public override bool TestHealth(ref string error, ref string warning, ref string misc)
{
bool restart = base.TestHealth(ref error, ref warning, ref misc);
if (Running)
{
#if __IOS__
// on ios we do significant-change polling, which can override scheduled polls. don't check for polling delays if the scheduled polls are overridden.
if (_significantChangePoll && _significantChangePollOverridesScheduledPolls)
{
return(restart);
}
#endif
double msElapsedSincePreviousStore = (DateTimeOffset.UtcNow - MostRecentStoreTimestamp.GetValueOrDefault(DateTimeOffset.MinValue)).TotalMilliseconds;
int allowedLagMS = 5000;
if (!_isPolling &&
_pollingSleepDurationMS <= int.MaxValue - allowedLagMS && // some probes (iOS HealthKit) have polling delays set to int.MaxValue. if we add to this (as we're about to do in the next check), we'll wrap around to 0 resulting in incorrect statuses. only do the check if we won't wrap around.
msElapsedSincePreviousStore > (_pollingSleepDurationMS + allowedLagMS)) // system timer callbacks aren't always fired exactly as scheduled, resulting in health tests that identify warning conditions for delayed polling. allow a small fudge factor to ignore these warnings.
{
warning += "Probe \"" + GetType().FullName + "\" has not stored data in " + msElapsedSincePreviousStore + "ms (polling delay = " + _pollingSleepDurationMS + "ms)." + Environment.NewLine;
}
}
return(restart);
}
public override bool TestHealth(ref List <Tuple <string, Dictionary <string, string> > > events)
{
bool restart = base.TestHealth(ref events);
if (Running)
{
#if __IOS__
// on ios we do significant-change polling, which can override scheduled polls. don't check for polling delays if the scheduled polls are overridden.
if (_significantChangePoll && _significantChangePollOverridesScheduledPolls)
{
return(restart);
}
#endif
TimeSpan timeElapsedSincePreviousStore = DateTimeOffset.UtcNow - MostRecentStoreTimestamp.GetValueOrDefault(DateTimeOffset.MinValue);
int allowedLagMS = 5000;
if (!_isPolling && // don't raise a warning if the probe is currently trying to poll
_pollingSleepDurationMS <= int.MaxValue - allowedLagMS && // some probes (iOS HealthKit for age) have polling delays set to int.MaxValue. if we add to this (as we're about to do in the next check), we'll wrap around to 0 resulting in incorrect statuses. only do the check if we won't wrap around.
timeElapsedSincePreviousStore.TotalMilliseconds > (_pollingSleepDurationMS + allowedLagMS)) // system timer callbacks aren't always fired exactly as scheduled, resulting in health tests that identify warning conditions for delayed polling. allow a small fudge factor to ignore these warnings.
{
string eventName = TrackedEvent.Warning + ":" + GetType().Name;
Dictionary <string, string> properties = new Dictionary <string, string>
{
{ "Polling Latency", (timeElapsedSincePreviousStore.TotalMilliseconds - _pollingSleepDurationMS).Round(1000).ToString() }
};
Analytics.TrackEvent(eventName, properties);
events.Add(new Tuple <string, Dictionary <string, string> >(eventName, properties));
}
if (!SensusContext.Current.CallbackScheduler.ContainsCallback(_pollCallback))
{
string eventName = TrackedEvent.Error + ":" + GetType().Name;
Dictionary <string, string> properties = new Dictionary <string, string>
{
{ "Missing Callback", _pollCallback.Id }
};
Analytics.TrackEvent(eventName, properties);
events.Add(new Tuple <string, Dictionary <string, string> >(eventName, properties));
restart = true;
}
}
return(restart);
}
