[Commotion-dev] Commotion-splash ready to roll

[Dan Staples]

We should connect as many devices as we can to test it out. Since we 
aren't using bandwidth limiting, it theoretically shouldn't provide 
much of a burden on the router to have a lot of clients.

On Wed 08 May 2013 12:48:51 PM EDT, Preston Rhea wrote:
> For field deployments we'll need to make sure nodogsplash can handle
> much more than 3 simultaneous leases. Let's test this on Friday. How
> many leases can we get on a node at once?
>
> On Wed, May 8, 2013 at 11:34 AM, Dan Staples
> <danstaples at opentechinstitute.org> wrote:
>> Glad to hear you've had success with nodogsplash. I'm actually not
>> using nodogsplash's bandwidth throttling, since it seems that it
>> doesn't work anymore on Attitude Adjustment. I'll do some more testing
>> today to see if there are any stability issues.
>>
>> On Wed 08 May 2013 11:13:58 AM EDT, Ben West wrote:
>>> Great work Dan!
>>>
>>> W/r/t to memory usage, do note that most any bandwidth throttling
>>> implementation, whether nodogsplash or the qos-scripts package, is
>>> ultimately using buckets to maintain the speed control on clients'
>>> sessions.  These buckets exist in memory, with faster bandwidth caps
>>> effectively being larger buckets that empty faster.
>>>
>>> So the effectiveness of the bandwidth throttling depends on the amount
>>> available memory, with insufficient memory causing observed clients'
>>> bandwidth to degrade.
>>>
>>> Still, I've generally had good success operating nodogsplash and
>>> coovachilli on nodes with 32MB RAM, and on average 2-3 simultaneous
>>> clients each with a 3Mbit/s cap.
>>>
>>> On Tue, May 7, 2013 at 8:09 PM, Dan Staples
>>> <danstaples at opentechinstitute.org
>>> <mailto:danstaples at opentechinstitute.org>> wrote:
>>>
>>>     Some background: the LuCI-splash captive portal software is buggy, and
>>>     has been causing instability for the DR1 testing release of
>>>     Commotion-OpenWRT. So I've set about replacing it with Nodogsplash
>>>     (http://kokoro.ucsd.edu/nodogsplash/ [thanks for the suggestion,
>>>     Ben!]),
>>>     and adding a LuCI configuration page for it and a custom Commotion
>>>     splash page. It's now ready for an initial component release and
>>>     further
>>>     testing.
>>>
>>>     I've tested a brand new DR1 Picostation image with
>>>     Commotion-splash, and
>>>     it works great. If anyone wants a demo (in person or virtual), I can
>>>     show you tomorrow or whenever. There was one issue that I saw
>>>     today, in
>>>     which nodogsplash reports using enormous amounts of memory ('VSZ') in
>>>     top, in fact sometimes more than 100% of the reported available
>>>     memory.
>>>     Yet, the node still appears to have around the same amount of free
>>>     memory as other DR1 nodes not running nodogsplash, and there have been
>>>     no stability issues. So it could be just a fluke. If it doesn't cause
>>>     problems, I'm not going to worry...
>>>
>>>     I transferred ownership of the commotion-splash repo to OTI, and
>>>     submitted pull requests for commotion-openwrt, luci-commotion, and
>>>     commotion-feed, if any other OTI folks can review those.
>>>
>>>     What's left is to come up with a solution for captive-portalling
>>>     when no
>>>     internet access is available (since nodogsplash can't
>>>     man-in-the-middles
>>>     HTTP requests when clients can't first resolve DNS queries). Josh King
>>>     and I talked today about the possibility of running a second
>>>     instance of
>>>     dnsmasq to man-in-the-middle DNS requests for preauthenticated users.
>>>     Hopefully that will work.
>>>
>>>     Anyway, good riddance to buggy luci-splash!
>>>
>>>     Dan
>>>
>>>     --
>>>     Dan Staples
>>>
>>>     Open Technology Institute
>>>     https://commotionwireless.net
>>>
>>>     _______________________________________________
>>>     Commotion-dev mailing list
>>>     Commotion-dev at lists.chambana.net
>>>     <mailto:Commotion-dev at lists.chambana.net>
>>>     https://lists.chambana.net/mailman/listinfo/commotion-dev
>>>
>>>
>>>
>>>
>>> --
>>> Ben West
>>> http://gowasabi.net
>>> ben at gowasabi.net <mailto:ben at gowasabi.net>
>>> 314-246-9434
>>
>> --
>> Dan Staples
>>
>> Open Technology Institute
>> https://commotionwireless.net
>> _______________________________________________
>> Commotion-dev mailing list
>> Commotion-dev at lists.chambana.net
>> https://lists.chambana.net/mailman/listinfo/commotion-dev
>
>
>

--
Dan Staples

Open Technology Institute
https://commotionwireless.net