Examples with UaResponseMessage org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage used on opensource projects

Example 1 with UaResponseMessage

use of org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage in project milo by eclipse.

the class UaStackClient method sendRequest.

/**
 * Send a {@link UaRequestMessage} to the connected server.
 * <p>
 * The {@link RequestHeader} of {@code request} must have a unique request handle. Use the
 * {@code newRequestHeader} helper functions to create headers for {@link UaRequestMessage}s.
 *
 * @param request the {@link UaRequestMessage} to send.
 * @return a {@link CompletableFuture} containing the eventual {@link UaResponseMessage} from the server.
 * @see #newRequestHeader()
 * @see #newRequestHeader(NodeId)
 * @see #newRequestHeader(NodeId, UInteger)
 */
public CompletableFuture<UaResponseMessage> sendRequest(UaRequestMessage request) {
    RequestHeader requestHeader = request.getRequestHeader();
    UInteger requestHandle = requestHeader.getRequestHandle();
    final CompletableFuture<UaResponseMessage> future = new CompletableFuture<>();
    pending.put(requestHandle, future);
    transport.sendRequest(request).whenComplete((response, ex) -> {
        pending.remove(requestHandle);
        deliverResponse(request, response, ex, future);
    });
    return future;
}

Example 2 with UaResponseMessage

use of org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage in project milo by eclipse.

the class ClientServerTest method testClientDisconnect.

@Test
public void testClientDisconnect() throws Exception {
    EndpointDescription endpoint = endpoints[0];
    Variant input = new Variant(42);
    logger.info("SecurityPolicy={}, MessageSecurityMode={}, input={}", SecurityPolicy.fromUri(endpoint.getSecurityPolicyUri()), endpoint.getSecurityMode(), input);
    UaStackClient client = createClient(endpoint);
    client.connect().get();
    RequestHeader header = new RequestHeader(NodeId.NULL_VALUE, DateTime.now(), uint(0), uint(0), null, DEFAULT_TIMEOUT_HINT, null);
    ReadRequest request = new ReadRequest(header, 0.0, TimestampsToReturn.Neither, new ReadValueId[] { new ReadValueId(NodeId.NULL_VALUE, AttributeId.Value.uid(), null, null) });
    logger.info("sending request: {}", request);
    UaResponseMessage response0 = client.sendRequest(request).get();
    logger.info("got response: {}", response0);
    client.disconnect().get();
    assertThrows(() -> client.sendRequest(request).get());
}

Example 3 with UaResponseMessage

use of org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage in project milo by eclipse.

the class ClientServerTest method testClientStateMachine.

@Test
public void testClientStateMachine() throws Exception {
    EndpointDescription endpoint = endpoints[0];
    Variant input = new Variant(42);
    logger.info("SecurityPolicy={}, MessageSecurityMode={}, input={}", SecurityPolicy.fromUri(endpoint.getSecurityPolicyUri()), endpoint.getSecurityMode(), input);
    UaStackClient client = createClient(endpoint);
    for (int i = 0; i < 1000; i++) {
        client.connect().get();
        RequestHeader header = new RequestHeader(NodeId.NULL_VALUE, DateTime.now(), uint(i), uint(0), null, DEFAULT_TIMEOUT_HINT, null);
        ReadRequest request = new ReadRequest(header, 0.0, TimestampsToReturn.Neither, new ReadValueId[] { new ReadValueId(NodeId.NULL_VALUE, AttributeId.Value.uid(), null, null) });
        logger.debug("sending request: {}", request);
        UaResponseMessage response = client.sendRequest(request).get();
        logger.debug("got response: {}", response);
        client.disconnect().get();
    }
}

Example 4 with UaResponseMessage

use of org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage in project milo by eclipse.

the class DataTypeTreeBuilder method readNamespaceTable.

private static CompletableFuture<NamespaceTable> readNamespaceTable(UaStackClient client, OpcUaSession session) {
    RequestHeader requestHeader = client.newRequestHeader(session.getAuthenticationToken(), client.getConfig().getRequestTimeout());
    CompletableFuture<UaResponseMessage> readFuture = client.sendRequest(new ReadRequest(requestHeader, 0.0, TimestampsToReturn.Neither, new ReadValueId[] { new ReadValueId(Identifiers.Server_NamespaceArray, AttributeId.Value.uid(), null, QualifiedName.NULL_VALUE) }));
    return readFuture.thenApply(ReadResponse.class::cast).thenApply(response -> {
        DataValue dataValue = response.getResults()[0];
        String[] namespaceUris = (String[]) dataValue.getValue().getValue();
        NamespaceTable namespaceTable = new NamespaceTable();
        for (String namespaceUri : namespaceUris) {
            namespaceTable.addUri(namespaceUri);
        }
        return namespaceTable;
    });
}

Example 5 with UaResponseMessage

use of org.eclipse.milo.opcua.stack.core.serialization.UaResponseMessage in project milo by eclipse.

the class OpcUaClient method maybeHandleServiceFault.

private void maybeHandleServiceFault(UaResponseMessage response, Throwable ex) {
    if (faultListeners.isEmpty())
        return;
    if (ex != null) {
        if (ex instanceof UaServiceFaultException) {
            UaServiceFaultException faultException = (UaServiceFaultException) ex;
            ServiceFault serviceFault = faultException.getServiceFault();
            logger.debug("Notifying {} ServiceFaultListeners", faultListeners.size());
            faultNotificationQueue.submit(() -> faultListeners.forEach(h -> h.onServiceFault(serviceFault)));
        } else if (ex.getCause() instanceof UaServiceFaultException) {
            UaServiceFaultException faultException = (UaServiceFaultException) ex.getCause();
            ServiceFault serviceFault = faultException.getServiceFault();
            logger.debug("Notifying {} ServiceFaultListeners", faultListeners.size());
            faultNotificationQueue.submit(() -> faultListeners.forEach(h -> h.onServiceFault(serviceFault)));
        }
    }
}