Examples with Unit org.eclipse.milo.opcua.stack.core.util.Unit used on opensource projects

Example 1 with Unit

use of org.eclipse.milo.opcua.stack.core.util.Unit in project milo by eclipse.

the class DataTypeTreeBuilder method addChildren.

private static CompletableFuture<Unit> addChildren(Tree<DataTypeTree.DataType> tree, UaStackClient client, OpcUaSession session, NamespaceTable namespaceTable) {
    CompletableFuture<List<ReferenceDescription>> subtypes = browseSafe(client, session, new BrowseDescription(tree.getValue().getNodeId(), BrowseDirection.Forward, Identifiers.HasSubtype, false, uint(NodeClass.DataType.getValue()), uint(BrowseResultMask.All.getValue())));
    CompletableFuture<List<DataTypeTree.DataType>> dataTypesFuture = subtypes.thenCompose(references -> {
        Stream<CompletableFuture<DataTypeTree.DataType>> dataTypeFutures = references.stream().map(dataTypeReference -> {
            NodeId dataTypeId = dataTypeReference.getNodeId().toNodeId(namespaceTable).orElse(NodeId.NULL_VALUE);
            CompletableFuture<List<ReferenceDescription>> encodings = browseSafe(client, session, new BrowseDescription(dataTypeId, BrowseDirection.Forward, Identifiers.HasEncoding, false, uint(NodeClass.Object.getValue()), uint(BrowseResultMask.All.getValue())));
            return encodings.thenApply(encodingReferences -> {
                NodeId binaryEncodingId = null;
                NodeId xmlEncodingId = null;
                for (ReferenceDescription r : encodingReferences) {
                    if (r.getBrowseName().equals(OpcUaDefaultBinaryEncoding.ENCODING_NAME)) {
                        binaryEncodingId = r.getNodeId().toNodeId(namespaceTable).orElse(null);
                    } else if (r.getBrowseName().equals(OpcUaDefaultXmlEncoding.ENCODING_NAME)) {
                        xmlEncodingId = r.getNodeId().toNodeId(namespaceTable).orElse(null);
                    }
                }
                return new DataTypeTree.DataType(dataTypeReference.getBrowseName(), dataTypeId, binaryEncodingId, xmlEncodingId);
            });
        });
        return FutureUtils.sequence(dataTypeFutures);
    });
    return dataTypesFuture.thenCompose(dataTypes -> {
        Stream<CompletableFuture<Unit>> futures = dataTypes.stream().map(tree::addChild).map(childNode -> addChildren(childNode, client, session, namespaceTable));
        return FutureUtils.sequence(futures);
    }).thenApply(v -> Unit.VALUE);
}

Example 2 with Unit

use of org.eclipse.milo.opcua.stack.core.util.Unit in project milo by eclipse.

the class ServerChannelManager method bind.

public CompletableFuture<Unit> bind(EndpointConfiguration endpoint) {
    CompletableFuture<Unit> future = new CompletableFuture<>();
    semaphore.acquire().thenApply(permit -> {
        future.whenComplete((u, ex) -> permit.release());
        InetSocketAddress bindAddress = new InetSocketAddress(endpoint.getBindAddress(), endpoint.getBindPort());
        if (channels.containsKey(bindAddress)) {
            return future.complete(Unit.VALUE);
        } else {
            logger.debug("binding to {}", bindAddress);
            CompletableFuture<Channel> bootstrap = bootstrap(stackServer, bindAddress, endpoint.getTransportProfile());
            return bootstrap.whenComplete((channel, ex) -> {
                if (channel != null) {
                    addresses.add(bindAddress);
                    channels.put(bindAddress, channel);
                    future.complete(Unit.VALUE);
                } else {
                    future.completeExceptionally(ex);
                }
            });
        }
    });
    return future;
}

Example 3 with Unit

use of org.eclipse.milo.opcua.stack.core.util.Unit in project milo by eclipse.

the class ServerChannelManager method unbind.

public CompletableFuture<Unit> unbind(EndpointConfiguration endpoint) {
    CompletableFuture<Unit> future = new CompletableFuture<>();
    semaphore.acquire().thenAccept(permit -> {
        future.whenComplete((u, ex) -> permit.release());
        InetSocketAddress bindAddress = new InetSocketAddress(endpoint.getBindAddress(), endpoint.getBindPort());
        if (addresses.remove(bindAddress, 1) == 1) {
            logger.debug("unbinding from {}", bindAddress);
            Channel channel = channels.remove(bindAddress);
            if (channel != null) {
                channel.close();
            }
        }
        future.complete(Unit.VALUE);
    });
    return future;
}

Example 4 with Unit

use of org.eclipse.milo.opcua.stack.core.util.Unit in project milo by eclipse.

the class SessionFsmFactory method closeSession.

private static CompletableFuture<Unit> closeSession(FsmContext<State, Event> ctx, OpcUaClient client, OpcUaSession session) {
    CompletableFuture<Unit> closeFuture = new CompletableFuture<>();
    UaStackClient stackClient = client.getStackClient();
    RequestHeader requestHeader = stackClient.newRequestHeader(session.getAuthenticationToken(), uint(5000));
    CloseSessionRequest request = new CloseSessionRequest(requestHeader, true);
    LOGGER.debug("[{}] Sending CloseSessionRequest...", ctx.getInstanceId());
    stackClient.sendRequest(request).whenCompleteAsync((csr, ex2) -> closeFuture.complete(Unit.VALUE), client.getConfig().getExecutor());
    return closeFuture;
}

Example 5 with Unit

use of org.eclipse.milo.opcua.stack.core.util.Unit in project milo by eclipse.

the class SessionFsmFactory method initialize.

private static CompletableFuture<Unit> initialize(FsmContext<State, Event> ctx, OpcUaClient client, OpcUaSession session) {
    List<SessionFsm.SessionInitializer> initializers = KEY_SESSION_INITIALIZERS.get(ctx).sessionInitializers;
    if (initializers.isEmpty()) {
        return completedFuture(Unit.VALUE);
    } else {
        UaStackClient stackClient = client.getStackClient();
        CompletableFuture<?>[] futures = initializers.stream().map(i -> i.initialize(stackClient, session)).toArray(CompletableFuture[]::new);
        return CompletableFuture.allOf(futures).thenApply(v -> Unit.VALUE);
    }
}