Thanks for your reply. I have put my reply and further queries inline.
I have added the MIB file again with description
vsExTable OBJECT-TYPE
SYNTAX SEQUENCE OF VsExEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The table of Blades which are running on the BladeCenter"
::= { vsexample 3 }
vsExEntry OBJECT-TYPE
SYNTAX VsExEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
""
INDEX { vsExIndex }
::= { vsExTable 1 }
VsExEntry ::= SEQUENCE {
vsExIndex INTEGER,
vsExID OBJECT IDENTIFIER,
vsExDescr DisplayString,
vsExUpTime TimeStamp
}
vsExIndex OBJECT-TYPE
SYNTAX INTEGER (1..2147483647)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The Blade number, which can go from value
1 to maximum number of blades on the BladeCenter
i.e. 10"
::= { vsExEntry 1 }
vsExID OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The Identifier for this blade"
::= { vsExEntry 2 }
vsExDescr OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A short description of the Blade, which is of
form BladeID:ProcessorSpeed example being UT300R2U:300"
::= { vsExEntry 3 }
vsExUpTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time in seconds since this blade is up and running"
::= { vsExEntry 4 }
END
> 2009/9/2 Sharad Vasista <[email protected]>:
> > I have created a mib2c file for my Table using mib2c.create-dataset.conf
>
>
> > Here the mib2c created function netsnmp_table_set_multi_add_default_row(...)
> > is present, as well as a handler named mteEvent*Table_handler(.....)
> > But there is no implementation , just a return value as "return
> > SNMP_ERR_NOERROR;" within the handler definition body.
>
> The point about the 'dataset' helper is that almost all of the processing
> is done by the helper chain handlers. Values/rows are created via SET
> requests, and the individual values are supplied by the dataset helper
> itself. There's rarely any need for the user-supplied handler to do anything
> (and most dataset-based implementations might well omit the MIB-specific
> handler altogether).
>
> The downside is that working with individual column values is fairly
> cumbersome. That's one of the reasons why the disman/mteEvent*
> code you mention has been superceded by the disman/event/*
> implementation - which uses 'mib2c.table_data.conf' instead.
> This still uses the helper handler to determine which row of the
> table is required, but processes the columns of this row within the
> MIB-specific handler.
Thank you, I shall look and try to understand how the processing
takes place for GET works by regenerating mib2c files using
mib2c.table_data.conf
As I understand, for my custom Table handler, I would need to
1. Iterate through each request
2. Switch based on the column
3. Get the value for my table
4. Do a snmp_set_var_typed_value for that value.
(is there some step that I have missed to do ?)
> > How do I map this to the mib2c file created using mib2c.create-dataset.conf
> > . Basically I want to implement the custom handler for GET/ SET.
>
> The first question is - where will the data for this table come from?
> Presumably it won't be populated via SNMP SET requests (since the
> objects are defined as "read-only"). But you've deleted all of the
> descriptions, so it's impossible to tell what these objects might refer to.
>
> Dave
This data comes in from the BladeCenter kernel, which is why I had mentioned
read_only.
Query: If a new blade is added, how do I add a row for each new blade
Currently we have a linked list thats appended with a new node.
Does net snmp provide something by which a new linked list node results in a
new row being added to the table .
Thanks N Regards
Sharad
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