@Override
public void run() {
try {
final Map<String, AScalarDataPoint> m =
sysMon.getScalarMeasurements(averagingDelayMillis);
for (String key : m.keySet()) {
dump("Scalar Measurement: " + key + " = " + m.get(key).getFormattedValue());
}
} catch (Exception exc) {
log.error(exc);
dump(exc.toString());
}
}
public AHttpJsonOffloadingDataSink(
final ASysMonApi sysMon,
String uri,
String sender,
String senderInstance,
int traceQueueSize,
int scalarQueueSize,
int numOffloadingThreads,
int scalarMeasurementFrequencyMillis) {
this.config = sysMon.getConfig();
this.uri = URI.create(uri);
this.sender = sender;
this.senderInstance = senderInstance;
this.traceQueue =
new ASoftlyLimitedQueue<AHierarchicalDataRoot>(
traceQueueSize, new DiscardedLogger("trace queue overflow - discarding oldest trace"));
this.scalarQueue =
new ASoftlyLimitedQueue<AScalarDataPoint>(
scalarQueueSize,
new DiscardedLogger("environment queue overflow - discarding oldest data"));
offloadingThreadPool = Executors.newFixedThreadPool(numOffloadingThreads);
for (int i = 0; i < numOffloadingThreads; i++) {
offloadingThreadPool.submit(new OffloadingRunnable());
}
scalarMeasurementPool = Executors.newSingleThreadScheduledExecutor();
scalarMeasurementPool.scheduleAtFixedRate(
new Runnable() {
@Override
public void run() {
// TODO introduce 'AScalarProvider' interface for callbacks like this
for (AScalarDataPoint scalar :
sysMon
.getScalarMeasurements()
.values()) { // TODO ensure that this ASysMon call will never throw exceptions
scalarQueue.add(scalar);
}
}
},
0,
scalarMeasurementFrequencyMillis,
TimeUnit.MILLISECONDS);
}