[En-Nut-Discussion] NutUdpSendTo problem -- follow up (still not working)

[Rich Wellner]

Thanks for the tips from yesterday.  I've made some changes and still cannot
send to the Internet, but can now see packets on my local network.

The only thing I have to go on right now is that the gateway may not be
getting set properly.  Output is below.  I don't understand why NutIpRouteAdd
returns success but an immediate call to NutIpRouteQuery returns a null
NUTDEVICE and ip address of 0.

Output: 

UDP Monitor Daemon, Nut/OS: 3.4.1.1
route: 0
device: 0
Queried: 0.0.0.0
ip: 207.252.251.238
netmask: 255.255.255.248
gateway: 207.252.251.233
dest ip: 216.127.80.16
return: -1

Source:

int main(void)
{
    u_long baud = 115200;
    u_char i;
    u_long dest_addr;
    UDPSOCKET *udpsock;

    /*
     * Initialize the uart device.
     */
    NutRegisterDevice(&devDebug0, 0, 0);
    freopen("uart0", "w", stdout);
    _ioctl(_fileno(stdout), UART_SETSPEED, &baud);
    NutSleep(200);
    printf("\n\nUDP Monitor Daemon, Nut/OS: %s\n", NutVersionString());

#ifdef NUTDEBUG
    NutTraceTcp(stdout, 0);
    NutTraceOs(stdout, 0);
    NutTraceHeap(stdout, 0);
    NutTracePPP(stdout, 0);
#endif

    /*
     * Register Ethernet controller.
     */
    //if(NutRegisterDevice(&devSmsc111, 0, 0)) 
    if (NutRegisterDevice(&devEth0, 0x8300, 5))
        puts("Registering device failed");

    u_char mac[] = { MYMAC };
    u_long ip_addr = inet_addr(MYIP);
    u_long ip_mask = inet_addr(MYMASK);
    
    NutNetIfConfig("eth0", 
                   mac, 
                   ip_addr, 
                   ip_mask);

    printf("route: %d\n", NutIpRouteAdd(0, 0, inet_addr("207.252.251.233"), &devEth0));
    printf("device: %d\n", NutIpRouteQuery(inet_addr("216.127.80.16"), &ip_addr));
    printf("Queried: %s\n", inet_ntoa(ip_addr));

    printf("ip: %s\n", inet_ntoa(confnet.cdn_ip_addr));
    printf("netmask: %s\n", inet_ntoa(confnet.cdn_ip_mask));
    printf("gateway: %s\n", inet_ntoa(confnet.cdn_gateway));
 
    udpsock = NutUdpCreateSocket(0);

    dest_addr = inet_addr("216.127.80.16");
    printf("dest ip: %s\n", inet_ntoa(dest_addr));

    /*
     * We could do something useful here, like serving a watchdog.
     */
    NutThreadSetPriority(254);
    for (;;) {
        printf("return: %d\n", NutUdpSendTo(udpsock, dest_addr, 2526, "test", 4));
        NutSleep(1000);
        
    }
}