public async Task ReceiveMoreAsync()
{
if (BytesLeftToProcess > 0 && Offset > _bufferOffset)
{
System.Buffer.BlockCopy(Buffer, Offset, Buffer, _bufferOffset, BytesLeftToProcess);
Offset = _bufferOffset;
}
BytesLeftToProcess =
await _channel.ReceiveAsync(Buffer, Offset + BytesLeftToProcess, _bufferCapacity - BytesLeftToProcess);
}
