YAMAMOTO Takashi <yamamoto@...> writes:
>
> i guess you edited a wrong copy of the module.
> please check your python module loading path.
>
> YAMAMOTO Takashi
>
> > Hi Yamamoto,
> >
> > Thank you, yes it works now but when I edited in the original file, I
couldn't see the print statement that I
> have added.
> >
> > Best,
> > Talal
> >
> > On Mar 24, 2015, at 1:55 PM, YAMAMOTO Takashi <yamamoto@...> wrote:
> >
> >>> Dear Ryu Expert,
> >>>
> >>> I have tried switch.py module and I have faced the following problem:
> >>>
> >>> root <at> mininet-vm:~/ryu# ./bin/ryu-manager --verbose
ryu/topology/switches
> >>> loading app ryu/topology/switches
> >>> Traceback (most recent call last):
> >>> File "./bin/ryu-manager", line 19, in <module>
> >>> main()
> >>> File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py",
line 78, in main
> >>> app_mgr.load_apps(app_lists)
> >>> File
"/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 385,
in load_apps
> >>> cls = self.load_app(app_cls_name)
> >>> File
"/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 361,
in load_app
> >>> mod = utils.import_module(name)
> >>> File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 91,
in import_module
> >>> __import__(name)
> >>> File "/home/mininet/ryu/ryu/topology/switches.py", line 53, in <module>
> >>> help='link discovery: explicitly drop lldp packet in')
> >>> File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1579, in __inner
> >>> result = f(self, *args, **kwargs)
> >>> File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1739, in register_cli_opts
> >>> self.register_cli_opt(opt, group, clear_cache=False)
> >>> File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1583, in __inner
> >>> return f(self, *args, **kwargs)
> >>> File "/usr/lib/python2.7/dist-packages/oslo/config/cfg.py", line
1731, in register_cli_opt
> >>> raise ArgsAlreadyParsedError("cannot register CLI option")
> >>> oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed:
cannot register CLI option
> >>> root <at> mininet-vm:~/ryu#
> >>>
> >>> Even I have tried to run the command like:
> >>>
> >>> 1- ./bin/ryu-manager --verbose ryu/topology/switches.py
> >>
> >> try the following instead:
> >> ./bin/ryu-manager --verbose ryu.topology.switches
> >>
> >> YAMAMOTO Takashi
> >>
> >>>
> >>> But all gave an error, but with other modules, work fine.
> >>> Any suggestion ?
> >>>
> >>> Thank you!
> >>> Talal
>
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sudo mn --switch user --controller remote --mac --topo linear,4
When I try $ ryu-manager ryu/topology/switches.py --observe-links
I get the CLI error.
Then, when I try ryu-manager ryu.topology.switches --observe-links or
ryu-manager ryu.topology.dumper --observe-links
I get:
loading app ryu.topology.dumper
loading app ryu.controller.ofp_handler
instantiating app None of Switches
creating context switches
instantiating app ryu.topology.dumper of DiscoveryEventDumper
instantiating app ryu.controller.ofp_handler of OFPHandler
/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py:478:
UserWarning: Datapath#ports is kept for compatibility with the previous
openflow versions (< 1.3). This not be updated by EventOFPPortStatus
message. If you want to be updated, you can use 'ryu.controller.dpset' or
'ryu.topology.switches'.
for port in dp.ports.values():
it seems the message comes from
def _get_ports(self):
if (self.ofproto_parser is not None and
self.ofproto_parser.ofproto.OFP_VERSION >= 0x04):
message = (
'Datapath#ports is kept for compatibility with the previous '
'openflow versions (< 1.3). '
'This not be updated by EventOFPPortStatus message. '
'If you want to be updated, you can use '
'\'ryu.controller.dpset\' or \'ryu.topology.switches\'.'
)
warnings.warn(message, stacklevel=2)
return self._ports
in https://github.com/osrg/ryu/blob/master/ryu/controller/controller.py
Any suggestion on how to manage it?
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