Method receive_header

C++/dgramoverstream.cpp:240–257

* @brief Receive and decode length header. * @returns The expected length received. * @throws socket_exception */

 * @throws socket_exception
 */
uint32_t dgram_over_stream::receive_header(void) {
    ssize_t pos = 0;

    do {
        ssize_t result =
            inner->rcv(prefix_buffer + pos, FRAMING_PREFIX_LENGTH, 0);

        if (result < 0)
            throw socket_exception(__FILE__, __LINE__,
                                   "dgram_over_stream::receive_header(): Could "
                                   "not receive length prefix!",
                                   false);

        pos += result;
    } while (pos < 4);

    return decode_uint32(prefix_buffer);
}
}  // namespace libsocket

/**