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

Example 1 with BrowseRequest

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

the class DataTypeDictionaryReader method browseNode.

private CompletableFuture<List<ReferenceDescription>> browseNode(BrowseDescription browseDescription) {
    RequestHeader requestHeader = stackClient.newRequestHeader(session.getAuthenticationToken(), stackClient.getConfig().getRequestTimeout());
    BrowseRequest browseRequest = new BrowseRequest(requestHeader, new ViewDescription(NodeId.NULL_VALUE, DateTime.MIN_VALUE, uint(0)), uint(0), new BrowseDescription[] { browseDescription });
    return stackClient.sendRequest(browseRequest).thenApply(BrowseResponse.class::cast).thenApply(r -> Objects.requireNonNull(r.getResults())[0]).thenCompose(result -> {
        List<ReferenceDescription> references = Collections.synchronizedList(new ArrayList<>());
        return maybeBrowseNext(result, references);
    });
}

Example 2 with BrowseRequest

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

the class BrowseHelper method browse.

public static CompletableFuture<List<ReferenceDescription>> browse(UaStackClient client, OpcUaSession session, BrowseDescription browseDescription, UInteger maxReferencesPerNode) {
    BrowseRequest browseRequest = new BrowseRequest(client.newRequestHeader(session.getAuthenticationToken(), client.getConfig().getRequestTimeout()), new ViewDescription(NodeId.NULL_VALUE, DateTime.MIN_VALUE, uint(0)), maxReferencesPerNode, new BrowseDescription[] { browseDescription });
    return client.sendRequest(browseRequest).thenApply(BrowseResponse.class::cast).thenCompose(response -> {
        BrowseResult result = response.getResults()[0];
        List<ReferenceDescription> references = Collections.synchronizedList(new ArrayList<>());
        return maybeBrowseNext(client, session, references, result);
    });
}

Example 3 with BrowseRequest

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

the class DefaultViewServiceSet method onBrowse.

@Override
public void onBrowse(ServiceRequest service) {
    browseCounter.record(service);
    BrowseRequest request = (BrowseRequest) service.getRequest();
    DiagnosticsContext<BrowseDescription> diagnosticsContext = new DiagnosticsContext<>();
    OpcUaServer server = service.attr(ServiceAttributes.SERVER_KEY).get();
    Session session = service.attr(ServiceAttributes.SESSION_KEY).get();
    List<BrowseDescription> nodesToBrowse = l(request.getNodesToBrowse());
    if (nodesToBrowse.isEmpty()) {
        service.setServiceFault(StatusCodes.Bad_NothingToDo);
        return;
    }
    if (nodesToBrowse.size() > server.getConfig().getLimits().getMaxNodesPerBrowse().intValue()) {
        service.setServiceFault(StatusCodes.Bad_TooManyOperations);
        return;
    }
    Stream<CompletableFuture<BrowseResult>> futures = nodesToBrowse.stream().map(browseDescription -> browseHelper.browse(() -> Optional.of(session), server, request.getView(), request.getRequestedMaxReferencesPerNode(), browseDescription));
    FutureUtils.sequence(futures).thenAccept(results -> {
        ResponseHeader header = service.createResponseHeader();
        DiagnosticInfo[] diagnosticInfos = diagnosticsContext.getDiagnosticInfos(nodesToBrowse);
        BrowseResponse response = new BrowseResponse(header, a(results, BrowseResult.class), diagnosticInfos);
        service.setResponse(response);
    });
}