[Olsr-dev] RFC: Allow to use a specific routing table for dyn_gw_plain

Henning Rogge (spam-protected)
Sat Oct 5 09:42:32 CEST 2013

I like the general idea, but I have a question.

Did you wrote the Netlink code from scratch or do you used some
existing code? I ask because I know (from experience) that netlink
code can be tricky as hell.

Henning Rogge

On Fri, Oct 4, 2013 at 9:05 PM, Manuel Munz <(spam-protected)> wrote:
> Hi,
> i needed a way to monitor a specific routing table with the dyn-gw-plain
> plugin (for policy-routing foo). So i modified dyn-gw-plain plugin a bit:
> * ask the kernel using a netlink socket for the default route instead of
> parsing /proc/net/route
> * Allow to specify a table which we want to watch for a defaultroute
> with metric 0 in the config file. This defaults to 254 (the main table).
> So if RtTable is unset then the behaviour should be like before.
> I'd like to ask for comments about these changes. I usually don't use C
> so i'm not 100% sure these changes are OK. But at least it works as
> expected for me (tested on my desktop which is debian 64 bit and also on
> openwrt).
> I'd like to commit that into the master branch after someone has checked
> that it is ok.
> Regards, soma
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