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.ra;
  
  import org.apache.activemq.ActiveMQConnection;
  import org.apache.activemq.ActiveMQSession;
  import org.apache.activemq.command.ActiveMQMessage;
  import org.apache.activemq.command.ActiveMQTextMessage;
  import org.apache.activemq.command.ConsumerId;
  import org.apache.activemq.command.MessageDispatch;
  import org.apache.activemq.command.MessageId;
  import org.apache.activemq.command.TransactionInfo;
  import org.apache.activemq.util.Wait;
  import org.hamcrest.Description;
  import org.hamcrest.Matchers;
  import org.jmock.Expectations;
  import org.jmock.Mockery;
  import org.jmock.api.Action;
  import org.jmock.api.Invocation;
  import org.jmock.imposters.ByteBuddyClassImposteriser;
  import org.jmock.integration.junit4.JMock;
  import org.jmock.integration.junit4.JUnitRuleMockery;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Ignore;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import jakarta.jms.JMSException;
  import jakarta.jms.Session;
  import jakarta.resource.spi.BootstrapContext;
  import jakarta.resource.spi.endpoint.MessageEndpointFactory;
  import jakarta.resource.spi.work.ExecutionContext;
  import jakarta.resource.spi.work.Work;
  import jakarta.resource.spi.work.WorkListener;
  import jakarta.resource.spi.work.WorkManager;
  import javax.transaction.xa.XAResource;
  import java.lang.reflect.Method;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.concurrent.atomic.AtomicReference;
  
  import static org.hamcrest.Matchers.nullValue;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  @Ignore
  @RunWith(JMock.class)
  public class ServerSessionImplTest {
  
      @Rule
      public JUnitRuleMockery context = new JUnitRuleMockery() {
          {
              setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
          }
      };
  
      private static final Logger LOG = LoggerFactory.getLogger(ServerSessionImplTest.class);
      private static final String BROKER_URL = "vm://localhost?broker.persistent=false";
  
      private ServerSessionImpl serverSession;
      private ServerSessionPoolImpl pool;
      private WorkManager workManager;
      private MessageEndpointProxy messageEndpoint;
      private ActiveMQConnection con;
      private ActiveMQSession session;
      private ActiveMQEndpointWorker endpointWorker;
  
      @Before
      public void setUp() throws Exception {
          org.apache.activemq.ActiveMQConnectionFactory factory = new org.apache.activemq.ActiveMQConnectionFactory(BROKER_URL);
          con = (ActiveMQConnection) factory.createConnection();
          con.start();
          session = (ActiveMQSession) con.createSession(false, Session.AUTO_ACKNOWLEDGE);
      }
  
      @After
      public void tearDown() throws Exception {
          if (con != null) {
              con.close();
          }
      }
  
      @Test
      public void testRunDetectsStoppedSession() throws Exception {
  
          pool = context.mock(ServerSessionPoolImpl.class);
          workManager = context.mock(WorkManager.class);
          messageEndpoint = context.mock(MessageEndpointProxy.class);
  
          serverSession = new ServerSessionImpl(pool, session, workManager, messageEndpoint, false, 10);
  
          con.close();
          context.checking(new Expectations() {
              {
                  oneOf(pool).removeFromPool(with(same(serverSession)));
              }
          });
          serverSession.run();
      }
  
      @Test
      public void testCloseCanStopActiveSession() throws Exception {
  
          final int maxMessages = 4000;
          final CountDownLatch messageCount = new CountDownLatch(maxMessages);
  
          final MessageEndpointFactory messageEndpointFactory = context.mock(MessageEndpointFactory.class);
          final MessageResourceAdapter resourceAdapter = context.mock(MessageResourceAdapter.class);
          final ActiveMQEndpointActivationKey key = context.mock(ActiveMQEndpointActivationKey.class);
          messageEndpoint = context.mock(MessageEndpointProxy.class);
          workManager = context.mock(WorkManager.class);
          final MessageActivationSpec messageActivationSpec = context.mock(MessageActivationSpec.class);
          final BootstrapContext boostrapContext = context.mock(BootstrapContext.class);
          context.checking(new Expectations() {
              {
                  allowing(boostrapContext).getWorkManager();
                  will(returnValue(workManager));
                  allowing(resourceAdapter).getBootstrapContext();
                  will(returnValue(boostrapContext));
                  allowing(messageEndpointFactory).isDeliveryTransacted(with(any(Method.class)));
                  will(returnValue(Boolean.FALSE));
                  allowing(key).getMessageEndpointFactory();
                  will(returnValue(messageEndpointFactory));
                  allowing(key).getActivationSpec();
                  will(returnValue(messageActivationSpec));
                  allowing(messageActivationSpec).isUseJndi();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).getDestinationType();
                  will(returnValue("jakarta.jms.Queue"));
                  allowing(messageActivationSpec).getDestination();
                  will(returnValue("Queue"));
                  allowing(messageActivationSpec).getAcknowledgeModeForSession();
                  will(returnValue(1));
                  allowing(messageActivationSpec).getMaxSessionsIntValue();
                  will(returnValue(1));
                  allowing(messageActivationSpec).getEnableBatchBooleanValue();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).isUseRAManagedTransactionEnabled();
                  will(returnValue(Boolean.TRUE));
                  allowing(messageEndpointFactory).createEndpoint(with(nullValue(XAResource.class)));
                  will(returnValue(messageEndpoint));
  
                  allowing(workManager).scheduleWork((Work) with(any(Work.class)), with(any(long.class)), with(any(ExecutionContext.class)),
                      with(any(WorkListener.class)));
                  will(new Action() {
                      @Override
                      public Object invoke(Invocation invocation) throws Throwable {
                          return null;
                      }
  
                      @Override
                      public void describeTo(Description description) {
                      }
                  });
  
                  allowing(messageEndpoint).beforeDelivery((Method) with(any(Method.class)));
                  allowing(messageEndpoint).onMessage(with(any(jakarta.jms.Message.class)));
                  will(new Action() {
                      @Override
                      public Object invoke(Invocation invocation) throws Throwable {
                          messageCount.countDown();
                          if (messageCount.getCount() < maxMessages - 11) {
                              TimeUnit.MILLISECONDS.sleep(200);
                          }
                          return null;
                      }
  
                      @Override
                      public void describeTo(Description description) {
                          description.appendText("Keep message count");
                      }
                  });
                  allowing(messageEndpoint).afterDelivery();
                  allowing(messageEndpoint).release();
  
                  allowing(workManager).scheduleWork(
                      with(any(Work.class)),
                      with(any(Long.TYPE)),
                      with(nullValue(ExecutionContext.class)),
                      with(nullValue(WorkListener.class)));
  
              }
          });
  
          endpointWorker = new ActiveMQEndpointWorker(resourceAdapter, key);
          endpointWorker.setConnection(con);
          pool = new ServerSessionPoolImpl(endpointWorker, 2);
  
          endpointWorker.start();
          final ServerSessionImpl serverSession1 = (ServerSessionImpl) pool.getServerSession();
  
          // preload the session dispatch queue to keep the session active
          ActiveMQSession session1 = (ActiveMQSession) serverSession1.getSession();
          for (int i = 0; i < maxMessages; i++) {
              MessageDispatch messageDispatch = new MessageDispatch();
              ActiveMQMessage message = new ActiveMQTextMessage();
              message.setMessageId(new MessageId("0:0:0:" + i));
              message.getMessageId().setBrokerSequenceId(i);
              messageDispatch.setMessage(message);
              messageDispatch.setConsumerId(new ConsumerId("0:0:0"));
              session1.dispatch(messageDispatch);
          }
  
          ExecutorService executorService = Executors.newCachedThreadPool();
          final CountDownLatch runState = new CountDownLatch(1);
          executorService.execute(new Runnable() {
              @Override
              public void run() {
                  try {
                      serverSession1.run();
                      runState.countDown();
                  } catch (Exception e) {
                      e.printStackTrace();
                  }
              }
          });
  
          Wait.waitFor(new Wait.Condition() {
              @Override
              public boolean isSatisified() throws Exception {
                  return messageCount.getCount() < maxMessages - 10;
              }
          });
          assertTrue("some messages consumed", messageCount.getCount() < maxMessages);
          LOG.info("Closing pool on {}", messageCount.getCount());
          pool.close();
  
          assertTrue("run has completed", runState.await(20, TimeUnit.SECONDS));
          assertTrue("not all messages consumed", messageCount.getCount() > 0);
      }
  
      @Test
      public void testGetWhenClosed() throws Exception {
  
          final int maxMessages = 2000;
          final AtomicReference<CountDownLatch> messageCountRef = new AtomicReference<CountDownLatch>();
  
          ExecutorService executorService = Executors.newCachedThreadPool();
  
  
          final MessageEndpointFactory messageEndpointFactory = context.mock(MessageEndpointFactory.class);
          final MessageResourceAdapter resourceAdapter = context.mock(MessageResourceAdapter.class);
          final ActiveMQEndpointActivationKey key = context.mock(ActiveMQEndpointActivationKey.class);
          messageEndpoint = context.mock(MessageEndpointProxy.class);
          workManager = context.mock(WorkManager.class);
          final MessageActivationSpec messageActivationSpec = context.mock(MessageActivationSpec.class);
          final BootstrapContext boostrapContext = context.mock(BootstrapContext.class);
          context.checking(new Expectations() {
              {
                  allowing(boostrapContext).getWorkManager();
                  will(returnValue(workManager));
                  allowing(resourceAdapter).getBootstrapContext();
                  will(returnValue(boostrapContext));
                  allowing(messageEndpointFactory).isDeliveryTransacted(with(any(Method.class)));
                  will(returnValue(Boolean.FALSE));
                  allowing(key).getMessageEndpointFactory();
                  will(returnValue(messageEndpointFactory));
                  allowing(key).getActivationSpec();
                  will(returnValue(messageActivationSpec));
                  allowing(messageActivationSpec).isUseJndi();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).getDestinationType();
                  will(returnValue("jakarta.jms.Queue"));
                  allowing(messageActivationSpec).getDestination();
                  will(returnValue("Queue"));
                  allowing(messageActivationSpec).getAcknowledgeModeForSession();
                  will(returnValue(1));
                  allowing(messageActivationSpec).getMaxSessionsIntValue();
                  will(returnValue(10));
                  allowing(messageActivationSpec).getEnableBatchBooleanValue();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).isUseRAManagedTransactionEnabled();
                  will(returnValue(Boolean.TRUE));
                  allowing(messageEndpointFactory).createEndpoint(with(nullValue(XAResource.class)));
                  will(returnValue(messageEndpoint));
  
                  allowing(workManager).scheduleWork((Work) with(any(Work.class)), with(any(long.class)), with(any(ExecutionContext.class)),
                          with(any(WorkListener.class)));
                  will(new Action() {
                      @Override
                      public Object invoke(Invocation invocation) throws Throwable {
                          LOG.info("Wok manager invocation: " + invocation);
  
                          if (invocation.getParameter(0) instanceof ServerSessionImpl) {
                              final ServerSessionImpl serverSession1 = (ServerSessionImpl)invocation.getParameter(0);
                              executorService.execute(new Runnable() {
                                  @Override
                                  public void run() {
                                      try {
                                          serverSession1.run();
                                      } catch (Exception e) {
                                          LOG.error("Error on Work run: {}", serverSession1, e);
                                          e.printStackTrace();
                                      }
                                  }
                              });
                          }
                          return null;
                      }
  
                      @Override
                      public void describeTo(Description description) {
                      }
                  });
  
                  allowing(messageEndpoint).beforeDelivery((Method) with(any(Method.class)));
                  allowing(messageEndpoint).onMessage(with(any(jakarta.jms.Message.class)));
                  will(new Action() {
                      @Override
                      public Object invoke(Invocation invocation) throws Throwable {
                          messageCountRef.get().countDown();
                          return null;
                      }
  
                      @Override
                      public void describeTo(Description description) {
                          description.appendText("Keep message count");
                      }
                  });
                  allowing(messageEndpoint).afterDelivery();
                  will(new Action() {
                      @Override
                      public void describeTo(Description description) {
                          description.appendText("do sync work on broker");
                      }
  
                      @Override
                      public Object invoke(Invocation invocation) throws Throwable {
                          TransactionInfo transactionInfo = new TransactionInfo();
                          transactionInfo.setType(TransactionInfo.END);
                          LOG.info("AfterDelivery on: " + messageCountRef.get().getCount());
                          return null;
                      }
                  });
                  allowing(messageEndpoint).release();
  
                  allowing(workManager).scheduleWork(
                      with(any(Work.class)),
                      with(any(Long.TYPE)),
                      with(nullValue(ExecutionContext.class)),
                      with(nullValue(WorkListener.class)));
  
              }
          });
  
          endpointWorker = new ActiveMQEndpointWorker(resourceAdapter, key);
          endpointWorker.setConnection(con);
  
  
          for (int i=0; i<40; i++) {
              final int iteration  = i;
              LOG.info("ITERATION: " +  iteration);
              pool = new ServerSessionPoolImpl(endpointWorker, 2);
              endpointWorker.start();
  
              messageCountRef.set(new CountDownLatch(maxMessages));
  
              final CountDownLatch senderDone = new CountDownLatch(1);
              final CountDownLatch messageSent = new CountDownLatch(maxMessages);
              final AtomicBoolean foundClosedSession = new AtomicBoolean(false);
              executorService.execute(new Runnable() {
                  @Override
                  public void run() {
                      try {
                          // preload the session dispatch queue to keep the session active
  
                          for (int i = 0; i < maxMessages; i++) {
                              MessageDispatch messageDispatch = new MessageDispatch();
                              ActiveMQMessage message = new ActiveMQTextMessage();
                              message.setMessageId(new MessageId("0:0:0:" + i));
                              message.getMessageId().setBrokerSequenceId(i);
                              messageDispatch.setMessage(message);
                              messageDispatch.setConsumerId(new ConsumerId("0:0:0"));
                              ServerSessionImpl serverSession1 = null;
                              try {
                                  serverSession1 = (ServerSessionImpl) pool.getServerSession();
                                  ActiveMQSession session1 = (ActiveMQSession) serverSession1.getSession();
                                  if (session1.isClosed()) {
                                      // closed flag is not volatile - ok to give a whirl with it closed
                                      foundClosedSession.set(true);
                                  }
                                  session1.dispatch(messageDispatch);
                                  messageSent.countDown();
                                  serverSession1.start();
                              } catch (JMSException okOnClose) {
                                  LOG.info("Exception on dispatch to {}", serverSession1, okOnClose);
                              }
                          }
                      } catch (Throwable e) {
                          e.printStackTrace();
                      } finally {
                          senderDone.countDown();
                      }
                  }
              });
  
              assertTrue("[" + iteration + "] Some messages dispatched", Wait.waitFor(new Wait.Condition() {
                  @Override
                  public boolean isSatisified() throws Exception {
                      LOG.info("[" + iteration + "] Wait before close work MessageSent: " + messageSent.getCount() + ", messages got: "+ messageCountRef.get().getCount());
                      return messageSent.getCount() < maxMessages - 20 && messageCountRef.get().getCount() < maxMessages - 5;
                  }
              }, 5000, 10));
  
              assertTrue("some messages consumed", messageCountRef.get().getCount() < maxMessages);
  
              final CountDownLatch closeDone = new CountDownLatch(1);
              final CountDownLatch closeSuccess = new CountDownLatch(1);
  
              executorService.execute(new Runnable() {
                  @Override
                  public void run() {
                      LOG.info("[" + iteration + "] Closing pool on delivered {} and dispatched {}", messageSent.getCount(), messageCountRef.get().getCount());
                      try {
                          pool.close();
                          closeSuccess.countDown();
                      } catch (InvalidMessageEndpointException error) {
                          LOG.error("Ex on pool close", error);
                          //error.printStackTrace();
                      } finally {
                          closeDone.countDown();
                      }
                  }
              });
  
              assertTrue("[" + iteration + "] Pool close does not block", closeDone.await(10, TimeUnit.SECONDS));
              assertTrue("[" + iteration + "] Pool close ok", closeSuccess.await(10, TimeUnit.MILLISECONDS));
  
              assertTrue("[" + iteration + "] sender complete", senderDone.await(30, TimeUnit.SECONDS));
          }
      }
  
  
  
      @Test
      public void testSessionReusedByPool() throws Exception {
  
          final MessageEndpointFactory messageEndpointFactory = context.mock(MessageEndpointFactory.class);
          final MessageResourceAdapter resourceAdapter = context.mock(MessageResourceAdapter.class);
          final ActiveMQEndpointActivationKey key = context.mock(ActiveMQEndpointActivationKey.class);
          messageEndpoint = context.mock(MessageEndpointProxy.class);
          workManager = context.mock(WorkManager.class);
          final MessageActivationSpec messageActivationSpec = context.mock(MessageActivationSpec.class);
          final BootstrapContext bootstrapContext = context.mock(BootstrapContext.class);
          context.checking(new Expectations() {
              {
                  allowing(bootstrapContext).getWorkManager();
                  will(returnValue(workManager));
                  allowing(resourceAdapter).getBootstrapContext();
                  will(returnValue(bootstrapContext));
                  allowing(messageEndpointFactory).isDeliveryTransacted(with(any(Method.class)));
                  will(returnValue(Boolean.FALSE));
                  allowing(key).getMessageEndpointFactory();
                  will(returnValue(messageEndpointFactory));
                  allowing(key).getActivationSpec();
                  will(returnValue(messageActivationSpec));
                  allowing(messageActivationSpec).isUseJndi();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).getDestinationType();
                  will(returnValue("jakarta.jms.Queue"));
                  allowing(messageActivationSpec).getDestination();
                  will(returnValue("Queue"));
                  allowing(messageActivationSpec).getAcknowledgeModeForSession();
                  will(returnValue(1));
                  allowing(messageActivationSpec).getMaxSessionsIntValue();
                  will(returnValue(10));
                  allowing(messageActivationSpec).getEnableBatchBooleanValue();
                  will(returnValue(Boolean.FALSE));
                  allowing(messageActivationSpec).isUseRAManagedTransactionEnabled();
                  will(returnValue(Boolean.TRUE));
                  allowing(messageEndpointFactory).createEndpoint(with(nullValue(XAResource.class)));
                  will(returnValue(messageEndpoint));
  
                  allowing(workManager).scheduleWork((Work) with(any(Work.class)), with(any(long.class)), with(any(ExecutionContext.class)),
                          with(any(WorkListener.class)));
                  allowing(messageEndpoint).release();
  
                  allowing(workManager).scheduleWork(
                      with(any(Work.class)),
                      with(any(Long.TYPE)),
                      with(nullValue(ExecutionContext.class)),
                      with(nullValue(WorkListener.class)));
              }
          });
  
          endpointWorker = new ActiveMQEndpointWorker(resourceAdapter, key);
          endpointWorker.setConnection(con);
  
          pool = new ServerSessionPoolImpl(endpointWorker, 2);
          endpointWorker.start();
  
          // the test!
          ServerSessionImpl first = (ServerSessionImpl) pool.getServerSession();
          pool.returnToPool(first);
  
          ServerSessionImpl reused = (ServerSessionImpl) pool.getServerSession();
          assertEquals("got reuse", first, reused);
      }
  }
  