TimeSpan GetMaxBackoffDelayForAttempt(Configuration config, int attempt)
{
var backoff = new ExponentialBackoffWithDecorrelation(config.DelayRetryDuration,
Configuration.MaximumRetryDuration);
return(TimeSpan.FromMilliseconds(backoff.GetMaximumMillisecondsForAttempt(attempt)));
}
public void Exponential_backoff_should_not_exceed_maximum()
{
TimeSpan max = TimeSpan.FromMilliseconds(30000);
ExponentialBackoffWithDecorrelation expo =
new ExponentialBackoffWithDecorrelation(TimeSpan.FromMilliseconds(1000), max);
var backoff = expo.GetNextBackOff();
Assert.True(backoff <= max);
}
public void Exponential_backoff_should_reset_when_reconnect_count_resets()
{
TimeSpan max = TimeSpan.FromMilliseconds(30000);
ExponentialBackoffWithDecorrelation expo =
new ExponentialBackoffWithDecorrelation(TimeSpan.FromMilliseconds(1000), max);
for (int i = 0; i < 100; i++)
{
var backoff = expo.GetNextBackOff();
}
expo.ResetReconnectAttemptCount();
// Backoffs use jitter, so assert that the reset backoff time isn't more than double the minimum
Assert.True(expo.GetNextBackOff() <= TimeSpan.FromMilliseconds(2000));
}
