Local IP address
Till Straumann
strauman at SLAC.Stanford.EDU
Mon Oct 20 16:45:40 UTC 2003
Richard M. Barry wrote:
> Thomas,
> I tried your code, but I get a compiler error: "sizeof applied to an incomplete type" for the rtems_bsdnet_config() line.
>
#include <rtems/rtems_bsdnet.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <netinet/in.h>
#include <net/if.h>
void
gifaddr(struct sockaddr_in *paddr)
{
rtems_bsdnet_ifconfig("eth0", SIOCGIFADDR, paddr);
}
HTH
-- Till
> Richard
>
> -----Original Message-----
> From: Thomas Rauscher [mailto:trauscher at loytec.com]
> Sent: Mon 20/10/2003 11:23
> To: Richard M. Barry; rtems-users at rtems.com
> Cc:
> Subject: RE: Local IP address
>
>
>
>
>
> > -----Original Message-----
> > From: Richard M. Barry [mailto:R.Barry at sstl.co.uk]
> > Sent: Monday, October 20, 2003 11:16 AM
> > To: rtems-users at rtems.com
> > Subject: Local IP address
> >
> >
> > How can I get the local IP address (the server's address, not
> > the client's) in a server I'm running? I want to do this
> > before any connections are made from a client.
> >
> > Richard
> >
>
> The following code should do it.
> You just have to provide the correct interface name.
>
> struct sockaddr_in addr;
> rtems_bsdnet_ifconfig("eth0", SIOCGIFADDR, &addr);
>
> The IP address is then in addr.sin_addr.s_addr .
>
> Best regards,
> Thomas Rauscher
>
> --
> Dipl.-Ing. Thomas Rauscher Tel.: ++43 1 402 08 05 15
> Fax: ++43 1 402 08 05 99
> LOYTEC electronics GmbH E-mail: trauscher at loytec.com
> Stolzenthalergasse 24/3, A-1080 Wien Web: http://www.loytec.com
>
>
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