Dear Dave,
Thanx for such precious time for guiding.
i have really came across each direction you pointed and was able to understand
things much neatly than before i do.
just could not cleanly get one point of about "Handling SET requests"....
as scenario follows:
-----------------------------------------------------------------------
switch (reqinfo->mode) {
case MODE_GET:
{ "This Works Fine" };
case MODE_SET_RESERVE1:
{ "Still problem persists" };
-----------------------------------------------------------------------
Query:
By reading section 6 of the file 'AGENT.txt' i am still unable to make neat
sense and difference between RESERVE, RESERVE2 and ACTION....
can you please specify a simple example to make this sense of or do i have to
code for each of them and what will be the differences.
Thanking advance in anticipation.
Regards;
-zeeshan
--- On Mon, 2/2/09, Dave Shield <[email protected]> wrote:
From: Dave Shield <[email protected]>
Subject: Re: Parsing Get/Set Requests in Table_Handler
To: [email protected]
Cc: "net-snmp-users" <[email protected]>
Date: Monday, 2 February, 2009, 1:56 PM
2009/1/30 M. Zeeshan - IMS <[email protected]>:
> Required Scenairo/Psedocode:
>
> I want to parse the Get/Set requests inside the Table_Handler() registered
> via netsnmp_register_table_data_set();
>
>
> Table_Handler()
> {
> Queries:
> 2. Will this for loop on "requests", satisfy the purpose.
> for (; requests; requests = requests->next) {
You would be better off using a separate variable,
rather than meddling with the parameter value itself.
Try:
netsnmp_request req;
for ( req=requests; req; req=req->next ) {
(The effect is the same, but it's a somewhat cleaner approach)
> 1. How can i find the Row/Index in above handler.
netsnmp_table_request_info *tinfo = netsnmp_extract_table_info( request );:q
The field 'tinfo->indexes' is then the head of a varbind list,
containing the list of index values.
> 3. which mode or combination of modes i must use for SET
See section 6 of the file 'AGENT.txt' (in the source distribution,
or on the project web page). This describes the old UCD v4-style
module code, but the multi-pass processing of SET requests is
exactly the same.
> 1. I used mib2c.create-dataset.conf for code generation, did i chose right
> one or i may have used mib2c.iterate.conf.
There is no single "right one" - it all depends on the
characteristics of
your table, and exactly what you want to do.
The main characteristic of the table_data_set framework is that it
deals with handling the GET and SET value processing automatically.
You don't actually need a table-specific handler routine at all (unless
you
want to interact with another underlying subsystem). This is ideal for
self-contained MIB tables - one that are purely used within the agent itself.
See the project FAQ for a brief comparison of the various table helpers.
Dave
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