Java OctetString类代码示例

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * Helper method that initializes the snmp target to listening mode. This
 * method is explicitly for V1 and V2 messages. This method will create and
 * set up the TransportMapping and target for SNMP V1 and V2. It creates a
 * TransportMapping and puts it in the listening mode. Also Creates
 * CommunityTarget object and sets SNMP target properties.
 *
 * @param communityName
 *            Community name of the target
 * @param targetIP
 *            IP address of Target machine
 * @param portNumber
 *            Port number
 * @return The Target created
 * @throws IOException
 *             IOException
 */
private Target setUpTarget( final String communityName, final String targetIP, final int portNumber )
        throws IOException
{
    final InetAddress inetAddress = InetAddress.getByName( targetIP );
    final Address address = new UdpAddress( inetAddress, portNumber );
    final OctetString community = new OctetString( communityName );
    final TransportMapping transport = new DefaultUdpTransportMapping();
    snmp = new Snmp( transport );
    snmp.listen();

    // Creating the communityTarget object and setting its properties
    final CommunityTarget communityTarget = new CommunityTarget();
    communityTarget.setCommunity( community );
    // TODO Needs to check also for v2 messages
    communityTarget.setVersion( SnmpConstants.version1 );
    communityTarget.setAddress( address );
    // TODO Need to confirm, whether this value needs to be configures
    communityTarget.setRetries( SnmpManager.DEFAULT_RETRIES );
    // TODO Need to confirm, whether this value needs to be configures
    communityTarget.setTimeout( SnmpManager.DEFAULT_TIMEOUT );
    return communityTarget;
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
public static void main(String[] args) throws IOException, InterruptedException {
    Snmp snmp = new Snmp(new DefaultUdpTransportMapping());
    snmp.listen();

    CommunityTarget target = new CommunityTarget();
    target.setCommunity(new OctetString("public"));
    target.setVersion(SnmpConstants.version2c);
    target.setAddress(new UdpAddress("23.23.52.11/161"));
    target.setTimeout(3000);    //3s
    target.setRetries(1);

    PDU pdu = new PDU();
    pdu.setType(PDU.GETBULK);
    pdu.setMaxRepetitions(1); 
    pdu.setNonRepeaters(0);
    VariableBinding[] array = {new VariableBinding(new OID("1.3.6.1.4.1.2000.1.2.5.1.3")),
                               new VariableBinding(new OID("1.3.6.1.4.1.2000.1.3.1.1.7")),
                               new VariableBinding(new OID("1.3.6.1.4.1.2000.1.3.1.1.10")),
                               new VariableBinding(new OID("1.3.6.1.4.1.2000.1.2.5.1.19"))};
    pdu.addAll(array);

    //pdu.add(new VariableBinding(new OID("1.3.6.1.4.1.2000.1.2.5.1.3"))); 

    ResponseEvent responseEvent = snmp.send(pdu, target);
    PDU response = responseEvent.getResponse();

    if (response == null) {
	    System.out.println("TimeOut...");
    } else {
	    if (response.getErrorStatus() == PDU.noError) {
               Vector<? extends VariableBinding> vbs = response.getVariableBindings();
               for (VariableBinding vb : vbs) {
                   System.out.println(vb.getVariable().toString());
	        }
	    } else {
	        System.out.println("Error:" + response.getErrorStatusText());
	    }
    }
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * Send next-in-line trap from queue to to SNMP server
 */
public void sendTrap() {
	
	String trapVal = trapQueue.poll();
	if (trapVal == null) {
		return;
	}

	try {
		PDUv1 trapPdu = createTrapPDU(trapVal);	    	
		DefaultUdpTransportMapping tm = new DefaultUdpTransportMapping();
		Snmp snmp = new Snmp(tm);
		tm.listen();
		OctetString community = new OctetString(SNMP_XAP_COMMUNITY);
		Address add = GenericAddress.parse("udp" + ":" + snmpServerIP + "/" + snmpServerPort);
		CommunityTarget target = new CommunityTarget(add, community);
		target.setVersion(SnmpConstants.version1);
		target.setRetries(0);
		target.setTimeout(5000);		
		snmp.send(trapPdu, target);  
	} 
	catch (IOException e) {
		e.printStackTrace();
	} 
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * 向接收器发送Trap 信息
 * 
 * @throws IOException
 */
public void sendPDU() throws IOException {
	PDU pdu = new PDU();
	pdu.add(new VariableBinding(
			new OID(".1.3.6.1.2.1.1.1.0"),
			new OctetString("SNMP Trap Test.see more:http://www.micmiu.com")));
	pdu.add(new VariableBinding(SnmpConstants.sysUpTime, new TimeTicks(
			new UnsignedInteger32(System.currentTimeMillis() / 1000)
					.getValue())));
	pdu.add(new VariableBinding(SnmpConstants.snmpTrapOID, new OID(
			".1.3.6.1.6.3.1.1.4.3")));

	// 向Agent发送PDU
	pdu.setType(PDU.TRAP);
	snmp.send(pdu, target);
	System.out.println("----> Trap Send END <----");
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
public VariableBinding getMib(String strOid) {
  OID oid = new OID(strOid);

  DefaultMOContextScope scope =
    new DefaultMOContextScope(
      new OctetString(FILEMIB_CONTEXT),
      oid, true, oid.nextPeer(), false
    );

  ManagedObject mo = server.lookup(new DefaultMOQuery(scope, false));
  if (mo == null) {
    return null;
  }

  if (mo instanceof MutableStaticMOGroup) {
    return new VariableBinding(oid, ((MutableStaticMOGroup)mo).get(oid));
  }
  else {
    return null;
  }
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
public List<VariableBinding> walkMib(String strOid, int count) {
  OID oid = new OID(strOid);

  DefaultMOContextScope scope
    =  new DefaultMOContextScope(
         new OctetString(FILEMIB_CONTEXT),
         oid, true, oid.nextPeer(), false
       );

  ManagedObject mo = server.lookup(new DefaultMOQuery(scope, false));
  if (mo == null) {
    return new ArrayList<VariableBinding>(0);
  }

  if (mo instanceof MutableStaticMOGroup) {
    return ((MutableStaticMOGroup)mo).walk(oid, count);
  }
  else {
    return new ArrayList<VariableBinding>(0);
  }
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * Converts an SNMP string representation into a {@link Date} object,
 * and applies time zone conversion to provide the time on the local machine, ie PSM server.
 *
 * @param actAlarmDateAndTime MIB-II DateAndTime formatted. May optionally contain
 *                            a timezone offset in 3 extra bytes
 * @param sysInfoTimeZone     Must be supplied if actAlarmDateAndTime is just local time (with no timezone)
 * @param swVersion           Must be supplied if actAlarmDateAndTime is just local time (with no timezone)
 * @return adjusted {@link Date} or a simple conversion if other fields are null.
 */
public static Date getLocalDateAndTime(String actAlarmDateAndTime, String sysInfoTimeZone,
                                       String swVersion) {
    if (StringUtils.isBlank(actAlarmDateAndTime)) {
        return null;
    }

    GregorianCalendar decodedDateAndTimeCal = btiMakeCalendar(OctetString.fromHexString(actAlarmDateAndTime));
    if ((sysInfoTimeZone == null) || (swVersion == null)) {
        return decodedDateAndTimeCal.getTime();
    }

    TimeZone javaTimeZone = getTimeZone();
    decodedDateAndTimeCal.setTimeZone(javaTimeZone);

    GregorianCalendar localTime = new GregorianCalendar();
    localTime.setTimeInMillis(decodedDateAndTimeCal.getTimeInMillis());

    return localTime.getTime();
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * This method is similar to SNMP4J approach with some fixes for the 11-bytes version (ie the one with timezone
 * offset).
 * <p>
 * For original makeCalendar refer @see http://www.snmp4j.org/agent/doc/org/snmp4j/agent/mo/snmp/DateAndTime.html
 * <p>
 * Creates a <code>GregorianCalendar</code> from a properly formatted SNMP4J DateAndTime <code>OctetString</code>.
 *
 * @param dateAndTimeValue an OctetString conforming to the DateAndTime TC.
 * @return the corresponding <code>GregorianCalendar</code> instance.
 */
public static GregorianCalendar btiMakeCalendar(OctetString dateAndTimeValue) {
    int year = (dateAndTimeValue.get(0) & 0xFF) * 256
            + (dateAndTimeValue.get(1) & 0xFF);
    int month = (dateAndTimeValue.get(2) & 0xFF);
    int date = (dateAndTimeValue.get(3) & 0xFF);
    int hour = (dateAndTimeValue.get(4) & 0xFF);
    int minute = (dateAndTimeValue.get(5) & 0xFF);
    int second = (dateAndTimeValue.get(6) & 0xFF);
    int deci = (dateAndTimeValue.get(7) & 0xFF);
    GregorianCalendar gc =
            new GregorianCalendar(year, month - 1, date, hour, minute, second);
    gc.set(Calendar.MILLISECOND, deci * 100);

    if (dateAndTimeValue.length() == 11) {
        char directionOfOffset = (char) dateAndTimeValue.get(8);
        int hoursOffset = directionOfOffset == '+'
                ? dateAndTimeValue.get(9) : -dateAndTimeValue.get(9);
        org.joda.time.DateTimeZone offset =
                org.joda.time.DateTimeZone.forOffsetHoursMinutes(hoursOffset, dateAndTimeValue.get(10));
        org.joda.time.DateTime dt =
                new org.joda.time.DateTime(year, month, date, hour, minute, second, offset);
        return dt.toGregorianCalendar();
    }
    return gc;
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
* This method returns a Target, which contains information about
* where the data should be fetched and how.
* @return
*/
private Target getTarget() {
	if("3".equals(this.version))return getTargetV3();
	Address targetAddress = GenericAddress.parse(address);
	CommunityTarget target = new CommunityTarget();
	//logger.info("snmp version "+this.version+", community: "+this.community);
	if(this.community == null || this.community.isEmpty())
		target.setCommunity(new OctetString("public"));
	else 
		target.setCommunity(new OctetString(this.community));
	target.setAddress(targetAddress);
	target.setRetries(2);
	target.setTimeout(5000);
	target.setVersion(this.getVersionInt());
	return target;
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
private Target getTargetV3() {
	//logger.info("Use SNMP v3, "+this.privacyprotocol +"="+this.password+", "+this.privacyprotocol+"="+this.privacypassphrase);
	OID authOID = AuthMD5.ID;
	if("SHA".equals(this.authprotocol))
		authOID = AuthSHA.ID;
	OID privOID = PrivDES.ID;
	if(this.privacyprotocol == null || this.privacyprotocol.isEmpty())
		privOID = null;
	UsmUser user = new UsmUser(new OctetString(this.username),  
			authOID, new OctetString(this.password),  //auth
			privOID, this.privacypassphrase!=null?new OctetString(this.privacypassphrase):null); //enc
	snmp.getUSM().addUser(new OctetString(this.username), user);  
	Address targetAddress = GenericAddress.parse(address);
	UserTarget target = new UserTarget();
	target.setAddress(targetAddress);
	target.setRetries(2);
	target.setTimeout(1500);
	target.setVersion(this.getVersionInt());
	if(privOID != null)
		target.setSecurityLevel(SecurityLevel.AUTH_PRIV);  
	else
		target.setSecurityLevel(SecurityLevel.AUTH_NOPRIV); 
	target.setSecurityName(new OctetString(this.username));
	return target;
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
/**
 * Create SNMP.
 */
private void createSNMP() {

    LOG.info("Creating SNMP...");
    try {
        TransportMapping transport = new DefaultUdpTransportMapping();
        transport.listen();
        snmp = new Snmp(transport);

        // SNMP V3
        USM usm = new USM(SecurityProtocols.getInstance(), new OctetString(MPv3.createLocalEngineID()), 0);
        SecurityModels.getInstance().addSecurityModel(usm);

        LOG.debug("Snmp created.");
        snmp.listen();
        LOG.debug("Snmp listening...");
    } catch (IOException e) {
        throw new RuntimeException("Cannot create snmp!!!", e);
    }
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
public static SNMPDataType getDataType(Variable var){
		SNMPDataType retVal = SNMPDataType.INT;
/*		
 * 	org.snmp4j.smi.Variable implementations
 * 		AbstractVariable, BitString, 
 * 		Counter32, Counter64, Gauge32, Integer32, UnsignedInteger32, 
 * 		TimeTicks, 
 * 		OctetString,
 * 		GenericAddress, IpAddress, Null, OID, Opaque, SMIAddress, SshAddress, TcpAddress, TlsAddress, 
 * 		TransportIpAddress, TsmSecurityParameters, UdpAddress, VariantVariable
 * 	SNMPDataType: STRING,INT,LONG,FLOAT,TICKS,OCTIN,OCTOUT,COUNT, OTHER
 */
		if(var instanceof TimeTicks) {
			retVal = SNMPDataType.TICKS;
		} else if(var instanceof Counter64 || var instanceof Counter32) {
			retVal = SNMPDataType.COUNT;
		} else if(var instanceof Integer32 || var instanceof UnsignedInteger32) {
			retVal = SNMPDataType.COUNT;
		} else if(var instanceof Gauge32) {
			retVal = SNMPDataType.COUNT;
		} else if(var instanceof OctetString) {
			retVal = SNMPDataType.STRING;
		}
		return retVal;
	}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
static PDU snmpMessageToHumanReadable(String s) throws IOException {
    final OctetString message = OctetString.fromHexString(s, ':');
    final Address address = new UdpAddress();
    final TransportMapping transportMapping = (address instanceof UdpAddress) ?
            new DefaultUdpTransportMapping((UdpAddress) address)
            : new DefaultTcpTransportMapping((TcpAddress) address);
    final MessageDispatcher messageDispatcher = new
            MessageDispatcherImpl();
    SecurityProtocols.getInstance().addDefaultProtocols();
    final SnmpMessageAnalyzer snmpMessageAnalyzer = new SnmpMessageAnalyzer();
    final CommandResponder commandResponder = snmpMessageAnalyzer;
    messageDispatcher.addCommandResponder(commandResponder);
    messageDispatcher.addMessageProcessingModel(new MPv1());
    messageDispatcher.addMessageProcessingModel(new MPv2c());
    messageDispatcher.addMessageProcessingModel(new MPv3());
    messageDispatcher.processMessage(transportMapping, address, ByteBuffer.wrap(message.getValue()));
    PDU result = snmpMessageAnalyzer.msg;
    snmpMessageAnalyzer.msg = null;
    return result;
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
@Ignore("Broken Test, lookup fails in RMON-MIB")
@Test
public void TestRisingAlarm() throws InterruptedException {
	out.expectedMessageCount(1);
	
	SmiObject notification = smiManager.findSmiObject("RMON-MIB","rmon.rmonEventsV2.risingAlarm");
	assertNotNull("check for null SmiObject",notification);
	OID oid = notification.getOID();
	SendTrap sendTrap = SendTrapDefault();
	sendTrap.addVariableBinding(new VariableBinding(oid,new OctetString("Rising Alarm")));
	
	out.assertIsSatisfied();
	
	SnmpTrap trap = getTrap();
	assertNotNull(trap);
	assertEquals("check trap name","risingAlarm",trap.getTrapName()); 
	
}
 

import org.snmp4j.smi.OctetString; //导入依赖的package包/类
@Override
public void start() {
    // Initialize the connection to the external client
    try {
        snmp = new Snmp(new DefaultUdpTransportMapping());
        snmp.listen();

        target = new CommunityTarget();
        target.setCommunity(new OctetString("public"));
        target.setVersion(SnmpConstants.version2c);
        target.setAddress(new UdpAddress(bindAddress + "/" + bindPort));
        target.setTimeout(3000);    //3s
        target.setRetries(1);

        pdu.setType(PDU.GETBULK);
        pdu.setMaxRepetitions(1); 
        pdu.setNonRepeaters(0);

    } catch (IOException ex) {
        //
    }

    super.start();
}