[ndnSIM] How to use hijacker in ndnSIM?
Chengyu Fan
chengyu at cs.colostate.edu
Tue Feb 26 10:09:07 PST 2013
Thanks, Alex.
Now everything works fine.
Just for new users: if you create a directory (let's say ndn-test) under
scratch/ , then you need to run it as "./waf --run ndn-test"
On Tue, Feb 26, 2013 at 10:03 AM, Alex Afanasyev <
alexander.afanasyev at ucla.edu> wrote:
> Hi Chengyu,
>
> scratch/ folder in NS-3 has a specific logic programmed into it, so you
> need to be careful by placing files into it. Each scratch/*.cc file is
> treated as a complete simulation scenario (i.e., need to contain main()
> function). In your case neither custom-app.c nor hijacker.cc has (and they
> definitely should not have) main function, so the compiler is telling you
> that.
>
> There is another logic of scratch/ folder that you can use and it should
> work in your case. If you create a directory under scratch/ (like
> scratch/ndn-scenario) and put all .cc and .h file in there, then ./waf will
> think that you're compiling only one ndn-scenario and will compile all
> files together (exactly one main function should be present in all .cc
> files under this folder).
>
> Hope it helps,
> Alex
>
> On Feb 26, 2013, at 12:38 AM, Chengyu Fan <chengyu at cs.colostate.edu>
> wrote:
>
> Alex,
>
> Thanks for the quick reply. After I modify the wscript file to include
> hijacker.cc , it works.
>
> More questions in lines.
>
> On Tue, Feb 26, 2013 at 12:47 AM, Alex Afanasyev <
> alexander.afanasyev at ucla.edu> wrote:
>
>> Hi Chengyu,
>>
>> You would need to modify wscript file to include hijacker.cc in your
>> scenario. You can checkout an example in examples/wscript for
>> "ndn-simple-with-custom-app".
>>
>>
> At the same time, I would encourage you and everybody else against writing
>> scenarios by modifying ndnSIM or NS-3. My personal recommendation is to
>> use a modular way, using for example the template
>> https://github.com/cawka/ndnSIM-scenario-template. If you simply copy
>> hijacker.cc to extensions folder and copy your modified version of
>> ndn-tree-app-delay-trace (alongside with topology files), it should compile
>> and work.
>>
>>
> Now I try to use files "ndn-simple-with-custom-app.cc", "custom-app.h",
> "custom-app.cc", "hijacker.cc", and "hijacker.h" in directory "scratch".
> They work in the examples, so I think they should work in the scratch
> directory.
>
> In addition, I also add two lines to include custom-app.h and hijacker.h
> in ndn-simple-with-custom-app.cc:
> *#include "custom-app.h"*
> *#include "hijacker.h"*
> *
> *
> However, when I run the command "./waf
> --run=scratch/ndn-simple-with-custom-app", it gives me a lot of
> "relocation" error message:
>
> ==================================
> ./waf --run=scratch/ndn-simple-with-custom-app
> Waf: Entering directory `/home/chengyu/ndnSIM/ns-3/build'
> [ 820/1989] cxx: scratch/ndn-simple-with-custom-app.cc ->
> build/scratch/ndn-simple-with-custom-app.cc.3.o
> [1715/1989] cxx: scratch/hijacker.cc -> build/scratch/hijacker.cc.2.o
> [1962/1989] cxxprogram: build/scratch/ndn-simple-with-custom-app.cc.3.o ->
> build/scratch/ndn-simple-with-custom-app
> [1963/1989] cxxprogram: build/scratch/hijacker.cc.2.o ->
> build/scratch/hijacker
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 0 has invalid symbol index 11
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 1 has invalid symbol index 12
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 2 has invalid symbol index 2
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 3 has invalid symbol index 2
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 4 has invalid symbol index 11
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 5 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 6 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 7 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 8 has invalid symbol index 2
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 9 has invalid symbol index 2
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 10 has invalid symbol index 12
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 11 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 12 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 13 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 14 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 15 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 16 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 17 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 18 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 19 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 20 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 21 has invalid symbol index 13
> /usr/bin/ld: /usr/lib/debug/usr/lib/i386-linux-gnu/crt1.o(.debug_info):
> relocation 22 has invalid symbol index 21
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../i386-linux-gnu/crt1.o: In
> function `_start':
> (.text+0x18): undefined reference to `main'
> collect2: ld returned 1 exit status
> Waf: Leaving directory `/home/chengyu/ndnSIM/ns-3/build'
> Build failed
> -> task in 'hijacker' failed (exit status 1):
> {task 146488780: cxxprogram hijacker.cc.2.o -> hijacker}
> ['/usr/bin/g++', '-pthread', '-pthread', '-Wl,-Bsymbolic-functions',
> '-Wl,-z,relro', 'scratch/hijacker.cc.2.o', '-o',
> '/home/chengyu/ndnSIM/ns-3/build/scratch/hijacker', '-Wl,-Bstatic',
> '-Wl,-Bdynamic', '-Wl,--no-as-needed', '-L.', '-L.', '-L.', '-L.', '-L.',
> '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.',
> '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.',
> '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.', '-L.',
> '-L.', '-L.', '-L.', '-L/usr/local/lib', '-L/usr/lib',
> '-lns3-dev-test-debug', '-lns3-dev-csma-layout-debug',
> '-lns3-dev-point-to-point-layout-debug', '-lns3-dev-netanim-debug',
> '-lns3-dev-lte-debug', '-lns3-dev-spectrum-debug',
> '-lns3-dev-antenna-debug', '-lns3-dev-aodv-debug', '-lns3-dev-dsdv-debug',
> '-lns3-dev-dsr-debug', '-lns3-dev-mesh-debug', '-lns3-dev-olsr-debug',
> '-lns3-dev-csma-debug', '-lns3-dev-wimax-debug',
> '-lns3-dev-applications-debug', '-lns3-dev-virtual-net-device-debug',
> '-lns3-dev-uan-debug', '-lns3-dev-energy-debug',
> '-lns3-dev-flow-monitor-debug', '-lns3-dev-ndnSIM-debug',
> '-lns3-dev-visualizer-debug', '-lns3-dev-nix-vector-routing-debug',
> '-lns3-dev-tap-bridge-debug', '-lns3-dev-internet-debug',
> '-lns3-dev-bridge-debug', '-lns3-dev-point-to-point-debug',
> '-lns3-dev-mpi-debug', '-lns3-dev-wifi-debug', '-lns3-dev-buildings-debug',
> '-lns3-dev-propagation-debug', '-lns3-dev-mobility-debug',
> '-lns3-dev-config-store-debug', '-lns3-dev-tools-debug',
> '-lns3-dev-stats-debug', '-lns3-dev-emu-debug',
> '-lns3-dev-topology-read-debug', '-lns3-dev-network-debug',
> '-lns3-dev-core-debug', '-lrt', '-lgsl', '-lgslcblas', '-lm',
> '-lgtk-x11-2.0', '-lgdk-x11-2.0', '-latk-1.0', '-lgio-2.0',
> '-lpangoft2-1.0', '-lpangocairo-1.0', '-lgdk_pixbuf-2.0', '-lcairo',
> '-lpango-1.0', '-lfreetype', '-lfontconfig', '-lgobject-2.0', '-lglib-2.0',
> '-lxml2', '-lsqlite3', '-lboost_iostreams', '-lpython2.7']
>
> ====================================================
>
>
>> Let us know if you still in trouble with hijacker (either with or without
>> modular way).
>>
>> ---
>> Alex
>>
>>
>> On Feb 25, 2013, at 11:14 PM, Chengyu Fan <chengyu at cs.colostate.edu>
>> wrote:
>>
>> Hi~
>>
>> I want to use the custom app "hijacker" in ndnSIM, so I modify the code
>> of ndn-tree-app-delay-tracer.cc.
>>
>> Basically I replace codes:
>> ndn::AppHelper producerHelper ("ns3::ndn::Producer");
>> producerHelper.SetAttribute ("PayloadSize", StringValue("1024"));
>>
>> using:
>> ndn::AppHelper producerHelper ("Hijacker");
>>
>>
>> However, when I run ndn-tree-app-delay-trace, it prompts the error
>> messages:
>>
>> *assert failed. cond="uid != 0", msg="Assert in TypeId::LookupByName:
>> Hijacker not found", file=../src/core/model/type-id.cc, line=419*
>> *terminate called without an active exception*
>> *
>> *
>> *Command
>> ['/home/chengyu/ndnSIM/ns-3/build/src/ndnSIM/examples/ns3-dev-ndn-tree-app-delay-tracer-debug',
>> '100'] terminated with signal SIGIOT. Run it under a debugger to get more
>> information (./waf --run <program> --command-template="gdb --args %s
>> <args>").*
>>
>> Does anybody know what the problem is?
>>
>> Thanks,
>> Chengyu
>>
>> _______________________________________________
>> ndnSIM mailing list
>> ndnSIM at lists.cs.ucla.edu
>> http://www.lists.cs.ucla.edu/mailman/listinfo/ndnsim
>>
>>
>>
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>
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