Re: Can one program see another's scan-results?

[Johannes Berg <johannes@sipsolutions.net>]

On Tue, 2012-07-10 at 12:19 -0700, Ben Greear wrote:
> On 07/10/2012 12:08 PM, Johannes Berg wrote:
> > On Tue, 2012-07-10 at 12:02 -0700, Ben Greear wrote:
> >> Is there a way to open a netlink socket and have it receive
> >> all scan results (even those requested by other applications)?
> >
> > What do you mean by scan results? The results themselves? No, they are a
> > dump and unicast to one application. The fact that a scan finished? Yes,
> > of course.
> 
> I'd like the results themselves..for instance, just piggyback on whatever
> supplicant is already doing to get periodic updates, and of course I'd
> end up requesting some scans myself from time to time if a user wanted
> an immediate update.
> 
> I was hoping it could be something like just listening for network-device
> and route updates like netlink already supports.
> 
> Since scanning is relatively slow and expensive, it seems like a good
> idea to allow re-using the results...

Well, umm.. you can just request the results? A la "iw wlan0 scan dump"?

johannes