[SNMP4J] detect timeout ?

[FLORENT Philippe]

What if I get an empty table ?

How to differentiate a timeout with a table that should actually be empty

-----Original Message-----
From: SNMP4J [mailto:snmp4j-bounces at agentpp.org] On Behalf Of Frank Fock
Sent: jeudi 27 octobre 2016 00:51
To: snmp4j at agentpp.org
Subject: Re: [SNMP4J] detect timeout ?

Hi Philippe,

The (last) TableEvent object will indicate the timeout in its status field.

Best regards,
Frank

Am 26.10.2016 um 15:05 schrieb FLORENT Philippe:
> Hi,
>
> I use this function to read infos on my host,
>
> But if the host (or the snmp service) is down, how do I detect it ?
>
> So far I check the table size must be >0 but what if table is 0 size and the host is not down ?
>
> thanks
>
> public ArrayList<TableRow> getTable(Mib mib)
>      {
>          final PDUFactory pduFactory = new DefaultPDUFactory(PDU.GETBULK);
>          pduFactory.createPDU(target);
>          final TableUtils utils = new TableUtils(snmp, pduFactory);
>          List<TableEvent> table = utils.getTable(target, new OID[]{ new OID(mib.oid) }, null, null);
>          for(TableEvent a:table)
>          {
>              if(a.getColumns()!=null)
>              {
> ....
>              }
>          }
>     }
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