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.leak;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assumptions.assumeTrue;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.MessageProducer;
  import javax.jms.Session;
  
  import java.lang.invoke.MethodHandles;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import io.github.checkleak.core.CheckLeak;
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.RoutingType;
  import org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptor;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.Queue;
  import org.apache.activemq.artemis.core.server.impl.AddressInfo;
  import org.apache.activemq.artemis.core.settings.impl.AddressFullMessagePolicy;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.logs.AssertionLoggerHandler;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.apache.activemq.artemis.utils.SpawnedVMSupport;
  import org.apache.activemq.artemis.utils.Wait;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ProducerBlockedLeakTest extends AbstractLeakTest {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
     private static final String QUEUE_NAME = "TEST_BLOCKED_QUEUE";
  
     ActiveMQServer server;
  
     @BeforeAll
     public static void beforeClass() throws Exception {
        assumeTrue(CheckLeak.isLoaded());
     }
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
        server = createServer(true, createDefaultConfig(1, true));
        server.getConfiguration().getAddressSettings().clear();
        server.getConfiguration().getAddressSettings().put("#", new AddressSettings().setAddressFullMessagePolicy(AddressFullMessagePolicy.BLOCK).setMaxSizeMessages(10));
        server.start();
     }
  
     @Test
     public void testOPENWIRE() throws Exception {
        testBlocked("OPENWIRE");
     }
  
     @Test
     public void testCORE() throws Exception {
        testBlocked("CORE");
     }
  
     @Test
     public void testAMQP() throws Exception {
        testBlocked("AMQP");
     }
  
     private void testBlocked(String protocol) throws Exception {
        testBody(protocol);
        MemoryAssertions.basicMemoryAsserts(false);
        Queue queue = server.locateQueue(QUEUE_NAME);
        queue.deleteAllReferences();
        MemoryAssertions.basicMemoryAsserts(true);
        server.stop();
     }
  
     // separating the test into a sub-method just to allow removing local references
     // so they would be gone when basicMemoryAsserts is called
     private void testBody(String protocol) throws Exception {
        try (AssertionLoggerHandler loggerHandler = new AssertionLoggerHandler()) {
           AtomicInteger messagesSent = new AtomicInteger(0);
  
           server.addAddressInfo(new AddressInfo(QUEUE_NAME).addRoutingType(RoutingType.ANYCAST));
           server.createQueue(QueueConfiguration.of(QUEUE_NAME).setAddress(QUEUE_NAME).setRoutingType(RoutingType.ANYCAST).setDurable(true));
  
           // clients need to be disconnected while blocked. For that reason a new VM is being spawned
           Process process = SpawnedVMSupport.spawnVM(ProducerBlockedLeakTest.class.getName(), protocol, "10");
  
           // checking the logs that the destination is blocked...
           Wait.assertTrue(() -> loggerHandler.findText("AMQ222183"), 5000, 10);
  
           process.destroyForcibly();
           assertTrue(process.waitFor(10, TimeUnit.SECONDS));
  
           // Making sure there are no connections anywhere in Acceptors or RemotingService.
           // Just to speed up the test especially in OpenWire
           server.getRemotingService().getConnections().forEach(c -> c.fail(new ActiveMQException("this is it!")));
           Wait.assertEquals(0, () -> server.getRemotingService().getConnectionCount());
           server.getRemotingService().getAcceptors().forEach((a, b) -> {
              if (b instanceof NettyAcceptor acceptor) {
                 acceptor.getConnections().clear();
              }
           });
        }
     }
  
     public static void main(String[] arg) {
        String protocol = arg[0];
        int threads = Integer.parseInt(arg[1]);
        ConnectionFactory factory = CFUtil.createConnectionFactory(protocol, "tcp://localhost:61616");
        ExecutorService executorService = Executors.newFixedThreadPool(threads);
  
        for (int i = 0; i < threads; i++) {
           executorService.execute(() -> {
              try {
                 Connection connection = factory.createConnection();
                 Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
                 MessageProducer producer = session.createProducer(session.createQueue(QUEUE_NAME));
                 for (int send = 0; send < 100; send++) {
                    producer.send(session.createTextMessage("hello"));
                    session.commit();
                 }
              } catch (Exception e) {
                 logger.warn(e.getMessage(), e);
                 Runtime.getRuntime().halt(-1);
              }
           });
        }
        try {
           while (true) {
              Thread.sleep(1000);
           }
        } catch (Throwable e) {
           logger.warn(e.getMessage(), e);
           Runtime.getRuntime().halt(-1);
        }
     }
  
  }