[ndnSIM] [EXT] Issue with writing custom nametree

Swetha B swetab26 at gmail.com
Fri Oct 9 02:09:15 PDT 2020 

Hi Junxiao,
I have added SSH public keys and its status shows as valid. can u guide me
where i am going wrong.

Regards
Swetha

On Fri, Oct 9, 2020 at 2:21 PM Junxiao Shi <shijunxiao at email.arizona.edu>
wrote:

> 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
>>
>
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