/*
* PRIVATE METHODS
*/
// Randomize values for a new pair
private void GenerateNewPair()
{
if (RandomPairsList == null)
{
RandomPairsList = new List <PairItem>();
}
Random rand = new Random(DateTime.UtcNow.Millisecond);
int second = rand.Next(MIN_TTL, MAX_TTL);
int value = rand.Next(MIN_VALUE, MAX_VALUE);
RandomPairsList.Add(new PairItem(second, value));
}
private void RemoveExceedPairs()
{
try
{
int exceedNumber = RandomPairsList.Count - MAX_PAIRS + 1;
if (exceedNumber > 0)
{
RandomPairsList.RemoveRange(0, exceedNumber);
}
}
catch (Exception ex)
{
// TODO: log error
}
}
private void RemoveExpiredPairs()
{
if (RandomPairsList == null || RandomPairsList.Count == 0)
{
return;
}
try
{
// reduce TTL count for all pairs, assuming this method is called once per second
RandomPairsList.ForEach(p => p.TTL--);
// then remove the expired ones
RandomPairsList.RemoveAll(p => p.TTL <= 0);
}
catch (Exception ex)
{
// TODO: log error
}
}
