/// <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> /// Deletes history events. /// </summary> protected override void HistoryDeleteEvents( ServerSystemContext context, IList <DeleteEventDetails> nodesToUpdate, IList <HistoryUpdateResult> results, IList <ServiceResult> errors, List <NodeHandle> nodesToProcess, IDictionary <NodeId, NodeState> cache) { for (int ii = 0; ii < nodesToProcess.Count; ii++) { NodeHandle handle = nodesToProcess[ii]; DeleteEventDetails nodeToUpdate = nodesToUpdate[handle.Index]; HistoryUpdateResult result = results[handle.Index]; // delete events. bool failed = false; for (int jj = 0; jj < nodeToUpdate.EventIds.Count; jj++) { try { string eventId = new Guid(nodeToUpdate.EventIds[jj]).ToString(); if (!m_generator.DeleteEvent(eventId)) { result.OperationResults.Add(StatusCodes.BadEventIdUnknown); failed = true; continue; } result.OperationResults.Add(StatusCodes.Good); } catch { result.OperationResults.Add(StatusCodes.BadEventIdUnknown); failed = true; } } // check if diagnostics are required. if (failed) { if ((context.DiagnosticsMask & DiagnosticsMasks.OperationAll) != 0) { for (int jj = 0; jj < nodeToUpdate.EventIds.Count; jj++) { if (StatusCode.IsBad(result.OperationResults[jj])) { result.DiagnosticInfos.Add(ServerUtils.CreateDiagnosticInfo(Server, context.OperationContext, result.OperationResults[jj])); } } } } // clear operation results if all good. else { result.OperationResults.Clear(); } // all done. errors[handle.Index] = ServiceResult.Good; } }
/// <summary> /// Deletes the recent history. /// </summary> private void DeleteHistory(NodeId areaId, List <VariantCollection> events, FilterDeclaration filter) { // find the event id. int index = 0; foreach (FilterDeclarationField field in filter.Fields) { if (field.InstanceDeclaration.BrowseName == Opc.Ua.BrowseNames.EventId) { break; } index++; } // can't delete events if no event id. if (index >= filter.Fields.Count) { throw ServiceResultException.Create(StatusCodes.BadEventIdUnknown, "Cannot delete events if EventId was not selected."); } // build list of nodes to delete. DeleteEventDetails details = new DeleteEventDetails(); details.NodeId = areaId; foreach (VariantCollection e in events) { byte[] eventId = null; if (e.Count > index) { eventId = e[index].Value as byte[]; } details.EventIds.Add(eventId); } // delete the events. 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); } // check for item level errors. if (results[0].OperationResults.Count > 0) { int count = 0; for (int ii = 0; ii < results[0].OperationResults.Count; ii++) { if (StatusCode.IsBad(results[0].OperationResults[ii])) { count++; } } // raise an error. if (count > 0) { throw ServiceResultException.Create( StatusCodes.BadEventIdUnknown, "Error deleting events. Only {0} of {1} deletes succeeded.", events.Count - count, events.Count); } } }
/// <summary> /// Deletes the recent history. /// </summary> private void DeleteHistory(NodeId areaId, List<VariantCollection> events, FilterDeclaration filter) { // find the event id. int index = 0; foreach (FilterDeclarationField field in filter.Fields) { if (field.InstanceDeclaration.BrowseName == Opc.Ua.BrowseNames.EventId) { break; } index++; } // can't delete events if no event id. if (index >= filter.Fields.Count) { throw ServiceResultException.Create(StatusCodes.BadEventIdUnknown, "Cannot delete events if EventId was not selected."); } // build list of nodes to delete. DeleteEventDetails details = new DeleteEventDetails(); details.NodeId = areaId; foreach (VariantCollection e in events) { byte[] eventId = null; if (e.Count > index) { eventId = e[index].Value as byte[]; } details.EventIds.Add(eventId); } // delete the events. 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); } // check for item level errors. if (results[0].OperationResults.Count > 0) { int count = 0; for (int ii = 0; ii < results[0].OperationResults.Count; ii++) { if (StatusCode.IsBad(results[0].OperationResults[ii])) { count++; } } // raise an error. if (count > 0) { throw ServiceResultException.Create( StatusCodes.BadEventIdUnknown, "Error deleting events. Only {0} of {1} deletes succeeded.", events.Count - count, events.Count); } } }