Пример #1
0
 private SnmpOidValuePair outputResponse(VariableBinding vb) {
   SnmpOidValuePair oidval = new SnmpOidValuePair();
   oidval.oid = vb.getOid().toString();
   oidval.value_str = vb.getVariable().toString();
   if (m_snmpResponseHandler != null) {
     m_snmpResponseHandler.responseReceived(oidval);
   }
   return oidval;
 }
 /**
  * Method which takes a single OID and returns the response from the agent as a String.
  *
  * @param oid
  * @return
  * @throws IOException
  */
 public String getAsString(OID... oid) throws IOException {
   //        ResponseEvent event = get(new OID[]{oid});
   //        return event.getResponse().get(0).getVariable().toString();
   ResponseEvent event = get(oid);
   PDU response = event.getResponse();
   int size = oid.length;
   //        VariableBinding variableBinding=response.get(0);
   //        Variable variable=variableBinding.getVariable();
   //        String varStirng=variable.toString();
   //        return varStirng;
   StringBuilder builder = new StringBuilder();
   for (int i = 0; i < size; i++) {
     VariableBinding variableBinding = response.get(i);
     Variable variable = variableBinding.getVariable();
     String varStirng = variable.toString();
     String oi = variableBinding.getOid().toString();
     builder.append("oid: ").append(oi).append(" var: ").append(varStirng).append("\n");
   }
   return builder.toString();
 }
Пример #3
0
 private boolean processWalk(PDU response, PDU request, OID rootOID) throws SnmpException {
   if ((response == null)
       || (response.getErrorStatus() != 0)
       || (response.getType() == PDU.REPORT)) {
     return true;
   }
   boolean finished = false;
   OID lastOID = request.get(0).getOid();
   for (int i = 0; (!finished) && (i < response.size()); i++) {
     VariableBinding vb = response.get(i);
     if ((vb.getOid() == null)
         || (vb.getOid().size() < rootOID.size())
         || (rootOID.leftMostCompare(rootOID.size(), vb.getOid()) != 0)) {
       finished = true;
     } else if (Null.isExceptionSyntax(vb.getVariable().getSyntax())) {
       outputResponse(vb);
       finished = true;
     } else if (vb.getOid().compareTo(lastOID) <= 0) {
       throw new SnmpException(
           "Variable received is not lexicographic successor of requested one:"
               + vb.toString()
               + " <= "
               + lastOID);
     } else {
       outputResponse(vb);
       lastOID = vb.getOid();
     }
   }
   if (response.size() == 0) {
     finished = true;
   }
   if (!finished) {
     VariableBinding next = response.get(response.size() - 1);
     next.setVariable(new Null());
     request.set(0, next);
     request.setRequestID(new Integer32(0));
   }
   return finished;
 }
Пример #4
0
  /**
   * Read a variable saved into @DriverConfiguration object
   *
   * @param propertyConfiguration driver configuration object
   * @throws GenericException if configuration fatal error
   */
  @Override
  public void readValue(DriverConfiguration propertyConfiguration) throws GenericException {
    try {
      ResponseEvent response = snmpGet(String.valueOf(propertyConfiguration.getValue()));
      if (response != null) {
        if (log.isDebugEnabled()) {
          log.debug("Got Snmp Get Response from Agent");
        }
        PDU responsePDU = response.getResponse();

        if (responsePDU != null) {
          int errorStatus = responsePDU.getErrorStatus();

          if (errorStatus == PDU.noError) {
            Vector<? extends VariableBinding> variableBindings = responsePDU.getVariableBindings();
            if (log.isDebugEnabled()) {
              log.debug(String.format("Snmp Get Response = %s", variableBindings));
            }
            VariableBinding variableBinding = variableBindings.get(0);
            Variable variable = variableBinding.getVariable();
            Object value = convert(variable, getValueType(variable));
            setValue(propertyConfiguration, value);
          } else {
            notifyResponse(response, propertyConfiguration.getName());
          }
        } else {
          if (log.isDebugEnabled()) {
            log.debug("Error: Response PDU is null");
          }
        }
      } else {
        notifyResponse(response, propertyConfiguration.getName());
      }
    } catch (Exception e) {
      throw new GenericException(e);
    }
  }