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.integration.persistence.metrics;
  
  import java.util.Enumeration;
  import java.util.Random;
  import java.util.concurrent.atomic.AtomicLong;
  
  import javax.jms.BytesMessage;
  import javax.jms.Connection;
  import javax.jms.DeliveryMode;
  import javax.jms.JMSException;
  import javax.jms.Message;
  import javax.jms.MessageConsumer;
  import javax.jms.MessageProducer;
  import javax.jms.Queue;
  import javax.jms.QueueBrowser;
  import javax.jms.QueueSession;
  import javax.jms.Session;
  import javax.jms.Topic;
  import javax.jms.TopicSession;
  import javax.jms.TopicSubscriber;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.jms.client.ActiveMQBytesMessage;
  import org.apache.activemq.artemis.jms.client.ActiveMQMessage;
  import org.apache.activemq.artemis.tests.util.JMSTestBase;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import java.lang.invoke.MethodHandles;
  
  public abstract class AbstractPersistentStatTestSupport extends JMSTestBase {
  
     protected static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     protected static int defaultMessageSize = 1000;
  
     @Override
     protected boolean usePersistence() {
        return true;
     }
  
     protected void consumeTestQueueMessages(String queueName, int num) throws Exception {
  
        // Start the connection
        Connection connection = cf.createConnection();
        connection.setClientID("clientId2" + queueName);
        connection.start();
        Session session = connection.createSession(false, QueueSession.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue(queueName);
        MessageConsumer consumer;
        try {
           consumer = session.createConsumer(queue);
           for (int i = 0; i < num; i++) {
              consumer.receive();
           }
           consumer.close();
        } finally {
           // consumer.close();
           connection.close();
        }
  
     }
  
     protected void browseTestQueueMessages(String queueName) throws Exception {
        // Start the connection
        Connection connection = cf.createConnection();
        connection.setClientID("clientId2" + queueName);
        connection.start();
        Session session = connection.createSession(false, QueueSession.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue(queueName);
  
        try {
           QueueBrowser queueBrowser = session.createBrowser(queue);
           @SuppressWarnings("unchecked")
           Enumeration<Message> messages = queueBrowser.getEnumeration();
           while (messages.hasMoreElements()) {
              messages.nextElement();
           }
  
        } finally {
           connection.close();
        }
  
     }
  
     protected void consumeDurableTestMessages(Connection connection, String sub, int size, String topicName,
           AtomicLong publishedMessageSize) throws Exception {
  
  
        Session session = connection.createSession(false, QueueSession.AUTO_ACKNOWLEDGE);
        Topic topic = session.createTopic(topicName);
  
        try {
           TopicSubscriber consumer = session.createDurableSubscriber(topic, sub);
           for (int i = 0; i < size; i++) {
              ActiveMQMessage message = (ActiveMQMessage) consumer.receive();
              if (publishedMessageSize != null) {
                 publishedMessageSize.addAndGet(-message.getCoreMessage().getEncodeSize());
              }
           }
  
        } finally {
           session.close();
        }
  
     }
  
     protected void publishTestQueueMessages(int count, String queueName, int deliveryMode, int messageSize,
           AtomicLong publishedMessageSize, boolean transacted) throws Exception {
  
        // Start the connection
        Connection connection = cf.createConnection();
        connection.setClientID("clientId" + queueName);
        connection.start();
        Session session = transacted ? connection.createSession(transacted, QueueSession.SESSION_TRANSACTED) :
           connection.createSession(transacted, QueueSession.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue(queueName);
  
        try {
           MessageProducer prod = session.createProducer(queue);
           prod.setDeliveryMode(deliveryMode);
           for (int i = 0; i < count; i++) {
              prod.send(createMessage(i, session, messageSize, publishedMessageSize));
           }
  
           if (transacted) {
              session.commit();
           }
        } finally {
           connection.close();
        }
     }
  
     protected void publishTestMessagesDurable(Connection connection, String[] subNames, String topicName,
           int publishSize, int expectedSize, int messageSize, AtomicLong publishedMessageSize, boolean verifyBrowsing,
           boolean shared)
           throws Exception {
        this.publishTestMessagesDurable(connection, subNames, topicName, publishSize, expectedSize, messageSize,
              publishedMessageSize, verifyBrowsing, DeliveryMode.PERSISTENT, shared);
     }
  
     protected void publishTestMessagesDurable(Connection connection, String[] subNames, String topicName,
           int publishSize, int expectedSize, int messageSize, AtomicLong publishedMessageSize, boolean verifyBrowsing,
           int deliveryMode, boolean shared) throws Exception {
  
        Session session = connection.createSession(false, TopicSession.AUTO_ACKNOWLEDGE);
        Topic topic = session.createTopic(topicName);
        for (String subName : subNames) {
           if (shared) {
              session.createSharedDurableConsumer(topic, subName);
           } else {
              session.createDurableSubscriber(topic, subName);
           }
        }
  
        try {
           // publish a bunch of non-persistent messages to fill up the temp
           // store
           MessageProducer prod = session.createProducer(topic);
           prod.setDeliveryMode(deliveryMode);
           for (int i = 0; i < publishSize; i++) {
              prod.send(createMessage(i, session, messageSize, publishedMessageSize));
           }
  
        } finally {
           session.close();
        }
  
     }
  
     /**
      * Generate random messages between 100 bytes and maxMessageSize
      */
     protected BytesMessage createMessage(int count, Session session, int maxMessageSize, AtomicLong publishedMessageSize)
           throws JMSException, ActiveMQException {
        final ActiveMQBytesMessage message = (ActiveMQBytesMessage) session.createBytesMessage();
  
        final Random randomSize = new Random();
        int size = randomSize.nextInt((maxMessageSize - 100) + 1) + 100;
        final byte[] data = new byte[size];
        final Random rng = new Random();
        rng.nextBytes(data);
        message.writeBytes(data);
        if (publishedMessageSize != null) {
           publishedMessageSize.addAndGet(message.getCoreMessage().getPersistentSize());
        }
  
        return message;
     }
  }
  