| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.pulsar.broker.service; |
| |
| import static org.mockito.Mockito.any; |
| import static org.mockito.Mockito.anyBoolean; |
| import static org.mockito.Mockito.anyInt; |
| import static org.mockito.Mockito.anyString; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| import io.netty.channel.DefaultEventLoop; |
| import io.netty.util.internal.DefaultPriorityQueue; |
| import java.util.Optional; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.bookkeeper.mledger.Position; |
| import org.apache.bookkeeper.mledger.impl.PositionImpl; |
| import org.apache.pulsar.broker.PulsarServerException; |
| import org.apache.pulsar.broker.PulsarService; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.client.api.Producer; |
| import org.apache.pulsar.client.api.ProducerBuilder; |
| import org.apache.pulsar.client.api.Schema; |
| import org.apache.pulsar.client.impl.PulsarClientImpl; |
| import org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap; |
| import org.awaitility.Awaitility; |
| import org.awaitility.reflect.WhiteboxImpl; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| @Test(groups = "broker") |
| public class AbstractReplicatorTest { |
| |
| @Test |
| public void testRetryStartProducerStoppedByTopicRemove() throws Exception { |
| final String localCluster = "localCluster"; |
| final String remoteCluster = "remoteCluster"; |
| final String topicName = "remoteTopicName"; |
| final String replicatorPrefix = "pulsar.repl"; |
| final DefaultEventLoop eventLoopGroup = new DefaultEventLoop(); |
| // Mock services. |
| final ServiceConfiguration pulsarConfig = mock(ServiceConfiguration.class); |
| final PulsarService pulsar = mock(PulsarService.class); |
| final BrokerService broker = mock(BrokerService.class); |
| final Topic localTopic = mock(Topic.class); |
| final PulsarClientImpl localClient = mock(PulsarClientImpl.class); |
| final PulsarClientImpl remoteClient = mock(PulsarClientImpl.class); |
| final ProducerBuilder producerBuilder = mock(ProducerBuilder.class); |
| final ConcurrentOpenHashMap<String, CompletableFuture<Optional<Topic>>> topics = new ConcurrentOpenHashMap<>(); |
| when(broker.executor()).thenReturn(eventLoopGroup); |
| when(broker.getTopics()).thenReturn(topics); |
| when(remoteClient.newProducer(any(Schema.class))).thenReturn(producerBuilder); |
| when(broker.pulsar()).thenReturn(pulsar); |
| when(pulsar.getClient()).thenReturn(localClient); |
| when(pulsar.getConfiguration()).thenReturn(pulsarConfig); |
| when(pulsarConfig.getReplicationProducerQueueSize()).thenReturn(100); |
| when(localTopic.getName()).thenReturn(topicName); |
| when(producerBuilder.topic(any())).thenReturn(producerBuilder); |
| when(producerBuilder.messageRoutingMode(any())).thenReturn(producerBuilder); |
| when(producerBuilder.enableBatching(anyBoolean())).thenReturn(producerBuilder); |
| when(producerBuilder.sendTimeout(anyInt(), any())).thenReturn(producerBuilder); |
| when(producerBuilder.maxPendingMessages(anyInt())).thenReturn(producerBuilder); |
| when(producerBuilder.producerName(anyString())).thenReturn(producerBuilder); |
| // Mock create producer fail. |
| when(producerBuilder.create()).thenThrow(new RuntimeException("mocked ex")); |
| CompletableFuture failedFuture = CompletableFuture.supplyAsync(() -> { |
| throw new RuntimeException("mocked ex"); |
| }); |
| when(producerBuilder.createAsync()).thenReturn(failedFuture); |
| // Make race condition: "retry start producer" and "close replicator". |
| final ReplicatorInTest replicator = new ReplicatorInTest(localCluster, localTopic, remoteCluster, topicName, |
| replicatorPrefix, broker, remoteClient); |
| replicator.startProducer(); |
| replicator.disconnect(); |
| |
| // Verify task will done. |
| Awaitility.await().atMost(10, TimeUnit.SECONDS).untilAsserted(() -> { |
| AtomicInteger taskCounter = new AtomicInteger(); |
| CountDownLatch checkTaskFinished = new CountDownLatch(1); |
| eventLoopGroup.execute(() -> { |
| synchronized (replicator) { |
| LinkedBlockingQueue taskQueue = WhiteboxImpl.getInternalState(eventLoopGroup, "taskQueue"); |
| DefaultPriorityQueue scheduledTaskQueue = |
| WhiteboxImpl.getInternalState(eventLoopGroup, "scheduledTaskQueue"); |
| taskCounter.set(taskQueue.size() + scheduledTaskQueue.size()); |
| checkTaskFinished.countDown(); |
| } |
| }); |
| checkTaskFinished.await(); |
| Assert.assertEquals(taskCounter.get(), 0); |
| }); |
| } |
| |
| private static class ReplicatorInTest extends AbstractReplicator { |
| |
| public ReplicatorInTest(String localCluster, Topic localTopic, String remoteCluster, String remoteTopicName, |
| String replicatorPrefix, BrokerService brokerService, |
| PulsarClientImpl replicationClient) throws PulsarServerException { |
| super(localTopic, remoteCluster, remoteTopicName, replicatorPrefix, brokerService, |
| replicationClient); |
| } |
| |
| protected String getProducerName() { |
| return "pulsar.repl.producer"; |
| } |
| |
| @Override |
| protected void readEntries(Producer<byte[]> producer) { |
| |
| } |
| |
| @Override |
| protected Position getReplicatorReadPosition() { |
| return PositionImpl.EARLIEST; |
| } |
| |
| @Override |
| protected long getNumberOfEntriesInBacklog() { |
| return 0; |
| } |
| |
| @Override |
| protected void disableReplicatorRead() { |
| |
| } |
| } |
| } |