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   * 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.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.lang.invoke.MethodHandles;
  
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  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.ServerLocator;
  import org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryImpl;
  import org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl;
  import org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnection;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ConsumerStuckTest extends ActiveMQTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     private ActiveMQServer server;
  
     private final SimpleString QUEUE = SimpleString.of("ConsumerTestQueue");
  
     protected boolean isNetty() {
        return true;
     }
  
     @BeforeEach
     @Override
     public void setUp() throws Exception {
        super.setUp();
  
        server = createServer(false, isNetty());
  
        server.start();
     }
  
     @Test
     public void testClientStuckTest() throws Exception {
  
        ServerLocator locator = createNettyNonHALocator().setConnectionTTL(1000).setClientFailureCheckPeriod(100).setConsumerWindowSize(10 * 1024 * 1024).setCallTimeout(1000);
        ClientSessionFactory sf = locator.createSessionFactory();
        ((ClientSessionFactoryImpl) sf).stopPingingAfterOne();
  
        RemotingConnectionImpl remotingConnection = (RemotingConnectionImpl) sf.getConnection();
        ClientSession session = sf.createSession(false, true, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        ClientProducer producer = session.createProducer(QUEUE);
  
        final int numMessages = 10000;
  
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = createTextMessage(session, "m" + i);
           producer.send(message);
        }
  
        final ClientConsumer consumer = session.createConsumer(QUEUE);
        session.start();
  
        final NettyConnection nettyConnection = (NettyConnection) remotingConnection.getTransportConnection();
  
        Thread tReceive = new Thread(() -> {
           boolean first = true;
           try {
              while (!Thread.interrupted()) {
                 ClientMessage received = consumer.receive(500);
                 logger.debug("Received {}", received);
                 if (first) {
                    first = false;
                    nettyConnection.getNettyChannel().config().setAutoRead(false);
                 }
                 if (received != null) {
                    received.acknowledge();
                 }
              }
           } catch (Throwable e) {
              Thread.currentThread().interrupt();
              e.printStackTrace();
           }
        });
  
        tReceive.start();
  
        try {
  
           assertEquals(1, server.getSessions().size());
  
           logger.debug("sessions = {}", server.getSessions().size());
  
           assertEquals(1, server.getConnectionCount());
  
           long timeout = System.currentTimeMillis() + 20000;
  
           long timeStart = System.currentTimeMillis();
  
           while (timeout > System.currentTimeMillis() && (server.getSessions().size() != 0 || server.getConnectionCount() != 0)) {
              Thread.sleep(10);
           }
  
           logger.debug("Time = {} time diff = {}, connections Size = {} sessions = {}",
              System.currentTimeMillis(), (System.currentTimeMillis() - timeStart), server.getConnectionCount(), server.getSessions().size());
  
           if (server.getSessions().size() != 0) {
              System.out.println(threadDump("Thread dump"));
              fail("The cleanup wasn't able to finish cleaning the session. It's probably stuck, look at the thread dump generated by the test for more information");
           }
  
           logger.debug("Size = {}", server.getConnectionCount());
  
           logger.debug("sessions = {}", server.getSessions().size());
  
           if (server.getSessions().size() != 0) {
              System.out.println(threadDump("Thread dump"));
              fail("The cleanup wasn't able to finish cleaning the session. It's probably stuck, look at the thread dump generated by the test for more information");
           }
           assertEquals(0, server.getConnectionCount());
        } finally {
           nettyConnection.getNettyChannel().config().setAutoRead(true);
           tReceive.interrupt();
           tReceive.join();
        }
     }
  
     @Test
     public void testClientStuckTestWithDirectDelivery() throws Exception {
  
        ServerLocator locator = createNettyNonHALocator().setConnectionTTL(1000).setClientFailureCheckPeriod(100).setConsumerWindowSize(10 * 1024 * 1024).setCallTimeout(1000);
        ClientSessionFactory sf = locator.createSessionFactory();
        ((ClientSessionFactoryImpl) sf).stopPingingAfterOne();
  
        RemotingConnectionImpl remotingConnection = (RemotingConnectionImpl) sf.getConnection();
        ClientSession session = sf.createSession(false, true, true, true);
  
        session.createQueue(QueueConfiguration.of(QUEUE).setDurable(false));
  
        final int numMessages = 10000;
  
        final ClientConsumer consumer = session.createConsumer(QUEUE);
        session.start();
  
        final NettyConnection nettyConnection = (NettyConnection) remotingConnection.getTransportConnection();
  
        Thread tReceive = new Thread(() -> {
           boolean first = true;
           try {
              while (!Thread.interrupted()) {
                 ClientMessage received = consumer.receive(500);
                 logger.debug("Received {}", received);
                 if (first) {
                    first = false;
                    nettyConnection.getNettyChannel().config().setAutoRead(false);
                 }
                 if (received != null) {
                    received.acknowledge();
                 }
              }
           } catch (Throwable e) {
              Thread.currentThread().interrupt();
              e.printStackTrace();
           }
        });
  
        tReceive.start();
  
        Thread sender = new Thread(() -> {
           try (
              ServerLocator locator1 = createNettyNonHALocator();
              ClientSessionFactory factory = locator1.createSessionFactory();
              ClientSession session1 = factory.createSession(false, true, true, true);
              ClientProducer producer = session1.createProducer(QUEUE);
           ) {
              for (int i = 0; i < numMessages; i++) {
                 ClientMessage message = createTextMessage(session1, "m" + i);
                 producer.send(message);
              }
           } catch (Exception e) {
              e.printStackTrace();
           }
        });
  
        sender.start();
  
        try {
  
           long timeout = System.currentTimeMillis() + 20000;
  
           while (System.currentTimeMillis() < timeout && server.getSessions().size() != 2) {
              Thread.sleep(10);
           }
  
           assertEquals(2, server.getSessions().size());
  
           logger.debug("sessions = {}", server.getSessions().size());
  
           assertEquals(2, server.getConnectionCount());
  
           timeout = System.currentTimeMillis() + 20000;
  
           while (System.currentTimeMillis() < timeout && server.getSessions().size() != 1) {
              Thread.sleep(10);
           }
  
           logger.debug("Size = {}", server.getConnectionCount());
  
           logger.debug("sessions = {}", server.getSessions().size());
  
           if (server.getSessions().size() != 1) {
              System.out.println(threadDump("Thread dump"));
              fail("The cleanup wasn't able to finish cleaning the session. It's probably stuck, look at the thread dump generated by the test for more information");
           }
  
           sender.join();
  
           timeout = System.currentTimeMillis() + 20000;
  
           while (System.currentTimeMillis() < timeout && server.getConnectionCount() != 0) {
              Thread.sleep(10);
           }
           assertEquals(0, server.getConnectionCount());
        } finally {
           nettyConnection.getNettyChannel().config().setAutoRead(true);
           tReceive.interrupt();
           tReceive.join();
        }
     }
  
  }
  