bool NTMultiChannel::isCompatible(PVStructurePtr const &pvStructure)
{
if(!pvStructure) return false;
PVUnionArrayPtr pvValue = pvStructure->getSubField<PVUnionArray>("value");
if(!pvValue) return false;
PVFieldPtr pvField = pvStructure->getSubField("descriptor");
if(pvField && !pvStructure->getSubField<PVString>("descriptor")) return false;
pvField = pvStructure->getSubField("alarm");
if(pvField && !ntField->isAlarm(pvField->getField())) return false;
pvField = pvStructure->getSubField("timeStamp");
if(pvField && !ntField->isTimeStamp(pvField->getField())) return false;
pvField = pvStructure->getSubField("severity");
if(pvField && !pvStructure->getSubField<PVIntArray>("severity")) return false;
pvField = pvStructure->getSubField("status");
if(pvField && !pvStructure->getSubField<PVIntArray>("status")) return false;
pvField = pvStructure->getSubField("message");
if(pvField && !pvStructure->getSubField<PVStringArray>("message")) return false;
pvField = pvStructure->getSubField("secondsPastEpoch");
if(pvField && !pvStructure->getSubField<PVLongArray>("secondsPastEpoch")) return false;
pvField = pvStructure->getSubField("nanoseconds");
if(pvField && !pvStructure->getSubField<PVIntArray>("nanoseconds")) return false;
pvField = pvStructure->getSubField("userTag");
if(pvField && !pvStructure->getSubField<PVIntArray>("userTag")) return false;
return true;
}
bool NTTable::isCompatible(PVStructurePtr const & pvStructure)
{
if(!pvStructure) return false;
PVFieldPtr pvField = pvStructure->getSubField("alarm");
if(pvField && !ntField->isAlarm(pvField->getField())) return false;
pvField = pvStructure->getSubField("timeStamp");
if(pvField && !ntField->isTimeStamp(pvField->getField())) return false;
PVStringArrayPtr pvLabel = pvStructure->getSubField<PVStringArray>("labels");
if(!pvLabel) return false;
return true;
}
bool ExampleLink::init()
{
initPVRecord();
PVStructurePtr pvStructure = getPVRecordStructure()->getPVStructure();
pvTimeStamp.attach(pvStructure->getSubField("timeStamp"));
pvAlarm.attach(pvStructure->getSubField("alarm"));
pvValue = pvStructure->getSubField<PVDoubleArray>("value");
if(!pvValue) {
return false;
}
ChannelProvider::shared_pointer provider =
getChannelProviderRegistry()->getProvider(providerName);
if(!provider) {
cout << getRecordName() << " provider "
<< providerName << " does not exist" << endl;
return false;
}
ChannelRequester::shared_pointer channelRequester =
dynamic_pointer_cast<ChannelRequester>(getPtrSelf());
channel = provider->createChannel(channelName,channelRequester);
event.wait();
if(!status.isOK()) {
cout << getRecordName() << " createChannel failed "
<< status.getMessage() << endl;
return false;
}
ChannelGetRequester::shared_pointer channelGetRequester =
dynamic_pointer_cast<ChannelGetRequester>(getPtrSelf());
PVStructurePtr pvRequest = CreateRequest::create()->createRequest(
"value,alarm,timeStamp");
channelGet = channel->createChannelGet(channelGetRequester,pvRequest);
event.wait();
if(!status.isOK()) {
cout << getRecordName() << " createChannelGet failed "
<< status.getMessage() << endl;
return false;
}
getPVValue = getPVStructure->getSubField<PVDoubleArray>("value");
if(!getPVValue) {
cout << getRecordName() << " get value not PVDoubleArray" << endl;
return false;
}
MonitorRequester::shared_pointer monitorRequester =
dynamic_pointer_cast<MonitorRequester>(getPtrSelf());
monitor = channel->createMonitor(monitorRequester,pvRequest);
return true;
}
string PvaClientData::getString()
{
if(PvaClient::getDebug()) cout << "PvaClientData::getString\n";
PVScalarPtr pvScalar;
PVStructurePtr pvStructure = getPVStructure();
PVFieldPtr pvValue = pvStructure->getSubField("value");
if(pvValue) {
Type type = pvValue->getField()->getType();
if(type==scalar) pvScalar = static_pointer_cast<PVScalar>(pvValue);
}
if(!pvScalar) {
while(true) {
const PVFieldPtrArray fieldPtrArray(pvStructure->getPVFields());
if(fieldPtrArray.size()!=1) {
throw std::logic_error(
"PvaClientData::getString() pvRequest for multiple fields");
}
PVFieldPtr pvField(fieldPtrArray[0]);
Type type = pvField->getField()->getType();
if(type==scalar) {
pvScalar = static_pointer_cast<PVScalar>(pvField);
break;
}
if(pvField->getField()->getType()!=epics::pvData::structure) break;
pvStructure = static_pointer_cast<PVStructure>(pvField);
}
}
if(!pvScalar) {
throw std::logic_error(
"PvaClientData::getString() did not find a scalar field");
}
return convert->toString(pvScalar);
}
bool NTScalar::isCompatible(PVStructurePtr const & pvStructure)
{
if(!pvStructure) return false;
PVScalarPtr pvValue = pvStructure->getSubField<PVScalar>("value");
if(!pvValue) return false;
PVFieldPtr pvField = pvStructure->getSubField("descriptor");
if(pvField && !pvStructure->getSubField<PVString>("descriptor")) return false;
pvField = pvStructure->getSubField("alarm");
if(pvField && !ntField->isAlarm(pvField->getField())) return false;
pvField = pvStructure->getSubField("timeStamp");
if(pvField && !ntField->isTimeStamp(pvField->getField())) return false;
pvField = pvStructure->getSubField("display");
if(pvField && !ntField->isDisplay(pvField->getField())) return false;
pvField = pvStructure->getSubField("control");
if(pvField && !ntField->isControl(pvField->getField())) return false;
return true;
}
bool PowerSupply::init()
{
initPVRecord();
PVStructurePtr pvStructure = getPVStructure();
PVFieldPtr pvField;
bool result;
pvField = pvStructure->getSubField("timeStamp");
if(!pvField) {
cerr << "no timeStamp" << endl;
return false;
}
result = pvTimeStamp.attach(pvField);
if(!result) {
cerr << "no timeStamp" << endl;
return false;
}
pvField = pvStructure->getSubField("alarm");
if(!pvField) {
cerr << "no alarm" << endl;
return false;
}
result = pvAlarm.attach(pvField);
if(!result) {
cerr << "no alarm" << endl;
return false;
}
pvCurrent = pvStructure->getSubField<PVDouble>("current.value");
if(!pvCurrent) {
cerr << "no current\n";
return false;
}
pvVoltage = pvStructure->getSubField<PVDouble>("voltage.value");
if(!pvVoltage) {
cerr << "no current\n";
return false;
}
pvPower = pvStructure->getSubField<PVDouble>("power.value");
if(!pvPower) {
cerr << "no powert\n";
return false;
}
return true;
}
static bool checkBitSetPVField(
PVFieldPtr const &pvField,BitSetPtr const &bitSet,int32 initialOffset)
{
int32 offset = initialOffset;
int32 nbits = static_cast<int32>(pvField->getNumberFields());
if(nbits==1) return bitSet->get(offset);
int32 nextSetBit = bitSet->nextSetBit(offset);
if(nextSetBit>=(offset+nbits)) return false;
if(nextSetBit<0) return false;
if(bitSet->get(offset)) {
if(nbits>1) {
for(int32 i=offset+1; i<offset+nbits; i++) bitSet->clear(i);
}
return true;
}
bool atLeastOneBitSet = false;
bool allBitsSet = true;
PVStructurePtr pvStructure = static_pointer_cast<PVStructure>(pvField);
offset = static_cast<int32>(pvStructure->getFieldOffset()) + 1;
while(offset<initialOffset + nbits) {
PVFieldPtr pvSubField = pvStructure->getSubField(offset);
int32 nbitsNow = static_cast<int32>(pvSubField->getNumberFields());
if(nbitsNow==1) {
if(bitSet->get(offset)) {
atLeastOneBitSet = true;
} else {
allBitsSet = false;
}
offset++;
} else {
bool result = checkBitSetPVField(pvSubField,bitSet,offset);
if(result) {
atLeastOneBitSet = true;
if(!bitSet->get(offset)) {
allBitsSet = false;
}
} else {
allBitsSet = false;
}
offset += static_cast<int32>(pvSubField->getNumberFields());
}
}
if(allBitsSet) {
if(nbits>1) {
for(int32 i=initialOffset+1; i<initialOffset+nbits; i++) {
bitSet->clear(i);
}
}
bitSet->set(initialOffset);
}
return atLeastOneBitSet;
}
void PowerSupplyRecord::initPvt()
{
initPVRecord();
PVStructurePtr pvStructure = getPVStructure();
PVFieldPtr pvField;
pvField = pvStructure->getSubField("alarm");
pvAlarm.attach(pvField);
pvCurrent = pvStructure->getSubField<PVDouble>("current.value");
pvVoltage = pvStructure->getSubField<PVDouble>("voltage.value");
pvPower = pvStructure->getSubField<PVDouble>("power.value");
alarm.setMessage("bad voltage");
alarm.setSeverity(majorAlarm);
pvAlarm.set(alarm);
}
shared_vector<const double> PvaClientData::getDoubleArray()
{
if(PvaClient::getDebug()) cout << "PvaClientData::getDoubleArray\n";
PVScalarArrayPtr pvScalarArray;
PVStructurePtr pvStructure = getPVStructure();
PVFieldPtr pvValue = pvStructure->getSubField("value");
if(pvValue) {
Type type = pvValue->getField()->getType();
if(type==scalarArray) {
pvScalarArray = static_pointer_cast<PVScalarArray>(pvValue);
}
}
if(!pvScalarArray) {
while(true) {
const PVFieldPtrArray fieldPtrArray(pvStructure->getPVFields());
if(fieldPtrArray.size()!=1) {
throw std::logic_error(
"PvaClientData::getDoubleArray() pvRequest for multiple fields");
}
PVFieldPtr pvField(fieldPtrArray[0]);
Type type = pvField->getField()->getType();
if(type==scalarArray) {
pvScalarArray = static_pointer_cast<PVScalarArray>(pvField);
break;
}
if(pvField->getField()->getType()!=epics::pvData::structure) break;
pvStructure = static_pointer_cast<PVStructure>(pvField);
}
}
if(!pvScalarArray) {
throw std::logic_error(
"PvaClientData::getDoubleArray() did not find a scalarArray field");
}
ScalarType scalarType = pvScalarArray->getScalarArray()->getElementType();
if(!ScalarTypeFunc::isNumeric(scalarType)) {
throw std::logic_error(
"PvaClientData::getDoubleArray() did not find a numeric scalarArray field");
}
shared_vector<const double> retValue;
pvScalarArray->getAs<const double>(retValue);
return retValue;
}
bool RecordListRecord::init()
{
initPVRecord();
PVStructurePtr pvStructure = getPVStructure();
database = pvStructure->getStringField("argument.database");
if(database.get()==NULL) return false;
regularExpression = pvStructure->getStringField(
"argument.regularExpression");
if(regularExpression.get()==NULL) return false;
status = pvStructure->getStringField("result.status");
if(status.get()==NULL) return false;
PVFieldPtr pvField = pvStructure->getSubField("result.names");
if(pvField.get()==NULL) {
std::cerr << "no result.names" << std::endl;
return false;
}
name = static_pointer_cast<PVStringArray>(
pvStructure->getScalarArrayField("result.names",pvString));
if(name.get()==NULL) return false;
return true;
}
bool PowerSupplyRecord::init()
{
initPVRecord();
PVStructurePtr pvStructure = getPVStructure();
PVFieldPtr pvField;
bool result;
pvField = pvStructure->getSubField("alarm");
if(!pvField) {
cerr << "no alarm" << endl;
return false;
}
result = pvAlarm.attach(pvField);
if(!result) {
cerr << "no alarm" << endl;
return false;
}
pvCurrent = pvStructure->getSubField<PVDouble>("current.value");
if(!pvCurrent) {
cerr << "no current\n";
return false;
}
pvVoltage = pvStructure->getSubField<PVDouble>("voltage.value");
if(!pvVoltage) {
cerr << "no current\n";
return false;
}
pvPower = pvStructure->getSubField<PVDouble>("power.value");
if(!pvPower) {
cerr << "no power\n";
return false;
}
alarm.setMessage("bad voltage");
alarm.setSeverity(majorAlarm);
pvAlarm.set(alarm);
return true;
}
static void testPVScalar(
string const & valueNameRecord,
string const & valueNameCopy,
PVRecordPtr const & pvRecord,
PVCopyPtr const & pvCopy)
{
PVStructurePtr pvStructureRecord;
PVStructurePtr pvStructureCopy;
PVFieldPtr pvField;
PVScalarPtr pvValueRecord;
PVScalarPtr pvValueCopy;
BitSetPtr bitSet;
size_t offset;
ConvertPtr convert = getConvert();
cout << endl;
pvStructureRecord = pvRecord->getPVRecordStructure()->getPVStructure();
pvField = pvStructureRecord->getSubField(valueNameRecord);
pvValueRecord = static_pointer_cast<PVScalar>(pvField);
convert->fromDouble(pvValueRecord,.04);
StructureConstPtr structure = pvCopy->getStructure();
cout << "structure from copy" << endl << *structure << endl;
pvStructureCopy = pvCopy->createPVStructure();
pvField = pvStructureCopy->getSubField(valueNameCopy);
pvValueCopy = static_pointer_cast<PVScalar>(pvField);
bitSet = BitSetPtr(new BitSet(pvStructureCopy->getNumberFields()));
pvCopy->initCopy(pvStructureCopy, bitSet);
cout << "after initCopy pvValueCopy " << convert->toDouble(pvValueCopy);
cout << endl;
convert->fromDouble(pvValueRecord,.06);
pvCopy->updateCopySetBitSet(pvStructureCopy,bitSet);
cout << "after put(.06) pvValueCopy " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
offset = pvCopy->getCopyOffset(pvValueRecord);
cout << "getCopyOffset() " << offset;
cout << " pvValueCopy->getOffset() " << pvValueCopy->getFieldOffset();
cout << " pvValueRecord->getOffset() " << pvValueRecord->getFieldOffset();
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->clear();
convert->fromDouble(pvValueRecord,1.0);
cout << "before updateCopyFromBitSet";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
bitSet->set(0);
pvCopy->updateCopyFromBitSet(pvStructureCopy,bitSet);
cout << "after updateCopyFromBitSet";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
convert->fromDouble(pvValueCopy,2.0);
bitSet->set(0);
cout << "before updateMaster";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
pvCopy->updateMaster(pvStructureCopy,bitSet);
cout << "after updateMaster";
cout << " recordValue " << convert->toDouble(pvValueRecord);
cout << " copyValue " << convert->toDouble(pvValueCopy);
cout << " bitSet " << *bitSet;
cout << endl;
}
static void test()
{
std::ostringstream oss;
if(debug) printf("\ntestBitSetUtil\n");
StringArray fieldNames;
PVFieldPtrArray pvFields;
fieldNames.reserve(5);
pvFields.reserve(5);
fieldNames.push_back("timeStamp");
fieldNames.push_back("alarm");
fieldNames.push_back("voltage");
fieldNames.push_back("power");
fieldNames.push_back("current");
pvFields.push_back(
pvDataCreate->createPVStructure(standardField->timeStamp()));
pvFields.push_back(
pvDataCreate->createPVStructure(standardField->alarm()));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
pvFields.push_back(
pvDataCreate->createPVStructure(
standardField->scalar(pvDouble,"alarm")));
PVStructurePtr pvs = pvDataCreate->createPVStructure(
fieldNames,pvFields);
if(debug) {
oss.clear();
oss << "pvs" << std::endl;
oss << *pvs << std::endl;
std::cout << oss.str();
}
int32 nfields = (int32)pvs->getNumberFields();
BitSetPtr bitSet = BitSet::create(nfields);
for(int32 i=0; i<nfields; i++) bitSet->set(i);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
BitSetUtil::compress(bitSet,pvs);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
bitSet->clear();
PVFieldPtr pvField = pvs->getSubField("timeStamp");
int32 offsetTimeStamp = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("timeStamp.secondsPastEpoch");
int32 offsetSeconds = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("timeStamp.nanoseconds");
int32 offsetNano = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("timeStamp.userTag");
int32 offsetUserTag = (int32)pvField->getFieldOffset();
bitSet->set(offsetSeconds);
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetSeconds)==true);
bitSet->set(offsetNano);
bitSet->set(offsetUserTag);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
BitSetUtil::compress(bitSet,pvs);
testOk1(bitSet->get(offsetSeconds)==false);
testOk1(bitSet->get(offsetTimeStamp)==true);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
bitSet->clear();
pvField = pvs->getSubField("current");
int32 offsetCurrent = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("current.value");
int32 offsetValue = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("current.alarm");
int32 offsetAlarm = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("current.alarm.severity");
int32 offsetSeverity = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("current.alarm.status");
int32 offsetStatus = (int32)pvField->getFieldOffset();
pvField = pvs->getSubField("current.alarm.message");
int32 offsetMessage = (int32)pvField->getFieldOffset();
bitSet->set(offsetValue);
bitSet->set(offsetSeverity);
bitSet->set(offsetStatus);
bitSet->set(offsetMessage);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
BitSetUtil::compress(bitSet,pvs);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
testOk1(bitSet->get(offsetCurrent)==true);
bitSet->clear();
bitSet->set(offsetSeverity);
bitSet->set(offsetStatus);
bitSet->set(offsetMessage);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
BitSetUtil::compress(bitSet,pvs);
if(debug) {
oss.clear();
oss << "bitSet" << std::endl;
oss << *bitSet << std::endl;
std::cout << oss.str();
}
testOk1(bitSet->get(offsetAlarm)==true);
bitSet->clear();
printf("testBitSetUtil PASSED\n");
}
