RE: TRANSMISSION DELAY (fwd)

[Haobo Yu <haoboy@isi.edu>]

you probably want to take a look at tcl/webcache/webtraf.tcl for an
example.

- Haobo

On Wed, 3 Nov 1999, Ya Xu wrote:

> it seems in your domain
> 
> ---------- Forwarded message ----------
> Date: Wed, 3 Nov 1999 10:44:32 -0800 
> From: 
> To: ns-users@mash.CS.Berkeley.EDU
> Subject: RE: TRANSMISSION DELAY
> 
> Hi all,
> 
> I have a question that has been puzzling me:
> 
> I'm trying to set up a simple web traffic model: one server issuing replies
> (ftp bulk transfer) upon requests from clients.  In my tcl files I have the
> following:
> 
> ...
> set tcp_cs_($i) [setuptcp $ns_ $client $ctype $server $stype $tcptrace
> $sinktrace]
> $tcp_cs_($i) proc done {} {$self sendreply}
> ...
> $ftp_cs_ produce 1
> 
> where setuptcp returns a new tcp agent at client (connected to server and
> everything) and sendreply is a function of the class which produces some
> packets on ftp_sc_($i) source.
> 
> However, when I viewed the simulation in nam or the output source file
> (using traceall), there is only initial traffic from client to server, but
> no replies back from the server.  I added a ' puts "in sendreply" ' in
> sendreply function, but nothing was printed out, which means the function
> was never reached.
> 
> What is the appropriate way of invoking a function at the end of a ftp
> transfer?  Or was it something else that I did wrong?  Any help would be
> GREATLY appreciated!
> 
> thanks,
> Shirley
> 
> 
>