public static async Task<Ticket> AcquireTicket()
{
var count = _tickets.Count;
#if DEBUG
var totalWaitTime = 0;
#endif
while (_tickets.Count >= _maxTickets)
{
var waitTime = (int)_waitTime + 1;
#if DEBUG
totalWaitTime += waitTime;
#endif
await Task.Delay(waitTime);
}
#if DEBUG
if (totalWaitTime > 0)
{
System.Diagnostics.Debug.WriteLine("Had to wait for a ticket for a total of " + totalWaitTime + " ms");
}
#endif
Ticket ticket = new Ticket(_index++, DateTime.Now);
_tickets.Add(ticket);
return ticket;
}
public static void ReleaseTicket(Ticket ticket)
{
var timespan = (long)(DateTime.Now - ticket.Timestamp).TotalMilliseconds;
var waitTime = (_waitTime + timespan) / 2;
#if DEBUG
System.Diagnostics.Debug.WriteLine("Ticket " + ticket.Id + " was reserved for " + waitTime + " ms");
#endif
_tickets.Remove(ticket);
_waitTime = _tickets.Count > 0 ? waitTime : 0;
}