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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.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.ActiveMQExceptionType;
  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.ClientRequestor;
  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.MessageHandler;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.client.impl.ClientMessageImpl;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.settings.impl.AddressFullMessagePolicy;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.apache.activemq.artemis.utils.RandomUtil;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class RequestorTest extends ActiveMQTestBase {
  
     private ActiveMQServer server;
     private ClientSessionFactory sf;
     private ServerLocator locator;
  
     @Test
     public void testRequest() throws Exception {
        final SimpleString key = RandomUtil.randomUUIDSimpleString();
        long value = RandomUtil.randomLong();
        SimpleString requestAddress = SimpleString.of("AdTest");
        SimpleString requestQueue = RandomUtil.randomUUIDSimpleString();
  
        final ClientSession session = sf.createSession(false, true, true);
  
        session.start();
  
        session.createQueue(QueueConfiguration.of(requestQueue).setAddress(requestAddress).setDurable(false).setTemporary(true));
  
        ClientConsumer requestConsumer = session.createConsumer(requestQueue);
        requestConsumer.setMessageHandler(new SimpleMessageHandler(key, session));
  
        ClientRequestor requestor = new ClientRequestor(session, requestAddress);
        ClientMessage request = session.createMessage(false);
        request.putLongProperty(key, value);
  
        ClientMessage reply = requestor.request(request, 500);
        assertNotNull(reply, "reply was not received");
        assertEquals(value, reply.getObjectProperty(key));
  
        Thread.sleep(5000);
        session.close();
     }
  
     @Test
     public void testManyRequestsOverBlocked() throws Exception {
        final SimpleString key = RandomUtil.randomUUIDSimpleString();
        long value = RandomUtil.randomLong();
  
        AddressSettings settings = new AddressSettings().setAddressFullMessagePolicy(AddressFullMessagePolicy.BLOCK).setMaxSizeBytes(1024);
        server.getAddressSettingsRepository().addMatch("#", settings);
  
        SimpleString requestAddress = SimpleString.of("RequestAddress");
  
        SimpleString requestQueue = SimpleString.of("RequestAddress Queue");
  
        final ClientSession sessionRequest = sf.createSession(false, true, true);
  
        sessionRequest.createQueue(QueueConfiguration.of(requestQueue).setAddress(requestAddress));
  
        sessionRequest.start();
  
        ClientConsumer requestConsumer = sessionRequest.createConsumer(requestQueue);
        requestConsumer.setMessageHandler(new SimpleMessageHandler(key, sessionRequest));
  
        for (int i = 0; i < 2000; i++) {
           final ClientSession session = sf.createSession(false, true, true);
  
           session.start();
  
           ClientRequestor requestor = new ClientRequestor(session, requestAddress);
           ClientMessage request = session.createMessage(false);
           request.putLongProperty(key, value);
  
           ClientMessage reply = requestor.request(request, 5000);
           assertNotNull(reply, "reply was not received");
           reply.acknowledge();
           assertEquals(value, reply.getObjectProperty(key));
           requestor.close();
           session.close();
        }
  
        sessionRequest.close();
  
     }
  
     @Test
     public void testTwoRequests() throws Exception {
        final SimpleString key = RandomUtil.randomUUIDSimpleString();
        long value = RandomUtil.randomLong();
        SimpleString requestAddress = RandomUtil.randomUUIDSimpleString();
        SimpleString requestQueue = RandomUtil.randomUUIDSimpleString();
  
        ClientSessionFactory sf = createSessionFactory(locator);
        final ClientSession session = sf.createSession(false, true, true);
  
        session.start();
  
        session.createQueue(QueueConfiguration.of(requestQueue).setAddress(requestAddress).setDurable(false).setTemporary(true));
  
        ClientConsumer requestConsumer = session.createConsumer(requestQueue);
        requestConsumer.setMessageHandler(new SimpleMessageHandler(key, session));
  
        ClientRequestor requestor = new ClientRequestor(session, requestAddress);
        ClientMessage request = session.createMessage(false);
        request.putLongProperty(key, value);
  
        ClientMessage reply = requestor.request(request, 500);
        assertNotNull(reply, "reply was not received");
        assertEquals(value, reply.getObjectProperty(key));
  
        request = session.createMessage(false);
        request.putLongProperty(key, value + 1);
  
        reply = requestor.request(request, 500);
        assertNotNull(reply, "reply was not received");
        assertEquals(value + 1, reply.getObjectProperty(key));
  
        session.close();
     }
  
     @Test
     public void testRequestWithRequestConsumerWhichDoesNotReply() throws Exception {
        SimpleString requestAddress = RandomUtil.randomUUIDSimpleString();
        SimpleString requestQueue = RandomUtil.randomUUIDSimpleString();
  
        ClientSessionFactory sf = createSessionFactory(locator);
        final ClientSession session = sf.createSession(false, true, true);
  
        session.start();
  
        session.createQueue(QueueConfiguration.of(requestQueue).setAddress(requestAddress).setDurable(false).setTemporary(true));
  
        ClientConsumer requestConsumer = session.createConsumer(requestQueue);
        // return a message with the negative request's value
        requestConsumer.setMessageHandler(request -> {
           // do nothing -> no reply
        });
  
        ClientRequestor requestor = new ClientRequestor(session, requestAddress);
        ClientMessage request = session.createMessage(false);
  
        ClientMessage reply = requestor.request(request, 500);
        assertNull(reply);
  
        session.close();
     }
  
     @Test
     public void testClientRequestorConstructorWithClosedSession() throws Exception {
        final SimpleString requestAddress = RandomUtil.randomUUIDSimpleString();
  
        ClientSessionFactory sf = createSessionFactory(locator);
        final ClientSession session = sf.createSession(false, true, true);
  
        session.close();
  
        ActiveMQAction activeMQAction = () -> new ClientRequestor(session, requestAddress);
  
        ActiveMQTestBase.expectActiveMQException("ClientRequestor's session must not be closed", ActiveMQExceptionType.OBJECT_CLOSED, activeMQAction);
     }
  
     @Test
     public void testClose() throws Exception {
        final SimpleString key = RandomUtil.randomUUIDSimpleString();
        long value = RandomUtil.randomLong();
        SimpleString requestAddress = RandomUtil.randomUUIDSimpleString();
        SimpleString requestQueue = RandomUtil.randomUUIDSimpleString();
  
        ClientSessionFactory sf = createSessionFactory(locator);
        final ClientSession session = sf.createSession(false, true, true);
  
        session.start();
  
        session.createQueue(QueueConfiguration.of(requestQueue).setAddress(requestAddress).setDurable(false).setTemporary(true));
  
        ClientConsumer requestConsumer = session.createConsumer(requestQueue);
        requestConsumer.setMessageHandler(new SimpleMessageHandler(key, session));
  
        final ClientRequestor requestor = new ClientRequestor(session, requestAddress);
        ClientMessage request = session.createMessage(false);
        request.putLongProperty(key, value);
  
        ClientMessage reply = requestor.request(request, 500);
        assertNotNull(reply, "reply was not received");
        assertEquals(value, reply.getObjectProperty(key));
  
        request = session.createMessage(false);
        request.putLongProperty(key, value + 1);
  
        requestor.close();
  
        ActiveMQAction activeMQAction = () -> requestor.request(session.createMessage(false), 500);
  
        ActiveMQTestBase.expectActiveMQException("can not send a request on a closed ClientRequestor", ActiveMQExceptionType.OBJECT_CLOSED, activeMQAction);
     }
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
        server = createServer(false, createDefaultInVMConfig());
        server.start();
        locator = createInVMNonHALocator().setAckBatchSize(0);
        sf = createSessionFactory(locator);
     }
  
     private final class SimpleMessageHandler implements MessageHandler {
  
        private final SimpleString key;
  
        private final ClientSession session;
  
        private SimpleMessageHandler(final SimpleString key, final ClientSession session) {
           this.key = key;
           this.session = session;
        }
  
        @Override
        public void onMessage(final ClientMessage request) {
           try {
              ClientMessage reply = session.createMessage(false);
              SimpleString replyTo = (SimpleString) request.getObjectProperty(ClientMessageImpl.REPLYTO_HEADER_NAME);
              long value = (Long) request.getObjectProperty(key);
              reply.putLongProperty(key, value);
              ClientProducer replyProducer = session.createProducer(replyTo);
              replyProducer.send(reply);
              request.acknowledge();
           } catch (ActiveMQException e) {
              e.printStackTrace();
           }
        }
     }
  }
  