[olsr-dev] adding received signal info

[spoggle]

If you get results from this, please post them here. How much of a burden is 
collecting the signal strengths?

On 5/24/05, Bruno Randolf <(spam-protected)> wrote:
> 
> hello eduard!
> 
> i have started to do the same, based on the link_layer code andreas once
> wrote. my focus at the moment is to display the signal/noise values on a 
> TCP
> port, to show the signal strength to each neighbor node. this should 
> assist
> installing and optimizing an olsr network. adding a fuction to flood this
> info thru the network is quite easy.
> 
> i think such functionality is best suited in a plugin. if we would change 
> the
> format of the HELLO and TC messages we would (once again ;)) break RFC
> compliance. there is documentation on how to write plugins on olsr.org<http://olsr.org>, 
> but
> you can also learn a lot from looking at the other plugins.
> 
> the stuff i wrote is quick & dirty and relies on another plugin interface,
> which might be in CVS sometimes if we know it works on every platform. for
> now you have to add the linker option "-Wl,-export-dynamic" for the main
> olsrd executable. there are other problems involved with getting the SNR 
> in
> ad-hoc mode: we use iwspy (wireless extensions) for this, and by default 
> the
> maximum number of nodes we can spy is 8. this is a define which can be
> changed in the kernel, however. and we need to have the MAC address of the
> node in the ARP table, so we have to send a ping to get that, which is 
> also
> kind of ugly.
> 
> ok, here's the source: http://meshcube.org/dev/olsr/info.tgz
> 
> bruno
> 
> On Tuesday 24 May 2005 11:53, Eduard GV wrote:
> > Hi,
> >
> > I'd like to modify OLSR code to add information regarding received
> > signal between neighbours in Hello and TC messages. I'm starting to
> > have a look at the sources, but I'd be grateful if someone points me
> > directly to the right place.
> >
> >
> > To be more precise...I have to get
> >
> > - Modify hello packet format to include signal power received from
> > neighbours - Fill the packet with this information
> > - Extract signal info from hello messages
> > - Modify TC packet format to include signal info on published links
> > - Fill the packet with this information
> > - Extract signal info from TC messages
> >
> > * Which files/functions should I revise?
> > * Should I try to create a plugin instead of modifying the original
> > olsr code? In that case, is there any helpful documentation I could
> > learn with?
> >
> >
> > Thank you very much ;)
> > _______________________________________________
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> > (spam-protected)
> > https://www.olsr.org/mailman/listinfo/olsr-dev
> 
> 
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