void PVField::computeOffset(const PVField * pvField) {
const PVStructure * pvTop = pvField->getParent();
if(pvTop==NULL) {
if(pvField->getField()->getType()!=structure) {
PVField *xxx = const_cast<PVField *>(pvField);
xxx->fieldOffset = 0;
xxx->nextFieldOffset = 1;
return;
}
pvTop = static_cast<const PVStructure *>(pvField);
} else {
while(pvTop->getParent()!=NULL) pvTop = pvTop->getParent();
}
size_t offset = 0;
size_t nextOffset = 1;
PVFieldPtrArray pvFields = pvTop->getPVFields();
for(size_t i=0; i < pvTop->getStructure()->getNumberFields(); i++) {
offset = nextOffset;
PVField *pvField = pvFields[i].get();
FieldConstPtr field = pvField->getField();
switch(field->getType()) {
case scalar:
case scalarArray:
case structureArray:
case union_:
case unionArray: {
nextOffset++;
pvField->fieldOffset = offset;
pvField->nextFieldOffset = nextOffset;
break;
}
case structure: {
pvField->computeOffset(pvField,offset);
nextOffset = pvField->getNextFieldOffset();
}
}
}
PVField *top = (PVField *)pvTop;
PVField *xxx = const_cast<PVField *>(top);
xxx->fieldOffset = 0;
xxx->nextFieldOffset = nextOffset;
}
void Union::dumpFields(std::ostream& o) const
{
size_t numberFields = fields.size();
for(size_t i=0; i<numberFields; i++) {
FieldConstPtr pfield = fields[i];
o << format::indent() << pfield->getID() << ' ' << fieldNames[i] << std::endl;
switch(pfield->getType()) {
case scalar:
case scalarArray:
break;
case structure:
{
Field const *xxx = pfield.get();
Structure const *pstruct = static_cast<Structure const*>(xxx);
format::indent_scope s(o);
pstruct->dumpFields(o);
break;
}
case structureArray:
{
format::indent_scope s(o);
o << *pfield;
break;
}
case union_:
{
Field const *xxx = pfield.get();
Union const *punion = static_cast<Union const*>(xxx);
format::indent_scope s(o);
punion->dumpFields(o);
break;
}
case unionArray:
{
format::indent_scope s(o);
o << *pfield;
break;
}
}
}
}
bool NTAttribute::isCompatible(StructureConstPtr const & structure)
{
if (structure.get() == 0) return false;
ScalarConstPtr nameField = structure->getField<Scalar>("name");
if (nameField.get() == 0 || nameField->getScalarType() != pvString)
return false;
UnionConstPtr valueField = structure->getField<Union>("value");
if (valueField.get() == 0 || !valueField->isVariant())
return false;
FieldConstPtr field = structure->getField("tags");
if (field.get())
{
ScalarArrayConstPtr tagsField = structure->getField<ScalarArray>("tags");
if (tagsField.get() == 0 || tagsField->getElementType() != pvString)
return false;
}
field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
NTFieldPtr ntField = NTField::get();
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
return true;
}
bool NTMatrix::isCompatible(StructureConstPtr const & structure)
{
if (structure.get() == 0) return false;
ScalarArrayConstPtr valueField = structure->getField<ScalarArray>("value");
if (valueField.get() == 0 || valueField->getElementType() != pvDouble)
return false;
FieldConstPtr field = structure->getField("dim");
if (field.get())
{
ScalarArrayConstPtr dimField = structure->getField<ScalarArray>("dim");
if (dimField.get() == 0 || dimField->getElementType() != pvInt)
return false;
}
field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
NTFieldPtr ntField = NTField::get();
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
field = structure->getField("display");
if (field.get() && !ntField->isDisplay(field))
return false;
return true;
}
void testSerializeCommon(FieldConstPtr serverField1, FieldConstPtr clientField2)
{
//server serializes field 1
serialize(serverField1,serverRegistry);
//full should be serialized
buffer->flip();
checkTypeCode(IntrospectionRegistry::FULL_WITH_ID_TYPE_CODE);
//client deserializes 1
FieldConstPtr clientField1 = deserialize(clientRegistry);
assert(serverField1->getFieldName() == clientField1->getFieldName());
assert(serverField1->getType() == clientField1->getType());
//client serializes the same field
serialize(serverField1,clientRegistry);
//only id should be serialized
buffer->flip();
checkTypeCode(IntrospectionRegistry::ONLY_ID_TYPE_CODE);
//server deserializes the same field
serverField1 = deserialize(serverRegistry);
assert(serverField1->getFieldName() == clientField1->getFieldName());
assert(serverField1->getType() == clientField1->getType());
//client requests new field
serialize(clientField2,clientRegistry);
//full should be serialized
buffer->flip();
checkTypeCode(IntrospectionRegistry::FULL_WITH_ID_TYPE_CODE);
//server deserializes new field
FieldConstPtr serverField2 = deserialize(serverRegistry);
assert(serverField2->getFieldName() == clientField2->getFieldName());
assert(serverField2->getType() == clientField2->getType());
}
bool NTScalar::isCompatible(StructureConstPtr const &structure)
{
if (structure.get() == 0) return false;
ScalarConstPtr valueField = structure->getField<Scalar>("value");
if (valueField.get() == 0)
return false;
FieldConstPtr field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
NTFieldPtr ntField = NTField::get();
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
field = structure->getField("display");
if (field.get() && !ntField->isDisplay(field))
return false;
field = structure->getField("control");
if (field.get() && !ntField->isControl(field))
return false;
return true;
}
bool NTNDArray::isCompatible(StructureConstPtr const &structure)
{
if(!structure.get()) return false;
UnionConstPtr valueField = structure->getField<Union>("value");
if(!NTValueType::isCompatible(valueField)) return false;
StructureConstPtr codecField = structure->getField<Structure>("codec");
if(!NTCodec::isCompatible(codecField)) return false;
ScalarConstPtr compressedSizeField = structure->getField<Scalar>("compressedSize");
if (compressedSizeField.get() == 0)
return false;
if (compressedSizeField->getScalarType() != pvLong)
return false;
ScalarConstPtr uncompressedSizeField = structure->getField<Scalar>("uncompressedSize");
if (uncompressedSizeField.get() == 0)
return false;
if (uncompressedSizeField->getScalarType() != pvLong)
return false;
StructureArrayConstPtr dimensionField = structure->getField<StructureArray>("dimension");
if (dimensionField.get() == 0)
return false;
StructureConstPtr dimElementStruc = dimensionField->getStructure();
if(!NTDimension::isCompatible(dimElementStruc))
return false;
NTFieldPtr ntField = NTField::get();
StructureConstPtr dataTimeStampField = structure->getField<Structure>(
"dataTimeStamp");
if (dataTimeStampField.get() == 0 || !ntField->isTimeStamp(dataTimeStampField))
return false;
ScalarConstPtr uniqueIdField = structure->getField<Scalar>("uniqueId");
if (uniqueIdField.get() == 0)
return false;
if (uniqueIdField->getScalarType() != pvInt)
return false;
StructureArrayConstPtr attributeField = structure->getField<StructureArray>( "attribute");
StructureConstPtr attributeElementStruc = attributeField->getStructure();
if (!NTNDArrayAttribute::isCompatible(attributeElementStruc))
return false;
FieldConstPtr field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
field = structure->getField("display");
if (field.get() && !ntField->isDisplay(field))
return false;
return true;
}
StructureConstPtr StandardField::createProperties(String id,FieldConstPtr field,String properties)
{
bool gotAlarm = false;
bool gotTimeStamp = false;
bool gotDisplay = false;
bool gotControl = false;
bool gotValueAlarm = false;
int numProp = 0;
if(properties.find("alarm")!=String::npos) { gotAlarm = true; numProp++; }
if(properties.find("timeStamp")!=String::npos) { gotTimeStamp = true; numProp++; }
if(properties.find("display")!=String::npos) { gotDisplay = true; numProp++; }
if(properties.find("control")!=String::npos) { gotControl = true; numProp++; }
if(properties.find("valueAlarm")!=String::npos) { gotValueAlarm = true; numProp++; }
StructureConstPtr valueAlarm;
Type type= field->getType();
while(gotValueAlarm) {
if(type==epics::pvData::scalar || type==epics::pvData::scalarArray) {
ScalarType scalarType = (type==epics::pvData::scalar) ?
static_pointer_cast<const Scalar>(field)->getScalarType() :
static_pointer_cast<const ScalarArray>(field)->getElementType();
switch(scalarType) {
case pvBoolean: valueAlarm = booleanAlarmField; break;
case pvByte: valueAlarm = byteAlarmField; break;
case pvShort: valueAlarm = shortAlarmField; break;
case pvInt: valueAlarm = intAlarmField; break;
case pvLong: valueAlarm = longAlarmField; break;
case pvUByte: valueAlarm = ubyteAlarmField; break;
case pvUShort: valueAlarm = ushortAlarmField; break;
case pvUInt: valueAlarm = uintAlarmField; break;
case pvULong: valueAlarm = ulongAlarmField; break;
case pvFloat: valueAlarm = floatAlarmField; break;
case pvDouble: valueAlarm = doubleAlarmField; break;
case pvString:
throw std::logic_error(String("valueAlarm property not supported for pvString"));
}
break;
}
if(type==structure) {
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
StringArray names = structurePtr->getFieldNames();
if(names.size()==2) {
FieldConstPtrArray fields = structurePtr->getFields();
FieldConstPtr first = fields[0];
FieldConstPtr second = fields[1];
String nameFirst = names[0];
String nameSecond = names[1];
int compareFirst = nameFirst.compare("index");
int compareSecond = nameSecond.compare("choices");
if(compareFirst==0 && compareSecond==0) {
if(first->getType()==epics::pvData::scalar
&& second->getType()==epics::pvData::scalarArray) {
ScalarConstPtr scalarFirst = static_pointer_cast<const Scalar>(first);
ScalarArrayConstPtr scalarArraySecond =
static_pointer_cast<const ScalarArray>(second);
if(scalarFirst->getScalarType()==pvInt
&& scalarArraySecond->getElementType()==pvString) {
valueAlarm = enumeratedAlarmField;
break;
}
}
}
}
}
throw std::logic_error(String("valueAlarm property for illegal type"));
}
size_t numFields = numProp+1;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
int next = 0;
names[0] = "value";
fields[next++] = field;
if(gotAlarm) {
names[next] = "alarm";
fields[next++] = alarmField;
}
if(gotTimeStamp) {
names[next] = "timeStamp";
fields[next++] = timeStampField;
}
if(gotDisplay) {
names[next] = "display";
fields[next++] = displayField;
}
if(gotControl) {
names[next] = "control";
fields[next++] = controlField;
}
if(gotValueAlarm) {
names[next] = "valueAlarm";
fields[next++] = valueAlarm;
}
return fieldCreate->createStructure(id,names,fields);
}
