void NTNDArrayRecord::setAttributes()
{
// Get the attribute field
PVStructureArrayPtr attributeField = ndarray->getAttribute();
// Create a shared vector or reuse
PVStructureArray::svector attributes(attributeField->reuse());
attributes.reserve(1);
// Create an attribute for the Color Mode
// name: ColorMode
// value: variant union stores a PVInt with value 0
// descriptor: "Color mode"
// source: ""
// sourceType = 0
PVStructurePtr attribute = getPVDataCreate()->createPVStructure(attributeField->getStructureArray()->getStructure());
NTNDArrayAttributePtr ntattribute = NTNDArrayAttribute::wrap(attribute);
ntattribute->getName()->put("ColorMode");
PVInt::shared_pointer pvColorMode = getPVDataCreate()->createPVScalar<PVInt>();
pvColorMode->put(0);
ntattribute->getValue()->set(pvColorMode);
ntattribute->getDescriptor()->put("Color mode");
ntattribute->getSourceType()->put(0);
ntattribute->getSource()->put("");
attributes.push_back(attribute);
// Replace the attribute fields stored
attributeField->replace(freeze(attributes));
}
size_t fromString(PVStructureArrayPtr const &pv, StringArray const & from, size_t fromStartIndex = 0)
{
int processed = 0;
size_t fromValueCount = from.size();
// first get count
if (fromStartIndex >= fromValueCount)
throw std::runtime_error("not enough of values");
size_t numberOfStructures;
istringstream iss(from[fromStartIndex]);
iss >> numberOfStructures;
// not fail and entire value is parsed (e.g. to detect 1.2 parsing to 1)
if (iss.fail() || !iss.eof())
throw runtime_error("failed to parse element count value (uint) of field '" + pv->getFieldName() + "' from string value '" + from[fromStartIndex] + "'");
fromStartIndex++;
processed++;
PVStructureArray::svector pvStructures;
pvStructures.reserve(numberOfStructures);
PVDataCreatePtr pvDataCreate = getPVDataCreate();
for (size_t i = 0; i < numberOfStructures; ++i)
{
PVStructurePtr pvStructure = pvDataCreate->createPVStructure(pv->getStructureArray()->getStructure());
size_t count = fromString(pvStructure, from, fromStartIndex);
processed += count;
fromStartIndex += count;
pvStructures.push_back(pvStructure);
}
pv->replace(freeze(pvStructures));
return processed;
}
void NTNDArrayRecord::setDimension(const int32_t * dims, size_t ndims)
{
// Get the dimension field
PVStructureArrayPtr dimField = ndarray->getDimension();
// create a shared_vector or try to reuse the dimension field's one
PVStructureArray::svector dimVector(dimField->reuse());
// resize/reserve the number of elements
dimVector.resize(ndims);
// Iterate over the number of dimensions, creating and adding the
// appropriate dimension structures.
for (size_t i = 0; i < ndims; i++)
{
PVStructurePtr d = dimVector[i];
if (!d || !d.unique())
d = dimVector[i] = getPVDataCreate()->createPVStructure(dimField->getStructureArray()->getStructure());
d->getSubField<PVInt>("size")->put(dims[i]);
d->getSubField<PVInt>("offset")->put(0);
d->getSubField<PVInt>("fullSize")->put(dims[i]);
d->getSubField<PVInt>("binning")->put(1);
d->getSubField<PVBoolean>("reverse")->put(false);
}
// replace the dimensions field's shared_vector
// (Remember to freeze first)
dimField->replace(freeze(dimVector));
}
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");
}
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();
}
int64 NTNDArray::getExpectedUncompressedSize()
{
int64 size = 0;
PVStructureArrayPtr pvDim = getDimension();
if (pvDim->getLength() != 0)
{
PVStructureArray::const_svector data = pvDim->view();
size = getValueTypeSize();
for (PVStructureArray::const_svector::const_iterator it = data.begin();
it != data.end(); ++it )
{
PVStructurePtr dim = *it;
size *= dim->getSubField<PVInt>("size")->get();
}
}
return size;
}
void ExampleServiceRPC::request(
ChannelRPCRequester::shared_pointer const & channelRPCRequester,
epics::pvData::PVStructure::shared_pointer const & pvArgument)
{
String buffer;
PVStringPtr pvfunction = pvArgument->getStringField("function");
PVStringArrayPtr pvnames = static_pointer_cast<PVStringArray>
(pvArgument->getScalarArrayField("names",pvString));
PVStringArrayPtr pvvalues = static_pointer_cast<PVStringArray>
(pvArgument->getScalarArrayField("values",pvString));
buffer += "pvArgument ";
bool is = true;
if(pvfunction==0) is = false;
if(pvnames==0) is = false;
if(pvvalues==0) is = false;
if(is) {
buffer += "is a NTNameValue\n";
} else {
buffer += "is not a NTNameValue\n ";
}
pvArgument->toString(&buffer);
printf("%s\n",buffer.c_str());
StandardFieldPtr standardField = getStandardField();
StandardPVFieldPtr standardPVField = getStandardPVField();
FieldCreatePtr fieldCreate = getFieldCreate();
PVDataCreatePtr pvDataCreate = getPVDataCreate();
size_t n = 5;
FieldConstPtrArray fields;
StringArray names;
fields.reserve(n);
names.reserve(n);
names.push_back("alarm");
names.push_back("timeStamp");
names.push_back("label");
names.push_back("position");
names.push_back("alarms");
StructureConstPtr xxx = standardField->alarm();
printf("xxx %p\n",xxx.get());
fields.push_back(standardField->alarm());
fields.push_back(standardField->timeStamp());
fields.push_back(fieldCreate->createScalarArray(pvString));
fields.push_back(fieldCreate->createScalarArray(pvDouble));
fields.push_back(fieldCreate->createStructureArray(standardField->alarm()));
StructureConstPtr structure = fieldCreate->createStructure(names,fields);
printf("structure %p\n",structure.get());
buffer.clear();
structure->toString(&buffer);
printf("structure\n%s\n",buffer.c_str());
PVStructurePtr pvStructure = pvDataCreate->createPVStructure(structure);
PVTimeStamp pvTimeStamp;
TimeStamp timeStamp;
pvTimeStamp.attach(pvStructure->getStructureField("timeStamp"));
timeStamp.getCurrent();
pvTimeStamp.set(timeStamp);
StringArray label;
label.reserve(2);
for(int i=0; i<2; i++) {
label.push_back(names[i+3]);
}
PVStringArrayPtr pvLabel = static_pointer_cast<PVStringArray>
(pvStructure->getScalarArrayField("label",pvString));
pvLabel->put(0,2,label,0);
PVDoubleArrayPtr pvPositions = static_pointer_cast<PVDoubleArray>
(pvStructure->getScalarArrayField("position",pvDouble));
double positions[2];
positions[0] = 1.0;
positions[1] = 2.0;
pvPositions->put(0,2,positions,0);
PVStructureArrayPtr pvAlarms = static_pointer_cast<PVStructureArray>
(pvStructure->getStructureArrayField("alarms"));
PVAlarm pvAlarm;
Alarm alarm;
PVStructurePtrArray palarms;
size_t na=2;
palarms.reserve(na);
for(size_t i=0; i<na; i++) {
palarms.push_back(pvDataCreate->createPVStructure(standardField->alarm()));
}
for(size_t i=0; i<na; i++) {
pvAlarm.attach(palarms[i]);
alarm.setMessage("test");
alarm.setSeverity(majorAlarm);
alarm.setStatus(clientStatus);
pvAlarm.set(alarm);
}
pvAlarms->put(0,2,palarms,0);
String labels[2];
labels[0] = pvPositions->getFieldName();
labels[1] = pvAlarms->getFieldName();
pvLabel->put(0,2,labels,0);
buffer.erase();
pvStructure->toString(&buffer);
printf("%s\n",buffer.c_str());
channelRPCRequester->requestDone(Status::Ok,pvStructure);
}
