Re: [ns] Trace Time in Multicast

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

hope this answer your question:
  http://www.isi.edu/nsnam/archive/ns-users/webarch/2000/msg03349.html

- difa

On Wed, 21 Nov 2001, yoon wrote:

> Hi!!
>
> Now..I simulate multicast related source using ns(DM.tcl) in Linux.
>
> In inner node(maybe, routers), I want to forward data to child nodes in tree
> after some processing..
>
> Some processing is to execute .exe(crypto++) program which is outside of
> ns...
>
> So..I added code in "trace.cc" like this..
>
>      TCL::instance().evalf("puts $f [exec /crypto41/cryptest.exe e in.dat
> out.dat]")
>
> I thought... after executing this code, there is some delays before
> executing Scheduler::instance().clock()(receive time).
>
> But ...This code did not affect simulation time..
>
> How can i affect " exec function result" in simulation time???
>
>
>
> ( Also I used another method..
>   In trace.cc,  I stored "exec" execution result value in another variable.
>
>   And when print trace result, sprint( "%c "Timeformat".........
>                                         ,
> pt->round(Scheduler::instance().clock()),
>                                           ----------------------------------
> ------
>                                           change to like thie :
> pt->round(Scheduler::instance().clock() + variable)
>
>   but error....-_-;;
>
> )
>
> please help me!!!!!!
>
>
>
>