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));
}
void PVStructure::appendPVFields(
StringArray const & fieldNames,
PVFieldPtrArray const & pvFields)
{
size_t origLength = this->pvFields.size();
size_t extra = fieldNames.size();
if(extra==0) return;
size_t newLength = origLength + extra;
PVFieldPtrArray * xxx = const_cast<PVFieldPtrArray *>(&this->pvFields);
xxx->reserve(newLength);
for(size_t i=0; i<extra; i++) {
xxx->push_back(pvFields[i]);
}
FieldConstPtrArray fields;
fields.reserve(extra);
for(size_t i=0; i<extra; i++) fields.push_back(pvFields[i]->getField());
FieldConstPtr field = getFieldCreate()->appendFields(
structurePtr,fieldNames,fields);
replaceField(field);
structurePtr = static_pointer_cast<const Structure>(field);
StringArray names = structurePtr->getFieldNames();
for(size_t i=0; i<newLength; i++) {
(*xxx)[i]->setParentAndName(this,names[i]);
}
fixParentStructure();
}
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 UnionConstPtr deserializeUnionField(const FieldCreate* fieldCreate, ByteBuffer* buffer, DeserializableControl* control)
{
string id = SerializeHelper::deserializeString(buffer, control);
const std::size_t size = SerializeHelper::readSize(buffer, control);
FieldConstPtrArray fields; fields.reserve(size);
StringArray fieldNames; fieldNames.reserve(size);
for (std::size_t i = 0; i < size; i++)
{
fieldNames.push_back(SerializeHelper::deserializeString(buffer, control));
fields.push_back(control->cachedDeserialize(buffer));
}
if (id.empty())
return fieldCreate->createUnion(fieldNames, fields);
else
return fieldCreate->createUnion(id, fieldNames, fields);
}
void PVStructure::removePVField(String const &fieldName)
{
PVFieldPtr pvField = getSubField(fieldName);
if(pvField.get()==NULL) {
String message("removePVField ");
message += fieldName + " does not exist";
this->message(message, errorMessage);
return;
}
size_t origLength = pvFields.size();
size_t newLength = origLength - 1;
PVFieldPtrArray const & origPVFields = pvFields;
FieldConstPtrArray origFields = structurePtr->getFields();
PVFieldPtrArray newPVFields;
newPVFields.reserve(newLength);
StringArray newFieldNames;
newFieldNames.reserve(newLength);
FieldConstPtrArray fields;
fields.reserve(newLength);
for(size_t i=0; i<origLength; i++) {
if(origPVFields[i]!=pvField) {
newFieldNames.push_back(origPVFields[i]->getFieldName());
newPVFields.push_back(origPVFields[i]);
fields.push_back(origFields[i]);
}
}
PVFieldPtrArray * xxx = const_cast<PVFieldPtrArray *>(&pvFields);
xxx->swap(newPVFields);
FieldConstPtr field = getFieldCreate()->createStructure(
structurePtr->getID(),newFieldNames,fields);
replaceField(field);
structurePtr = static_pointer_cast<const Structure>(field);
StringArray fieldNames = structurePtr->getFieldNames();
for(size_t i=0; i<newLength; i++) {
pvFields[i]->setParentAndName(this,fieldNames[i]);
}
}
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);
}
int main()
{
for (int i = 0; i < 10; i++) {
{
/*
ClientContextImpl::shared_pointer context = createClientContextImpl();
context->printInfo();
context->initialize();
context->printInfo();
epicsThreadSleep ( SLEEP_TIME );
ChannelProvider::shared_pointer provider = context->getProvider();
*/
ClientFactory::start();
ChannelProvider::shared_pointer provider = getChannelProviderRegistry()->getProvider("pva");
ChannelFindRequester::shared_pointer findRequester(new ChannelFindRequesterImpl());
ChannelFind::shared_pointer channelFind = provider->channelFind("testSomething", findRequester);
epicsThreadSleep ( SLEEP_TIME );
//channelFind->destroy();
ChannelRequester::shared_pointer channelRequester(new ChannelRequesterImpl());
Channel::shared_pointer channel = provider->createChannel("testStructureArrayTest", channelRequester);
epicsThreadSleep ( SLEEP_TIME );
channel->printInfo();
{
GetFieldRequester::shared_pointer getFieldRequesterImpl(new GetFieldRequesterImpl());
channel->getField(getFieldRequesterImpl, "");
epicsThreadSleep ( SLEEP_TIME );
}
{
ChannelProcessRequester::shared_pointer channelProcessRequester(new ChannelProcessRequesterImpl());
PVStructure::shared_pointer pvRequest;
ChannelProcess::shared_pointer channelProcess = channel->createChannelProcess(channelProcessRequester, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelProcess->process();
epicsThreadSleep ( SLEEP_TIME );
channelProcess->destroy();
epicsThreadSleep ( SLEEP_TIME );
}
{
ChannelGetRequester::shared_pointer channelGetRequesterImpl(new ChannelGetRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()");
ChannelGet::shared_pointer channelGet = channel->createChannelGet(channelGetRequesterImpl, pvRequest);
epicsThreadSleep ( 3.0 );
channelGet->get();
epicsThreadSleep ( 3.0 );
channelGet->destroy();
}
{
ChannelPutRequester::shared_pointer channelPutRequesterImpl(new ChannelPutRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field(value,timeStamp)");
ChannelPut::shared_pointer channelPut = channel->createChannelPut(channelPutRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelPut->get();
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelPut->put();
//epicsThreadSleep ( SLEEP_TIME );
channelPut->destroy();
}
{
ChannelPutGetRequester::shared_pointer channelPutGetRequesterImpl(new ChannelPutGetRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("putField(value,timeStamp)getField(timeStamp)");
ChannelPutGet::shared_pointer channelPutGet = channel->createChannelPutGet(channelPutGetRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelPutGet->getGet();
epicsThreadSleep ( SLEEP_TIME );
channelPutGet->getPut();
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelPutGet->putGet();
//epicsThreadSleep ( SLEEP_TIME );
channelPutGet->destroy();
}
{
ChannelRPCRequester::shared_pointer channelRPCRequesterImpl(new ChannelRPCRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("record[]field(arguments)");
ChannelRPC::shared_pointer channelRPC = channel->createChannelRPC(channelRPCRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
// for test simply use pvRequest as arguments
channelRPC->request(pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelRPC->destroy();
}
{
ChannelArrayRequester::shared_pointer channelArrayRequesterImpl(new ChannelArrayRequesterImpl());
StringArray fieldNames; fieldNames.push_back("field");
FieldConstPtrArray fields; fields.push_back(getFieldCreate()->createScalar(pvString));
PVStructure::shared_pointer pvRequest(getPVDataCreate()->createPVStructure(getFieldCreate()->createStructure(fieldNames, fields)));
ChannelArray::shared_pointer channelArray = channel->createChannelArray(channelArrayRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelArray->getArray(0,0,1);
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelArray->putArray(0,0,1);
//epicsThreadSleep ( SLEEP_TIME );
channelArray->setLength(3);
epicsThreadSleep ( SLEEP_TIME );
channelArray->getLength();
epicsThreadSleep ( SLEEP_TIME );
channelArray->destroy();
}
{
MonitorRequester::shared_pointer monitorRequesterImpl(new MonitorRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()");
Monitor::shared_pointer monitor = channel->createMonitor(monitorRequesterImpl, pvRequest);
epicsThreadSleep( SLEEP_TIME );
Status status = monitor->start();
std::cout << "monitor->start() = " << status << std::endl;
epicsThreadSleep( 3*SLEEP_TIME );
status = monitor->stop();
std::cout << "monitor->stop() = " << status << std::endl;
monitor->destroy();
}
epicsThreadSleep ( 3*SLEEP_TIME );
printf("Destroying channel... \n");
channel->destroy();
printf("done.\n");
epicsThreadSleep ( 3*SLEEP_TIME );
}
ClientFactory::stop();
/*
printf("Destroying context... \n");
context->destroy();
printf("done.\n");
*/
epicsThreadSleep ( SLEEP_TIME ); }
//std::cout << "-----------------------------------------------------------------------" << std::endl;
//epicsExitCallAtExits();
return(0);
}