private static void OnUserRemovedFromCache(string userToken, FailureThrottling.FailureCounter value, RemoveReason reason)
{
Logger.TraceDebug(ExTraceGlobals.FailureThrottlingTracer, "User {0} is removed from failure throttling user cache. Reason: {1}", new object[]
{
userToken,
reason
});
FailFastModule.RemotePowershellPerfCounter.FailureThrottlingUserCacheSize.RawValue = (long)FailureThrottling.failureThrottlingUserCache.Count;
}
private static FailureThrottling.FailureCounter GetCounter(string userToken)
{
Logger.EnterFunction(ExTraceGlobals.FailureThrottlingTracer, "FailureThrottlingUserCache.GetCounter");
FailureThrottling.FailureCounter failureCounter;
FailureThrottling.failureThrottlingUserCache.TryGetValue(userToken, out failureCounter);
if (failureCounter == null || !failureCounter.IsValid)
{
Logger.TraceDebug(ExTraceGlobals.FailureThrottlingTracer, "Create counter for User {0}.", new object[]
{
userToken
});
failureCounter = new FailureThrottling.FailureCounter();
FailureThrottling.failureThrottlingUserCache.InsertAbsolute(userToken, failureCounter, FailureThrottling.FailureThrottlingTimePeriod, new RemoveItemDelegate <string, FailureThrottling.FailureCounter>(FailureThrottling.OnUserRemovedFromCache));
FailFastModule.RemotePowershellPerfCounter.FailureThrottlingUserCacheSize.RawValue = (long)FailureThrottling.failureThrottlingUserCache.Count;
}
Logger.ExitFunction(ExTraceGlobals.FailureThrottlingTracer, "FailureThrottlingUserCache.GetCounter");
return(failureCounter);
}
internal static bool CountBasedOnStatusCode(string userToken, int statusCode)
{
int num;
if (statusCode != 200)
{
if (statusCode != 400 && statusCode != 500)
{
return(false);
}
num = 1;
}
else
{
num = -1;
}
FailureThrottling.FailureCounter counter = FailureThrottling.GetCounter(userToken);
counter.AddDelta(num);
Logger.TraceDebug(ExTraceGlobals.FailureThrottlingTracer, "User {0} counter changed to be {1}. Current status code is {2}.", new object[]
{
userToken,
counter.Value,
statusCode
});
if (num == 1 && counter.Value > FailureThrottling.failureThrottlingLimit)
{
Logger.TraceDebug(ExTraceGlobals.FailureThrottlingTracer, "User {0} is OverBudget. Counter: {1}. FailureThrottlingLimit: {2}", new object[]
{
userToken,
counter.Value,
FailureThrottling.failureThrottlingLimit
});
return(true);
}
return(false);
}