//build a response message, in case no other message will be transmitted.
//clock synchronization CON (COT=7)
logger_.info("Sending clock synchronization confirm (C_CS_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_IC_NA_1)
{
//get interrogation group
int interroGroup = 0;
try
{
interroGroup = request.asdu.infoObjects.get(0).infoElements[0].getIntValue();
}
catch(Exception ex)
{
//ignore
}
//interrogation command
logger_.info("Received interrogation command (C_IC_NA_1). Interro Group: " + interroGroup);
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//interrogation command CON (COT=7)
logger_.info("Sending interrogation command confirm (C_IC_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
Iterator<DataPoint> it = null;
DataPoint dp = null;
Collection<DataPoint> dpList = null;
//cause of transmission depend of the interrogation group
//default: station -> all datapoints
EIecCauseOfTransmission cot = EIecCauseOfTransmission.INTERROGATED_STATION;
if (interroGroup == 1)
{
//DI
cot = EIecCauseOfTransmission.INTERROGATED_GROUP1;
}
else if (interroGroup == 2)
{
//DDI
cot = EIecCauseOfTransmission.INTERROGATED_GROUP2;
}
else if (interroGroup == 3)
{
//AI including TDI and UTC
cot = EIecCauseOfTransmission.INTERROGATED_GROUP3;
}
else if (interroGroup == 4)
{
//MI
cot = EIecCauseOfTransmission.INTERROGATED_GROUP4;
}
//return all di (COT=20)
if (interroGroup == 0 || interroGroup == 1)
{
dpList = parent_.data_.getAllDIPoints();
logger_.info("Sending all DI datapoints (as single value). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_SP_NA_1;
response.asdu.typeId = EIecTypeId.M_SP_TB_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setBooleanValue(dp.getBooleanValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
}
//return all ddi (COT=20)
if (interroGroup == 0 || interroGroup == 2)
{
dpList = parent_.data_.getAllDDIPoints();
logger_.info("Sending all DDI datapoints (as double value). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_DP_NA_1;
response.asdu.typeId = EIecTypeId.M_DP_TB_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
}
//return all ai including tdi and utc
if (interroGroup == 0 || interroGroup == 3)
{
//return all tdi (COT=20)
//Note: we transfer TDI value as a measured scaled value (ie. as AI)
dpList = parent_.data_.getAllTDIPoints();
logger_.info("Sending all TDI datapoints (as measured scaled value). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_ME_NB_1;
response.asdu.typeId = EIecTypeId.M_ME_TE_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
//return all ai (COT=20)
dpList = parent_.data_.getAllAIPoints();
logger_.info("Sending all AI datapoints (as measured scaled value). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_ME_NB_1;
response.asdu.typeId = EIecTypeId.M_ME_TE_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
//return all utc (COT=20)
//Note: we transfer UTC value as a measured scaled value (ie. as AI)
dpList = parent_.data_.getAllUTCPoints();
logger_.info("Sending all UTC datapoints (as measured scaled value). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_ME_NB_1;
response.asdu.typeId = EIecTypeId.M_ME_TE_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
}
if (interroGroup == 0 || interroGroup == 4)
{
//return all mi (COT=20)
//Note: in real IEC-104 application (in POW subsystem), MI data will normally be
// counter data. (Thus, can be retrieved using counter interrogation command)
dpList = parent_.data_.getAllMIPoints();
logger_.info("Sending all MI datapoints (as integrated total). Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_IT_NA_1;
response.asdu.typeId = EIecTypeId.M_IT_TB_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = cot;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
}
// //return all cx (COT=20)
// //Note: in real IEC-104 application (in POW subsystem), there will never be CX data.
// dpList = parent_.data_.getAllCXPoints();
// logger_.info("Sending all CX datapoints. Number of datapoints: " + dpList.size());
//
// it = dpList.iterator();
// while(it.hasNext())
// {
// //TODO
// }
//interrogation command END (COT=10)
logger_.info("Sending interrogation command end (C_IC_NA_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_CI_NA_1)
{
//counter interrogation command
logger_.info("Received counter interrogation command (C_CI_NA_1).");
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//counter interro command CON (COT=7)
logger_.info("Sending counter interrogation command confirm (C_CI_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
Iterator<DataPoint> it = null;
DataPoint dp = null;
Collection<DataPoint> dpList = null;
//return all mi (COT=20)
dpList = parent_.data_.getAllMIPoints();
logger_.info("Sending all MI datapoints. Number of datapoints: " + dpList.size());
it = dpList.iterator();
while(it.hasNext())
{
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
//response.asdu.typeId = EIecTypeId.M_IT_NA_1;
response.asdu.typeId = EIecTypeId.M_IT_TB_1; //with CP56Time2a
response.asdu.commonAddress = request.asdu.commonAddress;
response.asdu.sequenceType = EIecAsduSequenceType.SEQUENCE_OF_OBJECTS;
response.asdu.causeOfTransmission = EIecCauseOfTransmission.INTERROGATED_STATION;
//create the information objects
while(response.asdu.infoObjects.size() < MAX_INFO_OBJECT_ARRAY
&& it.hasNext())
{
dp = it.next();
try
{
IecInfoObject infoObject = new IecInfoObject();
infoObject.objectAddress = dp.getAddress();
infoObject.timeTag = dp.getTimestamp();
infoObject.infoElements = new IecInfoElement[1];
infoObject.infoElements[0] = new IecInfoElement();
infoObject.infoElements[0].setQuality(dp.getQuality());
infoObject.infoElements[0].setIntValue(dp.getIntValue());
//add the info object into the ASDU
response.asdu.infoObjects.add(infoObject);
}
catch (Exception ex)
{
logger_.error("Can not create IEC message for datapoint: " + dp.getName());
logger_.error("Exception: " + ex.getMessage());
}
}
//add APDU into the list of responses
responses.add(response);
}
//counter interro command END (COT=10)
logger_.info("Sending counter interrogation command end (C_CI_NA_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_SC_NA_1)
{
//single command
int address = request.asdu.infoObjects.get(0).objectAddress;
boolean value = false;
try
{
value = request.asdu.infoObjects.get(0).infoElements[0].getBooleanValue();
logger_.info("Received single command (C_SC_NA_1). "
+ "Address: " + address + ". Value: " + value + ".");
}
catch (Exception ex)
{
logger_.info("Received single command (C_SC_NA_1). "
+ "Address: " + address + ". Invalid value!");
logger_.error("Invalid single command value. Exception: " + ex.getMessage());
return false;
}
//for completeness
@SuppressWarnings("unused")
int qualifier = request.asdu.infoObjects.get(0).infoElements[0].getQualifier();
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//single command CON (COT=7)
logger_.info("Sending single command confirm (C_SC_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
//pass the control
//TODO: handle the command qualifier
parent_.parent_.receiveControl(address, value);
//single command END (COT=10)
logger_.info("Sending single command end (C_SC_NA_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_DC_NA_1)
{
//double command
int address = request.asdu.infoObjects.get(0).objectAddress;
int value = 0;
try
{
value = request.asdu.infoObjects.get(0).infoElements[0].getIntValue();
logger_.info("Received double command (C_DC_NA_1). "
+ "Address: " + address + ". Value: " + value + ".");
}
catch (Exception ex)
{
logger_.info("Received double command (C_DC_NA_1). "
+ "Address: " + address + ". Invalid value!");
logger_.error("Invalid double command value. Exception: " + ex.getMessage());
return false;
}
//for completeness
@SuppressWarnings("unused")
int qualifier = request.asdu.infoObjects.get(0).infoElements[0].getQualifier();
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//double command CON (COT=7)
logger_.info("Sending double command confirm (C_DC_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
//pass the control
//NOTE: we treat a double command as two pulse commands
//TODO: handle the command qualifier
//pass the control (first pulse command)
boolean boolVal = ((value & 0x01) > 0);
parent_.parent_.receiveControl(address, boolVal);
//pass the control (second pulse command)
boolVal = ((value & 0x02) > 0);
parent_.parent_.receiveControl(address, boolVal);
//double command END (COT=10)
logger_.info("Sending double command end (C_DC_NA_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_SE_NA_1)
{
//set point (normalized)
int address = request.asdu.infoObjects.get(0).objectAddress;
int value = 0;
try
{
value = request.asdu.infoObjects.get(0).infoElements[0].getIntValue();
logger_.info("Received set point - normalized (C_SE_NA_1). "
+ "Address: " + address + ". Value: " + value + ".");
}
catch (Exception ex)
{
logger_.info("Received set point - normalized (C_SE_NA_1). "
+ "Address: " + address + ". Invalid value!");
logger_.error("Invalid set point (normalized) value. Exception: " + ex.getMessage());
return false;
}
//for completeness
@SuppressWarnings("unused")
int qualifier = request.asdu.infoObjects.get(0).infoElements[0].getQualifier();
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//set point CON (COT=7)
logger_.info("Sending set point, normalized, command confirm (C_SE_NA_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
//pass the control
//TODO
//set point END (COT=10)
logger_.info("Sending set point, normalized, command end (C_SE_NA_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else if (request.asdu.typeId == EIecTypeId.C_SE_NB_1)
{
//set point (scaled)
int address = request.asdu.infoObjects.get(0).objectAddress;
int value = 0;
try
{
value = request.asdu.infoObjects.get(0).infoElements[0].getIntValue();
logger_.info("Received set point - scaled (C_SE_NB_1). "
+ "Address: " + address + ". Value: " + value + ".");
}
catch (Exception ex)
{
logger_.info("Received set point - scaled (C_SE_NB_1). "
+ "Address: " + address + ". Invalid value!");
logger_.error("Invalid set point (scaled) value. Exception: " + ex.getMessage());
return false;
}
//for completeness
@SuppressWarnings("unused")
int qualifier = request.asdu.infoObjects.get(0).infoElements[0].getQualifier();
//reply to data request only if the data transfer has been enabled
if (!isDataEnabled_)
{
logger_.warn("Data transfer is not enabled. It will be ignored.");
return false;
}
//ensure the COT=6
if (request.asdu.causeOfTransmission.value() != EIecCauseOfTransmission.ACTIVATION.value())
{
logger_.warn("Cause of Transmission is not ACTIVATION (6). Maybe we should ignore this message?");
logger_.warn("For now, we will just process it as if the correct COT is set.");
}
//set point CON (COT=7)
logger_.info("Sending set point, scaled, command confirm (C_SE_NB_1, COT=7).");
IecApdu response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_CONFIRM;
responses.add(response);
//pass the control
//TODO: handle the command qualifier
parent_.parent_.receiveControl(address, value);
//set point END (COT=10)
logger_.info("Sending set point, scaled, command end (C_SE_NB_1, COT=10).");
response = new IecApdu();
response.format = EIecApduFormat.I_FORMAT;
response.asdu = new IecAsdu(request.asdu);
response.asdu.causeOfTransmission = EIecCauseOfTransmission.ACTIVATION_TERMINATE;
responses.add(response);
}
else
{