/// <summary>
/// Deletes the history of values for a set of variables at given time.
/// </summary>
static void HistoryDeleteAtTime(Session session)
{
// translate browse paths.
IList <NodeOfInterest> results = GetNodeIds(session, Opc.Ua.Objects.ObjectsFolder,
VariableBrowsePaths.ToArray());
DiagnosticInfoCollection diagnosticInfos;
ExtensionObjectCollection eoc = new ExtensionObjectCollection();
for (int ii = 0; ii < results.Count; ii++)
{
DeleteAtTimeDetails deleteDetails = new DeleteAtTimeDetails();
deleteDetails.ReqTimes = new DateTimeCollection();
for (int jj = 0; jj < 5; jj++)
{
deleteDetails.ReqTimes.Add(new DateTime(2008, 01, 01, 12, 0, jj * 2));
}
deleteDetails.NodeId = results[ii].NodeId;
deleteDetails.Processed = false;
ExtensionObject eo = new ExtensionObject(deleteDetails.TypeId, deleteDetails);
eoc.Add(eo);
}
HistoryUpdateResultCollection historyUpdateResults;
ResponseHeader responseHeader =
session.HistoryUpdate(null, eoc, out historyUpdateResults, out diagnosticInfos);
// process results.
for (int ii = 0; ii < historyUpdateResults.Count; ii++)
{
HistoryUpdateResult historyUpdateResult = historyUpdateResults[ii];
Console.WriteLine("HistoryUpdate result code for {0}: {1}", VariableBrowsePaths[ii],
historyUpdateResult.StatusCode.ToString());
if (StatusCode.IsGood(historyUpdateResult.StatusCode))
{
for (int jj = 0; jj < historyUpdateResult.OperationResults.Count; jj++)
{
Console.WriteLine(" {0}: {1}", jj, historyUpdateResult.OperationResults[jj]);
}
Console.WriteLine("");
}
}
}
/// <summary>
/// Updates the history of an item.
/// </summary>
public StatusCode DeleteAtTime(string itemId, DeleteAtTimeDetails details, HistoryUpdateResult result)
{
// create handles.
HdaItem[] items = GetItems(itemId);
if (items == null || items[0].Error < 0)
{
result.StatusCode = StatusCodes.BadNodeIdUnknown;
return result.StatusCode;
}
try
{
int[] errors = DeleteAtTime(items[0], details.ReqTimes);
// update error codes.
for (int ii = 0; ii < errors.Length; ii++)
{
StatusCode statusCode = MapErrorCodeToUpdateStatus(errors[ii]);
result.OperationResults.Add(statusCode);
}
}
catch (Exception)
{
result.StatusCode = StatusCodes.BadUnexpectedError;
}
finally
{
// release handles.
ReleaseItemHandles(items);
}
return result.StatusCode;
}
/// <summary>
/// Deletes the history of values for a set of variables at given time.
/// </summary>
static void HistoryDeleteAtTime(Session session)
{
// translate browse paths.
IList<NodeOfInterest> results = GetNodeIds(session, Opc.Ua.Objects.ObjectsFolder,
VariableBrowsePaths.ToArray());
DiagnosticInfoCollection diagnosticInfos;
ExtensionObjectCollection eoc = new ExtensionObjectCollection();
for (int ii = 0; ii < results.Count; ii++)
{
DeleteAtTimeDetails deleteDetails = new DeleteAtTimeDetails();
deleteDetails.ReqTimes = new DateTimeCollection();
for (int jj = 0; jj < 5; jj++)
{
deleteDetails.ReqTimes.Add(new DateTime(2008, 01, 01, 12, 0, jj * 2));
}
deleteDetails.NodeId = results[ii].NodeId;
deleteDetails.Processed = false;
ExtensionObject eo = new ExtensionObject(deleteDetails.TypeId, deleteDetails);
eoc.Add(eo);
}
HistoryUpdateResultCollection historyUpdateResults;
ResponseHeader responseHeader =
session.HistoryUpdate(null, eoc, out historyUpdateResults, out diagnosticInfos);
// process results.
for (int ii = 0; ii < historyUpdateResults.Count; ii++)
{
HistoryUpdateResult historyUpdateResult = historyUpdateResults[ii];
Console.WriteLine("HistoryUpdate result code for {0}: {1}", VariableBrowsePaths[ii], historyUpdateResult.StatusCode.ToString());
if (StatusCode.IsGood(historyUpdateResult.StatusCode))
{
for (int jj = 0; jj < historyUpdateResult.OperationResults.Count; jj++)
{
Console.WriteLine(" {0}: {1}", jj, historyUpdateResult.OperationResults[jj]);
}
Console.WriteLine("");
}
}
}
/// <summary>
/// Validates the nodes and updates the history.
/// </summary>
protected virtual void HistoryUpdate(
ServerSystemContext context,
Type detailsType,
IList<HistoryUpdateDetails> nodesToUpdate,
IList<HistoryUpdateResult> results,
IList<ServiceResult> errors,
List<NodeHandle> nodesToProcess,
IDictionary<NodeId, NodeState> cache)
{
// handle update data request.
if (detailsType == typeof(UpdateDataDetails))
{
UpdateDataDetails[] details = new UpdateDataDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (UpdateDataDetails)nodesToUpdate[ii];
}
HistoryUpdateData(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
// handle update structure data request.
if (detailsType == typeof(UpdateStructureDataDetails))
{
UpdateStructureDataDetails[] details = new UpdateStructureDataDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (UpdateStructureDataDetails)nodesToUpdate[ii];
}
HistoryUpdateStructureData(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
// handle update events request.
if (detailsType == typeof(UpdateEventDetails))
{
UpdateEventDetails[] details = new UpdateEventDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (UpdateEventDetails)nodesToUpdate[ii];
}
HistoryUpdateEvents(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
// handle delete raw data request.
if (detailsType == typeof(DeleteRawModifiedDetails))
{
DeleteRawModifiedDetails[] details = new DeleteRawModifiedDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (DeleteRawModifiedDetails)nodesToUpdate[ii];
}
HistoryDeleteRawModified(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
// handle delete at time request.
if (detailsType == typeof(DeleteAtTimeDetails))
{
DeleteAtTimeDetails[] details = new DeleteAtTimeDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (DeleteAtTimeDetails)nodesToUpdate[ii];
}
HistoryDeleteAtTime(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
// handle delete at time request.
if (detailsType == typeof(DeleteEventDetails))
{
DeleteEventDetails[] details = new DeleteEventDetails[nodesToUpdate.Count];
for (int ii = 0; ii < details.Length; ii++)
{
details[ii] = (DeleteEventDetails)nodesToUpdate[ii];
}
HistoryDeleteEvents(
context,
details,
results,
errors,
nodesToProcess,
cache);
return;
}
}
/// <summary>
/// Creates the update requests.
/// </summary>
private List<HdaUpdateRequest> CreateUpdateRequests(
Session session,
DateTime[] timestamps,
int[] serverHandles)
{
List<HdaUpdateRequest> requests = new List<HdaUpdateRequest>();
for (int ii = 0; ii < serverHandles.Length; ii++)
{
HdaUpdateRequest request = new HdaUpdateRequest();
requests.Add(request);
// find handle.
request.Handle = m_itemManager.LookupHandle(serverHandles[ii]);
if (request.Handle == null)
{
request.Error = ResultIds.E_INVALIDHANDLE;
continue;
}
request.ClientHandle = request.Handle.ClientHandle;
// specify the parameters for the request.
DeleteAtTimeDetails details = new DeleteAtTimeDetails();
details.NodeId = request.Handle.NodeId;
details.ReqTimes.AddRange(timestamps);
request.Details = new ExtensionObject(details);
}
return requests;
}
/// <summary>
/// Deletes the history.
/// </summary>
private void DeleteAtTime()
{
DeleteAtTimeDetails details = new DeleteAtTimeDetails();
details.NodeId = m_nodeId;
foreach (DataRowView row in m_dataset.Tables[0].DefaultView)
{
DateTime value = (DateTime)row.Row[1];
details.ReqTimes.Add(value);
}
ExtensionObjectCollection nodesToUpdate = new ExtensionObjectCollection();
nodesToUpdate.Add(new ExtensionObject(details));
HistoryUpdateResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.HistoryUpdate(
null,
nodesToUpdate,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, nodesToUpdate);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, nodesToUpdate);
if (StatusCode.IsBad(results[0].StatusCode))
{
throw new ServiceResultException(results[0].StatusCode);
}
ResultsDV.Columns[ResultsDV.Columns.Count-1].Visible = true;
for (int ii = 0; ii < m_dataset.Tables[0].DefaultView.Count; ii++)
{
m_dataset.Tables[0].DefaultView[ii].Row[10] = results[0].OperationResults[ii];
}
m_dataset.AcceptChanges();
}
