[SNMP4J] Implementing RFC 1213

[Larson, Michelle R]

Frank-

I'm thinking I want to implement a timer that periodically checks the
table to see if any of the rows are invalid and remove them.  But I'm
worried about threading issues.  I was planning to call remove on the
DefaultMOTable for my ipTable, but that class doesn't appear to be
synchronized, so what happens if I try to remove a row at the same time
I'm adding one?  What is your recommendation for dealing with such
concurrency issues?

Thanks again for your input!

Michelle Larson

-----Original Message-----
From: Frank Fock [mailto:fock at agentpp.com] 
Sent: Tuesday, August 19, 2008 12:12 AM
To: Larson, Michelle R
Cc: SNMP4J at agentpp.org
Subject: Re: [SNMP4J] Implementing RFC 1213

Hi Michelle,

You can also remove rows on events on any other columnar object of that
or any other table/scalar of the agent.

If you do so, please make sure that the row removal takes place in the
*commit* or *cleanup* phase.

BTW, RFC1213 is obsolete. Use IP-MIB (RFC4293) instead.

Best regards,
Frank

Larson, Michelle R wrote:
> Hi-
>     I'm using SNMP4J-Agent version 1.1.3 and I'm trying to implement 
> RFC 1213.  The problem I'm having is in the ipRouteTable.  The RFC 
> description says that if the ipRouteType is set to invalid, then the 
> agent has the option of removing that row from the table.  How would I

> go about implementing that in my agent?  It appears the SNMP4J-Agent 
> only allows me to remove rows if they have a RowStatus field, but this

> table does not have that.  I tried removing the row once I get a 
> rowChanged notification, but that seems to cause null pointer 
> exceptions and the agent cannot finish the command to invalidate the
row.
> 
> Any input would be appreciated.
> 
> Thank-you!
> 
> Michelle Larson
> Boeing
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> SNMP4J at agentpp.org
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