} // end ProcessCommandLine
public int BuildAddressSpace()
{
try
{
DaAddressSpaceRoot root = Application.Instance.DaAddressSpaceRoot;
MyCreator creator = (MyCreator)Application.Instance.Creator;
MyDaAddressSpaceElement clockNode = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
clockNode.Name = "clock";
clockNode.Type = MyDaAddressSpaceElement.TYPE_NODECLOCK;
clockNode.IoMode = EnumIoMode.NONE;
clockNode.HasChildren = true;
root.AddChild(clockNode);
MyDaAddressSpaceElement reportNode = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
reportNode.Name = "report";
reportNode.Type = MyDaAddressSpaceElement.TYPE_NODEREPORT;
reportNode.IoMode = EnumIoMode.NONE;
reportNode.HasChildren = true;
clockNode.AddChild(reportNode);
m_reportTagSec = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
m_reportTagSec.Name = "sec";
m_reportTagSec.Type = MyDaAddressSpaceElement.TYPE_REPORT_SEC;
m_reportTagSec.AccessRights = EnumAccessRights.READABLE;
m_reportTagSec.Datatype = typeof(Int32);
m_reportTagSec.IoMode = EnumIoMode.REPORT_CYCLIC;
reportNode.AddChild(m_reportTagSec);
m_reportTagMin = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
m_reportTagMin.Name = "min";
m_reportTagMin.Type = MyDaAddressSpaceElement.TYPE_REPORT_MIN;
m_reportTagMin.AccessRights = EnumAccessRights.READABLE;
m_reportTagMin.Datatype = typeof(Int32);
m_reportTagMin.IoMode = EnumIoMode.REPORT_CYCLIC;
reportNode.AddChild(m_reportTagMin);
MyDaAddressSpaceElement pollNode = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
pollNode.Name = "poll";
pollNode.Type = MyDaAddressSpaceElement.TYPE_NODEPOLL;
pollNode.IoMode = EnumIoMode.NONE;
pollNode.HasChildren = true;
clockNode.AddChild(pollNode);
MyDaAddressSpaceElement tag = null;
tag = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
tag.Name = "sec";
tag.Type = MyDaAddressSpaceElement.TYPE_POLL_SEC;
tag.AccessRights = EnumAccessRights.READABLE;
tag.Datatype = typeof(Int32);
tag.IoMode = EnumIoMode.POLL;
pollNode.AddChild(tag);
tag = (MyDaAddressSpaceElement)creator.CreateMyDaAddressSpaceElement();
tag.Name = "min";
tag.Type = MyDaAddressSpaceElement.TYPE_POLL_MIN;
tag.AccessRights = EnumAccessRights.READABLE;
tag.Datatype = typeof(Int32);
tag.IoMode = EnumIoMode.POLL;
pollNode.AddChild(tag);
}
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))
{
MyDaAddressSpaceElement element = request.AddressSpaceElement as MyDaAddressSpaceElement;
if (element == null)
{
request.Result = EnumResultCode.E_FAIL;
}
else
{
if (request.PropertyId == 0)
{
if (element.Type == MyDaAddressSpaceElement.TYPE_POLL_SEC)
{
// get address space element value
DateTime now = DateTime.Now;
ValueQT cacheValue = new ValueQT(now.Second, EnumQuality.GOOD, now);
request.Value = cacheValue;
request.Result = EnumResultCode.S_OK;
}
else if (element.Type == MyDaAddressSpaceElement.TYPE_POLL_MIN)
{
// get address space element value
DateTime now = DateTime.Now;
ValueQT cacheValue = new ValueQT(now.Minute, EnumQuality.GOOD, now);
request.Value = cacheValue;
request.Result = EnumResultCode.S_OK;
}
else if (element.Type == MyDaAddressSpaceElement.TYPE_REPORT_MIN)
{
// this is a direct device read request
DateTime now = DateTime.Now;
ValueQT cacheValue = new ValueQT(now.Minute, EnumQuality.GOOD, now);
request.Value = cacheValue;
request.Result = EnumResultCode.S_OK;
}
else if (element.Type == MyDaAddressSpaceElement.TYPE_REPORT_SEC)
{
// this is a direct device read request
DateTime now = DateTime.Now;
ValueQT cacheValue = new ValueQT(now.Second, EnumQuality.GOOD, now);
request.Value = cacheValue;
request.Result = EnumResultCode.S_OK;
} // end if ... else
}
else
{
// get property value
// get the value from the address space element
element.GetPropertyValue(request);
} // end if ... else
} // end if ... else
} // end if
} // end for
return(CompleteRequests());
} // end HandleReadRequests