Re: [pysnmp-users] GETNEXT and maxRows

[Ilya E. <il...@gl...>]

Oh, that's a mess. :-(

I just put up the latest CVS code on  SF downloads. Let me know in case 
of any issues.

-ilya

On 02/12/2015 07:19 PM, Frédéric Perrin wrote:
> Le jeudi 12 à 16:51, Frédéric Perrin a écrit :
>> Hi Ilya,
>>
>> What Debian calls 4.2.5 is actually 4.2.5rc2.
> I'm getting confused somewhere... The file listed on the SF.net download
> page as pysnmp-4.2.5.tar.gz contains a CHANGES file whose first line is
> "Revision 4.2.5rc2", and the commit I list further down is not part of
> it.
>
> The file you linked to identifies itself as 4.2.6rc0, and lists that
> commit under "Revision 4.2.5".
>
>>                                                This means the Debian
>> version is missing the following commit:
>>
>> Mon Aug 18 07:21:17 2014 UTC (5 months, 3 weeks ago) by elie
>>
>> CommandGenerator.getNext() & .getBulk() methods now support the
>> maxCalls kwarg to limit the maximum number of request-response
>> iterations to perform
>>
>> http://pysnmp.cvs.sourceforge.net/viewvc/pysnmp/pysnmp/pysnmp/entity/rfc3413/oneliner/cmdgen.py?r1=1.96&r2=1.97
>>
>> (with this change, the size of varBindTotalTable is compared to maxRows
>> AFTER extending the table)
>>
>> Thanks Ilya, I think I need to take this with the Debian maintainer.
>>
>> Le jeudi 12 à 16:24, Ilya Etingof a écrit :
>>> Hi Frédéric,
>>>
>>> Just checked the latest (development) pysnmp operation: with maxRows=1
>>> it sends just one GETNEXT:
>>>
>>> http://pysnmp.cvs.sourceforge.net/viewvc/pysnmp/pysnmp/?view=tar
>>>
>>> ilya
>>>
>>> On 02/12/2015 06:14 PM, Frédéric Perrin wrote:
>>>> Hi list,
>>>>
>>>> It seems that nextCmd() always sends one request too many. IOW, with the
>>>> following:
>>>>
>>>>>>> print cmdgen.CommandGenerator().nextCmd(
>>>> ...     cmdgen.CommunityData("public"),
>>>> ...     cmdgen.UdpTransportTarget(("192.168.100.240", 161)),
>>>> ...     "1.3.6.1.2.1.1.4.0",
>>>> ...     lexicographicMode = True,
>>>> ...     maxRows = 1)
>>>> (None, Integer('noError'), Integer(0), [[(ObjectName(1.3.6.1.2.1.1.5.0),
>>>> OctetString('dut-1'))]])
>>>>
>>>> Wireshark shows two GETNEXT being sent (and responded to), even though
>>>> only the first response is returned to me. I was expecting only one
>>>> request to be sent, as per maxRows.
>>>>
>>>> Am I doing something wrong? Or is there an off-by-one somewhere in
>>>> pysnmp?
>>>>
>>>> I'm running with python-pysnmp4 4.2.5-1 on Debian Sid.
>>>>
>>>> Cheers,
>>>>