[Nfd-dev] How to see data retrieve / download time using "ndngetfile" command?
Klaus Schneider
klaus at cs.arizona.EDU
Wed Jan 11 20:38:50 PST 2017
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/catchunks/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_data_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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