Beispiel #1
0
        private DecodeResult EightByteSizeReady()
        {
            m_tmpbuf.Reset();

            // The payload size is encoded as 64-bit unsigned integer.
            // The most significant byte comes first.
            ulong msgSize = m_tmpbuf.GetUnsignedLong(Endian, 0);

            // Message size must not exceed the maximum allowed size.
            if (m_maxmsgsize >= 0 && msgSize > (ulong)m_maxmsgsize)
            {
                return(DecodeResult.Error);
            }

            // TODO: move this constant to a good place (0x7FFFFFC7)
            // Message size must fit within range of size_t data type.
            if (msgSize > 0x7FFFFFC7)
            {
                return(DecodeResult.Error);
            }

            // in_progress is initialised at this point so in theory we should
            // close it before calling init_size, however, it's a 0-byte
            // message and thus we can treat it as uninitialised.
            m_inProgress.InitPool((int)msgSize);

            m_inProgress.SetFlags(m_msgFlags);
            NextStep(new ByteArraySegment(m_inProgress.Data, m_inProgress.Offset),
                     m_inProgress.Size, MessageReadyState);

            return(DecodeResult.Processing);
        }