private void AdjustBufferSize()
{
if (timeInSize++ < steps)
{
return;
}
if (internalBuffer.Length >= MaxBufferSize)
{
return;
}
timeInSize = 0;
steps += 2;
var newSize = Math.Min(internalBuffer.Length * 2, MaxBufferSize);
bufferPool.ReturnBuffer(internalBuffer);
internalBuffer = bufferPool.TakeBuffer(newSize);
}
private void EnsureCapacity(long requestedCapacity)
{
if (requestedCapacity <= _buffer.Length)
{
return;
}
//estimate that the needed buffer growth is at most twice the old length
var estimatedNewCapacity = _buffer.Length * 2;
//precaution -> to make sure casting long to int is ok (I doubt this will ever be not ok, but still)
Debug.Assert(requestedCapacity <= Int32.MaxValue, "should never grow buffer to these sizes");
//if the required capacity is more than the estimated growth, grow the buffer by the requested capacity
var newCapacity = (requestedCapacity <= estimatedNewCapacity) ? estimatedNewCapacity : (int)requestedCapacity;
var newBuffer = _bufferPool.TakeBuffer(newCapacity);
Buffer.BlockCopy(_buffer, 0, newBuffer, 0, _position);
_bufferPool.ReturnBuffer(_buffer);
_buffer = newBuffer;
}
public BufferPoolMemoryStream(IBufferPool bufferPool)
{
_bufferPool = bufferPool;
_buffer = _bufferPool.TakeBuffer(8 * 1024);
}
public BufferPoolMemoryStream(IBufferPool bufferPool)
{
_bufferPool = bufferPool;
_buffer = _bufferPool.TakeBuffer(8 * 1024);
}