Examples with DocumentContext net.openhft.chronicle.wire.DocumentContext used on opensource projects

Example 66 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class DetectNotReadyEntriesTest method testDeadEntries.

@Test
public void testDeadEntries() throws FileNotFoundException {
    // TODO FIX.
    if (OS.isWindows())
        return;
    File dir = new File(OS.TARGET, getClass().getSimpleName() + "-" + System.nanoTime());
    dir.mkdir();
    MappedBytes bytes = MappedBytes.mappedBytes(new File(dir, "19700101" + SingleChronicleQueue.SUFFIX), 64 << 10);
    Wire wire = new BinaryWire(bytes);
    try (DocumentContext dc = wire.writingDocument(true)) {
        dc.wire().writeEventName(() -> "header").typePrefix(SingleChronicleQueueStore.class).marshallable(w -> {
            w.write(() -> "wireType").object(WireType.BINARY);
            w.write(() -> "writePosition").int64forBinding(288 + 4 + 17);
            w.write(() -> "roll").typedMarshallable(new SCQRoll(RollCycles.DAILY, 0));
            w.write(() -> "indexing").typedMarshallable(new SCQIndexing(WireType.BINARY, 32 << 10, 32));
            w.write(() -> "lastAcknowledgedIndexReplicated").int64forBinding(0);
        });
    }
    long pos = wire.bytes().writePosition();
    try (DocumentContext dc = wire.writingDocument(false)) {
        dc.wire().write("test").text("Hello World");
    }
    assertEquals(17, wire.bytes().readInt(pos));
    // make it incomplete, note that the length is removed,
    // since writing a length into an incomplete excerpt is not allowed
    wire.bytes().writeInt(pos, Wires.NOT_COMPLETE);
    assertEquals("--- !!meta-data #binary\n" + "header: !SCQStore {\n" + "  wireType: !WireType BINARY,\n" + "  writePosition: 309,\n" + "  roll: !SCQSRoll {\n" + "    length: !int 86400000,\n" + "    format: yyyyMMdd,\n" + "    epoch: 0\n" + "  },\n" + "  indexing: !SCQSIndexing {\n" + "    indexCount: !int 32768,\n" + "    indexSpacing: 32,\n" + "    index2Index: 0,\n" + "    lastIndex: 0\n" + "  },\n" + "  lastAcknowledgedIndexReplicated: 0\n" + "}\n" + "# position: 288, header: -1 or 0\n" + "--- !!not-ready-data! #binary\n" + "...\n" + "# 17 bytes remaining\n", Wires.fromSizePrefixedBlobs(bytes.readPosition(0)));
    bytes.release();
    try (SingleChronicleQueue queue = SingleChronicleQueueBuilder.binary(dir).testBlockSize().build()) {
        queue.acquireAppender().writeText("Bye for now");
    }
    try {
        IOTools.shallowDeleteDirWithFiles(dir.getAbsolutePath());
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 67 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext 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();
        }
    }
}

Example 68 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext 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));
        }
    }
}

Example 69 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext 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());
    }
}

Example 70 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class QueueInspectorTest method shouldIndicateNoProcessIdWhenDocumentIsComplete.

@Test
public void shouldIndicateNoProcessIdWhenDocumentIsComplete() throws IOException {
    try (final SingleChronicleQueue queue = SingleChronicleQueueBuilder.binary(tmpDir.newFolder()).testBlockSize().build()) {
        final QueueInspector inspector = new QueueInspector(queue);
        final ExcerptAppender appender = queue.acquireAppender();
        appender.writeDocument(37L, ValueOut::int64);
        try (final DocumentContext ctx = appender.writingDocument()) {
            ctx.wire().write("foo").int32(17L);
        }
        final int writingThreadId = inspector.getWritingThreadId();
        assertThat(writingThreadId, is(not(OS.getProcessId())));
        assertThat(QueueInspector.isValidThreadId(writingThreadId), is(false));
    }
}