PVStructurePtr MasarService::request(
PVStructurePtr const & pvArgument) throw (epics::pvAccess::RPCRequestException)
{
try{
assert(dslRdb.get() != NULL);
string functionName(pvArgument->getSubFieldT<PVString>("function")->get());
if(functionName.empty()) {
throw epics::pvAccess::RPCRequestException(
Status::STATUSTYPE_ERROR,"pvArgument has an unsupported function");
}
if(!NTNameValue::is_a(pvArgument->getStructure())) {
// support non NTNameValue Pair for some general purpose client, for example command line tools
const StringArray& fieldNames = pvArgument->getStructure()->getFieldNames();
size_t fieldcounts = fieldNames.size();
shared_vector<string> names (fieldcounts-1);
shared_vector<string> values (fieldcounts-1);
size_t counts = 0;
for (size_t i = 0; i < fieldcounts; i ++) {
if(fieldNames[i].compare("function")!=0) {
names[counts] = fieldNames[i];
values[counts] = pvArgument->getSubFieldT<PVString>(fieldNames[i])->get();
counts += 1;
}
}
PVStructurePtr result = dslRdb->request(functionName, freeze(names), freeze(values));
return result;
} else{
const shared_vector<const string> name = pvArgument->getSubFieldT<PVStringArray>("name")->view();
const shared_vector<const string> value = pvArgument->getSubFieldT<PVStringArray>("value")->view();
PVStructurePtr result = dslRdb->request(functionName, name, value);
return result;
}
}catch(epics::pvAccess::RPCRequestException&){
throw;
}catch(std::exception& e){
// since request(RPCRequestException) in our base class has a throw() specifier,
// if anything else is thrown we abort() :P
// so must translate all exceptions to RPCRequestException.
throw epics::pvAccess::RPCRequestException(Status::STATUSTYPE_ERROR,
std::string("request failed ") + e.what());
}
}
size_t fromString(PVStructurePtr const & pvStructure, StringArray const & from, size_t fromStartIndex = 0)
{
// handle enum in a special way
if (pvStructure->getStructure()->getID() == "enum_t")
{
int32 index = -1;
PVInt::shared_pointer pvIndex = pvStructure->getSubField<PVInt>("index");
if (!pvIndex)
throw std::runtime_error("enum_t structure does not have 'int index' field");
PVStringArray::shared_pointer pvChoices = pvStructure->getSubField<PVStringArray>("choices");
if (!pvChoices)
throw std::runtime_error("enum_t structure does not have 'string choices[]' field");
PVStringArray::const_svector choices(pvChoices->view());
if (enumMode == AutoEnum || enumMode == StringEnum)
{
shared_vector<string>::const_iterator it = std::find(choices.begin(), choices.end(), from[fromStartIndex]);
if (it != choices.end())
index = static_cast<int32>(it - choices.begin());
else if (enumMode == StringEnum)
throw runtime_error("enum string value '" + from[fromStartIndex] + "' invalid");
}
if ((enumMode == AutoEnum && index == -1) || enumMode == NumberEnum)
{
istringstream iss(from[fromStartIndex]);
iss >> index;
// not fail and entire value is parsed (e.g. to detect 1.2 parsing to 1)
if (iss.fail() || !iss.eof())
throw runtime_error("enum value '" + from[fromStartIndex] + "' invalid");
if (index < 0 || index >= static_cast<int32>(choices.size()))
throw runtime_error("index '" + from[fromStartIndex] + "' out of bounds");
}
void testPVNTField()
{
testDiag("testPVNTField");
StringArray choices;
choices.resize(3);
choices[0] = "one";
choices[1] = "two";
choices[2] = "three";
PVStructurePtr pvStructure = PVStructurePtr(
pvntField->createEnumerated(choices));
cout << *pvStructure << endl;
testOk1(ntField->isEnumerated(pvStructure->getStructure()));
pvStructure = PVStructurePtr(pvntField->createTimeStamp());
cout << *pvStructure << endl;
testOk1(ntField->isTimeStamp(pvStructure->getStructure()));
pvStructure = PVStructurePtr(pvntField->createAlarm());
cout << *pvStructure << endl;
testOk1(ntField->isAlarm(pvStructure->getStructure()));
pvStructure = PVStructurePtr(pvntField->createDisplay());
cout << *pvStructure << endl;
testOk1(ntField->isDisplay(pvStructure->getStructure()));
pvStructure = PVStructurePtr(pvDataCreate->createPVStructure(standardField->doubleAlarm()));
cout << *pvStructure << endl;
testOk1(ntField->isAlarmLimit(pvStructure->getStructure()));
PVStructureArrayPtr pvStructureArray = PVStructureArrayPtr(
pvntField->createEnumeratedArray());
cout << *pvStructure << endl;
cout << *pvStructureArray->getStructureArray()->getStructure();
pvStructureArray = PVStructureArrayPtr(
pvntField->createTimeStampArray());
cout << *pvStructure << endl;
cout << *pvStructureArray->getStructureArray()->getStructure();
pvStructureArray = PVStructureArrayPtr(
pvntField->createAlarmArray());
cout << *pvStructure << endl;
cout << *pvStructureArray->getStructureArray()->getStructure();
}
void testDeserializeStructureAndCreatePVStructure()
{
buffer->clear();
registry->reset();
StructureConstPtr structureIn = getStructure("structure1");
serialize(structureIn,registry);
buffer->flip();
PVStructurePtr pvStructureOut = registry->deserializeStructureAndCreatePVStructure(buffer,control);
StructureConstPtr structureOut = pvStructureOut->getStructure();
assert(structureIn->getFieldName() == structureOut->getFieldName());
assert(structureIn->getType() == structureOut->getType());
delete pvStructureOut;
}
PVFieldPtr PVDataCreate::createPVField(PVFieldPtr const & fieldToClone)
{
switch(fieldToClone->getField()->getType()) {
case scalar:
{
PVScalarPtr pvScalar = static_pointer_cast<PVScalar>(fieldToClone);
return createPVScalar(pvScalar);
}
case scalarArray:
{
PVScalarArrayPtr pvScalarArray
= static_pointer_cast<PVScalarArray>(fieldToClone);
return createPVScalarArray(pvScalarArray);
}
case structure:
{
PVStructurePtr pvStructure
= static_pointer_cast<PVStructure>(fieldToClone);
StringArray const & fieldNames = pvStructure->getStructure()->getFieldNames();
PVFieldPtrArray const & pvFieldPtrArray = pvStructure->getPVFields();
return createPVStructure(fieldNames,pvFieldPtrArray);
}
case structureArray:
{
PVStructureArrayPtr from
= static_pointer_cast<PVStructureArray>(fieldToClone);
StructureArrayConstPtr structureArray = from->getStructureArray();
PVStructureArrayPtr to = createPVStructureArray(
structureArray);
to->copyUnchecked(*from);
return to;
}
case union_:
{
PVUnionPtr pvUnion
= static_pointer_cast<PVUnion>(fieldToClone);
return createPVUnion(pvUnion);
}
case unionArray:
{
PVUnionArrayPtr from
= static_pointer_cast<PVUnionArray>(fieldToClone);
UnionArrayConstPtr unionArray = from->getUnionArray();
PVUnionArrayPtr to = createPVUnionArray(unionArray);
to->copyUnchecked(*from);
return to;
}
}
throw std::logic_error("PVDataCreate::createPVField should never get here");
}
PVStructurePtr PVDataCreate::createPVStructure(PVStructurePtr const & structToClone)
{
FieldConstPtrArray field;
if(!structToClone) {
// is this correct?!
FieldConstPtrArray fields(0);
StringArray fieldNames(0);
StructureConstPtr structure = fieldCreate->createStructure(fieldNames,fields);
return PVStructurePtr(new PVStructure(structure));
}
StructureConstPtr structure = structToClone->getStructure();
PVStructurePtr pvStructure(new PVStructure(structure));
pvStructure->copyUnchecked(*structToClone);
return pvStructure;
}
static void testRequest()
{
StringArray nullNames;
FieldConstPtrArray nullFields;
StringArray optionNames(1);
FieldConstPtrArray optionFields(1);
optionNames[0] = "process";
optionFields[0] = fieldCreate->createScalar(pvString);
StringArray recordNames(1);
FieldConstPtrArray recordFields(1);
recordNames[0] = "_options";
recordFields[0] = fieldCreate->createStructure(optionNames,optionFields);
StringArray fieldNames(2);
FieldConstPtrArray fieldFields(2);
fieldNames[0] = "alarm";
fieldFields[0] = fieldCreate->createStructure(nullNames,nullFields);
fieldNames[1] = "timeStamp";
fieldFields[1] = fieldCreate->createStructure(nullNames,nullFields);
StringArray topNames(2);
FieldConstPtrArray topFields(2);
topNames[0] = "record";
topFields[0] = fieldCreate->createStructure(recordNames,recordFields);
topNames[1] = "field";
topFields[1] = fieldCreate->createStructure(fieldNames,fieldFields);
StructureConstPtr topStructure = fieldCreate->createStructure(
topNames,topFields);
cout << *topStructure << endl;
PVStructurePtr pvTop = pvDataCreate->createPVStructure(topStructure);
cout << *pvTop << endl;
cout << *pvTop->getStructure() << endl;
PVStructurePtr xxx = pvTop->getSubField<PVStructure>("record");
cout << *xxx << endl;
xxx = pvTop->getSubField<PVStructure>("field");
cout << *xxx << endl;
PVStringPtr pvString = pvTop->getSubField<PVString>("record._options.process");
pvString->put("true");
cout << *pvTop << endl;
string subName("record._options.process");
PVFieldPtr pvField = pvTop->getSubField<PVString>(subName);
string fieldName = pvField->getFieldName();
string fullName = pvField->getFullName();
cout << "fieldName " << fieldName << " fullName " << fullName << endl;
testOk1(fieldName.compare("process")==0);
testOk1(fullName.compare(subName)==0);
}
ChannelGetLocalPtr ChannelGetLocal::create(
ChannelLocalPtr const &channelLocal,
ChannelGetRequester::shared_pointer const & channelGetRequester,
PVStructurePtr const & pvRequest,
PVRecordPtr const &pvRecord)
{
PVCopyPtr pvCopy = PVCopy::create(
pvRecord->getPVRecordStructure()->getPVStructure(),
pvRequest,
"");
if(!pvCopy) {
Status status(
Status::STATUSTYPE_ERROR,
"invalid pvRequest");
ChannelGet::shared_pointer channelGet;
channelGetRequester->channelGetConnect(
status,
channelGet,
nullStructure);
ChannelGetLocalPtr localGet;
return localGet;
}
PVStructurePtr pvStructure = pvCopy->createPVStructure();
BitSetPtr bitSet(new BitSet(pvStructure->getNumberFields()));
ChannelGetLocalPtr get(new ChannelGetLocal(
getProcess(pvRequest,false),
channelLocal,
channelGetRequester,
pvCopy,
pvStructure,
bitSet,
pvRecord));
if(pvRecord->getTraceLevel()>0)
{
cout << "ChannelGetLocal::create";
cout << " recordName " << pvRecord->getRecordName() << endl;
}
channelGetRequester->channelGetConnect(
Status::Ok,get,pvStructure->getStructure());
return get;
}
size_t Convert::fromString(PVStructurePtr const &pvStructure, StringArray const & from, size_t fromStartIndex)
{
size_t processed = 0;
PVFieldPtrArray const & fieldsData = pvStructure->getPVFields();
if (fieldsData.size() != 0) {
size_t length = pvStructure->getStructure()->getNumberFields();
for(size_t i=0; i<length; i++) {
PVFieldPtr fieldField = fieldsData[i];
Type type = fieldField->getField()->getType();
if(type==structure) {
PVStructurePtr pv = static_pointer_cast<PVStructure>(fieldField);
size_t count = fromString(pv, from, fromStartIndex);
processed += count;
fromStartIndex += count;
}
else if(type==scalarArray) {
PVScalarArrayPtr pv = static_pointer_cast<PVScalarArray>(fieldField);
size_t count = fromString(pv, from[fromStartIndex]);
processed += count;
fromStartIndex += count;
}
else if(type==scalar) {
PVScalarPtr pv = static_pointer_cast<PVScalar>(fieldField);
fromString(pv, from[fromStartIndex++]);
processed++;
}
else {
// union, structureArray, unionArray not supported
std::ostringstream oss;
oss << "Convert::fromString unsupported fieldType " << type;
throw std::logic_error(oss.str());
}
}
}
return processed;
}
static void test()
{
NTMultiChannelBuilderPtr builder = NTMultiChannel::createBuilder();
testOk(builder.get() != 0, "Got builder");
NTMultiChannelPtr multiChannel = builder->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
add("extra1",fieldCreate->createScalar(pvString)) ->
add("extra2",fieldCreate->createScalarArray(pvString)) ->
create();
testOk1(multiChannel.get() != 0);
PVStructurePtr pvStructure = multiChannel->getPVStructure();
testOk1(pvStructure.get()!=NULL);
testOk1(NTMultiChannel::is_a(pvStructure->getStructure()));
size_t nchan = 3;
shared_vector<string> names(nchan);
names[0] = "channel 0";
names[1] = "channel 1";
names[2] = "channel 2";
shared_vector<const string> channelNames(freeze(names));
PVStringArrayPtr pvChannelName = multiChannel->getChannelName();
pvChannelName->replace(channelNames);
if(debug) {cout << *pvStructure << endl;}
UnionConstPtr unionPtr =
fieldCreate->createFieldBuilder()->
add("doubleValue", pvDouble)->
add("intValue", pvInt)->
createUnion();
multiChannel = builder->
value(unionPtr) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
pvChannelName = multiChannel->getChannelName();
pvChannelName->replace(channelNames);
PVUnionArrayPtr pvValue = multiChannel->getValue();
shared_vector<PVUnionPtr> unions(nchan);
unions[0] = pvDataCreate->createPVUnion(unionPtr);
unions[1] = pvDataCreate->createPVUnion(unionPtr);
unions[2] = pvDataCreate->createPVUnion(unionPtr);
unions[0]->select("doubleValue");
unions[1]->select("intValue");
unions[2]->select("intValue");
PVDoublePtr pvDouble = unions[0]->get<PVDouble>();
pvDouble->put(1.235);
PVIntPtr pvInt = unions[1]->get<PVInt>();
pvInt->put(5);
pvInt = unions[2]->get<PVInt>();
pvInt->put(7);
pvValue->replace(freeze(unions));
shared_vector<int32> severities(nchan);
severities[0] = 0;
severities[1] = 1;
severities[2] = 2;
PVIntArrayPtr pvSeverity = multiChannel->getSeverity();
pvSeverity->replace(freeze(severities));
if(debug) {cout << *pvStructure << endl;}
PVBooleanArrayPtr pvIsConnected = multiChannel->getIsConnected();
shared_vector<const epics::pvData::boolean> isConnected = pvIsConnected->view();
multiChannel = builder->
value(unionPtr) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addStatus() ->
addMessage() ->
addSecondsPastEpoch() ->
addNanoseconds() ->
addUserTag() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
testOk1(NTMultiChannel::isCompatible(pvStructure)==true);
PVStructurePtr pvTimeStamp = multiChannel->getTimeStamp();
testOk1(pvTimeStamp.get() !=0);
PVStructurePtr pvAlarm = multiChannel->getAlarm();
testOk1(pvAlarm.get() !=0);
pvValue = multiChannel->getValue();
testOk1(pvValue.get() !=0);
pvChannelName = multiChannel->getChannelName();
testOk1(pvChannelName.get() !=0);
pvIsConnected = multiChannel->getIsConnected();
testOk1(pvIsConnected.get() !=0);
pvSeverity = multiChannel->getSeverity();
testOk1(pvSeverity.get() !=0);
PVIntArrayPtr pvStatus = multiChannel->getStatus();
testOk1(pvStatus.get() !=0);
PVStringArrayPtr pvMessage = multiChannel->getMessage();
testOk1(pvMessage.get() !=0);
PVLongArrayPtr pvSecondsPastEpoch = multiChannel->getSecondsPastEpoch();
testOk1(pvSecondsPastEpoch.get() !=0);
PVIntArrayPtr pvNanoseconds = multiChannel->getNanoseconds();
testOk1(pvNanoseconds.get() !=0);
PVIntArrayPtr pvUserTag = multiChannel->getUserTag();
testOk1(pvUserTag.get() !=0);
PVStringPtr pvDescriptor = multiChannel->getDescriptor();
testOk1(pvDescriptor.get() !=0);
}
bool NTMatrix::isCompatible(PVStructurePtr const & pvStructure)
{
if(!pvStructure) return false;
return isCompatible(pvStructure->getStructure());
}
static void test()
{
NTScalarMultiChannelBuilderPtr builder = NTScalarMultiChannel::createBuilder();
testOk(builder.get() != 0, "Got builder");
NTScalarMultiChannelPtr multiChannel = builder->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
add("extra1",fieldCreate->createScalar(pvString)) ->
add("extra2",fieldCreate->createScalarArray(pvString)) ->
create();
testOk1(multiChannel.get() != 0);
PVStructurePtr pvStructure = multiChannel->getPVStructure();
testOk1(pvStructure.get()!=NULL);
testOk1(NTScalarMultiChannel::is_a(pvStructure->getStructure()));
size_t nchan = 3;
shared_vector<string> names(nchan);
names[0] = "channel 0";
names[1] = "channel 1";
names[2] = "channel 2";
shared_vector<const string> channelNames(freeze(names));
PVStringArrayPtr pvChannelName = multiChannel->getChannelName();
pvChannelName->replace(channelNames);
if(debug) {cout << *pvStructure << endl;}
multiChannel = builder->
value(pvDouble) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
pvChannelName = multiChannel->getChannelName();
pvChannelName->replace(channelNames);
PVDoubleArrayPtr pvValue = multiChannel->getValue<PVDoubleArray>();
PVDoubleArray::svector doubles(nchan);
doubles.resize(nchan);
doubles[0] = 3.14159;
doubles[1] = 2.71828;
doubles[2] = 137.036;
pvValue->replace(freeze(doubles));
shared_vector<int32> severities(nchan);
severities[0] = 0;
severities[1] = 1;
severities[2] = 2;
PVIntArrayPtr pvSeverity = multiChannel->getSeverity();
pvSeverity->replace(freeze(severities));
if(debug) {cout << *pvStructure << endl;}
PVBooleanArrayPtr pvIsConnected = multiChannel->getIsConnected();
shared_vector<const epics::pvData::boolean> isConnected = pvIsConnected->view();
multiChannel = builder->
value(pvDouble) ->
addDescriptor()->
addAlarm()->
addTimeStamp()->
addSeverity() ->
addStatus() ->
addMessage() ->
addSecondsPastEpoch() ->
addNanoseconds() ->
addUserTag() ->
addIsConnected() ->
create();
testOk1(multiChannel.get() != 0);
pvStructure = multiChannel->getPVStructure();
if(debug) {cout << *pvStructure << endl;}
testOk1(NTScalarMultiChannel::isCompatible(pvStructure)==true);
PVStructurePtr pvTimeStamp = multiChannel->getTimeStamp();
testOk1(pvTimeStamp.get() !=0);
PVStructurePtr pvAlarm = multiChannel->getAlarm();
testOk1(pvAlarm.get() !=0);
pvValue = multiChannel->getValue<PVDoubleArray>();
testOk1(pvValue.get() !=0);
pvChannelName = multiChannel->getChannelName();
testOk1(pvChannelName.get() !=0);
pvIsConnected = multiChannel->getIsConnected();
testOk1(pvIsConnected.get() !=0);
pvSeverity = multiChannel->getSeverity();
testOk1(pvSeverity.get() !=0);
PVIntArrayPtr pvStatus = multiChannel->getStatus();
testOk1(pvStatus.get() !=0);
PVStringArrayPtr pvMessage = multiChannel->getMessage();
testOk1(pvMessage.get() !=0);
PVLongArrayPtr pvSecondsPastEpoch = multiChannel->getSecondsPastEpoch();
testOk1(pvSecondsPastEpoch.get() !=0);
PVIntArrayPtr pvNanoseconds = multiChannel->getNanoseconds();
testOk1(pvNanoseconds.get() !=0);
PVIntArrayPtr pvUserTag = multiChannel->getUserTag();
testOk1(pvUserTag.get() !=0);
PVStringPtr pvDescriptor = multiChannel->getDescriptor();
testOk1(pvDescriptor.get() !=0);
}
bool NTHistogram::isCompatible(PVStructurePtr const & pvStructure)
{
if(!pvStructure.get()) return false;
return isCompatible(pvStructure->getStructure());
}
bool NTAttribute::is_a(PVStructurePtr const & pvStructure)
{
return is_a(pvStructure->getStructure());
}
bool NTScalar::is_a(PVStructurePtr const & pvStructure)
{
return is_a(pvStructure->getStructure());
}
