[ndnSIM] ndnSIM Digest, Vol 47, Issue 4
张国治
zguozhi at foxmail.com
Sun Oct 9 17:46:45 PDT 2016
Hi,
I think I'm just getting to the good bit about my doubt before this.
(1) If you want to run the simulation outside the directory of ns-3 installed，the command "sudo ./waf install" need be executed after Command"./waf" ，I forgot it.
(2)Modifying the pit directly is feasible , but I know it is not recommended, is there other way to modify the pit/pitEntry like to modify forward strategy?
Sincerely,
Guozhi Zhang
------------------ Original ------------------
From: "ndnsim-request";<ndnsim-request at lists.cs.ucla.edu>;
Date: Mon, Oct 10, 2016 00:51 AM
To: "ndnsim"<ndnsim at lists.cs.ucla.edu>;
Subject: ndnSIM Digest, Vol 47, Issue 4
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Today's Topics:
1. Re: something wrong in the technical report (Alex Afanasyev)
2. Some doubt about PIT modify (=?gb18030?B?1cW5+tbO?=)
3. ndnSIM compile/link error with libprotobuf.a. (saran nath)
4. Re: ndnSIM compile/link error with libprotobuf.a. (saran nath)
5. How to Distinguish ContentTypes and downcast to them
(Muhammad Hosain Abdollahi Sabet)
6. Re: How to Distinguish ContentTypes and downcast to them
(Junxiao Shi)
----------------------------------------------------------------------
Message: 1
Date: Wed, 5 Oct 2016 11:18:40 -0700
From: Alex Afanasyev <aa at CS.UCLA.EDU>
To: ??? <410330533 at qq.com>
Cc: ndnsim <ndnsim at lists.cs.ucla.edu>
Subject: Re: [ndnSIM] something wrong in the technical report
Message-ID: <E4AF29EF-1FB3-4601-B6BE-97154FEEAC6D at cs.ucla.edu>
Content-Type: text/plain; charset=utf-8
Oops. Thanks for pointing this out! We'll fix it.
---
Alex
> On Sep 29, 2016, at 6:39 PM, ??? <410330533 at qq.com> wrote:
>
> Hello,
> After read the technical report, I realized something wrong as the following picture shows. Why is the cs::Probability:Fifo correspond to LFU and cs::Probability:lfu correspond to Random?Does the table lost some information?
> <C7734451 at 259E287E.35C2ED57.jpg>
> Sincerely,
> Prince
------------------------------
Message: 2
Date: Thu, 6 Oct 2016 12:18:12 +0800
From: "=?gb18030?B?1cW5+tbO?=" <zguozhi at foxmail.com>
To: "=?gb18030?B?bmRuc2lt?=" <ndnsim at lists.cs.ucla.edu>
Subject: [ndnSIM] Some doubt about PIT modify
Message-ID: <tencent_00CBC5E711E77FF356B9864E at qq.com>
Content-Type: text/plain; charset="gb18030"
Dear All,
I want to simulation cache policy which need to modify PIT, however, I meet some questions:
(1) I am not clear how to modify PIT, for examples, if I want to add some data struct to pit::Entry, should I modify directly the source of ndn-pit-entry.cc/ndn-pit-entry.h? Or is there a another simple method, such as aggregating or others?
(2)I modify directly the source of PIT in src/nsnSIM/modules/pit/ndn-pit-entry.cc, and recompile successfully the ns-3, and run successfully simulation in ns-3 directory? such as "ns-3/scratch/first.cc", but when I run my simulation in custom directory following the PAGE: http://ndnsim.net/1.0/getting-started.html, there are some errors prompting"?class ns3::ndn::pit::Entry? has no member named ?AddInfaceCount?" , ?AddInfaceCount? is the member function added into pit::Entry in source "src/nsnSIM/modules/pit/ndn-pit-entry.cc". I so strange to this question, since before this I always run simulaiton in this directory except modifying PIT.
Please forgive me for my poor English?
Sincerely,
Guozhi zhang
Beijing Jiaotong University
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Message: 3
Date: Sat, 8 Oct 2016 01:22:27 -0700
From: saran nath <sarannath39 at gmail.com>
To: ndnsim at lists.cs.ucla.edu
Subject: [ndnSIM] ndnSIM compile/link error with libprotobuf.a.
Message-ID:
<CAG6erePY34iX+34Rd9Y0bhP21YuNKbTeC3yEzx9pmLoRHyyQhQ at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hello,
I am new to this project. I have almost compiled everything but failing in
linking I think.
Linking build/libns3-dev-ndnSIM-debug.so
/usr/bin/ld: /usr/lib/x86_64-linux-gnu/libprotobuf.a(common.o): relocation
R_X86_64_32S against `_ZTVN6google8protobuf7ClosureE' can not be used when
making a shared object; recompile with -fPIC
/usr/lib/x86_64-linux-gnu/libprotobuf.a: error adding symbols: Bad value
collect2: error: ld returned 1 exit status
Your suggestion to remove this error will help me.
Saran.
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Message: 4
Date: Sat, 8 Oct 2016 02:18:08 -0700
From: saran nath <sarannath39 at gmail.com>
To: ndnsim at lists.cs.ucla.edu
Subject: Re: [ndnSIM] ndnSIM compile/link error with libprotobuf.a.
Message-ID:
<CAG6erePPKPw_4fMy7=cA0Hybu3rRoD7DvATujEf9_QVpHS_qWg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
/usr/lib/x86_64-linux-gnu/libprotobuf.a was a stale entry and after
cleaning it up, I am able to successfully compile/link. Thanks. Saran.
On Sat, Oct 8, 2016 at 1:22 AM, saran nath <sarannath39 at gmail.com> wrote:
> Hello,
>
> I am new to this project. I have almost compiled everything but failing in
> linking I think.
>
> Linking build/libns3-dev-ndnSIM-debug.so
>
> /usr/bin/ld: /usr/lib/x86_64-linux-gnu/libprotobuf.a(common.o):
> relocation R_X86_64_32S against `_ZTVN6google8protobuf7ClosureE' can not
> be used when making a shared object; recompile with -fPIC
>
> /usr/lib/x86_64-linux-gnu/libprotobuf.a: error adding symbols: Bad value
>
> collect2: error: ld returned 1 exit status
>
> Your suggestion to remove this error will help me.
>
> Saran.
>
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Message: 5
Date: Sun, 9 Oct 2016 18:06:15 +0330
From: Muhammad Hosain Abdollahi Sabet <mhasabet at gmail.com>
To: ndnsim <ndnsim at lists.cs.ucla.edu>
Subject: [ndnSIM] How to Distinguish ContentTypes and downcast to them
Message-ID:
<CADQ0MFZ0_Rw0JnGqPD2Xk-Lyfoi8QFzxnHYOw3=LJvpQWU_uYg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
?Hello everyone,
My application recieves a Data packet. How can I downcast it to its Type? I
mean, for example downcast a data packet to Key or Link or Nack based on
getContentType of the packet. I know it is more of a c++ question, but
again I haven't been able to do it yet in ndnSIM.
Thanks,
Sabet
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Message: 6
Date: Sun, 9 Oct 2016 09:50:24 -0700
From: Junxiao Shi <shijunxiao at email.arizona.edu>
To: Muhammad Hosain Abdollahi Sabet <mhasabet at gmail.com>
Cc: ndnsim <ndnsim at lists.cs.ucla.edu>
Subject: Re: [ndnSIM] How to Distinguish ContentTypes and downcast to
them
Message-ID:
<CAOFH+OZDHWiCq0g2VR2XGSHgvQb9+R+X2Pqg2PPtSyboDv49Aw at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi Sabet
When a Data instance is created during packet decoding, the instance is of
Data type, not a subclass of Data. Thus, you cannot downcast it with
static_cast.
If it's determined that the Data is a Link, you may construct a new Link
instance and decode from the wire encoding:
ndn::Link link(data.wireEncode());
Similarly, you can:
ndn::security::v1::Certificate cert(data);
Certificate has a constructor from Data, which allows you to omit
wireEncode().
ContentType=NACK refers to producer generated Nack, which has no particular
structure. A producer generated Nack is just a regular Data.
This is completely unrelated to ndn::lp::Nack.
Yours, Junxiao
On Sun, Oct 9, 2016 at 7:36 AM, Muhammad Hosain Abdollahi Sabet <
mhasabet at gmail.com> wrote:
> ?Hello everyone,
>
> My application recieves a Data packet. How can I downcast it to its Type?
> I mean, for example downcast a data packet to Key or Link or Nack based on
> getContentType of the packet. I know it is more of a c++ question, but
> again I haven't been able to do it yet in ndnSIM.
>
> Thanks,
> Sabet
>
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