[pox-dev] Requesting port statistics (problem with connection)

[Murphy McCauley]

All right, yeah, openflow.topology was majorly broken.  It should be in somewhat better shape now.

(I never use it -- it's due for a major overhaul.)

-- Murphy

On Oct 6, 2012, at 7:03 AM, Murphy McCauley wrote:

> That method was renamed to listen_to_dependencies().  I think it's in there twice.  Does renaming it fix everything?
> 
> You'll also need to run openflow.discovery if you want topology discovery, BTW.
> 
> -- Murphy
> 
> On Oct 6, 2012, at 5:49 AM, Tmusic wrote:
> 
>> Hi,
>> 
>> Thanks!
>> I'm indeed running python 32bit in a VM.
>> Betta can run now, but topology discovery is not working.
>> When running the topology and openflow.topology components, I get following error:
>> 
>> Traceback (most recent call last):
>>   File "/home/openflow/pox_workspace/OFcontroller/pox/boot.py", line 447, in boot
>>     if _do_launch(argv):
>>   File "/home/openflow/pox_workspace/OFcontroller/pox/boot.py", line 187, in _do_launch
>>     f(**params)
>>   File "/home/openflow/pox_workspace/OFcontroller/pox/openflow/topology.py", line 316, in launch
>>     core.register("openflow_topology", OpenFlowTopology())
>>   File "/home/openflow/pox_workspace/OFcontroller/pox/openflow/topology.py", line 66, in __init__
>>     if not core.listenToDependencies(self, self._wantComponents):
>>   File "/home/openflow/pox_workspace/OFcontroller/pox/core.py", line 481, in __getattr__
>>     raise AttributeError("'%s' not registered" % (name,))
>> AttributeError: 'listenToDependencies' not registered
>> 
>> Topology seems to be ok, but PyDev indicates an unresolved import in openflow.topology (xid_generator).
>> 
>> Any ideas?
>> 
>> Thanks,
>> 
>> Tim
>> 
>> 
>> 2012/10/5 Murphy McCauley <murphy.mccauley at gmail.com>
>> On Oct 5, 2012, at 1:34 PM, Murphy McCauley wrote:
>> >> Betta (0ca0a8b5b5726195aa2c69337af98a146308dab9) always gives following error (no matter which components are loaded):
>> > ...
>> >>  File "/home/openflow/temp_repo/poxrefbetta/pox/openflow/libopenflow_01.py", line 51, in xid_generator
>> >>    return chain.from_iterable(repeat(xrange(start,stop+1))).next
>> >> OverflowError: Python int too large to convert to C long
>> >
>> > Oh, weird.  I guess you're running a 32 bit Python?  Try knocking the +1 off the second arg to xrange and seeing if that fixes it.
>> 
>> Yeah, I confirmed this was a 32 bit issue.  I've pushed a fix.  Thanks for the report.
>> 
>> -- Murphy
>> 
> 

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