[AGENT++] Processing errors for multiple varbinds in SNMP req uest

[Rajesh Semwal]

Frank,

Thanks for your reply.
I raised this question because I noticed that in the case of SNMP-Get
request, the function <void MibLeaf::get_request()> is used to fetch the
required value into the SNMP response PDU. Since it returns void, there is
no way to let the caller know of any error(like NO_ACCESS) encountered while
fetching the value. Moreover, the MibLeaf::get_request() method also sets
the error_status and error_index field in SNMP response PDU in case of an
error. Therefore even if there was an error encountered before, the caller
will keep processing all the varbinds in request and thus overwriting the
error fields of SNMP reponse PDU with the latest values, in case of multiple
errors.

Please let me know if I misunderstood the code.

Thanks,
Rajesh


-----Original Message-----
From: agentpp-admin at agentpp.org [mailto:agentpp-admin at agentpp.org] On Behalf
Of Frank Fock
Sent: Thursday, November 13, 2003 4:11 PM
To: Rajesh Semwal
Cc: 'agentpp at agentpp.org'
Subject: Re: [AGENT++] Processing errors for multiple varbinds in SNMP
request

Rajesh,

the processing of a request will be finished when the first error is 
encountered,
thus AGENT++ always reports the first error it detects.

Best regards,
Frank

Rajesh Semwal wrote:

>Hi,
>
> 
>
>I have a question about the SNMP agent's behaviour when it encounters
>multiple errors while processing any SNMP request from the manager. 
>
> 
>
>When the agent encounters any error while processing a varbind from the
SNMP
>request, it sets the error_status and error_index field of SNMP response
PDU
>with the respective error number and the index number of the varbind
>respectively.  If the agent again encounters error while processing the
rest
>of the varbinds in the same SNMP request, should it update the error_status
>and error_index fields of the SNMP response with newly encountered errors?
>If yes, this may mean that SNMP Response PDU always reports the last error
>encountered while processing the SNMP request.
>
> 
>
>Thanks,
>
>Rajesh
>
>
>  
>



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