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.transport.amqp.profile;
  
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  import java.util.Vector;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicLong;
  
  import jakarta.jms.BytesMessage;
  import jakarta.jms.DeliveryMode;
  import jakarta.jms.MessageConsumer;
  import jakarta.jms.MessageProducer;
  import jakarta.jms.Queue;
  import jakarta.jms.Session;
  
  import org.apache.activemq.ActiveMQSession;
  import org.apache.activemq.broker.BrokerService;
  import org.apache.activemq.broker.region.policy.PolicyEntry;
  import org.apache.activemq.broker.region.policy.PolicyMap;
  import org.apache.activemq.broker.region.policy.VMPendingQueueMessageStoragePolicy;
  import org.apache.activemq.transport.amqp.JMSClientTestSupport;
  import org.apache.qpid.jms.JmsConnection;
  import org.apache.qpid.jms.JmsConnectionFactory;
  import org.junit.Before;
  import org.junit.Ignore;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @Ignore("Use for profiling and memory testing")
  public class JmsSendReceiveStressTest extends JMSClientTestSupport  {
  
      private static final Logger LOG = LoggerFactory.getLogger(JmsSendReceiveStressTest.class);
  
      public static final int PAYLOAD_SIZE = 64 * 1024;
  
      private final byte[] payload = new byte[PAYLOAD_SIZE];
      private final int parallelProducer = 1;
      private final int parallelConsumer = 1;
      private final Vector<Throwable> exceptions = new Vector<Throwable>();
      private JmsConnectionFactory factory;
  
      private final long NUM_SENDS = 1000000;
  
      @Override
      @Before
      public void setUp() throws Exception {
          super.setUp();
  
          for (int i = 0; i < PAYLOAD_SIZE; ++i) {
              payload[i] = (byte) (i % 255);
          }
      }
  
      @Test
      public void testProduceConsume() throws Exception {
          factory = new JmsConnectionFactory(getAmqpURI(getAmqpConnectionURIOptions()));
          factory.setForceAsyncAcks(true);
          factory.setForceAsyncSend(false);
          factory.setForceSyncSend(false);
  
          final AtomicLong sharedSendCount = new AtomicLong(NUM_SENDS);
          final AtomicLong sharedReceiveCount = new AtomicLong(NUM_SENDS);
  
          Thread.sleep(2000);
  
          long start = System.currentTimeMillis();
          ExecutorService executorService = Executors.newFixedThreadPool(parallelConsumer + parallelProducer);
  
          for (int i = 0; i < parallelConsumer; i++) {
              executorService.execute(new Runnable() {
                  @Override
                  public void run() {
                      try {
                          consumeMessages(sharedReceiveCount);
                      } catch (Throwable e) {
                          exceptions.add(e);
                      }
                  }
              });
          }
          for (int i = 0; i < parallelProducer; i++) {
              executorService.execute(new Runnable() {
                  @Override
                  public void run() {
                      try {
                          publishMessages(sharedSendCount);
                      } catch (Throwable e) {
                          exceptions.add(e);
                      }
                  }
              });
          }
  
          executorService.shutdown();
          executorService.awaitTermination(30, TimeUnit.MINUTES);
          assertTrue("Producers done in time", executorService.isTerminated());
          assertTrue("No exceptions: " + exceptions, exceptions.isEmpty());
  
          double duration = System.currentTimeMillis() - start;
          LOG.info("Duration:            " + duration + "ms");
          LOG.info("Rate:                " + (NUM_SENDS * 1000 / duration) + "m/s");
      }
  
      private void consumeMessages(AtomicLong count) throws Exception {
          JmsConnection connection = (JmsConnection) factory.createConnection();
          connection.start();
          Session session = connection.createSession(false, ActiveMQSession.AUTO_ACKNOWLEDGE);
          Queue queue = session.createQueue(getDestinationName());
          MessageConsumer consumer = session.createConsumer(queue);
          long v;
          while ((v = count.decrementAndGet()) > 0) {
              if ((count.get() % 10000) == 0) {
                  LOG.info("Received message: {}", NUM_SENDS - count.get());
              }
              assertNotNull("got message " + v, consumer.receive(15000));
          }
          LOG.info("Received message: {}", NUM_SENDS);
  
          consumer.close();
      }
  
      private void publishMessages(AtomicLong count) throws Exception {
          JmsConnection connection = (JmsConnection) factory.createConnection();
          connection.start();
          Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
          Queue queue = session.createQueue(getDestinationName());
  
          MessageProducer producer = session.createProducer(queue);
          producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
  
          while (count.getAndDecrement() > 0) {
              BytesMessage message = session.createBytesMessage();
              message.writeBytes(payload);
              producer.send(message);
              if ((count.get() % 10000) == 0) {
                  LOG.info("Sent message: {}", NUM_SENDS - count.get());
              }
          }
          producer.close();
          connection.close();
      }
  
      @Override
      protected void performAdditionalConfiguration(BrokerService brokerService) throws Exception {
          PolicyEntry policyEntry = new PolicyEntry();
          policyEntry.setPendingQueuePolicy(new VMPendingQueueMessageStoragePolicy());
          policyEntry.setPrioritizedMessages(false);
          policyEntry.setExpireMessagesPeriod(0);
          policyEntry.setEnableAudit(false);
          policyEntry.setOptimizedDispatch(true);
          policyEntry.setQueuePrefetch(1); // ensure no contention on add with
                                           // matched producer/consumer
  
          PolicyMap policyMap = new PolicyMap();
          policyMap.setDefaultEntry(policyEntry);
          brokerService.setDestinationPolicy(policyMap);
      }
  
      @Override
      protected String getAmqpTransformer() {
          return "jms";
      }
  
      private String getAmqpConnectionURIOptions() {
          return "jms.presettlePolicy.presettleAll=false";
      }
  }
  