[SNMP4J] snmp4j threads

[Frank Fock]

Hi Matthieu,

A pool is IMHO not necessary. A single Snmp instance is
sufficient in most cases.

Best regards,
Frank

Matthieu Casanova wrote:
> Hi, about reusing snmp, do you think it would be possible (and a good 
> idea to create a kind of snmp pool like thread pool ?)
> 
> Matthieu
> 
> 2006/4/3, Frank Fock < fock at agentpp.com <mailto:fock at agentpp.com>>:
> 
>     Hello,
> 
>     Please call Snmp.close() if you do not use a Snmp instance
>     any longer (although you should think about reusing it).
> 
>     Best regards,
>     Frank
> 
>     dvd at gazeta.pl <mailto:dvd at gazeta.pl> wrote:
>      > Hello,
>      > I've a questin concerning threads in snmp4j.
>      > The thing is, when I send synchronous message with snmp4j - there
>      > are being
>      > created 2 threads, which don't end ever.
>      > Each query generates 2 such threads. So, when I send 30 snmp queries
>      > to the
>      > network device, there 60 new threads are being created and not
>      > finished. (I
>      > see them in the windows proccess manager)
>      > What about 500 queries?
>      >
>      > Why is it so? (this situate exists when the device answers and
>     when not)
>      >
>      >
>      >
>      > --
>      > My samle code is here:
>      >
>      >  Address targetAddress = GenericAddress.parse("udp:127.0.0.1/8001
>     <http://127.0.0.1/8001>");
>      >
>      >   CommunityTarget target = new CommunityTarget();
>      >   target.setCommunity(new OctetString("public"));
>      >   target.setAddress(targetAddress);
>      >   target.setTimeout(200);
>      >   target.setRetries(2);
>      >   target.setVersion(SnmpConstants.version2c );
>      >
>      >   TransportMapping transport;
>      >   transport= new DefaultUdpTransportMapping();
>      >   transport.listen();
>      >   Snmp snmp;
>      >   snmp = new Snmp(transport);
>      >
>      >  String tmp="";
>      >
>      >   PDU pdu = new PDU();
>      >       pdu.add(new VariableBinding(new OID("1.3.6.1.2.1.1.1.0")));
>      >       pdu.setType(PDU.GET);
>      >
>      >    ResponseEvent response = snmp.send(pdu, target);
>      >    if(response==null) throw new IOException();
>      >
>      >    tmp=response.getResponse().get(0).getVariable().toString();
>      >    System.out.println(tmp);
>      >
>      >
>      >
>      > ---
>      > Regards,
>      > Telc
>      >
>      >
>      >
>      >
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> 
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> 

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