public void WriteDict(Dictionary <string, ushort> valueDict)
{
using (var session = Session.Create(_config, new ConfiguredEndpoint(null, _endpointDesc,
EndpointConfiguration.Create(_config)), false, "", 60000, null, null).GetAwaiter().GetResult())
{
StatusCodeCollection results = null;
DiagnosticInfoCollection infos = null;
session.Write(null,
GetWriteValueCollection(valueDict),
out results, out infos);
if (results.Any(sc => StatusCode.IsNotGood(sc)))
{
var messageBuilder = new StringBuilder();
for (int i = 0; i < results.Count; i++)
{
if (StatusCode.IsNotGood(results[i]))
{
messageBuilder.AppendLine($"{valueDict.ElementAt(i).Key}: {StatusCodes.GetBrowseName(results[i].Code)}");
}
}
throw new KepServerWriteException(messageBuilder.ToString());
}
}
}
private void UpdateBTN_Click(object sender, EventArgs e)
{
try {
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = m_variableId;
nodeToWrite.AttributeId = Attributes.Value;
nodeToWrite.Value = new DataValue();
nodeToWrite.Value.WrappedValue = GetValue();
WriteValueCollection nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(nodeToWrite);
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check for error.
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
} catch (Exception exception) {
ClientUtils.HandleException(this.Text, exception);
}
}
// Original Features from the .NET Sample Client implementation, not needed for this OPC UA Client
/*
* public Tree GetRootNode(LabelViewModel textInfo)
* {
* ReferenceDescriptionCollection references;
* Byte[] continuationPoint;
* Tree browserTree = new Tree();
*
* try
* {
* session.Browse(
* null,
* null,
* ObjectIds.ObjectsFolder,
* 0u,
* BrowseDirection.Forward,
* ReferenceTypeIds.HierarchicalReferences,
* true,
* 0,
* out continuationPoint,
* out references);
*
* browserTree.currentView.Add(new ListNode { id = ObjectIds.ObjectsFolder.ToString(), NodeName = "Root", children = (references?.Count != 0) });
*
* return browserTree;
* }
* catch
* {
* Disconnect(session);
* return null;
* }
* }
*
* public Tree GetChildren(string node)
* {
* ReferenceDescriptionCollection references;
* Byte[] continuationPoint;
* Tree browserTree = new Tree();
*
* try
* {
* session.Browse(
* null,
* null,
* node,
* 0u,
* BrowseDirection.Forward,
* ReferenceTypeIds.HierarchicalReferences,
* true,
* 0,
* out continuationPoint,
* out references);
*
* if (references != null)
* {
* foreach (var nodeReference in references)
* {
* ReferenceDescriptionCollection childReferences = null;
* Byte[] childContinuationPoint;
*
* session.Browse(
* null,
* null,
* ExpandedNodeId.ToNodeId(nodeReference.NodeId, session.NamespaceUris),
* 0u,
* BrowseDirection.Forward,
* ReferenceTypeIds.HierarchicalReferences,
* true,
* 0,
* out childContinuationPoint,
* out childReferences);
*
* INode currentNode = null;
* try
* {
* currentNode = session.ReadNode(ExpandedNodeId.ToNodeId(nodeReference.NodeId, session.NamespaceUris));
* }
* catch (Exception)
* {
* // skip this node
* continue;
* }
*
* byte currentNodeAccessLevel = 0;
* byte currentNodeEventNotifier = 0;
* bool currentNodeExecutable = false;
*
* VariableNode variableNode = currentNode as VariableNode;
* if (variableNode != null)
* {
* currentNodeAccessLevel = variableNode.UserAccessLevel;
* currentNodeAccessLevel = (byte)((uint)currentNodeAccessLevel & ~0x2);
* }
*
* ObjectNode objectNode = currentNode as ObjectNode;
* if (objectNode != null)
* {
* currentNodeEventNotifier = objectNode.EventNotifier;
* }
*
* ViewNode viewNode = currentNode as ViewNode;
* if (viewNode != null)
* {
* currentNodeEventNotifier = viewNode.EventNotifier;
* }
*
* MethodNode methodNode = currentNode as MethodNode;
* if (methodNode != null)
* {
* currentNodeExecutable = methodNode.UserExecutable;
* }
*
* browserTree.currentView.Add(new ListNode()
* {
* id = nodeReference.NodeId.ToString(),
* NodeName = nodeReference.DisplayName.Text.ToString(),
* nodeClass = nodeReference.NodeClass.ToString(),
* accessLevel = currentNodeAccessLevel.ToString(),
* eventNotifier = currentNodeEventNotifier.ToString(),
* executable = currentNodeExecutable.ToString(),
* children = (references?.Count != 0),
* ImageUrl = (nodeReference.NodeClass.ToString() == "Variable") ? "folderOpen.jpg" : "folder.jpg"
* });
* if (browserTree.currentView[0].ImageUrl == null)
* {
* browserTree.currentView[0].ImageUrl = "";
* }
* }
* if (browserTree.currentView.Count == 0)
* {
* INode currentNode = session.ReadNode(new NodeId(node));
*
* byte currentNodeAccessLevel = 0;
* byte currentNodeEventNotifier = 0;
* bool currentNodeExecutable = false;
*
* VariableNode variableNode = currentNode as VariableNode;
*
* if (variableNode != null)
* {
* currentNodeAccessLevel = variableNode.UserAccessLevel;
* currentNodeAccessLevel = (byte)((uint)currentNodeAccessLevel & ~0x2);
* }
*
* ObjectNode objectNode = currentNode as ObjectNode;
*
* if (objectNode != null)
* {
* currentNodeEventNotifier = objectNode.EventNotifier;
* }
*
* ViewNode viewNode = currentNode as ViewNode;
*
* if (viewNode != null)
* {
* currentNodeEventNotifier = viewNode.EventNotifier;
* }
*
* MethodNode methodNode = currentNode as MethodNode;
*
* if (methodNode != null )
* {
* currentNodeExecutable = methodNode.UserExecutable;
* }
*
* browserTree.currentView.Add(new ListNode()
* {
* id = node,
* NodeName = currentNode.DisplayName.Text.ToString(),
* nodeClass = currentNode.NodeClass.ToString(),
* accessLevel = currentNodeAccessLevel.ToString(),
* eventNotifier = currentNodeEventNotifier.ToString(),
* executable = currentNodeExecutable.ToString(),
* children = false,
* ImageUrl = null
* });
* }
* }
* return browserTree;
* }
* catch
* {
* Disconnect(session);
* return null;
* }
* } */
#endregion
#region custom VariableWrite Method
/// <summary>
/// Returns the ServiceResult from the ResponseHeader of the Variable Write Operation
/// </summary>
/// <param name="value">The int value that is to be written to the Node in the Server Namespace.</param>
/// <param name="nodeId">The NodeId of the Node where the value shall be written.</param>
public ResponseHeader VariableWrite(UInt16 value, string nodeId)
{
if (session != null)
{
if (session.Connected)
{
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
// create a new WriteValueCollection (needed to call the Write Mehtod of the session)
WriteValueCollection nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(new WriteValue
{
// NodeId of the Node to write
NodeId = NodeId.Parse(nodeId),
// We want to write the Value of the Node
AttributeId = Attributes.Value,
Value = new DataValue()
{
WrappedValue = value
}
});
// Actually write the Data. The method session.Write returns the responseHeader of the Write request response which is passed as the return value of this Method (VariableWrite)
ResponseHeader responseHeader = session.Write(null, nodesToWrite, out results, out diagnosticInfos);
return(responseHeader);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
public static void write()
{
WriteValue value = new WriteValue();
value.NodeId = Data.tags["DigitConst"].NodeId;
value.AttributeId = Attributes.Value;
value.Value.Value = 10;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(value);
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
}
private void WriteValue(Session session, NodeId variableId, DataValue value)
{
WriteValue nodeToWrite = new WriteValue {
NodeId = variableId,
AttributeId = Attributes.Value,
Value = new DataValue {
WrappedValue = value.WrappedValue
}
};
WriteValueCollection nodesToWrite = new WriteValueCollection {
nodeToWrite
};
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = session.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check for error.
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public string VariableWrite(string node, int value)
{
try
{
StatusCodeCollection values = null;
DiagnosticInfoCollection diagnosticInfos = null;
//WriteValueIdCollection nodesToRead = new WriteValueIdCollection();
WriteValueCollection nodesToWrite = new WriteValueCollection();
WriteValue valueId = new WriteValue();
valueId.NodeId = new NodeId(node);
valueId.AttributeId = Attributes.Value;
valueId.IndexRange = null;
valueId.Value = new DataValue(value);
nodesToWrite.Add(valueId);
ResponseHeader response = session.Write(null, nodesToWrite, out values, out diagnosticInfos);
/*string value = "";
* if (values[0].Value != null)
* {
* var rawValue = values[0].WrappedValue.ToString();
* value = rawValue.Replace("|", "\r\n").Replace("{", "").Replace("}", "");
* }*/
return(null);
}
catch
{
return(null);
}
}
public void DeleteReferencesAsync()
{
var referencesToDelete = new DeleteReferencesItemCollection();
var deleteReferencesItem = new DeleteReferencesItem()
{
};
for (int ii = 0; ii < kOperationLimit * 2; ii++)
{
referencesToDelete.Add(deleteReferencesItem);
}
var requestHeader = new RequestHeader();
var sre = Assert.ThrowsAsync <ServiceResultException>(async() => {
var response = await Session.DeleteReferencesAsync(requestHeader,
referencesToDelete, CancellationToken.None).ConfigureAwait(false);
StatusCodeCollection results = response.Results;
DiagnosticInfoCollection diagnosticInfos = response.DiagnosticInfos;
Assert.NotNull(response.ResponseHeader);
Assert.AreEqual(referencesToDelete.Count, results.Count);
Assert.AreEqual(diagnosticInfos.Count, diagnosticInfos.Count);
});
Assert.AreEqual(StatusCodes.BadServiceUnsupported, sre.StatusCode);
}
/// <summary>
/// Creates a collection of status codes and diagnostics from a set of errors.
/// </summary>
public static StatusCodeCollection CreateStatusCodeCollection(
OperationContext context,
IList <ServiceResult> errors,
out DiagnosticInfoCollection diagnosticInfos)
{
diagnosticInfos = null;
bool noErrors = true;
StatusCodeCollection results = new StatusCodeCollection(errors.Count);
foreach (ServiceResult error in errors)
{
if (ServiceResult.IsBad(error))
{
results.Add(error.Code);
noErrors = false;
}
else
{
results.Add(StatusCodes.Good);
}
}
// only generate diagnostics if errors exist.
if (noErrors)
{
diagnosticInfos = CreateDiagnosticInfoCollection(context, errors);
}
return(results);
}
public static void Execute(IEnumerable <DataItem> OPCItems, Session session)
{
log.Info("Writing DataItem Values.");
try
{
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
WriteValueCollection valuesToWrite = CreateWriteValueCollection(OPCItems);
session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw new ServiceResultException(results[0]);
}
}
catch (Exception exception)
{
log.Error("OPC Error Writing Value", exception);
}
}
public ResponseHeader CoreWrite(WriteValueCollection values, out StatusCodeCollection results, out DiagnosticInfoCollection diagnosticInfos)
{
return(session.Write(
null,
values,
out results,
out diagnosticInfos));
}
public ResponseHeader DeleteSubscriptions(
RequestHeader requestHeader,
UInt32Collection subscriptionIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
return(m_session.DeleteSubscriptions(requestHeader, subscriptionIds, out results, out diagnosticInfos));
}
public ResponseHeader SetPublishingMode(
RequestHeader requestHeader,
bool publishingEnabled,
UInt32Collection subscriptionIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
return(m_session.SetPublishingMode(requestHeader, publishingEnabled, subscriptionIds, out results, out diagnosticInfos));
}
/// <summary>
/// Reads the attribute values from the server.
/// </summary>
/// <param name="valuesToWrite">The values to write.</param>
/// <returns>The results.</returns>
public int[] Write(WriteValueCollection valuesToWrite)
{
TraceState("Write", valuesToWrite.Count);
// check for valid session.
Session session = m_session;
if (session == null)
{
throw ComUtils.CreateComException(ResultIds.E_FAIL);
}
int masterError = ResultIds.E_FAIL;
int[] errors = new int[valuesToWrite.Count];
if (session != null)
{
try
{
// write the values.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
// convert the response.
for (int ii = 0; ii < results.Count; ii++)
{
errors[ii] = ComDaProxy.MapWriteStatusToErrorCode(valuesToWrite[ii].Value, results[ii]);
}
// return the results.
return(errors);
}
catch (Exception e)
{
masterError = ComUtils.GetErrorCode(e, ResultIds.E_FAIL);
}
}
// report any unexpected errors.
for (int ii = 0; ii < errors.Length; ii++)
{
errors[ii] = masterError;
}
return(errors);
}
/// <summary>
/// Set monitoring mode of items.
/// </summary>
public async Task <List <ServiceResult> > SetMonitoringModeAsync(
MonitoringMode monitoringMode,
IList <MonitoredItem> monitoredItems,
CancellationToken ct = default)
{
if (monitoredItems == null)
{
throw new ArgumentNullException(nameof(monitoredItems));
}
VerifySubscriptionState(true);
if (monitoredItems.Count == 0)
{
return(null);
}
// get list of items to update.
UInt32Collection monitoredItemIds = new UInt32Collection();
foreach (MonitoredItem monitoredItem in monitoredItems)
{
monitoredItemIds.Add(monitoredItem.Status.Id);
}
var response = await m_session.SetMonitoringModeAsync(
null,
m_id,
monitoringMode,
monitoredItemIds,
ct).ConfigureAwait(false);
StatusCodeCollection results = response.Results;
ClientBase.ValidateResponse(results, monitoredItemIds);
ClientBase.ValidateDiagnosticInfos(response.DiagnosticInfos, monitoredItemIds);
// update results.
List <ServiceResult> errors = new List <ServiceResult>();
bool noErrors = UpdateMonitoringMode(
monitoredItems, errors, results,
response.DiagnosticInfos, response.ResponseHeader,
monitoringMode);
// raise state changed event.
m_changeMask |= SubscriptionChangeMask.ItemsModified;
ChangesCompleted();
// return null list if no errors occurred.
if (noErrors)
{
return(null);
}
return(errors);
}
public bool WriteNodes(List <string> NodeIds, List <string> Values)
{
var typeNodeIds = ReadNodes(NodeIds, Attributes.DataType);
for (int i = 0; i < typeNodeIds.Count; i++)
{
if (!DataValue.IsGood(typeNodeIds[i]))
{
throw new ApplicationException("数据类型获取失败：" + NodeIds[i]);
}
}
var builtinTypes = typeNodeIds.Select(typeNodeId => Opc.Ua.TypeInfo.GetBuiltInType(typeNodeId.Value as NodeId, m_session.TypeTree)).ToList();
var nodesToWrite = new WriteValueCollection();
for (int i = 0; i < NodeIds.Count; i++)
{
nodesToWrite.Add(new WriteValue()
{
NodeId = NodeIds[i],
AttributeId = Attributes.Value,
Value = new DataValue
{
Value = new Variant(Opc.Ua.TypeInfo.Cast(Values[i], builtinTypes[i])),
StatusCode = StatusCodes.Good,
ServerTimestamp = DateTime.MinValue,
SourceTimestamp = DateTime.MinValue
}
});
}
StatusCodeCollection results = new StatusCodeCollection();
DiagnosticInfoCollection diagnosticInfos = new DiagnosticInfoCollection();
m_session.Write(
null,
nodesToWrite,
out results,
out diagnosticInfos);
//ClientBase.ValidateResponse(results, nodesToWrite);
//ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
results.ForEach(x =>
{
if (StatusCode.IsBad(x))
{
throw new ServiceResultException(x);
}
});
return(true);
}
/// <summary>
/// Decodes a StatusCollection object and based on the status returns a Result object
/// </summary>
/// <param name="statusCodes"></param>
/// <returns></returns>
private Result GetResultFromStatus(StatusCodeCollection statusCodes)
{
if (statusCodes == null || statusCodes.Count == 0)
{
return(new Result(false, new Exception("Could not write tag value !")));
}
bool isBad = false;
isBad = statusCodes.Any(s => StatusCode.IsBad(s));
return(new Result(!isBad));
}
static async Task HandleSettingChanged(TwinCollection desiredProperties, object userContext)
{
string setting = "SetpointHeating";
if (desiredProperties.Contains(setting))
{
BuildAcknowledgement(desiredProperties, setting);
setpointHeating = (int)desiredProperties[setting]["value"];
greenMessage($"Heating Setpoint updated: {setpointHeating}");
// Write to OPC UA, Setpoint Temperature node
try
{
WriteValue nodeToWrite = new WriteValue()
{
NodeId = SetpointHeatingNode,
AttributeId = Attributes.Value,
Value = new DataValue(setpointHeating)
};
WriteValueCollection nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(nodeToWrite);
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
// Write to setpoint temperature node
ResponseHeader responseHeader = session.Write(null, nodesToWrite, out results, out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check for error.
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
// If no error, send the updated setpoint temperature to IoT Central.
else if (StatusCode.IsGood(results[0]))
{
Console.WriteLine(session.ReadValue(SetpointHeatingNode).Value);
await s_deviceClient.UpdateReportedPropertiesAsync(reportedProperties);
// Send an informational event to IoT Central
eventInfoText = "Setpoint Heating has been updated: " + setpointHeating.ToString() + " °C";
}
}
catch (Exception ex)
{
Console.WriteLine("Exception message: " + ex.Message);
}
}
}
/// <summary>
/// Creates a place holder in the lists for the results.
/// </summary>
public static void CreateSuccess(
StatusCodeCollection results,
DiagnosticInfoCollection diagnosticInfos,
OperationContext context)
{
results.Add(StatusCodes.Good);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
}
public ResponseHeader Publish(
RequestHeader requestHeader,
SubscriptionAcknowledgementCollection subscriptionAcknowledgements,
out uint subscriptionId,
out UInt32Collection availableSequenceNumbers,
out bool moreNotifications,
out NotificationMessage notificationMessage,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
return(m_session.Publish(requestHeader, subscriptionAcknowledgements, out subscriptionId, out availableSequenceNumbers,
out moreNotifications, out notificationMessage, out results, out diagnosticInfos));
}
async static Task Run()
{
UserIdentity userIdentity = new UserIdentity(new AnonymousIdentityToken());
ApplicationInstance application = new ApplicationInstance
{
ApplicationName = "UA Core Complex Client",
ApplicationType = ApplicationType.Client,
ConfigSectionName = "Opc.Ua.ComplexClient"
};
ApplicationConfiguration config = await application.LoadApplicationConfiguration("OpcConfig.xml", false).ConfigureAwait(false);
var endpointURL = GetEnvVar("OPC_SERVER", "opc.tcp://localhost:62541/Quickstarts/ReferenceServer");
var selectedEndpoint = CoreClientUtils.SelectEndpoint(endpointURL, false && !true, 15000);
var m_session = await CreateSession(config, selectedEndpoint, userIdentity).ConfigureAwait(false);
WriteValueCollection nodesToWrite = new WriteValueCollection();
// Int32 Node - Objects\CTT\Scalar\Scalar_Static\Int32
WriteValue intWriteVal = new WriteValue();
intWriteVal.NodeId = new NodeId("ns=2;s=Tag_String");
intWriteVal.AttributeId = Attributes.Value;
intWriteVal.Value = new DataValue();
intWriteVal.Value.Value = "Pierre-" + DateTime.Now.ToLongTimeString();
nodesToWrite.Add(intWriteVal);
// Write the node attributes
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos;
Console.WriteLine("Writing nodes...");
// Call Write Service
m_session.Write(null,
nodesToWrite,
out results,
out diagnosticInfos);
// Validate the response
ClientBase.ValidateResponse(results, nodesToWrite);
// Display the results.
Console.WriteLine("Write Results :");
foreach (StatusCode writeResult in results)
{
Console.WriteLine(" {0}", writeResult);
}
}
/// <summary>
/// 注册服务(每个在本机启动的服务端都会主动调用此方法进行注册)
/// </summary>
/// <param name="requestHeader"></param>
/// <param name="server"></param>
/// <param name="discoveryConfiguration"></param>
/// <param name="configurationResults"></param>
/// <param name="diagnosticInfos"></param>
/// <returns></returns>
public virtual ResponseHeader RegisterServer2(
RequestHeader requestHeader,
RegisteredServer server,
ExtensionObjectCollection discoveryConfiguration,
out StatusCodeCollection configurationResults,
out DiagnosticInfoCollection diagnosticInfos)
{
configurationResults = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
try
{
Console.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + ":服务注册:" + server.DiscoveryUrls.FirstOrDefault());
RegisteredServerTable model = _serverTable.Where(d => d.ServerUri == server.ServerUri).FirstOrDefault();
if (model != null)
{
model.LastRegistered = DateTime.Now;
}
else
{
model = new RegisteredServerTable()
{
DiscoveryUrls = server.DiscoveryUrls,
GatewayServerUri = server.GatewayServerUri,
IsOnline = server.IsOnline,
LastRegistered = DateTime.Now,
ProductUri = server.ProductUri,
SemaphoreFilePath = server.SemaphoreFilePath,
ServerNames = server.ServerNames,
ServerType = server.ServerType,
ServerUri = server.ServerUri
};
_serverTable.Add(model);
}
configurationResults = new StatusCodeCollection()
{
StatusCodes.Good
};
return(CreateResponse(requestHeader, StatusCodes.Good));
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("客户端调用RegisterServer2()注册服务时触发异常:" + ex.Message);
Console.ResetColor();
}
return(CreateResponse(requestHeader, StatusCodes.BadUnexpectedError));
}
/// <summary>
/// Writes the values.
/// </summary>
private void WriteValues()
{
try
{
// Prepare call to ClientAPI.
NodeIdCollection nodesToWrite = new NodeIdCollection(this.listView.Items.Count);
DataValueCollection values = new DataValueCollection(this.listView.Items.Count);
StatusCodeCollection results = null;
int i = 0;
foreach (ListViewItem item in this.listView.Items)
{
// Values to write.
String sValue = (String)item.SubItems[0].Text;
// Leave current value if write value is empty.
if (sValue.Length == 0)
{
i++;
continue;
}
Variant variant = new Variant(Convert.ChangeType(sValue, m_currentValues[i].Value.GetType()));
DataValue value = new DataValue(variant);
values.Add(value);
// NodeIds.
String sNodeId = item.SubItems[1].Text;
NodeId nodeId = new NodeId(sNodeId);
nodesToWrite.Add(nodeId);
i++;
}
// Call to ClientAPI.
m_Server.WriteValues(
nodesToWrite,
values,
out results);
// Update status label.
toolStripStatusLabel.Text = "Writing values succeeded.";
}
catch (Exception e)
{
// Update status label.
toolStripStatusLabel.Text = "An exception occured while writing values: "
+ e.Message;
}
}
public bool WriteValue(WriteValuePayload payload)
{
// credits: https://github.com/OPCFoundation/UA-.NETStandard/issues/316
if (!payload.IsValid)
{
return(false);
}
try
{
var nodeToWrite = new WriteValue();
var expandedNodeId = ExpandedNodeId.Parse(payload.ExtendedNodeId);
nodeToWrite.NodeId = GetNodeIdFromExpandedNodeId(expandedNodeId);
nodeToWrite.AttributeId = Attributes.Value;
nodeToWrite.Value.WrappedValue = "actual data";
var nodesToWrite = new WriteValueCollection();
nodesToWrite.Add(nodeToWrite);
// read the attribute
StatusCodeCollection results = null;
DiagnosticInfoCollection diagInfos = null;
var responseHeader = OpcUaClientSession.Write(
null,
nodesToWrite,
out results,
out diagInfos
);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagInfos, nodesToWrite);
// check for error
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0,
diagInfos, responseHeader.StringTable);
}
Trace($"Value written to {payload.ExtendedNodeId}");
}
catch (Exception ex)
{
Trace($"An error occured when writing a value: {ex.Message}");
return(false);
}
return(true);
}
/// <summary>
/// Writes the value
/// </summary>
private Variant WriteValue(Session session, NodeId nodeId)
{
// cast the value to a string.
object value = TypeInfo.Cast(ValueTB.Text, TypeInfo.Scalars.String, m_sourceType.BuiltInType);
// build list of attributes to read.
WriteValueCollection nodesToWrite = new WriteValueCollection();
WriteValue nodeToWrite = new WriteValue();
nodeToWrite.NodeId = nodeId;
nodeToWrite.AttributeId = Attributes.Value;
// using the WrappedValue instead of the Value property because we know the TypeInfo.
// this makes the assignment more efficient by avoiding reflection to determine type.
nodeToWrite.Value.WrappedValue = new Variant(value, m_sourceType);
nodesToWrite.Add(nodeToWrite);
// override the diagnostic masks (other parameters are set to defaults).
RequestHeader requestHeader = new RequestHeader();
requestHeader.ReturnDiagnostics = (uint)DiagnosticsMasks.All;
// read the attributes.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = session.Write(
requestHeader,
nodesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToWrite);
// check status.
if (StatusCode.IsBad(results[0]))
{
// embed the diagnostic information in a exception.
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
// return valid value.
return(nodeToWrite.Value.WrappedValue);
}
/// <summary>
/// Handles a write request.
/// </summary>
public List <ServiceResult> Write(List <WriteRequest> requests)
{
if (m_session == null)
{
throw new ServiceResultException(StatusCodes.BadCommunicationError);
}
WriteValueCollection valuesToWrite = new WriteValueCollection();
for (int ii = 0; ii < requests.Count; ii++)
{
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = ExpandedNodeId.ToNodeId(requests[ii].RemoteId, m_session.NamespaceUris);
valueToWrite.AttributeId = requests[ii].WriteValue.AttributeId;
valueToWrite.IndexRange = requests[ii].WriteValue.IndexRange;
valueToWrite.Value = requests[ii].WriteValue.Value;
valuesToWrite.Add(valueToWrite);
}
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
Session.ValidateResponse(results, valuesToWrite);
Session.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
List <ServiceResult> errors = new List <ServiceResult>();
for (int ii = 0; ii < requests.Count; ii++)
{
if (results[ii] != StatusCodes.Good)
{
errors.Add(new ServiceResult(results[ii], ii, diagnosticInfos, responseHeader.StringTable));
}
else
{
errors.Add(null);
}
}
return(errors);
}
private void WriteValuePlus(String valueSign)
{
try
{
// 声明需要写入的数据
NodeIdCollection nodesToWrite = new NodeIdCollection(1);
DataValueCollection values = new DataValueCollection(1);
StatusCodeCollection results = null;
Variant variant = new Variant();
DataValue value = new DataValue();
String sNodeId = "";
if (valueSign.Equals("X"))
{
String sValue = (MainWindow.myMotorPos.XValue + 1).ToString();
//variant = new Variant(MainWindow.myMotorPos.YValue + 1);
variant = new Variant(Convert.ChangeType(sValue, m_currentXValue.Value.GetType()));
value = new DataValue(variant);
values.Add(value);
sNodeId = "ns=2;s=Channel1.Device1.Tag1";
}
else if (valueSign.Equals("Y"))
{
//variant = new Variant(MainWindow.myMotorPos.YValue + 1);
String sValue = (MainWindow.myMotorPos.YValue + 1).ToString();
Type testType = m_currentYValue.Value.GetType();
variant = new Variant(Convert.ChangeType(sValue, m_currentYValue.Value.GetType()));
value = new DataValue(variant);
values.Add(value);
sNodeId = "ns=2;s=Channel1.Device1.Tag2";
}
NodeId nodeId = new NodeId(sNodeId);
nodesToWrite.Add(nodeId);
// 调用API方法
m_Server.WriteValues(
nodesToWrite,
values,
out results);
}
catch (Exception ex)
{
MessageBox.Show("写入数据失败！错误原因：" + ex, "错误", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnWrite_Click(object sender, EventArgs e)
{
string nodeID = txtNodeID.Text.Trim();
string writevalue = txtWriteValue.Text.Trim();
if (string.IsNullOrEmpty(nodeID))
{
MessageBox.Show("请输入NodeID");
return;
}
if (string.IsNullOrEmpty(writevalue))
{
MessageBox.Show("请输入写入的值");
return;
}
NodeIdCollection nic = new NodeIdCollection();
NodeId nodeid = new NodeId(nodeID);
nic.Add(nodeid);
DataValueCollection valueC;
server.ReadValues(
nic,
out valueC);
Variant variant = new Variant(Convert.ChangeType(writevalue, valueC[0].Value.GetType()));
DataValueCollection values = new DataValueCollection();
DataValue value = new DataValue(variant);
values.Add(value);
StatusCodeCollection results = null;
server.WriteValues(
nic,
values,
out results);
txtReadValue.Text = writevalue;
txtResult.Text = "write success";
}
/// <summary>
/// Fills in the diagnostic information after an error.
/// </summary>
public static bool CreateError(
uint code,
StatusCodeCollection results,
DiagnosticInfoCollection diagnosticInfos,
OperationContext context)
{
ServiceResult error = new ServiceResult(code);
results.Add(error.Code);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(new DiagnosticInfo(error, context.DiagnosticsMask, false, context.StringTable));
return true;
}
return false;
}
private void ChangeLogFileBTN_Click(object sender, EventArgs e)
{
if (m_session == null)
{
return;
}
try
{
// want to get error text for this call.
m_session.ReturnDiagnostics = DiagnosticsMasks.All;
WriteValue value = new WriteValue();
value.NodeId = m_logFileNodeId;
value.AttributeId = Attributes.Value;
value.Value.Value = LogFilePathTB.Text;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(value);
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
ResponseHeader responseHeader = m_session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw ServiceResultException.Create(results[0], 0, diagnosticInfos, responseHeader.StringTable);
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
finally
{
m_session.ReturnDiagnostics = DiagnosticsMasks.None;
}
}
public void WriteTag(Tag tag, object value)
{
//non è ancora stata effettuata la lettura della tag
if (tag.Type == null)
{
return;
throw new NotImplementedException();
}
try
{
WriteValue valueToWrite = new WriteValue();
valueToWrite.NodeId = tag.NodeId;
valueToWrite.AttributeId = 13;
valueToWrite.Value.Value = ChangeType(tag, value);
valueToWrite.Value.StatusCode = StatusCodes.Good;
valueToWrite.Value.ServerTimestamp = DateTime.MinValue;
valueToWrite.Value.SourceTimestamp = DateTime.MinValue;
WriteValueCollection valuesToWrite = new WriteValueCollection();
valuesToWrite.Add(valueToWrite);
// write current value.
StatusCodeCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
session.Write(
null,
valuesToWrite,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, valuesToWrite);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToWrite);
if (StatusCode.IsBad(results[0]))
{
throw new ServiceResultException(results[0]);
}
}
catch (Exception exception)
{
throw new NotImplementedException();
}
}
/// <summary>
/// Deletes the monitored items in a subscription.
/// </summary>
private void DeleteMonitoredItems(
OperationContext context,
UInt32Collection monitoredItemIds,
bool doNotCheckSession,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (monitoredItemIds == null) throw new ArgumentNullException("monitoredItemIds");
int count = monitoredItemIds.Count;
bool diagnosticsExist = false;
results = new StatusCodeCollection(count);
diagnosticInfos = null;
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos = new DiagnosticInfoCollection(count);
}
// build list of items to modify.
List<IMonitoredItem> monitoredItems = new List<IMonitoredItem>(count);
List<ServiceResult> errors = new List<ServiceResult>(count);
double[] originalSamplingIntervals = new double[count];
MonitoringMode[] originalMonitoringModes = new MonitoringMode[count];
bool validItems = false;
lock (m_lock)
{
// check session.
if (!doNotCheckSession)
{
VerifySession(context);
}
// clear lifetime counter.
ResetLifetimeCount();
for (int ii = 0; ii < count; ii++)
{
LinkedListNode<IMonitoredItem> node = null;
if (!m_monitoredItems.TryGetValue(monitoredItemIds[ii], out node))
{
monitoredItems.Add(null);
errors.Add(StatusCodes.BadMonitoredItemIdInvalid);
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, errors[ii]);
diagnosticsExist = true;
diagnosticInfos.Add(diagnosticInfo);
}
continue;
}
IMonitoredItem monitoredItem = node.Value;
monitoredItems.Add(monitoredItem);
// remove the item from the internal lists.
m_monitoredItems.Remove(monitoredItemIds[ii]);
m_itemsToTrigger.Remove(monitoredItemIds[ii]);
//remove the links towards the deleted monitored item
List<ITriggeredMonitoredItem> triggeredItems = null;
foreach (KeyValuePair<uint, List<ITriggeredMonitoredItem>> item in m_itemsToTrigger)
{
triggeredItems = item.Value;
for (int jj = 0; jj < triggeredItems.Count; jj++)
{
if (triggeredItems[jj].Id == monitoredItemIds[ii])
{
triggeredItems.RemoveAt(jj);
break;
}
}
}
if (node.List != null)
{
node.List.Remove(node);
}
originalSamplingIntervals[ii] = monitoredItem.SamplingInterval;
originalMonitoringModes[ii] = monitoredItem.MonitoringMode;
errors.Add(null);
validItems = true;
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
}
}
// update items.
if (validItems)
{
m_server.NodeManager.DeleteMonitoredItems(
context,
m_id,
monitoredItems,
errors);
}
lock (m_lock)
{
// update diagnostics.
for (int ii = 0; ii < errors.Count; ii++)
{
ServiceResult error = errors[ii];
if (error == null)
{
results.Add(StatusCodes.Good);
}
else
{
results.Add(error.StatusCode);
}
// update diagnostics.
if (ServiceResult.IsGood(error))
{
RemoveItemToSamplingInterval(originalSamplingIntervals[ii], originalMonitoringModes[ii]);
}
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
if (error != null && error.Code != StatusCodes.Good)
{
diagnosticInfos[ii] = ServerUtils.CreateDiagnosticInfo(m_server, context, error);
diagnosticsExist = true;
}
}
}
// clear diagnostics if not required.
if (!diagnosticsExist && diagnosticInfos != null)
{
diagnosticInfos.Clear();
}
// update diagnostics.
lock (m_diagnostics)
{
m_diagnostics.MonitoredItemCount = 0;
m_diagnostics.DisabledMonitoredItemCount = 0;
}
// TraceState("ITEMS DELETED");
}
}
/// <summary>
/// Updates the triggers for the monitored item.
/// </summary>
public void SetTriggering(
OperationContext context,
uint triggeringItemId,
UInt32Collection linksToAdd,
UInt32Collection linksToRemove,
out StatusCodeCollection addResults,
out DiagnosticInfoCollection addDiagnosticInfos,
out StatusCodeCollection removeResults,
out DiagnosticInfoCollection removeDiagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (linksToAdd == null) throw new ArgumentNullException("linksToAdd");
if (linksToRemove == null) throw new ArgumentNullException("linksToRemove");
// allocate results.
bool diagnosticsExist = false;
addResults = new StatusCodeCollection();
addDiagnosticInfos = null;
removeResults = new StatusCodeCollection();
removeDiagnosticInfos = null;
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
addDiagnosticInfos = new DiagnosticInfoCollection();
removeDiagnosticInfos = new DiagnosticInfoCollection();
}
// build list of items to modify.
lock (m_lock)
{
// check session.
VerifySession(context);
// clear lifetime counter.
ResetLifetimeCount();
// look up triggering item.
LinkedListNode<IMonitoredItem> triggerNode = null;
if (!m_monitoredItems.TryGetValue(triggeringItemId, out triggerNode))
{
throw new ServiceResultException(StatusCodes.BadMonitoredItemIdInvalid);
}
// lookup existing list.
List<ITriggeredMonitoredItem> triggeredItems = null;
if (!m_itemsToTrigger.TryGetValue(triggeringItemId, out triggeredItems))
{
m_itemsToTrigger[triggeringItemId] = triggeredItems = new List<ITriggeredMonitoredItem>();
}
// remove old links.
for (int ii = 0; ii < linksToRemove.Count; ii++)
{
removeResults.Add(StatusCodes.Good);
bool found = false;
for (int jj = 0; jj < triggeredItems.Count; jj++)
{
if (triggeredItems[jj].Id == linksToRemove[ii])
{
found = true;
triggeredItems.RemoveAt(jj);
break;
}
}
if (!found)
{
removeResults[ii] = StatusCodes.BadMonitoredItemIdInvalid;
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, removeResults[ii]);
diagnosticsExist = true;
removeDiagnosticInfos.Add(diagnosticInfo);
}
continue;
}
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
removeDiagnosticInfos.Add(null);
}
}
// add new links.
for (int ii = 0; ii < linksToAdd.Count; ii++)
{
addResults.Add(StatusCodes.Good);
LinkedListNode<IMonitoredItem> node = null;
if (!m_monitoredItems.TryGetValue(linksToAdd[ii], out node))
{
addResults[ii] = StatusCodes.BadMonitoredItemIdInvalid;
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, addResults[ii]);
diagnosticsExist = true;
addDiagnosticInfos.Add(diagnosticInfo);
}
continue;
}
// check if triggering interface is supported.
ITriggeredMonitoredItem triggeredItem = node.Value as ITriggeredMonitoredItem;
if (triggeredItem == null)
{
addResults[ii] = StatusCodes.BadNotSupported;
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, addResults[ii]);
diagnosticsExist = true;
addDiagnosticInfos.Add(diagnosticInfo);
}
continue;
}
// add value if not already in list.
bool found = false;
for (int jj = 0; jj < triggeredItems.Count; jj++)
{
if (triggeredItems[jj].Id == triggeredItem.Id)
{
found = true;
break;
}
}
if (!found)
{
triggeredItems.Add(triggeredItem);
}
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
addDiagnosticInfos.Add(null);
}
}
// remove an empty list.
if (triggeredItems.Count == 0)
{
m_itemsToTrigger.Remove(triggeringItemId);
}
// clear diagnostics if not required.
if (!diagnosticsExist)
{
if (addDiagnosticInfos != null) addDiagnosticInfos.Clear();
if (removeDiagnosticInfos != null) removeDiagnosticInfos.Clear();
}
}
}
/// <summary>
/// Invokes the Publish service.
/// </summary>
public virtual ResponseHeader Publish(
RequestHeader requestHeader,
SubscriptionAcknowledgementCollection subscriptionAcknowledgements,
out uint subscriptionId,
out UInt32Collection availableSequenceNumbers,
out bool moreNotifications,
out NotificationMessage notificationMessage,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
PublishRequest request = new PublishRequest();
PublishResponse response = null;
request.RequestHeader = requestHeader;
request.SubscriptionAcknowledgements = subscriptionAcknowledgements;
UpdateRequestHeader(request, requestHeader == null, "Publish");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (PublishResponse)genericResponse;
}
else
{
PublishResponseMessage responseMessage = InnerChannel.Publish(new PublishMessage(request));
if (responseMessage == null || responseMessage.PublishResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.PublishResponse;
ValidateResponse(response.ResponseHeader);
}
subscriptionId = response.SubscriptionId;
availableSequenceNumbers = response.AvailableSequenceNumbers;
moreNotifications = response.MoreNotifications;
notificationMessage = response.NotificationMessage;
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(request, response, "Publish");
}
return response.ResponseHeader;
}
/// <summary>
/// Invokes the DeleteReferences service.
/// </summary>
public virtual ResponseHeader DeleteReferences(
RequestHeader requestHeader,
DeleteReferencesItemCollection referencesToDelete,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the RegisterServer2 service.
/// </summary>
public virtual ResponseHeader RegisterServer2(
RequestHeader requestHeader,
RegisteredServer server,
ExtensionObjectCollection discoveryConfiguration,
out StatusCodeCollection configurationResults,
out DiagnosticInfoCollection diagnosticInfos)
{
configurationResults = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the Publish service.
/// </summary>
public virtual ResponseHeader Publish(
RequestHeader requestHeader,
SubscriptionAcknowledgementCollection subscriptionAcknowledgements,
out uint subscriptionId,
out UInt32Collection availableSequenceNumbers,
out bool moreNotifications,
out NotificationMessage notificationMessage,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
subscriptionId = 0;
availableSequenceNumbers = null;
moreNotifications = false;
notificationMessage = null;
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the Publish service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="subscriptionAcknowledgements">The list of acknowledgements for one or more Subscriptions.</param>
/// <param name="subscriptionId">The subscription identifier.</param>
/// <param name="availableSequenceNumbers">The available sequence numbers.</param>
/// <param name="moreNotifications">If set to <c>true</c> the number of Notifications that were ready to be sent could not be sent in a single response.</param>
/// <param name="notificationMessage">The NotificationMessage that contains the list of Notifications.</param>
/// <param name="results">The list of results for the acknowledgements.</param>
/// <param name="diagnosticInfos">The diagnostic information for the results.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader Publish(
RequestHeader requestHeader,
SubscriptionAcknowledgementCollection subscriptionAcknowledgements,
out uint subscriptionId,
out UInt32Collection availableSequenceNumbers,
out bool moreNotifications,
out NotificationMessage notificationMessage,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
OperationContext context = ValidateRequest(requestHeader, RequestType.Publish);
try
{
/*
// check if there is an odd delay.
if (DateTime.UtcNow > requestHeader.Timestamp.AddMilliseconds(100))
{
Utils.Trace(
"WARNING. Unexpected delay receiving Publish request. Time={0:hh:mm:ss.fff}, ReceiveTime={1:hh:mm:ss.fff}",
DateTime.UtcNow,
requestHeader.Timestamp);
}
*/
Utils.Trace("PUBLISH #{0} RECIEVED. TIME={1:hh:hh:ss.fff}", requestHeader.RequestHandle, requestHeader.Timestamp);
notificationMessage = ServerInternal.SubscriptionManager.Publish(
context,
subscriptionAcknowledgements,
null,
out subscriptionId,
out availableSequenceNumbers,
out moreNotifications,
out results,
out diagnosticInfos);
/*
if (notificationMessage != null)
{
Utils.Trace(
"PublishResponse: SubId={0} SeqNo={1}, PublishTime={2:mm:ss.fff}, Time={3:mm:ss.fff}",
subscriptionId,
notificationMessage.SequenceNumber,
notificationMessage.PublishTime,
DateTime.UtcNow);
}
*/
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
/// <summary>
/// Invokes the Write service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="nodesToWrite">The list of Nodes, Attributes, and values to write.</param>
/// <param name="results">The list of write result status codes for each write operation.</param>
/// <param name="diagnosticInfos">The diagnostic information for the results.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader Write(
RequestHeader requestHeader,
WriteValueCollection nodesToWrite,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
OperationContext context = ValidateRequest(requestHeader, RequestType.Write);
try
{
if (nodesToWrite == null || nodesToWrite.Count == 0)
{
throw new ServiceResultException(StatusCodes.BadNothingToDo);
}
m_serverInternal.NodeManager.Write(
context,
nodesToWrite,
out results,
out diagnosticInfos);
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
/// <summary>
/// Finishes an asynchronous invocation of the DeleteNodes service.
/// </summary>
public ResponseHeader EndDeleteNodes(
IAsyncResult result,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
DeleteNodesResponse response = null;
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.EndSendRequest(result);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (DeleteNodesResponse)genericResponse;
}
else
{
DeleteNodesResponseMessage responseMessage = InnerChannel.EndDeleteNodes(result);
if (responseMessage == null || responseMessage.DeleteNodesResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.DeleteNodesResponse;
ValidateResponse(response.ResponseHeader);
}
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(null, response, "DeleteNodes");
}
return response.ResponseHeader;
}
/// <summary>
/// Reads an StatusCode array from the stream.
/// </summary>
public StatusCodeCollection ReadStatusCodeArray(string fieldName)
{
int length = ReadArrayLength();
if (length == -1)
{
return null;
}
StatusCodeCollection values = new StatusCodeCollection(length);
for (int ii = 0; ii < length; ii++)
{
values.Add(ReadStatusCode(null));
}
return values;
}
/// <summary>
/// Creates a collection of status codes and diagnostics from a set of errors.
/// </summary>
public static StatusCodeCollection CreateStatusCodeCollection(
OperationContext context,
IList<ServiceResult> errors,
out DiagnosticInfoCollection diagnosticInfos)
{
diagnosticInfos = null;
bool noErrors = true;
StatusCodeCollection results = new StatusCodeCollection(errors.Count);
foreach (ServiceResult error in errors)
{
if (ServiceResult.IsBad(error))
{
results.Add(error.Code);
noErrors = false;
}
else
{
results.Add(StatusCodes.Good);
}
}
// only generate diagnostics if errors exist.
if (noErrors)
{
diagnosticInfos = CreateDiagnosticInfoCollection(context, errors);
}
return results;
}
/// <summary>
/// Creates a place holder in the lists for the results.
/// </summary>
public static void CreateSuccess(
StatusCodeCollection results,
DiagnosticInfoCollection diagnosticInfos,
OperationContext context)
{
results.Add(StatusCodes.Good);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
}
/// <summary>
/// Writes a set of values.
/// </summary>
public virtual void Write(
OperationContext context,
WriteValueCollection nodesToWrite,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (nodesToWrite == null) throw new ArgumentNullException("nodesToWrite");
int count = nodesToWrite.Count;
bool diagnosticsExist = false;
results = new StatusCodeCollection(count);
diagnosticInfos = new DiagnosticInfoCollection(count);
// add placeholder for each result.
bool validItems = false;
for (int ii = 0; ii < count; ii++)
{
StatusCode result = StatusCodes.Good;
DiagnosticInfo diagnosticInfo = null;
// pre-validate and pre-parse parameter.
ServiceResult error = WriteValue.Validate(nodesToWrite[ii]);
// return error status.
if (ServiceResult.IsBad(error))
{
nodesToWrite[ii].Processed = true;
result = error.Code;
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, error);
diagnosticsExist = true;
}
}
// found at least one valid item.
else
{
nodesToWrite[ii].Processed = false;
validItems = true;
}
results.Add(result);
diagnosticInfos.Add(diagnosticInfo);
}
// call each node manager.
if (validItems)
{
List<ServiceResult> errors = new List<ServiceResult>(count);
errors.AddRange(new ServiceResult[count]);
foreach (INodeManager nodeManager in m_nodeManagers)
{
nodeManager.Write(
context,
nodesToWrite,
errors);
}
for (int ii = 0; ii < nodesToWrite.Count; ii++)
{
if (!nodesToWrite[ii].Processed)
{
errors[ii] = StatusCodes.BadNodeIdUnknown;
}
if (errors[ii] != null && errors[ii].Code != StatusCodes.Good)
{
results[ii] = errors[ii].Code;
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos[ii] = ServerUtils.CreateDiagnosticInfo(m_server, context, errors[ii]);
diagnosticsExist = true;
}
}
ServerUtils.ReportWriteValue(nodesToWrite[ii].NodeId, nodesToWrite[ii].Value, results[ii]);
}
}
// clear the diagnostics array if no diagnostics requested or no errors occurred.
UpdateDiagnostics(context, diagnosticsExist, ref diagnosticInfos);
}
/// <summary>
/// Invokes the SetMonitoringMode service.
/// </summary>
public virtual ResponseHeader SetMonitoringMode(
RequestHeader requestHeader,
uint subscriptionId,
MonitoringMode monitoringMode,
UInt32Collection monitoredItemIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the SetTriggering service.
/// </summary>
public virtual ResponseHeader SetTriggering(
RequestHeader requestHeader,
uint subscriptionId,
uint triggeringItemId,
UInt32Collection linksToAdd,
UInt32Collection linksToRemove,
out StatusCodeCollection addResults,
out DiagnosticInfoCollection addDiagnosticInfos,
out StatusCodeCollection removeResults,
out DiagnosticInfoCollection removeDiagnosticInfos)
{
addResults = null;
addDiagnosticInfos = null;
removeResults = null;
removeDiagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the SetTriggering service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="subscriptionId">The subscription id.</param>
/// <param name="triggeringItemId">The id for the MonitoredItem used as the triggering item.</param>
/// <param name="linksToAdd">The list of ids of the items to report that are to be added as triggering links.</param>
/// <param name="linksToRemove">The list of ids of the items to report for the triggering links to be deleted.</param>
/// <param name="addResults">The list of StatusCodes for the items to add.</param>
/// <param name="addDiagnosticInfos">The list of diagnostic information for the links to add.</param>
/// <param name="removeResults">The list of StatusCodes for the items to delete.</param>
/// <param name="removeDiagnosticInfos">The list of diagnostic information for the links to delete.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader SetTriggering(
RequestHeader requestHeader,
uint subscriptionId,
uint triggeringItemId,
UInt32Collection linksToAdd,
UInt32Collection linksToRemove,
out StatusCodeCollection addResults,
out DiagnosticInfoCollection addDiagnosticInfos,
out StatusCodeCollection removeResults,
out DiagnosticInfoCollection removeDiagnosticInfos)
{
addResults = null;
addDiagnosticInfos = null;
removeResults = null;
removeDiagnosticInfos = null;
OperationContext context = ValidateRequest(requestHeader, RequestType.SetTriggering);
try
{
if ((linksToAdd == null || linksToAdd.Count == 0) && (linksToRemove == null || linksToRemove.Count == 0))
{
throw new ServiceResultException(StatusCodes.BadNothingToDo);
}
ServerInternal.SubscriptionManager.SetTriggering(
context,
subscriptionId,
triggeringItemId,
linksToAdd,
linksToRemove,
out addResults,
out addDiagnosticInfos,
out removeResults,
out removeDiagnosticInfos);
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
/// <summary>
/// Invokes the DeleteSubscriptions service.
/// </summary>
public virtual ResponseHeader DeleteSubscriptions(
RequestHeader requestHeader,
UInt32Collection subscriptionIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the SetMonitoringMode service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="subscriptionId">The subscription id.</param>
/// <param name="monitoringMode">The monitoring mode to be set for the MonitoredItems.</param>
/// <param name="monitoredItemIds">The list of MonitoredItems to modify.</param>
/// <param name="results">The list of results for the MonitoredItems to modify.</param>
/// <param name="diagnosticInfos">The diagnostic information for the results.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader SetMonitoringMode(
RequestHeader requestHeader,
uint subscriptionId,
MonitoringMode monitoringMode,
UInt32Collection monitoredItemIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
OperationContext context = ValidateRequest(requestHeader, RequestType.SetMonitoringMode);
try
{
if (monitoredItemIds == null || monitoredItemIds.Count == 0)
{
throw new ServiceResultException(StatusCodes.BadNothingToDo);
}
ServerInternal.SubscriptionManager.SetMonitoringMode(
context,
subscriptionId,
monitoringMode,
monitoredItemIds,
out results,
out diagnosticInfos);
return CreateResponse(requestHeader, context.StringTable);
}
catch (ServiceResultException e)
{
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException(context, e);
}
finally
{
OnRequestComplete(context);
}
}
/// <summary>
/// Invokes the ActivateSession service.
/// </summary>
public virtual ResponseHeader ActivateSession(
RequestHeader requestHeader,
SignatureData clientSignature,
SignedSoftwareCertificateCollection clientSoftwareCertificates,
StringCollection localeIds,
ExtensionObject userIdentityToken,
SignatureData userTokenSignature,
out byte[] serverNonce,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
serverNonce = null;
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the ActivateSession service.
/// </summary>
/// <param name="requestHeader">The request header.</param>
/// <param name="clientSignature">The client signature.</param>
/// <param name="clientSoftwareCertificates">The client software certificates.</param>
/// <param name="localeIds">The locale ids.</param>
/// <param name="userIdentityToken">The user identity token.</param>
/// <param name="userTokenSignature">The user token signature.</param>
/// <param name="serverNonce">The server nonce.</param>
/// <param name="results">The results.</param>
/// <param name="diagnosticInfos">The diagnostic infos.</param>
/// <returns>
/// Returns a <see cref="ResponseHeader"/> object
/// </returns>
public override ResponseHeader ActivateSession(
RequestHeader requestHeader,
SignatureData clientSignature,
SignedSoftwareCertificateCollection clientSoftwareCertificates,
StringCollection localeIds,
ExtensionObject userIdentityToken,
SignatureData userTokenSignature,
out byte[] serverNonce,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
serverNonce = null;
results = null;
diagnosticInfos = null;
OperationContext context = ValidateRequest(requestHeader, RequestType.ActivateSession);
try
{
// validate client's software certificates.
List<SoftwareCertificate> softwareCertificates = new List<SoftwareCertificate>();
if (context.SecurityPolicyUri != SecurityPolicies.None)
{
bool diagnosticsExist = false;
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos = new DiagnosticInfoCollection();
}
results = new StatusCodeCollection();
diagnosticInfos = new DiagnosticInfoCollection();
foreach (SignedSoftwareCertificate signedCertificate in clientSoftwareCertificates)
{
SoftwareCertificate softwareCertificate = null;
ServiceResult result = SoftwareCertificate.Validate(
new CertificateValidator(),
signedCertificate.CertificateData,
out softwareCertificate);
if (ServiceResult.IsBad(result))
{
results.Add(result.Code);
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(ServerInternal, context, result);
diagnosticInfos.Add(diagnosticInfo);
diagnosticsExist = true;
}
}
else
{
softwareCertificates.Add(softwareCertificate);
results.Add(StatusCodes.Good);
// add diagnostics if requested.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
}
}
if (!diagnosticsExist && diagnosticInfos != null)
{
diagnosticInfos.Clear();
}
}
// check if certificates meet the server's requirements.
ValidateSoftwareCertificates(softwareCertificates);
// activate the session.
bool identityChanged = ServerInternal.SessionManager.ActivateSession(
context,
requestHeader.AuthenticationToken,
clientSignature,
softwareCertificates,
userIdentityToken,
userTokenSignature,
localeIds,
out serverNonce);
if (identityChanged)
{
// TBD - call Node Manager and Subscription Manager.
}
Utils.Trace("Server - SESSION ACTIVATED.");
return CreateResponse(requestHeader, StatusCodes.Good);
}
catch (ServiceResultException e)
{
Utils.Trace("Server - SESSION ACTIVATE failed. {0}", e.Message);
lock (ServerInternal.DiagnosticsLock)
{
ServerInternal.ServerDiagnostics.RejectedRequestsCount++;
if (IsSecurityError(e.StatusCode))
{
ServerInternal.ServerDiagnostics.SecurityRejectedRequestsCount++;
}
}
throw TranslateException((DiagnosticsMasks)requestHeader.ReturnDiagnostics, localeIds, e);
}
finally
{
OnRequestComplete(context);
}
}
/// <summary>
/// Invokes the Write service.
/// </summary>
public virtual ResponseHeader Write(
RequestHeader requestHeader,
WriteValueCollection nodesToWrite,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
results = null;
diagnosticInfos = null;
ValidateRequest(requestHeader);
// Insert implementation.
return CreateResponse(requestHeader, StatusCodes.BadServiceUnsupported);
}
/// <summary>
/// Invokes the DeleteNodes service.
/// </summary>
public virtual ResponseHeader DeleteNodes(
RequestHeader requestHeader,
DeleteNodesItemCollection nodesToDelete,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
DeleteNodesRequest request = new DeleteNodesRequest();
DeleteNodesResponse response = null;
request.RequestHeader = requestHeader;
request.NodesToDelete = nodesToDelete;
UpdateRequestHeader(request, requestHeader == null, "DeleteNodes");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (DeleteNodesResponse)genericResponse;
}
else
{
DeleteNodesResponseMessage responseMessage = InnerChannel.DeleteNodes(new DeleteNodesMessage(request));
if (responseMessage == null || responseMessage.DeleteNodesResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.DeleteNodesResponse;
ValidateResponse(response.ResponseHeader);
}
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(request, response, "DeleteNodes");
}
return response.ResponseHeader;
}
/// <summary>
/// Processes acknowledgements for previously published messages.
/// </summary>
public void Acknowledge(
OperationContext context,
SubscriptionAcknowledgementCollection subscriptionAcknowledgements,
out StatusCodeCollection acknowledgeResults,
out DiagnosticInfoCollection acknowledgeDiagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (subscriptionAcknowledgements == null) throw new ArgumentNullException("subscriptionAcknowledgements");
lock (m_lock)
{
bool diagnosticsExist = false;
acknowledgeResults = new StatusCodeCollection(subscriptionAcknowledgements.Count);
acknowledgeDiagnosticInfos = new DiagnosticInfoCollection(subscriptionAcknowledgements.Count);
for (int ii = 0; ii < subscriptionAcknowledgements.Count; ii++)
{
SubscriptionAcknowledgement acknowledgement = subscriptionAcknowledgements[ii];
bool found = false;
for (int jj = 0; jj < m_queuedSubscriptions.Count; jj++)
{
QueuedSubscription subscription = m_queuedSubscriptions[jj];
if (subscription.Subscription.Id == acknowledgement.SubscriptionId)
{
ServiceResult result = subscription.Subscription.Acknowledge(context, acknowledgement.SequenceNumber);
if (ServiceResult.IsGood(result))
{
acknowledgeResults.Add(StatusCodes.Good);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
acknowledgeDiagnosticInfos.Add(null);
}
}
else
{
acknowledgeResults.Add(result.Code);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, result);
acknowledgeDiagnosticInfos.Add(diagnosticInfo);
diagnosticsExist = true;
}
}
found = true;
break;
}
}
if (!found)
{
ServiceResult result = new ServiceResult(StatusCodes.BadSubscriptionIdInvalid);
acknowledgeResults.Add(result.Code);
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, result);
acknowledgeDiagnosticInfos.Add(diagnosticInfo);
diagnosticsExist = true;
}
}
}
if (!diagnosticsExist)
{
acknowledgeDiagnosticInfos.Clear();
}
}
}
/// <summary>
/// Reads an StatusCode array from the stream.
/// </summary>
public StatusCodeCollection ReadStatusCodeArray(string fieldName)
{
bool isNil = false;
StatusCodeCollection values = new StatusCodeCollection();
if (BeginField(fieldName, true, out isNil))
{
PushNamespace(Namespaces.OpcUaXsd);
while (MoveToElement("StatusCode"))
{
values.Add(ReadStatusCode("StatusCode"));
}
// check the length.
if (m_context.MaxArrayLength > 0 && m_context.MaxArrayLength < values.Count)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
PopNamespace();
EndField(fieldName);
return values;
}
if (isNil)
{
return null;
}
return values;
}
/// <summary>
/// Invokes the SetPublishingMode service.
/// </summary>
public virtual ResponseHeader SetPublishingMode(
RequestHeader requestHeader,
bool publishingEnabled,
UInt32Collection subscriptionIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
SetPublishingModeRequest request = new SetPublishingModeRequest();
SetPublishingModeResponse response = null;
request.RequestHeader = requestHeader;
request.PublishingEnabled = publishingEnabled;
request.SubscriptionIds = subscriptionIds;
UpdateRequestHeader(request, requestHeader == null, "SetPublishingMode");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (SetPublishingModeResponse)genericResponse;
}
else
{
SetPublishingModeResponseMessage responseMessage = InnerChannel.SetPublishingMode(new SetPublishingModeMessage(request));
if (responseMessage == null || responseMessage.SetPublishingModeResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.SetPublishingModeResponse;
ValidateResponse(response.ResponseHeader);
}
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(request, response, "SetPublishingMode");
}
return response.ResponseHeader;
}
/// <summary>
/// Finishes an asynchronous invocation of the Publish service.
/// </summary>
public ResponseHeader EndPublish(
IAsyncResult result,
out uint subscriptionId,
out UInt32Collection availableSequenceNumbers,
out bool moreNotifications,
out NotificationMessage notificationMessage,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
PublishResponse response = null;
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.EndSendRequest(result);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (PublishResponse)genericResponse;
}
else
{
PublishResponseMessage responseMessage = InnerChannel.EndPublish(result);
if (responseMessage == null || responseMessage.PublishResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.PublishResponse;
ValidateResponse(response.ResponseHeader);
}
subscriptionId = response.SubscriptionId;
availableSequenceNumbers = response.AvailableSequenceNumbers;
moreNotifications = response.MoreNotifications;
notificationMessage = response.NotificationMessage;
results = response.Results;
diagnosticInfos = response.DiagnosticInfos;
}
finally
{
RequestCompleted(null, response, "Publish");
}
return response.ResponseHeader;
}
/// <summary>
/// Deletes the monitored items in a subscription.
/// </summary>
public void DeleteMonitoredItems(
OperationContext context,
UInt32Collection monitoredItemIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
DeleteMonitoredItems(context, monitoredItemIds, false, out results, out diagnosticInfos);
}
/// <summary>
/// Verifies the result of a publish
/// </summary>
private bool VerifyPublishResponse(
ResponseHeader responseHeader,
Subscription subscription,
UInt32Collection availableSequenceNumbers,
bool moreNotifications,
NotificationMessage notificationMessage,
StatusCodeCollection results,
DiagnosticInfoCollection diagnosticInfos)
{
/*
Utils.Trace(
"PublishReceived: SubId={0} SeqNo={1}, PublishTime={2:mm:ss.fff}, Time={3:mm:ss.fff}",
subscription.SubscriptionId,
notificationMessage.SequenceNumber,
notificationMessage.PublishTime,
DateTime.UtcNow);
*/
// check if there is an odd delay.
if (responseHeader.Timestamp > notificationMessage.PublishTime.AddMilliseconds(100))
{
Log(
"WARNING. Unexpected delay between PublishTime and ResponseTime. SeqNo={0}, PublishTime={1:hh:mm:ss.fff}, ResponseTime={2:hh:mm:ss.fff}",
notificationMessage.SequenceNumber,
notificationMessage.PublishTime,
responseHeader.Timestamp);
}
// save results.
subscription.AvailableSequenceNumbers = availableSequenceNumbers;
if (notificationMessage.NotificationData.Count == 0)
{
// keep alives do not increment the sequence number.
if (subscription.NextExpectedSequenceNumber != notificationMessage.SequenceNumber)
{
Log(
"Incorrect sequence number for keep alive. SubscriptionId = {0}, Actual = {1}, Expected = {2}",
subscription.SubscriptionId,
notificationMessage.SequenceNumber,
subscription.NextExpectedSequenceNumber);
subscription.Failed = true;
return false;
}
// save the message.
DateTime timestamp = responseHeader.Timestamp;
DateTime start = subscription.States[subscription.States.Count - 1].Start;
// check if this is an old request being processed late.
if (start > timestamp && subscription.States.Count > 1)
{
subscription.States[subscription.States.Count - 2].KeepAlives.Add(timestamp);
}
else
{
subscription.States[subscription.States.Count - 1].KeepAlives.Add(timestamp);
}
}
else
{
// check for replays.
if (subscription.NextExpectedSequenceNumber > notificationMessage.SequenceNumber)
{
// check for out of order responses.
bool found = false;
for (int ii = 0; ii < subscription.MissingSequenceNumbers.Count; ii++)
{
if (subscription.MissingSequenceNumbers[ii] == notificationMessage.SequenceNumber)
{
subscription.MissingSequenceNumbers.RemoveAt(ii);
found = true;
break;
}
}
// oops - duplicate.
if (!found)
{
Log(
"Duplicate sequence number for message. SubscriptionId = {0}, Actual = {1}, Expected = {2}",
subscription.SubscriptionId,
notificationMessage.SequenceNumber,
subscription.NextExpectedSequenceNumber);
subscription.Failed = true;
return false;
}
}
// increment message counter.
if (notificationMessage.SequenceNumber >= subscription.NextExpectedSequenceNumber)
{
for (uint ii = subscription.NextExpectedSequenceNumber; ii < notificationMessage.SequenceNumber; ii++)
{
if (!subscription.MissingSequenceNumbers.Contains(ii))
{
subscription.MissingSequenceNumbers.Add(ii);
}
}
subscription.NextExpectedSequenceNumber = notificationMessage.SequenceNumber+1;
}
// save the largest received message number (gap exist because of client side threading issues).
if (subscription.LastReceivedSequenceNumber < notificationMessage.SequenceNumber)
{
subscription.LastReceivedSequenceNumber = notificationMessage.SequenceNumber;
}
// save the message.
DateTime timestamp = responseHeader.Timestamp;
DateTime start = subscription.States[subscription.States.Count-1].Start;
// check if this is an old request being processed late.
if (start > timestamp && subscription.States.Count > 1)
{
subscription.States[subscription.States.Count - 2].KeepAlives.Add(timestamp);
}
else
{
subscription.States[subscription.States.Count - 1].KeepAlives.Add(timestamp);
}
subscription.NotificationMessages.Add(notificationMessage);
subscription.ReceiveTimes.Add(responseHeader.Timestamp);
// change to keep alive mode.
if (subscription.StaticData)
{
PublishingState state = new PublishingState();
state.KeepAliveCount = subscription.KeepAliveCount;
state.PublishingInterval = subscription.PublishingInterval;
state.Start = timestamp;
state.KeepAliveMode = true;
subscription.States[subscription.States.Count-1].End = state.Start;
subscription.States.Add(state);
}
// save the acknowlegements.
SaveAcknowledgement(subscription.SubscriptionId, notificationMessage.SequenceNumber);
}
return true;
}
/// <summary>
/// Changes the monitoring mode for a set of items.
/// </summary>
public void SetMonitoringMode(
OperationContext context,
MonitoringMode monitoringMode,
UInt32Collection monitoredItemIds,
out StatusCodeCollection results,
out DiagnosticInfoCollection diagnosticInfos)
{
if (context == null) throw new ArgumentNullException("context");
if (monitoredItemIds == null) throw new ArgumentNullException("monitoredItemIds");
int count = monitoredItemIds.Count;
bool diagnosticsExist = false;
results = new StatusCodeCollection(count);
diagnosticInfos = null;
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos = new DiagnosticInfoCollection(count);
}
// build list of items to modify.
List<IMonitoredItem> monitoredItems = new List<IMonitoredItem>(count);
List<ServiceResult> errors = new List<ServiceResult>(count);
MonitoringMode[] originalMonitoringModes = new MonitoringMode[count];
bool validItems = false;
lock (m_lock)
{
// check session.
VerifySession(context);
// clear lifetime counter.
ResetLifetimeCount();
for (int ii = 0; ii < count; ii++)
{
LinkedListNode<IMonitoredItem> node = null;
if (!m_monitoredItems.TryGetValue(monitoredItemIds[ii], out node))
{
monitoredItems.Add(null);
errors.Add(StatusCodes.BadMonitoredItemIdInvalid);
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
DiagnosticInfo diagnosticInfo = ServerUtils.CreateDiagnosticInfo(m_server, context, errors[ii]);
diagnosticsExist = true;
diagnosticInfos.Add(diagnosticInfo);
}
continue;
}
IMonitoredItem monitoredItem = node.Value;
monitoredItems.Add(monitoredItem);
originalMonitoringModes[ii] = monitoredItem.MonitoringMode;
errors.Add(null);
validItems = true;
// update diagnostics.
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos.Add(null);
}
}
}
// update items.
if (validItems)
{
m_server.NodeManager.SetMonitoringMode(
context,
monitoringMode,
monitoredItems,
errors);
}
lock (m_lock)
{
// update diagnostics.
for (int ii = 0; ii < errors.Count; ii++)
{
ServiceResult error = errors[ii];
if (error == null)
{
results.Add(StatusCodes.Good);
}
else
{
results.Add(error.StatusCode);
}
// update diagnostics.
if (ServiceResult.IsGood(error))
{
ModifyItemMonitoringMode(monitoredItems[ii].SamplingInterval, originalMonitoringModes[ii], monitoringMode);
}
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
if (error != null && error.Code != StatusCodes.Good)
{
diagnosticInfos[ii] = ServerUtils.CreateDiagnosticInfo(m_server, context, error);
diagnosticsExist = true;
}
}
}
// clear diagnostics if not required.
if (!diagnosticsExist && diagnosticInfos != null)
{
diagnosticInfos.Clear();
}
// update diagnostics.
lock (m_diagnostics)
{
m_diagnostics.MonitoredItemCount = 0;
m_diagnostics.DisabledMonitoredItemCount = 0;
}
if (monitoringMode == MonitoringMode.Disabled)
{
// TraceState("ITEMS DISABLED");
}
else if (monitoringMode == MonitoringMode.Reporting)
{
// TraceState("ITEMS REPORTING ENABLED");
}
else
{
// TraceState("ITEMS SAMPLING ENABLED");
}
}
}
/// <summary>
/// Fills in the diagnostic information after an error.
/// </summary>
public static bool CreateError(
uint code,
StatusCodeCollection results,
DiagnosticInfoCollection diagnosticInfos,
int index,
OperationContext context)
{
ServiceResult error = new ServiceResult(code);
results[index] = error.Code;
if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0)
{
diagnosticInfos[index] = new DiagnosticInfo(error, context.DiagnosticsMask, false, context.StringTable);
return true;
}
return false;
}