} // end HandleReadRequests
public override int HandleWriteRequests()
{
int count = Requests.Count;
MySession pClient = (MySession)Session;
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)
{
if (pClient.Equals(MySession.s_controlingSession))
{
ValueQT valueQT = request.Value;
request.Result = (EnumResultCode)element.ValueChanged(valueQT);
}
else
{
request.Result = EnumResultCode.E_ACCESSDENIED;
} // end if
} // end if
} // end if
} // end for
return(CompleteRequests());
} // end HandleWriteRequests
} // 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);
if (cacheValue == null)
{
request.AddressSpaceElement.QueryCacheValue((MySession)Session, 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
} // end ProcessCommandLine
public int BuildAddressSpace()
{
try
{
MyCreator creator = (MyCreator)Application.Instance.Creator;
// DA
MyDaAddressSpaceRoot daRoot = (MyDaAddressSpaceRoot)Application.Instance.DaAddressSpaceRoot;
m_daSimulationElement1 = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
m_daSimulationElement1.Name = "client specific";
m_daSimulationElement1.AccessRights = EnumAccessRights.READABLE;
m_daSimulationElement1.Datatype = typeof(System.Int32);
m_daSimulationElement1.IoMode = EnumIoMode.POLL_OWNCACHE;
daRoot.AddChild(m_daSimulationElement1);
m_daSimulationElement2 = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
m_daSimulationElement2.Name = "secured write";
m_daSimulationElement2.AccessRights = EnumAccessRights.READWRITEABLE;
m_daSimulationElement2.Datatype = typeof(System.Int32);
m_daSimulationElement2.IoMode = EnumIoMode.POLL;
daRoot.AddChild(m_daSimulationElement2);
m_daSimulationElement2.ValueChanged(new ValueQT(2, EnumQuality.GOOD, DateTime.Now));
}
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
