Hi everyone,
I have find what I’m doing wrong. The problem is with the custom topo that I’ve
been using to test my app, that is not well made.
I’ve tried with one mininet default topo and works fine.
Hope this e-mail helps someone!
Julián
El 04/03/2014, a las 17:44, Julián Merino Fresno <[email protected]>
escribió:
> Hi all,
>
>
> I’m working in a app that gives me the topology of the network. I’ve been
> reading about how to use events and I wrote a very simple app, based on
> simple_switch.py with few additional lines:
>
> from ryu.topology import switches, event
> from ryu.controller import dpset
> from ryu.base import app_manager
> from ryu.controller import mac_to_port
> from ryu.controller import ofp_event
> from ryu.controller.handler import MAIN_DISPATCHER
> from ryu.controller.handler import set_ev_cls
> from ryu.ofproto import ofproto_v1_0
> from ryu.lib.mac import haddr_to_bin
> from ryu.lib.packet import packet
> from ryu.lib.packet import ethernet
>
>
> class SimpleSwitch(app_manager.RyuApp):
> OFP_VERSIONS = [ofproto_v1_0.OFP_VERSION]
> __CONTEXTS = {'switches': switches.Switches, 'dpset': dpset.DPSet }
>
>
> @set_ev_cls(event.EventLinkAdd, MAIN_DISPATCHER)
> def switch_enter_handler(self, ev):
> print("Swtich added")
>
>
> The other lines of code are exactly the same as in simple_switch.py.
>
> My problem is it seems that EventLinkAdd isn’t happening.
>
> I’m working with a very simple custom topology with 1 switch and 2 hosts.
>
> I run my app with the following command:
>
> sudo PYTHONPATH=. ./bin/ryu-manager --verbose ryu/app/my_simple_switch.py
>
>
> Can anyone help me?
>
> I’ve looking for info, and I don’t find anything that helps me.
>
> Thanks!!!
> Regards,
>
> Julián
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