public override byte[] TakeBuffer(int bufferSize)
{
InternalBufferManager.PooledBufferManager.BufferPool bufferPool = this.FindPool(bufferSize);
if (bufferPool == null)
{
return(InternalBufferManager.AllocateByteArray(bufferSize));
}
byte[] numArray = bufferPool.Take();
if (numArray != null)
{
bufferPool.DecrementCount();
return(numArray);
}
if (bufferPool.Peak == bufferPool.Limit)
{
InternalBufferManager.PooledBufferManager.BufferPool misses = bufferPool;
misses.Misses = misses.Misses + 1;
InternalBufferManager.PooledBufferManager pooledBufferManager = this;
int num = pooledBufferManager.totalMisses + 1;
int num1 = num;
pooledBufferManager.totalMisses = num;
if (num1 >= 8)
{
this.TuneQuotas();
}
}
return(InternalBufferManager.AllocateByteArray(bufferPool.BufferSize));
}
public PooledBufferManager(long maxMemoryToPool, int maxBufferSize)
{
this.tuningLock = new object();
this.remainingMemory = maxMemoryToPool;
List <InternalBufferManager.PooledBufferManager.BufferPool> bufferPools = new List <InternalBufferManager.PooledBufferManager.BufferPool>();
int num = 128;
while (true)
{
long num1 = this.remainingMemory / (long)num;
int num2 = (num1 > (long)2147483647 ? 2147483647 : (int)num1);
if (num2 > 1)
{
num2 = 1;
}
bufferPools.Add(InternalBufferManager.PooledBufferManager.BufferPool.CreatePool(num, num2));
InternalBufferManager.PooledBufferManager pooledBufferManager = this;
pooledBufferManager.remainingMemory = pooledBufferManager.remainingMemory - (long)num2 * (long)num;
if (num >= maxBufferSize)
{
break;
}
long num3 = (long)num * (long)2;
num = (num3 <= (long)maxBufferSize ? (int)num3 : maxBufferSize);
}
this.bufferPools = bufferPools.ToArray();
this.bufferSizes = new int[(int)this.bufferPools.Length];
for (int i = 0; i < (int)this.bufferPools.Length; i++)
{
this.bufferSizes[i] = this.bufferPools[i].BufferSize;
}
}
private void ChangeQuota(ref InternalBufferManager.PooledBufferManager.BufferPool bufferPool, int delta)
{
InternalBufferManager.PooledBufferManager.BufferPool bufferPool1 = bufferPool;
int limit = bufferPool1.Limit + delta;
InternalBufferManager.PooledBufferManager.BufferPool bufferPool2 = InternalBufferManager.PooledBufferManager.BufferPool.CreatePool(bufferPool1.BufferSize, limit);
for (int i = 0; i < limit; i++)
{
byte[] numArray = bufferPool1.Take();
if (numArray == null)
{
break;
}
bufferPool2.Return(numArray);
bufferPool2.IncrementCount();
}
InternalBufferManager.PooledBufferManager bufferSize = this;
bufferSize.remainingMemory = bufferSize.remainingMemory - (long)(bufferPool1.BufferSize * delta);
bufferPool = bufferPool2;
}