public void ResendData(bool updateValues, uint queueSize)
{
var serverTestServices = new ServerTestServices(m_server);
// save old security context, test fixture can only work with one session
var securityContext = SecureChannelContext.Current;
try
{
var namespaceUris = m_server.CurrentInstance.NamespaceUris;
NodeIdCollection testSetCollection = CommonTestWorkers.NodeIdTestSetStatic.Select(n => ExpandedNodeId.ToNodeId(n, namespaceUris)).ToArray();
testSetCollection.AddRange(CommonTestWorkers.NodeIdTestDataSetStatic.Select(n => ExpandedNodeId.ToNodeId(n, namespaceUris)).ToArray());
NodeId[] testSet = testSetCollection.ToArray();
//Re-use method CreateSubscriptionForTransfer to create a subscription
var subscriptionIds = CommonTestWorkers.CreateSubscriptionForTransfer(serverTestServices, m_requestHeader, testSet, queueSize, 0);
RequestHeader resendDataRequestHeader = m_server.CreateAndActivateSession("ResendData");
var resendDataSecurityContext = SecureChannelContext.Current;
SecureChannelContext.Current = securityContext;
// After the ResendData call there will be data to publish again
var nodesToCall = ResendDataCall(StatusCodes.Good, subscriptionIds);
Thread.Sleep(1000);
// Make sure publish queue becomes empty by consuming it
Assert.AreEqual(1, subscriptionIds.Count);
// Issue a Publish request
m_requestHeader.Timestamp = DateTime.UtcNow;
var acknoledgements = new SubscriptionAcknowledgementCollection();
var response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out uint publishedId, out UInt32Collection availableSequenceNumbers,
out bool moreNotifications, out NotificationMessage notificationMessage,
out StatusCodeCollection _, out DiagnosticInfoCollection diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(1, notificationMessage.NotificationData.Count);
// Validate nothing to publish a few times
const int timesToCallPublish = 3;
for (int i = 0; i < timesToCallPublish; i++)
{
m_requestHeader.Timestamp = DateTime.UtcNow;
response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out publishedId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage,
out StatusCodeCollection _, out diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(0, notificationMessage.NotificationData.Count);
}
// Validate ResendData method call returns error from different session contexts
// call ResendData method from different session context
SecureChannelContext.Current = resendDataSecurityContext;
resendDataRequestHeader.Timestamp = DateTime.UtcNow;
response = m_server.Call(resendDataRequestHeader,
nodesToCall,
out var results,
out diagnosticInfos);
SecureChannelContext.Current = securityContext;
Assert.AreEqual(StatusCodes.BadUserAccessDenied, results[0].StatusCode.Code);
ServerFixtureUtils.ValidateResponse(response);
// Still nothing to publish since previous ResendData call did not execute
m_requestHeader.Timestamp = DateTime.UtcNow;
response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out publishedId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage,
out StatusCodeCollection _, out diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(0, notificationMessage.NotificationData.Count);
if (updateValues)
{
UpdateValues(testSet);
// fill queues, but only a single value per resend publish shall be returned
for (int i = 1; i < queueSize; i++)
{
UpdateValues(testSet);
}
}
// call ResendData method from the same session context
ResendDataCall(StatusCodes.Good, subscriptionIds);
// Data should be available for publishing now
m_requestHeader.Timestamp = DateTime.UtcNow;
response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out publishedId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage,
out StatusCodeCollection _, out diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(1, notificationMessage.NotificationData.Count);
var items = notificationMessage.NotificationData.FirstOrDefault();
Assert.IsTrue(items.Body is Opc.Ua.DataChangeNotification);
var monitoredItemsCollection = ((Opc.Ua.DataChangeNotification)items.Body).MonitoredItems;
Assert.AreEqual(testSet.Length, monitoredItemsCollection.Count);
Thread.Sleep(1000);
if (updateValues && queueSize > 1)
{
// remaining queue Data should be sent in this publish
m_requestHeader.Timestamp = DateTime.UtcNow;
response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out publishedId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage,
out StatusCodeCollection _, out diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(1, notificationMessage.NotificationData.Count);
items = notificationMessage.NotificationData.FirstOrDefault();
Assert.IsTrue(items.Body is Opc.Ua.DataChangeNotification);
monitoredItemsCollection = ((Opc.Ua.DataChangeNotification)items.Body).MonitoredItems;
Assert.AreEqual(testSet.Length * (queueSize - 1), monitoredItemsCollection.Count, testSet.Length);
}
// Call ResendData method with invalid subscription Id
ResendDataCall(StatusCodes.BadSubscriptionIdInvalid, new UInt32Collection()
{
subscriptionIds.Last() + 20
});
// Nothing to publish since previous ResendData call did not execute
m_requestHeader.Timestamp = DateTime.UtcNow;
response = serverTestServices.Publish(m_requestHeader, acknoledgements,
out publishedId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage,
out StatusCodeCollection _, out diagnosticInfos);
Assert.AreEqual(StatusCodes.Good, response.ServiceResult.Code);
ServerFixtureUtils.ValidateResponse(response);
ServerFixtureUtils.ValidateDiagnosticInfos(diagnosticInfos, acknoledgements);
Assert.AreEqual(subscriptionIds[0], publishedId);
Assert.AreEqual(0, notificationMessage.NotificationData.Count);
resendDataRequestHeader.Timestamp = DateTime.UtcNow;
SecureChannelContext.Current = resendDataSecurityContext;
m_server.CloseSession(resendDataRequestHeader);
}
finally
{
//restore security context, that close connection can work
SecureChannelContext.Current = securityContext;
}
}