//----------------- public MyDaSubscription(uint updateRate, MyDaSession parentSession) : base(updateRate, parentSession) { DataChanged += new DataChangedEventHandler(HandleDataChanged); StateChangeCompleted += new StateChangeEventHandler(HandleStateChanged); ReadCompleted += new SubscriptionReadEventHandler(HandleSubscriptionReadCompleted); WriteCompleted += new SubscriptionWriteEventHandler(HandleSubscriptionWriteCompleted); PerformStateTransitionCompleted += new PerformStateTransitionEventHandler(HandlePerformStateTransition); }
public override TestResult Execute() { if (string.IsNullOrEmpty(ItemsProperty)) { return(TestResult.ParameterMissing("ItemsProperty")); } DaItem[] items = GetProperty(ItemsProperty) as DaItem[]; if (items == null || items.Length == 0) { return(TestResult.ParameterInvalid("ItemsProperty")); } DaSubscription subscription = items[0].DaSubscription; try { int result = (int)EnumResultCode.S_FALSE; ValueQT[] values; int[] results; if (ExecutionType == EnumExecutionType.SYNCHRONOUS) { result = subscription.Read(MaxAge, items, out values, out results, null); } else { m_asyncExecutionContext = DaExecutionContext.Next; ExecutionOptions executionOptions = new ExecutionOptions(EnumExecutionType.ASYNCHRONOUS, m_asyncExecutionContext); m_waitHandle = new System.Threading.AutoResetEvent(false); SubscriptionReadEventHandler asyncHandler = new SubscriptionReadEventHandler(subscription_ReadCompleted); subscription.ReadCompleted += asyncHandler; result = subscription.Read(MaxAge, items, out values, out results, executionOptions); if (m_waitHandle.WaitOne(30000)) { result = m_asyncResult; values = m_asyncValues; results = m_asyncResults; } subscription.ReadCompleted -= asyncHandler; } if (ResultCode.SUCCEEDED(result)) { if (!string.IsNullOrEmpty(ValuesProperty)) { SetProperty(ValuesProperty, values); } if (!string.IsNullOrEmpty(ResultsProperty)) { SetProperty(ResultsProperty, results); } //validate with expected values if (ExpectedValues.Count > 0) { if (ExpectedValues.Count != values.Length) { return(new DaReadTestResult((int)EnumResultCode.S_OK, values, results, "Unexpected number of results")); } for (int i = 0; i < ExpectedValues.Count; i++) { Softing.OPCToolbox.ValueQT receivedValue = values[i]; Value expectedValue = ExpectedValues[i]; if (expectedValue.Data != null) { if (!expectedValue.Data.Equals(receivedValue.Data)) { return(new DaReadTestResult((int)EnumResultCode.S_OK, values, results, string.Format("Unexpected result Value for item #{0}", i))); } } else if (expectedValue.DataArray != null) { IList receivedList = receivedValue.Data as IList; if (receivedList != null) { if (expectedValue.DataArray.Count != receivedList.Count) { return(new DaReadTestResult((int)EnumResultCode.S_OK, values, results, string.Format("Result Value array is of different size then expected for item #{0}", i))); } for (int j = 0; j < receivedList.Count; j++) { if (!expectedValue.DataArray[j].Equals(receivedList[j])) { return(new DaReadTestResult((int)EnumResultCode.S_OK, values, results, string.Format("Unexpected result Array Item Value for item #{0}", i))); } } } } if (expectedValue.Quality != null && expectedValue.Quality != receivedValue.Quality) { return(new DaReadTestResult(result, values, results, string.Format("Unexpected result Quality for item #{0}", i))); } //BUG in TB 4.0 //if( expectedValue.TimeStamp != null && expectedValue.TimeStamp != receivedValue.TimeStamp ) // return new DaReadTestResult( result, values, results, string.Format( "Unexpected result Timestamp for item #{0}", i ) ); } } return(new DaReadTestResult(result, values, results)); } else { EnumResultCode resCode = (EnumResultCode)Enum.Parse(typeof(EnumResultCode), result.ToString()); return(TestResult.Failed(string.Format("Call returned: {0} ({1})", resCode.ToString(), result))); } } catch (Exception ex) { return(new TestResult(ex)); } }