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); }