public double BlockChance => 1.0 - WindowPercentage; // slowly unblock in the second half
/// <summary>
/// Normal, non-errornous call attempt. Returns null if an error occured, or if the call was throttled
/// </summary>
public async Task <T> CallAsync <T>(Func <Task <T> > func)
{
// Still blocking?
if (IsBlocking)
{
// Roll a dice on how many requests to let pass
if (Rand.ChanceDouble(BlockChance))
{
Interlocked.Increment(ref numBlockedRequestsInWindow);
//BlockedRequests.Mark();
return(default(T));
}
}
// Clear a window otherwise?
else if (beginningOfBlockOutWindow != null)
{
Interlocked.Exchange(ref numErrors, 0);
beginningOfBlockOutWindow = null;
Log.Warn($"ErrorRateLimiter is LEAVING blocking mode (blocked {numBlockedRequestsInWindow} requests)");
}
try
{
return(await func());
}
catch (Exception ex)
{
Log.Warn($"ErrorRateLimiter.Call caught: {ex.Message}");
IncrementErrors();
return(default(T));
}
}
/// <summary>
/// Aquires a broadcast Queue
/// </summary>
public static DispatchingQueue Acquire(Action <GameClient> tcpAction, double dispatchChance = 1)
{
var q = QueuePool.Pop();
q.forTcp = tcpAction;
q.shouldDispatch = GameServer.DispatchEnable && Rand.ChanceDouble(dispatchChance);
return(q);
}
