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Example 31 with ExcerptTailer

use of net.openhft.chronicle.queue.ExcerptTailer in project Chronicle-Queue by OpenHFT.

the class MessageHistoryTest method shouldAccessMessageHistoryWhenTailerIsMovedToEnd.

@Test
public void shouldAccessMessageHistoryWhenTailerIsMovedToEnd() throws Exception {
    try (final SingleChronicleQueue inputQueue = createQueue(inputQueueDir, 1);
        final SingleChronicleQueue outputQueue = createQueue(outputQueueDir, 2)) {
        generateTestData(inputQueue, outputQueue);
        final ExcerptTailer tailer = outputQueue.createTailer();
        tailer.direction(TailerDirection.BACKWARD).toEnd();
        final ValidatingSecond validatingSecond = new ValidatingSecond();
        final MethodReader validator = tailer.methodReader(validatingSecond);
        assertThat(validator.readOne(), is(true));
        assertThat(validatingSecond.messageHistoryPresent(), is(true));
    }
}
Also used : MethodReader(net.openhft.chronicle.bytes.MethodReader) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) Test(org.junit.Test)

Example 32 with ExcerptTailer

use of net.openhft.chronicle.queue.ExcerptTailer in project Chronicle-Queue by OpenHFT.

the class MoveToIndexTest method shouldMoveToPreviousIndexAfterDocumentIsConsumed.

@Test
public void shouldMoveToPreviousIndexAfterDocumentIsConsumed() throws Exception {
    File queuePath = tmpFolder.newFolder("cq");
    try (ChronicleQueue queue = SingleChronicleQueueBuilder.binary(queuePath).build()) {
        ExcerptAppender appender = queue.acquireAppender();
        for (int i = 1; i < 10; ++i) {
            appender.writeText("id" + i);
        }
        ExcerptTailer tailer = queue.createTailer();
        assertNext(tailer, "id1");
        long index = tailer.index();
        assertNext(tailer, "id2");
        tailer.moveToIndex(index);
        assertNext(tailer, "id2");
        tailer.moveToIndex(index);
        assertNext(tailer, "id2");
    }
}
Also used : ChronicleQueue(net.openhft.chronicle.queue.ChronicleQueue) ExcerptAppender(net.openhft.chronicle.queue.ExcerptAppender) File(java.io.File) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) Test(org.junit.Test)

Example 33 with ExcerptTailer

use of net.openhft.chronicle.queue.ExcerptTailer in project Chronicle-Queue by OpenHFT.

the class MultiThreadedRollTest method test.

@Test(timeout = 10000)
public void test() throws ExecutionException, InterruptedException {
    final SetTimeProvider timeProvider = new SetTimeProvider();
    timeProvider.currentTimeMillis(1000);
    final File path = DirectoryUtils.tempDir("MultiThreadedRollTest");
    try (final RollingChronicleQueue wqueue = binary(path).testBlockSize().timeProvider(timeProvider).rollCycle(TEST_SECONDLY).build()) {
        wqueue.acquireAppender().writeText("hello world");
        try (final RollingChronicleQueue rqueue = binary(path).testBlockSize().timeProvider(timeProvider).rollCycle(TEST_SECONDLY).build()) {
            ExcerptTailer tailer = rqueue.createTailer();
            Future f = reader.submit(() -> {
                long index;
                do {
                    try (DocumentContext documentContext = tailer.readingDocument()) {
                        System.out.println("tailer.state: " + tailer.state());
                        // index is only meaningful if present.
                        index = documentContext.index();
                        // if (documentContext.isPresent())
                        final boolean present = documentContext.isPresent();
                        System.out.println("documentContext.isPresent=" + present + (present ? ",index=" + Long.toHexString(index) : ", no index"));
                        Jvm.pause(50);
                    }
                } while (index != 0x200000000L && !reader.isShutdown());
            });
            timeProvider.currentTimeMillis(2000);
            ((SingleChronicleQueueExcerpts.StoreAppender) wqueue.acquireAppender()).writeEndOfCycleIfRequired();
            Jvm.pause(200);
            wqueue.acquireAppender().writeText("hello world");
            f.get();
        }
    }
}
Also used : RollingChronicleQueue(net.openhft.chronicle.queue.impl.RollingChronicleQueue) Future(java.util.concurrent.Future) DocumentContext(net.openhft.chronicle.wire.DocumentContext) SetTimeProvider(net.openhft.chronicle.core.time.SetTimeProvider) File(java.io.File) MappedFile(net.openhft.chronicle.bytes.MappedFile) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) Test(org.junit.Test)

Example 34 with ExcerptTailer

use of net.openhft.chronicle.queue.ExcerptTailer in project Chronicle-Queue by OpenHFT.

the class NotCompleteTest method testMessageLeftNotComplete.

@Test
public void testMessageLeftNotComplete() {
    File tmpDir = DirectoryUtils.tempDir("testMessageLeftNotComplete");
    try (final ChronicleQueue queue = binary(tmpDir).testBlockSize().rollCycle(RollCycles.TEST_DAILY).build()) {
        ExcerptAppender appender = queue.acquireAppender().lazyIndexing(lazyIndexing);
        // start a message which was not completed.
        DocumentContext dc = appender.writingDocument();
        dc.wire().write("some").text("data");
    // didn't call dc.close();
    }
    final SingleChronicleQueue singleChronicleQueue = null;
    try (final ChronicleQueue queue = binary(tmpDir).testBlockSize().build()) {
        ExcerptTailer tailer = queue.createTailer();
        try (DocumentContext dc = tailer.readingDocument()) {
            assertFalse(dc.isPresent());
        }
        String expectedEager = "--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY_LIGHT,\n" + "  writePosition: [\n" + "    0,\n" + "    0\n" + "  ],\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: 8,\n" + "    indexSpacing: 1,\n" + "    index2Index: 442,\n" + "    lastIndex: 0\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: -1,\n" + "  recovery: !TimedStoreRecovery {\n" + "    timeStamp: 0\n" + "  },\n" + "  deltaCheckpointInterval: 0,\n" + "  lastIndexReplicated: -1,\n" + "  sourceId: 0\n" + "}\n" + "# position: 442, header: -1\n" + "--- !!meta-data #binary\n" + "index2index: [\n" + "  # length: 8, used: 1\n" + "  544,\n" + "  0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 544, header: -1\n" + "--- !!meta-data #binary\n" + "index: [\n" + "  # length: 8, used: 0\n" + "  0, 0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 640, header: -1 or 0\n" + "--- !!not-ready-data! #binary\n" + "...\n" + "# 130428 bytes remaining\n";
        String expectedLazy = "--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY_LIGHT,\n" + "  writePosition: [\n" + "    0,\n" + "    0\n" + "  ],\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: 8,\n" + "    indexSpacing: 1,\n" + "    index2Index: 0,\n" + "    lastIndex: 0\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: -1,\n" + "  recovery: !TimedStoreRecovery {\n" + "    timeStamp: 0\n" + "  },\n" + "  deltaCheckpointInterval: 0,\n" + "  lastIndexReplicated: -1,\n" + "  sourceId: 0\n" + "}\n" + "# position: 442, header: -1 or 0\n" + "--- !!not-ready-data! #binary\n" + "...\n" + "# 130626 bytes remaining\n";
        assertEquals(lazyIndexing ? expectedLazy : expectedEager, queue.dump());
    }
    try (final ChronicleQueue queue = binary(tmpDir).testBlockSize().timeoutMS(500).build()) {
        ExcerptAppender appender = queue.acquireAppender();
        try (DocumentContext dc = appender.writingDocument()) {
            dc.wire().write("some").text("data");
        }
        String expectedEager = "--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY_LIGHT,\n" + "  writePosition: [\n" + "    33412,\n" + "    143503447293952\n" + "  ],\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: 8,\n" + "    indexSpacing: 1,\n" + "    index2Index: 442,\n" + "    lastIndex: 1\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: -1,\n" + "  recovery: !TimedStoreRecovery {\n" + "    timeStamp: 0\n" + "  },\n" + "  deltaCheckpointInterval: 0,\n" + "  lastIndexReplicated: -1,\n" + "  sourceId: 0\n" + "}\n" + "# position: 442, header: -1\n" + "--- !!meta-data #binary\n" + "index2index: [\n" + "  # length: 8, used: 1\n" + "  544,\n" + "  0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 544, header: -1\n" + "--- !!meta-data #binary\n" + "index: [\n" + "  # length: 8, used: 1\n" + "  33412,\n" + "  0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 640, header: -1\n" + "--- !!meta-data #binary\n" + "\"!! Skipped due to recovery of locked header !!";
        String expectedEagerFooter = "# position: 33412, header: 0\n" + "--- !!data #binary\n" + "some: data\n" + "...\n" + "# 97642 bytes remaining\n";
        String expectedLazy = "--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY_LIGHT,\n" + "  writePosition: [\n" + "    33408,\n" + "    143486267424768\n" + "  ],\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: 8,\n" + "    indexSpacing: 1,\n" + "    index2Index: 33212,\n" + "    lastIndex: 1\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: -1,\n" + "  recovery: !TimedStoreRecovery {\n" + "    timeStamp: 0\n" + "  },\n" + "  deltaCheckpointInterval: 0,\n" + "  lastIndexReplicated: -1,\n" + "  sourceId: 0\n" + "}\n" + "# position: 442, header: -1\n" + "--- !!meta-data #binary\n" + "\"!! Skipped due to recovery of locked header !!";
        String expectedLazyFooter = "# position: 33212, header: -1\n" + "--- !!meta-data #binary\n" + "index2index: [\n" + "  # length: 8, used: 1\n" + "  33312,\n" + "  0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 33312, header: -1\n" + "--- !!meta-data #binary\n" + "index: [\n" + "  # length: 8, used: 1\n" + "  33408,\n" + "  0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "# position: 33408, header: 0\n" + "--- !!data #binary\n" + "some: data\n" + "...\n" + "# 97646 bytes remaining\n";
        if (lazyIndexing) {
            assertThat(queue.dump(), containsString(expectedLazy));
            assertThat(queue.dump(), containsString(expectedLazyFooter));
        } else {
            assertThat(queue.dump(), containsString(expectedEager));
            assertThat(queue.dump(), containsString(expectedEagerFooter));
        }
    }
}
Also used : ChronicleQueue(net.openhft.chronicle.queue.ChronicleQueue) ExcerptAppender(net.openhft.chronicle.queue.ExcerptAppender) CoreMatchers.containsString(org.hamcrest.CoreMatchers.containsString) DocumentContext(net.openhft.chronicle.wire.DocumentContext) File(java.io.File) MappedFile(net.openhft.chronicle.bytes.MappedFile) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) Test(org.junit.Test)

Example 35 with ExcerptTailer

use of net.openhft.chronicle.queue.ExcerptTailer in project Chronicle-Queue by OpenHFT.

the class NotCompleteTest method testInterruptedDuringSerialisation.

@Test
public void testInterruptedDuringSerialisation() throws InterruptedException {
    final File tmpDir = DirectoryUtils.tempDir("testInterruptedDuringSerialisation_" + (lazyIndexing ? "lazy" : "eager"));
    DirectoryUtils.deleteDir(tmpDir);
    tmpDir.mkdirs();
    final List<String> names = Collections.synchronizedList(new ArrayList<>());
    final Person person1 = new Person(40, "Terry");
    final Person interrupter = new Person(50, Person.INTERRUPT);
    final Person thrower = new Person(80, Person.THROW);
    final Person person2 = new Person(90, "Bert");
    try (final ChronicleQueue queueReader = binary(tmpDir).testBlockSize().rollCycle(RollCycles.TEST_DAILY).timeoutMS(500).build();
        final ChronicleQueue queueWriter = binary(tmpDir).testBlockSize().rollCycle(RollCycles.TEST_DAILY).build()) {
        ExcerptTailer tailer = queueReader.createTailer();
        MethodReader reader = tailer.methodReader((PersonListener) person -> names.add(person.name));
        final StringBuilder queueDumpBeforeInterruptedWrite = new StringBuilder();
        // set up
        doWrite(queueWriter, (proxy, queue) -> {
            proxy.accept(person1);
            queueDumpBeforeInterruptedWrite.append(queue.dump());
        });
        String cleanedQueueDump = cleanQueueDump(queueDumpBeforeInterruptedWrite.toString());
        // start up writer thread
        Thread writerThread = new Thread(() -> doWrite(queueWriter, (proxy, queue) -> {
            // thread is interrupted during this
            proxy.accept(interrupter);
        }));
        writerThread.start();
        writerThread.join();
        try (final ChronicleQueue queue = binary(tmpDir).testBlockSize().rollCycle(RollCycles.TEST_DAILY).build()) {
            String dump = cleanQueueDump(queue.dump());
            assertEquals("queue should be unchanged by the interrupted write", cleanedQueueDump, dump);
        }
        // check only 1 written
        assertTrue(reader.readOne());
        assertEquals(1, names.size());
        assertEquals(person1.name, names.get(0));
        assertFalse(reader.readOne());
        // do a write that throws an exception
        doWrite(queueWriter, (proxy, queue) -> {
            try {
                proxy.accept(thrower);
            } catch (NullPointerException npe) {
            // ignore
            }
        });
        try (final ChronicleQueue queue = binary(tmpDir).testBlockSize().rollCycle(RollCycles.TEST_DAILY).build()) {
            String dump = cleanQueueDump(queue.dump());
            if (lazyIndexing) {
                // reading the queue creates the index, thus changing it, so do a text comparison here
                cleanedQueueDump = "--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY_LIGHT,\n" + "  writePosition: [\n" + "    442,\n" + "    0\n" + "  ],\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: 8,\n" + "    indexSpacing: 1,\n" + "    index2Index: 475,\n" + "    lastIndex: 0\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: -1,\n" + "  recovery: !TimedStoreRecovery {\n" + "    timeStamp: 0\n" + "  },\n" + "  deltaCheckpointInterval: 0,\n" + "  lastIndexReplicated: -1,\n" + "  sourceId: 0\n" + "}\n" + "# position: 442, header: 0\n" + "--- !!data #binary\n" + "accept: {\n" + "  age: 40,\n" + "  name: Terry\n" + "}\n" + "# position: 475, header: 0\n" + "--- !!meta-data #binary\n" + "index2index: [\n" + "  # length: 8, used: 0\n" + "  0, 0, 0, 0, 0, 0, 0, 0\n" + "]\n" + "...\n" + "\n";
            }
            assertEquals("queue should be unchanged by the failed write", cleanedQueueDump, dump);
        }
        // check nothing else written
        assertFalse(reader.readOne());
        // do an empty write
        ExcerptAppender appender = queueWriter.acquireAppender().lazyIndexing(lazyIndexing);
        DocumentContext wd = appender.writingDocument();
        wd.rollbackOnClose();
        wd.close();
        // check queue unchanged
        String dump = cleanQueueDump(queueWriter.dump());
        assertEquals("queue should be unchanged by the failed write", cleanedQueueDump, dump);
        // check nothing else written
        assertFalse(reader.readOne());
        // write another person to same queue in this thread
        doWrite(queueWriter, (proxy, queue) -> proxy.accept(person2));
        assertTrue(reader.readOne());
        assertEquals(2, names.size());
        assertEquals(person2.name, names.get(1));
        assertFalse(reader.readOne());
    }
}
Also used : MethodReader(net.openhft.chronicle.bytes.MethodReader) Arrays(java.util.Arrays) RunWith(org.junit.runner.RunWith) SingleChronicleQueueBuilder.binary(net.openhft.chronicle.queue.impl.single.SingleChronicleQueueBuilder.binary) ArrayList(java.util.ArrayList) Assert.assertThat(org.junit.Assert.assertThat) After(org.junit.After) BiConsumer(java.util.function.BiConsumer) DirectoryUtils(net.openhft.chronicle.queue.DirectoryUtils) ExcerptAppender(net.openhft.chronicle.queue.ExcerptAppender) BinaryLongReference(net.openhft.chronicle.bytes.ref.BinaryLongReference) Parameterized(org.junit.runners.Parameterized) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) DocumentContext(net.openhft.chronicle.wire.DocumentContext) CoreMatchers.containsString(org.hamcrest.CoreMatchers.containsString) ChronicleQueue(net.openhft.chronicle.queue.ChronicleQueue) Collection(java.util.Collection) Assert.assertTrue(org.junit.Assert.assertTrue) Test(org.junit.Test) BinaryLongArrayReference(net.openhft.chronicle.bytes.ref.BinaryLongArrayReference) File(java.io.File) MappedFile(net.openhft.chronicle.bytes.MappedFile) WireOut(net.openhft.chronicle.wire.WireOut) List(java.util.List) Ignore(org.junit.Ignore) Assert.assertFalse(org.junit.Assert.assertFalse) RollCycles(net.openhft.chronicle.queue.RollCycles) NotNull(org.jetbrains.annotations.NotNull) Marshallable(net.openhft.chronicle.wire.Marshallable) Collections(java.util.Collections) Assert.assertEquals(org.junit.Assert.assertEquals) CoreMatchers.containsString(org.hamcrest.CoreMatchers.containsString) ExcerptTailer(net.openhft.chronicle.queue.ExcerptTailer) ChronicleQueue(net.openhft.chronicle.queue.ChronicleQueue) ExcerptAppender(net.openhft.chronicle.queue.ExcerptAppender) DocumentContext(net.openhft.chronicle.wire.DocumentContext) File(java.io.File) MappedFile(net.openhft.chronicle.bytes.MappedFile) MethodReader(net.openhft.chronicle.bytes.MethodReader) Test(org.junit.Test)

Aggregations

ExcerptTailer (net.openhft.chronicle.queue.ExcerptTailer)45 Test (org.junit.Test)39 ExcerptAppender (net.openhft.chronicle.queue.ExcerptAppender)34 File (java.io.File)24 DocumentContext (net.openhft.chronicle.wire.DocumentContext)22 ChronicleQueue (net.openhft.chronicle.queue.ChronicleQueue)15 MappedFile (net.openhft.chronicle.bytes.MappedFile)11 ArrayList (java.util.ArrayList)5 MethodReader (net.openhft.chronicle.bytes.MethodReader)5 RollingChronicleQueue (net.openhft.chronicle.queue.impl.RollingChronicleQueue)5 IOException (java.io.IOException)4 SetTimeProvider (net.openhft.chronicle.core.time.SetTimeProvider)4 Arrays (java.util.Arrays)3 Collection (java.util.Collection)3 Bytes (net.openhft.chronicle.bytes.Bytes)3 ChronicleQueueTestBase (net.openhft.chronicle.queue.ChronicleQueueTestBase)3 SingleChronicleQueue (net.openhft.chronicle.queue.impl.single.SingleChronicleQueue)3 Wire (net.openhft.chronicle.wire.Wire)3 ByteBuffer (java.nio.ByteBuffer)2 Future (java.util.concurrent.Future)2