Thank you.
On Wed, Jan 11, 2017 at 7:49 PM, Iwase Yusuke <[email protected]>
wrote:
> Hi,
>
>
> On 2017年01月12日 03:39, Garegin Grigoryan wrote:
> > No, the opposite. When switch connects to the controller, the controller
> gets the event message with some information, including datapath ID.
> > Let's say switch will *send *say not only his datapath id but also its
> model name.
> > So the question is how can I modify the event message structure.
>
> First, EventDP is defined at:
> https://github.com/osrg/ryu/blob/master/ryu/controller/dpset.py#L46
> then, created and sent to applications at:
> https://github.com/osrg/ryu/blob/master/ryu/controller/
> dpset.py#L199-L205
>
> If you want to add field into EventDP, please refer to the above.
>
>
> OTOH, I think whether you can get those parameter via EventDP is
> depending on which parameter you want.
> If you mean the information contained in the multipart messages
> , dp_desc in OFPMP_DESC message for example, you need to send
> OFPDescStatsRequest message.
> (Ryu does not maintain these information, because these might be
> change when reconnecting to switches and complicated to maintain.)
> http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html#
> ryu.ofproto.ofproto_v1_3_parser.OFPDescStatsRequest
>
>
> Thanks,
> Iwase
>
> >
> > Thanks.
> >
> > On Wed, Jan 11, 2017 at 1:34 PM, Garegin Grigoryan <[email protected]
> <mailto:[email protected]>> wrote:
> >
> >
> > "some other parameters" mean parameters (modules, classes, static
> definitions or else)
> > to send messages to switches, right?
> > ----
> >
> > No, the opposite. When switch connects to the controller, the
> controller gets the event message with some information, including datapath
> ID.
> > Let's say switch will say not only his datapath id but also its
> model name.
> > So the question is how can I modify the event message structure.
> >
> > Thanks.
> >
> >
> > On Tue, Jan 10, 2017 at 8:26 PM, Iwase Yusuke <
> [email protected] <mailto:[email protected]>> wrote:
> >
> > Hi,
> >
> >
> > On 2017年01月08日 03:25, Garegin Grigoryan wrote:
> > > Good afternoon and Happy New Year!
> > >
> > > I'm using RYU controller. When the OVS switch connects to the
> controller, the controller gets a "switch enter" event message.
> > >
> > > I'm handling it with this function
> > >
> > > |@set_ev_cls(dpset.EventDP, dpset.DPSET_EV_DISPATCHER) def
> _event_switch_enter_handler(self, ev): dp = ev.dp dpid = dp.id <
> http://dp.id> <http://dp.id> ....... |
> > >
> > > Using this event I can get the switch ID (first two lines of
> the function). But what if I want a switch to send some other parameters?
> How can I modify the OVS switch event message and how can I read it on the
> controller?
> >
> > "some other parameters" mean parameters (modules, classes,
> static definitions or else)
> > to send messages to switches, right?
> >
> > You have already got "dp", which is an instance of Datapath,
> then you can send messages
> > like:
> > ofp = dp.ofproto
> > ofp_parser = dp.ofproto_parser
> > ...
> > req = ofp_parser.OFPFlowMod(dp, ...)
> > ...
> > dp.send_msg(req)
> >
> > For more details, please refer to the Ryu Documentation.
> > http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html <
> http://ryu.readthedocs.io/en/latest/ofproto_v1_3_ref.html>
> > Note: "datapath" instance on this document is corresponding to
> "dp" instance in your code.
> >
> > Thanks,
> > Iwase
> >
> > >
> > > Thanks a lot.
> > >
> > >
> > >
> > > --
> > > Sincerely,
> > > Garegin Grigoryan
> > >
> > >
> > > ------------------------------------------------------------
> ------------------
> > > Check out the vibrant tech community on one of the world's most
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> > >
> > >
> > >
> > > _______________________________________________
> > > Ryu-devel mailing list
> > > [email protected] <mailto:Ryu-devel@lists.
> sourceforge.net>
> > > https://lists.sourceforge.net/lists/listinfo/ryu-devel <
> https://lists.sourceforge.net/lists/listinfo/ryu-devel>
> > >
> >
> >
> >
> >
> > --
> > Sincerely,
> > Garegin Grigoryan
> >
> >
> >
> >
> > --
> > Sincerely,
> > Garegin Grigoryan
> >
> >
> > ------------------------------------------------------------
> ------------------
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>
--
Sincerely,
Garegin Grigoryan
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