        return true;
    } else {
        return false;
    }
}

From source file:de.erdesignerng.visual.Java3DUtils.java

public static void initializeLibraryPath() throws Exception {
    File theJava3DFile = new File("java3d");
    File theJava3DLibraryFile = null;
    if (SystemUtils.IS_OS_WINDOWS) {
        if (VM_32_BIT) {
            theJava3DLibraryFile = new File(theJava3DFile, "win32");
        } else {// w w w .j a  va 2  s .  c om
            theJava3DLibraryFile = new File(theJava3DFile, "win64");
        }
    }
    if (SystemUtils.IS_OS_LINUX) {
        if (VM_32_BIT) {
            theJava3DLibraryFile = new File(theJava3DFile, "linux32");
        } else {
            theJava3DLibraryFile = new File(theJava3DFile, "linux64");
        }
    }
    if (SystemUtils.IS_OS_MAC) {
        theJava3DLibraryFile = new File(theJava3DFile, "macos-universal");
    }
    if (theJava3DLibraryFile != null) {
        addLibraryPath(theJava3DLibraryFile.getAbsolutePath());
    }
}

From source file:com.cloud.utils.ScriptTest.java

@Test
public void testEcho() {
    Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
    Script script = new Script("/bin/echo");
    script.add("bar");
    OutputInterpreter.AllLinesParser resultParser = new OutputInterpreter.AllLinesParser();
    String result = script.execute(resultParser);
    // With allLinesParser, result is not comming from the return value
    Assert.assertNull(result);//from  w ww . j a va 2s. co  m
    Assert.assertEquals("bar\n", resultParser.getLines());
}

From source file:com.cloud.utils.ProcessUtilTest.java

@Test
public void pidCheck() throws ConfigurationException, IOException {
    Assume.assumeTrue(SystemUtils.IS_OS_LINUX);
    FileUtils.writeStringToFile(pidFile, "123456\n");
    ProcessUtil.pidCheck(pidFile.getParent(), pidFile.getName());
    String pidStr = FileUtils.readFileToString(pidFile);
    Assert.assertFalse("pid can not be blank", pidStr.isEmpty());
    int pid = Integer.parseInt(pidStr.trim());
    int maxPid = Integer.parseInt(FileUtils.readFileToString(new File("/proc/sys/kernel/pid_max")).trim());
    Assert.assertTrue(pid <= maxPid);
}

From source file:com.apress.prospringintegration.customadapters.inbound.eventdriven.DirectoryMonitorInboundFileEndpoint.java

@Override
protected void onInit() {
    try {/*from   ww w.j  a  v a 2s . c om*/
        if (SystemUtils.IS_OS_LINUX) {
            LinuxInotifyDirectoryMonitor mon = new LinuxInotifyDirectoryMonitor();
            if (executor != null) {
                mon.setExecutor(executor);
            }
            mon.afterPropertiesSet();
            this.monitor = mon;
        }
    } catch (Exception e) {
        throw new RuntimeException(
                "Exception thrown when trying to setup " + DirectoryMonitorInboundFileEndpoint.class, e);
    }
}