synchronized ( this.LOCK ) {
                        request.nameTrnId = getNextNameTrnId();
                        nid = new Integer(request.nameTrnId);

                        this.out.setAddress(request.addr);
                        this.out.setLength(request.writeWireFormat(this.snd_buf, 0));
                        response.received = false;

                        this.responseTable.put(nid, response);

                UniAddress addr;
                try {
                    addr = getAddress();
                } catch( UnknownHostException uhe ) {
                    throw new SmbException( url.toString(), uhe );
                }
                if( addr.getAddress() instanceof NbtAddress ) {
                    int code = ((NbtAddress)addr.getAddress()).getNameType();
                    if( code == 0x1d || code == 0x1b ) {

        StringUtil.appendHex(buf, lowTime);
        StringUtil.appendHex(buf, RANDOM.nextInt());
        return buf.toString();
    }

    private static byte[] getAddress() {
        try {
            return InetAddress.getLocalHost().getAddress();
        } catch (final UnknownHostException ignore) {
            return DEFAULT_ADDRESS;
        }
    }