protected override int GetCurrentPressure()
{
int num = GC.CollectionCount(2);
SRef ref2 = this._sizedRef;
if ((num != this._gen2Count) && (ref2 != null))
{
this._gen2Count = num;
this._idx ^= 1;
this._cacheSizeSampleTimes[this._idx] = DateTime.UtcNow;
this._cacheSizeSamples[this._idx] = ref2.ApproximateSize;
ApplicationManager applicationManager = HostingEnvironment.GetApplicationManager();
if (applicationManager != null)
{
long sizeUpdate = this._cacheSizeSamples[this._idx] - this._cacheSizeSamples[this._idx ^ 1];
this._totalCacheSize = applicationManager.GetUpdatedTotalCacheSize(sizeUpdate);
}
else
{
this._totalCacheSize = this._cacheSizeSamples[this._idx];
}
}
if (this._memoryLimit <= 0L)
{
return(0);
}
long num3 = this._cacheSizeSamples[this._idx];
if (num3 > this._memoryLimit)
{
num3 = this._memoryLimit;
}
PerfCounters.SetCounter(AppPerfCounter.CACHE_PERCENT_PROC_MEM_LIMIT_USED, (int)(num3 >> 10));
return((int)((num3 * 100L) / this._memoryLimit));
}
internal CacheMemorySizePressure(SRef sizedRef)
{
this._sizedRef = sizedRef;
this._gen2Count = GC.CollectionCount(2);
this._cacheSizeSamples = new long[2];
this._cacheSizeSampleTimes = new DateTime[2];
base._pressureHigh = 0x63;
base._pressureMiddle = 0x62;
base._pressureLow = 0x61;
this._startupTime = DateTime.UtcNow;
base.InitHistory();
}
internal CacheMemorySizePressure(SRef sizedRef)
{
this._sizedRef = sizedRef;
this._gen2Count = GC.CollectionCount(2);
this._cacheSizeSamples = new long[2];
this._cacheSizeSampleTimes = new DateTime[2];
base._pressureHigh = 0x63;
base._pressureMiddle = 0x62;
base._pressureLow = 0x61;
this._startupTime = DateTime.UtcNow;
base.InitHistory();
}
internal void Dispose()
{
SRef comparand = this._sizedRef;
if ((comparand != null) && (Interlocked.CompareExchange <SRef>(ref this._sizedRef, null, comparand) == comparand))
{
comparand.Dispose();
}
ApplicationManager applicationManager = HostingEnvironment.GetApplicationManager();
if (applicationManager != null)
{
long sizeUpdate = -this._cacheSizeSamples[this._idx];
applicationManager.GetUpdatedTotalCacheSize(sizeUpdate);
}
}
internal CacheMemoryStats(SRef sizedRef)
{
this._pressureCacheSize = new CacheMemorySizePressure(sizedRef);
}
internal CacheMemoryStats(SRef sizedRef)
{
this._pressureCacheSize = new CacheMemorySizePressure(sizedRef);
}
