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protect against unexpected rollover

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This commit is contained in:
Brad Hefta-Gaub 2016-03-25 14:59:43 -07:00
parent 541c1e5c6f
commit fe31be71eb
1 changed files with 4 additions and 2 deletions
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6
interface/src/Application.cpp
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@ -271,8 +271,10 @@ public:
while (!_quit) { while (!_quit) {
QThread::sleep(HEARTBEAT_UPDATE_INTERVAL_SECS); QThread::sleep(HEARTBEAT_UPDATE_INTERVAL_SECS);
auto now = usecTimestampNow(); auto now = usecTimestampNow();
auto lastHeartbeatAge = now - _heartbeat;
auto sinceLastReport = now - _lastReport; // in the unlikely event that now is less than _heartbeat, don't rollover and confuse ourselves
auto lastHeartbeatAge = (now > _heartbeat) ? now - _heartbeat : 0;
auto sinceLastReport = (now > _lastReport) ? now - _lastReport : 0;
auto elapsedMovingAverage = _movingAverage.getAverage(); auto elapsedMovingAverage = _movingAverage.getAverage();
if (elapsedMovingAverage > _maxElapsedAverage) { if (elapsedMovingAverage > _maxElapsedAverage) {