/// <summary>
///
/// </summary>
/// <param name="buffer">����ArrayBuffer</param>
/// <param name="offset">buffer�е���ʼλ��</param>
/// <param name="length">���ݳ���</param>
/// <param name="id">���</param>
public BufferSegment(ArrayBuffer buffer, int offset, int length, int id)
{
Buffer = buffer;
Offset = offset;
Length = length;
Number = id;
}
/// <summary>
/// Creates a new buffer and adds the segments to the buffer pool.
/// </summary>
private void CreateBuffer()
{
// create a new buffer
var newBuf = new ArrayBuffer(this, _segmentCount * _segmentSize);
// create segments from the buffer
for (int i = 0; i < _segmentCount; i++) {
_availableSegments.Enqueue(new BufferSegment(newBuf, i * _segmentSize, _segmentSize, _segmentId++));
}
// increment our total count
_totalSegmentCount += _segmentCount;
// hold a ref to our new buffer
_buffers.Add(newBuf);
// update global alloc'd memory
Interlocked.Add(ref GlobalAllocatedMemory, _segmentCount * _segmentSize);
}