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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.
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  package org.apache.activemq.artemis.tests.integration.cluster.distribution;
  
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import javax.jms.Connection;
  import javax.jms.MessageProducer;
  import javax.jms.Session;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.Message;
  import org.apache.activemq.artemis.api.core.RoutingType;
  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.core.server.cluster.impl.MessageLoadBalancingType;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.protocol.amqp.broker.ProtonProtocolManagerFactory;
  import org.apache.qpid.jms.JmsConnectionFactory;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class AMQPMessageLoadBalancingTest extends ClusterTestBase {
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
  
        start();
     }
  
     private void start() throws Exception {
        setupServers();
  
        setRedistributionDelay(0);
     }
  
     protected boolean isNetty() {
        return true;
     }
  
     @Test
     public void testLoadBalanceAMQP() throws Exception {
        setupCluster(MessageLoadBalancingType.STRICT);
  
        startServers(0, 1);
  
        setupSessionFactory(0, isNetty());
        setupSessionFactory(1, isNetty());
  
        createQueue(0, "queues.0", "queues.0", null, true, null, null, RoutingType.ANYCAST);
        createQueue(1, "queues.0", "queues.0", null, true, null, null, RoutingType.ANYCAST);
  
        waitForBindings(0, "queues.0", 1, 0, true);
        waitForBindings(1, "queues.0", 1, 0, true);
  
        waitForBindings(0, "queues.0", 1, 0, false);
        waitForBindings(1, "queues.0", 1, 0, false);
  
  
        final int NUMBER_OF_MESSAGES = 100;
  
        // sending AMQP Messages.. they should be load balanced
        {
           JmsConnectionFactory factory = new JmsConnectionFactory("amqp://localhost:61616");
           Connection connection = factory.createConnection();
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
           MessageProducer producer = session.createProducer(session.createQueue("queues.0"));
  
           for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
              producer.send(session.createTextMessage("hello " + i));
           }
           session.commit();
  
           connection.close();
        }
  
        receiveOnBothNodes(NUMBER_OF_MESSAGES);
  
        // If a user used a message type = 7, for messages that are not embedded,
        // it should still be treated as a normal message
        {
           ClientSession sessionProducer = sfs[0].createSession();
           ClientProducer producer = sessionProducer.createProducer("queues.0");
  
           for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
              // The user is mistakenly using the same type we used for embedded messages. it should still work
              ClientMessage message = sessionProducer.createMessage(Message.EMBEDDED_TYPE, true).putIntProperty("i", i);
              message.getBodyBuffer().writeString("hello!");
              producer.send(message);
  
              // will send 2 messages.. one with stuff, another empty
              message = sessionProducer.createMessage(Message.EMBEDDED_TYPE, true);
              producer.send(message);
           }
           receiveOnBothNodes(NUMBER_OF_MESSAGES * 2);
        }
  
     }
  
     private void receiveOnBothNodes(int NUMBER_OF_MESSAGES) throws ActiveMQException {
        for (int x = 0; x <= 1; x++) {
           ClientSession sessionX = sfs[x].createSession();
           ClientConsumer consumerX = sessionX.createConsumer("queues.0");
           sessionX.start();
  
           for (int i = 0; i < NUMBER_OF_MESSAGES / 2; i++) {
              ClientMessage msg = consumerX.receive(5000);
              assertNotNull(msg);
              msg.acknowledge();
           }
           assertNull(consumerX.receiveImmediate());
           sessionX.commit();
           sessionX.close();
        }
     }
  
     protected void setupCluster(final MessageLoadBalancingType messageLoadBalancingType) throws Exception {
        setupClusterConnection("cluster0", "queues", messageLoadBalancingType, 1, isNetty(), 0, 1);
  
        setupClusterConnection("cluster1", "queues", messageLoadBalancingType, 1, isNetty(), 1, 0);
     }
  
     protected void setRedistributionDelay(final long delay) {
        AddressSettings as = new AddressSettings().setRedistributionDelay(delay);
  
        getServer(0).getAddressSettingsRepository().addMatch("queues.*", as);
        getServer(1).getAddressSettingsRepository().addMatch("queues.*", as);
     }
  
     protected void setupServers() throws Exception {
        setupServer(0, isFileStorage(), isNetty());
        setupServer(1, isFileStorage(), isNetty());
  
        servers[0].addProtocolManagerFactory(new ProtonProtocolManagerFactory());
        servers[1].addProtocolManagerFactory(new ProtonProtocolManagerFactory());
     }
  
     protected void stopServers() throws Exception {
        closeAllConsumers();
  
        closeAllSessionFactories();
  
        closeAllServerLocatorsFactories();
  
        stopServers(0, 1);
  
        clearServer(0, 1);
     }
  
  }
  