Function at_setsockopt

components/net/at/at_socket/at_socket.c:1297–1350

}

int at_setsockopt(int socket, int level, int optname, const void *optval, socklen_t optlen)
{
    struct at_socket *sock;

    if (optval == RT_NULL)
    {
        LOG_E("AT setsockopt input option value error!");
        rt_set_errno(EFAULT);
        return -1;
    }

    sock = at_get_socket(socket);
    if (sock == RT_NULL)
    {
        rt_set_errno(ENXIO);
        return -1;
    }

    switch (level)
    {
    case SOL_SOCKET:
        switch (optname)
        {
        case SO_RCVTIMEO:
            sock->recv_timeout = ((const struct timeval *) optval)->tv_sec * 1000
                    + ((const struct timeval *) optval)->tv_usec / 1000;
            break;

        case SO_SNDTIMEO:
            sock->send_timeout = ((const struct timeval *) optval)->tv_sec * 1000
                    + ((const struct timeval *) optval)->tv_usec / 1000;
            break;

        default:
            LOG_E("AT socket (%d) not support option name : %d.", socket, optname);
            rt_set_errno(EPERM);
            return -1;
        }
        break;
    case IPPROTO_TCP:
        switch (optname)
        {
        case TCP_NODELAY:
            break;
        }
        break;
    default:
        LOG_E("AT socket (%d) not support option level : %d.", socket, level);
        rt_set_errno(EPERM);
        return -1;
    }

    return 0;
}

static uint32_t ipstr_atol(const char* nptr)
{