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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.soak.brokerConnection.mirror;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.JMSException;
  import javax.jms.Message;
  import javax.jms.MessageConsumer;
  import javax.jms.MessageProducer;
  import javax.jms.Queue;
  import javax.jms.Session;
  import javax.jms.TextMessage;
  import java.io.File;
  import java.io.StringWriter;
  import java.lang.invoke.MethodHandles;
  import java.util.Properties;
  import java.util.concurrent.TimeUnit;
  
  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.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;
  
  public class PagedSNFSoakTest 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() < 10 * 1024) {
           writer.append("This is a string ..... ");
        }
        body = writer.toString();
     }
  
     private static final String QUEUE_NAME = "PagedSNFSoakQueue";
  
     public static final String DC1_NODE_A = "PagedSNFSoakTest/DC1";
     public static final String DC2_NODE_A = "PagedSNFSoakTest/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.#.maxSizeMessages", "100");
        brokerProperties.put("addressSettings.#.addressFullMessagePolicy", "PAGING");
  
        File brokerPropertiesFile = new File(serverLocation, "broker.properties");
        saveProperties(brokerProperties, brokerPropertiesFile);
     }
  
     @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(240)
     public void testRandomProtocol() throws Exception {
        testAccumulateAndSend("AMQP");
     }
  
     private void testAccumulateAndSend(final String protocol) throws Exception {
        startDC1();
  
        final int numberOfMessages = 400;
  
        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);
  
        try (Connection connection = connectionFactoryDC1A.createConnection()) {
           connection.start();
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
           Queue queue = session.createQueue(QUEUE_NAME);
           send(session, queue, numberOfMessages, null);
           consume(session, numberOfMessages);
           send(session, queue, numberOfMessages, null);
  
           startDC2();
  
           consume(session, numberOfMessages);
           for (int i = 0; i < 20; i++) {
              final int loopI = i;
              System.err.println("Sent " + i);
              logger.info("Sent {}", i);
              send(session, queue, 10, m -> m.setIntProperty("loop", loopI));
              consume(session, 10);
           }
           send(session, queue, numberOfMessages, null);
        }
  
        Wait.assertEquals((long) numberOfMessages, () -> simpleManagementDC1A.getMessageCountOnQueue(QUEUE_NAME), 5000, 100);
  
        Wait.assertEquals((long) 0, () -> getMessageCount(simpleManagementDC1A, SNF_QUEUE), 5_000, 100);
        Wait.assertEquals((long) numberOfMessages, () -> getMessageCount(simpleManagementDC2A, QUEUE_NAME), 5_000, 100);
  
        try (Connection connection = connectionFactoryDC1A.createConnection()) {
           connection.start();
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
  
           consume(session, numberOfMessages);
        }
  
        Wait.assertEquals((long) 0, () -> simpleManagementDC1A.getMessageCountOnQueue(SNF_QUEUE), 5000, 100);
        Wait.assertEquals((long) 0, () -> simpleManagementDC2A.getMessageCountOnQueue(SNF_QUEUE), 5000, 100);
  
        Wait.assertEquals((long) 0, () -> simpleManagementDC1A.getMessageCountOnQueue(QUEUE_NAME), 5000, 100);
        Wait.assertEquals((long) 0, () -> simpleManagementDC2A.getMessageCountOnQueue(QUEUE_NAME), 5000, 100);
  
     }
  
     @Test
     public void testLargeBatches() throws Exception {
        String protocol = "AMQP";
        startDC1();
        startDC2();
  
        final int numberOfMessages = 5_000;
        final int batchSize = 1_000;
        final int numberOfBatches = 4;
  
        ConnectionFactory[] cfs = new ConnectionFactory[]{CFUtil.createConnectionFactory(protocol, DC1_NODEA_URI), CFUtil.createConnectionFactory(protocol, DC2_NODEA_URI)};
        SimpleManagement[] sm = new SimpleManagement[] {new SimpleManagement(DC1_NODEA_URI, null, null), new SimpleManagement(DC2_NODEA_URI, null, null)};
  
        for (int nbatch = 0; nbatch < numberOfBatches; nbatch++) {
  
           // I want to make permutations between which server to consume, and which server to produce
           // I am using a bit operation to make that permutation in a easier way
           int serverToProduce = ((nbatch & 1) > 0) ? 1 : 0;
           int serverToConsume = ((nbatch & 2) > 0) ? 1 : 0;
  
           logger.debug("Batch {}, sending on server {}. consuming on server {}", nbatch, serverToProduce, serverToConsume);
  
           try (Connection connection = cfs[serverToProduce].createConnection()) {
              Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
              MessageProducer producer = session.createProducer(session.createQueue(QUEUE_NAME));
              for (int i = 0; i < numberOfMessages; i++) {
                 producer.send(session.createTextMessage("msg " + i));
                 if (i > 0 && i % batchSize == 0) {
                    logger.debug("Commit send {}", i);
                    session.commit();
                 }
              }
              session.commit();
           }
  
           for (SimpleManagement s : sm) {
              logger.debug("Checking counts on SNF for {}", s.getUri());
              Wait.assertEquals((long) 0, () -> s.getMessageCountOnQueue(SNF_QUEUE), 120_000, 100);
              logger.debug("Checking counts on {} on {}", QUEUE_NAME, s.getUri());
              Wait.assertEquals((long) numberOfMessages, () -> s.getMessageCountOnQueue(QUEUE_NAME), 60_000, 100);
           }
  
           try (Connection connection = cfs[serverToConsume].createConnection()) {
              connection.start();
              Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
              MessageConsumer consumer = session.createConsumer(session.createQueue(QUEUE_NAME));
              for (int i = 0; i < numberOfMessages; i++) {
                 Message message = consumer.receive(5000);
                 assertNotNull(message);
                 if (i > 0 && i % batchSize == 0) {
                    logger.debug("Commit consume {}", i);
                    session.commit();
                 }
              }
              session.commit();
           }
  
           for (SimpleManagement s : sm) {
              logger.debug("Checking 0 counts on SNF for {}", s.getUri());
              Wait.assertEquals((long) 0, () -> s.getMessageCountOnQueue(SNF_QUEUE), 120_000, 100);
              logger.debug("Checking for empty queue on {}", s.getUri());
              Wait.assertEquals((long) 0, () -> s.getMessageCountOnQueue(QUEUE_NAME), 60_000, 100);
           }
        }
     }
  
     private static void consume(Session session, int numberOfMessages) throws JMSException {
        Queue queue = session.createQueue(QUEUE_NAME);
        try (MessageConsumer consumer = session.createConsumer(queue)) {
           for (int i = 0; i < numberOfMessages; i++) {
              TextMessage message = (TextMessage) consumer.receive(10_000);
              assertNotNull(message);
              assertEquals(body, message.getText());
              assertEquals(i, message.getIntProperty("id"));
              logger.debug("received {}", i);
              if ((i + 1) % 10 == 0) {
                 session.commit();
              }
           }
           session.commit();
        }
     }
  
     private interface Receive<T> {
        void accept(T message) throws Exception;
     }
  
     private static void send(Session session,
                              Queue queue,
                              int numberOfMessages,
                              Receive<Message> setter) throws JMSException {
        try (MessageProducer producer = session.createProducer(queue)) {
           for (int i = 0; i < numberOfMessages; i++) {
              TextMessage message = session.createTextMessage(body);
              message.setIntProperty("id", i);
              logger.debug("send {}", i);
              if (setter != null) {
                 try {
                    setter.accept(message);
                 } catch (Throwable ignored) {
                 }
              }
              producer.send(message);
              if (i % 10 == 0) {
                 logger.debug("Sent {} messages", i);
                 session.commit();
              }
           }
           session.commit();
        }
     }
  
     int getNumberOfLargeMessages(String serverName) throws Exception {
        File lmFolder = new File(getServerLocation(serverName) + "/data/large-messages");
        assertTrue(lmFolder.exists());
        return lmFolder.list().length;
     }
  
     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);
     }
  }