public FileServer(IMasterConnection masterConnection, FilesAvailable availableFiles, DebugLogger logger)
{
transferState = FileServerState.UNSELECTED_IDLE;
alParameters = masterConnection.GetApplicationLayerParameters();
maxSegmentSize = FileSegment.GetMaxDataSize(alParameters);
this.availableFiles = availableFiles;
this.logger = logger;
this.connection = masterConnection;
}
private static bool myInterrogationHandler(object parameter, IMasterConnection connection, ASDU asdu, byte qoi)
{
if (asdu.Ca == slaveAddress)
{
Console.WriteLine("Interrogation for group " + qoi);
connection.SendACT_CON(asdu, false);
// send information objects
ASDU newAsdu = new ASDU(connection.GetApplicationLayerParameters(), CauseOfTransmission.INTERROGATED_BY_STATION,
false, false, 2, slaveAddress, false);
newAsdu.AddInformationObject(new MeasuredValueScaled(100, -1, new QualityDescriptor()));
newAsdu.AddInformationObject(new MeasuredValueScaled(101, 23, new QualityDescriptor()));
newAsdu.AddInformationObject(new MeasuredValueScaled(102, 2300, new QualityDescriptor()));
connection.SendASDU(newAsdu);
// send sequence of information objects
newAsdu = new ASDU(connection.GetApplicationLayerParameters(), CauseOfTransmission.INTERROGATED_BY_STATION,
false, false, 2, slaveAddress, true);
newAsdu.AddInformationObject(new SinglePointInformation(200, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(201, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(202, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(203, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(204, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(205, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(206, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(207, false, new QualityDescriptor()));
connection.SendASDU(newAsdu);
connection.SendACT_TERM(asdu);
}
return(true);
}
private static bool interrogationHandler(object parameter, IMasterConnection connection, ASDU asdu, byte qoi)
{
Console.WriteLine("Interrogation for group " + qoi);
ApplicationLayerParameters cp = connection.GetApplicationLayerParameters();
connection.SendACT_CON(asdu, false);
// send sequence of information objects
ASDU newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 1, 1, true);
rfile( );
ToServer(ref newAsdu);
connection.SendASDU(newAsdu);
connection.SendACT_TERM(asdu);
return(true);
}
private static bool OnInterrogation(object parameter, IMasterConnection connection, ASDU asdu, byte qoi)
{
if (qoi != 20 && qoi != 21)
{
return(false);
}
var cp = connection.GetApplicationLayerParameters();
connection.SendACT_CON(asdu, false);
var newAsdu = new ASDU(cp, TypeID.M_ME_TF_1, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 0, _settings.RTUID, false);
var time = new CP56Time2a(DateTime.UtcNow.AddSeconds(-_settings.RequestDepth));
lock (_lastSentData)
{
foreach (var pair in _lastSentData)
{
if (!newAsdu.AddInformationObject(new MeasuredValueShortWithCP56Time2a(pair.Key, pair.Value, _qd, time)))
{
connection.SendASDU(newAsdu);
newAsdu = new ASDU(cp, TypeID.M_ME_TF_1, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 0, _settings.RTUID, false);
}
}
}
if (newAsdu.NumberOfElements > 0)
{
connection.SendASDU(newAsdu);
}
connection.SendACT_TERM(asdu);
return(true);
}
internal void SendDirectoy(IMasterConnection masterConnection, bool spontaneous)
{
CauseOfTransmission cot;
if (spontaneous)
{
cot = CauseOfTransmission.SPONTANEOUS;
}
else
{
cot = CauseOfTransmission.REQUEST;
}
lock (availableFiles) {
int size = availableFiles.Count;
int i = 0;
int currentCa = -1;
int currentIOA = -1;
ASDU directoryAsdu = null;
foreach (CS101n104File file in availableFiles)
{
bool newAsdu = false;
if (file.provider.GetCA() != currentCa)
{
currentCa = file.provider.GetCA();
newAsdu = true;
}
if (currentIOA != (file.provider.GetIOA() - 1))
{
newAsdu = true;
}
if (newAsdu)
{
if (directoryAsdu != null)
{
masterConnection.SendASDU(directoryAsdu);
directoryAsdu = null;
}
}
currentIOA = file.provider.GetIOA();
i++;
if (directoryAsdu == null)
{
directoryAsdu = new ASDU(masterConnection.GetApplicationLayerParameters(), cot, false, false, 0, currentCa, true);
}
bool lastFile = (i == size);
byte sof = 0;
if (lastFile)
{
sof = 0x20;
}
InformationObject io = new FileDirectory(currentIOA, file.provider.GetNameOfFile(), file.provider.GetFileSize(), sof, new CP56Time2a(file.provider.GetFileDate()));
if (!directoryAsdu.AddInformationObject(io) == false)
{
masterConnection.SendASDU(directoryAsdu);
directoryAsdu = new ASDU(masterConnection.GetApplicationLayerParameters(), cot, false, false, 0, currentCa, true);
directoryAsdu.AddInformationObject(io);
}
}
if (directoryAsdu != null)
{
masterConnection.SendASDU(directoryAsdu);
}
}
}
private static bool interrogationHandler(object parameter, IMasterConnection connection, ASDU asdu, byte qoi)
{
Console.WriteLine("Interrogation for group " + qoi);
ApplicationLayerParameters cp = connection.GetApplicationLayerParameters();
connection.SendACT_CON(asdu, false);
// send information objects
ASDU newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 2, 1, false);
newAsdu.AddInformationObject(new MeasuredValueScaled(100, -1, new QualityDescriptor()));
newAsdu.AddInformationObject(new MeasuredValueScaled(101, 23, new QualityDescriptor()));
newAsdu.AddInformationObject(new MeasuredValueScaled(102, 2300, new QualityDescriptor()));
connection.SendASDU(newAsdu);
newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 3, 1, false);
newAsdu.AddInformationObject(new MeasuredValueScaledWithCP56Time2a(103, 3456, new QualityDescriptor(), new CP56Time2a(DateTime.Now)));
connection.SendASDU(newAsdu);
newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 2, 1, false);
newAsdu.AddInformationObject(new SinglePointWithCP56Time2a(104, true, new QualityDescriptor(), new CP56Time2a(DateTime.Now)));
connection.SendASDU(newAsdu);
// send sequence of information objects
newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 2, 1, true);
newAsdu.AddInformationObject(new SinglePointInformation(200, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(201, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(202, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(203, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(204, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(205, false, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(206, true, new QualityDescriptor()));
newAsdu.AddInformationObject(new SinglePointInformation(207, false, new QualityDescriptor()));
connection.SendASDU(newAsdu);
newAsdu = new ASDU(cp, CauseOfTransmission.INTERROGATED_BY_STATION, false, false, 2, 1, true);
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(300, -1.0f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(301, -0.5f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(302, -0.1f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(303, .0f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(304, 0.1f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(305, 0.2f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(306, 0.5f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(307, 0.7f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(308, 0.99f));
newAsdu.AddInformationObject(new MeasuredValueNormalizedWithoutQuality(309, 1f));
connection.SendASDU(newAsdu);
connection.SendACT_TERM(asdu);
return(true);
}
InterrogationHandler(
object parameter,
IMasterConnection connection,
ASDU asdu,
byte qoi
)
{
var srv = IEC10Xconns[(int)parameter];
var conNameStr = srv.name + " - ";
Log(conNameStr + "[" + qoi + "] Group interrogation BEGIN", LogLevelBasic);
try
{
var Client = new MongoClient(JSConfig.mongoConnectionString);
var DB = Client.GetDatabase(JSConfig.mongoDatabaseName);
var collection =
DB.GetCollection <rtData>(RealtimeDataCollectionName);
ApplicationLayerParameters cp =
connection.GetApplicationLayerParameters();
// query mongodb for all data to distribute in this connection
// for group 20 (general interogation) request filter by all in destination connection but those marked with group -1
// for other groups requests filter by by those marked with group this same group
var filter_conn = Builders <rtData> .Filter.Eq("protocolDestinations.protocolDestinationConnectionNumber", srv.protocolConnectionNumber);
var filter_cmd = Builders <rtData> .Filter.Ne("origin", "command");
var filter_gen_int = Builders <rtData> .Filter.And(filter_conn, filter_cmd, Builders <rtData> .Filter.Ne("protocolDestinations.protocolDestinationGroup", -1));
var filter_oth_grp = Builders <rtData> .Filter.And(filter_conn, filter_cmd,
Builders <rtData> .Filter.Or(
Builders <rtData> .Filter.Eq("protocolDestinations.protocolDestinationGroup", qoi), // accept 20-36 or 0-16
Builders <rtData> .Filter.Eq("protocolDestinations.protocolDestinationGroup", qoi - 20)
)
);
var sort = Builders <rtData> .Sort.Descending("$natural");
var options = new FindOptions <rtData, rtData>();
options.Sort = sort;
var filter = filter_gen_int;
if (qoi != 20)
{
filter = filter_oth_grp;
}
var list =
collection.Find(filter).ToList();
int CompareASDUInDest(rtData x, rtData y)
{
var asdu1 = x.protocolDestinations[0].protocolDestinationASDU;
foreach (var dst in x.protocolDestinations)
{
if (dst.protocolDestinationConnectionNumber == srv.protocolConnectionNumber)
{
asdu1 = dst.protocolDestinationASDU;
}
}
var asdu2 = y.protocolDestinations[0].protocolDestinationASDU;
foreach (var dst in y.protocolDestinations)
{
if (dst.protocolDestinationConnectionNumber == srv.protocolConnectionNumber)
{
asdu2 = dst.protocolDestinationASDU;
}
}
if (asdu1 == asdu2)
{
return(0);
}
if (asdu1 > asdu2)
{
return(1);
}
return(-1);
}
list.Sort(CompareASDUInDest); // order by ASDU
Log(conNameStr + "[" + qoi + "] Group request, " + list.Count() + " objects to send.", LogLevelBasic);
connection.SendACT_CON(asdu, false); // confirm positive
var lastasdu = -1;
var cntasduobj = 0;
ASDU nwasdu = null;
foreach (rtData entry in list)
{
Log(conNameStr + "[" + qoi + "] " + entry.tag.ToString() + " " + entry.value + " Key " + entry._id, LogLevelDetailed);
foreach (var dst in entry.protocolDestinations)
{
var q = new QualityDescriptor();
q.Invalid = entry.invalid.ToBoolean();
q.Substituted = entry.substituted.ToBoolean();
q.NonTopical = false;
q.Blocked = false;
q.Overflow = entry.overflow.ToBoolean();
if (dst.protocolDestinationConnectionNumber == srv.protocolConnectionNumber)
{
if ((lastasdu != dst.protocolDestinationASDU && cntasduobj > 0) || cntasduobj >= 30)
{
if (nwasdu != null)
{
Log(conNameStr + "[" + qoi + "] Send ASDU TI:" + System.Convert.ToByte(nwasdu.TypeId) + "." + nwasdu.TypeId + " CA:" + nwasdu.Ca +
" with " + nwasdu.NumberOfElements + " objects.");
connection.SendASDU(nwasdu);
nwasdu = null;
cntasduobj = 0;
lastasdu = -1;
}
}
switch (dst.protocolDestinationASDU.ToInt32())
{
case 1:
case 30:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var bval = entry.value != 0 ? true : false;
if (dst.protocolDestinationKConv1 == -1)
{
bval = !bval;
}
nwasdu
.AddInformationObject(new SinglePointInformation(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
bval,
q));
cntasduobj++;
}
break;
case 3:
case 31:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var dpval = entry.value != 0 ? DoublePointValue.ON : DoublePointValue.OFF;
if (dst.protocolDestinationKConv1 == -1)
{
dpval = entry.value != 0 ? DoublePointValue.OFF : DoublePointValue.ON;
}
if (entry.transient.ToBoolean())
{
dpval = DoublePointValue.INTERMEDIATE;
}
nwasdu
.AddInformationObject(new DoublePointInformation(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
dpval,
q));
cntasduobj++;
}
break;
case 5:
case 32:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var val = dst.protocolDestinationKConv1.ToDouble() * System.Convert.ToDouble(entry.value) + dst.protocolDestinationKConv2.ToDouble();
if (val > 63)
{
val = 63;
q.Overflow = true;
}
else
if (val < -64)
{
val = -64;
q.Overflow = true;
}
nwasdu
.AddInformationObject(new StepPositionInformation(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
System.Convert.ToInt16(val),
entry.transient.ToBoolean(),
q));
cntasduobj++;
}
break;
case 9:
case 34:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var val = dst.protocolDestinationKConv1.ToDouble() * System.Convert.ToDouble(entry.value) + dst.protocolDestinationKConv2.ToDouble();
if (val > 32767)
{
val = 32767;
q.Overflow = true;
}
else
if (val < -32768)
{
val = -32768;
q.Overflow = true;
}
nwasdu
.AddInformationObject(new MeasuredValueNormalized(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
System.Convert.ToInt16(val),
new QualityDescriptor()));
cntasduobj++;
}
break;
case 11:
case 35:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var val = dst.protocolDestinationKConv1.ToDouble() * System.Convert.ToDouble(entry.value) + dst.protocolDestinationKConv2.ToDouble();
if (val > 32767)
{
val = 32767;
q.Overflow = true;
}
else
if (val < -32768)
{
val = -32768;
q.Overflow = true;
}
nwasdu
.AddInformationObject(new MeasuredValueScaled(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
System.Convert.ToInt16(val),
new QualityDescriptor()));
cntasduobj++;
}
break;
case 13:
case 36:
if (cntasduobj == 0)
{
nwasdu =
new ASDU(cp,
(CauseOfTransmission)qoi,
false,
false,
System.Convert.ToByte(cp.OA),
System.Convert.ToInt32(dst.protocolDestinationCommonAddress.ToDouble()),
false);
}
if (nwasdu != null)
{
var val = dst.protocolDestinationKConv1.ToDouble() * System.Convert.ToDouble(entry.value) + dst.protocolDestinationKConv2.ToDouble();
nwasdu
.AddInformationObject(new MeasuredValueShort(System.Convert.ToInt32(dst.protocolDestinationObjectAddress.ToDouble()),
System.Convert.ToSingle(val),
new QualityDescriptor()));
cntasduobj++;
}
break;
default:
break;
}
lastasdu = dst.protocolDestinationASDU.ToInt32();
break;
}
}
}
if (nwasdu != null)
{
Log(conNameStr + "[" + qoi + "] Send ASDU TI:" + System.Convert.ToByte(nwasdu.TypeId) + "." + nwasdu.TypeId + " CA:" + nwasdu.Ca +
" with " + nwasdu.NumberOfElements + " objects.", LogLevelBasic);
connection.SendASDU(nwasdu);
nwasdu = null;
}
connection.SendACT_TERM(asdu);
Log(conNameStr + "[" + qoi + "] Group interrogation END", LogLevelBasic);
}
catch (Exception e)
{
if (e.Message == "Connection not active")
{
return(true);
}
Log("Exception on Interrogation");
Log(e);
Log(e
.ToString()
.Substring(0, e.ToString().IndexOf(Environment.NewLine)));
System.Threading.Thread.Sleep(3000);
connection.SendACT_CON(asdu, true); // negative confirm
return(true);
}
return(true);
}