Re: Doubt regarding IF-MIB

Hi Dave,

But In below function and other similar function,

data are not access from below Pointer but try to access the other
element of "fTable_data data;" which are commented.

/ * some data kept externally
*/
netsnmp_interface_entry *ifentry;

int

ifMtu_get(ifTable_rowreq_ctx * rowreq_ctx, long *ifMtu_val_ptr)

{

/** we should have a non-NULL pointer */

netsnmp_assert(NULL != ifMtu_val_ptr);

DEBUGMSGTL(("verbose:ifTable:ifMtu_get", "called\n"));

netsnmp_assert(NULL != rowreq_ctx);

/*

* TODO:231:o: |-> Extract the current value of the ifMtu data.

* copy (* ifMtu_val_ptr ) from rowreq_ctx->data

*/

(*ifMtu_val_ptr) =
rowreq_ctx->data.ifMtu; /*my doubt is here and in other similar
function in

"if-mib/ifTable/ifTable.c" */

return MFD_SUCCESS;

} /* ifMtu_get */

Rgds,

Sanjay

Dave Shield wrote:

2010/1/19 sanjaykumar <[email protected]> :

I have a doubt regarding IF-MIB.
As I found that We get the data for if Table
from structure "ifTable_data data;" an member of structure
"ifTable_rowreq_ctx * rowreq_ctx"
but what I observe that most of the member of structure
"ifTable_data data; "has been commented .
Then How does the If Table is getting updated ?

>From the final field of the ifTable_data structure:

/*
* some data kept externally
*/
netsnmp_interface_entry *ifentry;

This structure is defined in the header file <net-snmp/data_access/interface.h>
and populated by the routines under if-mib/data_access

Dave

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