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 ) {

        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

        useNTSmbs = file.tree.session.transport.hasCapability( ServerMessageBlock.CAP_NT_SMBS );
        if( useNTSmbs ) {
            reqx = new SmbComWriteAndX();
            rspx = new SmbComWriteAndXResponse();

 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <tt>WNET\alice</tt> tries to open a file
 * with desired access bits <tt>0x00000003</tt> (<tt>FILE_READ_DATA |
 * FILE_WRITE_DATA</tt>) and the target file has the following security
 * descriptor ACEs:
 * 
 * <pre>

            }
        } 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 this.pipe;
    }


    @Override
    public SmbTreeHandleImpl ensureTreeConnected () throws CIFSException {
        if ( this.treeHandle == null ) {
            // extra acquire to keep the tree alive
            this.treeHandle = this.pipe.ensureTreeConnected();
        }
        return this.treeHandle.acquire();
    }


    public String getUncPath () {
        return this.uncPath;
    }

    static final int FLAGS_COPY_TARGET_MODE_ASCII = 0x0004;
    static final int FLAGS_COPY_SOURCE_MODE_ASCII = 0x0008;
    static final int FLAGS_VERIFY_ALL_WRITES = 0x0010;
    static final int FLAGS_TREE_COPY = 0x0020;

    // open function
    static final int OPEN_FUNCTION_FAIL_IF_EXISTS = 0x0000;
    static final int OPEN_FUNCTION_OVERWRITE_IF_EXISTS = 0x0020;

    static final int SECURITY_SHARE = 0x00;

import jcifs.internal.smb2.nego.Smb2NegotiateResponse;
import jcifs.internal.smb2.tree.Smb2TreeConnectRequest;
import jcifs.internal.smb2.tree.Smb2TreeDisconnectRequest;


class SmbTreeImpl implements SmbTreeInternal {

    private static final Logger log = LoggerFactory.getLogger(SmbTreeImpl.class);

    private static AtomicLong TREE_CONN_COUNTER = new AtomicLong();

    /*
     * 0 - not connected
     * 1 - connecting

            break;
        case SMB2_LOGOFF:
            c = "SMB2_LOGOFF";
            break;
        case SMB2_TREE_CONNECT:
            c = "SMB2_TREE_CONNECT";
            break;
        case SMB2_TREE_DISCONNECT:
            c = "SMB2_TREE_DISCONNECT";
            break;
        case SMB2_CREATE:
            c = "SMB2_CREATE";
            break;
        case SMB2_CLOSE:

    static final byte SMB_COM_FIND_CLOSE2        = (byte)0x34;
    static final byte SMB_COM_TREE_DISCONNECT    = (byte)0x71;
    static final byte SMB_COM_NEGOTIATE          = (byte)0x72;
    static final byte SMB_COM_SESSION_SETUP_ANDX = (byte)0x73;
    static final byte SMB_COM_LOGOFF_ANDX        = (byte)0x74;
    static final byte SMB_COM_TREE_CONNECT_ANDX  = (byte)0x75;
    static final byte SMB_COM_NT_TRANSACT        = (byte)0xA0;

     */
    @Override
    public List<FileNotifyInformation> watch () throws CIFSException {
        if ( !this.handle.isValid() ) {
            throw new SmbException("Watch was broken by tree disconnect");
        }
        try ( SmbTreeHandleImpl th = this.handle.getTree() ) {

            CommonServerMessageBlockRequest req;
            NotifyResponse resp = null;
            if ( th.isSMB2() ) {