Re: [ns] access to MAC/LL intenal variables

[Haobo Yu <haoboy@isi.edu>]

You want to read the structure of a node so that you can get a handle of
that LL object then you can access its variables. Please read ns manual.

- Haobo

On Thu, 4 May 2000, Fabienne LEFEVRE wrote:

> Date: Thu, 04 May 2000 10:57:55 +0200
> From: Fabienne LEFEVRE <Fabienne_Lefevre-AFL005@email.mot.com>
> To: ns-users <ns-users@mash.CS.Berkeley.EDU>
> Subject: [ns] access to MAC/LL intenal variables
> 
> Dear all,
> 
> The problem I encounter is that I wonder how to access the intenal
> variables of MAC and LL instances. Actually it is rather simple to
> access node variables using commands as
> 
> $tcp set bytes_
> 
> but the problem is how to access the MAC/LL entity of a node and more
> especially its internal variables? I would like to plot for instance the
> LL variable bytes_ of only one of my node (and not for all the other
> nodes) and I can't manage to do that. If I use 
> 
> set ll             LL
> $ns node-config   -llType $ll  ...etc...
> puts "bytes_= [$ll set bytes_]" 
> 
> and that I create several nodes, which value will bytes_ return, to
> which node does $ll refer, and how can I access the variable bytes_ of a
> specific node?
> 
> I would very much appreciate any help on this subject
> 
> Sincerely
> 
> Fabienne