[OLSR-users] topology visualization

Roar Bjørgum Rotvik (spam-protected)
Fri Dec 17 11:02:58 CET 2004

Bruno Randolf wrote:

[text deleted]

> i have hacked together a little perl script which connects to this port and 
> displays this information. it uses the graphviz and imagemagick pacakges for 
> generating and viewing the images, and really is quite a hack. but its very 
> interresting and helpful to actually see the network topology graphically, i 
> think.

Thanks for this Bruno.

I only have one issue with this:
In your script you use "display -update 5" to update the picture every 5 
seconds, right?

When I run this script, the picture does not update even if I see that 
the date on the file /tmp/topology.png changes.. Do you have the same 

This is on a stock RH8.0 machine, maybe my ImageMagic-version is too old 
or someting...

Anyway, nice "hack"!


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