content: /*
   * 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.activemq.artemis.tests.integration.bridge;
  
  import java.lang.invoke.MethodHandles;
  import java.nio.ByteBuffer;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.activemq.artemis.api.core.Message;
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.RoutingType;
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.api.core.client.ClientConsumer;
  import org.apache.activemq.artemis.api.core.client.ClientMessage;
  import org.apache.activemq.artemis.api.core.client.ClientProducer;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.SendAcknowledgementHandler;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.paging.impl.PageTimedWriter;
  import org.apache.activemq.artemis.core.paging.impl.PagingStoreImpl;
  import org.apache.activemq.artemis.core.paging.impl.PagingStoreImplAccessor;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.Queue;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.apache.activemq.artemis.tests.util.Wait;
  import org.apache.activemq.artemis.utils.RandomUtil;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * this test will simulate what a bridge sender would do with auto completes
   */
  public class BridgeSimulationTest extends ActiveMQTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     private ActiveMQServer server;
  
     private final SimpleString address = SimpleString.of("address");
  
     private final SimpleString queueName = SimpleString.of("queue");
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
  
        server = createServer(true);
        server.start();
     }
  
     @Test
     public void testSendAcknowledgements() throws Exception {
        ServerLocator locator = createInVMNonHALocator();
  
        locator.setConfirmationWindowSize(100 * 1024);
  
        try (ClientSessionFactory csf = createSessionFactory(locator); ClientSession session = csf.createSession(null, null, false, true, true, false, 1)) {
  
           Queue queue = server.createQueue(QueueConfiguration.of(queueName).setAddress(address).setRoutingType(RoutingType.ANYCAST).setDurable(true));
  
           ClientProducer prod = session.createProducer(address);
  
           PagingStoreImpl pagingStore = (PagingStoreImpl) queue.getPagingStore();
  
           CountDownLatch allowRunning = new CountDownLatch(1);
           CountDownLatch enteredSync = new CountDownLatch(1);
           CountDownLatch allowSync = new CountDownLatch(1);
           AtomicInteger doneSync = new AtomicInteger(0);
  
           runAfter(allowRunning::countDown);
           runAfter(allowSync::countDown);
  
           PageTimedWriter newWriter = new PageTimedWriter(100_000, server.getStorageManager(), pagingStore, server.getScheduledPool(), server.getExecutorFactory().getExecutor(), true, 100) {
              @Override
              public void run() {
                 logger.info("newWriter waiting to run");
                 try {
                    allowRunning.await();
                 } catch (InterruptedException e) {
                    logger.warn(e.getMessage(), e);
                    Thread.currentThread().interrupt();
  
                 }
                 logger.info("newWriter running");
                 super.run();
                 logger.info("newWriter ran");
              }
  
              @Override
              protected void performSync() throws Exception {
                 logger.info("newWriter waiting to perform sync");
                 enteredSync.countDown();
                 super.performSync();
                 try {
                    allowSync.await();
                 } catch (InterruptedException e) {
                    logger.warn(e.getMessage(), e);
                 }
                 doneSync.incrementAndGet();
                 logger.info("newWriter done with sync");
              }
           };
  
           runAfter(newWriter::stop);
  
           PageTimedWriter olderWriter = pagingStore.getPageTimedWriter();
           olderWriter.stop();
  
           newWriter.start();
  
           PagingStoreImplAccessor.replacePageTimedWriter(pagingStore, newWriter);
  
           CountDownLatch ackDone = new CountDownLatch(1);
  
           pagingStore.startPaging();
  
           SendAcknowledgementHandler handler = new SendAcknowledgementHandler() {
              @Override
              public void sendAcknowledged(Message message) {
                 logger.info("ACK Confirmation from {}", message);
                 ackDone.countDown();
              }
           };
  
           session.setSendAcknowledgementHandler(handler);
  
           ClientMessage message = session.createMessage(true);
           message.putExtraBytesProperty(Message.HDR_ROUTE_TO_IDS, ByteBuffer.allocate(8).putLong(queue.getID()).array());
           message.putExtraBytesProperty(Message.HDR_BRIDGE_DUPLICATE_ID, RandomUtil.randomBytes(10));
           prod.send(message);
  
           logger.info("Sent..");
  
           assertEquals(0, queue.getMessageCount());
           assertFalse(ackDone.await(20, TimeUnit.MILLISECONDS));
           allowRunning.countDown();
           assertFalse(ackDone.await(20, TimeUnit.MILLISECONDS));
           assertEquals(0, queue.getMessageCount());
           assertTrue(enteredSync.await(10, TimeUnit.SECONDS));
           assertFalse(ackDone.await(20, TimeUnit.MILLISECONDS));
           assertEquals(0, queue.getMessageCount());
           verifyReceive(locator, false);
           allowSync.countDown();
           assertTrue(ackDone.await(1000, TimeUnit.MILLISECONDS));
           Wait.assertEquals(1L, queue::getMessageCount, 5000, 100);
           verifyReceive(locator, true);
        }
  
     }
  
     private void verifyReceive(ServerLocator locator, boolean receive) throws Exception {
        try (ClientSessionFactory factory = locator.createSessionFactory(); ClientSession session = factory.createSession(false, true)) {
           ClientConsumer consumer = session.createConsumer(queueName);
           session.start();
           if (receive) {
              if (consumer.receive(5_000) == null) {
                 logger.warn("No message received");
                 fail("no message received");
              }
           } else {
              if (consumer.receiveImmediate() != null) {
                 logger.warn("message was received");
                 fail("message was received");
              }
           }
        }
  
     }
  }
  