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Scsm_MMS.cs
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Scsm_MMS.cs
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/*
* Copyright (C) 2013 Pavel Charvat
*
* This file is part of IEDExplorer.
*
* IEDExplorer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* IEDExplorer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with IEDExplorer. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using org.bn.attributes;
using org.bn.attributes.constraints;
using org.bn.coders;
using org.bn.types;
using org.bn;
using MMS_ASN1_Model;
using System.IO;
using System.Text;
namespace IEDExplorer
{
class Scsm_MMS
{
// Protocol IEC6850 - definitions
// OptFlds - report Optional Fields
// 1st Byte
const byte OptFldsReserved = 0x80; // bit "0" in MMS interpretation
const byte OptFldsSeqNum = 0x40;
const byte OptFldsTimeOfEntry = 0x20;
const byte OptFldsReasonCode = 0x10;
const byte OptFldsDataSet = 0x08;
const byte OptFldsDataReference = 0x04;
const byte rptOptsOvfl = 0x02;
const byte OptFldsEntryID = 0x01;
// 2nd Byte
const byte OptFldsConfRev = 0x80;
const byte OptFldsMoreSegments = 0x40; // bit "10" in MMS interpretation
// TrgOps - report Trigger Options
const byte TrgOpsReserved = 0x80; // bit "0" in MMS interpretation
const byte TrgOpsDataChange = 0x40;
const byte TrgOpsQualChange = 0x20;
const byte TrgOpsDataActual = 0x10;
const byte TrgOpsIntegrity = 0x08;
const byte TrgOpsGI = 0x04; // bit "6" in MMS interpretation
// DatQual - Data Quality Codes
const byte DatQualValidity0 = 0x80; // bit "0" in MMS interpretation
const byte DatQualValidity1 = 0x40;
const byte DatQualOverflow = 0x20;
const byte DatQualOutOfRange = 0x10;
const byte DatQualBadReference = 0x08;
const byte DatQualOscillatory = 0x04;
const byte DatQualFailure = 0x02;
const byte DatQualOldData = 0x01;
// 2nd Byte
const byte DatQualInconsistent = 0x80;
const byte DatQualInaccurate = 0x40;
const byte DatQualSource = 0x20;
const byte DatQualTest = 0x10;
const byte DatQualOperatorBlocked = 0x08; // bit "12" in MMS interpretation
// TimQual - Time Quality Codes
const byte TimQualExtraSeconds = 0x80; // bit "0" in MMS interpretation
const byte TimQualTimeBaseErr = 0x40;
const byte TimQualNotSynchronized = 0x20; // bit "2". Bits 3-7=time precision encoding
// Report Reading Phases
const int phsRptID = 0;
const int phsOptFlds = 1;
const int phsSeqNum = 2;
const int phsTimeOfEntry = 3;
const int phsDatSet = 4;
const int phsBufOvfl = 5;
const int phsEntryID = 6;
const int phsConfRev = 7;
const int phsSubSeqNr = 8;
const int phsMoreSegmentsFollow = 9;
const int phsInclusionBitstring = 10;
const int phsDataReferences = 11;
const int phsValues = 12;
const int phsReasonCodes = 13;
IDecoder decoder = CoderFactory.getInstance().newDecoder("BER");
IEncoder encoder = CoderFactory.getInstance().newEncoder("BER");
Unsigned32 InvokeID = new Unsigned32();
public int ReceiveData(Iec61850State iecs)
{
iecs.logger.LogDebug("mms.ReceiveData: ");
long pos = iecs.msMMS.Position;
byte[] b = iecs.msMMS.ToArray();
string s = "";
for (long i = pos; i < b.Length; i++)
s += String.Format("0x{0:x} ", b[i]);
iecs.logger.LogDebug(s);
//Console.WriteLine();
// kvuli breaku
// if (iecs.istate == Iec61850lStateEnum.IEC61850_READ_MODEL_DATA_WAIT)
// Console.WriteLine("Ahoj");
if (iecs == null)
return -1;
MMSpdu mymmspdu = null;
try
{
mymmspdu = decoder.decode<MMSpdu>(iecs.msMMS);
}
catch (Exception e)
{
iecs.logger.LogError("mms.ReceiveData: Malformed MMS Packet received!!!: " + e.Message);
}
if (mymmspdu == null)
{
iecs.logger.LogError("mms.ReceiveData: Parsing Error!");
return -1;
}
else if (mymmspdu.Confirmed_ResponsePDU != null && mymmspdu.Confirmed_ResponsePDU.Service != null)
{
iecs.logger.LogDebug("mymmspdu.Confirmed_ResponsePDU.Service exists!");
if (mymmspdu.Confirmed_ResponsePDU.Service.Identify != null)
{
ReceiveIdentify(iecs, mymmspdu.Confirmed_ResponsePDU.Service.Identify);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.GetNameList != null)
{
ReceiveGetNameList(iecs, mymmspdu.Confirmed_ResponsePDU.Service.GetNameList);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.GetVariableAccessAttributes != null)
{
ReceiveGetVariableAccessAttributes(iecs, mymmspdu.Confirmed_ResponsePDU.Service.GetVariableAccessAttributes);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.GetNamedVariableListAttributes != null)
{
ReceiveGetNamedVariableListAttributes(iecs, mymmspdu.Confirmed_ResponsePDU.Service.GetNamedVariableListAttributes);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.Read != null)
{
ReceiveRead(iecs, mymmspdu.Confirmed_ResponsePDU.Service.Read);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.DefineNamedVariableList != null)
{
ReceiveDefineNamedVariableList(iecs, mymmspdu.Confirmed_ResponsePDU.Service.DefineNamedVariableList);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.FileDirectory != null)
{
ReceiveFileDirectory(iecs, mymmspdu.Confirmed_ResponsePDU.Service.FileDirectory);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.FileOpen != null)
{
ReceiveFileOpen(iecs, mymmspdu.Confirmed_ResponsePDU.Service.FileOpen);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.FileRead != null)
{
ReceiveFileRead(iecs, mymmspdu.Confirmed_ResponsePDU.Service.FileRead);
}
else if (mymmspdu.Confirmed_ResponsePDU.Service.FileClose != null)
{
ReceiveFileClose(iecs, mymmspdu.Confirmed_ResponsePDU.Service.FileClose);
}
}
else if (mymmspdu.Unconfirmed_PDU != null && mymmspdu.Unconfirmed_PDU.Service != null && mymmspdu.Unconfirmed_PDU.Service.InformationReport != null)
{
ReceiveInformationReport(iecs, mymmspdu.Unconfirmed_PDU.Service.InformationReport);
}
else if (mymmspdu.RejectPDU != null)
{
iecs.logger.LogError("RejectPDU received - requested operation rejected!!");
}
else if (mymmspdu.Confirmed_ErrorPDU != null)
{
iecs.logger.LogError("Confirmed_ErrorPDU received - requested operation not possible!!");
}
else
{
iecs.logger.LogError("Not implemented PDU received!!");
}
return 0;
}
private void ReceiveFileDirectory(Iec61850State iecs, FileDirectory_Response dir)
{
iecs.logger.LogInfo("FileDirectory PDU received!!");
if (dir.ListOfDirectoryEntry != null)
{
foreach (DirectoryEntry de in dir.ListOfDirectoryEntry)
{
if (de.FileName != null)
{
IEnumerator<string> en = de.FileName.Value.GetEnumerator();
en.MoveNext();
string name = en.Current;
bool isdir = false;
//if (de.FileAttributes.SizeOfFile.Value == 0)
if (name.EndsWith("/") || name.EndsWith("\\"))
{
isdir = true;
name = name.Substring(0, name.Length - 1);
}
NodeFile nf = new NodeFile(name, isdir);
nf.ReportedSize = de.FileAttributes.SizeOfFile.Value;
(iecs.lastOperationData[0]).AddChildNode(nf);
//iecs.logger.LogInfo("FileName: " + name);
}
else
iecs.logger.LogInfo("Empty FileName in FileDirectory PDU!!");
}
if (iecs.lastOperationData[0] is NodeFile)
(iecs.lastOperationData[0] as NodeFile).FileReady = true;
iecs.fstate = FileTransferState.FILE_DIRECTORY;
}
else
iecs.logger.LogInfo("No file in FileDirectory PDU!!");
}
private void ReceiveFileOpen(Iec61850State iecs, FileOpen_Response fileopn)
{
iecs.logger.LogInfo("FileOpen PDU received!!");
if (iecs.lastOperationData[0] is NodeFile)
{
(iecs.lastOperationData[0] as NodeFile).frsmId = fileopn.FrsmID.Value;
iecs.fstate = FileTransferState.FILE_OPENED;
iecs.logger.LogInfo("FileOpened: " + (iecs.lastOperationData[0] as NodeFile).FullName +
" Size: " + fileopn.FileAttributes.SizeOfFile.Value.ToString());
}
}
private void ReceiveFileRead(Iec61850State iecs, FileRead_Response filerd)
{
iecs.logger.LogInfo("FileRead PDU received!!");
if (iecs.lastOperationData[0] is NodeFile)
{
(iecs.lastOperationData[0] as NodeFile).AppendData(filerd.FileData);
if (filerd.MoreFollows)
iecs.fstate = FileTransferState.FILE_READ;
else
{
iecs.fstate = FileTransferState.FILE_COMPLETE;
(iecs.lastOperationData[0] as NodeFile).FileReady = true;
}
}
}
private void ReceiveFileClose(Iec61850State iecs, FileClose_Response filecls)
{
iecs.logger.LogInfo("FileClose PDU received!!");
iecs.fstate = FileTransferState.FILE_NO_ACTION;
}
private void ReceiveDefineNamedVariableList(Iec61850State iecs, DefineNamedVariableList_Response dnvl)
{
(iecs.lastOperationData[0] as NodeVL).Defined = true;
}
private void ReceiveInformationReport(Iec61850State iecs, InformationReport Report)
{
string rptName, datName = null, varName;
byte[] rptOpts = new byte[] { 0, 0 };
byte[] incBstr = new byte[] { 0 };
List<AccessResult> list;
int phase = phsRptID;
int datanum = 0;
int datacnt = 0;
iecs.logger.LogDebug("Report != null");
if (Report.VariableAccessSpecification != null && Report.VariableAccessSpecification.VariableListName != null &&
Report.VariableAccessSpecification.VariableListName.Vmd_specific != null)
{
iecs.logger.LogDebug("Report.VariableAccessSpecification.VariableListName.Vmd_specific = " + Report.VariableAccessSpecification.VariableListName.Vmd_specific.Value);
if (Report.VariableAccessSpecification.VariableListName.Vmd_specific.Value == "RPT")
{
if (Report.ListOfAccessResult != null)
{
iecs.logger.LogDebug("Report.ListOfAccessResult != null");
list = (List<AccessResult>)Report.ListOfAccessResult;
for (int i = 0; i < list.Count; i++)
{
if (list[i].Success != null)
{
if (phase == phsRptID)
{ // Is this phase active??
phase++;
if (list[i].Success.isVisible_stringSelected())
{
rptName = list[i].Success.Visible_string;
iecs.logger.LogDebug("Report Name = " + rptName);
continue;
}
}
if (phase == phsOptFlds)
{ // Is this phase active??
phase++;
if (list[i].Success.isBit_stringSelected())
{
rptOpts = list[i].Success.Bit_string.Value;
iecs.logger.LogDebug("Report Optional Fields = " + rptOpts[0].ToString());
continue;
}
}
if (phase == phsSeqNum)
{
phase++;
// Is this phase active, e.g. is this bit set in OptFlds??
if ((rptOpts[0] & OptFldsSeqNum) != 0)
{
// No evaluation of Sequence Number
continue;
}
}
if (phase == phsTimeOfEntry)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[0] & OptFldsTimeOfEntry) != 0)
{
// No evaluation of Time Of Entry
continue;
}
}
if (phase == phsDatSet)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[0] & OptFldsDataSet) != 0)
if (list[i].Success.isVisible_stringSelected())
{
datName = list[i].Success.Visible_string;
iecs.logger.LogDebug("Report Data Set Name = " + datName);
continue;
}
}
if (phase == phsBufOvfl)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[0] & rptOptsOvfl) != 0)
{
// No evaluation of rptOptsOvfl
continue;
}
}
if (phase == phsEntryID)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[0] & OptFldsEntryID) != 0)
{
// No evaluation of OptFldsEntryID
continue;
}
}
if (phase == phsConfRev)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[1] & OptFldsConfRev) != 0)
{
// No evaluation of OptFldsConfRev
continue;
}
}
if (phase == phsSubSeqNr)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[1] & OptFldsMoreSegments) != 0)
{
// No evaluation of OptFldsMoreSegments
continue;
}
}
if (phase == phsMoreSegmentsFollow)
{ // Is this phase active, e.g. is this bit set in OptFlds??
phase++;
if ((rptOpts[1] & OptFldsMoreSegments) != 0)
{
// No evaluation of OptFldsMoreSegments
continue;
}
}
if (phase == phsInclusionBitstring)
{ // Is this phase active??
phase++;
if (list[i].Success.isBit_stringSelected())
{
incBstr = list[i].Success.Bit_string.Value;
int effbytes = incBstr.Length - (int)(list[i].Success.Bit_string.TrailBitsCnt / 8);
int effpadding = list[i].Success.Bit_string.TrailBitsCnt % 8;
for (int j = 0; j < effbytes; j++)
{
int l = 0x0;
if ((effpadding > 0) && (j + 1 == effbytes))
l = 1 << (effpadding - 1);
for (int k = 0x80; k > l; k = k >> 1)
{
if ((incBstr[j] & k) > 0) datanum++;
}
}
iecs.logger.LogDebug("Report Inclusion Bitstring = " + datanum.ToString());
continue;
}
}
if (phase == phsDataReferences)
{ // Is this phase active, e.g. is this bit set in OptFlds??
//phase++;
if ((rptOpts[0] & OptFldsDataReference) != 0)
{
if (list[i].Success.isVisible_stringSelected())
{
varName = list[i].Success.Visible_string;
iecs.logger.LogDebug("Report Variable Name = " + varName);
NodeBase b = iecs.ied.FindNodeByAddress(varName);
Data dataref = list[i + datanum].Success;
if (!(b is NodeFC))
// dataref = (dataref.Structure as List<Data>)[0];
if (list[i + datanum].Success != null)
recursiveReadData(iecs, dataref, b, NodeState.Reported);
datacnt++;
}
// Evaluation of OptFldsDataReference
if (datacnt == datanum)
break;
else
continue;
}
else
phase++;
}
// here we will be only if report is received without variable names
if (phase == phsValues)
{
// Report WIHOUT references:
// Need to investigate report members
NodeBase lvb = iecs.lists.FindNodeByAddress(datName, true);
if (lvb != null)
{
NodeBase[] nba = lvb.GetChildNodes();
//for (int j = 0; j < nba.Length; j++)
if (datacnt < nba.Length)
{
//if (included in phsInclusionBitstring string TODO
if (!(nba[datacnt] is NodeFC))
{
Data dataref = list[i].Success;
if (list[i].Success != null)
recursiveReadData(iecs, dataref, nba[datacnt], NodeState.Reported);
}
datacnt++;
}
else break;
// Evaluation of OptFldsDataReference
if (datacnt == datanum)
break;
else
continue;
}
}
}
}
}
}
}
}
private void ReceiveRead(Iec61850State iecs, Read_Response Read)
{
iecs.logger.LogDebug("Read != null");
if (Read.VariableAccessSpecification != null)
{
iecs.logger.LogDebug("Read.VariableAccessSpecification != null");
if (Read.VariableAccessSpecification.ListOfVariable != null)
{
iecs.logger.LogDebug("Read.VariableAccessSpecification.ListOfVariable != null");
if (Read.ListOfAccessResult != null)
{
if (Read.ListOfAccessResult.Count == Read.VariableAccessSpecification.ListOfVariable.Count)
{
IEnumerator<AccessResult> are = Read.ListOfAccessResult.GetEnumerator();
IEnumerator<VariableAccessSpecification.ListOfVariableSequenceType> vase = Read.VariableAccessSpecification.ListOfVariable.GetEnumerator();
while (are.MoveNext() && vase.MoveNext())
{
iecs.logger.LogDebug("Reading variable: " + vase.Current.VariableSpecification.Name.Domain_specific.ItemID.Value);
NodeBase b = (iecs.ied as NodeIed).FindNodeByAddress(vase.Current.VariableSpecification.Name.Domain_specific.DomainID.Value, vase.Current.VariableSpecification.Name.Domain_specific.ItemID.Value);
if (b != null)
{
iecs.logger.LogDebug("Node address: " + b.Address);
recursiveReadData(iecs, are.Current.Success, b, NodeState.Read);
}
//else
//iecs.logger.LogError("Node address not found!");
}
}
else
{
// Error
iecs.logger.LogError("Error reading variables, different count of Specifications and AccessResults!");
}
}
}
}
else // When VariableAccessSpecification is missing, try to read to actual variable
if (Read.ListOfAccessResult != null)
{
int i = 0;
// libiec61850 correction
// one read of a node is equal to separate reads to node children
if (Read.ListOfAccessResult.Count > iecs.lastOperationData.Length)
if (Read.ListOfAccessResult.Count == iecs.lastOperationData[0].GetChildNodes().Length)
{
iecs.lastOperationData = iecs.lastOperationData[0].GetChildNodes();
}
// libiec61850 correction end
foreach (AccessResult ar in Read.ListOfAccessResult)
{
if (i <= iecs.lastOperationData.GetUpperBound(0))
{
if (ar.Success != null)
{
iecs.logger.LogDebug("Reading Actual variable value: " + iecs.lastOperationData[i].Address);
recursiveReadData(iecs, ar.Success, iecs.lastOperationData[i], NodeState.Read);
i++;
}
}
else
iecs.logger.LogError("Not matching read structure in ReceiveRead");
}
iecs.lastOperationData = null;
}
if (iecs.istate == Iec61850lStateEnum.IEC61850_READ_MODEL_DATA_WAIT)
{
iecs.istate = Iec61850lStateEnum.IEC61850_READ_MODEL_DATA;
// if (iecs.ied.GetActualChildNode().GetActualChildNode().GetActualChildNode().NextActualChildNode() == null)
// {
if (iecs.ied.GetActualChildNode().GetActualChildNode().NextActualChildNode() == null)
{
if (iecs.ied.GetActualChildNode().NextActualChildNode() == null)
{
if (iecs.ied.NextActualChildNode() == null)
{
// End of loop
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_NAMED_VARIABLE_LIST;
iecs.logger.LogInfo("Reading named variable lists: [IEC61850_READ_NAMELIST_NAMED_VARIABLE_LIST]");
iecs.ied.ResetAllChildNodes();
}
}
}
//}
}
}
private void ReceiveGetNamedVariableListAttributes(Iec61850State iecs, GetNamedVariableListAttributes_Response GetNamedVariableListAttributes)
{
iecs.logger.LogDebug("GetNamedVariableListAttributes != null");
if (GetNamedVariableListAttributes.MmsDeletable)
(iecs.lists.GetActualChildNode().GetActualChildNode() as NodeVL).Deletable = true;
if (GetNamedVariableListAttributes.ListOfVariable != null)
{
iecs.logger.LogDebug("GetVariableAccessAttributes.ListOfVariable != null");
foreach (GetNamedVariableListAttributes_Response.ListOfVariableSequenceType v in GetNamedVariableListAttributes.ListOfVariable)
{
iecs.logger.LogDebug(String.Format("GetNameList.ListOfIdentifier: {0}/{1}", v.VariableSpecification.Name.Domain_specific.DomainID.Value, v.VariableSpecification.Name.Domain_specific.ItemID.Value));
//iecs.lists.GetActualChildNode().GetActualChildNode().AddChildNode(new NodeLD(v.VariableSpecification.Name.Domain_specific.ItemID.Value));
NodeBase b = (iecs.ied as NodeIed).FindNodeByAddress(v.VariableSpecification.Name.Domain_specific.DomainID.Value, v.VariableSpecification.Name.Domain_specific.ItemID.Value);
if (b != null)
{
iecs.lists.GetActualChildNode().GetActualChildNode().LinkChildNode(b);
}
}
iecs.istate = Iec61850lStateEnum.IEC61850_READ_ACCESSAT_NAMED_VARIABLE_LIST;
if (iecs.lists.GetActualChildNode().NextActualChildNode() == null)
{
if (iecs.lists.NextActualChildNode() == null)
{
// End of loop
iecs.istate = Iec61850lStateEnum.IEC61850_MAKEGUI;
iecs.logger.LogInfo("Init end: [IEC61850_FREILAUF]");
iecs.lists.ResetAllChildNodes();
//iecs.
}
}
}
}
private void ReceiveGetVariableAccessAttributes(Iec61850State iecs, GetVariableAccessAttributes_Response GetVariableAccessAttributes)
{
iecs.logger.LogDebug("GetVariableAccessAttributes != null");
if (GetVariableAccessAttributes.TypeDescription != null)
{
iecs.logger.LogDebug("GetVariableAccessAttributes.TypeDescription != null");
RecursiveReadTypeDescription(iecs, iecs.ied.GetActualChildNode().GetActualChildNode(),
GetVariableAccessAttributes.TypeDescription);
iecs.istate = Iec61850lStateEnum.IEC61850_READ_ACCESSAT_VAR;
if (iecs.ied.GetActualChildNode().NextActualChildNode() == null)
{
if (iecs.ied.NextActualChildNode() == null)
{
// End of loop
iecs.istate = Iec61850lStateEnum.IEC61850_READ_MODEL_DATA;
iecs.logger.LogInfo("Reading variable values: [IEC61850_READ_MODEL_DATA]");
iecs.ied.ResetAllChildNodes();
}
}
}
}
private void ReceiveGetNameList(Iec61850State iecs, GetNameList_Response GetNameList)
{
switch (iecs.istate)
{
case Iec61850lStateEnum.IEC61850_READ_NAMELIST_DOMAIN_WAIT:
foreach (Identifier i in GetNameList.ListOfIdentifier)
{
iecs.logger.LogDebug(String.Format("GetNameList.ListOfIdentifier: {0}", i.Value));
iecs.ied.AddChildNode(new NodeLD(i.Value));
iecs.continueAfter = null;
}
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_VAR;
iecs.logger.LogInfo("Reading variable names: [IEC61850_READ_NAMELIST_VAR]");
break;
case Iec61850lStateEnum.IEC61850_READ_NAMELIST_VAR_WAIT:
foreach (Identifier i in GetNameList.ListOfIdentifier)
{
iecs.logger.LogDebug("GetNameList.ListOfIdentifier: " + i.Value.ToString());
AddIecAddress(iecs, i.Value);
iecs.continueAfter = i;
}
iecs.logger.LogDebug("GetNameList.MoreFollows: " + GetNameList.MoreFollows.ToString());
if (GetNameList.MoreFollows)
//if (GetNameList.ListOfIdentifier.Count > 0)
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_VAR;
else
{
iecs.continueAfter = null;
if (iecs.ied.NextActualChildNode() == null)
{
iecs.istate = Iec61850lStateEnum.IEC61850_READ_ACCESSAT_VAR; // next state
iecs.logger.LogInfo("Reading variable specifications: [IEC61850_READ_ACCESSAT_VAR]");
iecs.ied.ResetAllChildNodes();
}
else
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_VAR; // next logical device
}
break;
case Iec61850lStateEnum.IEC61850_READ_NAMELIST_NAMED_VARIABLE_LIST_WAIT:
if (GetNameList.ListOfIdentifier != null)
foreach (Identifier i in GetNameList.ListOfIdentifier)
{
iecs.logger.LogDebug(String.Format("GetNameList.ListOfIdentifier: {0}", i.Value));
NodeBase nld = iecs.lists.AddChildNode(new NodeLD(iecs.ied.GetActualChildNode().Name));
NodeVL vl = new NodeVL(i.Value);
vl.Defined = true;
nld.AddChildNode(vl);
iecs.continueAfter = null;
}
if (GetNameList.MoreFollows)
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_NAMED_VARIABLE_LIST;
else
{
iecs.continueAfter = null;
if (iecs.ied.NextActualChildNode() == null)
{
iecs.logger.LogInfo("Reading variable lists attributes: [IEC61850_READ_ACCESSAT_NAMED_VARIABLE_LIST]"); // next state
iecs.istate = Iec61850lStateEnum.IEC61850_READ_ACCESSAT_NAMED_VARIABLE_LIST; // next state
iecs.ied.ResetAllChildNodes();
iecs.lists.ResetAllChildNodes();
}
else
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_NAMED_VARIABLE_LIST; // next logical device
}
break;
}
}
private void ReceiveIdentify(Iec61850State iecs, Identify_Response Identify)
{
iecs.logger.LogInfo(String.Format("Received Identify: {0}, {1}, {2}",
Identify.VendorName.Value,
Identify.ModelName.Value,
Identify.Revision.Value
));
(iecs.ied as NodeIed).VendorName = Identify.VendorName.Value;
(iecs.ied as NodeIed).ModelName = Identify.ModelName.Value;
(iecs.ied as NodeIed).Revision = Identify.Revision.Value;
iecs.istate = Iec61850lStateEnum.IEC61850_READ_NAMELIST_DOMAIN;
iecs.logger.LogInfo("Reading domain (LD) names: [IEC61850_READ_NAMELIST_DOMAIN]");
}
void recursiveReadData(Iec61850State iecs, Data data, NodeBase actualNode, NodeState s)
{
if (data == null)
{
iecs.logger.LogDebug("data = null, returning from recursiveReadData");
return;
}
if (actualNode == null)
{
iecs.logger.LogDebug("actualNode = null, returning from recursiveReadData");
return;
}
iecs.logger.LogDebug("recursiveReadData: nodeAddress=" + actualNode.Address + ", state=" + s.ToString());
actualNode.NodeState = s;
if (data.Structure != null)
{
iecs.logger.LogDebug("data.Structure != null");
NodeBase[] nb = actualNode.GetChildNodes();
int i = 0;
foreach (Data d in data.Structure)
{
if (i <= nb.GetUpperBound(0))
recursiveReadData(iecs, d, nb[i], s);
else
iecs.logger.LogError("Not matching read structure: Node=" + actualNode.Name);
i++;
}
}
else if (data.Array != null)
{
iecs.logger.LogDebug("data.Array != null");
int i = 0;
NodeBase[] nb = actualNode.GetChildNodes();
foreach (Data d in data.Array)
{
if (i <= nb.GetUpperBound(0))
recursiveReadData(iecs, d, nb[i], s);
else
iecs.logger.LogError("Not matching read array: Node=" + actualNode.Name);
i++;
}
}
else if (data.isIntegerSelected())
{
iecs.logger.LogDebug("data.Integer != null");
(actualNode as NodeData).DataValue = data.Integer;
}
else if (data.isBcdSelected())
{
iecs.logger.LogDebug("data.Bcd != null");
(actualNode as NodeData).DataValue = data.Bcd;
}
else if (data.isBooleanSelected())
{
iecs.logger.LogDebug("data.Boolean != null");
(actualNode as NodeData).DataValue = data.Boolean;
}
else if (data.isFloating_pointSelected())
{
iecs.logger.LogDebug("data.Floating_point != null");
if (data.Floating_point.Value.Length == 5)
{
float k = 0.0F;
byte[] tmp = new byte[4];
tmp[0] = data.Floating_point.Value[4];
tmp[1] = data.Floating_point.Value[3];
tmp[2] = data.Floating_point.Value[2];
tmp[3] = data.Floating_point.Value[1];
k = BitConverter.ToSingle(tmp, 0);
(actualNode as NodeData).DataValue = k;
}
else if (data.Floating_point.Value.Length == 9)
{
double k = 0.0;
byte[] tmp = new byte[8];
tmp[0] = data.Floating_point.Value[8];
tmp[1] = data.Floating_point.Value[7];
tmp[2] = data.Floating_point.Value[6];
tmp[3] = data.Floating_point.Value[5];
tmp[4] = data.Floating_point.Value[4];
tmp[5] = data.Floating_point.Value[3];
tmp[6] = data.Floating_point.Value[2];
tmp[7] = data.Floating_point.Value[1];
k = BitConverter.ToDouble(tmp, 0);
(actualNode as NodeData).DataValue = k;
}
}
else if (data.isGeneralized_timeSelected())
{
iecs.logger.LogDebug("data.Generalized_time != null");
(actualNode as NodeData).DataValue = data.Generalized_time;
}
else if (data.isMMSStringSelected())
{
iecs.logger.LogDebug("data.MMSString != null");
(actualNode as NodeData).DataValue = data.MMSString.Value;
}
else if (data.isObjIdSelected())
{
iecs.logger.LogDebug("data.ObjId != null");
(actualNode as NodeData).DataValue = data.ObjId.Value;
}
else if (data.isOctet_stringSelected())
{
iecs.logger.LogDebug("data.Octet_string != null");
System.Text.Decoder ascii = (new ASCIIEncoding()).GetDecoder();
int bytesUsed = 0;
int charsUsed = 0;
bool completed = false;
char[] chars = new char[data.Octet_string.Length];
ascii.Convert(data.Octet_string, 0, data.Octet_string.Length, chars, 0, data.Octet_string.Length, true, out bytesUsed, out charsUsed, out completed);
(actualNode as NodeData).DataValue = new String(chars);
}
else if (data.isUnsignedSelected())
{
iecs.logger.LogDebug("data.Unsigned != null");
(actualNode as NodeData).DataValue = data.Unsigned;
}
else if (data.isUtc_timeSelected())
{
iecs.logger.LogDebug("data.Utc_time != null");
long seconds;
long millis;
//if (actualNode.Address == "BayControllerQ/LTRK1.ApcFTrk.T")
// iecs.logger.LogDebug("BayControllerQ/LTRK1.ApcFTrk.T"); ;
if (data.Utc_time.Value != null && data.Utc_time.Value.Length == 8)
{
seconds = (data.Utc_time.Value[0] << 24) +
(data.Utc_time.Value[1] << 16) +
(data.Utc_time.Value[2] << 8) +
(data.Utc_time.Value[3]);
millis = 0;
for (int i = 0; i < 24; i++)
{
if (((data.Utc_time.Value[(i / 8) + 4] << (i % 8)) & 0x80) > 0)
{
millis += 1000000 / (1 << (i + 1));
}
}
millis /= 1000;
iecs.logger.LogDebug("calling ConvertFromUnixTimestamp");
DateTime dt = ConvertFromUnixTimestamp(seconds);
iecs.logger.LogDebug("return from ConvertFromUnixTimestamp");
dt = dt.AddMilliseconds(millis);
(actualNode as NodeData).DataValue = dt.ToLocalTime();
(actualNode as NodeData).DataParam = data.Utc_time.Value[7];
}
else
{
(actualNode as NodeData).DataValue = DateTime.Now;
(actualNode as NodeData).DataParam = (byte)0xff;
}
}
else if (data.isVisible_stringSelected())
{
iecs.logger.LogDebug("data.Visible_string != null");
(actualNode as NodeData).DataValue = data.Visible_string;
}
else if (data.isBinary_timeSelected())
{
iecs.logger.LogDebug("data.Binary_time != null");
(actualNode as NodeData).DataValue = data.Binary_time.Value;
}
else if (data.isBit_stringSelected())
{
iecs.logger.LogDebug("data.Bit_string != null");
(actualNode as NodeData).DataValue = data.Bit_string.Value;
(actualNode as NodeData).DataParam = data.Bit_string.TrailBitsCnt;
}
iecs.logger.LogDebug("recursiveReadData: successfull return");
}
void RecursiveReadTypeDescription(Iec61850State iecs, NodeBase actualNode, TypeDescription t)
{
if (t == null) return;
if (t.Structure != null)
{
iecs.logger.LogDebug("t.Structure != null");
if (t.Structure.Components != null) foreach (TypeDescription.StructureSequenceType.ComponentsSequenceType s in t.Structure.Components)
{
iecs.logger.LogDebug(s.ComponentName.Value);
NodeBase newActualNode = new NodeData(s.ComponentName.Value);
newActualNode = actualNode.AddChildNode(newActualNode);
RecursiveReadTypeDescription(iecs, newActualNode, s.ComponentType.TypeDescription);
if (actualNode is NodeFC && actualNode.Name == "RP")
{
// Having RCB
NodeBase nrpied = iecs.reports.AddChildNode(new NodeLD(iecs.ied.GetActualChildNode().Name));
NodeBase nrp = new NodeRP(newActualNode.CommAddress.Variable);
nrpied.AddChildNode(nrp);
foreach (NodeBase nb in newActualNode.GetChildNodes())
{
nrp.LinkChildNode(nb);
}
}
}
}
else if (t.Array != null)
{
iecs.logger.LogDebug("t.Array != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.array;
for (int i = 0; i < t.Array.NumberOfElements.Value; i++)
{
NodeData newActualNode = new NodeData("[" + i.ToString() + "]");
actualNode.AddChildNode(newActualNode);
RecursiveReadTypeDescription(iecs, newActualNode, t.Array.ElementType.TypeDescription);
}
}
else if (t.Integer != null)
{
iecs.logger.LogDebug("t.Integer != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.integer;
}
else if (t.Bcd != null)
{
iecs.logger.LogDebug("t.Bcd != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.bcd;
}
else if (t.Boolean != null)
{
iecs.logger.LogDebug("t.Boolean != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.boolean;
}
else if (t.Floating_point != null)
{
iecs.logger.LogDebug("t.Floating_point != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.floating_point;
}
else if (t.Generalized_time != null)
{
iecs.logger.LogDebug("t.Generalized_time != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.generalized_time;
}
else if (t.MMSString != null)
{
iecs.logger.LogDebug("t.MMSString != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.mMSString;
}
else if (t.ObjId != null)
{
iecs.logger.LogDebug("t.ObjId != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.objId;
}
else if (t.Octet_string != null)
{
iecs.logger.LogDebug("t.Octet_string != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.octet_string;
}
else if (t.Unsigned != null)
{
iecs.logger.LogDebug("t.Unsigned != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.unsigned;
}
else if (t.Utc_time != null)
{
iecs.logger.LogDebug("t.Utc_time != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.utc_time;
}
else if (t.Visible_string != null)
{
iecs.logger.LogDebug("t.Visible_string != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.visible_string;
}
else if (t.isBinary_timeSelected())
{
iecs.logger.LogDebug("t.Binary_time != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.binary_time;
}
else if (t.isBit_stringSelected())
{
iecs.logger.LogDebug("t.Bit_string != null");
(actualNode as NodeData).DataType = scsm_MMS_TypeEnum.bit_string;
}
}
public int ReceiveInitiate(Iec61850State iecs)
{
MMSpdu mymmspdu = decoder.decode<MMSpdu>(iecs.msMMS);
if (mymmspdu == null)
{
iecs.logger.LogError("mms.ReceiveInitiate: Parsing Error!");
return -1;
}
if (mymmspdu.Initiate_ResponsePDU != null)
{
iecs.logger.LogDebug("mymmspdu.Initiate_ResponsePDU exists!");
iecs.logger.LogDebug(String.Format("mymmspdu.Initiate_ResponsePDU.NegotiatedMaxServOutstandingCalled: {0}",
mymmspdu.Initiate_ResponsePDU.NegotiatedMaxServOutstandingCalled.Value));
if ((mymmspdu.Initiate_ResponsePDU.InitResponseDetail.ServicesSupportedCalled.Value.Value[1] & 0x10) == 0x10)
{
iecs.ied.DefineNVL = true;
}
if ((mymmspdu.Initiate_ResponsePDU.InitResponseDetail.ServicesSupportedCalled.Value.Value[0] & 0x20) == 0x20)
{
iecs.ied.Identify = true;