[pox-dev] Modifying existing flows on a switch periodically

[Sadia Bashir]

Thank you Junaid Khalid and Murphy!

I just got this from pox.openflow.libopenflow_o1

ofp_flow_mod_command_rev_map = {
  'OFPFC_ADD'           : 0,
  'OFPFC_MODIFY'        : 1,
  'OFPFC_MODIFY_STRICT' : 2,
  'OFPFC_DELETE'        : 3,
  'OFPFC_DELETE_STRICT' : 4,
}


I am not getting clear how do I use it in flow-mods. Please refer me to
some example for it. Thank you for your guide and help. Thanks a lot!

sadia


On Mon, Dec 16, 2013 at 7:20 AM, Murphy McCauley
<murphy.mccauley at gmail.com>wrote:

> On Dec 14, 2013, at 1:56 PM, Sadia Bashir <11msccssbashir at seecs.edu.pk>
> wrote:
>
> > Hi,
> >
> > I want to modify queue_id in installed flows on a switch periodically by
> sending a flow_mod message from controller(i.e., controller-to-switch
> message) I tried it using this way on pox-controller:
> >
> > def _timer_func ():
> >     for connection in core.openflow._connections.values():
> >            connection.send(of.ofp_action_nw_tos(port = 1, queue_id = 2))
>
> This isn’t a flow-mod.  This is just an action!  Construct flow mods for
> the flows you want to change and include the new action.
>
> > def launch():
> >      from pox.lib.recoco import Timer
> >      Timer(4, _timer_func, recurring=True)
> >
> > Please tell me if there is a way to modify a value in already existing
> flow entries on the switch.
> >
> > Thanks in advance for any hint or help.
> > --
> > sadia
>
> Hope that helps.
>
> — Murphy




--
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.noxrepo.org/pipermail/pox-dev-noxrepo.org/attachments/20131216/b47b3ff7/attachment-0002.htm>