public void Reserve(long capacity)
{
if (capacity <= Capacity)
{
return;
}
var newBuffer = ReusableByteBufferManager.GetBuffer(capacity);
if (this.length > 0)
{
if (this.bufferValidFrom < this.bufferValidTo)
{
Array.Copy(this.reusableBuffer.Buffer, this.bufferValidFrom, newBuffer.Buffer, 0, this.length);
}
else
{
Array.Copy(this.reusableBuffer.Buffer, this.bufferValidFrom, newBuffer.Buffer, 0, Capacity - this.bufferValidFrom);
Array.Copy(this.reusableBuffer.Buffer, 0, newBuffer.Buffer, Capacity - this.bufferValidFrom, this.bufferValidTo);
}
}
this.reusableBuffer.Dispose();
this.reusableBuffer = newBuffer;
this.bufferValidFrom = 0;
this.bufferValidTo = this.length;
}
public CircularMemoryStream(int baseCapacity = 0, FeedOverflowMode feedOverflowMode = FeedOverflowMode.ExtendCapacity)
{
this.overflowMode = feedOverflowMode;
if (feedOverflowMode == FeedOverflowMode.ExtendCapacity && baseCapacity == 0)
{
this.reusableBuffer = ReusableByteBufferManager.GetBuffer();
}
else
{
this.reusableBuffer = ReusableByteBufferManager.GetBuffer(baseCapacity);
}
}