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   * The ASF licenses this file to You under the Apache License, Version 2.0
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.activemq.artemis.tests.integration.cluster.failover;
  
  import java.lang.invoke.MethodHandles;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.activemq.artemis.api.core.TransportConfiguration;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.core.client.impl.ClientSessionFactoryInternal;
  import org.apache.activemq.artemis.core.client.impl.ServerLocatorImpl;
  import org.apache.activemq.artemis.core.client.impl.Topology;
  import org.apache.activemq.artemis.core.config.Configuration;
  import org.apache.activemq.artemis.core.config.ha.ReplicatedPolicyConfiguration;
  import org.apache.activemq.artemis.core.config.ha.SharedStorePrimaryPolicyConfiguration;
  import org.apache.activemq.artemis.core.config.ha.SharedStoreBackupPolicyConfiguration;
  import org.apache.activemq.artemis.core.server.NodeManager;
  import org.apache.activemq.artemis.core.server.impl.InVMNodeManager;
  import org.apache.activemq.artemis.tests.integration.cluster.util.SameProcessActiveMQServer;
  import org.apache.activemq.artemis.tests.integration.cluster.util.TestableServer;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SinglePrimaryMultipleBackupsFailoverTest extends MultipleBackupsFailoverTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     protected Map<Integer, TestableServer> servers = new HashMap<>();
     protected ServerLocatorImpl locator;
     private NodeManager nodeManager;
     final boolean sharedStore = true;
  
     @Test
     public void testMultipleFailovers() throws Exception {
        nodeManager = new InVMNodeManager(!sharedStore);
        createPrimaryConfig(0);
        createBackupConfig(0, 1, 0, 2, 3, 4, 5);
        createBackupConfig(0, 2, 0, 1, 3, 4, 5);
        createBackupConfig(0, 3, 0, 1, 2, 4, 5);
        createBackupConfig(0, 4, 0, 1, 2, 3, 5);
        createBackupConfig(0, 5, 0, 1, 2, 3, 4);
  
        servers.get(0).start();
        waitForServerToStart(servers.get(0).getServer());
        servers.get(1).start();
        waitForServerToStart(servers.get(1).getServer());
        servers.get(2).start();
        servers.get(3).start();
        servers.get(4).start();
        servers.get(5).start();
  
        locator = (ServerLocatorImpl) getServerLocator(0);
  
        Topology topology = locator.getTopology();
  
        // for logging and debugging
        topology.setOwner("testMultipleFailovers");
  
        locator.setBlockOnNonDurableSend(true).setBlockOnDurableSend(true).setBlockOnAcknowledge(true).setReconnectAttempts(15);
  
        ClientSessionFactoryInternal sf = createSessionFactoryAndWaitForTopology(locator, 2);
        int backupNode;
        ClientSession session = sendAndConsume(sf, true);
  
        logger.debug("failing node 0");
        servers.get(0).crash(session);
  
        session.close();
        backupNode = waitForNewPrimary(5, true, servers, 1, 2, 3, 4, 5);
        session = sendAndConsume(sf, false);
        logger.debug("failing node {}", backupNode);
        servers.get(backupNode).crash(session);
  
        session.close();
        backupNode = waitForNewPrimary(5, true, servers, 1, 2, 3, 4, 5);
        session = sendAndConsume(sf, false);
        logger.debug("failing node {}", backupNode);
        servers.get(backupNode).crash(session);
  
        session.close();
        backupNode = waitForNewPrimary(5, true, servers, 1, 2, 3, 4, 5);
        session = sendAndConsume(sf, false);
        logger.debug("failing node {}", backupNode);
        servers.get(backupNode).crash(session);
  
        session.close();
        backupNode = waitForNewPrimary(5, true, servers, 1, 2, 3, 4, 5);
        session = sendAndConsume(sf, false);
        logger.debug("failing node {}", backupNode);
        servers.get(backupNode).crash(session);
  
        session.close();
        backupNode = waitForNewPrimary(5, false, servers, 1, 2, 3, 4, 5);
        session = sendAndConsume(sf, false);
        session.close();
        servers.get(backupNode).stop();
  
        locator.close();
     }
  
     protected void createBackupConfig(int primaryNode, int nodeid, int... nodes) throws Exception {
        TransportConfiguration backupConnector = createTransportConfiguration(isNetty(), false, generateParams(nodeid, isNetty()));
  
        Configuration config1 = super.createDefaultInVMConfig().clearAcceptorConfigurations().addAcceptorConfiguration(createTransportConfiguration(isNetty(), true, generateParams(nodeid, isNetty()))).setHAPolicyConfiguration(sharedStore ? new SharedStoreBackupPolicyConfiguration() : new ReplicatedPolicyConfiguration()).addConnectorConfiguration(backupConnector.getName(), backupConnector).setBindingsDirectory(getBindingsDir() + "_" + primaryNode).setJournalDirectory(getJournalDir() + "_" + primaryNode).setPagingDirectory(getPageDir() + "_" + primaryNode).setLargeMessagesDirectory(getLargeMessagesDir() + "_" + primaryNode);
  
        String[] staticConnectors = new String[nodes.length];
        for (int i = 0; i < nodes.length; i++) {
           TransportConfiguration primaryConnector = createTransportConfiguration(isNetty(), false, generateParams(nodes[i], isNetty()));
           config1.addConnectorConfiguration(primaryConnector.getName(), primaryConnector);
           staticConnectors[i] = primaryConnector.getName();
        }
        config1.addClusterConfiguration(basicClusterConnectionConfig(backupConnector.getName(), staticConnectors));
  
        servers.put(nodeid, new SameProcessActiveMQServer(createInVMFailoverServer(true, config1, nodeManager, nodeid)));
     }
  
     protected void createPrimaryConfig(int primaryNode) throws Exception {
        TransportConfiguration primaryConnector = createTransportConfiguration(isNetty(), false, generateParams(primaryNode, isNetty()));
  
        Configuration config0 = super.createDefaultInVMConfig().clearAcceptorConfigurations().addAcceptorConfiguration(createTransportConfiguration(isNetty(), true, generateParams(primaryNode, isNetty()))).setHAPolicyConfiguration(sharedStore ? new SharedStorePrimaryPolicyConfiguration() : new ReplicatedPolicyConfiguration()).addClusterConfiguration(basicClusterConnectionConfig(primaryConnector.getName())).addConnectorConfiguration(primaryConnector.getName(), primaryConnector).setBindingsDirectory(getBindingsDir() + "_" + primaryNode).setJournalDirectory(getJournalDir() + "_" + primaryNode).setPagingDirectory(getPageDir() + "_" + primaryNode).setLargeMessagesDirectory(getLargeMessagesDir() + "_" + primaryNode);
  
        SameProcessActiveMQServer server = new SameProcessActiveMQServer(createInVMFailoverServer(true, config0, nodeManager, primaryNode));
        addActiveMQComponent(server);
        servers.put(primaryNode, server);
     }
  
     @Override
     protected boolean isNetty() {
        return false;
     }
  }
  