internal BufferList Clone(int index, int segmentOffset, int length)
{
var target = new BufferList();
var rest = length;
var segments = m_List;
for (var i = index; i < segments.Count; i++)
{
var pair = segments[i];
var segment = pair;
var offset = segment.Offset;
var thisLen = segment.Count;
if (i == index)
{
offset = segmentOffset;
thisLen = segment.Count - (segmentOffset - segment.Offset);
}
thisLen = Math.Min(thisLen, rest);
target.Add(new ArraySegment <byte>(segment.Array, offset, thisLen));
rest -= thisLen;
if (rest <= 0)
{
break;
}
}
return(target);
}
private void PushResetData(ArraySegment <byte> raw, int rest)
{
var segment = new ArraySegment <byte>(raw.Array, raw.Offset + raw.Count - rest, rest);
m_ReceiveCache.Add(segment);
}