private void SetFailureCount(RestartStatistics rs)
{
// if we are within the backoff window, exit early
if (rs.IsWithinDuration(_backoffWindow))
{
rs.Fail();
return;
}
//we are past the backoff limit, reset the failure counter
rs.Reset();
}
private bool RequestRestartPermission(RestartStatistics rs)
{
if (_maxNrOfRetries == 0)
{
return(false);
}
rs.Fail();
if (_withinTimeSpan == null || rs.IsWithinDuration(_withinTimeSpan.Value))
{
return(rs.FailureCount <= _maxNrOfRetries);
}
rs.Reset();
return(true);
}
private bool ShouldStop(RestartStatistics rs)
{
if (_maxNrOfRetries == 0)
{
return(true);
}
rs.Fail();
if (rs.NumberOfFailures(_withinTimeSpan) > _maxNrOfRetries)
{
rs.Reset();
return(true);
}
return(false);
}
public void HandleFailure(ISupervisor supervisor, PID child, RestartStatistics rs, Exception reason, object message)
{
if (rs.NumberOfFailures(_backoffWindow) == 0)
{
rs.Reset();
}
rs.Fail();
var backoff = rs.FailureCount * ToNanoseconds(_initialBackoff);
var noise = _random.Next(500);
var duration = TimeSpan.FromMilliseconds(ToMilliseconds(backoff + noise));
Task.Delay(duration).ContinueWith(t =>
{
supervisor.RestartChildren(reason, child);
});
}