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   * Licensed to the Apache Software Foundation (ASF) under one or more
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   * 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
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   *
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   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
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   * See the License for the specific language governing permissions and
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  package org.apache.activemq.artemis.tests.soak.brokerConnection.mirror;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.MessageConsumer;
  import javax.jms.MessageProducer;
  import javax.jms.Queue;
  import javax.jms.Session;
  import java.io.File;
  import java.io.StringWriter;
  import java.lang.invoke.MethodHandles;
  import java.util.Properties;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  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.config.amqpBrokerConnectivity.AMQPBrokerConnectionAddressType;
  import org.apache.activemq.artemis.tests.soak.SoakTestBase;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.apache.activemq.artemis.util.ServerUtil;
  import org.apache.activemq.artemis.utils.FileUtil;
  import org.apache.activemq.artemis.utils.RandomUtil;
  import org.apache.activemq.artemis.utils.Wait;
  import org.apache.activemq.artemis.cli.commands.helper.HelperCreate;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class AccumulatedInPageSoakTest extends SoakTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     private static String body;
  
     static {
        StringWriter writer = new StringWriter();
        while (writer.getBuffer().length() < 20 * 1024) {
           writer.append("This is a string ..... ");
        }
        body = writer.toString();
     }
  
     private static final String QUEUE_NAME = "AccumulatePage";
  
     public static final String DC1_NODE_A = "AccumulatedInPageSoakTest/DC1";
     public static final String DC2_NODE_A = "AccumulatedInPageSoakTest/DC2";
  
     private static final String SNF_QUEUE = "$ACTIVEMQ_ARTEMIS_MIRROR_mirror";
  
     Process processDC1_node_A;
     Process processDC2_node_A;
  
     private static String DC1_NODEA_URI = "tcp://localhost:61616";
     private static String DC2_NODEA_URI = "tcp://localhost:61618";
  
     private static void createServer(String serverName,
                                      String connectionName,
                                      String mirrorURI,
                                      int portOffset) throws Exception {
        File serverLocation = getFileServerLocation(serverName);
        deleteDirectory(serverLocation);
  
        HelperCreate cliCreateServer = helperCreate();
        cliCreateServer.setAllowAnonymous(true).setNoWeb(true).setArtemisInstance(serverLocation);
        cliCreateServer.setMessageLoadBalancing("ON_DEMAND");
        cliCreateServer.setClustered(false);
        cliCreateServer.setNoWeb(false);
        cliCreateServer.setArgs("--no-stomp-acceptor", "--no-hornetq-acceptor", "--no-mqtt-acceptor", "--no-amqp-acceptor", "--max-hops", "1", "--name", DC1_NODE_A);
        cliCreateServer.addArgs("--queues", QUEUE_NAME);
        cliCreateServer.addArgs("--java-memory", "512M");
        cliCreateServer.setPortOffset(portOffset);
        cliCreateServer.createServer();
  
        Properties brokerProperties = new Properties();
        brokerProperties.put("AMQPConnections." + connectionName + ".uri", mirrorURI);
        brokerProperties.put("AMQPConnections." + connectionName + ".retryInterval", "1000");
        brokerProperties.put("AMQPConnections." + connectionName + ".type", AMQPBrokerConnectionAddressType.MIRROR.toString());
        brokerProperties.put("AMQPConnections." + connectionName + ".connectionElements.mirror.sync", "false");
        brokerProperties.put("largeMessageSync", "false");
  
        brokerProperties.put("addressSettings.#.maxSizeBytes", Integer.toString(100 * 1024 * 1024));
        brokerProperties.put("addressSettings.#.addressFullMessagePolicy", "PAGING");
  
        File brokerPropertiesFile = new File(serverLocation, "broker.properties");
        saveProperties(brokerProperties, brokerPropertiesFile);
  
        File brokerXML = new File(serverLocation, "/etc/broker.xml");
        // Making sure we flow control mirrorACK on the lower side to make sure things are working
        assertTrue(FileUtil.findReplace(brokerXML, "</acceptor>", ";mirrorMaxPendingAcks=50</acceptor>"));
     }
  
     @BeforeAll
     public static void createServers() throws Exception {
        createServer(DC1_NODE_A, "mirror", DC2_NODEA_URI, 0);
        createServer(DC2_NODE_A, "mirror", DC1_NODEA_URI, 2);
     }
  
     @BeforeEach
     public void cleanupServers() {
        cleanupData(DC1_NODE_A);
        cleanupData(DC2_NODE_A);
     }
  
     @Test
     @Timeout(value = 240_000L, unit = TimeUnit.MILLISECONDS)
     public void testAccumulateWhileMirrorDown() throws Exception {
        String protocol = "AMQP"; // no need to run this test using multiple protocols. this is about validating paging works correctly
        startDC1();
  
        ExecutorService service = Executors.newFixedThreadPool(1);
        runAfter(service::shutdownNow);
  
        final int numberOfMessages = 20_000;
        final int commitInterval = 1000;
  
        ConnectionFactory connectionFactoryDC1A = CFUtil.createConnectionFactory(protocol, DC1_NODEA_URI);
        ConnectionFactory connectionFactoryDC2A = CFUtil.createConnectionFactory(protocol, DC2_NODEA_URI);
  
        SimpleManagement simpleManagementDC1A = new SimpleManagement(DC1_NODEA_URI, null, null);
        SimpleManagement simpleManagementDC2A = new SimpleManagement(DC2_NODEA_URI, null, null);
        AtomicInteger errors = new AtomicInteger(0);
        CountDownLatch done = new CountDownLatch(1);
  
        service.execute(() -> {
  
           try (Connection connection = connectionFactoryDC1A.createConnection()) {
              Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
              connection.start();
              Queue queue = session.createQueue(QUEUE_NAME);
              MessageConsumer consumer = session.createConsumer(queue);
  
              connection.start();
  
              for (int i = 0; i < numberOfMessages; i++) {
                 assertNotNull(consumer.receive(5_000));
                 if (i > 0 && i % commitInterval == 0) {
                    session.commit();
                 }
              }
              session.commit();
  
           } catch (Throwable e) {
              logger.warn(e.getMessage(), e);
              errors.incrementAndGet();
           } finally {
              done.countDown();
           }
        });
  
        try (Connection connection = connectionFactoryDC1A.createConnection()) {
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
           Queue queue = session.createQueue(QUEUE_NAME);
           MessageProducer producer = session.createProducer(queue);
  
           for (int i = 0; i < numberOfMessages; i++) {
              // This is to reproduce ARTEMIS-5038
              producer.setPriority(RandomUtil.randomInterval(0, 9));
              producer.send(session.createTextMessage(body));
              if (i > 0 && i % commitInterval == 0) {
                 logger.info("Sent {}", i);
                 session.commit();
              }
           }
           session.commit();
        }
  
        done.await();
        assertEquals(0, errors.get());
  
        startDC2();
        Wait.assertEquals(0L, () -> getMessageCount(simpleManagementDC1A, SNF_QUEUE), 240_000, 500);
        Wait.assertEquals(0L, () -> getMessageCount(simpleManagementDC2A, QUEUE_NAME), 60_000, 500);
        LogAssert.assertServerLogsForMirror(getFileServerLocation(DC2_NODE_A));
        LogAssert.assertServerLogsForMirror(getFileServerLocation(DC1_NODE_A));
  
     }
  
     private void startDC1() throws Exception {
        processDC1_node_A = startServer(DC1_NODE_A, -1, -1, new File(getServerLocation(DC1_NODE_A), "broker.properties"));
        ServerUtil.waitForServerToStart(0, 10_000);
     }
  
     private void stopDC1() throws Exception {
        processDC1_node_A.destroyForcibly();
        assertTrue(processDC1_node_A.waitFor(10, TimeUnit.SECONDS));
     }
  
     private void stopDC2() throws Exception {
        processDC2_node_A.destroyForcibly();
        assertTrue(processDC2_node_A.waitFor(10, TimeUnit.SECONDS));
     }
  
     private void startDC2() throws Exception {
        processDC2_node_A = startServer(DC2_NODE_A, -1, -1, new File(getServerLocation(DC2_NODE_A), "broker.properties"));
        ServerUtil.waitForServerToStart(2, 10_000);
     }
  }