Examples of com.sun.sgs.impl.service.watchdog.WatchdogServiceImpl

Package com.sun.sgs.impl.service.watchdog

Examples of com.sun.sgs.impl.service.watchdog.WatchdogServiceImpl

com.sun.sgs.impl.service.watchdog.WatchdogServiceImpl
The {@link WatchdogService} implementation.
The {@link #WatchdogServiceImpl constructor} supports the followingproperties:

Property: com.sun.sgs.impl.service.watchdog.server.host
Default: the value of the {@code com.sun.sgs.server.host}property, if present, or {@code localhost} if this node is starting the server

Specifies the host name for the watchdog server that this service contacts. If the {@code com.sun.sgs.node.type} property is not {@code appNode}, then this property's default is used (since the watchdog server to contact will be the one started on the local host).
Property: com.sun.sgs.impl.service.watchdog.server.port
Default: {@code 44533}
Specifies the network port for the watchdog server that this service contacts (and, optionally, starts). If the {@code com.sun.sgs.node.type} property is not {@code singleNode}, then the value must be greater than or equal to {@code 0} and no greater than {@code 65535}, otherwise the value must be greater than {@code 0}, and no greater than {@code 65535}.

Property: com.sun.sgs.impl.service.watchdog.client.host
Default: the local host name

Specifies the host name for the watchdog client used when registering the node with the watchdog service.
Property: com.sun.sgs.impl.service.watchdog.client.port
Default: {@code 0} (anonymous port)
Specifies the network port for this watchdog service for receiving node status change notifications from the watchdog server. The value must be greater than or equal to {@code 0} and no greater than{@code 65535}.

Property: com.sun.management.jmxremote.port
Default: None

Enables remote JMX monitoring through the specified port. By default, remote monitoring is not enabled. Not that this is a system property, and must be set on the command line when starting the node.

        }
    }


    @Test(expected = IllegalStateException.class)
    public void testGetNodesServiceShuttingDown() throws Exception {
  final WatchdogServiceImpl watchdog = new WatchdogServiceImpl(
      SgsTestNode.getDefaultProperties(
    "TestWatchdogServiceImpl", null, null),
      systemRegistry, txnProxy, dummyShutdownCtrl);
  watchdog.shutdown();


        txnScheduler.runTask(new TestAbstractKernelRunnable() {
                public void run() throws Exception {
        watchdog.getNodes();
                }
            }, taskOwner);
    }

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        }
    }


    @Test(expected = IllegalStateException.class)
    public void testGetNodeServiceShuttingDown() throws Exception {
  final WatchdogServiceImpl watchdog = new WatchdogServiceImpl(
      SgsTestNode.getDefaultProperties(
    "TestWatchdogServiceImpl", null, null),
      systemRegistry, txnProxy, dummyShutdownCtrl);
  watchdog.shutdown();
        txnScheduler.runTask(new TestAbstractKernelRunnable() {
                public void run() throws Exception {
        watchdog.getNode(0);
                }
            }, taskOwner);
    }

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    @Test(expected = IllegalStateException.class)
    public void testAddNodeListenerServiceShuttingDown()
  throws Exception
    {
  final WatchdogServiceImpl watchdog = new WatchdogServiceImpl(
      SgsTestNode.getDefaultProperties(
    "TestWatchdogServiceImpl", null, null),
      systemRegistry, txnProxy, dummyShutdownCtrl);
  watchdog.shutdown();
        txnScheduler.runTask(new TestAbstractKernelRunnable() {
            public void run() throws Exception {
    watchdog.addNodeListener(new DummyNodeListener());
            }
        }, taskOwner);
    }

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  try {
      for (int i = 0; i < 5; i++) {
    Properties props = SgsTestNode.getDefaultProperties(
        "TestWatchdogServiceImpl", serverNode, null);
    DataService dataService = createDataService(props);
    WatchdogServiceImpl watchdog =
        new WatchdogServiceImpl(props, systemRegistry, txnProxy,
              dummyShutdownCtrl);
    DummyNodeListener listener = new DummyNodeListener();
    watchdog.addNodeListener(listener);
    watchdogMap.put(
        watchdog, new WatchdogInfo(listener, dataService));
      }
  
      // shutdown watchdog server
      watchdogService.shutdown();


      Thread.sleep(renewTime * 4);


      for (WatchdogServiceImpl watchdog : watchdogMap.keySet()) {
    WatchdogInfo info = watchdogMap.get(watchdog);
    DummyNodeListener listener = info.listener;
    DataService dataService = info.dataService;
    Set<Node> nodes = listener.getFailedNodes();
    System.err.println(
        "failedNodes for " + dataService.getLocalNodeId() +
        ": " + nodes);
    if (nodes.size() != 6) {
        fail("Expected 6 failed nodes, got " + nodes.size());
    }
    for (Node node : nodes) {
        System.err.println(node);
        if (node.isAlive()) {
      fail("Node " + node.getId() + " is alive!");
        }
    }
      }
  } finally {
      for (WatchdogServiceImpl watchdog : watchdogMap.keySet()) {
    watchdog.shutdown();
    watchdogMap.get(watchdog).dataService.shutdown();
      }
  }
    }

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    @Test(expected = IllegalStateException.class)
    public void testAddRecoveryListenerServiceShuttingDown()
  throws Exception
    {
  DataService dataService = createDataService(serviceProps);
  WatchdogServiceImpl watchdog = new WatchdogServiceImpl(
      serviceProps, systemRegistry, txnProxy, dummyShutdownCtrl);
  watchdog.shutdown();
  watchdog.addRecoveryListener(new DummyRecoveryListener());
  dataService.shutdown();
    }

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  final String appName = "TestReportFailure";


  // Create a dummy shutdown controller to log calls to the shutdown
  // method. NOTE: The controller does not actually shutdown the node
  DataService dataService = createDataService(serviceProps);
  WatchdogServiceImpl watchdogService = 
      new WatchdogServiceImpl(serviceProps, systemRegistry, 
            txnProxy, dummyShutdownCtrl);


  // Report a failure, which should shutdown the node
  watchdogService.reportFailure(dataService.getLocalNodeId(), 
              appName);


  // Node should not be alive since we reported a failure
  try {
      assertFalse(watchdogService.isLocalNodeAliveNonTransactional());
  } catch (Exception e) {
      fail("Not expecting an Exception: " + e.getLocalizedMessage());
  }
            
  // The shutdown controller should be incremented as a result of the 
  // failure being reported
  assertEquals(1, dummyShutdownCtrl.getShutdownCount());
  watchdogService.shutdown();
  dataService.shutdown();
    }

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  throws Exception
    {
  Properties props = SgsTestNode.getDefaultProperties(
      "TestWatchdogServiceImpl", serverNode, null);
  DataService data = createDataService(props);
  WatchdogServiceImpl watchdog = 
      new WatchdogServiceImpl(props, systemRegistry, txnProxy, 
            dummyShutdownCtrl);
  watchdog.addRecoveryListener(listener);
  watchdog.ready();
  System.err.println("Created node (" + data.getLocalNodeId() + ")");
  return new WatchdogAndData(watchdog, data);
    }

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    /* -- Test constructor -- */


    @Test public void testConstructor() throws Exception {
  DataService dataService = null;
        WatchdogServiceImpl watchdog = null;
        try {
      dataService = createDataService(serviceProps);
            watchdog = new WatchdogServiceImpl(
    serviceProps, systemRegistry, txnProxy, dummyShutdownCtrl);  
        } finally {
      if (dataService != null) dataService.shutdown();
            if (watchdog != null) watchdog.shutdown();
        }
    }

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        }
    }


    @Test(expected = NullPointerException.class)
    public void testConstructorNullProperties() throws Exception {
        WatchdogServiceImpl watchdog = null;
  try {
      watchdog = new WatchdogServiceImpl(null, systemRegistry, txnProxy,
                 dummyShutdownCtrl);
  } finally {
            if (watchdog != null) watchdog.shutdown();
        }
    }

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        }
    }


    @Test(expected = NullPointerException.class)
    public void testConstructorNullRegistry() throws Exception {
        WatchdogServiceImpl watchdog = null;
  try {
      watchdog = new WatchdogServiceImpl(serviceProps, null, txnProxy,
                 dummyShutdownCtrl);
  } finally {
            if (watchdog != null) watchdog.shutdown();
        }
    }

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