/// <summary>
/// Returns if an address has exceeded the set rate limit, does NOT increment the rate limit
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public bool CanRequestNoTrigger(IPAddress address)
{
FlushExpired();
if (!instances.TryGetValue(address, out var instance))
{
instance = new LimitedInstance(address);
if (!instances.TryAdd(address, instance))
{
if (!instances.TryGetValue(address, out instance))
{
return(false);
}
}
else
{
expirationQueue.Enqueue(instance);
}
}
lock (instance)
{
return(instance.count < rateLimit);
}
}
public void Trigger(IPAddress address)
{
if (!instances.TryGetValue(address, out var instance))
{
instance = new LimitedInstance(address);
if (!instances.TryAdd(address, instance))
{
if (!instances.TryGetValue(address, out instance))
{
return;
}
}
else
{
expirationQueue.Enqueue(instance);
}
}
lock (instance)
{
instance.count++;
}
}
