* Google patches: various bugfixes, lastAccess support, retrying requests
 * A proper test suite
 * Various fixes

## Others

### This jcifs or jcifs-ng

jcifs-ng will be a proper choice for many users. 
There are a lot of SMB devices in the world.
Some of them only work with the old jcifs library.
If you want to support many SMB devices, CodeLibs jcifs library will be helpful.

        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 ) {

             *
             * 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

    }
/**
 * Tests to see if two <code>SmbFile</code> objects are equal. Two
 * SmbFile objects are equal when they reference the same SMB
 * resource. More specifically, two <code>SmbFile</code> objects are
 * equals if their server IP addresses are equal and the canonicalized
 * representation of their URLs, minus authentication parameters, are
 * case insensitivly and lexographically equal.
 * <p/>

            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.
             */

            if ( token != null ) {
                request = new Smb2SessionSetupRequest(this.getContext(), securityMode, negoResp.getCommonCapabilities(), 0, token);
                // here, messages are rejected with NOT_SUPPORTED if we start signing as soon as we can, wait until
                // session setup complete

                request.setSessionId(sessId);
                request.retainPayload();

    /**
     * Tests to see if two <code>SmbFile</code> objects are equal. Two
     * SmbFile objects are equal when they reference the same SMB
     * resource. More specifically, two <code>SmbFile</code> objects are
     * equals if their server IP addresses are equal and the canonicalized
     * representation of their URLs, minus authentication parameters, are
     * case insensitively and lexographically equal.
     * <br>

     * @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