[Nfd-dev] How to see data retrieve / download time using "ndngetfile" command?
Md Toufiqul Islam
toufiqulislam.bd at gmail.com
Thu Jan 12 04:06:01 PST 2017
Hi Klaus,
Thanks for your guideline. I have done exactly how you have explained. But
still no sign of showing the "Time used". Am I doing anything wrong?
*# ndnputchunks -p -v /abc < /home/remoteserver/Downloads/rony.txt*
Loading input ...
Created 1 chunks for prefix /abc
%FD%00%00%01Y%92%7F%7F%60
Data published with name: /abc/%FD%00%00%01Y%92%7F%7F%60
*# ndncatchunks -v -t aimd -S /abc*
RttEstimator initial parameters:
Alpha = 0.125
Beta = 0.25
K = 4
Initial RTO = 1000 milliseconds
Min RTO = 200 milliseconds
Max RTO = 4000 milliseconds
Pipeline basic parameters:
Max retries on timeout or Nack = 3
Interest life time = 4000 milliseconds
Allow stale content
Verbose output enabled
Print summary to std err enabled
PipelineInterestsAimd initial parameters:
Initial congestion window size = 1
Initial slow start threshold = 2.14748e+09
Multiplicative decrease factor = 0.5
Additive increase step = 1
RTO check interval = 10 milliseconds
Max retries on timeout or Nack = 3
Conservative Window Adaptation enabled
Resetting cwnd to ssthresh when loss event occurs
Data: Name: /abc/%FD%00%00%01Y%92%7F%7F%60/%00%00
MetaInfo: ContentType: 0, FreshnessPeriod: 10000 milliseconds,
FinalBlockId: %00%00
Content: (size: 13)
Signature: (type: 1, value_length: 256)
Discovered version = 1484221546336
Timeout for Interest
/abc?ndn.MinSuffixComponents=3&ndn.MaxSuffixComponents=3&ndn.ChildSelector=1&ndn.Nonce=573151652&ndn.Exclude=*,%FD%00%00%01Y%92%7F%7F%60
Timeout for Interest
/abc?ndn.MinSuffixComponents=3&ndn.MaxSuffixComponents=3&ndn.ChildSelector=1&ndn.Nonce=2787869428&ndn.Exclude=*,%FD%00%00%01Y%92%7F%7F%60
Found data with the latest version: 1484221546336
Hi i am rony
*# ndncatchunks -v -t fixed -S /abc*Data: Name:
/abc/%FD%00%00%01Y%92%7F%7F%60/%00%00
MetaInfo: ContentType: 0, FreshnessPeriod: 10000 milliseconds,
FinalBlockId: %00%00
Content: (size: 13)
Signature: (type: 1, value_length: 256)
Discovered version = 1484221546336
Timeout for Interest
/abc?ndn.MinSuffixComponents=3&ndn.MaxSuffixComponents=3&ndn.ChildSelector=1&ndn.Nonce=3287183225&ndn.Exclude=*,%FD%00%00%01Y%92%7F%7F%60
Timeout for Interest
/abc?ndn.MinSuffixComponents=3&ndn.MaxSuffixComponents=3&ndn.ChildSelector=1&ndn.Nonce=252627901&ndn.Exclude=*,%FD%00%00%01Y%92%7F%7F%60
Found data with the latest version: 1484221546336
Hi i am rony
Best regards
Muhammad
On Thu, Jan 12, 2017 at 5:38 AM, Klaus Schneider <klaus at cs.arizona.edu>
wrote:
> You can get all the files with:
>
> # git clone https://gerrit.named-data.net/ndn-tools
> # cd ndn-tools/
> # git fetch https://gerrit.named-data.net/ndn-tools
> refs/changes/32/3432/4 && git checkout FETCH_HEAD
>
> Then look in the folder "ndn-tools/tools/chunks/catchunks"
>
> Moreover, you can find them on gerrit. For example:
> https://gerrit.named-data.net/#/c/3432/4/tools/chunks/catchu
> nks/pipeline-interests-fixed-window.cpp
>
> Best regards,
> Klaus
>
> On 01/11/2017 07:04 PM, Md Toufiqul Islam wrote:
>
>> Dear Klaus,
>>
>> Thank you once again for your great help. This is exactly what I need.
>> But as I have very bad programming experience, I couldn't able to
>> configure it properly. Is is possible or permissible to ask you for the
>> modified cpp & hpp file so that I can just replace with my old files?
>>
>> regards
>> Muhammad
>>
>> On Wed, Jan 11, 2017 at 11:20 PM, Niv Sardi <xaiki at endlessm.com
>> <mailto:xaiki at endlessm.com>> wrote:
>>
>> Hello,
>> you can check out our chunks implementation (a little different from
>> the NDN cat/put chunks one) that implements a GObject layer for
>> progress/complete signal if that's usefull for you:
>> https://github.com/endlessm/endless-ndn/blob/master/eos_data
>> _distribution/ndn/chunks.py
>> <https://github.com/endlessm/endless-ndn/blob/master/eos_dat
>> a_distribution/ndn/chunks.py>
>>
>> On Wed, Jan 11, 2017 at 6:14 PM, Klaus Schneider
>> <klaus at cs.arizona.edu <mailto:klaus at cs.arizona.edu>> wrote:
>>
>> We are currently updating the ndncatchunks code:
>> https://gerrit.named-data.net/#/c/3432/
>> <https://gerrit.named-data.net/#/c/3432/>
>>
>> you can check the code out via "git fetch
>> https://gerrit.named-data.net/ndn-tools
>> <https://gerrit.named-data.net/ndn-tools> refs/changes/32/3432/4
>> && git checkout FETCH_HEAD"
>>
>> It contains a function printSummary() which might be what you
>> want:
>>
>> void
>> PipelineInterestsFixedWindow::printSummary() const
>> {
>> time::steady_clock::duration dur =
>> time::steady_clock::now() - m_startTime;
>> double timePassed = static_cast<double>(dur.count()) /
>> 1000000; // in ms
>> double throughput = (8 * m_receivedSize * 1000) /
>> timePassed;
>> std::string throughputUnit;
>>
>> computeThroughput(throughput, throughputUnit);
>>
>> std::cerr << "\nAll segments have been received.\n"
>> << "Total # of segments received: " <<
>> m_nReceived << "\n"
>> << "Time used: " << timePassed << " ms" << "\n"
>> << "Goodput: " << throughput << " " <<
>> throughputUnit << "\n";
>> }
>>
>>
>> Best regards,
>> Klaus
>>
>> On 01/11/2017 01:49 PM, Md Toufiqul Islam wrote:
>>
>> Dear Klaus,
>>
>> Thank you so much for your reply. File transfer / retrieval
>> is not the
>> problem. Problem is retrieval time (millisecond).
>>
>> I have already tried ndncatchunks / ndnputchunks. But these
>> doesn't
>> provide me any information about download time / retrieval
>> time of the
>> contents either. Is there any other idea ?
>>
>>
>> Best regards
>> Muhammad
>>
>>
>> On Wed, Jan 11, 2017 at 7:17 PM, Klaus Schneider
>> <klaus at cs.arizona.edu <mailto:klaus at cs.arizona.edu>
>> <mailto:klaus at cs.arizona.edu <mailto:klaus at cs.arizona.edu>>>
>>
>> wrote:
>>
>> Hi Muhammad,
>>
>> you might want to use ndncatchunks/ndnputchunks from
>> https://github.com/named-data/ndn-tools
>> <https://github.com/named-data/ndn-tools>
>> <https://github.com/named-data/ndn-tools
>> <https://github.com/named-data/ndn-tools>>
>>
>> Best regards,
>> Klaus
>>
>>
>> On 01/11/2017 10:49 AM, Md Toufiqul Islam wrote:
>>
>> Hello Everyone,
>>
>> I hope all of you are doing great. I have a very
>> small question
>> which I
>> couldn't find any solution yet. I believe this is
>> the right
>> place to ask
>> about.
>>
>> I have installed nfd, ndn-cxx and Repo-ng on two of
>> computers
>> willing to
>> insert & retrieve data to & from data repository. I
>> have done this
>> successfully using ndnputfile & ndngetfile command.
>> But after
>> retrieving any data using "ndngetfile" command, it
>> doesn't show
>> me any
>> message regarding how much time it needed to fetch
>> the required data
>> from the repository. Can anyone help me regarding
>> that? How can
>> I see
>> the download time?
>>
>> Here is an example. When I retrieve a file from one
>> computer to
>> other,
>> ndngetfile shows the following message:
>>
>> ndngetfile /example/data/1/test.txt
>>
>>
>> INFO: End of file is reached.
>> INFO: Total # of segments received: 188
>> INFO: Total # bytes of content received: 187537
>>
>> On the above, there are no information about
>> retrieve/download
>> time of
>> the received data. How can I see retrieve/download
>> time? I will
>> be glad
>> to have valuable reply from yours.
>>
>> With regards
>> Muhammad Toufiqul
>>
>>
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