Function handle_socket

tests/rotctld.c:608–703

* This is the function run by the threads */

 * This is the function run by the threads
 */
void *handle_socket(void *arg)
{
    struct handle_data *handle_data_arg = (struct handle_data *)arg;
    FILE *fsockin;
    FILE *fsockout;
    int retcode;
    char host[NI_MAXHOST];
    char serv[NI_MAXSERV];

#ifdef __MINGW32__
    int sock_osfhandle = _open_osfhandle(handle_data_arg->sock, _O_RDONLY);

    if (sock_osfhandle == -1)
    {
        rig_debug(RIG_DEBUG_ERR, "_open_osfhandle error: %s\n", strerror(errno));
        goto handle_exit;
    }

    fsockin = _fdopen(sock_osfhandle,  "rb");
#elif defined(ANDROID) || defined(__ANDROID__)
    // fdsan does not allow fdopen the same fd twice in Android
    fsockin = fdopen(dup(handle_data_arg->sock), "rb");
#else
    fsockin = fdopen(handle_data_arg->sock, "rb");
#endif

    if (!fsockin)
    {
        rig_debug(RIG_DEBUG_ERR, "fdopen in: %s\n", strerror(errno));
        goto handle_exit;
    }

#ifdef __MINGW32__
    fsockout = _fdopen(sock_osfhandle, "wb");
#elif defined(ANDROID) || defined(__ANDROID__)
    // fdsan does not allow fdopen the same fd twice in Android
    fsockout = fdopen(dup(handle_data_arg->sock), "wb");
#else
    fsockout = fdopen(handle_data_arg->sock, "wb");
#endif

    if (!fsockout)
    {
        rig_debug(RIG_DEBUG_ERR, "fdopen out: %s\n", strerror(errno));
        fclose(fsockin);
        goto handle_exit;
    }

    do
    {
        retcode = rotctl_parse(handle_data_arg->rot, fsockin, fsockout, NULL, 0, 1, 0,
                               '\r');

        if (ferror(fsockin) || ferror(fsockout))
        {
            retcode = 1;
        }
    }