[ndnSIM] Trying to re-compile ndnSIM class Forwarder

[John Baugh]

Greetings again friends,

I'm up working on this trying to get my scenario to work with a custom
forwarder again at nearly 3 a.m. *on my birthday*.  I'm not sure if that's
dedication or insanity.  ;)

I spent another 4-5 hours trying to figure out this specific problem
tonight, but with no luck.  I have found the following:

1.  forwarder.hpp lives in *both *ns-3/build/ns3/ndnSIM/NFD/daemon/fw *as
well as *ns-3/src/ndnSIM/NFD/daemon/fw
     The later also has a forwarder.cpp in it.

2.  Which one of the copies (?) of forwarder.hpp mentioned above am I
supposed to change / modify for my scenarios to use it instead of the
default one?  Where is the corresponding forwarder.cpp file for the one in
ns-3/build path (there is one in the ns-3/src path, but none to be found in
ns-3/build path mentioned above)

3.  Why is there a *waf *in so many different directories?  They seem to be
specialized to the different components of ndnSIM, such as NFD, ndn-cxx,
and specific scenarios -  Perhaps I'm using the wrong one(s)?

4.  My scenarios are still saying that the Forwarder class doesn't have a
printMessageForTest method, even though I have it declared in both the
copies of forwarder.hpp, and have it defined in forwarder.cpp.  I tried
recompiling using ./waf in various directories, and I cannot find a
solution to this problem.

I appreciate your patience again.  This is a really irritating situation,
and I'm fairly certain there's something simple I'm missing.  Any help
would be greatly appreciated.

Thanks,

John

On Thu, May 18, 2017 at 2:47 AM, John Baugh <jpbaugh at umich.edu> wrote:

> Greetings ndnSIM friends,
>
>
> I've spent the last few days working on trying to modify the Forwarder
> class (which I did - I modified *ns-3/src/ndnSIM/NFD/daemon/fw/forwarder.[hpp,
> cpp]*)
>
> However, ./waf doesn't seem to work properly.  I even did a ./waf clean
> and ./waf build.  On one of the runs of ./waf I did notice it (apparently?)
> successfully re-build the forwarder.cpp file.
>
> What I did was add a method (the prototype to .hpp and definition to .cpp)
> called *printMessageForTest())*
>
> I would assume that after ndnSIM was rebuilt with ./waf that my scenario,
> which calls printMessageForTest on the forwarder would actually work, but
> it doesn't recognize it.
>
> Any clue what's going on?
>
> Alternatively, if anyone could give an appropriate procedure for ensuring
> all changes make it into the system when modifications of actual ndnSIM
> files are made, it would be appreciated.
>
> Looking forward to hearing from you,
>
> John
>
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