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.soak.mqtt;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.io.File;
  import java.lang.invoke.MethodHandles;
  import java.util.Arrays;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.activemq.artemis.api.core.management.SimpleManagement;
  import org.apache.activemq.artemis.core.protocol.mqtt.MQTTUtil;
  import org.apache.activemq.artemis.tests.soak.SoakTestBase;
  import org.apache.activemq.artemis.utils.Wait;
  import org.apache.activemq.artemis.cli.commands.helper.HelperCreate;
  import org.eclipse.paho.mqttv5.client.IMqttToken;
  import org.eclipse.paho.mqttv5.client.MqttCallback;
  import org.eclipse.paho.mqttv5.client.MqttClient;
  import org.eclipse.paho.mqttv5.client.MqttDisconnectResponse;
  import org.eclipse.paho.mqttv5.client.persist.MemoryPersistence;
  import org.eclipse.paho.mqttv5.common.MqttException;
  import org.eclipse.paho.mqttv5.common.MqttMessage;
  import org.eclipse.paho.mqttv5.common.packet.MqttProperties;
  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 MQTT5SoakTest extends SoakTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     public static final String SERVER_NAME_0 = "mqtt";
  
  
  
     @BeforeAll
     public static void createServers() throws Exception {
        {
           File serverLocation = getFileServerLocation(SERVER_NAME_0);
           deleteDirectory(serverLocation);
  
           HelperCreate cliCreateServer = helperCreate();
           cliCreateServer.setRole("amq").setUser("artemis").setPassword("artemis").setAllowAnonymous(true).setNoWeb(false).setArtemisInstance(serverLocation);
           cliCreateServer.setArgs("--addresses", "MQTT_SOAK");
           cliCreateServer.createServer();
        }
     }
  
  
     Process serverProcess;
  
     protected MqttClient createPahoClient(String clientId) throws MqttException {
        return new MqttClient("tcp://localhost:1883", clientId, new MemoryPersistence());
     }
  
     @BeforeEach
     public void before() throws Exception {
        cleanupData(SERVER_NAME_0);
  
        serverProcess = startServer(SERVER_NAME_0, 0, 10_000);
     }
  
     // https://issues.apache.org/jira/browse/ARTEMIS-1184
     @Test
     public void testMaxMessageSize() throws Throwable {
  
        final String TOPIC = "MQTT_SOAK";
        final int SIZE = MQTTUtil.MAX_PACKET_SIZE - 48;
        AtomicInteger errors = new AtomicInteger(0);
  
        final CountDownLatch latch = new CountDownLatch(1);
  
        MqttClient consumer = createPahoClient("consumer");
        consumer.setCallback(new DefaultMqttCallback() {
           @Override
           public void messageArrived(String topic, MqttMessage message) throws Exception {
              byte[] payload = message.getPayload();
              if (payload.length != SIZE) {
                 logger.error("payload.length != {}", SIZE);
                 errors.incrementAndGet();
              }
              for (int i = 0; i < payload.length; i++) {
                 if (payload[i] != (byte)'=') {
                    logger.error("unexpected byte {} at position {} on received payload", payload[i], i);
                    errors.incrementAndGet();
                 }
              }
              latch.countDown();
           }
  
           @Override
           public void connectComplete(boolean reconnect, String serverURI) {
           }
  
           @Override
           public void mqttErrorOccurred(MqttException exception) {
              exception.printStackTrace();
           }
        });
        consumer.connect();
        consumer.subscribe(TOPIC, 1);
  
        MqttClient producer = createPahoClient("producer");
        producer.connect();
  
        { // using a little context to make sure the bytes reference goes away asap saving some memory
           byte[] bytes = new byte[SIZE];
           Arrays.fill(bytes, (byte) '=');
           producer.publish(TOPIC, bytes, 1, false);
        }
  
        assertTrue(latch.await(30, TimeUnit.SECONDS));
  
        SimpleManagement simpleManagement = new SimpleManagement("tcp://localhost:61616", null, null);
        Wait.assertEquals(1, () -> simpleManagement.getMessagesAddedOnQueue("consumer.MQTT_SOAK"), 5000);
  
  
        consumer.disconnect();
  
        producer.disconnect();
        producer.close();
  
        consumer.close();
  
        assertEquals(0, errors.get());
     }
  
     protected interface DefaultMqttCallback extends MqttCallback {
  
        @Override
        default void disconnected(MqttDisconnectResponse disconnectResponse) {
        }
  
        @Override
        default void mqttErrorOccurred(MqttException exception) {
        }
  
        @Override
        default void messageArrived(String topic, org.eclipse.paho.mqttv5.common.MqttMessage message) throws Exception {
        }
  
        @Override
        default void deliveryComplete(IMqttToken token) {
        }
  
        @Override
        default void connectComplete(boolean reconnect, String serverURI) {
        }
  
        @Override
        default void authPacketArrived(int reasonCode, MqttProperties properties) {
        }
     }
  }
  