[ns] How to use queue-monitor?

[Padmaparna Haldar]

I think the queue monitor is supported for wired links only.I'm not sure
there's anything parallel for wireless nodes as well. 
--PAdma

On Thu, 26 Feb 2004,Jingyan Zhu wrote:


> Thank you very much for your reply. I read the test-suite-monitor.tcl with 
> your advice, it seems to be under wired network simulation. However, i am 
> simulating ad-hoc wireless network, so I didn't create links between nodes. 
> Does queue-monitor only suitable for wired network, or I should create links 
> in wireless network inorder to get queue-monitor?
> 
> Thanks again.
> Jingyan
> 
> 
> >From: Padmaparna Haldar <haldar at ISI.EDU>
> >To: Jingyan Zhu <queena53 at hotmail.com>
> >CC: ns-users at ISI.EDU
> >Subject: Re: [ns] How to use queue-monitor?
> >Date: Thu, 26 Feb 2004 09:43:22 -0800 (PST)
> >
> >
> >Look into test-suites that use queue monitoring under tcl/test.
> >Also from yr error below it seems the link object between node 0 and node
> >1 doesn't exist. did you create the link before calling monitor-queue
> >function.
> >
> >--PAdma
> >  On Thu, 26 Feb 2004, Jingyan Zhu wrote:
> >
> >
> > >
> > > Dear all,
> > >
> > > >From ns manual, it seems ns supports traces and monitors. However, it
> > > doesn't show how a monitors can be used clearly, apart from commond: 
> >$ns_
> > > monitor-queue n1 n2 qtrace optional:sampleinterval .
> > >
> > > When runing a 2-node wireless simulation, I added this commond  after
> > > starting an ftp traffic. And then error turns up saying
> > >
> > > "can't read "link_(0:1)": no such variable while executing "$link_([$n1 
> >id]:
> > > [$n2 id]) init-monitor $self $qtrace $sampleInterval"
> > >       (procedure "_03" line 3)
> > >       (Simulator monitor-queue line 3)
> > >       invoked from within
> > > "$ns monitor-queue $node_(0) $node_(1) $qtrace"
> > >       (file "two-nodes.tcl" line 108)
> > >
> > > Can anyone give me a hint how to solve this problem? I'd like to use
> > > monitors to count packets transmitted and received, and got stuck here 
> >:(
> > > Thanks a lot.
> > >
> > > Yours,
> > > Jingyan
> > >
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> >--
> >------------------------------------------------
> >Be true to your work, your word, and your friend.
> >--Thoreau
> >
> >Padmaparna Haldar
> >
> 
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------------------------------------------------ 
Be true to your work, your word, and your friend. 
--Thoreau

Padmaparna Haldar