Package com.cloudera.flume.core

Examples of com.cloudera.flume.core.EventSource$Base

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   */
  @Ignore
  @Test
  public void testResetRaceCondition() throws IOException {
    File tmpFile;
    final EventSource source;
    final EventSink sink;
    final AtomicBoolean workerFailed;
    FileOutputStream os;
    Thread thread;

    tmpFile = File.createTempFile("tmp-", ".tmp");
    tmpFile.deleteOnExit();

    source = TailSource.builder().build(tmpFile.getAbsolutePath(), "true");
    sink = CounterSink.builder().build(new ReportTestingContext(), "count");
    workerFailed = new AtomicBoolean(false);
    os = null;

    /*
     * A worker thread that blindly moves events until we send a poison pill
     * message containing "EOF".
     */
    thread = new Thread() {

      @Override
      public void run() {
        try {
          Event e;

          source.open();
          sink.open();

          e = null;

          do {
            e = source.next();
            sink.append(e);
          } while (e != null && !Arrays.equals(e.getBody(), "EOF".getBytes()));

          source.close();
          sink.close();
        } catch (IOException e) {
          LOG.error("Error while reading from / write "
              + "to flume source / sink. Exception follows.", e);
          workerFailed.set(true);
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   *
   * @throws InterruptedException
   */
  @Test
  public void checkSynth() throws IOException, InterruptedException {
    EventSource src = new SynthSource(5, 10, 1337);
    Event e = null;
    EventSink snk = new ConsoleEventSink(new AvroJsonOutputFormat());
    MemorySinkSource mem = new MemorySinkSource();
    while ((e = src.next()) != null) {
      snk.append(e); // visual inspection
      mem.append(e); // testing
    }

    mem.open();
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   *
   * @throws InterruptedException
   */
  @Test
  public void checkAttrSynth() throws IOException, InterruptedException {
    EventSource src = new AttrSynthSource(5, 10, 20, 15, 1337);
    Event e = null;
    EventSink snk = new ConsoleEventSink(new AvroJsonOutputFormat());
    MemorySinkSource mem = new MemorySinkSource();
    while ((e = src.next()) != null) {
      snk.append(e); // visual inspection
      mem.append(e); // testing
    }

    mem.open();
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    for (Map.Entry<String, EventSource> ent : sets.entrySet()) {
      setupLocalWriteDir();
      ReportManager.get().clear();

      // copy all events into memory
      EventSource src = MemorySinkSource.bufferize(ent.getValue());
      EventSink snk = createDecoratorBenchmarkSink(ent.getKey() + "," + deco,
          deco);
      src.open();
      snk.open();
      EventUtil.dumpAll(src, snk);
      src.close();
      snk.close();
      dumpReports();
      cleanupLocalWriteDir();
    }
  }
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    return synthInMem(1000000, 100, 1);
  }

  public static MemorySinkSource synthInMem(int count, int bodySz, int seed)
      throws IOException, InterruptedException {
    EventSource txt = new NoNlASCIISynthSource(count, bodySz, seed);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);
    txt.close();
    return mem;
  }
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*/
public class TestHadoopLogData implements ExampleData {

  @Test
  public void testLineCount() throws IOException, InterruptedException {
    EventSource src = new NoNlASCIISynthSource(25, 100, 1);
    src.open();

    SimpleRegexReporterBuilder b = new SimpleRegexReporterBuilder(getClass()
        .getClassLoader().getResource(HADOOP_REGEXES).getFile());
    Collection<RegexGroupHistogramSink> sinks = b.load();
    MultiReporter mr = new MultiReporter("apache_sinks", sinks);
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    MultiGrepReporterSink<String> snk = new MultiGrepReporterSink<String>(
        "multi grep", aho);
    snk.open();

    EventSource src = new NoNlASCIISynthSource(25, 100, 1);
    src.open();

    EventUtil.dumpAll(src, snk);

    snk.append(new EventImpl(NPE.getBytes()));
    snk.append(new EventImpl(LOST.getBytes()));
    snk.append(new EventImpl(LOST.getBytes()));

    Histogram<String> h = snk.getHistogram();
    System.out.println(h);

    Assert.assertEquals(3, h.total());
    Assert.assertEquals(2, h.get(LOST));
    Assert.assertEquals(1, h.get(NPE));

    snk.close();
    src.close();

  }
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    Assert.assertEquals(1, c.size());

    MultiGrepReporterSink<String> snk = c.iterator().next();
    snk.open();

    EventSource src = new NoNlASCIISynthSource(25, 100, 1);

    src.open();

    EventUtil.dumpAll(src, snk);
    snk.append(new EventImpl(NPE.getBytes()));
    snk.append(new EventImpl(LOST.getBytes()));
    snk.append(new EventImpl(LOST.getBytes()));

    Histogram<String> h = snk.getHistogram();
    System.out.println(h);

    Assert.assertEquals(3, h.total());
    Assert.assertEquals(2, h.get(LOST));
    Assert.assertEquals(1, h.get(NPE));

    snk.close();
    src.close();

  }
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      final int ROLLS = 1000;

      // setup a source of data that will shove a lot of ack laden data into the
      // stream.
      MemorySinkSource mem = new MemorySinkSource();
      EventSource src = new NoNlASCIISynthSource(COUNT, 10);
      src.open();
      Event e;
      while ((e = src.next()) != null) {
        AckChecksumInjector<EventSink> acks = new AckChecksumInjector<EventSink>(
            mem);
        acks.open(); // memory in sink never resets, and just keeps appending
        acks.append(e);
        acks.close();
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    sink.close();
    assertEquals(0, wal.getWritingTags().size());
    assertEquals(1, wal.getLoggedTags().size());

    // logged values can transition to the sending state by getting a sender.
    EventSource curSource = wal.getUnsentSource();
    // no state change
    assertEquals(0, wal.getWritingTags().size());
    assertEquals(0, wal.getLoggedTags().size());
    assertEquals(1, wal.getSendingTags().size());

    // open changes state
    curSource.open();
    assertEquals(0, wal.getLoggedTags().size());
    assertEquals(1, wal.getSendingTags().size());

    // read next event
    Event e = null;
    ConsoleEventSink console = new ConsoleEventSink();
    while ((e = curSource.next()) != null) {
      console.append(e);
    }
    curSource.close();
    assertEquals(0, wal.getSendingTags().size());
  }
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  • com.cloudera.flume.agent.diskfailover.TestDiskFailoverDeco
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  • com.cloudera.flume.agent.durability.TestConcurrentWALMan
  • com.cloudera.flume.agent.durability.TestNaiveFileWALDeco
  • com.cloudera.flume.agent.durability.TestNaiveFileWALManager
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