Re: [ns] Getting the sink of TCP connection

[Xuan Chen <xuanc@ISI.EDU>]

Try this:

set tcp [new Agent/TCP]
$tcp set class_ 2
set sink [new Agent/TCPSink]
$ns attach-agent $n0 $tcp
$ns attach-agent $n2 $sink
$ns connect $tcp $sink

Thanks.
-chen xuan

On Wed, 6 Jun 2001, Nikolaos Katsarakis Austauschstud. (M. Schweigel) wrote:

> If I use the command:
> 
> set tcp0 [$ns create-connection TCP $n0 TCPSink $n2 1]
> 
> I only get the handle to the source agent.
> 
> How can I afterwards get the handle to the sink agent?
> 
> I tried set sink0 [$tpc0 target] but it didn't work.
> 
> I tried to do $sink0 reset and got  the following error message:
> 
> --- Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) ---
>         _o12: no target for slot -1
>         _o12 type: Classifier/Hash/Dest
> content dump:
> classifier _o12
>         0 offset
>         0 shift
>         2147483647 mask
>         3 slots
>                 slot 0: _o61
>                 slot 1: _o22
>                 slot 2: _o22
>         -1 default
> ---------- Finished standard no-slot{} default handler ----------
> 
> If anybody knows the right way to use the target command (or any other command to get the handle to the target of a given
> agent), please let me know.
> 
> Thank you
> 
> Nikos
> 
> 

-- 
Xuan Chen
USC/ISI