public APdu(int sendSeqNum, int receiveSeqNum, ApciType apciType, ASdu aSdu)
{
this.sendSeqNum = sendSeqNum;
this.receiveSeqNum = receiveSeqNum;
this.apciType = apciType;
this.aSdu = aSdu;
}
public APdu(int sendSeqNum, int receiveSeqNum, ApciType apciType, ASdu aSdu)
{
this.sendSeqNum = sendSeqNum;
this.receiveSeqNum = receiveSeqNum;
this.apciType = apciType;
this.aSdu = aSdu;
}
public APdu(BinaryReader reader, ConnectionSettings settings)
{
var length = reader.ReadByte() & 0xff;
if (length < 4 || length > 253)
{
throw new IOException("APDU contain invalid length: " + length);
}
var aPduHeader = reader.ReadBytes(4);
if ((aPduHeader[0] & 0x01) == 0)
{
apciType = ApciType.I_FORMAT;
sendSeqNum = ((aPduHeader[0] & 0xfe) >> 1) + ((aPduHeader[1] & 0xff) << 7);
receiveSeqNum = ((aPduHeader[2] & 0xfe) >> 1) + ((aPduHeader[3] & 0xff) << 7);
aSdu = new ASdu(reader, settings, length - 4);
}
else if ((aPduHeader[0] & 0x02) == 0)
{
apciType = ApciType.S_FORMAT;
receiveSeqNum = ((aPduHeader[2] & 0xfe) >> 1) + ((aPduHeader[3] & 0xff) << 7);
}
else
{
switch (aPduHeader[0])
{
case 0x83:
apciType = ApciType.TESTFR_CON;
break;
case 0x43:
apciType = ApciType.TESTFR_ACT;
break;
case 0x23:
apciType = ApciType.STOPDT_CON;
break;
case 0x13:
apciType = ApciType.STOPDT_ACT;
break;
case 0x0B:
apciType = ApciType.STARTDT_CON;
break;
default:
apciType = ApciType.STARTDT_ACT;
break;
}
}
}
public APdu(BinaryReader reader, ConnectionSettings settings)
{
var length = reader.ReadByte() & 0xff;
if (length < 4 || length > 253)
{
throw new IOException("APDU contain invalid length: " + length);
}
var aPduHeader = reader.ReadBytes(4);
if ((aPduHeader[0] & 0x01) == 0)
{
apciType = ApciType.FORMAT;
sendSeqNum = ((aPduHeader[0] & 0xfe) >> 1) + ((aPduHeader[1] & 0xff) << 7);
receiveSeqNum = ((aPduHeader[2] & 0xfe) >> 1) + ((aPduHeader[3] & 0xff) << 7);
aSdu = new ASdu(reader, settings, length - 4);
}
else if ((aPduHeader[0] & 0x02) == 0)
{
apciType = ApciType.S_FORMAT;
receiveSeqNum = ((aPduHeader[2] & 0xfe) >> 1) + ((aPduHeader[3] & 0xff) << 7);
}
else
{
if (aPduHeader[0] == 0x83)
{
apciType = ApciType.TESTFR_CON;
}
else if (aPduHeader[0] == 0x43)
{
apciType = ApciType.TESTFR_ACT;
}
else if (aPduHeader[0] == 0x23)
{
apciType = ApciType.STOPDT_CON;
}
else if (aPduHeader[0] == 0x13)
{
apciType = ApciType.STOPDT_ACT;
}
else if (aPduHeader[0] == 0x0B)
{
apciType = ApciType.STARTDT_CON;
}
else
{
apciType = ApciType.STARTDT_ACT;
}
}
}
public void AckFileOrSection(int commonAddress, int informationObjectAddress, IeNameOfFile nameOfFile,
IeNameOfSection nameOfSection, IeAckFileOrSectionQualifier qualifier)
{
var aSdu = new ASdu(TypeId.F_AF_NA_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress, new[]
{
new InformationObject(
informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, nameOfSection, qualifier}})
});
Send(aSdu);
}
public void SetScaledValueCommand(int commonAddress, CauseOfTransmission cot, int informationObjectAddress,
IeScaledValue scaledValue, IeQualifierOfSetPointCommand qualifier)
{
var aSdu = new ASdu(TypeId.C_SE_NB_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {scaledValue, qualifier}})
});
Send(aSdu);
}
public void SendSegment(int commonAddress, int informationObjectAddress, IeNameOfFile nameOfFile,
IeNameOfSection nameOfSection, IeFileSegment segment)
{
var aSdu = new ASdu(TypeId.F_SG_NA_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, nameOfSection, segment}})
});
Send(aSdu);
}
public void SendDirectory(int commonAddress, int informationObjectAddress, InformationElement[][] directory)
{
var aSdu = new ASdu(TypeId.F_DR_TA_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress, new[]
{
new InformationObject(
informationObjectAddress, directory)
});
Send(aSdu);
}
public void SendConfirmation(ASdu aSdu)
{
var cot = aSdu.GetCauseOfTransmission();
if (cot == CauseOfTransmission.ACTIVATION)
{
cot = CauseOfTransmission.ACTIVATION_CON;
}
else if (cot == CauseOfTransmission.DEACTIVATION)
{
cot = CauseOfTransmission.DEACTIVATION_CON;
}
Send(new ASdu(aSdu.GetTypeIdentification(), aSdu.IsSequenceOfElements, cot, aSdu.IsTestFrame(),
aSdu.IsNegativeConfirm(), aSdu.GetOriginatorAddress(), aSdu.GetCommonAddress(),
aSdu.GetInformationObjects()));
}
public void DoubleCommand(int commonAddress, CauseOfTransmission cot, int informationObjectAddress,
IeDoubleCommand doubleCommand)
{
var aSdu = new ASdu(TypeId.C_DC_NA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {doubleCommand}})
});
Send(aSdu);
}
public void TestCommandWithTimeTag(int commonAddress, IeTestSequenceCounter testSequenceCounter, IeTime56 time)
{
var aSdu = new ASdu(TypeId.C_TS_TA_1, false, CauseOfTransmission.ACTIVATION, false, false, originatorAddress,
commonAddress, new[]
{
new InformationObject(0, new[] {new InformationElement[] {testSequenceCounter, time}})
});
Send(aSdu);
}
public void SynchronizeClocks(int commonAddress, IeTime56 time)
{
var io = new InformationObject(0, new[] {new InformationElement[] {time}});
InformationObject[] ios = {io};
var aSdu = new ASdu(TypeId.C_CS_NA_1, false, CauseOfTransmission.ACTIVATION, false, false, originatorAddress,
commonAddress, ios);
Send(aSdu);
}
public void ReadCommand(int commonAddress, int informationObjectAddress)
{
var aSdu = new ASdu(TypeId.C_RD_NA_1, false, CauseOfTransmission.REQUEST, false, false, originatorAddress,
commonAddress, new[]
{
new InformationObject(informationObjectAddress,
new InformationElement[][] {})
});
Send(aSdu);
}
public void QueryLog(int commonAddress, int informationObjectAddress, IeNameOfFile nameOfFile,
IeTime56 rangeStartTime, IeTime56 rangeEndTime)
{
var aSdu = new ASdu(TypeId.F_SC_NB_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress, new[]
{
new InformationObject(
informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, rangeStartTime, rangeEndTime}})
});
Send(aSdu);
}
public void ParameterShortFloatCommand(int commonAddress, int informationObjectAddress, IeShortFloat shortFloat,
IeQualifierOfParameterOfMeasuredValues qualifier)
{
var aSdu = new ASdu(TypeId.P_ME_NC_1, false, CauseOfTransmission.ACTIVATION, false, false, originatorAddress,
commonAddress, new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {shortFloat, qualifier}})
});
Send(aSdu);
}
public void ParameterActivation(int commonAddress, CauseOfTransmission cot, int informationObjectAddress,
IeQualifierOfParameterActivation qualifier)
{
var aSdu = new ASdu(TypeId.P_AC_NA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {qualifier}})
});
Send(aSdu);
}
public void LastSectionOrSegment(int commonAddress, int informationObjectAddress, IeNameOfFile nameOfFile,
IeNameOfSection nameOfSection, IeLastSectionOrSegmentQualifier qualifier, IeChecksum checksum)
{
var aSdu = new ASdu(TypeId.F_LS_NA_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress, new[]
{
new InformationObject(
informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, nameOfSection, qualifier, checksum}})
});
Send(aSdu);
}
public void Interrogation(int commonAddress, CauseOfTransmission cot, IeQualifierOfInterrogation qualifier)
{
var aSdu = new ASdu(TypeId.C_IC_NA_1, false, cot, false, false, originatorAddress, commonAddress,
new[] {new InformationObject(0, new[] {new InformationElement[] {qualifier}})});
Send(aSdu);
}
public void FileReady(int commonAddress, int informationObjectAddress, IeNameOfFile nameOfFile,
IeLengthOfFileOrSection lengthOfFile, IeFileReadyQualifier qualifier)
{
var aSdu = new ASdu(TypeId.F_FR_NA_1, false, CauseOfTransmission.FILE_TRANSFER, false, false,
originatorAddress, commonAddress, new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, lengthOfFile, qualifier}})
});
Send(aSdu);
}
public void SetShortFloatCommandWithTimeTag(int commonAddress, CauseOfTransmission cot,
int informationObjectAddress, IeShortFloat shortFloat, IeQualifierOfSetPointCommand qualifier,
IeTime56 timeTag)
{
var aSdu = new ASdu(TypeId.C_SE_TC_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {shortFloat, qualifier, timeTag}})
});
Send(aSdu);
}
public void SingleCommandWithTimeTag(int commonAddress, int informationObjectAddress,
IeSingleCommand singleCommand, IeTime56 timeTag)
{
var cot = singleCommand.IsCommandStateOn()
? CauseOfTransmission.ACTIVATION
: CauseOfTransmission.DEACTIVATION;
var aSdu = new ASdu(TypeId.C_SC_TA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {singleCommand, timeTag}})
});
Send(aSdu);
}
public void RegulatingStepCommandWithTimeTag(int commonAddress, CauseOfTransmission cot,
int informationObjectAddress, IeRegulatingStepCommand regulatingStepCommand, IeTime56 timeTag)
{
var aSdu = new ASdu(TypeId.C_RC_TA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {regulatingStepCommand, timeTag}})
});
Send(aSdu);
}
public void TestCommand(int commonAddress)
{
var aSdu = new ASdu(TypeId.C_TS_NA_1, false, CauseOfTransmission.ACTIVATION, false, false, originatorAddress,
commonAddress, new[]
{
new InformationObject(0,
new[] {new InformationElement[] {new IeFixedTestBitPattern()}})
});
Send(aSdu);
}
public void BitStringCommandWithTimeTag(int commonAddress, CauseOfTransmission cot, int informationObjectAddress,
IeBinaryStateInformation binaryStateInformation, IeTime56 timeTag)
{
var aSdu = new ASdu(TypeId.C_BO_TA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {binaryStateInformation, timeTag}})
});
Send(aSdu);
}
public void CallOrSelectFiles(int commonAddress, CauseOfTransmission cot, int informationObjectAddress,
IeNameOfFile nameOfFile, IeNameOfSection nameOfSection, IeSelectAndCallQualifier qualifier)
{
var aSdu = new ASdu(TypeId.F_SC_NA_1, false, cot, false, false, originatorAddress, commonAddress,
new[]
{
new InformationObject(informationObjectAddress,
new[] {new InformationElement[] {nameOfFile, nameOfSection, qualifier}})
});
Send(aSdu);
}
public void DelayAcquisitionCommand(int commonAddress, CauseOfTransmission cot, IeTime16 time)
{
var aSdu = new ASdu(TypeId.C_CD_NA_1, false, cot, false, false, originatorAddress, commonAddress,
new[] {new InformationObject(0, new[] {new InformationElement[] {time}})});
Send(aSdu);
}
public void ResetProcessCommand(int commonAddress, IeQualifierOfResetProcessCommand qualifier)
{
var aSdu = new ASdu(TypeId.C_RP_NA_1, false, CauseOfTransmission.ACTIVATION, false, false, originatorAddress,
commonAddress, new[]
{
new InformationObject(0,
new[] {new InformationElement[] {qualifier}})
});
Send(aSdu);
}
public void Send(ASdu aSdu)
{
acknowledgedReceiveSequenceNumber = receiveSequenceNumber;
var requestAPdu = new APdu(sendSequenceNumber, receiveSequenceNumber, APdu.ApciType.FORMAT, aSdu);
sendSequenceNumber = (sendSequenceNumber + 1)%32768;
if (maxTimeNoAckSentFuture != null)
{
maxTimeNoAckSentFuture.Cancel();
maxTimeNoAckSentFuture = null;
}
if (maxTimeNoAckReceivedFuture == null)
{
ScheduleMaxTimeNoAckReceivedFuture();
}
var length = requestAPdu.Encode(buffer, settings);
writer.Write(buffer, 0, length);
writer.Flush();
ResetMaxIdleTimeTimer();
}