Files
pvData/pvDataApp/factory/StandardField.cpp
2011-04-21 15:21:18 -04:00

500 lines
19 KiB
C++

/* StandardField.cpp */
/**
* Copyright - See the COPYRIGHT that is included with this distribution.
* EPICS pvDataCPP is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*/
#include <string>
#include <cstdio>
#include <stdexcept>
#include <epicsThread.h>
#include <epicsExit.h>
#include <lock.h>
#include "pvIntrospect.h"
#include "standardField.h"
#include "CDRMonitor.h"
using std::tr1::static_pointer_cast;
namespace epics { namespace pvData {
static StandardField* standardField = 0;
static String notImplemented("not implemented");
static FieldCreate* fieldCreate = 0;
static String valueFieldName("value");
// following are preallocated structures
static StructureConstPtr alarmField;
static StructureConstPtr timeStampField;
static StructureConstPtr displayField;
static StructureConstPtr controlField;
static StructureConstPtr booleanAlarmField;
static StructureConstPtr byteAlarmField;
static StructureConstPtr shortAlarmField;
static StructureConstPtr intAlarmField;
static StructureConstPtr longAlarmField;
static StructureConstPtr floatAlarmField;
static StructureConstPtr doubleAlarmField;
static StructureConstPtr enumeratedAlarmField;
static void createAlarm() {
FieldConstPtrArray fields = new FieldConstPtr[2];
fields[0] = fieldCreate->createScalar(String("severity"),pvInt);
fields[1] = fieldCreate->createScalar(String("message"),pvString);
alarmField = fieldCreate->createStructure(String("alarm"),2,fields);
}
static void createTimeStamp() {
FieldConstPtrArray fields = new FieldConstPtr[2];
fields[0] = fieldCreate->createScalar(String("secondsPastEpoch"),pvLong);
fields[1] = fieldCreate->createScalar(String("nanoSeconds"),pvInt);
timeStampField = fieldCreate->createStructure(String("timeStamp"),2,fields);
}
static void createDisplay() {
FieldConstPtrArray limitFields = new FieldConstPtr[2];
limitFields[0] = fieldCreate->createScalar(String("low"),pvDouble);
limitFields[1] = fieldCreate->createScalar(String("high"),pvDouble);
FieldConstPtrArray fields = new FieldConstPtr[4];
fields[0] = fieldCreate->createScalar(String("description"),pvString);
fields[1] = fieldCreate->createScalar(String("format"),pvString);
fields[2] = fieldCreate->createScalar(String("units"),pvString);
fields[3] = fieldCreate->createStructure(String("limit"),2,limitFields);
displayField = fieldCreate->createStructure(String("display"),4,fields);
}
static void createControl() {
FieldConstPtrArray limitFields = new FieldConstPtr[2];
limitFields[0] = fieldCreate->createScalar(String("low"),pvDouble);
limitFields[1] = fieldCreate->createScalar(String("high"),pvDouble);
FieldConstPtrArray fields = new FieldConstPtr[2];
fields[0] = fieldCreate->createStructure(String("limit"),2,limitFields);
fields[1] = fieldCreate->createScalar(String("minStep"),pvDouble);
controlField = fieldCreate->createStructure(String("control"),2,fields);
}
static void createBooleanAlarm() {
FieldConstPtrArray fields = new FieldConstPtr[4];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("falseSeverity"),pvInt);
fields[2] = fieldCreate->createScalar(String("trueSeverity"),pvInt);
fields[3] = fieldCreate->createScalar(String("changeStateSeverity"),pvInt);
booleanAlarmField = fieldCreate->createStructure(String("valueAlarm"),4,fields);
}
static void createByteAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvByte);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvByte);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvByte);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvByte);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvByte);
byteAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createShortAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvShort);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvShort);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvShort);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvShort);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvShort);
shortAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createIntAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvInt);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvInt);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvInt);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvInt);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvInt);
intAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createLongAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvLong);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvLong);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvLong);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvLong);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvLong);
longAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createFloatAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvFloat);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvFloat);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvFloat);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvFloat);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvFloat);
floatAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createDoubleAlarm() {
int numFields = 10;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvDouble);
fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvDouble);
fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvDouble);
fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvDouble);
fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
fields[9] = fieldCreate->createScalar(String("hystersis"),pvDouble);
doubleAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static void createEnumeratedAlarm() {
int numFields = 3;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
fields[1] = fieldCreate->createScalar(String("stateSeverity"),pvInt);
fields[2] = fieldCreate->createScalar(String("changeStateSeverity"),pvInt);
enumeratedAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
}
static StructureConstPtr createProperties(String fieldName,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==scalar) {
ScalarConstPtr scalar = static_pointer_cast<const Scalar>(field);
ScalarType scalarType = scalar->getScalarType();
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 pvFloat: valueAlarm = floatAlarmField; break;
case pvDouble: valueAlarm = doubleAlarmField; break;
default:
throw std::logic_error(String("valueAlarm property for illegal type"));
}
break;
}
if(type==structure) {
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
if(structurePtr->getNumberFields()==2) {
FieldConstPtrArray fields = structurePtr->getFields();
FieldConstPtr first = fields[0];
FieldConstPtr second = fields[1];
String nameFirst = first->getFieldName();
String nameSecond = second->getFieldName();
int compareFirst = nameFirst.compare("index");
int compareSecond = nameSecond.compare("choices");
if(compareFirst==0 && compareSecond==0) {
if(first->getType()==scalar
&& second->getType()==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"));
}
int numFields = numProp+1;
FieldConstPtrArray fields = new FieldConstPtr[numFields];
int next = 0;
fields[next++] = field;
if(gotAlarm) {fields[next++] = alarmField;}
if(gotTimeStamp) {fields[next++] = timeStampField;}
if(gotDisplay) {fields[next++] = displayField;}
if(gotControl) {fields[next++] = controlField;}
if(gotValueAlarm) {fields[next++] = valueAlarm;}
return fieldCreate->createStructure(fieldName,numFields,fields);
}
ScalarConstPtr StandardField::scalar(String fieldName,ScalarType type)
{
return fieldCreate->createScalar(fieldName,type);
}
StructureConstPtr StandardField::scalar(
String fieldName,ScalarType type,String properties)
{
ScalarConstPtr field = fieldCreate->createScalar(valueFieldName,type);
return createProperties(fieldName,field,properties);
}
ScalarArrayConstPtr StandardField::scalarArray(
String fieldName,ScalarType elementType)
{
return fieldCreate->createScalarArray(fieldName,elementType);
}
StructureConstPtr StandardField::scalarArray(
String fieldName,ScalarType elementType, String properties)
{
ScalarArrayConstPtr field = fieldCreate->createScalarArray(
valueFieldName,elementType);
return createProperties(fieldName,field,properties);
}
StructureArrayConstPtr StandardField::structureArray(
String fieldName,StructureConstPtr structure)
{
return fieldCreate->createStructureArray(fieldName,structure);
}
StructureConstPtr StandardField::structureArray(
String fieldName,StructureConstPtr structure,String properties)
{
StructureArrayConstPtr field = fieldCreate->createStructureArray(
valueFieldName,structure);
return createProperties(fieldName,field,properties);
}
StructureConstPtr StandardField::structure(
String fieldName,int numFields,FieldConstPtrArray fields)
{
return fieldCreate->createStructure(fieldName,numFields,fields);
}
StructureConstPtr StandardField::enumerated(String fieldName)
{
FieldConstPtrArray fields = new FieldConstPtr[2];
fields[0] = fieldCreate->createScalar(String("index"),pvInt);
fields[1] = fieldCreate->createScalarArray(String("choices"),pvString);
return fieldCreate->createStructure(fieldName,2,fields);
}
StructureConstPtr StandardField::enumerated(
String fieldName,String properties)
{
StructureConstPtr field = standardField->enumerated(valueFieldName);
return createProperties(fieldName,field,properties);
}
ScalarConstPtr StandardField::scalarValue(ScalarType type)
{
return fieldCreate->createScalar(valueFieldName,type);
}
StructureConstPtr StandardField::scalarValue(ScalarType type,String properties)
{
ScalarConstPtr field = fieldCreate->createScalar(valueFieldName,type);
return createProperties(valueFieldName,field,properties);
}
ScalarArrayConstPtr StandardField::scalarArrayValue(ScalarType elementType)
{
return fieldCreate->createScalarArray(valueFieldName,elementType);
}
StructureConstPtr StandardField::scalarArrayValue(
ScalarType elementType, String properties)
{
ScalarArrayConstPtr field = fieldCreate->createScalarArray(
valueFieldName,elementType);
return createProperties(valueFieldName,field,properties);
}
StructureArrayConstPtr StandardField::structureArrayValue(
StructureConstPtr structure)
{
return fieldCreate->createStructureArray(valueFieldName,structure);
}
StructureConstPtr StandardField::structureArrayValue(
StructureConstPtr structure,String properties)
{
StructureArrayConstPtr field = fieldCreate->createStructureArray(
valueFieldName,structure);
return createProperties(valueFieldName,field,properties);
}
StructureConstPtr StandardField::structureValue(
int numFields,FieldConstPtrArray fields)
{
return fieldCreate->createStructure(valueFieldName,numFields,fields);
}
StructureConstPtr StandardField::enumeratedValue()
{
FieldConstPtrArray fields = new FieldConstPtr[2];
fields[0] = fieldCreate->createScalar(String("index"),pvInt);
fields[1] = fieldCreate->createScalarArray(String("choices"),pvString);
return fieldCreate->createStructure(valueFieldName,2,fields);
}
StructureConstPtr StandardField::enumeratedValue( String properties)
{
StructureConstPtr field = standardField->enumerated(valueFieldName);
return createProperties(valueFieldName,field,properties);
}
StructureConstPtr StandardField::alarm()
{
return alarmField;
}
StructureConstPtr StandardField::timeStamp()
{
return timeStampField;
}
StructureConstPtr StandardField::display()
{
return displayField;
}
StructureConstPtr StandardField::control()
{
return controlField;
}
StructureConstPtr StandardField::booleanAlarm()
{
return booleanAlarmField;
}
StructureConstPtr StandardField::byteAlarm()
{
return byteAlarmField;
}
StructureConstPtr StandardField::shortAlarm()
{
return shortAlarmField;
}
StructureConstPtr StandardField::intAlarm()
{
return intAlarmField;
}
StructureConstPtr StandardField::longAlarm()
{
return longAlarmField;
}
StructureConstPtr StandardField::floatAlarm()
{
return floatAlarmField;
}
StructureConstPtr StandardField::doubleAlarm()
{
return doubleAlarmField;
}
StructureConstPtr StandardField::enumeratedAlarm()
{
return enumeratedAlarmField;
}
void StandardField::init()
{
createAlarm();
createTimeStamp();
createDisplay();
createControl();
createBooleanAlarm();
createByteAlarm();
createShortAlarm();
createIntAlarm();
createLongAlarm();
createFloatAlarm();
createDoubleAlarm();
createEnumeratedAlarm();
}
StandardField::StandardField(){init();}
StandardField::~StandardField(){
}
static void myDeleteStatic(void*)
{
alarmField.reset();
timeStampField.reset();
displayField.reset();
controlField.reset();
booleanAlarmField.reset();
byteAlarmField.reset();
shortAlarmField.reset();
intAlarmField.reset();
longAlarmField.reset();
floatAlarmField.reset();
doubleAlarmField.reset();
enumeratedAlarmField.reset();
}
static void myInitStatic(void*)
{
standardField = new StandardField();
fieldCreate = getFieldCreate();
epicsAtExit(&myDeleteStatic,0);
}
static
epicsThreadOnceId myInitOnce = EPICS_THREAD_ONCE_INIT;
StandardField * getStandardField() {
epicsThreadOnce(&myInitOnce,&myInitStatic,0);
return standardField;
}
}}