@Override
  protected void executeRuntimeStep(OperationContext context, ModelNode operation)
      throws OperationFailedException {

    // get the channel name and channel attribute
    PathAddress pathAddress = PathAddress.pathAddress(operation.require(OP_ADDR));
    String channelName = pathAddress.getElement(pathAddress.size() - 1).getValue();
    String attrName = operation.require(NAME).asString();
    ChannelMetrics metric = ChannelMetrics.getStat(attrName);

    // lookup the channel
    ServiceName channelServiceName = ChannelInstanceResource.CHANNEL_PARENT.append(channelName);
    ServiceController<?> controller =
        context.getServiceRegistry(false).getService(channelServiceName);

    // check that the service has been installed and started
    boolean started = controller != null && controller.getValue() != null;
    ModelNode result = new ModelNode();

    if (metric == null) {
      context.getFailureDescription().set(JGroupsMessages.MESSAGES.unknownMetric(attrName));
    } else if (!started) {
      // when the cache service is not available, return a null result
    } else {
      JChannel channel = (JChannel) controller.getValue();
      switch (metric) {
        case ADDRESS:
          result.set(channel.getAddressAsString());
          break;
        case ADDRESS_AS_UUID:
          result.set(channel.getAddressAsUUID());
          break;
        case DISCARD_OWN_MESSAGES:
          result.set(channel.getDiscardOwnMessages());
          break;
        case NUM_TASKS_IN_TIMER:
          result.set(channel.getNumberOfTasksInTimer());
          break;
        case NUM_TIMER_THREADS:
          result.set(channel.getTimerThreads());
          break;
        case RECEIVED_BYTES:
          result.set(channel.getReceivedBytes());
          break;
        case RECEIVED_MESSAGES:
          result.set(channel.getReceivedMessages());
          break;
        case SENT_BYTES:
          result.set(channel.getSentBytes());
          break;
        case SENT_MESSAGES:
          result.set(channel.getSentMessages());
          break;
        case STATE:
          result.set(channel.getState());
          break;
        case STATS_ENABLED:
          result.set(channel.statsEnabled());
          break;
        case VERSION:
          result.set(JChannel.getVersion());
          break;
        case VIEW:
          result.set(channel.getViewAsString());
          break;
      }
      context.getResult().set(result);
    }
    context.completeStep(OperationContext.ResultHandler.NOOP_RESULT_HANDLER);
  }
Example #2
0
  @Override
  public void execute(final OperationContext context, final ModelNode operation)
      throws OperationFailedException {

    // read /subsystem=jgroups/stack=* for update
    final Resource resource = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS);
    final ModelNode subModel = resource.getModel();

    // validate the protocol type to be added
    ModelNode type = ProtocolResource.TYPE.validateOperation(operation);
    PathElement protocolRelativePath = PathElement.pathElement(ModelKeys.PROTOCOL, type.asString());

    // if child resource already exists, throw OFE
    if (resource.hasChild(protocolRelativePath)) {
      throw JGroupsMessages.MESSAGES.protocolAlreadyDefined(protocolRelativePath.toString());
    }

    // now get the created model
    Resource childResource = context.createResource(PathAddress.pathAddress(protocolRelativePath));
    final ModelNode protocol = childResource.getModel();

    // Process attributes
    for (final AttributeDefinition attribute : attributes) {
      // we use PROPERTIES only to allow the user to pass in a list of properties on store add
      // commands
      // don't copy these into the model
      if (attribute.getName().equals(ModelKeys.PROPERTIES)) continue;

      attribute.validateAndSet(operation, protocol);
    }

    // get the current list of protocol names and add the new protocol
    // this list is used to maintain order
    ModelNode protocols = subModel.get(ModelKeys.PROTOCOLS);
    if (!protocols.isDefined()) {
      protocols.setEmptyList();
    }
    protocols.add(type);

    // Process type specific properties if required
    process(subModel, operation);

    // The protocol parameters  <property name=>value</property>
    if (operation.hasDefined(ModelKeys.PROPERTIES)) {
      for (Property property : operation.get(ModelKeys.PROPERTIES).asPropertyList()) {
        // create a new property=name resource
        final Resource param =
            context.createResource(
                PathAddress.pathAddress(
                    protocolRelativePath,
                    PathElement.pathElement(ModelKeys.PROPERTY, property.getName())));
        final ModelNode value = property.getValue();
        if (!value.isDefined()) {
          throw JGroupsMessages.MESSAGES.propertyNotDefined(
              property.getName(), protocolRelativePath.toString());
        }
        // set the value of the property
        param.getModel().get(ModelDescriptionConstants.VALUE).set(value);
      }
    }
    // This needs a reload
    reloadRequiredStep(context);
    context.completeStep();
  }