Hi
On 2014年08月04日 23:51, Sujit Pandey wrote:
> Hello,
> I am sujit Pandey intern at orange lab. I am doing MPLS implementation and I
> am using ryu conroller. I have few question regarding the switch
> configuration:
> I am using the simple_switch13_stp.py and switches.py from topology.
> I cannot load these two file in my another apps. Because they are using
> _context. my question is how to inherit a class that has context. for example
> when I inherit a class simple_switch13_stp to some app containing -context
> switch I got an error.
>
> from ryu.base import app_manager
> import os
> from ryu.simple_switch13_stp import SimpleSwitch13
> from ryu.controller import ofp_event
> from ryu.controller.handler import MAIN_DISPATCHER
> from ryu.controller.handler import CONFIG_DISPATCHER
> from ryu.controller.handler import set_ev_cls
> from ryu.topology.switches import Switches,PortDataState,LinkState
> #from ryu.topology.api import get_switch, get_link
> from ryu.lib import stplib
> from ryu.lib.packet import packet
> from ryu.lib.packet import ethernet
> from ryu.topology.api import get_switch, get_link
>
>
>
>
> class topotester(SimpleSwitch13):
> _CONTEXT='switches': switches.Switches
>
_CONTEXT is "dictionary" Object.
If you wants to add "switches.Switches" class to _CONTEXT,
how about this?
-----
class topotester(SimpleSwitch13):
_CONTEXTS = {'stplib': stplib.Stp,
'switches': Switches}
-----
>
> def __init__(self, *args, **kwargs):
> #super(topotester, self).__init__(*args, **kwargs)
> super(topotester, self).__init__(*args, **kwargs)
> and got an error
> self.stp = kwargs['stplib']
> KeyError: 'stplib'
> where simple_switch13_stp.py has another context like
>
> class SimpleSwitch13(app_manager.RyuApp):
> OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]
>
> _CONTEXTS = {'stplib': stplib.Stp}
>
> please give me some idea.
> --
> Best regards
>
> Sujit Pandey
>
>
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