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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.
   */
  package org.apache.activemq.artemis.tests.integration.amqp;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.RoutingType;
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.api.core.TransportConfiguration;
  import org.apache.activemq.artemis.api.core.client.ActiveMQClient;
  import org.apache.activemq.artemis.api.core.client.ClientConsumer;
  import org.apache.activemq.artemis.api.core.client.ClientMessage;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.config.BridgeConfiguration;
  import org.apache.activemq.artemis.core.config.ClusterConnectionConfiguration;
  import org.apache.activemq.artemis.core.config.Configuration;
  import org.apache.activemq.artemis.core.config.DivertConfiguration;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.server.ComponentConfigurationRoutingType;
  import org.apache.activemq.artemis.core.server.cluster.impl.MessageLoadBalancingType;
  import org.apache.activemq.artemis.core.settings.impl.AddressFullMessagePolicy;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.tests.integration.amqp.largemessages.AMQPLargeMessagesTestUtil;
  import org.apache.activemq.artemis.tests.integration.cluster.distribution.ClusterTestBase;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  import java.util.Map;
  
  public class AmqpBridgeClusterRedistributionTest extends AmqpClientTestSupport {
  
     protected ActiveMQServer[] servers = new ActiveMQServer[3];
     private ActiveMQServer server0;
     private ActiveMQServer server1;
     private ActiveMQServer server2;
     private SimpleString customNotificationQueue;
     private SimpleString frameworkNotificationsQueue;
     private SimpleString bridgeNotificationsQueue;
     private SimpleString notificationsQueue;
  
     protected String getServer0URL() {
        return "tcp://localhost:61616";
     }
  
     protected String getServer1URL() {
        return "tcp://localhost:61617";
     }
  
     protected String getServer2URL() {
        return "tcp://localhost:61618";
     }
  
     @Override
     public URI getBrokerAmqpConnectionURI() {
        try {
           return new URI(getServer0URL());
        } catch (URISyntaxException e) {
           throw new RuntimeException(e);
        }
     }
  
     @Override
     protected void applySettings(ActiveMQServer server,
                                           final Configuration configuration,
                                           final int pageSize,
                                           final long maxAddressSize,
                                           final Integer pageSize1,
                                           final Integer pageSize2,
                                           final Map<String, AddressSettings> settings) {
        AddressSettings defaultSetting = new AddressSettings().setPageSizeBytes(pageSize).setMaxSizeBytes(maxAddressSize).setAddressFullMessagePolicy(AddressFullMessagePolicy.PAGE).setRedeliveryDelay(0).setRedistributionDelay(0).setAutoCreateQueues(true).setAutoCreateAddresses(true);
        server.getAddressSettingsRepository().addMatch("#", defaultSetting);
     }
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
        server0 = createServer(true, createBasicConfig(0));
        server1 = createServer(true, createBasicConfig(1));
        server2 = createServer(true, createBasicConfig(2));
  
        servers[0] = server0;
        servers[1] = server1;
        servers[2] = server2;
  
        server0.getConfiguration().addAcceptorConfiguration("acceptor", getServer0URL());
        server0.getConfiguration().addConnectorConfiguration("notification-broker", getServer1URL());
  
        server1.getConfiguration().addAcceptorConfiguration("acceptor", getServer1URL());
        server2.getConfiguration().addAcceptorConfiguration("acceptor", getServer2URL());
  
        DivertConfiguration customNotificationsDivert = new DivertConfiguration().setName("custom-notifications-divert").setAddress("*.Provider.*.Agent.*.CustomNotification").setForwardingAddress("FrameworkNotifications").setExclusive(true);
  
        DivertConfiguration frameworkNotificationsDivertServer1 = new DivertConfiguration().setName("framework-notifications-divert").setAddress("BridgeNotifications").setForwardingAddress("Notifications").setRoutingType(ComponentConfigurationRoutingType.MULTICAST).setExclusive(true);
        DivertConfiguration frameworkNotificationsDivertServer2 = new DivertConfiguration().setName("framework-notifications-divert").setAddress("BridgeNotifications").setForwardingAddress("Notifications").setRoutingType(ComponentConfigurationRoutingType.MULTICAST).setExclusive(true);
  
        server0.getConfiguration().addDivertConfiguration(customNotificationsDivert);
  
        server1.getConfiguration().addDivertConfiguration(frameworkNotificationsDivertServer1);
        server2.getConfiguration().addDivertConfiguration(frameworkNotificationsDivertServer2);
  
        customNotificationQueue = SimpleString.of("*.Provider.*.Agent.*.CustomNotification");
        frameworkNotificationsQueue = SimpleString.of("FrameworkNotifications");
        bridgeNotificationsQueue = SimpleString.of("BridgeNotifications");
        notificationsQueue = SimpleString.of("Notifications");
  
        setupClusterConnection("cluster-1->2", "", MessageLoadBalancingType.ON_DEMAND, 1, true, 1, 2);
        setupClusterConnection("cluster-2->1", "", MessageLoadBalancingType.ON_DEMAND, 1, true, 2, 1);
  
        server0.start();
  
        server1.start();
        server2.start();
  
        server0.createQueue(QueueConfiguration.of(customNotificationQueue).setRoutingType(RoutingType.ANYCAST));
        server0.createQueue(QueueConfiguration.of(frameworkNotificationsQueue).setRoutingType(RoutingType.ANYCAST));
  
        server1.createQueue(QueueConfiguration.of(bridgeNotificationsQueue).setRoutingType(RoutingType.ANYCAST));
        server1.createQueue(QueueConfiguration.of(notificationsQueue));
  
        server2.createQueue(QueueConfiguration.of(bridgeNotificationsQueue).setRoutingType(RoutingType.ANYCAST));
        server2.createQueue(QueueConfiguration.of(notificationsQueue));
  
        server0.deployBridge(new BridgeConfiguration().setName("notifications-bridge").setQueueName(frameworkNotificationsQueue.toString()).setForwardingAddress(bridgeNotificationsQueue.toString()).setConfirmationWindowSize(10).setStaticConnectors(Arrays.asList("notification-broker")));
     }
  
     @AfterEach
     @Override
     public void tearDown() throws Exception {
        try {
           if (server0 != null) {
              server0.stop();
           }
           if (server1 != null) {
              server1.stop();
           }
           if (server2 != null) {
              server2.stop();
           }
        } finally {
           super.tearDown();
        }
     }
  
     @Test
     public void testSendMessageToBroker0GetFromBroker1() throws Exception {
        try (ServerLocator locator = ActiveMQClient.createServerLocator(getServer1URL());
             ClientSessionFactory sessionFactory = locator.createSessionFactory();
             ClientSession session = sessionFactory.createSession();
             ClientConsumer consumer = session.createConsumer(notificationsQueue)) {
  
           session.start();
  
           sendMessages("uswest.Provider.AMC.Agent.DIVERTED.CustomNotification", 1, RoutingType.ANYCAST, true);
  
           AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server0);
           AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server1);
  
           ClientMessage message = consumer.receive(5000);
           assertNotNull(message);
  
           message = consumer.receiveImmediate();
           assertNull(message);
        }
  
        AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server0);
        AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server1);
     }
  
     @Test
     public void testSendMessageToBroker0GetFromBroker2() throws Exception {
        try (ServerLocator locator = ActiveMQClient.createServerLocator(getServer2URL());
             ClientSessionFactory sessionFactory = locator.createSessionFactory();
             ClientSession session = sessionFactory.createSession();
             ClientConsumer consumer = session.createConsumer(notificationsQueue)) {
  
           session.start();
  
           sendMessages("uswest.Provider.AMC.Agent.DIVERTED.CustomNotification", 1, RoutingType.ANYCAST, true);
  
           AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server0);
           AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server1);
  
           ClientMessage message = consumer.receive(5000);
           assertNotNull(message);
  
           message = consumer.receiveImmediate();
           assertNull(message);
        }
  
        AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server0);
        AMQPLargeMessagesTestUtil.validateAllTemporaryBuffers(server1);
     }
  
     protected void setupClusterConnection(final String name,
                                           final String address,
                                           final MessageLoadBalancingType messageLoadBalancingType,
                                           final int maxHops,
                                           final boolean netty,
                                           final int nodeFrom,
                                           final int... nodesTo) {
        setupClusterConnection(name, address, messageLoadBalancingType, maxHops, netty, null, nodeFrom, nodesTo);
     }
  
     protected void setupClusterConnection(final String name,
                                           final String address,
                                           final MessageLoadBalancingType messageLoadBalancingType,
                                           final int maxHops,
                                           final boolean netty,
                                           final ClusterTestBase.ClusterConfigCallback cb,
                                           final int nodeFrom,
                                           final int... nodesTo) {
        ActiveMQServer serverFrom = servers[nodeFrom];
  
        if (serverFrom == null) {
           throw new IllegalStateException("No server at node " + nodeFrom);
        }
  
        TransportConfiguration connectorFrom = createTransportConfiguration(netty, false, generateParams(nodeFrom, netty));
        serverFrom.getConfiguration().getConnectorConfigurations().put(connectorFrom.getName(), connectorFrom);
  
        List<String> pairs = getClusterConnectionTCNames(netty, serverFrom, nodesTo);
        Configuration config = serverFrom.getConfiguration();
        ClusterConnectionConfiguration clusterConf = createClusterConfig(name, address, messageLoadBalancingType, maxHops, connectorFrom, pairs);
  
        if (cb != null) {
           cb.configure(clusterConf);
        }
        config.getClusterConfigurations().add(clusterConf);
     }
  
     private List<String> getClusterConnectionTCNames(boolean netty, ActiveMQServer serverFrom, int[] nodesTo) {
        List<String> pairs = new ArrayList<>();
        for (int element : nodesTo) {
           TransportConfiguration serverTotc = createTransportConfiguration(netty, false, generateParams(element, netty));
           serverFrom.getConfiguration().getConnectorConfigurations().put(serverTotc.getName(), serverTotc);
           pairs.add(serverTotc.getName());
        }
        return pairs;
     }
  
     private ClusterConnectionConfiguration createClusterConfig(final String name,
                                                                final String address,
                                                                final MessageLoadBalancingType messageLoadBalancingType,
                                                                final int maxHops,
                                                                TransportConfiguration connectorFrom,
                                                                List<String> pairs) {
        return new ClusterConnectionConfiguration().setName(name).setAddress(address).setConnectorName(connectorFrom.getName()).setRetryInterval(250).setMessageLoadBalancingType(messageLoadBalancingType).setMaxHops(maxHops).setConfirmationWindowSize(1024).setStaticConnectors(pairs);
     }
  }
  