| Barry Margolin 2006-04-02, 7:41 pm |
| In article <1143428013.144932.8460@u72g2000cwu.googlegroups.com>,
"manu" <manoharyes@gmail.com> wrote:
> thank u guys...
> thank u soo much for the info.
>
> Now i am confirmed tat I can build my own structure and hand it to IP
> layer using raw sockets.
> now i am trying to write various structures and convert it to strings
> for sendto..
>
> My question is..
> for handling ICMP packets, the structure is defined in ip_icmp.h, but
> for OSPF no header file is defined.
Naturally, since Unix doesn't have any built-in OSPF support. Why would
it need a header file for something it doesn't use?
> so we need to define our own structure and fill in the header..
> so , are we allowed to build any structure with any members on it?
> how does the IP layer know if the structure is valid?
> is there any specific headers(OSPF) which has to be mandatorily
> filled?
You need to fill in all the headers that IP and OSPF require.
--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
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