} // end constructor
public override int HandleReadRequests()
{
int count = Requests.Count;
for (int i = 0; i < count; i++)
{
DaRequest request = (DaRequest)Requests[i];
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 for
return(CompleteRequests());
} // end HandleReadRequests
} // 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 addAddressSpaceElement
protected void ChangeSimulationValuesNode(MyDaAddressSpaceElement node)
{
System.Collections.ArrayList nodeChildren;
nodeChildren = node.GetChildren();
foreach (MyDaAddressSpaceElement child in nodeChildren)
{
if (child.HasChildren)
{
ChangeSimulationValuesNode(child);
}
else if (child.IsChanging)
{
if (!ResultCode.SUCCEEDED(child.changeValue()))
{
Trace(EnumTraceLevel.ERR,
EnumTraceGroup.ALL,
"OpcServer::ChangeSimulationValuesNode",
"Error in changing value. Data type unknown");
}
}
}
} // end ChangeSimulationValuesNode
} // end parseConfigFile
protected int addAddressSpaceElement()
{
Type dataType;
EnumAccessRights accessRights;
MyDaAddressSpaceElement parent;
bool isChanging;
bool isArray;
bool hasChildren;
//String tempParentID;
if (m_currentLine[4] == "true")
{
isArray = true;
}
else
{
isArray = false;
}
switch (m_currentLine[2])
{
case "UI1":
case "BYTE":
if (isArray)
{
dataType = typeof(System.Byte[]);
}
else
{
dataType = typeof(System.Byte);
}
break;
case "CHAR":
if (isArray)
{
dataType = typeof(System.SByte[]);
}
else
{
dataType = typeof(System.SByte);
}
break;
case "UI2":
case "WORD":
if (isArray)
{
dataType = typeof(System.UInt16[]);
}
else
{
dataType = typeof(System.UInt16);
}
break;
case "INT":
if (isArray)
{
dataType = typeof(System.Int16[]);
}
else
{
dataType = typeof(System.Int16);
}
break;
case "UI4":
case "DWORD":
if (isArray)
{
dataType = typeof(System.UInt32[]);
}
else
{
dataType = typeof(System.UInt32);
}
break;
case "DINT":
if (isArray)
{
dataType = typeof(System.Int32[]);
}
else
{
dataType = typeof(System.Int32);
}
break;
case "REAL":
case "FLOAT":
if (isArray)
{
dataType = typeof(float[]);
}
else
{
dataType = typeof(float);
}
//dataType = typeof(System.Double);
break;
case "BOOL":
if (isArray)
{
dataType = typeof(System.Boolean[]);
}
else
{
dataType = typeof(System.Boolean);
}
break;
case "DATE_AND_TIME":
if (isArray)
{
dataType = typeof(System.DateTime[]);
}
else
{
dataType = typeof(System.DateTime);
}
break;
case "STRING":
if (isArray)
{
dataType = typeof(System.String[]);
}
else
{
dataType = typeof(System.String);
}
break;
case "NONE":
dataType = null;
break;
default:
dataType = null;
break;
} //end switch data type
switch (m_currentLine[3])
{
case "NONE":
accessRights = EnumAccessRights.READABLE;
break;
case "R":
accessRights = EnumAccessRights.READABLE;
break;
case "W":
accessRights = EnumAccessRights.WRITEABLE;
break;
case "RW":
accessRights = EnumAccessRights.READWRITEABLE;
break;
default:
accessRights = EnumAccessRights.READABLE;
break;
} // end switch access rights
if (m_currentLine[6] == "true")
{
isChanging = true;
}
else
{
isChanging = false;
}
if (m_currentLine[5] == "true")
{
hasChildren = true;
}
else
{
hasChildren = false;
}
m_daElement = (MyDaAddressSpaceElement)m_creator.CreateMyDaAddressSpaceElement();
m_daElement.ItemId = m_currentLine[0];
m_daElement.Name = m_currentLine[1];
m_daElement.AccessRights = accessRights;
m_daElement.Datatype = dataType;
m_daElement.IsChanging = isChanging;
m_daElement.IoMode = EnumIoMode.REPORT;
m_daElement.HasChildren = hasChildren;
//determine parent
if (m_currentLine[9] == "")
{
if (!m_daRoot.AddChild(m_daElement))
{
Trace(EnumTraceLevel.ERR,
EnumTraceGroup.ALL,
"OpcServer::addAddressSpaceElement",
"Error in adding child to root node");
return((int)EnumResultCode.E_FAIL);
}
}
else
{
//tempParentID = m_currentLine[9];
//tempParentID.Replace('/', '.');
if (m_parentHash.ContainsKey(m_currentLine[9]))
{
parent = (MyDaAddressSpaceElement)m_parentHash[m_currentLine[9]];
if (!parent.AddChild(m_daElement))
{
Trace(EnumTraceLevel.ERR,
EnumTraceGroup.ALL,
"OpcServer::addAddressSpaceElement",
"Error in adding child to his parent");
return((int)EnumResultCode.E_FAIL);
}
}
else
{
Trace(EnumTraceLevel.ERR,
EnumTraceGroup.ALL,
"OpcServer::addAddressSpaceElement",
"Cannot find parent in hashmap");
return((int)EnumResultCode.E_FAIL);
}
}
if (m_daElement.HasChildren)
{
m_parentHash.Add(m_daElement.ItemId, m_daElement);
}
else
{
if (!ResultCode.SUCCEEDED(m_daElement.SetInitialValue(m_currentLine[7], m_currentLine[8])))
{
Trace(EnumTraceLevel.ERR,
EnumTraceGroup.ALL,
"OpcServer::parseConfigFile",
"Error in setting initial value. Data type unknown");
return((int)EnumResultCode.E_FAIL);
}
}
return((int)EnumResultCode.S_OK);
} //end addAddressSpaceElement
