[ndnSIM] question for topology

[Alex Afanasyev]

NS-3's python bindings (e.g., visualizer) are not very user friendly and require quite a bit magic.

The simplest way, just before running scenario, 

cd /home/ndnSIM/
./waf shell
cd /home/ndnSIM/ndnSIM-sample-topologies
./waf --run ndn-grid-topo-plugin --vis

(or with LD_LIBRARY_PATH, but I don't think it's necessary)

If it still not working, check again what ./waf configure in /home/ndnSIM/ndnSIM-sample-topologies is telling.  Does it complain about visualizer or it shows "yes"?

---
Alex

On Mar 6, 2013, at 4:48 PM, aaronishere <aaronishere at qq.com> wrote:

> Hi, Alex
> Sorry to bother you again
> I'm still not clear about how to use the topology
> I copied the ndn-grid-topo-plugin under the file .../ndnSIM-sample-topologies/scenario and changed it like below :
>  
> int
> main (int argc, char *argv[])
> {
>   ......
>   RocketfuelWeightsReader  topologyReader ("", 25);
>   topologyReader.SetFileName ("topologies/bw-delay-rand-1/1221.r0-conv-annotated.txt");
>   topologyReader.Read ();
>   ......
>   // Getting containers for the consumer/producer
>   Ptr<Node> producer = Names::Find<Node> ("bb-781");
>   NodeContainer consumerNodes;
>   consumerNodes.Add (Names::Find<Node> ("leaf-4349"));
>  ......
> }
>  
> but typed LD_LIBRARY_PATH=/usr/local/lib ./waf --run ndn-grid-topo-plugin --vis , it showed
>  
> Waf: Entering directory `/home/ndnSIM/ndnSIM-sample-topologies/build'
> Waf: Leaving directory `/home/ndnSIM/ndnSIM-sample-topologies/build'
> 'build' finished successfully (0.024s)
> assert failed. cond="uid != 0", msg="Assert in TypeId::LookupByName: ns3::VisualSimulatorImpl not found", file=../src/core/model/type-id.cc, line=419
> terminate called without an active exception
>  
> Thanks a lot! 
>  
> Aaron
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