Re: [tkined] Bind to an event

From: Juergen Schoenwaelder (
Date: Wed Oct 04 2000 - 16:59:26 MET DST

>>>>> Javier Campoamor writes:

Javier> I'm trying to create an agent to emulate a Siemens
Javier> equipment. I am using Scotty 2.1.10 over a Solaris box. The
Javier> problem that I'm having is that I can't find the way to bind a
Javier> script to a event. When I put the commands inside the bind
Javier> command everything works, but when I try to use a procedure I
Javier> always get a general error.

Javier> For example, a simple procedure that only write a word doesn't
Javier> work.

Javier> proc nothing {} { puts "Nothing" }

Javier> ...

Javier> global gSltDN $s instance sltDN.0 gSltDN "913158562"

Javier> # This doesn't work $s bind sltDN.0 set { nothing }

Javier> # This does work $s bind sltDN.0 set { puts "Nothing" }

Javier> Does anyone have an idea about where is the problem?

Make sure you agent session runs in the same interpreter which has
seen the definition of proc nothing. I just tried the following
example which worked just fine:

proc yaba {} {
    puts yaba

set a [snmp session -port 1234 -agent {}]
snmp0 bind sysContact.0 set { yaba }

set m [snmp session -port 1234]
$m set {{sysContact.0 foobar}} { puts "%E:%V" }

If it does not work in your case, then please pay attention to the
error you get on the set operation. A genErr for example may indicate
that the procedure is unknown to the interpreter called. A noSuchName
implies that the variable is not writable and so on.


Juergen Schoenwaelder      Technical University Braunschweig
<>  Dept. Operating Systems & Computer Networks
Phone: +49 531 391 3289    Bueltenweg 74/75, 38106 Braunschweig, Germany
Fax:   +49 531 391 5936    <URL:>

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