/// <summary>Get the directory of a logical node (LN)</summary>
/// <description>This function returns the directory contents of a LN. Depending on the provided ACSI class
/// The function returns either data object references, or references of other objects like data sets,
/// report control blocks, ...</description>
/// <param name="logicalNodeName">The object reference of a DO, SDO, or DA.</param>
/// <param name="acsiClass">the ACSI class of the requested directory elements.</param>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public List <string> GetLogicalNodeDirectory(string logicalNodeName, ACSIClass acsiClass)
{
int error;
IntPtr linkedList = IedConnection_getLogicalNodeDirectory(connection, out error, logicalNodeName, (int)acsiClass);
if (error != 0)
{
throw new IedConnectionException("GetLogicalNodeDirectory failed", error);
}
IntPtr element = LinkedList_getNext(linkedList);
List <string> newList = new List <string> ();
while (element != IntPtr.Zero)
{
string dataObject = Marshal.PtrToStringAnsi(LinkedList_getData(element));
newList.Add(dataObject);
element = LinkedList_getNext(element);
}
LinkedList_destroy(linkedList);
return(newList);
}
/// <summary>Get the directory of a logical node (LN)</summary>
/// <description>This function returns the directory contents of a LN. Depending on the provided ACSI class
/// The function returns either data object references, or references of other objects like data sets,
/// report control blocks, ...</description>
/// <param name="logicalNodeName">The object reference of a DO, SDO, or DA.</param>
/// <param name="acsiClass">the ACSI class of the requested directory elements.</param>
/// <exception cref="IedConnectionException">This exception is thrown if there is a connection or service error</exception>
public List<string> GetLogicalNodeDirectory(string logicalNodeName, ACSIClass acsiClass)
{
int error;
IntPtr linkedList = IedConnection_getLogicalNodeDirectory (connection, out error, logicalNodeName, (int)acsiClass);
if (error != 0)
throw new IedConnectionException ("GetLogicalNodeDirectory failed", error);
IntPtr element = LinkedList_getNext (linkedList);
List<string> newList = new List<string> ();
while (element != IntPtr.Zero) {
string dataObject = Marshal.PtrToStringAnsi (LinkedList_getData (element));
newList.Add (dataObject);
element = LinkedList_getNext (element);
}
LinkedList_destroy (linkedList);
return newList;
}
