content: package com.alibaba.otter.canal.client.running;
  
  import java.net.InetSocketAddress;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  
  import org.apache.commons.lang.math.RandomUtils;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Ignore;
  import org.junit.Test;
  
  import com.alibaba.otter.canal.client.impl.running.ClientRunningData;
  import com.alibaba.otter.canal.client.impl.running.ClientRunningListener;
  import com.alibaba.otter.canal.client.impl.running.ClientRunningMonitor;
  import com.alibaba.otter.canal.common.utils.AddressUtils;
  import com.alibaba.otter.canal.common.zookeeper.ZkClientx;
  import com.alibaba.otter.canal.common.zookeeper.ZookeeperPathUtils;
  @Ignore
  public class ClientRunningTest extends AbstractZkTest {
  
      private ZkClientx zkclientx = new ZkClientx(cluster1 + ";" + cluster2);
      private short     clientId  = 1001;
  
      @Before
      public void setUp() {
          String path = ZookeeperPathUtils.getDestinationPath(destination);
          zkclientx.deleteRecursive(path);
  
          zkclientx.createPersistent(ZookeeperPathUtils.getClientIdNodePath(this.destination, clientId), true);
      }
  
      @After
      public void tearDown() {
          String path = ZookeeperPathUtils.getDestinationPath(destination);
          zkclientx.deleteRecursive(path);
      }
  
      @Test
      public void testOneServer() {
          final CountDownLatch countLatch = new CountDownLatch(2);
          ClientRunningMonitor runningMonitor = buildClientRunning(countLatch, clientId, 2088);
          runningMonitor.start();
          sleep(2000L);
          runningMonitor.stop();
          sleep(2000L);
  
          if (countLatch.getCount() != 0) {
              Assert.fail();
          }
      }
  
      @Test
      public void testMultiServer() {
          final CountDownLatch countLatch = new CountDownLatch(30);
          final ClientRunningMonitor runningMonitor1 = buildClientRunning(countLatch, clientId, 2088);
          final ClientRunningMonitor runningMonitor2 = buildClientRunning(countLatch, clientId, 2089);
          final ClientRunningMonitor runningMonitor3 = buildClientRunning(countLatch, clientId, 2090);
          final ExecutorService executor = Executors.newFixedThreadPool(3);
          executor.submit(() -> {
              for (int i = 0; i < 10; i++) {
                  if (!runningMonitor1.isStart()) {
                      runningMonitor1.start();
                  }
                  sleep(2000L + RandomUtils.nextInt(500));
                  runningMonitor1.stop();
                  sleep(2000L + RandomUtils.nextInt(500));
              }
          });
  
          executor.submit(() -> {
              for (int i = 0; i < 10; i++) {
                  if (!runningMonitor2.isStart()) {
                      runningMonitor2.start();
                  }
                  sleep(2000L + RandomUtils.nextInt(500));
                  runningMonitor2.stop();
                  sleep(2000L + RandomUtils.nextInt(500));
              }
          });
  
          executor.submit(() -> {
              for (int i = 0; i < 10; i++) {
                  if (!runningMonitor3.isStart()) {
                      runningMonitor3.start();
                  }
                  sleep(2000L + RandomUtils.nextInt(500));
                  runningMonitor3.stop();
                  sleep(2000L + RandomUtils.nextInt(500));
              }
          });
  
          sleep(30000L);
      }
  
      private ClientRunningMonitor buildClientRunning(final CountDownLatch countLatch, final short clientId,
                                                      final int port) {
          ClientRunningData clientData = new ClientRunningData();
          clientData.setClientId(clientId);
          clientData.setAddress(AddressUtils.getHostIp());
  
          ClientRunningMonitor runningMonitor = new ClientRunningMonitor();
          runningMonitor.setDestination(destination);
          runningMonitor.setZkClient(zkclientx);
          runningMonitor.setClientData(clientData);
          runningMonitor.setListener(new ClientRunningListener() {
  
              public InetSocketAddress processActiveEnter() {
                  System.out.println(String.format("clientId:%s port:%s has start", clientId, port));
                  countLatch.countDown();
                  return new InetSocketAddress(AddressUtils.getHostIp(), port);
              }
  
              public void processActiveExit() {
                  countLatch.countDown();
                  System.out.println(String.format("clientId:%s port:%s has stop", clientId, port));
              }
  
          });
          runningMonitor.setDelayTime(1);
          return runningMonitor;
      }
  }
  