return this.ctx.getConfig();
    }

    private synchronized SmbTreeImpl getTree() {
        final SmbTreeImpl t = this.tree;
        if (t != null) {
            return t.acquire(false);
        }
        if (this.delegate != null) {
            this.tree = this.delegate.getTree();
            return this.tree;
        }
        return t;
    }

    /**
     * @return

    @Override
    public long getInitialSize() {
        return this.initialSize;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#getTree()
     */
    @Override
    public SmbTreeHandleImpl getTree() {
        return this.tree.acquire();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#isValid()
     */
    @Override

    @Override
    public int sendrecv(final byte[] buf, final int off, final int length, final byte[] inB, final int maxRecvSize) throws IOException {
        try (SmbFileHandleImpl fh = ensureOpen(); SmbTreeHandleImpl th = fh.getTree()) {

            if (th.isSMB2()) {
                final Smb2IoctlRequest req =
                        new Smb2IoctlRequest(th.getConfig(), Smb2IoctlRequest.FSCTL_PIPE_TRANSCEIVE, fh.getFileId(), inB);

        if (this.tmp == null) {
            throw new IOException("Bad file descriptor");
        }
        // ensure file is open
        try (SmbFileHandleImpl fd = ensureOpen(); SmbTreeHandleImpl th = fd.getTree()) {

            if (log.isTraceEnabled()) {
                log.trace("read: fid=" + fd + ",off=" + off + ",len=" + len);
            }

            final int type = this.file.getType();
            int r, n;

                this.size = allocInfo.getCapacity();
                this.sizeExpiration = System.currentTimeMillis() + getContext().getConfig().getAttributeCacheTimeout();
                return allocInfo.getFree();
            }
            return 0L;
        } catch (final CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    /**
     * @return

        if (type == TYPE_SHARE) {
            size = response.info.getCapacity();
            sizeExpiration = System.currentTimeMillis() + attrExpirationPeriod;
        }

        return response.info.getFree();
    }

    /**
     * Creates a directory with the path specified by this
     * <code>SmbFile</code>. For this method to be successful, the target
     * must not already exist. This method will fail when