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

Hamid Farhadi qq119512 at iii.u-tokyo.ac.jp
Mon Oct 7 08:17:18 EDT 2013


now it works thanks

On 9/23/13 10:10 PM, Sascha Alexander Jopen wrote:
> 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
>>
>>
>> _______________________________________________
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>> click at amsterdam.lcs.mit.edu
>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>
>
>


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