Examples with RawMessage io.cdap.cdap.messaging.data.RawMessage used on opensource projects

Example 1 with RawMessage

use of io.cdap.cdap.messaging.data.RawMessage in project cdap by caskdata.

the class AuditPublishTest method fetchAuditMessages.

private List<AuditMessage> fetchAuditMessages() throws TopicNotFoundException, IOException {
    List<AuditMessage> result = new ArrayList<>();
    try (CloseableIterator<RawMessage> iterator = messagingService.prepareFetch(auditTopic).fetch()) {
        while (iterator.hasNext()) {
            RawMessage message = iterator.next();
            result.add(GSON.fromJson(new String(message.getPayload(), StandardCharsets.UTF_8), AuditMessage.class));
        }
    }
    return result;
}

Example 2 with RawMessage

use of io.cdap.cdap.messaging.data.RawMessage in project cdap by caskdata.

the class ConcurrentMessageWriterTest method testMultiMaxSequence.

@Test
public void testMultiMaxSequence() throws IOException, InterruptedException {
    TopicId topicId = new NamespaceId("ns1").topic("t1");
    final TopicMetadata metadata = new TopicMetadata(topicId, new HashMap<String, String>(), 1);
    // This test the case when multiple StoreRequests combined exceeding the 65536 payload.
    // See testMaxSequence() for more details when it matters
    // Generate 3 StoreRequests, each with 43690 messages
    int msgCount = StoreRequestWriter.SEQUENCE_ID_LIMIT / 3 * 2;
    int requestCount = 3;
    List<StoreRequest> requests = new ArrayList<>();
    for (int i = 0; i < requestCount; i++) {
        List<String> payloads = new ArrayList<>(msgCount);
        for (int j = 0; j < msgCount; j++) {
            payloads.add(Integer.toString(j));
        }
        requests.add(new TestStoreRequest(topicId, payloads));
    }
    TestStoreRequestWriter testWriter = new TestStoreRequestWriter(new TimeProvider.IncrementalTimeProvider());
    // We use a custom metrics collector here to make all the persist calls reached the same latch,
    // since we know that the ConcurrentMessageWriter will emit a metrics "persist.requested" after enqueued but
    // before flushing.
    // This will make all requests batched together
    final CountDownLatch latch = new CountDownLatch(requestCount);
    final ConcurrentMessageWriter writer = new ConcurrentMessageWriter(testWriter, new MetricsCollector() {

        @Override
        public void increment(String metricName, long value) {
            if ("persist.requested".equals(metricName)) {
                latch.countDown();
                Uninterruptibles.awaitUninterruptibly(latch);
            }
        }

        @Override
        public void gauge(String metricName, long value) {
            LOG.info("MetricsContext.gauge: {} = {}", metricName, value);
        }
    });
    ExecutorService executor = Executors.newFixedThreadPool(3);
    for (final StoreRequest request : requests) {
        executor.submit(new Runnable() {

            @Override
            public void run() {
                try {
                    writer.persist(request, metadata);
                } catch (IOException e) {
                    LOG.error("Failed to persist", e);
                }
            }
        });
    }
    executor.shutdown();
    Assert.assertTrue(executor.awaitTermination(1, TimeUnit.MINUTES));
    // Validates all messages are being written
    List<RawMessage> messages = testWriter.getMessages().get(topicId);
    Assert.assertEquals(requestCount * msgCount, messages.size());
    // We expect the payload is in repeated sequence of [0..msgCount-1]
    int expectedPayload = 0;
    // The sequenceId should be (i % SEQUENCE_ID_LIMIT)
    for (int i = 0; i < messages.size(); i++) {
        RawMessage message = messages.get(i);
        MessageId messageId = new MessageId(message.getId());
        Assert.assertEquals(i / StoreRequestWriter.SEQUENCE_ID_LIMIT, messageId.getPublishTimestamp());
        Assert.assertEquals((short) (i % StoreRequestWriter.SEQUENCE_ID_LIMIT), messageId.getSequenceId());
        Assert.assertEquals(expectedPayload, Integer.parseInt(Bytes.toString(message.getPayload())));
        expectedPayload = (expectedPayload + 1) % msgCount;
    }
}

Example 3 with RawMessage

use of io.cdap.cdap.messaging.data.RawMessage in project cdap by caskdata.

the class ConcurrentMessageWriterTest method testBasic.

@Test
public void testBasic() throws IOException {
    TopicId topicId1 = new NamespaceId("ns1").topic("t1");
    TopicId topicId2 = new NamespaceId("ns2").topic("t2");
    TopicMetadata metadata1 = new TopicMetadata(topicId1, new HashMap<String, String>(), 1);
    TopicMetadata metadata2 = new TopicMetadata(topicId2, new HashMap<String, String>(), 1);
    TestStoreRequestWriter testWriter = new TestStoreRequestWriter(new TimeProvider.IncrementalTimeProvider());
    ConcurrentMessageWriter writer = new ConcurrentMessageWriter(testWriter);
    writer.persist(new TestStoreRequest(topicId1, Arrays.asList("1", "2", "3")), metadata1);
    // There should be 3 messages being written
    List<RawMessage> messages = testWriter.getMessages().get(topicId1);
    Assert.assertEquals(3, messages.size());
    // All messages should be written with timestamp 0
    List<String> payloads = new ArrayList<>();
    for (RawMessage message : messages) {
        Assert.assertEquals(0L, new MessageId(message.getId()).getPublishTimestamp());
        payloads.add(Bytes.toString(message.getPayload()));
    }
    Assert.assertEquals(Arrays.asList("1", "2", "3"), payloads);
    // Write to another topic
    writer.persist(new TestStoreRequest(topicId2, Arrays.asList("a", "b", "c")), metadata2);
    // There should be 3 messages being written to topic2
    messages = testWriter.getMessages().get(topicId2);
    Assert.assertEquals(3, messages.size());
    // All messages should be written with timestamp 1
    payloads.clear();
    for (RawMessage message : messages) {
        Assert.assertEquals(1L, new MessageId(message.getId()).getPublishTimestamp());
        payloads.add(Bytes.toString(message.getPayload()));
    }
    Assert.assertEquals(Arrays.asList("a", "b", "c"), payloads);
}

Example 4 with RawMessage

use of io.cdap.cdap.messaging.data.RawMessage in project cdap by caskdata.

the class MessagingHttpServiceTest method testLargePublish.

@Test
public void testLargePublish() throws IOException, TopicAlreadyExistsException, TopicNotFoundException, UnauthorizedException {
    // A 5MB message, which is larger than the 1MB buffer.
    String message = Strings.repeat("01234", 1024 * 1024);
    TopicId topicId = new NamespaceId("ns1").topic("testLargePublish");
    client.createTopic(new TopicMetadata(topicId));
    StoreRequest request = StoreRequestBuilder.of(topicId).addPayload(message).build();
    client.publish(request);
    // Read it back
    List<RawMessage> messages = new ArrayList<>();
    try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setLimit(10).fetch()) {
        Iterators.addAll(messages, iterator);
    }
    Assert.assertEquals(1, messages.size());
    Assert.assertEquals(Collections.singletonList(message), messages.stream().map(RawMessage::getPayload).map(Bytes::toString).collect(Collectors.toList()));
}

Example 5 with RawMessage

use of io.cdap.cdap.messaging.data.RawMessage in project cdap by caskdata.

the class MessagingHttpServiceTest method testChunkConsume.

@Test
public void testChunkConsume() throws Exception {
    // This test is to verify the message fetching body producer works correctly
    TopicId topicId = new NamespaceId("ns1").topic("testChunkConsume");
    client.createTopic(new TopicMetadata(topicId));
    // Publish 10 messages, each payload is half the size of the chunk size
    int payloadSize = cConf.getInt(Constants.MessagingSystem.HTTP_SERVER_CONSUME_CHUNK_SIZE) / 2;
    for (int i = 0; i < 10; i++) {
        String payload = Strings.repeat(Integer.toString(i), payloadSize);
        client.publish(StoreRequestBuilder.of(topicId).addPayload(payload).build());
    }
    // Fetch messages. All of them should be fetched correctly
    List<RawMessage> messages = new ArrayList<>();
    try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).fetch()) {
        Iterators.addAll(messages, iterator);
    }
    Assert.assertEquals(10, messages.size());
    for (int i = 0; i < 10; i++) {
        RawMessage message = messages.get(i);
        Assert.assertEquals(payloadSize, message.getPayload().length);
        String payload = Strings.repeat(Integer.toString(i), payloadSize);
        Assert.assertEquals(payload, Bytes.toString(message.getPayload()));
    }
    client.deleteTopic(topicId);
}