static PVStructurePtr createPowerSupply()
{
FieldCreatePtr fieldCreate = getFieldCreate();
StandardFieldPtr standardField = getStandardField();
PVDataCreatePtr pvDataCreate = getPVDataCreate();
size_t nfields = 5;
StringArray names;
names.reserve(nfields);
FieldConstPtrArray powerSupply;
powerSupply.reserve(nfields);
names.push_back("alarm");
powerSupply.push_back(standardField->alarm());
names.push_back("timeStamp");
powerSupply.push_back(standardField->timeStamp());
string properties("alarm,display");
names.push_back("voltage");
powerSupply.push_back(standardField->scalar(pvDouble,properties));
names.push_back("power");
powerSupply.push_back(standardField->scalar(pvDouble,properties));
names.push_back("current");
powerSupply.push_back(standardField->scalar(pvDouble,properties));
return pvDataCreate->createPVStructure(
fieldCreate->createStructure(names,powerSupply));
}
static StructureConstPtr createResultField()
{
FieldCreatePtr fieldCreate = getFieldCreate();
StringArray fieldNames;
fieldNames.push_back("c");
FieldConstPtrArray fields;
fields.push_back(fieldCreate->createScalar(pvDouble));
return fieldCreate->createStructure(fieldNames, fields);
}
// returns this service's result structure type definition.
StructureConstPtr makeResponseStructure()
{
FieldCreatePtr factory = getFieldCreate();
FieldConstPtrArray fields;
StringArray names;
names.push_back("greeting");
fields.push_back(factory->createScalar(pvString));
return factory->createStructure(names, fields);
}
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);
}
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);
}