Exemplo n.º 1
0
        private bool EightByteSizeReady()
        {
            m_tmpbuf.Reset();

            //  8-byte payload length is read. Allocate the buffer
            //  for message body and read the message data into it.
            long payloadLength = m_tmpbuf.GetLong(Endian, 0);

            //  There has to be at least one byte (the flags) in the message).
            if (payloadLength == 0)
            {
                DecodingError();
                return(false);
            }

            //  Message size must not exceed the maximum allowed size.
            if (m_maxmsgsize >= 0 && payloadLength - 1 > m_maxmsgsize)
            {
                DecodingError();
                return(false);
            }

            //  Message size must fit within range of size_t data type.
            if (payloadLength - 1 > int.MaxValue)
            {
                DecodingError();
                return(false);
            }

            int msgSize = (int)(payloadLength - 1);

            //  in_progress is initialized 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 uninitialized...
            m_inProgress.InitPool(msgSize);

            NextStep(m_tmpbuf, 1, FlagsReadyState);

            return(true);
        }
Exemplo n.º 2
0
        private bool EightByteSizeReady()
        {
            m_tmpbuf.Reset();

            //  The payload size is encoded as 64-bit unsigned integer.
            //  The most significant byte comes first.

            long msg_size = m_tmpbuf.GetLong(Endian, 0);

            //  Message size must not exceed the maximum allowed size.
            if (m_maxmsgsize >= 0)
            {
                if (msg_size > m_maxmsgsize)
                {
                    DecodingError();
                    return(false);
                }
            }

            //  Message size must fit within range of size_t data type.
            if (msg_size > int.MaxValue)
            {
                DecodingError();
                return(false);
            }

            //  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)msg_size);

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

            return(true);
        }