示例#1
0
  private void ensureConnectionToAllMembers() {
    boolean allConnected = false;
    if (node.joined()) {
      logger.finest("Waiting for all connections");
      int connectAllWaitSeconds =
          node.groupProperties.getSeconds(GroupProperty.CONNECT_ALL_WAIT_SECONDS);
      int checkCount = 0;
      while (checkCount++ < connectAllWaitSeconds && !allConnected) {
        try {
          //noinspection BusyWait
          TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException ignored) {
          EmptyStatement.ignore(ignored);
        }

        allConnected = true;
        Collection<Member> members = clusterService.getMembers();
        for (Member member : members) {
          if (!member.localMember()
              && node.connectionManager.getOrConnect(member.getAddress()) == null) {
            allConnected = false;
            if (logger.isFinestEnabled()) {
              logger.finest("Not-connected to " + member.getAddress());
            }
          }
        }
      }
    }
  }
示例#2
0
  private void assignNewMaster() {
    Address oldMasterAddress = node.getMasterAddress();
    if (node.joined()) {
      Collection<Member> members = getMembers();
      Member newMaster = null;
      int size = members.size();
      if (size > 1) {
        Iterator<Member> iterator = members.iterator();
        Member member = iterator.next();
        if (member.getAddress().equals(oldMasterAddress)) {
          newMaster = iterator.next();
        } else {
          logger.severe(
              format(
                  "Old master %s is dead, but the first of member list is a different member %s!",
                  oldMasterAddress, member));
          newMaster = member;
        }
      } else {
        logger.warning(
            format(
                "Old master %s is dead and this node is not master, "
                    + "but member list contains only %d members: %s",
                oldMasterAddress, size, members));
      }
      logger.info(
          format(
              "Old master %s left the cluster, assigning new master %s",
              oldMasterAddress, newMaster));
      if (newMaster != null) {
        node.setMasterAddress(newMaster.getAddress());
      } else {
        node.setMasterAddress(null);
      }
    } else {
      node.setMasterAddress(null);
    }

    if (logger.isFinestEnabled()) {
      logger.finest(
          format("Old master: %s, new master: %s ", oldMasterAddress, node.getMasterAddress()));
    }

    if (node.isMaster()) {
      clusterHeartbeatManager.resetMemberMasterConfirmations();
      clusterClock.reset();
    } else {
      clusterHeartbeatManager.sendMasterConfirmation();
    }
  }
 private List<MembershipEvent> detectMembershipEvents(Map<String, Member> prevMembers) {
   final List<MembershipEvent> events = new LinkedList<MembershipEvent>();
   final Set<Member> eventMembers =
       Collections.unmodifiableSet(new LinkedHashSet<Member>(members));
   for (Member member : members) {
     final Member former = prevMembers.remove(member.getUuid());
     if (former == null) {
       events.add(
           new MembershipEvent(
               client.getCluster(), member, MembershipEvent.MEMBER_ADDED, eventMembers));
     }
   }
   for (Member member : prevMembers.values()) {
     events.add(
         new MembershipEvent(
             client.getCluster(), member, MembershipEvent.MEMBER_REMOVED, eventMembers));
     Address address = member.getAddress();
     if (clusterService.getMember(address) == null) {
       final Connection connection = connectionManager.getConnection(address);
       if (connection != null) {
         connectionManager.destroyConnection(connection);
       }
     }
   }
   return events;
 }
示例#4
0
  private void shutdownNodes() {
    final Operation op = new ShutdownNodeOperation();

    logger.info("Sending shutting down operations to all members...");

    Collection<Member> members = getMembers(NON_LOCAL_MEMBER_SELECTOR);
    final long timeout =
        node.groupProperties.getNanos(GroupProperty.CLUSTER_SHUTDOWN_TIMEOUT_SECONDS);
    final long startTime = System.nanoTime();

    while ((System.nanoTime() - startTime) < timeout && !members.isEmpty()) {
      for (Member member : members) {
        nodeEngine.getOperationService().send(op, member.getAddress());
      }

      try {
        Thread.sleep(CLUSTER_SHUTDOWN_SLEEP_DURATION_IN_MILLIS);
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        logger.warning("Shutdown sleep interrupted. ", e);
        break;
      }

      members = getMembers(NON_LOCAL_MEMBER_SELECTOR);
    }

    logger.info(
        "Number of other nodes remaining: "
            + getSize(NON_LOCAL_MEMBER_SELECTOR)
            + ". Shutting down itself.");
    node.shutdown(false);
  }
示例#5
0
 @Override
 public Xid[] recover(int flag) throws XAException {
   NodeEngine nodeEngine = getNodeEngine();
   XAService xaService = getService();
   OperationService operationService = nodeEngine.getOperationService();
   ClusterService clusterService = nodeEngine.getClusterService();
   Collection<Member> memberList = clusterService.getMembers();
   List<InternalCompletableFuture<SerializableList>> futureList =
       new ArrayList<InternalCompletableFuture<SerializableList>>();
   for (Member member : memberList) {
     if (member.localMember()) {
       continue;
     }
     CollectRemoteTransactionsOperation op = new CollectRemoteTransactionsOperation();
     Address address = member.getAddress();
     InternalCompletableFuture<SerializableList> future =
         operationService.invokeOnTarget(SERVICE_NAME, op, address);
     futureList.add(future);
   }
   HashSet<SerializableXID> xids = new HashSet<SerializableXID>();
   xids.addAll(xaService.getPreparedXids());
   for (InternalCompletableFuture<SerializableList> future : futureList) {
     SerializableList xidSet = future.getSafely();
     for (Data xidData : xidSet) {
       SerializableXID xid = nodeEngine.toObject(xidData);
       xids.add(xid);
     }
   }
   return xids.toArray(new SerializableXID[xids.size()]);
 }
 private void updateMembersRef() {
   final Map<Address, Member> map = new LinkedHashMap<Address, Member>(members.size());
   for (Member member : members) {
     map.put(member.getAddress(), member);
   }
   clusterService.setMembersRef(Collections.unmodifiableMap(map));
 }
示例#7
0
  public Address findNextAddressToSendCreateRequest() {
    int clusterSize = client.getClientClusterService().getSize();
    Member liteMember = null;

    final LoadBalancer loadBalancer = client.getLoadBalancer();
    for (int i = 0; i < clusterSize; i++) {
      Member member = loadBalancer.next();
      if (member != null && !member.isLiteMember()) {
        return member.getAddress();
      } else if (liteMember == null) {
        liteMember = member;
      }
    }

    return liteMember != null ? liteMember.getAddress() : null;
  }
 @Override
 public boolean isMemberSafe(Member member) {
   if (member == null) {
     throw new NullPointerException("Parameter member should not be null");
   }
   final MemberImpl localMember = getNode().getLocalMember();
   if (localMember.equals(member)) {
     return isLocalMemberSafe();
   }
   final Address target = member.getAddress();
   final Operation operation = new SafeStateCheckOperation();
   final InternalCompletableFuture future =
       getNode()
           .getNodeEngine()
           .getOperationService()
           .invokeOnTarget(InternalPartitionService.SERVICE_NAME, operation, target);
   boolean safe;
   try {
     final Object result = future.get(10, TimeUnit.SECONDS);
     safe = (Boolean) result;
   } catch (Throwable t) {
     safe = false;
     logger.warning("Error while querying member's safe state [" + member + "]", t);
   }
   return safe;
 }
 @Override
 public boolean isClusterSafe() {
   final Node node = getNode();
   final Collection<Member> memberList = node.clusterService.getMembers();
   if (memberList == null || memberList.isEmpty() || memberList.size() < 2) {
     return true;
   }
   final Collection<Future> futures = new ArrayList<Future>(memberList.size());
   for (Member member : memberList) {
     final Address target = member.getAddress();
     final Operation operation = new SafeStateCheckOperation();
     final InternalCompletableFuture future =
         node.getNodeEngine()
             .getOperationService()
             .invokeOnTarget(InternalPartitionService.SERVICE_NAME, operation, target);
     futures.add(future);
   }
   // todo this max wait is appropriate?
   final int maxWaitTime = getMaxWaitTime(node);
   for (Future future : futures) {
     try {
       final Object result = future.get(maxWaitTime, TimeUnit.SECONDS);
       final boolean safe = (Boolean) result;
       if (!safe) {
         return false;
       }
     } catch (Exception e) {
       logger.warning("Error while querying cluster's safe state", e);
       return false;
     }
   }
   return true;
 }
示例#10
0
  public void clearInternal() {
    try {
      Operation clearOperation = operationProvider.createClearOperation(name);
      clearOperation.setServiceName(SERVICE_NAME);
      BinaryOperationFactory factory = new BinaryOperationFactory(clearOperation, getNodeEngine());
      Map<Integer, Object> resultMap =
          operationService.invokeOnAllPartitions(SERVICE_NAME, factory);

      int numberOfAffectedEntries = 0;
      for (Object object : resultMap.values()) {
        numberOfAffectedEntries += (Integer) object;
      }

      MemberSelector selector =
          MemberSelectors.and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR);
      for (Member member : getNodeEngine().getClusterService().getMembers(selector)) {
        operationService.invokeOnTarget(
            SERVICE_NAME, new ClearOperation(name), member.getAddress());
      }

      if (numberOfAffectedEntries > 0) {
        publishMapEvent(numberOfAffectedEntries, EntryEventType.CLEAR_ALL);
      }
    } catch (Throwable t) {
      throw rethrow(t);
    }
  }
  private Object handleAuthenticated() {
    if (isOwnerConnection()) {
      final String uuid = getUuid();
      final String localMemberUUID = clientEngine.getLocalMember().getUuid();

      principal = new ClientPrincipal(uuid, localMemberUUID);
      reAuthLocal();
      Collection<Member> members = nodeEngine.getClusterService().getMembers();
      for (Member member : members) {
        if (!member.localMember()) {
          ClientReAuthOperation op = new ClientReAuthOperation(uuid);
          op.setCallerUuid(localMemberUUID);
          nodeEngine.getOperationService().send(op, member.getAddress());
        }
      }
    }

    boolean isNotMember =
        clientEngine.getClusterService().getMember(principal.getOwnerUuid()) == null;
    if (isNotMember) {
      throw new AuthenticationException(
          "Invalid owner-uuid: " + principal.getOwnerUuid() + ", it's not member of this cluster!");
    }

    endpoint.authenticated(principal, credentials, isOwnerConnection());
    setConnectionType();
    endpointManager.registerEndpoint(endpoint);
    clientEngine.bind(endpoint);

    final Address thisAddress = clientEngine.getThisAddress();
    return encodeAuth(thisAddress, principal.getUuid(), principal.getOwnerUuid());
  }
 protected void updateCacheListenerConfigOnOtherNodes(
     CacheEntryListenerConfiguration<K, V> cacheEntryListenerConfiguration, boolean isRegister) {
   final Collection<Member> members = clientContext.getClusterService().getMemberList();
   final HazelcastClientInstanceImpl client =
       (HazelcastClientInstanceImpl) clientContext.getHazelcastInstance();
   final Collection<Future> futures = new ArrayList<Future>();
   for (Member member : members) {
     try {
       final Address address = member.getAddress();
       Data configData = toData(cacheEntryListenerConfiguration);
       final ClientMessage request =
           CacheListenerRegistrationCodec.encodeRequest(
               nameWithPrefix, configData, isRegister, address.getHost(), address.getPort());
       final ClientInvocation invocation = new ClientInvocation(client, request, address);
       final Future future = invocation.invoke();
       futures.add(future);
     } catch (Exception e) {
       ExceptionUtil.sneakyThrow(e);
     }
   }
   // make sure all configs are created
   // TODO do we need this ???s
   //        try {
   //            FutureUtil.waitWithDeadline(futures,
   // CacheProxyUtil.AWAIT_COMPLETION_TIMEOUT_SECONDS, TimeUnit.SECONDS);
   //        } catch (TimeoutException e) {
   //            logger.warning(e);
   //        }
 }
  public Member startMember(String clusterId) throws ServerException {
    LOG.info("Starting a Member on cluster : " + clusterId);
    HzCluster hzCluster = clusterMap.get(clusterId);
    if (hzCluster != null) {
      Config config = hzCluster.getConfig();

      LOG.info(config.getNetworkConfig().getJoin().getTcpIpConfig());

      HazelcastInstance hzInstance = Hazelcast.newHazelcastInstance(config);
      com.hazelcast.core.Member member = hzInstance.getCluster().getLocalMember();
      if (hzCluster.addInstance(member.getUuid(), hzInstance)) {
        return new Member(
            member.getUuid(), member.getAddress().getHost(), member.getAddress().getPort());
      }
    }
    throw new ServerException("Cannot find Cluster with id:" + clusterId);
  }
示例#14
0
 private void invokeMemberRemoveOperation(Address deadAddress) {
   for (Member member : getMembers()) {
     Address address = member.getAddress();
     if (!thisAddress.equals(address) && !address.equals(deadAddress)) {
       nodeEngine.getOperationService().send(new MemberRemoveOperation(deadAddress), address);
     }
   }
 }
 @Override
 public Collection<Address> getTargets() {
   Collection<Member> memberList = nodeEngine.getClusterService().getMembers();
   Collection<Address> addresses = new HashSet<Address>();
   for (Member member : memberList) {
     addresses.add(member.getAddress());
   }
   return addresses;
 }
 protected void destroyCacheOnAllMembers(String name, String callerUuid) {
   final OperationService operationService = nodeEngine.getOperationService();
   final Collection<Member> members = nodeEngine.getClusterService().getMembers();
   for (Member member : members) {
     if (!member.localMember() && !member.getUuid().equals(callerUuid)) {
       final CacheDestroyOperation op = new CacheDestroyOperation(name, true);
       operationService.invokeOnTarget(AbstractCacheService.SERVICE_NAME, op, member.getAddress());
     }
   }
 }
示例#17
0
  @Override
  public Map<ClientType, Integer> getConnectedClientStats() {

    int numberOfCppClients = 0;
    int numberOfDotNetClients = 0;
    int numberOfJavaClients = 0;
    int numberOfOtherClients = 0;

    Operation clientInfoOperation = new GetConnectedClientsOperation();
    OperationService operationService = node.nodeEngine.getOperationService();
    Map<ClientType, Integer> resultMap = new HashMap<ClientType, Integer>();
    Map<String, ClientType> clientsMap = new HashMap<String, ClientType>();

    for (Member member : node.getClusterService().getMembers()) {
      Address target = member.getAddress();
      Future<Map<String, ClientType>> future =
          operationService.invokeOnTarget(SERVICE_NAME, clientInfoOperation, target);
      try {
        Map<String, ClientType> endpoints = future.get();
        if (endpoints == null) {
          continue;
        }
        // Merge connected clients according to their uuid.
        for (Map.Entry<String, ClientType> entry : endpoints.entrySet()) {
          clientsMap.put(entry.getKey(), entry.getValue());
        }
      } catch (Exception e) {
        logger.warning("Cannot get client information from: " + target.toString(), e);
      }
    }

    // Now we are regrouping according to the client type
    for (ClientType clientType : clientsMap.values()) {
      switch (clientType) {
        case JAVA:
          numberOfJavaClients++;
          break;
        case CSHARP:
          numberOfDotNetClients++;
          break;
        case CPP:
          numberOfCppClients++;
          break;
        default:
          numberOfOtherClients++;
      }
    }

    resultMap.put(ClientType.CPP, numberOfCppClients);
    resultMap.put(ClientType.CSHARP, numberOfDotNetClients);
    resultMap.put(ClientType.JAVA, numberOfJavaClients);
    resultMap.put(ClientType.OTHER, numberOfOtherClients);

    return resultMap;
  }
 @Override
 public void memberRemoved(MembershipEvent membershipEvent) {
   synchronized (listenerRegLock) {
     Member member = membershipEvent.getMember();
     members.remove(member);
     for (Map<Address, ClientEventRegistration> registrationMap : registrations.values()) {
       ClientEventRegistration registration = registrationMap.remove(member.getAddress());
       removeEventHandler(registration.getCallId());
     }
   }
 }
示例#19
0
 public static void encode(Member member, ClientMessage clientMessage) {
   AddressCodec.encode(member.getAddress(), clientMessage);
   clientMessage.set(member.getUuid());
   Map<String, Object> attributes = new HashMap<String, Object>(member.getAttributes());
   clientMessage.set(attributes.size());
   for (Map.Entry<String, Object> entry : attributes.entrySet()) {
     clientMessage.set(entry.getKey());
     Object value = entry.getValue();
     clientMessage.set(value.toString());
   }
 }
示例#20
0
    private void callDisconnectionOperation(ClientEndpointImpl endpoint) {
      Collection<Member> memberList = nodeEngine.getClusterService().getMembers();
      OperationService operationService = nodeEngine.getOperationService();
      ClientDisconnectionOperation op = createClientDisconnectionOperation(endpoint.getUuid());
      operationService.runOperationOnCallingThread(op);

      for (Member member : memberList) {
        if (!member.localMember()) {
          op = createClientDisconnectionOperation(endpoint.getUuid());
          operationService.send(op, member.getAddress());
        }
      }
    }
示例#21
0
 public static int calculateDataSize(Member member) {
   int dataSize = AddressCodec.calculateDataSize(member.getAddress());
   dataSize += ParameterUtil.calculateDataSize(member.getUuid());
   dataSize += Bits.INT_SIZE_IN_BYTES;
   Map<String, Object> attributes = member.getAttributes();
   for (Map.Entry<String, Object> entry : attributes.entrySet()) {
     dataSize += ParameterUtil.calculateDataSize(entry.getKey());
     Object value = entry.getValue();
     // TODO: this is costly to use toString
     dataSize += ParameterUtil.calculateDataSize(value.toString());
   }
   return dataSize;
 }
示例#22
0
 protected Collection<Address> getMemberAddresses() {
   Address thisAddress = getNodeEngine().getThisAddress();
   Collection<Member> members =
       getNodeEngine().getClusterService().getMembers(MemberSelectors.DATA_MEMBER_SELECTOR);
   Collection<Address> addresses = new ArrayList<Address>();
   for (Member member : members) {
     Address address = member.getAddress();
     if (address.equals(thisAddress)) {
       continue;
     }
     addresses.add(address);
   }
   return addresses;
 }
 private void memberRemoved(Member member) {
   members.remove(member);
   final Connection connection = connectionManager.getConnection(member.getAddress());
   if (connection != null) {
     connectionManager.destroyConnection(connection);
   }
   applyMemberListChanges();
   MembershipEvent event =
       new MembershipEvent(
           client.getCluster(),
           member,
           ClientInitialMembershipEvent.MEMBER_REMOVED,
           Collections.unmodifiableSet(new LinkedHashSet<Member>(members)));
   clusterService.fireMembershipEvent(event);
 }
 @Override
 public void init(InitialMembershipEvent event) {
   synchronized (listenerRegLock) {
     members.addAll(event.getMembers());
     for (Member member : members) {
       for (ClientRegistrationKey registrationKey : registrations.keySet()) {
         try {
           invoke(registrationKey, member.getAddress());
         } catch (Exception e) {
           logger.warning(
               "Listener " + registrationKey + " can not added to new member " + member);
         }
       }
     }
   }
 }
    private LiveOperations populate() {
      liveOperations.clear();

      ClusterService clusterService = nodeEngine.getClusterService();
      liveOperations.initMember(thisAddress);
      for (Member member : clusterService.getMembers()) {
        liveOperations.initMember(member.getAddress());
      }

      for (LiveOperationsTracker tracker :
          serviceManager.getServices(LiveOperationsTracker.class)) {
        tracker.populate(liveOperations);
      }

      return liveOperations;
    }
示例#26
0
 public void removeMapInterceptorInternal(String id) {
   NodeEngine nodeEngine = getNodeEngine();
   mapServiceContext.removeInterceptor(name, id);
   Collection<Member> members = nodeEngine.getClusterService().getMembers();
   for (Member member : members) {
     try {
       if (member.localMember()) {
         continue;
       }
       RemoveInterceptorOperation op = new RemoveInterceptorOperation(name, id);
       Future future = operationService.invokeOnTarget(SERVICE_NAME, op, member.getAddress());
       future.get();
     } catch (Throwable t) {
       throw rethrow(t);
     }
   }
 }
 @Override
 public String registerListener(ListenerMessageCodec codec, EventHandler handler) {
   String userRegistrationId = UuidUtil.newUnsecureUuidString();
   synchronized (listenerRegLock) {
     ClientRegistrationKey registrationKey =
         new ClientRegistrationKey(userRegistrationId, handler, codec);
     registrations.put(registrationKey, new ConcurrentHashMap<Address, ClientEventRegistration>());
     try {
       for (Member member : this.members) {
         invoke(registrationKey, member.getAddress());
       }
     } catch (Exception e) {
       deregisterListener(userRegistrationId);
       throw new HazelcastException("Listener can not be added", e);
     }
     return userRegistrationId;
   }
 }
示例#28
0
 public String addMapInterceptorInternal(MapInterceptor interceptor) {
   NodeEngine nodeEngine = getNodeEngine();
   if (interceptor instanceof HazelcastInstanceAware) {
     ((HazelcastInstanceAware) interceptor)
         .setHazelcastInstance(nodeEngine.getHazelcastInstance());
   }
   String id = mapServiceContext.generateInterceptorId(name, interceptor);
   Collection<Member> members = nodeEngine.getClusterService().getMembers();
   for (Member member : members) {
     try {
       AddInterceptorOperation op = new AddInterceptorOperation(id, interceptor, name);
       Future future = operationService.invokeOnTarget(SERVICE_NAME, op, member.getAddress());
       future.get();
     } catch (Throwable t) {
       throw rethrow(t);
     }
   }
   return id;
 }
 // For Testing
 public Collection<ClientEventRegistration> getActiveRegistrations(String uuid) {
   synchronized (listenerRegLock) {
     Map<Address, ClientEventRegistration> registrationMap =
         registrations.get(new ClientRegistrationKey(uuid));
     if (registrationMap == null) {
       return Collections.EMPTY_LIST;
     }
     LinkedList<ClientEventRegistration> activeRegistrations =
         new LinkedList<ClientEventRegistration>();
     for (ClientEventRegistration registration : registrationMap.values()) {
       for (Member member : members) {
         if (member.getAddress().equals(registration.getSubscriber())) {
           activeRegistrations.add(registration);
         }
       }
     }
     return activeRegistrations;
   }
 }
示例#30
0
  protected void startClusterMerge(final Address targetAddress) {
    ClusterServiceImpl clusterService = node.clusterService;

    if (!prepareClusterState(clusterService)) {
      return;
    }

    OperationService operationService = node.nodeEngine.getOperationService();
    Collection<Member> memberList = clusterService.getMembers();
    for (Member member : memberList) {
      if (!member.localMember()) {
        Operation op = new MergeClustersOperation(targetAddress);
        operationService.invokeOnTarget(ClusterServiceImpl.SERVICE_NAME, op, member.getAddress());
      }
    }

    Operation mergeClustersOperation = new MergeClustersOperation(targetAddress);
    mergeClustersOperation
        .setNodeEngine(node.nodeEngine)
        .setService(clusterService)
        .setOperationResponseHandler(createEmptyResponseHandler());
    operationService.runOperationOnCallingThread(mergeClustersOperation);
  }