private Thread thread;
    private int nextNameTrnId = 0;
    private int[] resolveOrder;

    InetAddress laddr, baddr;

    NameServiceClient() {
        this( LPORT, LADDR );
    }
    NameServiceClient( int lport, InetAddress laddr ) {
        this.lport = lport;
        this.laddr = laddr;

        try {
            baddr = Config.getInetAddress( "jcifs.smb1.netbios.baddr",

import java.net.InetAddress;
import java.net.UnknownHostException;


/**
 * 
 * This is an internal API for resolving names
 * 
 * @author mbechler
 * @internal
 */
public interface NameServiceClient {

    /**
     * @return local host address
     */
    NetbiosAddress getLocalHost ();


    /**
     * @return the local host name
     */
    NetbiosName getLocalName ();


    /**

        }


        @Override
        public NameServiceClient getNameServiceClient () {
            return this.wrapper;
        }
    }


    protected CIFSContext failHostInjecting ( CIFSContext ctx, final String replacement ) throws UnknownHostException {

        final NameServiceClient nscl = ctx.getNameServiceClient();

        final NameServiceClient wrapper = new DelegatingNameServiceClient(nscl) {

    private final Configuration config;
    private final DfsResolver dfs;
    private final SidResolver sidResolver;
    private final Handler urlHandler;
    private final NameServiceClient nameServiceClient;
    private final BufferCache bufferCache;
    private final SmbTransportPool transportPool;
    private final CredentialsInternal defaultCredentials;


    /**
     * Construct a context
     * 

                byte[] challenge;
                NameServiceClient nameServiceClient = getTransportContext().getNameServiceClient();
                if ( pathInfo == null || server == null ) {
                    String mb = nameServiceClient.getNbtByName(NbtAddress.MASTER_BROWSER_NAME, 0x01, null).getHostAddress();
                    dc = nameServiceClient.getByName(mb);
                }
                else {

import jcifs.Address;
import jcifs.NameServiceClient;
import jcifs.NetbiosAddress;
import jcifs.NetbiosName;


/**
 * @author mbechler
 *
 */
public class DelegatingNameServiceClient implements NameServiceClient {

    private NameServiceClient nscl;


    /**
     * @param nscl
     * 
     */
    public DelegatingNameServiceClient ( NameServiceClient nscl ) {
        this.nscl = nscl;
    }

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.NameServiceClient;
import jcifs.NetbiosAddress;
import jcifs.ResolverType;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.util.Hexdump;


/**
 * 
 * @author mbechler
 *
 */
public class NameServiceClientImpl implements Runnable, NameServiceClient {

    private static final int NAME_SERVICE_UDP_PORT = 137;

import java.net.URLStreamHandler;

import jcifs.BufferCache;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.Credentials;
import jcifs.DfsResolver;
import jcifs.NameServiceClient;
import jcifs.SidResolver;
import jcifs.SmbPipeResource;
import jcifs.SmbResource;
import jcifs.SmbTransportPool;
import jcifs.smb.Handler;
import jcifs.smb.SmbFile;
import jcifs.smb.SmbNamedPipe;

    /**
     * 
     * @return the active configuration
     */
    Configuration getConfig ();


    /**
     * @return the name server client
     */
    NameServiceClient getNameServiceClient ();


    /**
     * @return the buffer cache
     */
    BufferCache getBufferCache ();


    /**
     * @return the transport pool
     */

            }
        });

        // need to override NameServiceClient as it otherwise gets initialized with the original config
        final NameServiceClientImpl nsc = new NameServiceClientImpl(ctx);
        ctx = new CIFSContextWrapper(ctx) {

            @Override
            public jcifs.NameServiceClient getNameServiceClient () {
                return nsc;
            }
        };