public void lockssRun() {
setPriority(PRIORITY_PARAM_SIZE_CALC, PRIORITY_DEFAULT_SIZE_CALC);
startWDog(WDOG_PARAM_SIZE_CALC, WDOG_DEFAULT_SIZE_CALC);
triggerWDogOnExit(true);
nowRunning();
while (goOn) {
try {
pokeWDog();
if (sizeCalcQueue.isEmpty()) {
Deadline timeout = Deadline.in(Constants.HOUR);
sizeCalcSem.take(timeout);
}
RepositoryNode node;
synchronized (sizeCalcQueue) {
node = (RepositoryNode) CollectionUtil.getAnElement(sizeCalcQueue);
}
if (node != null) {
long start = TimeBase.nowMs();
log.debug2("CalcSize start: " + node);
long dur = 0;
try {
doSizeCalc(node);
dur = TimeBase.nowMs() - start;
log.debug2("CalcSize finish (" + StringUtil.timeIntervalToString(dur) + "): " + node);
} catch (RuntimeException e) {
log.warning("doSizeCalc: " + node, e);
}
synchronized (sizeCalcQueue) {
sizeCalcQueue.remove(node);
}
pokeWDog();
long sleep = sleepTimeToAchieveLoad(dur, sizeCalcMaxLoad);
Deadline.in(sleep).sleep();
}
} catch (InterruptedException e) {
// just wakeup and check for exit
}
}
if (!goOn) {
triggerWDogOnExit(false);
}
}
private void doSleep() throws IOException {
String timestr = getParameter(KEY_TIME);
try {
long time = StringUtil.parseTimeInterval(timestr);
Deadline.in(time).sleep();
statusMsg = "Slept for " + StringUtil.timeIntervalToString(time);
} catch (NumberFormatException e) {
errMsg = "Illegal duration: " + e;
} catch (InterruptedException e) {
errMsg = "Interrupted: " + e;
}
}