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Re: Problem reading broadcast IP
Ok for binding broadcast adress but how do you specify the interface
(ex: eth0) ?
thank you,
2008/1/18, Andrew Lunn <andrew@lunn.ch>:
> On Fri, Jan 18, 2008 at 10:00:56AM +0100, Emmanuel Coullien wrote:
> > Hi,
> >
> > I' am trying to get broadcast frame from Ethernet with the following code :
> >
> > void Test_system_UDP2(void)
> > {
> > int n_read;
> > struct timeval tv;
> > int srecept;
> > struct sockaddr_in srv_recept;
> > int FrameErrCountSocket1=0;
> > int DataErrCountSocket1=0;
> > int RecvError=0;
> > int ErrSendSocket=0;
> > int CountSocket1=0;
> > int i;
> > unsigned char j;
> > int StartCycle =1;
> > /* for select on socket */
> > int ret;
> > fd_set file_set;
> >
> > int FlgON = 1; // Utiliser pour activer des Options dans SetSockOpt
> >
> > /*** Init de la socket de reception ***/
> > bzero(&srv_recept, sizeof(srv_recept));
> > srv_recept.sin_family = AF_INET;
> > srv_recept.sin_port = htons(PORT_TO_SEND);
> > // srv_recept.sin_addr.s_addr=INADDR_ANY;
> > srv_recept.sin_addr.s_addr=inet_addr("192.168.1.3");
>
> Just a guess, but try binding to the broadcast address on that
> interface, not the interface address itself.
>
> > I tried on a PC and I haven't any problem with
> > srv_recept.sin_addr.s_addr=inet_addr("192.168.1.3");. I received the
> > broadcast frame.
>
> A PC runing FreeBSD?
>
> Andrew
>
--
Emmanuel Coullien
--
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