[ndnSIM] ndnAppDelayTracer

[Sirapop Theeranantachai]

Then, you may need to check if the data packet actually arrives.

> If that's the case, I suspect that the delay tracer is unable to either 1)
> attach to the installed application due or 2) the data doesn't arrive at
> the original interest sender. Could you check if the Data packet actually
> arrives at the Interest sender?


On Fri, May 31, 2024 at 4:04 AM Salwa Abdelwahed <salwa201067 at gmail.com>
wrote:

> No Sirapop,
> ndn-consumer.cpp , contains all the trace sources.
>
> Le ven. 31 mai 2024 à 01:07, Sirapop Theeranantachai <sirapop741 at gmail.com>
> a écrit :
>
>> Hi, Salwa
>>
>> DelayTracer records the delay when the Application installed in a node
>> receives the Data it requests.
>> If that's the case, I suspect that the delay tracer is unable to either
>> 1) attach to the installed application due or 2) the data doesn't arrive at
>> the original interest sender. Could you check if the Data packet actually
>> arrives at the Interest sender?
>>
>> If the data already arrives at the node, the consumer application should
>> have the following lines to inform the tracer.
>>
>>
>> https://github.com/named-data-ndnSIM/ndnSIM/blob/90d50396654dabad54b6979f2dc8fa929ade544c/apps/ndn-consumer.cpp#L68C1-L76C77
>>
>> I'm not familiar with VNDN, but it is possible that the Consumer you are
>> currently using does not contain
>>
>>>       .AddTraceSource("LastRetransmittedInterestDataDelay",
>>>                       "Delay between last retransmitted Interest and
>>> received Data",
>>>
>>> MakeTraceSourceAccessor(&Consumer::m_lastRetransmittedInterestDataDelay),
>>>
>>> "ns3::ndn::Consumer::LastRetransmittedInterestDataDelayCallback")
>>>
>>>       .AddTraceSource("FirstInterestDataDelay",
>>>                       "Delay between first transmitted Interest and
>>> received Data",
>>>
>>> MakeTraceSourceAccessor(&Consumer::m_firstInterestDataDelay),
>>>
>>> "ns3::ndn::Consumer::FirstInterestDataDelayCallback");
>>
>>
>> Hope this helps.
>>
>> On Thu, May 30, 2024, 12:16 PM Salwa Abdelwahed <salwa201067 at gmail.com>
>> wrote:
>>
>>> Hi Sirapop ,
>>> Thanks for response.
>>>
>>> I'm simulating a VNDN scenario.
>>> I used other app tracers , it's functional.
>>> But the problem is with the delay tracer, even if i use à simple ndn
>>> scenario.
>>>
>>>
>>>
>>> Le jeu. 30 mai 2024, 20:13, Salwa Abdelwahed <salwa201067 at gmail.com> a
>>> écrit :
>>>
>>>> Hi Sirapop ,
>>>> Thanks for response.
>>>> I'm simulating a VNDN scenario.
>>>> I used other app tracers , it's functional.
>>>> But the problem is with the delay tracer .
>>>>
>>>> Le jeu. 30 mai 2024, 18:32, Sirapop Theeranantachai <
>>>> sirapop741 at gmail.com> a écrit :
>>>>
>>>>> Hi,
>>>>> Could you please kindly provide a bit more information about the
>>>>> scenario you are running? You should be able to see the delays in the txt
>>>>> file if the consumer receives the data. Maybe add ndn.Consumer to NS_LOG to
>>>>> see whether the data arrives?
>>>>> Thank you.
>>>>>
>>>>> On Thu, May 30, 2024, 9:08 AM Salwa Abdelwahed via ndnSIM <
>>>>> ndnsim at lists.cs.ucla.edu> wrote:
>>>>>
>>>>>> Hi all ,
>>>>>>
>>>>>> I'm trying an ndnSIM simulation example with: AppDelayTracer
>>>>>> I get an empty .txt file .
>>>>>> I don't know if there are other things to add to get results .
>>>>>>
>>>>>> Thanks
>>>>>> _______________________________________________
>>>>>> ndnSIM mailing list
>>>>>> ndnSIM at lists.cs.ucla.edu
>>>>>> https://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim
>>>>>>
>>>>>
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