Examples of com.sun.jmx.snmp.SnmpMessage

com.sun.jmx.snmp.SnmpMessage
Is a partially decoded representation of an SNMP packet.
You will not normally need to use this class unless you decide to implement your own {@link com.sun.jmx.snmp.SnmpPduFactory SnmpPduFactory} object.
The SnmpMessage class is directly mapped onto the Message syntax defined in RFC1157 and RFC1902.
```
 Message ::= SEQUENCE { version       INTEGER { version(1) }, -- for SNMPv2 community     OCTET STRING,           -- community name data          ANY                     -- an SNMPv2 PDU } 
```
This API is a Sun Microsystems internal API and is subject to change without notice.
@see SnmpPduFactory @see SnmpPduPacket

    private void sendTrapPdu(InetAddress addr, SnmpPduPacket pdu) 
  throws SnmpStatusException, IOException {
  
        // Make an SNMP message from the pdu
        //
        SnmpMessage msg = null ;
        try {
            msg = (SnmpMessage)pduFactory.encodeSnmpPdu(pdu, bufferSize) ;
            if (msg == null) {
                throw new SnmpStatusException(
                          SnmpDefinitions.snmpRspAuthorizationError) ;

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    public SnmpMsg encodeSnmpPdu(SnmpPdu p, int maxDataLength) 
  throws SnmpStatusException, SnmpTooBigException {
  switch(p.version) {
  case SnmpDefinitions.snmpVersionOne:
  case SnmpDefinitions.snmpVersionTwo: {
      SnmpMessage result = new SnmpMessage();
      result.encodeSnmpPdu((SnmpPduPacket) p, maxDataLength);
      return result;
  }
  case SnmpDefinitions.snmpVersionThree: {
      SnmpV3Message result = new SnmpV3Message();
      result.encodeSnmpPdu(p, maxDataLength);
      return result;
  }
  default:
      return null;
  }

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    boolean sendPdu() {
        try {
            responsePdu = null;


            SnmpPduFactory pduFactory = adaptor.getPduFactory();
            SnmpMessage msg = (SnmpMessage)pduFactory.encodeSnmpPdu((SnmpPduPacket)requestPdu, adaptor.getBufferSize().intValue());


            if (msg == null) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, SnmpInformRequest.class.getName(),
                        "sendPdu", "pdu factory returned a null value");
                }
                throw new SnmpStatusException(snmpReqUnknownError);
                // This exception will caught hereafter and reported as an snmpReqUnknownError
                // FIXME: may be it's not the best behaviour ?
            }


            int maxPktSize = adaptor.getBufferSize().intValue();
            byte[] encoding = new byte[maxPktSize];
            int encodingLength = msg.encodeMessage(encoding);


            if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
                SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpInformRequest.class.getName(),
                    "sendPdu", "Dump : \n" + msg.printMessage());
            }


            sendPduPacket(encoding, encodingLength);
            return true;
        } catch (SnmpTooBigException ar) {

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    private DatagramPacket makeResponsePacket(DatagramPacket reqPacket) {
        DatagramPacket respPacket = null ;
    
        // Transform the request packet into a request SnmpMessage
        //
        SnmpMessage reqMsg = new SnmpMessage() ;
        try {
            reqMsg.decodeMessage(reqPacket.getData(), reqPacket.getLength()) ;
            reqMsg.address = reqPacket.getAddress() ;
            reqMsg.port = reqPacket.getPort() ;
        }
        catch(SnmpStatusException x) {
            if (isDebugOn()) {
                debug("makeResponsePacket", "packet decoding failed");
    debug("makeResponsePacket", x);
            }
            reqMsg = null ;
            ((SnmpAdaptorServer)adaptorServer).incSnmpInASNParseErrs(1) ;
        }
    
        // Make the response SnmpMessage if any
        //
        SnmpMessage respMsg = null ;
        if (reqMsg != null) {
            respMsg = makeResponseMessage(reqMsg) ;
        }
    
        // Try to transform the response SnmpMessage into response packet.
        // NOTE: we overwrite the request packet.
        //
        if (respMsg != null) {
            try {
                reqPacket.setLength(respMsg.encodeMessage(reqPacket.getData())) ;
                respPacket = reqPacket ;
            }
            catch(SnmpTooBigException x) {
                if (isDebugOn()) {
                    debug("makeResponsePacket", "response message is too big");
                }
                try {
                    respMsg = newTooBigMessage(reqMsg) ;
                    reqPacket.setLength(respMsg.encodeMessage(reqPacket.getData())) ;
                    respPacket = reqPacket ;
                }
                catch(SnmpTooBigException xx) {
                    if (isDebugOn()) {
                        debug("makeResponsePacket", "'too big' is 'too big' !!!");

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    /**
     * Here we make a response message from a request message.
     * We return null if there is no message to reply.
     */
    private SnmpMessage makeResponseMessage(SnmpMessage reqMsg) {
        SnmpMessage respMsg = null ;
    
        // Transform the request message into a request pdu
        //
        SnmpPduPacket reqPdu = null ;
        Object userData = null;

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        return result ;
    }


    private SnmpMessage newTooBigMessage(SnmpMessage reqMsg) 
  throws SnmpTooBigException {
        SnmpMessage result = null ;
        SnmpPduPacket reqPdu = null ;
    
        try {
            reqPdu = (SnmpPduPacket)pduFactory.decodeSnmpPdu(reqMsg) ;
            if (reqPdu != null) {

View Full Code Here

    private DatagramPacket makeResponsePacket(DatagramPacket reqPacket) {
        DatagramPacket respPacket = null ;


        // Transform the request packet into a request SnmpMessage
        //
        SnmpMessage reqMsg = new SnmpMessage() ;
        try {
            reqMsg.decodeMessage(reqPacket.getData(), reqPacket.getLength()) ;
            reqMsg.address = reqPacket.getAddress() ;
            reqMsg.port = reqPacket.getPort() ;
        }
        catch(SnmpStatusException x) {
            if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                    "makeResponsePacket", "packet decoding failed", x);
            }
            reqMsg = null ;
            ((SnmpAdaptorServer)adaptorServer).incSnmpInASNParseErrs(1) ;
        }


        // Make the response SnmpMessage if any
        //
        SnmpMessage respMsg = null ;
        if (reqMsg != null) {
            respMsg = makeResponseMessage(reqMsg) ;
        }


        // Try to transform the response SnmpMessage into response packet.
        // NOTE: we overwrite the request packet.
        //
        if (respMsg != null) {
            try {
                reqPacket.setLength(respMsg.encodeMessage(reqPacket.getData())) ;
                respPacket = reqPacket ;
            }
            catch(SnmpTooBigException x) {
                if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                    SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,
                        "makeResponsePacket", "response message is too big");
                }
                try {
                    respMsg = newTooBigMessage(reqMsg) ;
                    reqPacket.setLength(respMsg.encodeMessage(reqPacket.getData())) ;
                    respPacket = reqPacket ;
                }
                catch(SnmpTooBigException xx) {
                    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINEST)) {
                        SNMP_ADAPTOR_LOGGER.logp(Level.FINEST, dbgTag,

View Full Code Here

    /**
     * Here we make a response message from a request message.
     * We return null if there is no message to reply.
     */
    private SnmpMessage makeResponseMessage(SnmpMessage reqMsg) {
        SnmpMessage respMsg = null ;


        // Transform the request message into a request pdu
        //
        SnmpPduPacket reqPdu = null ;
        Object userData = null;

View Full Code Here

        return result ;
    }


    private SnmpMessage newTooBigMessage(SnmpMessage reqMsg)
        throws SnmpTooBigException {
        SnmpMessage result = null ;
        SnmpPduPacket reqPdu = null ;


        try {
            reqPdu = (SnmpPduPacket)pduFactory.decodeSnmpPdu(reqMsg) ;
            if (reqPdu != null) {

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    public SnmpMsg encodeSnmpPdu(SnmpPdu p, int maxDataLength)
        throws SnmpStatusException, SnmpTooBigException {
        switch(p.version) {
        case SnmpDefinitions.snmpVersionOne:
        case SnmpDefinitions.snmpVersionTwo: {
            SnmpMessage result = new SnmpMessage();
            result.encodeSnmpPdu((SnmpPduPacket) p, maxDataLength);
            return result;
        }
        case SnmpDefinitions.snmpVersionThree: {
            SnmpV3Message result = new SnmpV3Message();
            result.encodeSnmpPdu(p, maxDataLength);
            return result;
        }
        default:
            return null;
        }

View Full Code Here

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Related Classes of com.sun.jmx.snmp.SnmpMessage

com.sun.jmx.snmp.daemon.SnmpAdaptorServer

com.sun.jmx.snmp.daemon.SnmpInformRequest

com.sun.jmx.snmp.daemon.SnmpRequestHandler

com.sun.jmx.snmp.daemon.SnmpResponseHandler

com.sun.jmx.snmp.SnmpPduFactoryBER

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