[Click] finding an element in the configuration using Router::find()

[Sascha Alexander Jopen]

Hi Hamid,

you can either use Router::elements() to iterate over all elements in
your configuration if there are several potential candiates, or use
Router::find("elemB") if you give the element to be found a name like so:

  elemA :: elementA();
  elemB :: elementB();

Regards,
Sascha

On 23.09.2013 14:46, Hamid Farhadi wrote:
> Hi
> 
> using Router::visit_upstream/downstream() in this config elementA can 
> find elementB:
> elementA()->elementB();
> 
> But in this one it can not:
> elementA();
> elementB();
> 
> I mean consider some elements like ControlSocket, how can I find it from 
> another element, please?
> 
> Here is how I use Router::visit_upstream/downstream():
> 
> ElementCastTracker filter(router() , "elementB" );
> Element* e = router()->visit_upstream( this , 0 , &filter );
> elementB* b = (elementB*)filter[0]->cast( "elementB" );
> 
> If the solution is Router::find(), I could not find an example of how to 
> use it. when it returns an element, how should I cast it to use its members?
> 
> Any help is appreciated,
> Hamid
> 
> 
> _______________________________________________
> click mailing list
> click at amsterdam.lcs.mit.edu
> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
> 


-- 
Dipl.-Inform. Sascha Jopen

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