public void HandleFailure(string identifier)
{
LogonAttempts attempts = _logonDict.GetOrAdd(
identifier, key => new LogonAttempts(_maxAttempts));
attempts.PutNext();
}
public LogonAttempts Merge(LogonAttempts replaced)
{
lock (_locker)
lock (replaced._locker)
{
DateTime[] buffer = _queue.Buffer;
DateTime lastTime = buffer[_queue.Head];
var mergedTimes = replaced.GetAccessTimes()
.SkipWhile(t => t <= lastTime);
foreach (var newTime in mergedTimes)
{
buffer[_queue.Head] = newTime;
_queue.Head = (_queue.Head + 1) % buffer.Length;
}
Interlocked.Exchange(ref replaced._queue, _queue);
}
return(this);
}