} // end HandleReadRequests
public override int HandleWriteRequests()
{
int count = Requests.Count;
for (int i = 0; i < count; i++)
{
DaRequest request = Requests[i] as DaRequest;
if ((request != null) && (request.ProgressRequestState(EnumRequestState.CREATED, EnumRequestState.INPROGRESS) == true))
{
MyDaAddressSpaceElement element = (MyDaAddressSpaceElement)request.AddressSpaceElement;
if (element != null)
{
ValueQT valueQT = request.Value;
request.Result = (EnumResultCode)element.ValueChanged(valueQT);
} // end if
} // end if
} // end for
return(CompleteRequests());
} // end HandleWriteRequests
} // end ProcessCommandLine
public int BuildAddressSpace()
{
try
{
MyCreator creator = (MyCreator)Application.Instance.Creator;
// DA
DaAddressSpaceRoot daRoot = Application.Instance.DaAddressSpaceRoot;
m_daSimulationElement = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
m_daSimulationElement.Name = "simulation";
m_daSimulationElement.AccessRights = EnumAccessRights.READWRITEABLE;
m_daSimulationElement.Datatype = typeof(System.Int32);
m_daSimulationElement.IoMode = EnumIoMode.POLL;
daRoot.AddChild(m_daSimulationElement);
m_daSimulationElement.ValueChanged(
new ValueQT(
m_random.Next(5000),
EnumQuality.GOOD,
DateTime.Now));
//AE
AeAddressSpaceRoot aeRoot = Application.Instance.AeAddressSpaceRoot;
AeAddressSpaceElement aeElement = creator.CreateAeAddressSpaceElement();
aeElement.Name = "SimulationElement";
aeElement.HasChildren = false;
aeRoot.AddChild(aeElement);
}
catch(Exception exc)
{
Trace(
EnumTraceLevel.ERR,
EnumTraceGroup.USER1,
"OpcServer:BuildAddressSpace",
exc.ToString());
return (int)EnumResultCode.E_FAIL;
} // end try...catch
return (int)EnumResultCode.S_OK;
} // end BuildAddressSpace
} // end constructor
public override int HandleReadRequests()
{
int count = Requests.Count;
for (int i = 0; i < count; i++)
{
DaRequest request = (DaRequest)Requests[i];
if ((request != null) && (request.ProgressRequestState(EnumRequestState.CREATED, EnumRequestState.INPROGRESS) == true))
{
if (request.PropertyId == 0)
{
// get address space element value
// take the toolkit cache value
ValueQT cacheValue = null;
request.AddressSpaceElement.GetCacheValue(ref cacheValue);
request.Value = cacheValue;
request.Result = EnumResultCode.S_OK;
}
else
{
// get property value
// get the value from the address space element
MyDaAddressSpaceElement element = request.AddressSpaceElement as MyDaAddressSpaceElement;
if (element != null)
{
element.GetPropertyValue(request);
}
else
{
request.Result = EnumResultCode.E_FAIL;
} // end if ... else
} // end if ... else
} // end if
} // end for
return(CompleteRequests());
} // end HandleReadRequests
