} // 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)
{
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 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
} // end ProcessCommandLine
public int BuildAddressSpace()
{
try
{
MyDaAddressSpaceElement tag, node;
tag = new MyDaAddressSpaceElement();
tag.Name = "accept";
tag.Type = MyDaAddressSpaceElement.TYPE_ACCEPT;
tag.AccessRights = EnumAccessRights.READWRITEABLE;
tag.Datatype = typeof(Int32);
tag.IoMode = EnumIoMode.POLL;
Application.Instance.DaAddressSpaceRoot.AddChild(tag);
node = new MyDaAddressSpaceElement();
node.Name = "maths";
node.Type = MyDaAddressSpaceElement.TYPE_NODEMATH;
node.IoMode = EnumIoMode.NONE;
node.HasChildren = true;
Application.Instance.DaAddressSpaceRoot.AddChild(node);
g_sin = new MyDaAddressSpaceElement();
g_sin.Name = "sin";
g_sin.Type = MyDaAddressSpaceElement.TYPE_SINE;
g_sin.AccessRights = EnumAccessRights.READABLE;
g_sin.Datatype = typeof(double);
g_sin.IoMode = EnumIoMode.REPORT;
node.AddChild(g_sin);
g_sin.SetEUInfoAnalog(-1.0, 1.0);
DaProperty property = new DaProperty();
property.Id = 6020;
property.Name = "Angle";
property.Description = "Angle Description";
property.ItemId = property.Name;
property.Datatype = typeof(short);
property.AccessRights = EnumAccessRights.READWRITEABLE;
g_sin.AddProperty(property);
node = new MyDaAddressSpaceElement();
node.Name = "random";
node.Type = MyDaAddressSpaceElement.TYPE_NODERANDOM;
node.IoMode = EnumIoMode.NONE;
node.HasChildren = true;
Application.Instance.DaAddressSpaceRoot.AddChild(node);
g_rand100ms = new MyDaAddressSpaceElement();
g_rand100ms.Name = "100ms";
g_rand100ms.Type = MyDaAddressSpaceElement.TYPE_RANDOM_100MS;
g_rand100ms.AccessRights = EnumAccessRights.READABLE;
g_rand100ms.Datatype = typeof(Int32);
g_rand100ms.IoMode = EnumIoMode.REPORT;
node.AddChild(g_rand100ms);
g_rand1s = new MyDaAddressSpaceElement();
g_rand1s.Name = "1s";
g_rand1s.Type = MyDaAddressSpaceElement.TYPE_RANDOM_1S;
g_rand1s.AccessRights = EnumAccessRights.READABLE;
g_rand1s.Datatype = typeof(Int32);
g_rand1s.IoMode = EnumIoMode.REPORT;
node.AddChild(g_rand1s);
// AE
MyAeAddressSpaceElement computer = new MyAeAddressSpaceElement();
computer.Name = "computer";
computer.HasChildren = true;
Application.Instance.AeAddressSpaceRoot.AddChild(computer);
MyAeAddressSpaceElement clock = new MyAeAddressSpaceElement();
clock.Name = "clock";
clock.HasChildren = true;
computer.AddChild(clock);
MyAeAddressSpaceElement timer = new MyAeAddressSpaceElement();
timer.Name = "timer";
timer.HasChildren = false;
clock.AddChild(timer);
timer = new MyAeAddressSpaceElement();
timer.Name = "time slot 1";
timer.HasChildren = false;
clock.AddChild(timer);
}
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