public override int Read(byte[] buffer, int offset, int count)
{
var remaining = _length - _position;
if (remaining < count)
{
count = (int)remaining;
}
if (count <= 0)
{
return(0);
}
MemoryUtils.PinAndCopyMemory(_buffer, (int)_position, buffer, offset, count);
_position += count;
return(count);
}
public byte[] FullBuffer()
{
var data = new byte[_length];
var page = _first;
int position = 0;
fixed(byte *b = data)
while (page != null)
{
var length = (*page).Used;
MemoryUtils.CopyMemory(BufferHeader.Data(page), b + position, length);
position += length;
page = (*page).Next;
}
return(data);
}
public override void Write(byte[] buffer, int offset, int count)
{
var initialCount = count;
fixed(byte *src = buffer)
while (true)
{
int capacity = EnsureCapacity();
int toCopy = Math.Min(count, capacity);
MemoryUtils.CopyMemory(src + offset, BufferHeader.Data(_current) + (*_current).Used, toCopy);
(*_current).Used += toCopy;
count -= toCopy;
if (count == 0)
{
break;
}
offset += toCopy;
}
_length += initialCount;
}