Examples with UInteger org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger used on opensource projects

Example 1 with UInteger

use of org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger in project plc4x by apache.

the class Plc4xNamespace method addConfiguredNodes.

private void addConfiguredNodes(UaFolderNode rootNode, DeviceConfiguration c) {
    final List<Tag> tags = c.getTags();
    final String connectionString = c.getConnectionString();
    for (int i = 0; i < tags.size(); i++) {
        logger.info("Adding Tag " + tags.get(i).getAlias() + " - " + tags.get(i).getAddress());
        String name = tags.get(i).getAlias();
        final String tag = tags.get(i).getAddress();
        Class datatype = null;
        NodeId typeId = Identifiers.String;
        UaVariableNode node = null;
        Variant variant = null;
        try {
            datatype = plc4xServer.getField(tag, connectionString).getDefaultJavaType();
            final int length = plc4xServer.getField(tag, connectionString).getNumberOfElements();
            typeId = Plc4xCommunication.getNodeId(plc4xServer.getField(tag, connectionString).getPlcDataType());
            if (length > 1) {
                node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId(name)).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).setValueRank(ValueRank.OneDimension.getValue()).setArrayDimensions(new UInteger[] { uint(length) }).build();
                Object array = Array.newInstance(datatype, length);
                for (int j = 0; j < length; j++) {
                    Array.set(array, j, false);
                }
                variant = new Variant(array);
            } else {
                node = new UaVariableNode.UaVariableNodeBuilder(getNodeContext()).setNodeId(newNodeId(name)).setAccessLevel(AccessLevel.READ_WRITE).setUserAccessLevel(AccessLevel.READ_WRITE).setBrowseName(newQualifiedName(name)).setDisplayName(LocalizedText.english(name)).setDataType(typeId).setTypeDefinition(Identifiers.BaseDataVariableType).build();
                variant = new Variant(0);
            }
            node.setValue(new DataValue(variant));
            node.getFilterChain().addLast(AttributeFilters.getValue(ctx -> plc4xServer.getValue(ctx, tag, connectionString)));
            node.getFilterChain().addLast(AttributeFilters.setValue((ctx, value) -> {
                if (length > 1) {
                    plc4xServer.setValue(tag, Arrays.toString((Object[]) value.getValue().getValue()), connectionString);
                } else {
                    plc4xServer.setValue(tag, value.getValue().getValue().toString(), connectionString);
                }
            }));
        } catch (PlcConnectionException e) {
            logger.info("Couldn't find data type");
            System.exit(1);
        }
        getNodeManager().addNode(node);
        rootNode.addOrganizes(node);
    }
}

Example 2 with UInteger

use of org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger in project milo by eclipse.

the class DataTypeDictionaryReader method readDataTypeDescriptionValues.

private CompletableFuture<List<String>> readDataTypeDescriptionValues(List<NodeId> nodeIds) {
    CompletableFuture<UInteger> maxNodesPerRead = readNode(new ReadValueId(Identifiers.Server_ServerCapabilities_OperationLimits_MaxNodesPerRead, AttributeId.Value.uid(), null, QualifiedName.NULL_VALUE)).thenApply(dv -> (UInteger) dv.getValue().getValue());
    CompletableFuture<Integer> getPartitionSize = maxNodesPerRead.thenApply(m -> Math.max(1, Ints.saturatedCast(m.longValue()))).exceptionally(ex -> PARTITION_SIZE);
    return getPartitionSize.thenCompose(partitionSize -> {
        List<List<NodeId>> partitions = Lists.partition(nodeIds, partitionSize);
        CompletableFuture<List<List<DataValue>>> sequence = FutureUtils.sequence(partitions.stream().map(list -> {
            List<ReadValueId> readValueIds = list.stream().map(nodeId -> new ReadValueId(nodeId, AttributeId.Value.uid(), null, QualifiedName.NULL_VALUE)).collect(Collectors.toList());
            return readNodes(readValueIds);
        }));
        return sequence.thenApply(values -> values.stream().flatMap(List::stream).map(v -> (String) v.getValue().getValue()).collect(Collectors.toList()));
    });
}

Example 3 with UInteger

use of org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger in project milo by eclipse.

the class SubscriptionExample method run.

@Override
public void run(OpcUaClient client, CompletableFuture<OpcUaClient> future) throws Exception {
    // synchronous connect
    client.connect().get();
    // create a subscription @ 1000ms
    UaSubscription subscription = client.getSubscriptionManager().createSubscription(1000.0).get();
    // subscribe to the Value attribute of the server's CurrentTime node
    ReadValueId readValueId = new ReadValueId(Identifiers.Server_ServerStatus_CurrentTime, AttributeId.Value.uid(), null, QualifiedName.NULL_VALUE);
    // IMPORTANT: client handle must be unique per item within the context of a subscription.
    // You are not required to use the UaSubscription's client handle sequence; it is provided as a convenience.
    // Your application is free to assign client handles by whatever means necessary.
    UInteger clientHandle = subscription.nextClientHandle();
    MonitoringParameters parameters = new MonitoringParameters(clientHandle, // sampling interval
    1000.0, // filter, null means use default
    null, // queue size
    uint(10), // discard oldest
    true);
    MonitoredItemCreateRequest request = new MonitoredItemCreateRequest(readValueId, MonitoringMode.Reporting, parameters);
    // when creating items in MonitoringMode.Reporting this callback is where each item needs to have its
    // value/event consumer hooked up. The alternative is to create the item in sampling mode, hook up the
    // consumer after the creation call completes, and then change the mode for all items to reporting.
    UaSubscription.ItemCreationCallback onItemCreated = (item, id) -> item.setValueConsumer(this::onSubscriptionValue);
    List<UaMonitoredItem> items = subscription.createMonitoredItems(TimestampsToReturn.Both, newArrayList(request), onItemCreated).get();
    for (UaMonitoredItem item : items) {
        if (item.getStatusCode().isGood()) {
            logger.info("item created for nodeId={}", item.getReadValueId().getNodeId());
        } else {
            logger.warn("failed to create item for nodeId={} (status={})", item.getReadValueId().getNodeId(), item.getStatusCode());
        }
    }
    // let the example run for 5 seconds then terminate
    Thread.sleep(5000);
    future.complete(client);
}

Example 4 with UInteger

use of org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger in project milo by eclipse.

the class SubscriptionWatchdogTimerTest method testSubscriptionWatchdogTimer.

@Disabled("run this test manually")
@Test
public void testSubscriptionWatchdogTimer() throws UaException, InterruptedException {
    ManagedDataItem dataItem = subscription.createDataItem(Identifiers.Server_ServerStatus_State);
    assertTrue(dataItem.getStatusCode().isGood());
    CountDownLatch latch = new CountDownLatch(2);
    subscription.addStatusListener(new ManagedSubscription.StatusListener() {

        @Override
        public void onSubscriptionWatchdogTimerElapsed(ManagedSubscription subscription) {
            System.out.println("onWatchdogTimerElapsed() id=" + subscription.getSubscription().getSubscriptionId());
            latch.countDown();
        }
    });
    client.getSubscriptionManager().addSubscriptionListener(new SubscriptionListener() {

        @Override
        public void onSubscriptionWatchdogTimerElapsed(UaSubscription subscription) {
            System.out.println("onWatchdogTimerElapsed() id=" + subscription.getSubscriptionId());
            latch.countDown();
        }
    });
    UInteger subscriptionId = subscription.getSubscription().getSubscriptionId();
    server.getSubscriptions().get(subscriptionId).deleteSubscription();
    System.out.printf("deleted subscription id=%s on server...%n", subscriptionId);
    System.out.println("waiting for watchdog timer to elapse...");
    assertTrue(latch.await(15, TimeUnit.SECONDS));
}

Example 5 with UInteger

use of org.eclipse.milo.opcua.stack.core.types.builtin.unsigned.UInteger in project milo by eclipse.

the class EventSubscriptionExample method run.

@Override
public void run(OpcUaClient client, CompletableFuture<OpcUaClient> future) throws Exception {
    // synchronous connect
    client.connect().get();
    // create a subscription and a monitored item
    UaSubscription subscription = client.getSubscriptionManager().createSubscription(1000.0).get();
    ReadValueId readValueId = new ReadValueId(Identifiers.Server, AttributeId.EventNotifier.uid(), null, QualifiedName.NULL_VALUE);
    // client handle must be unique per item
    UInteger clientHandle = uint(clientHandles.getAndIncrement());
    EventFilter eventFilter = new EventFilter(new SimpleAttributeOperand[] { new SimpleAttributeOperand(Identifiers.BaseEventType, new QualifiedName[] { new QualifiedName(0, "EventId") }, AttributeId.Value.uid(), null), new SimpleAttributeOperand(Identifiers.BaseEventType, new QualifiedName[] { new QualifiedName(0, "EventType") }, AttributeId.Value.uid(), null), new SimpleAttributeOperand(Identifiers.BaseEventType, new QualifiedName[] { new QualifiedName(0, "Severity") }, AttributeId.Value.uid(), null), new SimpleAttributeOperand(Identifiers.BaseEventType, new QualifiedName[] { new QualifiedName(0, "Time") }, AttributeId.Value.uid(), null), new SimpleAttributeOperand(Identifiers.BaseEventType, new QualifiedName[] { new QualifiedName(0, "Message") }, AttributeId.Value.uid(), null) }, new ContentFilter(null));
    MonitoringParameters parameters = new MonitoringParameters(clientHandle, 0.0, ExtensionObject.encode(client.getStaticSerializationContext(), eventFilter), uint(10), true);
    MonitoredItemCreateRequest request = new MonitoredItemCreateRequest(readValueId, MonitoringMode.Reporting, parameters);
    List<UaMonitoredItem> items = subscription.createMonitoredItems(TimestampsToReturn.Both, newArrayList(request)).get();
    // do something with the value updates
    UaMonitoredItem monitoredItem = items.get(0);
    final AtomicInteger eventCount = new AtomicInteger(0);
    monitoredItem.setEventConsumer((item, vs) -> {
        logger.info("Event Received from {}", item.getReadValueId().getNodeId());
        for (int i = 0; i < vs.length; i++) {
            logger.info("\tvariant[{}]: {}", i, vs[i].getValue());
        }
        if (eventCount.incrementAndGet() == 3) {
            future.complete(client);
        }
    });
}