/**
* aggiunge l'event metadata alla lista.
*
* @param in oggetto EventMetadata
*/
public final void addEventMetadata(final EventMetadata in) {
eventMetadata.add(in);
in.setEvent(this);
}
protected void computeStats(InputStream eventStream) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(eventStream));
boolean done = false;
e2eLatencies = new ArrayList<Long>();
processingLatencies = new ArrayList<Long>();
inLatencies = new ArrayList<Long>();
outLatencies = new ArrayList<Long>();
e2eLatenciesPerType = new HashMap<String, ArrayList<Long>>();
eventLog = new ArrayList<EventLogEntry>();
eventLogMap = new HashMap<>();
JsonEventDecoder decoder = new JsonEventDecoder();
do {
String line = reader.readLine();
if (line == null) {
done = true;
continue;
}
String[] eventEntry = line.split(":", 2);
long timestamp = Long.parseLong(eventEntry[0].trim());
if (timestamp < startTimestamp) {
continue;
}
if (isJSON(eventEntry[1])) {
// events emitted by speedd runtime are in JSON format (opposite to raw events which are
// csv)
Event event = decoder.fromBytes(eventEntry[1].trim().getBytes());
if (event.getAttributes().containsKey("timestamps")) {
// derived event - update latencies regarding the contributing events
updateLatencies(event, timestamp);
} else {
updateLatenciesForRawEvents(event, timestamp);
}
} else {
// input (csv) event
// input event - does not contain 'timestamps' - use to compute real rates
Event event = eventMetadata.getEventParser().fromBytes(eventEntry[1].trim().getBytes());
updateInEventMetrics(event, timestamp);
}
} while (!done);
Collections.sort(e2eLatencies);
Collections.sort(processingLatencies);
Collections.sort(inLatencies);
Collections.sort(outLatencies);
for (String type : e2eLatenciesPerType.keySet()) {
Collections.sort(e2eLatenciesPerType.get(type));
}
}