Java PDU.REPORT属性代码示例

/**
 * TODO: Merge this logic with {@link Snmp4JWalker.Snmp4JResponseListener#processResponse(PDU response)}
 */
private static SnmpValue[] processResponse(Snmp4JAgentConfig agentConfig, ResponseEvent responseEvent) throws IOException {
    SnmpValue[] retvalues = { null };

    if (responseEvent.getResponse() == null) {
        log().warn("processResponse: Timeout.  Agent: "+agentConfig);
    } else if (responseEvent.getError() != null) {
        log().warn("processResponse: Error during get operation.  Error: "+responseEvent.getError().getLocalizedMessage(), responseEvent.getError());
    } else if (responseEvent.getResponse().getType() == PDU.REPORT) {
        log().warn("processResponse: Error during get operation.  Report returned with varbinds: "+responseEvent.getResponse().getVariableBindings());
    } else if (responseEvent.getResponse().getVariableBindings().size() < 1) {
        log().warn("processResponse: Received PDU with 0 varbinds.");
    } else if (responseEvent.getResponse().get(0).getSyntax() == SMIConstants.SYNTAX_NULL) {
        log().info("processResponse: Null value returned in varbind: " + responseEvent.getResponse().get(0));
    } else {
        retvalues = convertResponseToValues(responseEvent);

        if (log().isDebugEnabled()) {
            log().debug("processResponse: SNMP operation successful, value: "+Arrays.toString(retvalues));
        }
    }

    return retvalues;
}
 

private void processResponse(PDU response) {
    try {
        if (log().isDebugEnabled()) {
            log().debug("Received a tracker PDU of type "+PDU.getTypeString(response.getType())+" from "+getAddress()+" of size "+response.size()+", errorStatus = "+response.getErrorStatus()+", errorStatusText = "+response.getErrorStatusText()+", errorIndex = "+response.getErrorIndex());
        }
        if (response.getType() == PDU.REPORT) {
            handleAuthError("A REPORT PDU was returned from the agent.  This is most likely an authentication problem.  Please check the config");
        } else {
            if (!processErrors(response.getErrorStatus(), response.getErrorIndex())) {
                if (response.size() == 0) { // NMS-6484
                    handleError("A PDU with no errors and 0 varbinds was returned from the agent at " + getAddress() + ". This seems to be related with a broken SNMP agent.");
                } else {
                    for (int i = 0; i < response.size(); i++) {
                        VariableBinding vb = response.get(i);
                        SnmpObjId receivedOid = SnmpObjId.get(vb.getOid().getValue());
                        SnmpValue val = new Snmp4JValue(vb.getVariable());
                        Snmp4JWalker.this.processResponse(receivedOid, val);
                    }
                }
            }
            buildAndSendNextPdu();
        }
    } catch (Throwable e) {
        handleFatalError(e);
    }
}
 

public void processPdu(CommandResponderEvent event) {
    PDU pdu = event.getPDU();
    // check PDU not null
    if (pdu != null) {
        // check for INFORM
        // code take from the book "Essential SNMP"
        if ((pdu.getType() != PDU.TRAP) && (pdu.getType() != PDU.V1TRAP) && (pdu.getType() != PDU.REPORT)
            && (pdu.getType() != PDU.RESPONSE)) {
            // first response the inform-message and then process the
            // message
            pdu.setErrorIndex(0);
            pdu.setErrorStatus(0);
            pdu.setType(PDU.RESPONSE);
            StatusInformation statusInformation = new StatusInformation();
            StateReference ref = event.getStateReference();
            try {
                event.getMessageDispatcher().returnResponsePdu(event.getMessageProcessingModel(),
                                                               event.getSecurityModel(),
                                                               event.getSecurityName(),
                                                               event.getSecurityLevel(), pdu,
                                                               event.getMaxSizeResponsePDU(), ref,
                                                               statusInformation);
                if (LOG.isDebugEnabled()) {
                    LOG.debug("response to INFORM sent");
                }
            } catch (MessageException ex) {
                getExceptionHandler().handleException(ex);
            }
        }
        processPDU(pdu, event);
    } else {
        LOG.debug("Received invalid trap PDU: " + pdu);
    }
}
 

/**
 * This method will be called whenever a pdu is received on the given port specified in the listen() method
 */
public synchronized void processPdu(CommandResponderEvent cmdRespEvent)
{
  System.out.println("Received PDU...");
  PDU pdu = cmdRespEvent.getPDU();
  if (pdu != null)
  {

    System.out.println("Trap Type = " + pdu.getType());
    System.out.println("Variable Bindings = " + pdu.getVariableBindings());
    int pduType = pdu.getType();
    if ((pduType != PDU.TRAP) && (pduType != PDU.V1TRAP) && (pduType != PDU.REPORT)
    && (pduType != PDU.RESPONSE))
    {
      pdu.setErrorIndex(0);
      pdu.setErrorStatus(0);
      pdu.setType(PDU.RESPONSE);
      StatusInformation statusInformation = new StatusInformation();
      StateReference ref = cmdRespEvent.getStateReference();
      try
      {
        System.out.println(cmdRespEvent.getPDU());
        cmdRespEvent.getMessageDispatcher().returnResponsePdu(cmdRespEvent.getMessageProcessingModel(),
        cmdRespEvent.getSecurityModel(), cmdRespEvent.getSecurityName(), cmdRespEvent.getSecurityLevel(),
        pdu, cmdRespEvent.getMaxSizeResponsePDU(), ref, statusInformation);
      }
      catch (MessageException ex)
      {
        System.err.println("Error while sending response: " + ex.getMessage());
        LogFactory.getLogger(SnmpRequest.class).error(ex);
      }
    }
  }
}
 

/**
 * @param command
 * @return
 */
private boolean isRequestPDU(PDU command) {
    return (command.getType() != PDU.TRAP) &&
            (command.getType() != PDU.V1TRAP) &&
            (command.getType() != PDU.REPORT) &&
            (command.getType() != PDU.RESPONSE);
}