Re: [ns] Really need your help in creating new c++ classes

[Di-Fa Chang <difac@usc.edu>]

check http://www.isi.edu/nsnam/archive/ns-users/webarch/2000/msg06370.html
and try it.

- difa

On Fri, 30 Nov 2001, Dan Wang wrote:

> Hello Everyone:
>
> I met some problems with creating new c++ classes and
> I
> looked into the mail list but did not find good
> answers. I wrote the new class like this:
>
> //Test.cc
> #include <stdio.h>
> #include <string.h>
> #include "agent.h"
>
> class MyAgent : public Agent {
> public:
>         MyAgent();
> };
>
> MyAgent::MyAgent() : Agent(PT_UDP) {
> }
>
> static class MyAgentClass : public TclClass {
> public:
>      MyAgentClass() : TclClass("Agent/MyAgentOtcl") {}
>      TclObject* create(int, const char*const*) {
>              return(new MyAgent());
>      }
> } class_my_agent;
>
> I wrote my tcl script like the following:
> //Test.tcl
> set t0 [new Agent/MyAgentOtcl]
>
> I added the Test.cc into the ns directory and modified
> the Makefile and Makefile.in both by adding Test.o.
> I recompiled ns by make.
>
> I run the tcl script and get the following error:
>
> invalid command name "Agent/MyAgentOtcl"
>     while executing
> "Agent/MyAgentOtcl create _o3 "
>     invoked from within
> "catch "$className create $o $args" msg"
>     (procedure "new" line 3)
>     invoked from within
> "new Agent/MyAgentOtcl"
>     invoked from within
> "set t0 [new Agent/MyAgentOtcl]
> "
> Any suggestion is warmly welcomed.
> Thank you.
> Dan.
>
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