use of co.cask.cdap.messaging.data.MessageId in project cdap by caskdata.
the class MessagingHttpServiceTest method testBasicPubSub.
@Test
public void testBasicPubSub() throws Exception {
TopicId topicId = new NamespaceId("ns1").topic("testBasicPubSub");
// Publish to a non-existing topic should get not found exception
try {
client.publish(StoreRequestBuilder.of(topicId).addPayloads("a").build());
Assert.fail("Expected TopicNotFoundException");
} catch (TopicNotFoundException e) {
// Expected
}
// Consume from a non-existing topic should get not found exception
try {
client.prepareFetch(topicId).fetch();
Assert.fail("Expected TopicNotFoundException");
} catch (TopicNotFoundException e) {
// Expected
}
client.createTopic(new TopicMetadata(topicId));
// Publish a non-transactional message with empty payload should result in failure
try {
client.publish(StoreRequestBuilder.of(topicId).build());
Assert.fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// Expected
}
// Publish a non-tx message, no RollbackDetail is returned
Assert.assertNull(client.publish(StoreRequestBuilder.of(topicId).addPayloads("m0", "m1").build()));
// Publish a transactional message, a RollbackDetail should be returned
RollbackDetail rollbackDetail = client.publish(StoreRequestBuilder.of(topicId).addPayloads("m2").setTransaction(1L).build());
Assert.assertNotNull(rollbackDetail);
// Rollback the published message
client.rollback(topicId, rollbackDetail);
// Fetch messages non-transactionally (should be able to read all the messages since rolled back messages
// are still visible until ttl kicks in)
List<RawMessage> messages = new ArrayList<>();
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).fetch()) {
Iterators.addAll(messages, iterator);
}
Assert.assertEquals(3, messages.size());
for (int i = 0; i < 3; i++) {
Assert.assertEquals("m" + i, Bytes.toString(messages.get(i).getPayload()));
}
// Consume transactionally. It should get only m0 and m1 since m2 has been rolled back
List<RawMessage> txMessages = new ArrayList<>();
Transaction transaction = new Transaction(3L, 3L, new long[0], new long[] { 2L }, 2L);
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartTime(0).setTransaction(transaction).fetch()) {
Iterators.addAll(txMessages, iterator);
}
Assert.assertEquals(2, txMessages.size());
for (int i = 0; i < 2; i++) {
Assert.assertEquals("m" + i, Bytes.toString(messages.get(i).getPayload()));
}
// Fetch again from a given message offset exclusively.
// Expects one message to be fetched
byte[] startMessageId = messages.get(1).getId();
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).fetch()) {
// It should have only one message (m2)
Assert.assertTrue(iterator.hasNext());
RawMessage msg = iterator.next();
Assert.assertEquals("m2", Bytes.toString(msg.getPayload()));
}
// Fetch again from the last message offset exclusively
// Expects no message to be fetched
startMessageId = messages.get(2).getId();
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).fetch()) {
Assert.assertFalse(iterator.hasNext());
}
// Fetch with start time. It should get both m0 and m1 since they are published in the same request, hence
// having the same publish time
startMessageId = messages.get(1).getId();
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartTime(new MessageId(startMessageId).getPublishTimestamp()).setLimit(2).fetch()) {
messages.clear();
Iterators.addAll(messages, iterator);
}
Assert.assertEquals(2, messages.size());
for (int i = 0; i < 2; i++) {
Assert.assertEquals("m" + i, Bytes.toString(messages.get(i).getPayload()));
}
// Publish 2 messages, one transactionally, one without transaction
client.publish(StoreRequestBuilder.of(topicId).addPayloads("m3").setTransaction(2L).build());
client.publish(StoreRequestBuilder.of(topicId).addPayloads("m4").build());
// Consume without transactional, it should see m2, m3 and m4
startMessageId = messages.get(1).getId();
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).fetch()) {
messages.clear();
Iterators.addAll(messages, iterator);
}
Assert.assertEquals(3, messages.size());
for (int i = 0; i < 3; i++) {
Assert.assertEquals("m" + (i + 2), Bytes.toString(messages.get(i).getPayload()));
}
// Consume using a transaction that doesn't have tx = 2L visible. It should get no message as it should block on m3
transaction = new Transaction(3L, 3L, new long[0], new long[] { 2L }, 2L);
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).setTransaction(transaction).fetch()) {
Assert.assertFalse(iterator.hasNext());
}
// Consume using a transaction that has tx = 2L in the invalid list. It should skip m3 and got m4
transaction = new Transaction(3L, 3L, new long[] { 2L }, new long[0], 0L);
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).setTransaction(transaction).fetch()) {
messages.clear();
Iterators.addAll(messages, iterator);
}
Assert.assertEquals(1, messages.size());
Assert.assertEquals("m4", Bytes.toString(messages.get(0).getPayload()));
// Consume using a transaction that has tx = 2L committed. It should get m3 and m4
transaction = new Transaction(3L, 3L, new long[0], new long[0], 0L);
try (CloseableIterator<RawMessage> iterator = client.prepareFetch(topicId).setStartMessage(startMessageId, false).setTransaction(transaction).fetch()) {
messages.clear();
Iterators.addAll(messages, iterator);
}
Assert.assertEquals(2, messages.size());
for (int i = 0; i < 2; i++) {
Assert.assertEquals("m" + (i + 3), Bytes.toString(messages.get(i).getPayload()));
}
client.deleteTopic(topicId);
}
use of co.cask.cdap.messaging.data.MessageId in project cdap by caskdata.
the class DataCleanupTest method testOldGenCleanup.
@Test
public void testOldGenCleanup() throws Exception {
try (MetadataTable metadataTable = getMetadataTable();
MessageTable messageTable = getMessageTable();
PayloadTable payloadTable = getPayloadTable()) {
int txWritePtr = 100;
TopicId topicId = NamespaceId.DEFAULT.topic("oldGenCleanup");
TopicMetadata topic = new TopicMetadata(topicId, TopicMetadata.TTL_KEY, "100000", TopicMetadata.GENERATION_KEY, Integer.toString(GENERATION));
metadataTable.createTopic(topic);
List<MessageTable.Entry> entries = new ArrayList<>();
List<PayloadTable.Entry> pentries = new ArrayList<>();
byte[] messageId = new byte[MessageId.RAW_ID_SIZE];
MessageId.putRawId(0L, (short) 0, 0L, (short) 0, messageId, 0);
entries.add(new TestMessageEntry(topicId, GENERATION, "data", txWritePtr, (short) 0));
pentries.add(new TestPayloadEntry(topicId, GENERATION, "data", txWritePtr, (short) 0));
messageTable.store(entries.iterator());
payloadTable.store(pentries.iterator());
// Fetch the entries and make sure we are able to read it
try (CloseableIterator<MessageTable.Entry> iterator = messageTable.fetch(topic, 0, Integer.MAX_VALUE, null)) {
checkMessageEntry(iterator, txWritePtr);
}
try (CloseableIterator<PayloadTable.Entry> iterator = payloadTable.fetch(topic, txWritePtr, new MessageId(messageId), true, 100)) {
checkPayloadEntry(iterator, txWritePtr);
}
// Now run full compaction
forceFlushAndCompact(Table.MESSAGE);
forceFlushAndCompact(Table.PAYLOAD);
// Fetch the entries and make sure we are able to read it
try (CloseableIterator<MessageTable.Entry> iterator = messageTable.fetch(topic, 0, Integer.MAX_VALUE, null)) {
checkMessageEntry(iterator, txWritePtr);
}
try (CloseableIterator<PayloadTable.Entry> iterator = payloadTable.fetch(topic, txWritePtr, new MessageId(messageId), true, 100)) {
checkPayloadEntry(iterator, txWritePtr);
}
metadataTable.deleteTopic(topicId);
// Sleep so that the metadata cache in coprocessor expires
TimeUnit.SECONDS.sleep(3 * METADATA_CACHE_EXPIRY);
forceFlushAndCompact(Table.MESSAGE);
forceFlushAndCompact(Table.PAYLOAD);
try (CloseableIterator<MessageTable.Entry> iterator = messageTable.fetch(topic, 0, Integer.MAX_VALUE, null)) {
Assert.assertFalse(iterator.hasNext());
}
try (CloseableIterator<PayloadTable.Entry> iterator = payloadTable.fetch(topic, txWritePtr, new MessageId(messageId), true, 100)) {
Assert.assertFalse(iterator.hasNext());
}
}
}
use of co.cask.cdap.messaging.data.MessageId in project cdap by caskdata.
the class CachingMessageTableTest method testCachePruning.
@Test
public void testCachePruning() throws Exception {
long txGracePeriod = 6;
CConfiguration cConf = CConfiguration.create();
cConf.setLong(CachingMessageTable.PRUNE_GRACE_PERIOD, txGracePeriod);
// Creates a CachingMessageTable with a controlled time provider
final AtomicLong currentTimeMillis = new AtomicLong(0);
MessageTable messageTable = new CachingMessageTable(cConf, super.getMessageTable(), cacheProvider, new TimeProvider() {
@Override
public long currentTimeMillis() {
return currentTimeMillis.get();
}
});
// Insert 10 entries, with different publish time
TopicMetadata metadata = new TopicMetadata(NamespaceId.DEFAULT.topic("test"), TopicMetadata.GENERATION_KEY, 1, TopicMetadata.TTL_KEY, 86400);
for (int i = 0; i < 10; i++) {
// Key is (topic, generation, publish time, sequence id)
byte[] key = Bytes.concat(MessagingUtils.toDataKeyPrefix(metadata.getTopicId(), metadata.getGeneration()), Bytes.toBytes((long) i), Bytes.toBytes((short) 0));
// Store a message with a write pointer
messageTable.store(Collections.singleton(new ImmutableMessageTableEntry(key, Bytes.toBytes("Payload " + i), Bytes.toBytes((long) i))).iterator());
}
// Update the current time to 11
currentTimeMillis.set(11);
// Fetch from the table without transaction, should get all entries.
try (CloseableIterator<MessageTable.Entry> iter = messageTable.fetch(metadata, 0, 100, null)) {
List<MessageTable.Entry> entries = Lists.newArrayList(iter);
Assert.assertEquals(10, entries.size());
// All entries must be from the cache
for (MessageTable.Entry entry : entries) {
Assert.assertTrue(entry instanceof CachingMessageTable.CacheMessageTableEntry);
}
}
// Fetch with a transaction, with start time older than tx grace period / 2
Transaction tx = new Transaction(10, 11, new long[0], new long[0], 11);
long startTime = currentTimeMillis.get() - txGracePeriod / 2 - 1;
try (CloseableIterator<MessageTable.Entry> iter = messageTable.fetch(metadata, startTime, 100, tx)) {
List<MessageTable.Entry> entries = Lists.newArrayList(iter);
// Should get three entries (7, 8, 9)
Assert.assertEquals(3, entries.size());
// The first entry should be from the table, while the last two entries (timestamp 8 and 9) should be
// from cache (current time = 11, grace period = 3)
Iterator<MessageTable.Entry> iterator = entries.iterator();
Assert.assertFalse(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
Assert.assertTrue(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
Assert.assertTrue(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
}
// Fetch with a transaction, with start messageId publish time older than tx grace period / 2
byte[] rawId = new byte[MessageId.RAW_ID_SIZE];
MessageId.putRawId(startTime, (short) 0, 0L, (short) 0, rawId, 0);
MessageId messageId = new MessageId(rawId);
try (CloseableIterator<MessageTable.Entry> iter = messageTable.fetch(metadata, messageId, true, 100, tx)) {
List<MessageTable.Entry> entries = Lists.newArrayList(iter);
// Should get three entries (7, 8, 9)
Assert.assertEquals(3, entries.size());
// The first entry should be from the table, while the last two entries (timestamp 8 and 9) should be
// from cache (current time = 11, grace period = 3)
Iterator<MessageTable.Entry> iterator = entries.iterator();
Assert.assertFalse(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
Assert.assertTrue(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
Assert.assertTrue(iterator.next() instanceof CachingMessageTable.CacheMessageTableEntry);
}
}
use of co.cask.cdap.messaging.data.MessageId in project cdap by caskdata.
the class ConcurrentMessageWriterTest method testMaxSequence.
@Test
public void testMaxSequence() throws IOException {
// This test the case when a single StoreRequest has more than SEQUENCE_ID_LIMIT (65536) payload.
// Expected entries beyond the max seqId will be rolled to the next timestamp with seqId reset to start from 0
// Generate SEQUENCE_ID_LIMIT + 1 payloads
int msgCount = StoreRequestWriter.SEQUENCE_ID_LIMIT + 1;
List<String> payloads = new ArrayList<>(msgCount);
for (int i = 0; i < msgCount; i++) {
payloads.add(Integer.toString(i));
}
TopicId topicId = new NamespaceId("ns1").topic("t1");
TopicMetadata metadata = new TopicMetadata(topicId, new HashMap<String, String>(), 1);
// Write the payloads
TestStoreRequestWriter testWriter = new TestStoreRequestWriter(new TimeProvider.IncrementalTimeProvider());
ConcurrentMessageWriter writer = new ConcurrentMessageWriter(testWriter);
writer.persist(new TestStoreRequest(topicId, payloads), metadata);
List<RawMessage> messages = testWriter.getMessages().get(topicId);
Assert.assertEquals(msgCount, messages.size());
// The first SEQUENCE_ID_LIMIT messages should be with the same timestamp, with seqId from 0 to SEQUENCE_ID_LIMIT
for (int i = 0; i < StoreRequestWriter.SEQUENCE_ID_LIMIT; i++) {
MessageId id = new MessageId(messages.get(i).getId());
Assert.assertEquals(0L, id.getPublishTimestamp());
Assert.assertEquals((short) i, id.getSequenceId());
}
// The (SEQUENCE_ID_LIMIT + 1)th message should have a different timestamp and seqId = 0
MessageId id = new MessageId(messages.get(msgCount - 1).getId());
Assert.assertEquals(1L, id.getPublishTimestamp());
Assert.assertEquals(0, id.getPayloadSequenceId());
}
use of co.cask.cdap.messaging.data.MessageId 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);
}
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