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/**
* Copyright 2016 Yahoo Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yahoo.pulsar.broker.service;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.collections.CollectionUtils;
import org.eclipse.jetty.util.BlockingArrayQueue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
import com.google.common.collect.Lists;
import com.yahoo.pulsar.common.api.proto.PulsarApi.CommandSubscribe.SubType;
import com.yahoo.pulsar.broker.service.persistent.PersistentSubscription;
import com.yahoo.pulsar.broker.service.persistent.PersistentTopic;
import com.yahoo.pulsar.client.api.Consumer;
import com.yahoo.pulsar.client.api.ConsumerConfiguration;
import com.yahoo.pulsar.client.api.Message;
import com.yahoo.pulsar.client.api.MessageId;
import com.yahoo.pulsar.client.api.Producer;
import com.yahoo.pulsar.client.api.PulsarClientException;
import com.yahoo.pulsar.client.api.SubscriptionType;
import com.yahoo.pulsar.client.util.FutureUtil;
/**
*/
public class PersistentQueueE2ETest extends BrokerTestBase {
@BeforeClass
@Override
protected void setup() throws Exception {
super.baseSetup();
}
@AfterClass
@Override
protected void cleanup() throws Exception {
super.internalCleanup();
}
private static final Logger log = LoggerFactory.getLogger(PersistentQueueE2ETest.class);
@Test
public void testSimpleConsumerEvents() throws Exception {
final String topicName = "persistent://prop/use/ns-abc/shared-topic1";
final String subName = "sub1";
final int numMsgs = 100;
ConsumerConfiguration conf = new ConsumerConfiguration();
conf.setSubscriptionType(SubscriptionType.Shared);
// 1. two consumers on the same subscription
Consumer consumer1 = pulsarClient.subscribe(topicName, subName, conf);
Consumer consumer2 = pulsarClient.subscribe(topicName, subName, conf);
PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
PersistentSubscription subRef = topicRef.getPersistentSubscription(subName);
assertNotNull(topicRef);
assertNotNull(subRef);
// 2. validate basic dispatcher state
assertTrue(subRef.getDispatcher().isConsumerConnected());
assertEquals(subRef.getDispatcher().getType(), SubType.Shared);
List<CompletableFuture<MessageId>> futures = Lists.newArrayListWithCapacity(numMsgs * 2);
Producer producer = pulsarClient.createProducer(topicName);
for (int i = 0; i < numMsgs * 2; i++) {
String message = "my-message-" + i;
futures.add(producer.sendAsync(message.getBytes()));
}
FutureUtil.waitForAll(futures).get();
rolloverPerIntervalStats();
assertEquals(subRef.getNumberOfEntriesInBacklog(), numMsgs * 2);
Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
// both consumers will together consumer all messages
Message msg;
Consumer c = consumer1;
while (true) {
try {
msg = c.receive(1, TimeUnit.SECONDS);
c.acknowledge(msg);
} catch (PulsarClientException e) {
if (c.equals(consumer1)) {
c = consumer2;
} else {
break;
}
}
}
rolloverPerIntervalStats();
// 3. messages deleted on individual acks
Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
assertEquals(subRef.getNumberOfEntriesInBacklog(), 0);
// 4. shared consumer unsubscribe not allowed
try {
consumer1.unsubscribe();
fail("should fail");
} catch (PulsarClientException e) {
// ok
}
// 5. cumulative acks disabled
consumer1.close();
producer.send("message".getBytes());
msg = consumer2.receive();
try {
consumer2.acknowledgeCumulative(msg);
fail("Should fail");
} catch (PulsarClientException e) {
assertTrue(e instanceof PulsarClientException.InvalidConfigurationException);
}
// 6. unsubscribe allowed if this is the lone consumer
try {
consumer2.unsubscribe();
} catch (PulsarClientException e) {
fail("Should not fail");
}
Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
subRef = topicRef.getPersistentSubscription(subName);
assertNull(subRef);
producer.close();
consumer2.close();
admin.persistentTopics().delete(topicName);
}
@Test
public void testReplayOnConsumerDisconnect() throws Exception {
final String topicName = "persistent://prop/use/ns-abc/shared-topic3";
final String subName = "sub3";
final int numMsgs = 100;
final List<String> messagesProduced = Lists.newArrayListWithCapacity(numMsgs);
final List<String> messagesConsumed = new BlockingArrayQueue<>(numMsgs);
ConsumerConfiguration conf1 = new ConsumerConfiguration();
conf1.setSubscriptionType(SubscriptionType.Shared);
conf1.setMessageListener((consumer, msg) -> {
try {
consumer.acknowledge(msg);
messagesConsumed.add(new String(msg.getData()));
} catch (Exception e) {
fail("Should not fail");
}
});
ConsumerConfiguration conf2 = new ConsumerConfiguration();
conf2.setSubscriptionType(SubscriptionType.Shared);
conf2.setMessageListener((consumer, msg) -> {
try {
// do nothing
} catch (Exception e) {
fail("Should not fail");
}
});
Consumer consumer1 = pulsarClient.subscribe(topicName, subName, conf1);
// consumer2 does not ack messages
Consumer consumer2 = pulsarClient.subscribe(topicName, subName, conf2);
List<CompletableFuture<MessageId>> futures = Lists.newArrayListWithCapacity(numMsgs * 2);
Producer producer = pulsarClient.createProducer(topicName);
for (int i = 0; i < numMsgs; i++) {
String message = "msg-" + i;
futures.add(producer.sendAsync(message.getBytes()));
messagesProduced.add(message);
}
FutureUtil.waitForAll(futures).get();
producer.close();
consumer2.close();
for (int n = 0; n < 10 && messagesConsumed.size() < numMsgs; n++) {
Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
}
// 1. consumer1 gets all messages
assertTrue(CollectionUtils.subtract(messagesProduced, messagesConsumed).isEmpty());
consumer1.close();
admin.persistentTopics().delete(topicName);
}
@Test
public void testConsumersWithDifferentPermits() throws Exception {
final String topicName = "persistent://prop/use/ns-abc/shared-topic4";
final String subName = "sub4";
final int numMsgs = 10000;
final AtomicInteger msgCountConsumer1 = new AtomicInteger(0);
final AtomicInteger msgCountConsumer2 = new AtomicInteger(0);
final CountDownLatch latch = new CountDownLatch(numMsgs);
int recvQ1 = 10;
ConsumerConfiguration conf1 = new ConsumerConfiguration();
conf1.setSubscriptionType(SubscriptionType.Shared);
conf1.setReceiverQueueSize(recvQ1);
conf1.setMessageListener((consumer, msg) -> {
msgCountConsumer1.incrementAndGet();
try {
consumer.acknowledge(msg);
latch.countDown();
} catch (PulsarClientException e) {
fail("Should not fail");
}
});
int recvQ2 = 1;
ConsumerConfiguration conf2 = new ConsumerConfiguration();
conf2.setSubscriptionType(SubscriptionType.Shared);
conf2.setReceiverQueueSize(recvQ2);
conf2.setMessageListener((consumer, msg) -> {
msgCountConsumer2.incrementAndGet();
try {
consumer.acknowledge(msg);
latch.countDown();
} catch (PulsarClientException e) {
fail("Should not fail");
}
});
Consumer consumer1 = pulsarClient.subscribe(topicName, subName, conf1);
Consumer consumer2 = pulsarClient.subscribe(topicName, subName, conf2);
List<CompletableFuture<MessageId>> futures = Lists.newArrayListWithCapacity(numMsgs);
Producer producer = pulsarClient.createProducer(topicName);
for (int i = 0; i < numMsgs; i++) {
String message = "msg-" + i;
futures.add(producer.sendAsync(message.getBytes()));
}
FutureUtil.waitForAll(futures).get();
producer.close();
latch.await(5, TimeUnit.SECONDS);
assertEquals(msgCountConsumer1.get(), numMsgs - numMsgs / (recvQ1 + recvQ2), numMsgs * 0.1);
assertEquals(msgCountConsumer2.get(), numMsgs / (recvQ1 + recvQ2), numMsgs * 0.1);
consumer1.close();
consumer2.close();
admin.persistentTopics().delete(topicName);
}
// this test is good to have to see the distribution, but every now and then it gets slightly different than the
// expected numbers. keeping this disabled to not break the build, but nevertheless this gives good insight into
// how the round robin distribution algorithm is behaving
@Test(enabled = false)
public void testRoundRobinBatchDistribution() throws Exception {
final String topicName = "persistent://prop/use/ns-abc/shared-topic5";
final String subName = "sub5";
final int numMsgs = 137; /* some random number different than default batch size of 100 */
final AtomicInteger counter1 = new AtomicInteger(0);
final AtomicInteger counter2 = new AtomicInteger(0);
final AtomicInteger counter3 = new AtomicInteger(0);
final CountDownLatch latch = new CountDownLatch(numMsgs * 3);
ConsumerConfiguration conf1 = new ConsumerConfiguration();
conf1.setSubscriptionType(SubscriptionType.Shared);
conf1.setReceiverQueueSize(10);
conf1.setMessageListener((consumer, msg) -> {
try {
counter1.incrementAndGet();
consumer.acknowledge(msg);
latch.countDown();
} catch (Exception e) {
fail("Should not fail");
}
});
ConsumerConfiguration conf2 = new ConsumerConfiguration();
conf2.setSubscriptionType(SubscriptionType.Shared);
conf2.setReceiverQueueSize(10);
conf2.setMessageListener((consumer, msg) -> {
try {
counter2.incrementAndGet();
consumer.acknowledge(msg);
latch.countDown();
} catch (Exception e) {
fail("Should not fail");
}
});
ConsumerConfiguration conf3 = new ConsumerConfiguration();
conf3.setSubscriptionType(SubscriptionType.Shared);
conf3.setReceiverQueueSize(10);
conf3.setMessageListener((consumer, msg) -> {
try {
counter3.incrementAndGet();
consumer.acknowledge(msg);
latch.countDown();
} catch (Exception e) {
fail("Should not fail");
}
});
// subscribe and close, so that distribution can be checked after
// all messages are published
Consumer consumer1 = pulsarClient.subscribe(topicName, subName, conf1);
Consumer consumer2 = pulsarClient.subscribe(topicName, subName, conf2);
Consumer consumer3 = pulsarClient.subscribe(topicName, subName, conf3);
List<CompletableFuture<MessageId>> futures = Lists.newArrayListWithCapacity(numMsgs);
Producer producer = pulsarClient.createProducer(topicName);
for (int i = 0; i < numMsgs * 3; i++) {
String message = "msg-" + i;
futures.add(producer.sendAsync(message.getBytes()));
}
FutureUtil.waitForAll(futures).get();
producer.close();
latch.await(1, TimeUnit.SECONDS);
/*
* total messages = 137 * 3 = 411 Each consumer has 10 permits. There will be 411 / 3*10 = 13 full distributions
* i.e. each consumer will get 130 messages. In the 14th round, the balance is 411 - 130*3 = 21. Two consumers
* will get another batch of 10 messages (Total: 140) and the 3rd one will get the last one (Total: 131)
*/
assertTrue(CollectionUtils.subtract(Lists.newArrayList(140, 140, 131),
Lists.newArrayList(counter1.get(), counter2.get(), counter3.get())).isEmpty());
consumer1.close();
consumer2.close();
consumer3.close();
admin.persistentTopics().delete(topicName);
}
@Test(timeOut = 300000)
public void testSharedSingleAckedNormalTopic() throws Exception {
String key = "test1";
final String topicName = "persistent://prop/use/ns-abc/topic-" + key;
final String subscriptionName = "my-shared-subscription-" + key;
final String messagePredicate = "my-message-" + key + "-";
final int totalMessages = 50;
// 1. producer connect
Producer producer = pulsarClient.createProducer(topicName);
PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
assertNotNull(topicRef);
assertEquals(topicRef.getProducers().size(), 1);
// 2. Create consumer
ConsumerConfiguration conf = new ConsumerConfiguration();
conf.setReceiverQueueSize(10);
conf.setSubscriptionType(SubscriptionType.Shared);
Consumer consumer1 = pulsarClient.subscribe(topicName, subscriptionName, conf);
Consumer consumer2 = pulsarClient.subscribe(topicName, subscriptionName, conf);
// 3. Producer publishes messages
for (int i = 0; i < totalMessages; i++) {
String message = messagePredicate + i;
producer.send(message.getBytes());
log.info("Producer produced " + message);
}
// 4. Receive messages
int receivedConsumer1 = 0, receivedConsumer2 = 0;
Message message1 = consumer1.receive();
Message message2 = consumer2.receive();
do {
if (message1 != null) {
log.info("Consumer 1 Received: " + new String(message1.getData()));
receivedConsumer1 += 1;
}
if (message2 != null) {
log.info("Consumer 2 Received: " + new String(message2.getData()));
receivedConsumer2 += 1;
}
message1 = consumer1.receive(10000, TimeUnit.MILLISECONDS);
message2 = consumer2.receive(10000, TimeUnit.MILLISECONDS);
} while (message1 != null || message2 != null);
log.info("Total receives = " + (receivedConsumer2 + receivedConsumer1));
assertEquals(receivedConsumer2 + receivedConsumer1, totalMessages);
// 5. Close Consumer 1
log.info("Consumer 1 closed");
consumer1.close();
// 6. Consumer 1's unAcked messages should be sent to Consumer 2
for (int i = 0; i < totalMessages; i++) {
message2 = consumer2.receive(100, TimeUnit.MILLISECONDS);
if (message2 == null) {
log.info("Consumer 2 - No Message in Incoming Message Queue, will try again");
continue;
}
log.info("Consumer 2 Received: " + new String(message2.getData()));
receivedConsumer2 += 1;
}
log.info("Total receives by Consumer 2 = " + receivedConsumer2);
assertEquals(receivedConsumer2, totalMessages);
}
@Test(timeOut = 60000)
public void testCancelReadRequestOnLastDisconnect() throws Exception {
String key = "testCancelReadRequestOnLastDisconnect";
final String topicName = "persistent://prop/use/ns-abc/topic-" + key;
final String subscriptionName = "my-shared-subscription-" + key;
final String messagePredicate = "my-message-" + key + "-";
final int totalMessages = 10;
// 1. producer connect
Producer producer = pulsarClient.createProducer(topicName);
PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName);
assertNotNull(topicRef);
assertEquals(topicRef.getProducers().size(), 1);
// 2. Create consumer
ConsumerConfiguration conf = new ConsumerConfiguration();
conf.setReceiverQueueSize(1000);
conf.setSubscriptionType(SubscriptionType.Shared);
Consumer consumer1 = pulsarClient.subscribe(topicName, subscriptionName, conf);
Consumer consumer2 = pulsarClient.subscribe(topicName, subscriptionName, conf);
// 3. Producer publishes messages
for (int i = 0; i < totalMessages; i++) {
String message = messagePredicate + i;
producer.send(message.getBytes());
log.info("Producer produced " + message);
}
// 4. Receive messages
int receivedConsumer1 = 0, receivedConsumer2 = 0;
Message message1 = consumer1.receive();
Message message2 = consumer2.receive();
do {
if (message1 != null) {
log.info("Consumer 1 Received: " + new String(message1.getData()));
receivedConsumer1 += 1;
consumer1.acknowledge(message1);
}
if (message2 != null) {
log.info("Consumer 2 Received: " + new String(message2.getData()));
receivedConsumer2 += 1;
consumer2.acknowledge(message2);
}
message1 = consumer1.receive(5000, TimeUnit.MILLISECONDS);
message2 = consumer2.receive(5000, TimeUnit.MILLISECONDS);
} while (message1 != null || message2 != null);
log.info("Total receives = " + (receivedConsumer2 + receivedConsumer1));
assertEquals(receivedConsumer2 + receivedConsumer1, totalMessages);
// 5. Close Consumer 1 and 2
log.info("Consumer 1 closed");
log.info("Consumer 2 closed");
consumer1.close();
consumer2.close();
// 6. Producer produces more messages
for (int i = totalMessages; i < 2 * totalMessages; i++) {
String message = messagePredicate + i;
producer.send(message.getBytes());
log.info("Producer produced " + message);
}
// 7. Consumer reconnects
consumer1 = pulsarClient.subscribe(topicName, subscriptionName, conf);
// 8. Check number of messages received
receivedConsumer1 = 0;
message1 = consumer1.receive();
while (message1 != null) {
log.info("Consumer 1 Received: " + new String(message1.getData()));
receivedConsumer1++;
message1 = consumer1.receive(5000, TimeUnit.MILLISECONDS);
}
log.info("Total receives by Consumer 2 = " + receivedConsumer2);
assertEquals(receivedConsumer1, totalMessages);
}
}