On Mon, 2005-10-17 at 10:38 +0200, Santanu Misra wrote:
> I am going to post the dummies how to on that. You
> are welcome to make your comments on that.
Oh, you foolish, foolish person!
You really shouldn't make suggestions like that :-)
> Here is the draft.
> 1. It should always reply with 3(three) sets of DATA
> -> The OID
> -> The Type (String or integer)
A "pass" script can return more than just string or
(signed) integer values. There are about eight or
nine recognised types. You've missed the following:
unsigned
counter
octet
gauge
objectid
timetick
ipaddress
It doesn't support 64-bit counters (unfortunately),
and you can probably safely ignore "opaque". But
the type returned must match the MIB definition.
> 2. It should not print anything or debug message if there is
> anything wrong it should just do an exit!!
That's true for GET/GETNEXT requests.
It doesn't hold for processing SET requests.
> 3. The script should be able to answer to "-g" and "-n" option
> only when that was passed otherwise do an exit.
Nope - it should also handle "-s", for SET requests.
(I hope that you *have* read the man page!?)
> 4. When it is "-g" it should print the value for the OID it was asked.
> Example:
>
> # /usr/bin/lmstat.pl -g .1.3.6.1.4.1.9999.1.0.0
> .1.3.6.1.4.1.9999.1.0.0
> string
> QAC_runtime
> 5. When it is "-n" it should print the value for the next OID,
> # /usr/bin/lmstat.pl -n .1.3.6.1.4.1.9999.1.0.0
> .1.3.6.1.4.1.9999.1.0.1
You'd probably be better off illustrating this with the
next scalar-style OID - .1.3.6.1.4.1.9999.1.1.0
It's unlikely that both .1.3.6.1.4.1.9999.1.0.0 and
.1.3.6.1.4.1.9999.1.0.1 would be valid in any sensible MIB.
(In fact, ending with two 0's is unusual, and you'd do
better using ...1.1.0 and ...1.2.0 instead)
> integer
> 0
Note that with "-n", the requested OID need not actually be valid
for a "-g" request. The following invocations:
/usr/bin/lmstat.pl -n .1.3.6.1.4.1.9999.1.0.0
/usr/bin/lmstat.pl -n .1.3.6.1.4.1.9999.1.0.0.0.0.0.0.0.0
/usr/bin/lmstat.pl -n .1.3.6.1.4.1.9999.1.0.99
/usr/bin/lmstat.pl -n .1.3.6.1.4.1.9999.1.1
should *all* return the same results (for .1.3.6.1.4.1.9999.1.1.0)
> 6. When the last OID is reached it should exit.
Or anything following.
Dave
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