public bool HandleFileAsdu(ASDU asdu)
{
bool handled = true;
switch (asdu.TypeId)
{
case TypeID.F_AF_NA_1: /* 124 - ACK file, ACK section */
logger("Received file/section ACK F_AF_NA_1");
if (asdu.Cot == CauseOfTransmission.FILE_TRANSFER)
{
if (transferState != FileServerState.UNSELECTED_IDLE)
{
IFileProvider file = selectedFile.provider;
FileACK ack = (FileACK)asdu.GetElement(0);
if (ack.AckQualifier == AcknowledgeQualifier.POS_ACK_FILE)
{
logger("Received positive file ACK");
if (transferState == FileServerState.WAITING_FOR_FILE_ACK)
{
selectedFile.provider.TransferComplete(true);
availableFiles.RemoveFile(selectedFile.provider);
selectedFile = null;
transferState = FileServerState.UNSELECTED_IDLE;
}
else
{
logger("Unexpected file transfer state --> abort file transfer");
transferState = FileServerState.SEND_ABORT;
}
}
else if (ack.AckQualifier == AcknowledgeQualifier.NEG_ACK_FILE)
{
logger("Received negative file ACK - stop transfer");
if (transferState == FileServerState.WAITING_FOR_FILE_ACK)
{
selectedFile.provider.TransferComplete(false);
selectedFile.selectedBy = null;
selectedFile = null;
transferState = FileServerState.UNSELECTED_IDLE;
}
else
{
logger("Unexpected file transfer state --> abort file transfer");
transferState = FileServerState.SEND_ABORT;
}
}
else if (ack.AckQualifier == AcknowledgeQualifier.NEG_ACK_SECTION)
{
logger("Received negative file section ACK - repeat section");
if (transferState == FileServerState.WAITING_FOR_SECTION_ACK)
{
currentSectionOffset = 0;
sectionChecksum = 0;
ASDU sectionReady = new ASDU(alParameters, CauseOfTransmission.FILE_TRANSFER, false, false, 0, file.GetCA(), false);
sectionReady.AddInformationObject(
new SectionReady(selectedFile.provider.GetIOA(), selectedFile.provider.GetNameOfFile(), currentSectionNumber, currentSectionSize, false));
connection.SendASDU(sectionReady);
transferState = FileServerState.TRANSMIT_SECTION;
}
else
{
logger("Unexpected file transfer state --> abort file transfer");
transferState = FileServerState.SEND_ABORT;
}
}
else if (ack.AckQualifier == AcknowledgeQualifier.POS_ACK_SECTION)
{
if (transferState == FileServerState.WAITING_FOR_SECTION_ACK)
{
currentSectionNumber++;
int nextSectionSize =
selectedFile.provider.GetSectionSize(currentSectionNumber);
ASDU responseAsdu = new ASDU(alParameters, CauseOfTransmission.FILE_TRANSFER, false, false, 0, file.GetCA(), false);
if (nextSectionSize == -1)
{
logger("Reveived positive file section ACK - send last section indication");
responseAsdu.AddInformationObject(
new FileLastSegmentOrSection(file.GetIOA(), file.GetNameOfFile(),
(byte)currentSectionNumber,
LastSectionOrSegmentQualifier.FILE_TRANSFER_WITHOUT_DEACT,
fileChecksum));
transferState = FileServerState.WAITING_FOR_FILE_ACK;
}
else
{
logger("Reveived positive file section ACK - send next section ready indication");
currentSectionSize = nextSectionSize;
responseAsdu.AddInformationObject(
new SectionReady(selectedFile.provider.GetIOA(), selectedFile.provider.GetNameOfFile(), currentSectionNumber, currentSectionSize, false));
transferState = FileServerState.WAITING_FOR_SECTION_CALL;
}
connection.SendASDU(responseAsdu);
sectionChecksum = 0;
}
else
{
logger("Unexpected file transfer state --> abort file transfer");
transferState = FileServerState.SEND_ABORT;
}
}
}
else
{
// No file transmission in progress --> what to do?
logger("Unexpected File ACK message -> ignore");
}
}
else
{
asdu.Cot = CauseOfTransmission.UNKNOWN_CAUSE_OF_TRANSMISSION;
connection.SendASDU(asdu);
}
break;
case TypeID.F_SC_NA_1: /* 122 - Call/Select directoy/file/section */
logger("Received call/select F_SC_NA_1");
if (asdu.Cot == CauseOfTransmission.FILE_TRANSFER)
{
FileCallOrSelect sc = (FileCallOrSelect)asdu.GetElement(0);
if (sc.SCQ == SelectAndCallQualifier.SELECT_FILE)
{
if (transferState == FileServerState.UNSELECTED_IDLE)
{
logger("Received SELECT FILE");
CS101n104File file = availableFiles.GetFile(asdu.Ca, sc.ObjectAddress, sc.NOF);
if (file == null)
{
asdu.Cot = CauseOfTransmission.UNKNOWN_INFORMATION_OBJECT_ADDRESS;
connection.SendASDU(asdu);
}
else
{
ASDU fileReady = new ASDU(alParameters, CauseOfTransmission.FILE_TRANSFER, false, false, 0, asdu.Ca, false);
// check if already selected
if (file.selectedBy == null)
{
file.selectedBy = this;
fileReady.AddInformationObject(new FileReady(sc.ObjectAddress, sc.NOF, file.provider.GetFileSize(), true));
}
else
{
fileReady.AddInformationObject(new FileReady(sc.ObjectAddress, sc.NOF, 0, false));
}
connection.SendASDU(fileReady);
selectedFile = file;
transferState = FileServerState.WAITING_FOR_FILE_CALL;
}
}
else
{
logger("Unexpected SELECT FILE message");
}
}
else if (sc.SCQ == SelectAndCallQualifier.DEACTIVATE_FILE)
{
logger("Received DEACTIVATE FILE");
if (transferState != FileServerState.UNSELECTED_IDLE)
{
if (selectedFile != null)
{
selectedFile.selectedBy = null;
selectedFile = null;
}
transferState = FileServerState.UNSELECTED_IDLE;
}
else
{
logger("Unexpected DEACTIVATE FILE message");
}
}
else if (sc.SCQ == SelectAndCallQualifier.REQUEST_FILE)
{
logger("Received CALL FILE");
if (transferState == FileServerState.WAITING_FOR_FILE_CALL)
{
if (selectedFile.provider.GetIOA() != sc.ObjectAddress)
{
logger("Unkown IOA");
asdu.Cot = CauseOfTransmission.UNKNOWN_INFORMATION_OBJECT_ADDRESS;
connection.SendASDU(asdu);
}
else
{
ASDU sectionReady = new ASDU(alParameters, CauseOfTransmission.FILE_TRANSFER, false, false, 0, asdu.Ca, false);
sectionReady.AddInformationObject(new SectionReady(sc.ObjectAddress, selectedFile.provider.GetNameOfFile(), 0, 0, false));
connection.SendASDU(sectionReady);
logger("Send SECTION READY");
currentSectionNumber = 0;
currentSectionOffset = 0;
currentSectionSize = selectedFile.provider.GetSectionSize(0);
transferState = FileServerState.WAITING_FOR_SECTION_CALL;
}
}
else
{
logger("Unexpected FILE CALL message");
}
}
else if (sc.SCQ == SelectAndCallQualifier.REQUEST_SECTION)
{
logger("Received CALL SECTION");
if (transferState == FileServerState.WAITING_FOR_SECTION_CALL)
{
if (selectedFile.provider.GetIOA() != sc.ObjectAddress)
{
logger("Unkown IOA");
asdu.Cot = CauseOfTransmission.UNKNOWN_INFORMATION_OBJECT_ADDRESS;
connection.SendASDU(asdu);
}
else
{
transferState = FileServerState.TRANSMIT_SECTION;
}
}
else
{
logger("Unexpected SECTION CALL message");
}
}
}
else if (asdu.Cot == CauseOfTransmission.REQUEST)
{
logger("Call directory received");
availableFiles.SendDirectoy(connection, false);
}
else
{
asdu.Cot = CauseOfTransmission.UNKNOWN_CAUSE_OF_TRANSMISSION;
connection.SendASDU(asdu);
}
break;
default:
handled = false;
break;
}
return(handled);
}
/// <summary>
/// Gets the element (information object) with the specified index
/// </summary>
/// <returns>the information object at index</returns>
/// <param name="index">index of the element (starting with 0)</param>
/// <exception cref="lib60870.ASDUParsingException">Thrown when there is a problem parsing the ASDU</exception>
public InformationObject GetElement(int index)
{
if (index >= NumberOfElements)
{
throw new ASDUParsingException("Index out of range");
}
InformationObject retVal = null;
int elementSize;
switch (typeId)
{
case TypeID.M_SP_NA_1: /* 1 */
elementSize = 1;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new SinglePointInformation(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new SinglePointInformation(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_SP_TA_1: /* 2 */
elementSize = 4;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new SinglePointWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new SinglePointWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_DP_NA_1: /* 3 */
elementSize = 1;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new DoublePointInformation(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new DoublePointInformation(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_DP_TA_1: /* 4 */
elementSize = 4;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new DoublePointWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new DoublePointWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ST_NA_1: /* 5 */
elementSize = 2;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new StepPositionInformation(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new StepPositionInformation(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ST_TA_1: /* 6 */
elementSize = 5;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new StepPositionWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new StepPositionWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_BO_NA_1: /* 7 */
elementSize = 5;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new Bitstring32(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new Bitstring32(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_BO_TA_1: /* 8 */
elementSize = 8;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new Bitstring32WithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new Bitstring32WithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_NA_1: /* 9 */
elementSize = 3;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueNormalized(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueNormalized(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TA_1: /* 10 */
elementSize = 6;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueNormalizedWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueNormalizedWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_NB_1: /* 11 */
elementSize = 3;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueScaled(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueScaled(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TB_1: /* 12 */
elementSize = 6;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueScaledWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueScaledWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_NC_1: /* 13 */
elementSize = 5;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueShort(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueShort(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TC_1: /* 14 */
elementSize = 8;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueShortWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueShortWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_IT_NA_1: /* 15 */
elementSize = 5;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new IntegratedTotals(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new IntegratedTotals(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_IT_TA_1: /* 16 */
elementSize = 8;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new IntegratedTotalsWithCP24Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new IntegratedTotalsWithCP24Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TA_1: /* 17 */
elementSize = 3;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new EventOfProtectionEquipment(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new EventOfProtectionEquipment(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TB_1: /* 18 */
elementSize = 7;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new PackedStartEventsOfProtectionEquipment(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new PackedStartEventsOfProtectionEquipment(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TC_1: /* 19 */
elementSize = 7;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new PackedOutputCircuitInfo(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new PackedOutputCircuitInfo(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_PS_NA_1: /* 20 */
elementSize = 5;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new PackedSinglePointWithSCD(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new PackedSinglePointWithSCD(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_ND_1: /* 21 */
elementSize = 2;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueNormalizedWithoutQuality(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueNormalizedWithoutQuality(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
/* 22 - 29 reserved */
case TypeID.M_SP_TB_1: /* 30 */
elementSize = 8;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new SinglePointWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new SinglePointWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_DP_TB_1: /* 31 */
elementSize = 8;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new DoublePointWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new DoublePointWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ST_TB_1: /* 32 */
elementSize = 9;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new StepPositionWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new StepPositionWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_BO_TB_1: /* 33 */
elementSize = 12;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new Bitstring32WithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new Bitstring32WithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TD_1: /* 34 */
elementSize = 10;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueNormalizedWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueNormalizedWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TE_1: /* 35 */
elementSize = 10;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueScaledWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueScaledWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_ME_TF_1: /* 36 */
elementSize = 12;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new MeasuredValueShortWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new MeasuredValueShortWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_IT_TB_1: /* 37 */
elementSize = 12;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new IntegratedTotalsWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new IntegratedTotalsWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TD_1: /* 38 */
elementSize = 10;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new EventOfProtectionEquipmentWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new EventOfProtectionEquipmentWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TE_1: /* 39 */
elementSize = 11;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new PackedStartEventsOfProtectionEquipmentWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new PackedStartEventsOfProtectionEquipmentWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
case TypeID.M_EP_TF_1: /* 40 */
elementSize = 11;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new PackedOutputCircuitInfoWithCP56Time2a(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new PackedOutputCircuitInfoWithCP56Time2a(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
/* 41 - 44 reserved */
case TypeID.C_SC_NA_1: /* 45 */
elementSize = parameters.SizeOfIOA + 1;
retVal = new SingleCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_DC_NA_1: /* 46 */
elementSize = parameters.SizeOfIOA + 1;
retVal = new DoubleCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_RC_NA_1: /* 47 */
elementSize = parameters.SizeOfIOA + 1;
retVal = new StepCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_NA_1: /* 48 - Set-point command, normalized value */
elementSize = parameters.SizeOfIOA + 3;
retVal = new SetpointCommandNormalized(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_NB_1: /* 49 - Set-point command, scaled value */
elementSize = parameters.SizeOfIOA + 3;
retVal = new SetpointCommandScaled(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_NC_1: /* 50 - Set-point command, short floating point number */
elementSize = parameters.SizeOfIOA + 5;
retVal = new SetpointCommandShort(parameters, payload, index * elementSize);
break;
case TypeID.C_BO_NA_1: /* 51 - Bitstring command */
elementSize = parameters.SizeOfIOA + 4;
retVal = new Bitstring32Command(parameters, payload, index * elementSize);
break;
/* 52 - 57 reserved */
case TypeID.C_SC_TA_1: /* 58 - Single command with CP56Time2a */
elementSize = parameters.SizeOfIOA + 8;
retVal = new SingleCommandWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_DC_TA_1: /* 59 - Double command with CP56Time2a */
elementSize = parameters.SizeOfIOA + 8;
retVal = new DoubleCommandWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_RC_TA_1: /* 60 - Step command with CP56Time2a */
elementSize = parameters.SizeOfIOA + 8;
retVal = new StepCommandWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_TA_1: /* 61 - Setpoint command, normalized value with CP56Time2a */
elementSize = parameters.SizeOfIOA + 10;
retVal = new SetpointCommandNormalizedWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_TB_1: /* 62 - Setpoint command, scaled value with CP56Time2a */
elementSize = parameters.SizeOfIOA + 10;
retVal = new SetpointCommandScaledWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_SE_TC_1: /* 63 - Setpoint command, short value with CP56Time2a */
elementSize = parameters.SizeOfIOA + 12;
retVal = new SetpointCommandShortWithCP56Time2a(parameters, payload, index * elementSize);
break;
case TypeID.C_BO_TA_1: /* 64 - Bitstring command with CP56Time2a */
elementSize = parameters.SizeOfIOA + 11;
retVal = new Bitstring32CommandWithCP56Time2a(parameters, payload, index * elementSize);
break;
/* 65 - 69 reserved */
case TypeID.M_EI_NA_1: /* 70 - End of initialization */
elementSize = parameters.SizeOfCA + 1;
retVal = new EndOfInitialization(parameters, payload, index * elementSize);
break;
case TypeID.C_IC_NA_1: /* 100 - Interrogation command */
elementSize = parameters.SizeOfIOA + 1;
retVal = new InterrogationCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_CI_NA_1: /* 101 - Counter interrogation command */
elementSize = parameters.SizeOfIOA + 1;
retVal = new CounterInterrogationCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_RD_NA_1: /* 102 - Read command */
elementSize = parameters.SizeOfIOA;
retVal = new ReadCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_CS_NA_1: /* 103 - Clock synchronization command */
elementSize = parameters.SizeOfIOA + 7;
retVal = new ClockSynchronizationCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_TS_NA_1: /* 104 - Test command */
elementSize = parameters.SizeOfIOA + 2;
retVal = new TestCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_RP_NA_1: /* 105 - Reset process command */
elementSize = parameters.SizeOfIOA + 1;
retVal = new ResetProcessCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_CD_NA_1: /* 106 - Delay acquisition command */
elementSize = parameters.SizeOfIOA + 2;
retVal = new DelayAcquisitionCommand(parameters, payload, index * elementSize);
break;
case TypeID.C_TS_TA_1: /* 107 - Test command with CP56Time2a */
elementSize = parameters.SizeOfIOA + 9;
retVal = new TestCommandWithCP56Time2a(parameters, payload, index * elementSize);
break;
/* C_TS_TA_1 (107) is handled by the stack automatically */
case TypeID.P_ME_NA_1: /* 110 - Parameter of measured values, normalized value */
elementSize = parameters.SizeOfIOA + 3;
retVal = new ParameterNormalizedValue(parameters, payload, index * elementSize);
break;
case TypeID.P_ME_NB_1: /* 111 - Parameter of measured values, scaled value */
elementSize = parameters.SizeOfIOA + 3;
retVal = new ParameterScaledValue(parameters, payload, index * elementSize);
break;
case TypeID.P_ME_NC_1: /* 112 - Parameter of measured values, short floating point number */
elementSize = parameters.SizeOfIOA + 5;
retVal = new ParameterFloatValue(parameters, payload, index * elementSize);
break;
case TypeID.P_AC_NA_1: /* 113 - Parameter for activation */
elementSize = parameters.SizeOfIOA + 1;
retVal = new ParameterActivation(parameters, payload, index * elementSize);
break;
case TypeID.F_FR_NA_1: /* 120 - File ready */
retVal = new FileReady(parameters, payload, 0, false);
break;
case TypeID.F_SR_NA_1: /* 121 - Section ready */
retVal = new SectionReady(parameters, payload, 0, false);
break;
case TypeID.F_SC_NA_1: /* 122 - Call directory, select file, call file, call section */
retVal = new FileCallOrSelect(parameters, payload, 0, false);
break;
case TypeID.F_LS_NA_1: /* 123 - Last section, last segment */
retVal = new FileLastSegmentOrSection(parameters, payload, 0, false);
break;
case TypeID.F_AF_NA_1: /* 124 - ACK file, ACK section */
retVal = new FileACK(parameters, payload, 0, false);
break;
case TypeID.F_SG_NA_1: /* 125 - Segment */
retVal = new FileSegment(parameters, payload, 0, false);
break;
case TypeID.F_DR_TA_1: /* 126 - Directory */
elementSize = 13;
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = new FileDirectory(parameters, payload, parameters.SizeOfIOA + (index * elementSize), true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = new FileDirectory(parameters, payload, index * (parameters.SizeOfIOA + elementSize), false);
}
break;
/* 114 - 119 reserved */
default:
if (privateObjectTypes != null)
{
IPrivateIOFactory ioFactory = privateObjectTypes.GetFactory(typeId);
if (ioFactory != null)
{
elementSize = parameters.SizeOfIOA + ioFactory.GetEncodedSize();
if (IsSequence)
{
int ioa = InformationObject.ParseInformationObjectAddress(parameters, payload, 0);
retVal = ioFactory.Decode(parameters, payload, index * elementSize, true);
retVal.ObjectAddress = ioa + index;
}
else
{
retVal = ioFactory.Decode(parameters, payload, index * elementSize, false);
}
}
}
break;
}
if (retVal == null)
{
throw new ASDUParsingException("Unknown ASDU type id:" + typeId);
}
return(retVal);
}
