private static final int FIND_OVERHEAD = 100; // plenty enough

    private Trans2FindNext2 nextRequest;
    private Trans2FindFirst2Response response;


    public DirFileEntryEnumIterator1 ( SmbTreeHandleImpl th, SmbResource parent, String wildcard, ResourceNameFilter filter, int searchAttributes )
            throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }

 */
public abstract class DirFileEntryEnumIteratorBase implements CloseableIterator<FileEntry> {

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

    private final SmbTreeHandleImpl treeHandle;
    private final ResourceNameFilter nameFilter;
    private final SmbResource parent;
    private final String wildcard;
    private final int searchAttributes;
    private FileEntry next;

        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try ( SmbTreeHandleImpl th = file.ensureTreeConnected() ) {
            this.smb2 = th.isSMB2();
            try ( SmbFileHandleImpl fh = ensureOpen() ) {
                if ( append ) {
                    this.fp = fh.getInitialSize();

    private final NetServerEnum2 request;
    private final NetServerEnum2Response response;
    private final SmbResource parent;
    private final SmbTreeHandleImpl treeHandle;
    private final ResourceNameFilter nameFilter;
    private final boolean workgroup;
    private int ridx;
    private FileEntry next;


    /**
     * @param parent
     * @param th

        if ( len <= 0 ) {
            return 0;
        }
        long start = this.fp;

        try ( SmbFileHandleImpl fh = ensureOpen();
              SmbTreeHandleImpl th = fh.getTree() ) {

            int r, n;
            SmbComReadAndXResponse response = new SmbComReadAndXResponse(th.getConfig(), b, off);
            do {

    public List<FileNotifyInformation> watch () throws CIFSException {
        if ( !this.handle.isValid() ) {
            throw new SmbException("Watch was broken by tree disconnect");
        }
        try ( SmbTreeHandleImpl th = this.handle.getTree() ) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if ( th.isSMB2() ) {

        catch ( CIFSException e ) {
            throw SmbException.wrap(e);
        }
    }


    /**
     * @throws SmbException
     * 
     */
    SmbFileInputStream ( SmbFile file, SmbTreeHandleImpl th, SmbFileHandleImpl fh ) throws SmbException {
        this.file = file;
        this.handle = fh;
        this.unsharedFile = false;
        this.smb2 = th.isSMB2();
        try {
            init(th);