Re: working with tables...

On 16/04/2008, Alejandro Islas <alex.islas@gmail.com> wrote:
> But when I try to read a table..the snmpd deamon crashes.
> Could anyone give me an idea of where to
> start to lookaround???

One thing would be to identify exactly what triggers the crash.
Does it fail on a GETNEXT of the first entry?
On a GETNEXT of any of the four columns?
On a GETNEXT of an internal row instance?

What about GET requests for particular values?
What about GET requests for missing values?


Try running the agent under a debugger, and see where
the crash occurs in the code.



> Here is part of my mib file (one of the tables)...

A few comments:


> MonThreadsTable OBJECT-TYPE
> SYNTAX SEQUENCE OF monThreadsEntry

The name of the table must start with a lower case letter
(monThreadsTable)

The name of the type must start with an upper case letter
And it's the name of the SEQUENCE type, not the Entry
object. (MonThreadsEntry)



> monThreadsEntry OBJECT-TYPE
> SYNTAX monThreadsDetailsEntry

The syntax of this object must match that of the
monThreadsTable entry. Conventionally, this
would be the same as the name of this MIB
object, but capitalised (MonThreadsEntry)



> monThreadsDetailsEntry ::=
> SEQUENCE {

MonThreadsEntry



> IdThread OBJECT-TYPE
> SYNTAX INTEGER
> ACCESS read-only

The index object should be "not-accessible".


> ProcTime OBJECT-TYPE
> MaxProcTime OBJECT-TYPE
> ExecNumber OBJECT-TYPE

These objects must start with a lower-case letter.
Conventionally, you would normally use a common prefix,
to make clear that they're all part of the same table.

monThreadsProcTime
monThreadsMaxProcTime
monThreadsExecNumber


Dave

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