private final SmbPipeHandleImpl handle;

    /**
     * @param handle
     * @throws SmbException
     */
    SmbPipeOutputStream(final SmbPipeHandleImpl handle, final SmbTreeHandleImpl th) throws CIFSException {
        super(handle.getPipe(), th, null, 0, 0, 0);
        this.handle = handle;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbFileOutputStream#isOpen()

    private final Configuration cfg;
    private final int fid;
    private final byte[] fileId;
    private boolean open = true;
    private final long tree_num; // for checking whether the tree changed
    private SmbTreeHandleImpl tree;

    private final AtomicLong usageCount = new AtomicLong(1);
    private final int flags;
    private final int access;
    private final int attrs;
    private final int options;

        if (!smbFile.isDirectory()) {
            throw new SmbException("Not a directory: " + smbFile.getPath());
        }

        try (SmbTreeHandleImpl th = smbFile.ensureTreeConnected()) {
            // Check if we can use directory leasing
            DirectoryLeaseManager dirManager = getDirectoryLeaseManager(th);

     * @param searchAttributes the file attributes to search for
     * @throws CIFSException if an error occurs during initialization
     */
    public DirFileEntryEnumIterator2(final SmbTreeHandleImpl th, final SmbResource parent, final String wildcard,
            final ResourceNameFilter filter, final int searchAttributes) throws CIFSException {
        super(th, parent, wildcard, filter, searchAttributes);
    }

        super(handle.getPipe(), th, null);
        this.handle = handle;
    }

    /**
     * Ensures that the tree connection is established.
     *
     * @return the tree handle implementation
     * @throws CIFSException if a connection error occurs
     */
    protected synchronized SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {

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

    private Trans2FindNext2 nextRequest;
    private Trans2FindFirst2Response response;

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

import jcifs.CIFSException;

@ExtendWith(MockitoExtension.class)
class SmbPipeOutputStreamTest {

    @Mock
    SmbPipeHandleImpl handle;

    @Mock
    SmbTreeHandleImpl tree;

    @Mock
    SmbNamedPipe pipe;

    @Mock
    SmbFileHandleImpl fileHandle;

    private SmbPipeOutputStream newStream() throws CIFSException {

 */
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;

    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;

    /**

    @Override
    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()) {