[ovs-discuss] Questions about creating new controller request and switching reply

Ben Pfaff blp at ovn.org
Mon Apr 16 18:52:13 UTC 2018


Please don't drop the mailing list.

OVS is multithreaded.  It does handle multiple requests at a time.

On Tue, Apr 17, 2018 at 02:45:43AM +0800, 林志仁 wrote:
> Thanks for your feedback. Yes, i want to create  flow entry statistics
> triggers.
> 
> In "ofproto.c", " ofproto set threads()" means that ovs can handle multiple
> requests at the same time?
> 
> 
> 
> 2018-04-17 2:16 GMT+08:00 Ben Pfaff <blp at ovn.org>:
> 
> > On Tue, Apr 17, 2018 at 01:53:15AM +0800, 林志仁 wrote:
> > > I want to create a request. When the switch receives this request, it
> > will
> > > continuously monitor the flow table until the flow table has an
> > exception.
> > > For example, one flow has a large number of packets count in few seconds,
> > > then switch will send reply to controller.
> >
> > OpenFlow 1.5 defines flow entry statistics triggers that might allow you
> > to get what you want.  Open vSwitch does not yet support statistics
> > triggers, but I am sure that we would accept a reasonable
> > implementation.
> >
> > > In the monitoring time, switch can also handle other controller request?,
> > > like flow status request or port status request
> >
> > That sounds like a quality of implementation issue.
> >


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