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   * Licensed to the Apache Software Foundation (ASF) under one
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   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
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   *
   *   http://www.apache.org/licenses/LICENSE-2.0
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   * Unless required by applicable law or agreed to in writing,
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   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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  package org.apache.activemq.artemis.tests.integration.amqp.connect;
  
  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 javax.jms.TextMessage;
  import java.io.File;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.activemq.artemis.core.config.amqpBrokerConnectivity.AMQPBrokerConnectConfiguration;
  import org.apache.activemq.artemis.core.config.amqpBrokerConnectivity.AMQPMirrorBrokerConnectionElement;
  import org.apache.activemq.artemis.core.persistence.impl.journal.JournalRecordIds;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.apache.activemq.artemis.tests.util.Wait;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class PagedMirrorTest extends ActiveMQTestBase {
  
     ActiveMQServer server1;
  
     ActiveMQServer server2;
  
     @BeforeEach
     @Override
     public void setUp() throws Exception {
        super.setUp();
  
        server1 = createServer(true, createDefaultConfig(0, true), 1024, 10 * 1024, -1, -1);
        server1.getConfiguration().getAcceptorConfigurations().clear();
        server1.getConfiguration().addAcceptorConfiguration("server", "tcp://localhost:61616");
        AMQPBrokerConnectConfiguration brokerConnectConfiguration = new AMQPBrokerConnectConfiguration("other", "tcp://localhost:61617").setReconnectAttempts(-1).setRetryInterval(1000);
        brokerConnectConfiguration.addElement(new AMQPMirrorBrokerConnectionElement().setDurable(false));
        server1.getConfiguration().addAMQPConnection(brokerConnectConfiguration);
  
        server2 = createServer(true, createDefaultConfig(1, true), 1024, 10 * 1024, -1, -1);
        server2.getConfiguration().getAcceptorConfigurations().clear();
        server2.getConfiguration().addAcceptorConfiguration("server", "tcp://localhost:61617");
        brokerConnectConfiguration = new AMQPBrokerConnectConfiguration("other", "tcp://localhost:61616").setReconnectAttempts(-1).setRetryInterval(1000);
        brokerConnectConfiguration.addElement(new AMQPMirrorBrokerConnectionElement().setDurable(false));
        server2.getConfiguration().addAMQPConnection(brokerConnectConfiguration);
  
        server1.start();
        server2.start();
     }
  
     @Test
     public void testPaged() throws Throwable {
        String sendURI = "tcp://localhost:61616";
        String consumeURI = "tcp://localhost:61616";
        String secondConsumeURI = "tcp://localhost:61617";
  
        Wait.waitFor(() -> server1.locateQueue("$ACTIVEMQ_ARTEMIS_MIRROR_other") != null);
        Wait.waitFor(() -> server2.locateQueue("$ACTIVEMQ_ARTEMIS_MIRROR_other") != null);
  
        org.apache.activemq.artemis.core.server.Queue snf1 = server2.locateQueue("$ACTIVEMQ_ARTEMIS_MIRROR_other");
        assertNotNull(snf1);
  
        org.apache.activemq.artemis.core.server.Queue snf2 = server1.locateQueue("$ACTIVEMQ_ARTEMIS_MIRROR_other");
        assertNotNull(snf2);
  
        File countJournalLocation = server2.getConfiguration().getJournalLocation();
        assertTrue(countJournalLocation.exists() && countJournalLocation.isDirectory());
        String protocol = "amqp";
  
        ConnectionFactory sendCF = CFUtil.createConnectionFactory(protocol, sendURI);
        ConnectionFactory consumeCF = CFUtil.createConnectionFactory(protocol, consumeURI);
        ConnectionFactory secondConsumeCF = CFUtil.createConnectionFactory(protocol, secondConsumeURI);
  
        String bodyBuffer = "*".repeat(1024);
  
        int NUMBER_OF_MESSAGES = 200;
        int ACK_I = 77;
  
        try (Connection sendConnecton = sendCF.createConnection()) {
           Session sendSession = sendConnecton.createSession(true, Session.SESSION_TRANSACTED);
           Queue jmsQueue = sendSession.createQueue("someQueue");
           MessageProducer producer = sendSession.createProducer(jmsQueue);
  
           for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
              TextMessage message = sendSession.createTextMessage(bodyBuffer);
              message.setIntProperty("i", i);
              producer.send(message);
           }
           sendSession.commit();
        }
  
        Wait.assertEquals(0, snf1::getMessageCount);
        Wait.assertEquals(0, snf2::getMessageCount);
  
        try (Connection consumeConnection = consumeCF.createConnection()) {
           Session consumeSession = consumeConnection.createSession(false, 101); // individual ack
           Queue jmsQueue = consumeSession.createQueue("someQueue");
           MessageConsumer consumer = consumeSession.createConsumer(jmsQueue);
           consumeConnection.start();
           for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
              TextMessage message = (TextMessage) consumer.receive(6000);
              if (message.getIntProperty("i") == ACK_I) {
                 message.acknowledge();
              }
           }
           assertNull(consumer.receiveNoWait());
        }
        Wait.assertEquals(0, snf1::getMessageCount);
        Wait.assertEquals(0, snf2::getMessageCount);
  
        org.apache.activemq.artemis.core.server.Queue queueServer1 = server1.locateQueue("someQueue");
        org.apache.activemq.artemis.core.server.Queue queueServer2 = server1.locateQueue("someQueue");
        Wait.assertEquals(NUMBER_OF_MESSAGES - 1, queueServer2::getMessageCount, 5000);
        Wait.assertEquals(NUMBER_OF_MESSAGES - 1, queueServer1::getMessageCount, 5000);
        Wait.assertEquals(1, () -> acksCount(countJournalLocation), 5000, 1000);
  
        Set<Integer> receivedIDs = new HashSet<>();
  
        try (Connection consumeConnection = secondConsumeCF.createConnection()) {
           Session consumeSession = consumeConnection.createSession(true, Session.SESSION_TRANSACTED);
           Queue jmsQueue = consumeSession.createQueue("someQueue");
           MessageConsumer consumer = consumeSession.createConsumer(jmsQueue);
           consumeConnection.start();
  
           for (int i = 0; i < NUMBER_OF_MESSAGES - 1; i++) {
              TextMessage message = (TextMessage) consumer.receive(6000);
              assertNotNull(message);
              assertNotEquals(ACK_I, message.getIntProperty("i"));
              receivedIDs.add(message.getIntProperty("i"));
           }
           assertNull(consumer.receiveNoWait());
  
  
           assertEquals(NUMBER_OF_MESSAGES - 1, receivedIDs.size());
  
           for (int i = 0; i < NUMBER_OF_MESSAGES; i++) {
              if (i != ACK_I) {
                 assertTrue(receivedIDs.contains(i));
              }
           }
        }
     }
  
     private int acksCount(File countJournalLocation) throws Exception {
        Map<Integer, AtomicInteger> countJournal = countJournal(countJournalLocation, 10485760, 2, 2);
        AtomicInteger acksCount = countJournal.get((int)JournalRecordIds.ACKNOWLEDGE_CURSOR);
        return acksCount != null ? acksCount.get() : 0;
     }
  
  }
  