private int port;
    private final AtomicLong mid = new AtomicLong();
    private OutputStream out;
    private InputStream in;
    private final byte[] sbuf = new byte[1024]; /* small local buffer */
    private long sessionExpiration;
    private final List<SmbSessionImpl> sessions = new LinkedList<>();

    private String tconHostName = null;

    private final CIFSContext transportContext;

public class SmbFile extends URLConnection implements SmbResource, SmbConstants {
    protected static final int ATTR_GET_MASK = 0x7FFF;
    protected static final int ATTR_SET_MASK = 0x30A7;
    protected static final int DEFAULT_ATTR_EXPIRATION_PERIOD = 5000;

    protected static final int HASH_DOT = ".".hashCode();
    protected static final int HASH_DOT_DOT = "..".hashCode();

import jcifs.util.Hexdump;


/**
 *
 */
final class SmbSessionImpl implements SmbSessionInternal {

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

    /*
     * 0 - not connected
     * 1 - connecting
     * 2 - connected
     * 3 - disconnecting
     */
    private final AtomicInteger connectionState = new AtomicInteger();
    private int uid;