super(connection.getURL());
        this.connection = connection;
        requestProperties = new HashMap();
    }

    public void connect() throws IOException {
        if (connected) return;
        connection.connect();
        connected = true;
    }

    private void handshake() throws IOException {
        if (handshakeComplete) return;
        doHandshake();

        }

    }


    /*
     * Build a connection. Only one thread will ever call this method at
     * any one time. If this method throws an exception or the connect timeout
     * expires an encapsulating TransportException will be thrown from connect
     * and the transport will be in error.
     */

    protected abstract void doConnect () throws Exception;


    /*

                                String service, ServerMessageBlock andx ) {
        super( andx );
        this.session = session;
        this.path = path;
        this.service = service;
        command = SMB_COM_TREE_CONNECT_ANDX;
    }

    int getBatchLimit( byte command ) {
        int c = (int)( command & 0xFF );
        // why isn't this just return batchLimits[c]?
        switch( c ) {
            case SMB_COM_CHECK_DIRECTORY:

            }
        }
    }

    /* Build a connection. Only one thread will ever call this method at
     * any one time. If this method throws an exception or the connect timeout
     * expires an encapsulating TransportException will be thrown from connect
     * and the transport will be in error.
     */

    protected abstract void doConnect() throws Exception;

            }
        } else {
            throw new SmbException("Unsupported");
        }
    }

    int getBatchLimit( byte command ) {
        return command == SMB_COM_TREE_CONNECT_ANDX ? BATCH_LIMIT : 0;
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( session.transport.snd_buf_size, dst, dstIndex );

            return null;
        SmbTransportImpl transport = getReferralTransport(tf, getDcReferrals(tf, domain));
        if ( transport == null && log.isDebugEnabled() ) {
            log.debug(String.format("Failed to connect to domain controller for %s", domain));
        }
        return transport;
    }


    private static SmbTransportImpl getReferralTransport ( CIFSContext tf, DfsReferralData dr ) throws SmbAuthException {

    
            session.transport.connect();

            unc = "\\\\" + session.transport.tconHostName + '\\' + share;
    
            /* IBM iSeries doesn't like specifying a service. Always reset
             * the service to whatever was determined in the constructor.
             */
            service = service0;
    
            /*
             * Tree Connect And X Request / Response
             */
    

     */
    byte[] getSessionKey () throws CIFSException;


    /**
     * 
     * @return the transport for this session
     */
    SmbTransport getTransport ();


    /**
     * Connect to the logon share
     * 
     * @throws SmbException
     */
    void treeConnectLogon () throws SmbException;


    /**
     * @param share
     * @param service
     * @return tree instance
     */

    private String path;


    /**
     * @param config
     * @param path
     */
    public Smb2TreeConnectRequest ( Configuration config, String path ) {
        super(config, SMB2_TREE_CONNECT);
        this.path = path;
    }


    @Override
    protected Smb2TreeConnectResponse createResponse ( CIFSContext tc, ServerMessageBlock2Request<Smb2TreeConnectResponse> req ) {

    public void transportReconnects () throws IOException {
        try ( SmbFile f = getDefaultShareRoot() ) {
            // transport disconnects can happen pretty much any time
            assertNotNull(f);
            f.connect();
            f.exists();
            assertNotNull(f);
            try ( SmbTreeHandleInternal treeHandle = (SmbTreeHandleInternal) f.getTreeHandle();