Java PDU.INFORM属性代码示例

/**
 * @param request
 * @return
 */
private PDU processRequest(PDU request) {
    if (!isRequestPDU(request)) return null;
    
    switch(request.getType()) {
    case PDU.GET:
        return processGet(request);
    case PDU.GETNEXT:
        return processGetNext(request);
    case PDU.GETBULK:
        return processGetBulk(request);
    case PDU.SET:
        return processSet(request);
    case PDU.INFORM:
        return processInform(request);
    default:
        return processUnhandled(request);
    }
    
}
 

private Snmp4jNotification newNotification(CommandResponderEvent event,
    SnmpTarget target, VarbindCollection varbinds) {
  switch (event.getPDU().getType()) {
    case PDU.V1TRAP:
      Snmp4jV1Trap trap = new Snmp4jV1Trap(target, varbinds);
      PDUv1 pdu = (PDUv1) event.getPDU();
      trap.setEnterprise(pdu.getEnterprise().toString());
      trap.setAgentAddress(pdu.getAgentAddress().toString());
      MibTrapV1Support trapSupport = varbindFactory.getMib()
          .getV1TrapSupport();
      trap.setGenericType(new ImmutableObjectValue(SMIConstants.SYNTAX_INTEGER,
          pdu.getGenericTrap(), trapSupport.getGenericTrapFormatter()));
      trap.setSpecificType(new ImmutableObjectValue(SMIConstants.SYNTAX_INTEGER,
          pdu.getSpecificTrap(), trapSupport.getSpecificTrapFormatter()));
      trap.setTimestamp(new ImmutableObjectValue(SMIConstants.SYNTAX_TIMETICKS,
          pdu.getTimestamp(), trapSupport.getTimestampFormatter()));
      return trap;
    case PDU.INFORM:
      return new Snmp4jNotification(SnmpNotification.Type.INFORM, target,
          varbinds);
    case PDU.TRAP:
      return new Snmp4jNotification(SnmpNotification.Type.TRAP, target,
          varbinds);
    default:
      throw new IllegalArgumentException("unrecognized PDU type");
  }
}
 

protected void validate() {
	int pduType = getPdu().getType();
    if (pduType != PDU.TRAP && pduType != PDU.INFORM) {
        throw new IllegalArgumentException("Received not SNMPv2 Trap|Inform from host " + getTrapAddress() + " PDU Type = " + PDU.getTypeString(getPdu().getType()));
    }
    
    if (log().isDebugEnabled()) {
        log().debug("V2 "+m_pduTypeString+" numVars or pdu length: " + getPduLength());
    }
    
    if (getPduLength() < 2) {
        throw new IllegalArgumentException("V2 "+m_pduTypeString+" from " + getTrapAddress() + " IGNORED due to not having the required varbinds.  Have " + getPduLength() + ", needed at least 2");
    }
    
    OID varBindName0 = getVarBindAt(0).getOid();
    OID varBindName1 = getVarBindAt(1).getOid();

    /*
     * Modify the sysUpTime varbind OID to add the trailing 0 if it is
     * missing, which is seen with some Extreme equipment.
     */
    if (varBindName0.equals(EXTREME_SNMP_SYSUPTIME_OID)) {
        log().info("V2 "+m_pduTypeString+" from " + getTrapAddress() + " has been corrected due to the sysUptime.0 varbind not having been sent with a trailing 0.\n\tVarbinds received are : " + varBindName0 + " and " + varBindName1);
        varBindName0 = SNMP_SYSUPTIME_OID;
    }
    
    /*
     * Confirm that the two required varbinds (sysUpTime and
     * snmpTrapOID) are present and in that order.
     */
    if ((!(varBindName0.equals(SNMP_SYSUPTIME_OID))) || (!(varBindName1.equals(SNMP_TRAP_OID)))) {
        throw new IllegalArgumentException("V2 "+m_pduTypeString+" from " + getTrapAddress() + " IGNORED due to not having the required varbinds.\n\tThe first varbind must be sysUpTime.0 and the second snmpTrapOID.0\n\tVarbinds received are : " + varBindName0 + " and " + varBindName1);
    }
}
 

@Override
public void processPdu(CommandResponderEvent e) {
	PDU command = new PDU(e.getPDU());
    IpAddress addr = ((IpAddress)e.getPeerAddress());
    
    if (command != null) {
    	if (command.getType() == PDU.INFORM) {
    		PDU response = new PDU(command);
    		response.setErrorIndex(0);
    		response.setErrorStatus(0);
    		response.setType(PDU.RESPONSE);
    		StatusInformation statusInformation = new StatusInformation();
    		StateReference ref = e.getStateReference();
    		try {
    			e.getMessageDispatcher().returnResponsePdu(e.getMessageProcessingModel(),
    														e.getSecurityModel(),
    														e.getSecurityName(),
    														e.getSecurityLevel(),
    														response,
    														e.getMaxSizeResponsePDU(),
    														ref,
    														statusInformation);
    			if (log().isDebugEnabled()) {
    				log().debug("Sent RESPONSE PDU to peer " + addr + " acknowledging receipt of INFORM (reqId=" + command.getRequestID() + ")");
    			}
    		} catch (MessageException ex) {
    			log().error("Error while sending RESPONSE PDU to peer " + addr + ": " + ex.getMessage() + "acknowledging receipt of INFORM (reqId=" + command.getRequestID() + ")");
    		}
    	}
    }
    
    if (e.getPDU() instanceof PDUv1) {
        m_listener.trapReceived(new Snmp4JV1TrapInformation(addr.getInetAddress(), new String(e.getSecurityName()), (PDUv1)e.getPDU(), m_trapProcessorFactory.createTrapProcessor()));
    } else {
        m_listener.trapReceived(new Snmp4JV2TrapInformation(addr.getInetAddress(), new String(e.getSecurityName()), e.getPDU(), m_trapProcessorFactory.createTrapProcessor()));
    }
}
 

protected Snmp4JV2InformBuilder(Snmp4JStrategy strategy) {
    super(strategy, new PDU(), PDU.INFORM);
}