[Click] Click element cyclic dependency

[Eddie Kohler]

Ah, no, I see the problem. Your datapath.cc file has an 
ELEMENT_REQUIRES(OfSwitch). But OfSwitch is not defined anywhere. As a 
result, Datapath is thrown out. As a result of THAT, EtherSwitch is 
thrown out.

Eddie


On 11/17/11 4:24 PM, Eddie Kohler wrote:
> Dear Sandeep,
>
> I think you may need to remove the semicolon after
> "ELEMENT_PROVIDES(Datapath)". Try that?
>
> Eddie
>
>
> On 11/15/11 6:54 PM, sandeep wrote:
>> Respected Professor,
>>
>> Please have a look at this code. The elements.conf file generated using
>> "make elemlist" doesn't have etherswitch.cc file in it. I am not sure
>> what the error was. I managed to get the same code working after merging
>> datapath.[cc,hh] contents into etherswitch.[cc,hh] but that is probably
>> not very object oriented. On another note, I added a write handler to
>> etherswitch element(to directly add table entries) which might be useful
>> for others as well.
>>
>> Kind Regards,
>> Sandeep,
>> PhD Student,
>> CTVR <http://ctvr.ie/> - Trinity College Dublin
>>
>> On Wed, Nov 9, 2011 at 6:01 PM, Eddie Kohler <ekohler at gmail.com
>> <mailto:ekohler at gmail.com>> wrote:
>>
>> Sandeep,
>>
>> I am surprised that compilation fails. I tested this type of
>> dependency setup and it worked. Which version of Click are you
>> using and what error do you see?
>>
>> Eddie
>>
>>
>>
>> On 11/2/11 2:47 PM, sandeep wrote:
>>
>> I am building an element which uses multiple files. I am in a
>> situation in
>> which I have two files with the following syntax and compilation
>> fails. My
>> idea is to pass reference of the first object to the second one. Any
>> suggestions please.
>>
>> File 1:
>> ELEMENT_REQUIRES(Z)
>> ELEMENT_PROVIDES(X)
>> EXPORT_ELEMENT(Y)
>>
>> File 2:
>> ELEMENT_REQUIRES(X)
>> ELEMENT_PROVIDES(Z)
>>
>> Kind Regards,
>> Sandeep,
>> PhD Student,
>> CTVR<http://ctvr.ie/> - Trinity College Dublin
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