* 
     * Closing the context should cancel a pending notify request, but that does not seem to work reliable in all
     * implementations.
     * 
     * Changes in between these calls (as long as the file is open) are buffered by the server, so iteratively calling
     * this method should provide all changes (size of that buffer can be adjusted through
     * {@link jcifs.Configuration#getNotifyBufferSize()}).

            throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }


    @SuppressWarnings ( "resource" )
    @Override
    protected final FileEntry open () throws CIFSException {
        SmbResourceLocator loc = this.getParent().getLocator();
        String unc = loc.getUNCPath();
        String p = loc.getURL().getPath();
        if ( p.lastIndexOf('/') != ( p.length() - 1 ) ) {

 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <tt>WNET\alice</tt> tries to open a file
 * with desired access bits <tt>0x00000003</tt> (<tt>FILE_READ_DATA |
 * FILE_WRITE_DATA</tt>) and the target file has the following security
 * descriptor ACEs:
 * 
 * <pre>

    private volatile int tid = -1;
    private volatile String service = "?????";
    private volatile boolean inDfs, inDomainDfs;
    private volatile long treeNum; // used by SmbFile.isOpen

    private final AtomicLong usageCount = new AtomicLong(0);
    private final AtomicBoolean sessionAcquired = new AtomicBoolean(true);

    private final boolean traceResource;

     */
    int connectionState;
    int tid;

    String share;
    String service = "?????";
    String service0;
    SmbSession session;
    boolean inDfs, inDomainDfs;
    int tree_num; // used by SmbFile.isOpen

    SmbTree( SmbSession session, String share, String service ) {
        this.session = session;
        this.share = share.toUpperCase();
        if( service != null && service.startsWith( "??" ) == false ) {

            return 0;
        }
        long start = fp;

        if( tmp == null ) {
            throw new IOException( "Bad file descriptor" );
        }
        // ensure file is open
        file.open( openFlags, access, SmbFile.ATTR_NORMAL, 0 );

        /*
         * Read AndX Request / Response
         */

        if( file.log.level >= 4 )

        }
    }


    /**
     * Ensures that the file descriptor is openend
     * 
     * @throws CIFSException
     */
    public void open () throws CIFSException {
        try ( SmbFileHandleImpl fh = ensureOpen() ) {}
    }


    /**
     * @param file
     * @param openFlags
     * @return
     * @throws SmbException
     */

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs;


/**
 * Handle to an open file
 * 
 * @author mbechler
 *
 */
public interface SmbFileHandle extends AutoCloseable {

    /**
     * @return the tree
     */
    SmbTreeHandle getTree ();


    /**

                        if ( dfd == null || !dfd.isValid() ) {
                            // don't reopen the file for every round if it's not necessary, keep the lock
                            dfd = openCopyTargetFile(dest, src.getAttributes(), !write);
                        }

                        // FSCTL_SRV_COPYCHUNK_WRITE allows to open the file for writing only, FSCTL_SRV_COPYCHUNK also
                        // needs read access

        }

        return f;
    }
    void open( int flags, int access, int attrs, int options ) throws SmbException {
        if( isOpen() ) {
            return;
        }
        fid = open0( flags, access, attrs, options );
        opened = true;
        tree_num = tree.tree_num;
    }
    boolean isOpen() {
        boolean ans = opened && isConnected() && tree_num == tree.tree_num;