*/
    void ensureDFSResolved () throws CIFSException;


    /**
     * @param cap
     * @return whether the capabiltiy is present
     * @throws CIFSException
     */
    boolean hasCapability ( int cap ) throws CIFSException;


    /**
     * @return the send buffer size of the underlying connection
     * @throws CIFSException
     */
    int getSendBufferSize () throws CIFSException;

    public void ensureDFSResolved () throws CIFSException {
        this.treeConnection.ensureDFSResolved(this.resourceLoc);
    }


    @Override
    public boolean hasCapability ( int cap ) throws SmbException {
        return this.treeConnection.hasCapability(cap);
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbTreeHandle#isConnected()
     */
    @Override
    public boolean isConnected () {

            }

            try ( SmbFileHandle h = ensureOpen() ) {}
            this.readSize = th.getReceiveBufferSize() - 70;
            this.writeSize = th.getSendBufferSize() - 70;

            if ( th.hasCapability(SmbConstants.CAP_LARGE_READX) ) {
                this.largeReadX = true;
                this.readSize = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);

 *
 */
public interface SmbTransportInternal extends SmbTransport {

    /**
     * @param cap
     * @return whether the transport has the given capability
     * @throws SmbException
     */
    boolean hasCapability ( int cap ) throws SmbException;


    /**
     * @return whether the transport has been disconnected
     */
    boolean isDisconnected ();


    /**
     * @param hard
     * @param inuse

                    if ( ! ( e.getCause() instanceof RequestTimeoutException ) ) {
                        throw e;
                    }
                }
            }
            else if ( trans.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                int flags = SmbConstants.O_CREAT;
                int sharing = SmbConstants.FILE_SHARE_DELETE | SmbConstants.FILE_SHARE_READ | SmbConstants.FILE_SHARE_WRITE;

                r.setNotifyFlags(this.recursive ? Smb2ChangeNotifyRequest.SMB2_WATCH_TREE : 0);
                req = r;
            }
            else {
                if ( !th.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                    throw new SmbUnsupportedOperationException("Not supported without CAP_NT_SMBS");
                }

                /*

        this.writeSize = sendBufferSize - 70;

        this.useNTSmbs = th.hasCapability(SmbConstants.CAP_NT_SMBS);
        if ( !this.useNTSmbs ) {
            log.debug("No support for NT SMBs");
        }

        // there seems to be a bug with some servers that causes corruption if using signatures +
        // CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {

     * @throws SmbException
     */
    public boolean hasCapability ( int cap ) throws SmbException {
        try ( SmbSessionImpl s = getSession() ) {
            if ( s != null ) {
                try ( SmbTransportImpl transport = s.getTransport() ) {
                    return transport.hasCapability(cap);
                }
            }
            throw new SmbException("Not connected");

                    req.setFileInformation(new FileBasicInfo(ctime, atime, mtime, 0L, attrs));
                    dh.send(req);
                }
                else if ( dh.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                    // use the open file descriptor
                    dh.send(
                        new Trans2SetFileInformation(dh.getConfig(), dfd.getFid(), attrs, ctime, mtime, atime),

                    th.send(new TransWaitNamedPipe(th.getConfig(), this.uncPath), new TransWaitNamedPipeResponse(th.getConfig()));
                }

                if ( th.hasCapability(SmbConstants.CAP_NT_SMBS) || this.uncPath.startsWith("\\pipe\\") ) {
                    this.handle = this.pipe.openUnshared(this.openFlags, this.access, this.sharing, SmbConstants.ATTR_NORMAL, 0);
                }