Re: Strange error in test program...

Hi Dave,

Thanks again for your response.


On Tue, Apr 8, 2008 at 2:51 PM, Dave Shield <D.T.Shield@liverpool.ac.uk> wrote:
> You need to update the 'if_oid' buffer with the OID from this response.
>
> At the moment, you're asking for the same OID every time.

Yes, I thought so, but all attempts were without result. Here's what I
thought I should do:

---
// Update OID
memmove(if_oid, resp->variables->name, resp->variables->name_length);
if_oid_len = resp->variables->name_length;
---

However, still no result.

I take it that the response PDU contains the oid with which I should
update the 'old' one?

The total 'walk' looks like:

----------------------
// Get starting object: 'IF-MIB::ifPhysAddress.*'
read_objid("IF-MIB::ifPhysAddress", if_oid, &if_oid_len);

// Walk the list of IF-MIB::ifPhysAddress.x
for (i = 0; i < 10; i++) {
// Create a PDU (SNMP packet)
req = snmp_pdu_create(SNMP_MSG_GETNEXT);
snmp_add_null_var(req, if_oid, if_oid_len);

// Send request PDU
ret = snmp_synch_response(sess_h, req, &resp);
if (ret != STAT_SUCCESS || resp->errstat != SNMP_ERR_NOERROR)
goto out_snmp_synch_response;

// Update OID
memmove(if_oid, resp->variables->name, resp->variables->name_length);
if_oid_len = resp->variables->name_length;

// DEBUG
print_variable(resp->variables->name, resp->variables->name_length,
resp->variables);

// Free response PDU
if (resp)
snmp_free_pdu(resp);
}
-----------------------

-Kris

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