public Iec61850State()
{
DataModel = new Iec61850Model(this);
CaptureDb = new MMSCaptureDb(this);
iso = new IsoLayers(this);
OutstandingCalls = new ConcurrentDictionary <int, NodeBase[]>(2, 10);
Controller = new Iec61850Controller(this, DataModel);
}
private void WorkerThreadProc(object obj)
{
SCLServer self = (SCLServer)obj;
logger.LogInfo(String.Format("SCL Server " + sclModel.iec.Name + " - Creating model. It takes a while..."));
IedModel model = makeIecModel();
server = new IedServer(model);
InitializeValues(sclModel.iec);
server.Start(tcpPort);
//Thread.Sleep(100);
if (!server.isRunning())
{
logger.LogError(String.Format("SCL Server " + sclModel.iec.Name + " Failed at port " + tcpPort.ToString() + "!!!"));
self._run = false;
}
else
{
logger.LogInfo(String.Format("SCL Server " + sclModel.iec.Name + " Started at port " + tcpPort.ToString() + "!!!"));
}
while (self._run)
{
int waitres = WaitHandle.WaitAny(_waitHandles, 500);
switch (waitres)
{
case 0: // endthread
self._run = false;
break;
case WaitHandle.WaitTimeout:
if (!server.isRunning()) //logger.LogInfo("Server not running???");
{
self._run = false;
}
break;
}
}
server.Stop();
resetModelObjects(sclModel.iec);
server.Dispose();
server = null;
model.Dispose();
model = null;
sclModel = null;
logger.LogInfo(String.Format("SCL Server Stopped"));
}
/// <summary>
/// Reads through the SCL file and looks for data sets and reports
/// </summary>
/// <param name="filename"></param>
private void GetDataSetsAndReports(String filename, Iec61850Model _dataModel)
{
var reader = new XmlTextReader(filename);
var iedName = "";
var deviceName = "";
var lnName = "";
_dataModel.lists = new NodeIed("lists", _dataModel);
_dataModel.urcbs = new NodeIed("reports", _dataModel);
while (reader.Read())
{
if (reader.IsStartElement())
{
NodeBase parent;
switch (reader.Name)
{
case "IED":
iedName = reader.GetAttribute("name");
break;
case "LDevice":
deviceName = reader.GetAttribute("inst");
break;
case "LN0":
lnName = String.Concat(reader.GetAttribute("prefix"), reader.GetAttribute("lnClass"),
reader.GetAttribute("inst"));
break;
case "LN":
lnName = String.Concat(reader.GetAttribute("prefix"), reader.GetAttribute("lnClass"),
reader.GetAttribute("inst"));
break;
case "DataSet":
parent = _dataModel.lists.AddChildNode(new NodeBase(String.Concat(iedName, deviceName))); // will return if already exists
parent.AddChildNode(CreateDataSet(reader.ReadSubtree(), lnName, deviceName, _dataModel));
break;
case "ReportControl":
parent = _dataModel.urcbs.AddChildNode(new NodeBase(String.Concat(iedName, deviceName))); // will return if already exists
parent.AddChildNode(CreateReport(reader.ReadSubtree(), lnName, deviceName));
break;
}
}
}
}
public Iec61850Controller(Iec61850State iecs, Iec61850Model model)
{
this.iecs = iecs;
this.model = model;
}
public NodeIed(string Name, Iec61850Model _model)
: base(Name)
{
model = _model;
}
/// <summary>
/// Reads through a data set subtree and creates a data set node from it
/// </summary>
/// <param name="reader"></param>
/// <param name="nodeName"></param>
/// <param name="deviceName"></param>
/// <returns> a VL node </returns>
private NodeVL CreateDataSet(XmlReader reader, string nodeName, string deviceName, Iec61850Model _dataModel)
{
reader.Read();
var nodeVL = new NodeVL(String.Concat(nodeName, "$", reader.GetAttribute("name")));
var test = reader.GetAttribute("name");
while (reader.Read())
{
if (reader.IsStartElement() && reader.Name.Equals("FCDA"))
{
var prefix = reader.GetAttribute("prefix");
var lnClass = reader.GetAttribute("lnClass");
var lnInst = reader.GetAttribute("lnInst");
var fullName = String.Concat(prefix, lnClass, lnInst);
var ldInst = reader.GetAttribute("ldInst");
var doName = reader.GetAttribute("doName");
var fc = reader.GetAttribute("fc");
var nodeData = _dataModel.ied.AddChildNode(new NodeLD(String.Concat(_dataModel.ied.Name, ldInst)))
.AddChildNode(new NodeLN(fullName))
.AddChildNode(new NodeFC(fc)).AddChildNode(new NodeData(doName));
nodeVL.ForceLinkChildNode(nodeData);
}
}
return(nodeVL);
}
public int Start(Iec61850Model model, int port)
{
sclModel = model;
tcpPort = port;
return(StartInternal(new ParameterizedThreadStart(WorkerThreadProc)));
}
/// <summary>
/// Reads through a report subtree and creates a report from it
/// </summary>
/// <param name="reader"></param>
/// <param name="nodeName"></param>
/// <param name="deviceName"></param>
/// <returns> a RP node </returns>
private void CreateReports(NodeBase lnode, IEnumerable <XElement> elements, XNamespace ns)
{
if (lnode == null || elements == null || lnode.Parent == null || lnode.Parent.Parent == null)
{
Logger.getLogger().LogError("CreateReports: Something is null");
}
// We are at the LN level, up 2 levels is an ied
Iec61850Model _dataModel = (lnode.Parent.Parent as NodeIed).Model;
foreach (XElement el in elements)
{
List <NodeRCB> nodeRCBs = new List <NodeRCB>();
XAttribute a = el.Attribute("buffered");
bool buffered = a != null ? (a.Value.ToLower() == "true") : false;
string fc = buffered ? "BR" : "RP";
a = el.Attribute("indexed");
bool indexed = a != null ? (a.Value.ToLower() == "true") : true; // default true???
uint maxRptEnabled = 1;
XElement xeRptEnabled = el.Element(ns + "RptEnabled");
if (xeRptEnabled != null)
{
a = xeRptEnabled.Attribute("max");
try { maxRptEnabled = uint.Parse(a.Value); }
catch { }
}
// correction necessary???
if (!indexed)
{
maxRptEnabled = 1;
}
if (maxRptEnabled < 1)
{
maxRptEnabled = 1;
}
if (maxRptEnabled > 99)
{
maxRptEnabled = 99;
}
for (int i = 0; i < maxRptEnabled; i++)
{
nodeRCBs.Add(new NodeRCB(el.Attribute("name").Value + (indexed ? (i + 1).ToString("D2") : "")));
lnode.AddChildNode(nodeRCBs[i]);
nodeRCBs[i].isBuffered = buffered;
}
// rptID
NodeData RptId = new NodeData("RptID");
RptId.SCL_FCDesc = fc;
RptId.DataType = scsm_MMS_TypeEnum.visible_string;
a = el.Attribute("rptID");
RptId.DataValue = a != null ? a.Value : "";
// datSet
NodeData DatSet = new NodeData("DatSet");
DatSet.SCL_FCDesc = fc;
DatSet.DataType = scsm_MMS_TypeEnum.visible_string;
a = el.Attribute("datSet");
DatSet.DataValue = a != null ? a.Value : null; // null accepted
// confRev
NodeData ConfRev = new NodeData("ConfRev");
ConfRev.SCL_FCDesc = fc;
ConfRev.DataType = scsm_MMS_TypeEnum.unsigned;
a = el.Attribute("confRev");
try
{
ConfRev.DataValue = uint.Parse(a.Value);
}
catch
{
ConfRev.DataValue = (uint)1;
}
// bufTime
NodeData BufTm = new NodeData("BufTm");
BufTm.SCL_FCDesc = fc;
BufTm.DataType = scsm_MMS_TypeEnum.unsigned;
a = el.Attribute("bufTime");
try
{
BufTm.DataValue = uint.Parse(a.Value);
}
catch
{
BufTm.DataValue = (uint)0;
}
// intgPd
NodeData IntgPd = new NodeData("IntgPd");
IntgPd.SCL_FCDesc = fc;
IntgPd.DataType = scsm_MMS_TypeEnum.unsigned;
a = el.Attribute("intgPd");
try
{
IntgPd.DataValue = uint.Parse(a.Value);
}
catch
{
IntgPd.DataValue = (uint)0;
}
// <TrgOps dchg="true" qchg="false" dupd="false" period="true" />
NodeData TrgOps = new NodeData("TrgOps");
TrgOps.SCL_FCDesc = fc;
TrgOps.DataType = scsm_MMS_TypeEnum.integer;
IEC61850.Common.TriggerOptions trgOptions = IEC61850.Common.TriggerOptions.NONE;
XElement xeTrgOps = el.Element(ns + "TrgOps");
if (xeTrgOps != null)
{
a = xeTrgOps.Attribute("dchg");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
trgOptions |= IEC61850.Common.TriggerOptions.DATA_CHANGED;
}
a = xeTrgOps.Attribute("qchg");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
trgOptions |= IEC61850.Common.TriggerOptions.QUALITY_CHANGED;
}
a = xeTrgOps.Attribute("dupd");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
trgOptions |= IEC61850.Common.TriggerOptions.DATA_UPDATE;
}
a = xeTrgOps.Attribute("period");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
trgOptions |= IEC61850.Common.TriggerOptions.INTEGRITY;
}
a = xeTrgOps.Attribute("gi");
if ((a != null ? a.Value : "true").ToLower() == "true") // default true
{
trgOptions |= IEC61850.Common.TriggerOptions.GI;
}
}
TrgOps.DataValue = trgOptions;
// <OptFields seqNum="true" timeStamp="true" dataSet="true" reasonCode="true" dataRef="false" entryID="true" configRef="true" bufOvfl="true" />
NodeData OptFlds = new NodeData("OptFlds");
OptFlds.SCL_FCDesc = fc;
OptFlds.DataType = scsm_MMS_TypeEnum.integer;
IEC61850.Common.ReportOptions rptOptions = IEC61850.Common.ReportOptions.NONE;
XElement xeOptFields = el.Element(ns + "OptFields");
if (xeOptFields != null)
{
a = xeOptFields.Attribute("seqNum");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.SEQ_NUM;
}
a = xeOptFields.Attribute("timeStamp");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.TIME_STAMP;
}
a = xeOptFields.Attribute("dataSet");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.DATA_SET;
}
a = xeOptFields.Attribute("reasonCode");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.REASON_FOR_INCLUSION;
}
a = xeOptFields.Attribute("dataRef");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.DATA_REFERENCE;
}
a = xeOptFields.Attribute("entryID");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.ENTRY_ID;
}
a = xeOptFields.Attribute("configRef");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.CONF_REV;
}
a = xeOptFields.Attribute("bufOvfl");
if ((a != null ? a.Value : "false").ToLower() == "true")
{
rptOptions |= IEC61850.Common.ReportOptions.BUFFER_OVERFLOW;
}
}
OptFlds.DataValue = rptOptions;
for (int i = 0; i < maxRptEnabled; i++)
{
nodeRCBs[i].AddChildNode(RptId);
nodeRCBs[i].AddChildNode(DatSet);
nodeRCBs[i].AddChildNode(ConfRev);
nodeRCBs[i].AddChildNode(OptFlds);
nodeRCBs[i].AddChildNode(BufTm);
nodeRCBs[i].AddChildNode(TrgOps);
nodeRCBs[i].AddChildNode(IntgPd);
}
}
}
void makeIedModelFromIecModel(Iec61850Model model, NodeBase iec)
{
foreach (NodeBase child in iec.GetChildNodes())
{
if ((child is NodeData && !(child is NodeDO)) || child is NodeVLM)
{
// First DataAttribute child
// Create the whole path down to Ied
List <NodeBase> path = new List <NodeBase>();
NodeBase nb = child.Parent;
while (nb != null && !(nb is NodeIed))
{
path.Add(nb);
nb = nb.Parent;
}
NodeBase subtree = model.ied;
string fc = "";
if (child is NodeData && !(child is NodeDO))
{
fc = (child as NodeData).SCL_FCDesc;
if (String.IsNullOrEmpty(fc))
{
logger.LogError("FC is empty for DataAttribute: " + child.IecAddress);
continue;
}
}
path.Reverse();
foreach (NodeBase pnb in path)
{
if (pnb is NodeLD)
{
subtree = subtree.AddChildNode(new NodeLD(pnb.Name));
}
else if (pnb is NodeLN)
{
subtree = subtree.AddChildNode(new NodeLN(pnb.Name));
// Inserting the FC level
if (!String.IsNullOrEmpty(fc)) // due to VLM
{
subtree = subtree.AddChildNode(new NodeFC(fc));
}
}
else if (pnb is NodeDO)
{
subtree = subtree.AddChildNode(new NodeDO(pnb.Name));
}
else if (pnb is NodeRCB)
{
subtree = subtree.AddChildNode(new NodeRCB(pnb.Name));
(subtree as NodeRCB).isBuffered = (pnb as NodeRCB).isBuffered;
if ((pnb as NodeRCB).isBuffered)
{
model.brcbs.AddChildNode(new NodeLD(path[0].Name)).LinkChildNodeByName(subtree);
}
else
{
model.urcbs.AddChildNode(new NodeLD(path[0].Name)).LinkChildNodeByName(subtree);
}
}
else if (pnb is NodeVL)
{
//subtree = subtree.AddChildNode(new NodeVL(pnb.Name));
model.lists.AddChildNode(new NodeLD(path[0].Name)).LinkChildNodeByName(pnb);
}
}
if (!(child is NodeVLM))
{
subtree.LinkChildNodeByName(child);
}
else
{
// Fill the gap -> find the link for VLM nodes
(child as NodeVLM).LinkedNode = model.iec.FindSubNode(child.Name);
if ((child as NodeVLM).LinkedNode == null)
{
logger.LogWarning("DataSet " + child.Parent.IecAddress + ": node " + child.Name + " not found in the model!");
}
}
}
else
{
// Recursive call
makeIedModelFromIecModel(model, child);
}
}
}