Thanks Dave... The issue is solved.
The change implemented is as below.
case snmp_Type_ObjectId :
{
vp->type = snmp_Type_ObjectId;
std::vector<long> varrowid;
varrowid.clear();
varrowid = BuildOid( strRetValue ); //BuildOid will return a vector
with only OIDs, removing the dot (.).
vector<long>::iterator it;
int i=0;
for ( it=varrowid.begin(); it < varrowid.end(); it++, i++ )
{
var_oid [i] =(oid) *it; // var_oid is a global array of
oid datatype.
}
*var_len = (int) (varrowid.size()*sizeof(netsnmp_oid));
return (u_char *)var_oid;
}
Thanks again.
-Ragesh
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf
Of Dave Shield
Sent: Friday, February 27, 2009 3:51 PM
To: Ragesh V
Cc: [email protected]
Subject: Re: SNMP Agent response time
2009/2/27 Ragesh V <[email protected]>:
>
> The code which handles getNext is as below......
> case snmp_Type_ObjectId :
> {
> vp->type = snmp_Type_ObjectId;
> if (!strRetValue.empty ())
> {
> *var_len = (int) 14;
> return (u_char *)strRetValue.c_str();
> }
> }
The value returned for a MIB object of syntax ASN_OBJECT_ID
should be of type "oid[]" (not a string), and the 'var_len' field
should be the size of this (in bytes, not subidentifiers).
I strongly suspect that you probably need to do something with
'strRetValue.c_str() to ensure it is an array of 'oid' values.
And if this always contains 14 subidentifiers, then you also need
*var_len = 14 * sizeof(oid);
Dave
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