if ( log.isTraceEnabled() ) {
            log.trace("Resolving root " + root);
        }
        /*
         * The link entries contain maps of referrals by path representing DFS links.
         * Note that paths are relative to the root like "\" and not "\example.com\root".
         */
        CacheEntry<DfsReferralDataInternal> links = roots.get(root);
        if ( links != null && now > links.expiration ) {

     * @return whether this tree may be a DFS share
     * @throws SmbException
     */
    public boolean isPossiblyDfs () throws SmbException {
        if ( this.connectionState.get() == 2 ) {
            // we are connected, so we know
            return isDfs();
        }
        try ( SmbTransportImpl transport = this.session.getTransport() ) {
            return transport.getNegotiateResponse().isDFSSupported();
        }

     * 
     * If enabled, SmbFile instances starting with their first use will hold a reference to their tree.
     * This means that trees/sessions/connections won't be idle-disconnected even if there are no other active
     * references (currently executing code, file descriptors).
     * 
     * Depending on the usage scenario, this may have some benefit as there won't be any delays for restablishing these

             *
             * This is where we recursively invoke the provided andx smb
             * object to write it's parameter words and bytes to our outgoing
             * array. Incedentally when these andx smbs are created they are not
             * necessarily populated with header data because they're not writing
             * the header, only their body. But for whatever reason one might wish

            Assert.assertEquals(t1, t2);
        }

    }


    // this test is meant to test server-side session invalidation behavior
    // and not part of the regular test suite as manual steps are required
    //@Test
    public void testSessionMaintenance () throws IOException, InterruptedException {
        try ( SmbFile f = getDefaultShareRoot() ) {
            checkConnection(f);
            while ( true ) {

        synchronized ( this.LOCK ) {

            /*
             * Yes, there is the potential to drop packets
             * because we might close the socket during a
             * request. However the chances are slim and the
             * retry code should ensure the overall request
             * is serviced. The alternative complicates things
             * more than I think is worth it.
             */