private static final int NAME_SERVICE_UDP_PORT = 137;

    static final byte[] UNKNOWN_MAC_ADDRESS = new byte[] {
        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
    };

    private static final Logger log = LoggerFactory.getLogger(NameServiceClientImpl.class);

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

    protected int readParameterWordsWireFormat ( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        buffer[ bufferIndex++ ] = (byte) 0x00; // Reserved
        buffer[ bufferIndex++ ] = (byte) 0x00; // Reserved
        buffer[ bufferIndex++ ] = (byte) 0x00; // Reserved

        this.totalParameterCount = SMBUtil.readInt4(buffer, bufferIndex);
        if ( this.bufDataStart == 0 ) {

        int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        dst[ dstIndex++ ] = (byte) 0x00; // Reserved
        dst[ dstIndex++ ] = (byte) 0x00; // Reserved
        SMBUtil.writeInt4(this.securityInformation, dst, dstIndex);
        dstIndex += 4;
        return dstIndex - start;
    }


    @Override

        maxParameterCount = 0;
        maxDataCount = 0;
        maxSetupCount = (byte)0x00;
        setupCount = 2;
    }

    int writeSetupWireFormat( byte[] dst, int dstIndex ) {
        dst[dstIndex++] = subCommand;
        dst[dstIndex++] = (byte)0x00;
        dst[dstIndex++] = (byte)0x00; // no FID
        dst[dstIndex++] = (byte)0x00;
        return 4;
    }

        maxDataCount = 0xFFFF;
        maxSetupCount = (byte)0x00;
        setupCount = 2;
    }

    int writeSetupWireFormat( byte[] dst, int dstIndex ) {
        dst[dstIndex++] = subCommand;
        dst[dstIndex++] = (byte)0x00;
        // this says "Transaction priority" in netmon
        dst[dstIndex++] = (byte)0x00; // no FID
        dst[dstIndex++] = (byte)0x00;
        return 4;
    }

        this.maxDataCount = 0;
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 2;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        dst[ dstIndex++ ] = this.getSubCommand();
        dst[ dstIndex++ ] = (byte) 0x00;
        dst[ dstIndex++ ] = (byte) 0x00; // no FID
        dst[ dstIndex++ ] = (byte) 0x00;
        return 4;
    }


    @Override

     */
    public static int findUNITermination ( byte[] buffer, int bufferIndex, int maxLen ) {
        int len = 0;
        while ( buffer[ bufferIndex + len ] != (byte) 0x00 || buffer[ bufferIndex + len + 1 ] != (byte) 0x00 ) {
            len += 2;
            if ( len > maxLen ) {
                if ( log.isDebugEnabled() ) {
                    log.warn("Failed to find string termination with max length " + maxLen);

        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 2;
    }


    @Override
    protected int writeSetupWireFormat ( byte[] dst, int dstIndex ) {
        dst[ dstIndex++ ] = this.getSubCommand();
        dst[ dstIndex++ ] = (byte) 0x00;
        // this says "Transaction priority" in netmon
        dst[ dstIndex++ ] = (byte) 0x00; // no FID
        dst[ dstIndex++ ] = (byte) 0x00;

     */

    public static final int H_NODE = 3;

    /**
     * Unknown MAC Address
     */
    public static final byte[] UNKNOWN_MAC_ADDRESS = new byte[] {
        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
    };

    Name hostName;
    int address, nodeType;
    boolean groupName, isBeingDeleted, isInConflict, isActive, isPermanent, isDataFromNodeStatus;
    byte[] macAddress;

    }

    int readParameterWordsWireFormat( byte[] buffer, int bufferIndex ) {
        int start = bufferIndex;

        buffer[bufferIndex++] = (byte)0x00;        // Reserved
        buffer[bufferIndex++] = (byte)0x00;        // Reserved
        buffer[bufferIndex++] = (byte)0x00;        // Reserved

        totalParameterCount = readInt4( buffer, bufferIndex );
        if( bufDataStart == 0 ) {