Fwd: vp->magic and OID passed by snmpd

Sincere Apologies..
I copied the wrong error in my last mail..

I error I get is:
RFC1155-SMI::enterprises.6305.1.10.1.2.1.2.18.1.1.1 = No Such Instance
currently exists at this OID

---------- Forwarded message ----------
From: Shivani Garg <[email protected]>
Date: Jun 21, 2007 4:35 PM
Subject: vp->magic and OID passed by snmpd
To: [email protected],
[email protected]


Greetings to all.

I am using the code generated by mib2c for my MIB file. It contains an array
like this.. :

*oid systemInfo_variables_oid[] = { 1, 3, 6, 1, 4, 1, 6305, 1, 10, 1, 2, 1
};*
*struct variable7 systemInfo_variables[] = {*
*.*
*.*
*.*
*/* Out of all the elements of array, one is below, pasting only relevant
code here */*

*#define OVERALLDISKOCCUPANCYINKB  276*

*    {OVERALLDISKOCCUPANCYINKB, ASN_UNSIGNED, RONLY,
   var_systemDiskStatsNotfyAttrTable, 4, {2, 18, 1, 1}},*

*.*

*.*

*.*

*}*



When I fire a snmpget for OID 1.3.6.1.4.1.6305.1.10.1.2.1.2.18.1.1.1, I get
an error like this:

RFC1155-SMI::enterprises.6305.1.10.1.2.1.2.18.1.2.1 = No Such Instance
currently exists at this OID

In my function, when I print OID and vp->magic, OID passed is correct
whereas vp->magic is not 276 and hence the relevant case for the switch
statement is not hit. snmpd calls var_systemDiskStatsNotfyAttrTable with
incorrect vp->magic. Any anyone give me some pointers on this... I have
copied the relevant code below:

*/*
 * var_systemDiskStatsNotfyAttrTable():
 *   Handle this table separately from the scalar value case.
 *   The workings of this are basically the same as for var_systemInfo
above.
 */
unsigned char *
var_systemDiskStatsNotfyAttrTable (struct variable *vp,
       oid * name,
       size_t * length,
       int exact,
       size_t * var_len,
       WriteMethod ** write_method)
{
.*

*.*

*switch (vp->magic)
     {
     case OVERALLDISKOCCUPANCYINKB:
          VAR = (int*)&p_resp->overall_disk_occupancy; /* XXX **

*     default:*

*        ERROR_MSG(" ");*

*      }*

*.*

*.*

*}*

Thanks a lot in advance for your help.

Shivani

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