Re: [SNMP4J] Need help fro broadcasting messg

[Vijay]

hello  any one

here what i trying i think i m in right way but i getting any null responses so can plz help to do broadcasting

thanks
Vijay
class snmp_broadcast
{
   public static void main(String[] args)
   {
       try
       {
       System.out.println("Hello World!");

       InetAddress host = InetAddress.getByName("localhost");
       UdpAddress targetAddress = new UdpAddress(host,161);

TransportMapping transport = new DefaultUdpTransportMapping();

       Snmp snmp = new Snmp(transport);

        // setting up target
   CommunityTarget target = new CommunityTarget();
   target.setCommunity(new OctetString("public"));
   target.setAddress(targetAddress);
   target.setRetries(2);
   target.setTimeout(1500);
   target.setVersion(SnmpConstants.version1);
   // creating PDU
   PDU pdu = new PDU();
   pdu.add(new VariableBinding(new OID(new int[] {1,3,6,1,2,1,1,1})));
   pdu.add(new VariableBinding(new OID(new int[] {1,3,6,1,2,1,1,2})));
   pdu.setType(PDU.GETNEXT);

   //MessageDispatcher ms ;        // = new MessageDispatcher();
   DefaultTcpTransportMapping trans = new DefaultTcpTransportMapping();
   MessageDispatcherImpl msg = new MessageDispatcherImpl();
   int messageProcessingModel = 3;
   int securityModel = 1;
   String s = "principal";

   byte[] securityName = s.getBytes();
   int securityLevel = 1;
   PduHandle pduhandle = new PduHandle();
   int maxSizeResponseScopedPDU = 5;
   StateReference state = new StateReference();

CommandResponderEvent event = new CommandResponderEvent(msg,trans,targetAddress,messageProcessingModel,securityModel,securityName,securityLevel,pduhandle,pdu,maxSizeResponseScopedPDU,state);

     // sending request

   ResponseListener listener = new ResponseListener() {
     public void onResponse(ResponseEvent event) {

((Snmp)event.getSource()).cancel(event.getRequest(), this); System.out.println("Received response PDU is: "+event.getResponse());

     }
   };
       // Always cancel async request when response has been received
       // otherwise a memory leak is created! Not canceling a request
       // immediately can be useful when sending a request to a broadcast
       // address.
             snmp.sendPDU(pdu, target, null, listener);
       System.out.println("Response"+listener);

snmp.processPdu(event); //here something that i found in snmp core class

       }
       catch(IOException e)
       {
           System.out.println("Ha Ha Ha Ha Error"+e);
       }
   }
}

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