[ndnSIM] [EXT] Issue with writing custom nametree

Fri Oct 9 01:50:58 PDT 2020

Hi Swetha

You missed step 9.

Yours, Junxiao

On Fri, Oct 9, 2020, 04:42 Swetha B via ndnSIM <ndnsim at lists.cs.ucla.edu>
wrote:

> *External Email*
> Hi Junxiao,
> As per your suggestion I created SSH public keys and could proceed
> further.  While cloning the NFD repository, i got following message
>
> swetha at swetha-Ubuntu:~$ git clone "ssh://
> swetha_rnsit at gerrit.named-data.net:29418/NFD" && scp -p -P 29418
> swetha_rnsit at gerrit.named-data.net:hooks/commit-msg "NFD/.git/hooks/"
> Cloning into 'NFD'...
> The authenticity of host '[gerrit.named-data.net]:29418
> ([104.154.51.235]:29418)' can't be established.
> ECDSA key fingerprint is
> SHA256:Wcd2ZLM6D9+lbHPwQILvrbcPsH9wNoqc3WIrTgS0Sh4.
> Are you sure you want to continue connecting (yes/no)? y
> Please type 'yes' or 'no': yes
> Warning: Permanently added '[gerrit.named-data.net]:29418,[104.154.51.235]:29418'
> (ECDSA) to the list of known hosts.
> swetha_rnsit at gerrit.named-data.net: Permission denied (publickey).
> fatal: Could not read from remote repository.
>
> Please make sure you have the correct access rights
> and the repository exists.
>
> Do i have to make any other settings before cloning the NFD repository.
> Thank you
>
> Regards
> Swetha
>
>
>
> On Thu, Oct 8, 2020 at 3:59 PM Junxiao Shi <shijunxiao at email.arizona.edu>
> wrote:
>
>> Hi Swetha
>>
>> You missed step 6 or step 7.
>>
>> Yours, Junxiao
>>
>>
>> On Thu, Oct 8, 2020, 05:05 Swetha B <swetab26 at gmail.com> wrote:
>>
>>> *External Email*
>>> Hi junxiao Shi,
>>> I have problem with cloning NFD repository.
>>> I followed your previous email
>>>
>>> Dear folks
>>>
>>> I got question on how to clone the NFD repository for development purpose.
>>> Here's the updated procedure: (Thanks Teng Liang for reporting a problem in
>>> the procedure sent on Mar 28)
>>>
>>>    1. in a web browser, navigate to http://gerrit.named-data.net
>>>    2. click "Sign In" link on top-right corner, click "Google OAuth2"
>>>    3. authenticate with your Google Account, and then you will be
>>>    redirected back to Gerrit system
>>>    4. click your name on top-right corner, and click "Settings" in the
>>>    pop-up box
>>>    5. look for a "Username" textbox; if there's no such textbox, but a
>>>    username is displayed, goto step 7
>>>    6. in the "Username" textbox, type a username (syntax: a letter,
>>>    followed by letters or numbers), and click "Select" button, confirm
>>>    7. click "SSH Public Keys" menu item on left navigation bar
>>>    8. look for multi-line textbox below "Add SSH Public Key"; if there's no
>>>    such textbox, but a table is displayed, goto step 10
>>>    9. paste your SSH public key, and click "Add" button
>>>    10. click "Projects - List" menu item on top navigation bar
>>>    11. type "NFD" in "Filter" textbox
>>>    12. click "NFD" table row
>>>    13. under "Project NFD" title, click "clone with commit-msg hook" and
>>>    "SSH" buttons
>>>    14. find the textbox below "clone with commit-msg hook" (it should start
>>>    with "git clone ssh:/")
>>>    15. the contents in this textbox is the complete command line needed to
>>>    clone the NFD repository
>>>
>>>
>>> But i didnt find "clone with commit-msg hook" and "SSH" buttons. In
>>> place of that i found git clone "https://gerrit.named-data.net/NFD"..
>>> Can u guide me how to proceed further.
>>>
>>> Regards
>>> Swetha
>>>
>>> On Wed, Oct 7, 2020 at 4:41 PM Swetha B <swetab26 at gmail.com> wrote:
>>>
>>>> Thanks a lot for your valuable inputs.
>>>> Swetha B
>>>>
>>>> On Mon, Oct 5, 2020 at 9:42 AM Junxiao Shi <
>>>> shijunxiao at email.arizona.edu> wrote:
>>>>
>>>>> Hi Swetha
>>>>>
>>>>> This means your changes are breaking the NameTree API needed by FIB.
>>>>>
>>>>> 1. Separately clone the NFD repository.
>>>>> 2. Checkout the NFD version used in your version of ndnSIM.
>>>>> 3. Apply your modifications there.
>>>>> 4. Ensure all unit tests are passing. If not, find out what's wrong in
>>>>> your changes.
>>>>> 5. Now reapply the changes to ndnSIM, and the FIB will likely work.
>>>>>
>>>>> Yours, Junxiao
>>>>>
>>>>> On Mon, Oct 5, 2020 at 00:01 Swetha B via ndnSIM <
>>>>> ndnsim at lists.cs.ucla.edu> wrote:
>>>>>
>>>>>> *External Email*
>>>>>> Hi all,
>>>>>> I am implementing NDN tables indexing using closed hashing with
>>>>>> linear probing in ndnSIM2.7.
>>>>>> To achieve that I modified name-tree-hashtable.cpp and
>>>>>> name-tree-iterator.cpp.
>>>>>> After modifications i am able to successfully run producer consumer
>>>>>> applications.
>>>>>> In my custom scenario i am accessing FIB table of a node to insert a
>>>>>> prefix and later execute consumer producer applications using that prefix.
>>>>>>
>>>>>> auto& fib1 =
>>>>>> node1->GetObject<ndn::L3Protocol>()->getForwarder()->getFib();
>>>>>>   auto e = fib1.insert(prefix).first;
>>>>>>   ndn::FibHelper::AddRoute(node1,prefix,node4,1);
>>>>>>
>>>>>> When i execute this scenario i see that visualizer is'nt working and
>>>>>> also the regular setup FIB tables on nodes is'nt taking place. I have
>>>>>> shared a snapshot of execution.
>>>>>>
>>>>>> swetha at swetha-Ubuntu:~/Desktop/ndnSIM/ndnSIM-sample-topologies$
>>>>>> NS_LOG="ndn-cxx.nfd.NameTreeHashtable:ndn.FibHelper:ndn.L3Protocol" ./waf
>>>>>> --run=ndn-simple --vis
>>>>>> Waf: Entering directory
>>>>>> `/home/swetha/Desktop/ndnSIM/ndnSIM-sample-topologies/build'
>>>>>> [23/34] cxx: scenarios/ndn-simple.cc ->
>>>>>> build/scenarios/ndn-simple.cc.12.o
>>>>>> [34/34] cxxprogram: build/scenarios/ndn-simple.cc.12.o ->
>>>>>> build/ndn-simple
>>>>>> Waf: Leaving directory
>>>>>> `/home/swetha/Desktop/ndnSIM/ndnSIM-sample-topologies/build'
>>>>>> 'build' finished successfully (6.937s)
>>>>>> +0.000000000s 0 ndn.L3Protocol:L3Protocol(0x555bd319c4e0)
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:computeThresholds():
>>>>>> [LOGIC] thresholds expand=512 shrink=102
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:findOrInsert(): [LOGIC]
>>>>>> insert / hash=0 bucket=0
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:findOrInsert(): [LOGIC]
>>>>>> insert /ndn hash=6181921638449679482 bucket=122
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:findOrInsert(): [LOGIC]
>>>>>> insert /ndn/multicast hash=18240561258910134669 bucket=397
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:findOrInsert(): [LOGIC]
>>>>>> insert /localhost hash=10937169108514740553 bucket=329
>>>>>> +0.000000000s 0 ndn-cxx.nfd.NameTreeHashtable:findOrInsert(): [LOGIC]
>>>>>> insert /localhost/nfd hash=3626199823732152002 bucket=706
>>>>>>
>>>>>> swetha at swetha-Ubuntu:~/Desktop/ndnSIM/ndnSIM-sample-topologies$
>>>>>>
>>>>>>
>>>>>>
>>>>>>   I m grateful for any thoughts and advice regarding where i am going
>>>>>> wrong in this.
>>>>>> Thanks.
>>>>>>
>>>>>> Swetha B.
>>>>>> Research Scholar
>>>>>> RNSIT
>>>>>> Bengaluru
>>>>>> India
>>>>>>
>>>>>> _______________________________________________
> ndnSIM mailing list
> ndnSIM at lists.cs.ucla.edu
> http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.lists.cs.ucla.edu/pipermail/ndnsim/attachments/20201009/7f6fc5f2/attachment-0001.html>