@Override
public void execute(HttpServletRequest req, HttpServletResponse resp, ConfigService configService)
throws IOException {
logger.debug("Getting PV's matching wildcard or regex for this appliance.");
int limit = 500;
String limitParam = req.getParameter("limit");
if (limitParam != null) {
limit = Integer.parseInt(limitParam);
}
String nameToMatch = null;
if (req.getParameter("regex") != null) {
nameToMatch = req.getParameter("regex");
logger.debug("Finding PV's for regex " + nameToMatch);
}
if (req.getParameter("pv") != null) {
nameToMatch = req.getParameter("pv");
nameToMatch = nameToMatch.replace("*", ".*");
nameToMatch = nameToMatch.replace("?", ".");
logger.debug("Finding PV's for glob (converted to regex)" + nameToMatch);
}
Set<String> pvNamesMatchingRegex = configService.getPVsForApplianceMatchingRegex(nameToMatch);
LinkedList<String> pvNames = new LinkedList<String>();
if (limit == -1) {
pvNames.addAll(pvNamesMatchingRegex);
} else {
int pvCount = 0;
for (String matchedName : pvNamesMatchingRegex) {
pvNames.add(matchedName);
pvCount++;
if (pvCount >= limit) break;
}
}
resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
try (PrintWriter out = resp.getWriter()) {
out.println(JSONValue.toJSONString(pvNames));
} catch (Exception ex) {
logger.error(
"Exception getting all pvs on appliance "
+ configService.getMyApplianceInfo().getIdentity(),
ex);
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
@Override
public void execute(HttpServletRequest req, HttpServletResponse resp, ConfigService configService)
throws IOException {
String pvName = req.getParameter("pv");
logger.debug("Checking to see if we are archiving PV " + pvName);
resp.addHeader(MimeResponse.ACCESS_CONTROL_ALLOW_ORIGIN, "*");
resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
if (pvName == null || pvName.equals("")) {
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// String pvNameFromRequest = pvName;
String realName = configService.getRealNameForAlias(pvName);
if (realName != null) pvName = realName;
HashMap<String, String> retVal = new HashMap<String, String>();
PVTypeInfo typeInfo = configService.getTypeInfoForPV(pvName);
if (typeInfo == null) {
typeInfo = configService.getTypeInfoForPV(PVNames.stripFieldNameFromPVName(pvName));
if (typeInfo == null) {
retVal.put("status", Boolean.FALSE.toString());
} else {
retVal.put("status", Boolean.TRUE.toString());
}
} else {
retVal.put("status", Boolean.TRUE.toString());
}
try (PrintWriter out = resp.getWriter()) {
out.println(JSONValue.toJSONString(retVal));
} catch (Exception ex) {
logger.error("Exception checking if we are archiving pv " + pvName, ex);
resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
/**
* Generate an EPICS PV.
*
* @param name The PV name.
* @param configservice The config service used by this pv
* @param isControlPV true if this is a pv controlling other pvs
*/
EPICS_V3_PV(
final String name,
ConfigService configservice,
boolean isControlPV,
ArchDBRTypes archDBRTypes,
int jcaCommandThreadId) {
this(name, false, configservice, jcaCommandThreadId);
this.archDBRType = archDBRTypes;
if (archDBRTypes != null) {
this.con = configservice.getArchiverTypeSystem().getJCADBRConstructor(archDBRType);
}
if (isControlPV) {
this.controlledPVList = new ArrayList<String>();
}
}
@Override
public void execute(HttpServletRequest req, HttpServletResponse resp, ConfigService configService)
throws IOException {
String pvName = req.getParameter("pv");
if (pvName == null || pvName.equals("")) {
resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
Event event = configService.getETLLookup().getLatestEventFromDataStores(pvName);
if (event != null) {
resp.setContentType(MimeTypeConstants.APPLICATION_JSON);
HashMap<String, String> result = new HashMap<String, String>();
result.put("timestamp", TimeUtils.convertToISO8601String(event.getEventTimeStamp()));
try (PrintWriter out = resp.getWriter()) {
out.println(JSONValue.toJSONString(result));
}
} else {
resp.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
}
/** MonitorListener interface. */
@Override
public void monitorChanged(final MonitorEvent ev) {
// final Logger log = Activator.getLogger();
// This runs in a CA thread.
// Ignore values that arrive after stop()
if (!running) {
return;
}
if (subscription == null) {
return;
}
if (ev.getStatus() == null || !ev.getStatus().isSuccessful()) {
return;
}
if (controlledPVList != null) {
// this pv is control pv.
try {
updateAllControlPVEnablMent(ev);
} catch (Exception e) {
logger.error(
"exception in monitor changed function when updatinng controlled pvs' enablement for "
+ this.name,
e);
}
return;
}
state = PVConnectionState.GotMonitor;
if (!connected) connected = true;
try {
try {
DBR dbr = ev.getDBR();
if (dbr == null) {
return;
}
if (this.name.endsWith(".RTYP")) {
String rtypName = (((DBR_String) dbr).getStringValue())[0];
dbrtimeevent =
new POJOEvent(
ArchDBRTypes.DBR_SCALAR_STRING,
TimeUtils.now(),
new ScalarStringSampleValue(rtypName),
0,
0);
return;
}
// dbr.printInfo();
ArchDBRTypes generatedDBRType = JCA2ArchDBRType.valueOf(dbr);
if (archDBRType == null) {
archDBRType = generatedDBRType;
con = configservice.getArchiverTypeSystem().getJCADBRConstructor(archDBRType);
} else {
assert (con != null);
if (generatedDBRType != archDBRType) {
logger.warn(
"The type of PV "
+ this.name
+ " has changed from "
+ archDBRType
+ " to "
+ generatedDBRType);
fireDroppedSample(PVListener.DroppedReason.TYPE_CHANGE);
return;
}
}
dbrtimeevent = con.newInstance(dbr);
totalMetaInfo.computeRate(dbrtimeevent);
dbr = null;
} catch (Exception e) {
logger.error(
"exception in monitor changed function when converting DBR to dbrtimeevent for pv "
+ this.name,
e);
}
updataMetaDataInParentPV(dbrtimeevent);
// if this pv has meta data , handle here
if (hasMetaField) {
// //////////handle the field value when it
// changes//////////////
if (changedarchiveFieldsData.size() > 0) {
logger.debug(
"Adding changed field for pv " + name + " with " + changedarchiveFieldsData.size());
HashMap<String, String> tempHashMap = new HashMap<String, String>();
tempHashMap.putAll(changedarchiveFieldsData);
// dbrtimeevent.s
dbrtimeevent.setFieldValues(tempHashMap, true);
changedarchiveFieldsData.clear();
}
// //////////////////////////
// ////////////save all the fields once every day//////////////
if (this.lastTimeStampWhenSavingarchiveFields == null) {
if (allarchiveFieldsData.size() != 0) {
saveMetaDataOnceEveryDay();
}
} else {
Calendar currentCalendar = Calendar.getInstance();
currentCalendar.add(Calendar.DAY_OF_MONTH, -1);
if (currentCalendar.after(lastTimeStampWhenSavingarchiveFields)) {
// Calendar currentCalendar2=Calendar.getInstance();
saveMetaDataOnceEveryDay();
}
}
// //////////////////////////////
}
fireValueUpdate();
} catch (final Exception ex) {
logger.error("exception in monitor changed for pv " + this.name, ex);
}
}