Is it possible to extend more than one appication in simple module

[Karthick Subramanian]

Hi all,

I would like to if it is possible to extend more than one application in simple module.

E.g simple TrafficApp extends UDPBasicApp, BGTrafficSourceApp
{

}

If it is possible, kindly let me know how can i do that.

Thanks in advance,
Karthick

[Andreas Rain]

Hi,

you can create a compund module that uses both.

I don't think you can extend two different simple modules.

What is your intention? Do you really want to extend the code

and add functionality, combining both modules?

Or do you just want to use them?

Best regards,

Andreas

[Karthick Subramanian]

HI Andreas,

My aim is to extend the code and add functionalities. If I create a compound module, it is not possible to add new functionalities. Thats the problem I have.

Thanks,
Karthick

[Andreas Rain]

Hi,

you could extend each module individually and add functionality

separately. I mean:

simple MYUDPBasicApp extends UDPBasicApp{}
simple MYBGTrafficSourceApp extends BGTrafficSourceApp {}

module MyModule{
   submodules:
      myudpapp : MYUDPBasicApp {}
      mybgtrafficapp : MYBGTrafficSourceApp {}
}

Furthermore, if you add one additional class (which would not be a simple module), you could let both your apps

extend this class and the traffic apps (only in C++; check for instance

http://www.cprogramming.com/tutorial/multiple_inheritance.html

where multiple inheritance is described). With this approach you'd only have to implement

your additional functionality once, in your separate class. You'd have to call the parent methods respectively

in the order you wish them to be executed.

If you don't have a problem changing the INET Code directly, you can also

just edit the existing module's code and extend your separate class as well.

I'm not sure if what I mean is clear enough, let me know if I could help you.

Best regards,

Andreas

[Karthick Subramanian]

HI Andreas,

I understand Multiple Inheritance. But multiple inheritance is not working as expected.
E.g:

simple A extends B,C{ }

But this not working in .ned.

Thanks,
Karthick

[Ester Lopez]

Hi Karthick,

Why dont you have class A extend B, C on c++ and then have on your ned file something like

simple A like IIPvXTrafficGenerator {

... (parameters & gates)

}

Cheers,

Ester

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