Re: [ns] new multicast packet header

[Lori Flynn <lori@cse.ucsc.edu>]

Actually, I do already! (See below where I say I define the size in the
ns-default.tcl file...)

-Lori

> you need to give them initial value in ns-default.tcl. 
> 
> - Haobo
> 
> On Mon, 6 Mar 2000, Lori Flynn wrote:
> 
> > Hi all,
> > 
> > I am creating 1)a  new mcast packet header and 2) a new agent to deal with
> > receiving and sending these packets with the new headers.  I have followed
> > the Marc Greis example in order to make this work.  (section 7 of the
> > tutorial)
> > 
> > However, when I try to run a script which creates the new agent, I get
> > this error:  
> > warning: no class variable Agent/Mcast/Control::packetSize_
> >         see tcl-object.tcl in tclcl for info about this warning.
> > warning: no class variable Agent/Alert::off_ping_
> >         see tcl-object.tcl in tclcl for info about this warning.
> > 
> > 
> > Looking at 'tcl-object.tcl', it says that the Otcl/C++ link didn't work
> > because there was no variable declared.  However, following the Greis
> > example, packetSize_ is not explicitly 'declared', other than defining the
> > size in the ns-default.tcl file and binding it to size_ in the ping.cc
> > file.  'off_ping_' is declared in ping.h, then bound in ping.cc and
> > mentioned in ns-packet.tcl.  
> > 
> > Do I need to do more for ns2 to see my variables?
> > 
> > Thanks,
> > -Lori
> > 
> > 
>