Re: [ns] Problem between TCL and C++

[Padmaparna Haldar <haldar@ISI.EDU>]

On Fri, 13 Apr 2001, Julien.Cartigny wrote:


> Hello,
>
> I have some trouble to use correctly ns-2.
>
> I am writing a ad hoc algorithm. I have writed the command function with a
> parameter called "david-start":
>
> --------------------------------------------------
>   if (argc == 2) {
>
>     if (strcmp (argv[1], "david-start") == 0) {
>       startup();
>       return (TCL_OK);
>     }
> --------------------------------------------------
>
> But, when i use my program: i have the following result:
>
> ---------------------------------------------------
> ns: _o14 david-start:
>     (_o14 cmd line 1)
>     invoked from within
> "_o14 cmd david-start"
>     invoked from within
> "catch "$self cmd $args" ret"
>     (procedure "_o14" line 2)
>     (SplitObject unknown line 2)
>     invoked from within
> "_o14 david-start"
> -----------------------------------------------------
>
> So, when i use some classical parameters like tracetraget i have no
> problem: the programm use the command version in my C++ code. But when i
> use some other parameters like:
>
> $ns at 0.1 "$node_(0) david-start"

You'd have to add "david-start" to the command function of the Node class
in this case and in general to the particular object class that is
calling david-start.
--Padma.

>
> My C++ can take this call in command function because TCL refuses to
> transmit.
>
> -> Does anyone know how to do ?
>
> -> It exists a flag for debugging TCL or i must use the TCL debug library
> ?
>
> -> Does anyone have a HOWTO about create ad'hoc routing mechanism into
> NS... It's hard to use only the sources already present (like AODV, DSDV,
> TORA or DSR).
>
> P.S:I have already modified ns-default.tcl  ns-lib.tcl  ns-packet.tcl
> packet.h to extend ns with my own algorithm.
>
> ------------------------------------------------------------------
> CARTIGNY Julien
> These d'informatique dans l'equipe RD2P  a l'universite de Lille 1
> (Phd of Computer Science at the University of Lille 1 / France)
>
> "Rosebud" - Citizen Kane/Orson Wells
>
>
>
>

-- 
------------------------------------------------
Be true to your work, your word, and your friend.
--Thoreau

Padmaparna Haldar