[ovs-discuss] change ovs source code

[Ben Pfaff]

Please don't drop the mailing list.

I don't know much about mininet or even what controller you mean, so
you'll have to get help from someone else.

On Sat, Jul 02, 2016 at 11:19:55AM +0430, Mehrshad Shahmohammadi wrote:
> Dear Ben
> 
> i found this code for send ofp_flow_stats request to switch. is it right?
> can you help me how write this code in controller?
> can i put this code in forwarding_l2.learning file in mininet?
> 
>  msg = of.ofp_packet_out()              # Create packet out message
>         msg.buffer_id = event.ofp.buffer_id    # Use the incoming
> packet as the data for the packet out
>         msg.in_port = packet_in.in_port        # Set the in_port so
> that the switch knows
>         msg.match = of.ofp_match.from_packet(packet)
> 
>         # Add an action to send to the specified port
>         action = of.ofp_action_output(port = of.OFPP_FLOOD)
>         msg.actions.append(action)
> 
>         # Send message to switch
>         self.connection.send(msg)
> 
> Thank you
> 
> 
> On Sat, Jul 2, 2016 at 5:11 AM, Ben Pfaff <blp at ovn.org> wrote:
> 
> > On Tue, Jun 28, 2016 at 10:42:38AM +0430, Mehrshad Shahmohammadi wrote:
> > > i want to send (ofp_flow_stats) packet to controller every 5 second.
> > >
> > > i want to change source code of ovs .
> > >
> > > i don't know where is this packet in the source code of ovs?
> >
> > Instead of changing OVS, it's probably easier to have the controller
> > send an ofp_flow_stats request every 5 seconds.
> >