Examples with ResponseHeader org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader used on opensource projects

Example 1 with ResponseHeader

use of org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader in project milo by eclipse.

the class SubscriptionManager method modifyMonitoredItems.

public void modifyMonitoredItems(ServiceRequest service) throws UaException {
    ModifyMonitoredItemsRequest request = (ModifyMonitoredItemsRequest) service.getRequest();
    UInteger subscriptionId = request.getSubscriptionId();
    Subscription subscription = subscriptions.get(subscriptionId);
    TimestampsToReturn timestamps = request.getTimestampsToReturn();
    List<MonitoredItemModifyRequest> itemsToModify = l(request.getItemsToModify());
    if (subscription == null) {
        throw new UaException(StatusCodes.Bad_SubscriptionIdInvalid);
    }
    if (timestamps == null) {
        throw new UaException(StatusCodes.Bad_TimestampsToReturnInvalid);
    }
    if (itemsToModify.isEmpty()) {
        throw new UaException(StatusCodes.Bad_NothingToDo);
    }
    List<NodeId> distinctNodeIds = itemsToModify.stream().map(item -> {
        UInteger itemId = item.getMonitoredItemId();
        BaseMonitoredItem<?> monitoredItem = subscription.getMonitoredItems().get(itemId);
        return monitoredItem != null ? monitoredItem.getReadValueId().getNodeId() : NodeId.NULL_VALUE;
    }).filter(NodeId::isNotNull).distinct().collect(toList());
    CompletableFuture<Map<NodeId, AttributeGroup>> attributesFuture = readMonitoringAttributes(distinctNodeIds);
    attributesFuture.thenAccept(attributeGroups -> {
        MonitoredItemModifyResult[] modifyResults = new MonitoredItemModifyResult[itemsToModify.size()];
        List<BaseMonitoredItem<?>> monitoredItems = new ArrayList<>();
        for (int i = 0; i < itemsToModify.size(); i++) {
            MonitoredItemModifyRequest modifyRequest = itemsToModify.get(i);
            try {
                BaseMonitoredItem<?> monitoredItem = modifyMonitoredItem(modifyRequest, timestamps, subscription, attributeGroups);
                monitoredItems.add(monitoredItem);
                modifyResults[i] = new MonitoredItemModifyResult(StatusCode.GOOD, monitoredItem.getSamplingInterval(), uint(monitoredItem.getQueueSize()), monitoredItem.getFilterResult());
            } catch (UaException e) {
                modifyResults[i] = new MonitoredItemModifyResult(e.getStatusCode(), 0.0, UInteger.MIN, null);
            }
        }
        subscription.resetLifetimeCounter();
        /*
             * Notify AddressSpaces of the items we just modified.
             */
        byMonitoredItemType(monitoredItems, dataItems -> server.getAddressSpaceManager().onDataItemsModified(dataItems), eventItems -> server.getAddressSpaceManager().onEventItemsModified(eventItems));
        /*
             * AddressSpaces have been notified; send response.
             */
        ResponseHeader header = service.createResponseHeader();
        ModifyMonitoredItemsResponse response = new ModifyMonitoredItemsResponse(header, modifyResults, new DiagnosticInfo[0]);
        service.setResponse(response);
    });
}

Example 2 with ResponseHeader

use of org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader in project milo by eclipse.

the class SubscriptionManager method modifySubscription.

public void modifySubscription(ServiceRequest service) throws UaException {
    ModifySubscriptionRequest request = (ModifySubscriptionRequest) service.getRequest();
    UInteger subscriptionId = request.getSubscriptionId();
    Subscription subscription = subscriptions.get(subscriptionId);
    if (subscription == null) {
        throw new UaException(StatusCodes.Bad_SubscriptionIdInvalid);
    }
    subscription.modifySubscription(request);
    ResponseHeader header = service.createResponseHeader();
    ModifySubscriptionResponse response = new ModifySubscriptionResponse(header, subscription.getPublishingInterval(), uint(subscription.getLifetimeCount()), uint(subscription.getMaxKeepAliveCount()));
    service.setResponse(response);
}

Example 3 with ResponseHeader

use of org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader in project milo by eclipse.

the class DefaultNodeManagementServiceSet method onDeleteReferences.

@Override
public void onDeleteReferences(ServiceRequest service) {
    OpcUaServer server = service.attr(ServiceAttributes.SERVER_KEY).get();
    Session session = service.attr(ServiceAttributes.SESSION_KEY).get();
    DeleteReferencesRequest request = (DeleteReferencesRequest) service.getRequest();
    List<DeleteReferencesItem> referencesToDelete = l(request.getReferencesToDelete());
    if (referencesToDelete.isEmpty()) {
        service.setServiceFault(StatusCodes.Bad_NothingToDo);
        return;
    }
    if (referencesToDelete.size() > server.getConfig().getLimits().getMaxNodesPerNodeManagement().longValue()) {
        service.setServiceFault(StatusCodes.Bad_TooManyOperations);
        return;
    }
    DeleteReferencesContext context = new DeleteReferencesContext(server, session, new DiagnosticsContext<>());
    server.getAddressSpaceManager().deleteReferences(context, referencesToDelete);
    context.getFuture().thenAccept(results -> {
        ResponseHeader header = service.createResponseHeader();
        DeleteReferencesResponse response = new DeleteReferencesResponse(header, a(results, StatusCode.class), new DiagnosticInfo[0]);
        service.setResponse(response);
    });
}

Example 4 with ResponseHeader

use of org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader in project milo by eclipse.

the class DefaultNodeManagementServiceSet method onAddReferences.

@Override
public void onAddReferences(ServiceRequest service) {
    OpcUaServer server = service.attr(ServiceAttributes.SERVER_KEY).get();
    Session session = service.attr(ServiceAttributes.SESSION_KEY).get();
    AddReferencesRequest request = (AddReferencesRequest) service.getRequest();
    List<AddReferencesItem> referencesToAdd = l(request.getReferencesToAdd());
    if (referencesToAdd.isEmpty()) {
        service.setServiceFault(StatusCodes.Bad_NothingToDo);
        return;
    }
    if (referencesToAdd.size() > server.getConfig().getLimits().getMaxNodesPerNodeManagement().longValue()) {
        service.setServiceFault(StatusCodes.Bad_TooManyOperations);
        return;
    }
    AddReferencesContext context = new AddReferencesContext(server, session, new DiagnosticsContext<>());
    server.getAddressSpaceManager().addReferences(context, referencesToAdd);
    context.getFuture().thenAccept(results -> {
        ResponseHeader header = service.createResponseHeader();
        AddReferencesResponse response = new AddReferencesResponse(header, a(results, StatusCode.class), new DiagnosticInfo[0]);
        service.setResponse(response);
    });
}

Example 5 with ResponseHeader

use of org.eclipse.milo.opcua.stack.core.types.structured.ResponseHeader in project milo by eclipse.

the class DefaultAttributeServiceSet method onRead.

@Override
public void onRead(ServiceRequest service) {
    ReadRequest request = (ReadRequest) service.getRequest();
    OpcUaServer server = service.attr(ServiceAttributes.SERVER_KEY).get();
    Session session = service.attr(ServiceAttributes.SESSION_KEY).get();
    List<ReadValueId> nodesToRead = l(request.getNodesToRead());
    if (nodesToRead.isEmpty()) {
        service.setServiceFault(StatusCodes.Bad_NothingToDo);
        return;
    }
    if (nodesToRead.size() > server.getConfig().getLimits().getMaxNodesPerRead().longValue()) {
        service.setServiceFault(StatusCodes.Bad_TooManyOperations);
        return;
    }
    if (request.getMaxAge() < 0d) {
        service.setServiceFault(StatusCodes.Bad_MaxAgeInvalid);
        return;
    }
    if (request.getTimestampsToReturn() == null) {
        service.setServiceFault(StatusCodes.Bad_TimestampsToReturnInvalid);
        return;
    }
    DiagnosticsContext<ReadValueId> diagnosticsContext = new DiagnosticsContext<>();
    ReadContext context = new ReadContext(server, session, diagnosticsContext);
    server.getAddressSpaceManager().read(context, request.getMaxAge(), request.getTimestampsToReturn(), nodesToRead);
    context.getFuture().thenAccept(values -> {
        ResponseHeader header = service.createResponseHeader();
        DiagnosticInfo[] diagnosticInfos = diagnosticsContext.getDiagnosticInfos(nodesToRead);
        ReadResponse response = new ReadResponse(header, values.toArray(new DataValue[0]), diagnosticInfos);
        service.setResponse(response);
    });
}