package org.apache.helix.integration;
   
   /*
    * 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.
   */
  
  import java.util.Date;
  
  import org.apache.helix.InstanceType;
  import org.apache.helix.TestHelper;
  import org.apache.helix.ZkHelixTestManager;
  import org.apache.helix.ZkTestHelper;
  import org.apache.helix.mock.participant.MockParticipant;
  import org.apache.helix.tools.ClusterSetup;
  import org.apache.helix.tools.ClusterStateVerifier;
  import org.apache.log4j.Logger;
  import org.testng.Assert;
  import org.testng.annotations.Test;
  
  
  public class TestStandAloneCMSessionExpiry extends ZkIntegrationTestBase
  {
    private static Logger LOG = Logger.getLogger(TestStandAloneCMSessionExpiry.class);
  
    @Test()
    public void testStandAloneCMSessionExpiry() throws Exception
    {
      // Logger.getRootLogger().setLevel(Level.DEBUG);
      String className = TestHelper.getTestClassName();
      String methodName = TestHelper.getTestMethodName();
      String clusterName = className + "_" + methodName;
  
      System.out.println("START " + clusterName + " at "
          + new Date(System.currentTimeMillis()));
  
      TestHelper.setupCluster(clusterName,
                              ZK_ADDR,
                              12918,
                              PARTICIPANT_PREFIX,
                              "TestDB",
                              1,
                              20,
                              5,
                              3,
                              "MasterSlave",
                              true);
  
      MockParticipant[] participants = new MockParticipant[5];
      for (int i = 0; i < 5; i++)
      {
        String instanceName = "localhost_" + (12918 + i);
        ZkHelixTestManager manager =
            new ZkHelixTestManager(clusterName,
                                   instanceName,
                                   InstanceType.PARTICIPANT,
                                   ZK_ADDR);
        participants[i] = new MockParticipant(manager, null);
        participants[i].syncStart();
      }
  
      ZkHelixTestManager controller =
          new ZkHelixTestManager(clusterName,
                                 "controller_0",
                                 InstanceType.CONTROLLER,
                                 ZK_ADDR);
      controller.connect();
  
      boolean result;
      result =
          ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                     clusterName));
      Assert.assertTrue(result);
  
      // participant session expiry
      ZkHelixTestManager participantToExpire = (ZkHelixTestManager)participants[1].getManager();
  
      System.out.println("Expire participant session");
      String oldSessionId = participantToExpire.getSessionId();
      
      ZkTestHelper.expireSession(participantToExpire.getZkClient());
      String newSessionId = participantToExpire.getSessionId();
      System.out.println("oldSessionId: " + oldSessionId + ", newSessionId: " + newSessionId);
      Assert.assertTrue(newSessionId.compareTo(oldSessionId) > 0, "Session id should be increased after expiry");
  
     ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
     setupTool.addResourceToCluster(clusterName, "TestDB1", 10, "MasterSlave");
     setupTool.rebalanceStorageCluster(clusterName, "TestDB1", 3);
 
     result =
         ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                    clusterName));
     Assert.assertTrue(result);
 
     // controller session expiry
     System.out.println("Expire controller session");
     oldSessionId = controller.getSessionId();
     ZkTestHelper.expireSession(controller.getZkClient());
     newSessionId = controller.getSessionId();
     System.out.println("oldSessionId: " + oldSessionId + ", newSessionId: " + newSessionId);
     Assert.assertTrue(newSessionId.compareTo(oldSessionId) > 0, "Session id should be increased after expiry");
 
     setupTool.addResourceToCluster(clusterName, "TestDB2", 8, "MasterSlave");
     setupTool.rebalanceStorageCluster(clusterName, "TestDB2", 3);
 
     result =
         ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                    clusterName));
     Assert.assertTrue(result);
 
     // clean up
     System.out.println("Clean up ...");
     // Logger.getRootLogger().setLevel(Level.DEBUG);
     controller.disconnect();
     Thread.sleep(100);
     for (int i = 0; i < 5; i++)
     {
       participants[i].syncStop();
     }
 
     System.out.println("END " + clusterName + " at "
         + new Date(System.currentTimeMillis()));
 
   }
 
 }