data, used to store temporary data
        when reading in raw mode.
    @type _getBuffer: L{list}

    @ivar _bufferLength: the total amount of bytes in C{_getBuffer}.
    @type _bufferLength: L{int}

    @ivar _disconnected: indicate if the connectionLost has been called or not.
    @type _disconnected: L{bool}
    ית