public ByteBuf GetBuffer()
{
int size;
IntPtr dataPtr = GetDefaultDataIntPtr(out size);
UnmanagedByteBuf byteBuf = (UnmanagedByteBuf)WrapMemorySegment(dataPtr, 0 /* filledSize */);
return(byteBuf);
}
private UnmanagedByteBuf GetByteBufCore()
{
ByteBuf byteBuf;
if (!_byteBufs.TryDequeue(out byteBuf))
{
byteBuf = new UnmanagedByteBuf(this);
}
return((UnmanagedByteBuf)byteBuf);
}
public UnmanagedByteBuf WrapMemorySegment(IntPtr dataPtr, int filledSize)
{
IntPtr memSegPtr = MemorySegment.GetMemSegPtrByDataPtr(dataPtr);
UnmanagedByteBuf byteBuf = GetByteBufCore();
byteBuf.Attach(memSegPtr);
byteBuf.SetWrite(filledSize);
return(byteBuf);
}
public override void Append(ByteBuf byteBuf)
{
UnmanagedByteBuf unmanagedByteBuf = (UnmanagedByteBuf)byteBuf;
IntPtr appendixCurrentMemSegPtr = unmanagedByteBuf._memSegPtr;
IntPtr appendixLastMemSegPtr = unmanagedByteBuf._lastMemSegPtr;
MemorySegment.SetNext(_lastMemSegPtr, appendixCurrentMemSegPtr);
MemorySegment.SetPrev(appendixCurrentMemSegPtr, _lastMemSegPtr);
_lastMemSegPtr = appendixLastMemSegPtr;
_globalWrited += unmanagedByteBuf._globalWrited;
// Т.к. мы все забрали у присоединяемого буфера, то буфер как обертка больше не нужен.
// Освобождаем его.
unmanagedByteBuf.ReleaseCore();
}
internal void Release(UnmanagedByteBuf unmanagedByteBuf)
{
_byteBufs.Enqueue(unmanagedByteBuf);
}