}
    }
    void send( ServerMessageBlock request, ServerMessageBlock response ) throws SmbException {

        connect(); /* must negotiate before we can test flags2, useUnicode, etc */

        request.flags2 |= flags2;
        request.useUnicode = useUnicode;
        request.response = response; /* needed by sign */
        if (request.digest == null)
            request.digest = digest; /* for sign called in encode */

        "Logon failure: the user has not been granted the requested logon type at this computer.",
        "The SAM database on the Windows NT Server does not have a computer account for this workstation trust relationship.",
        "The logon request failed because the trust relationship between the primary domain and the trusted domain failed.",

        if ( this.smb2 && ! ( request instanceof ServerMessageBlock2 ) ) {
            throw new SmbException("Not an SMB2 request " + request.getClass().getName());
        }
        else if ( !this.smb2 && ! ( request instanceof ServerMessageBlock ) ) {
            throw new SmbException("Not an SMB1 request");
        }

        this.negotiated.setupRequest(request);

        if ( response != null ) {

     * 2) IP Address, NetBIOS name, nodeType, groupName - If however a
     * legal NetBIOS name string is used a name query request will retreive
     * the IP, node type, and whether or not this NbtAddress represents a
     * group name. This degree of state can be obtained with a Name Query
     * Request or Node Status Request.
     * 
     * 3) All - The NbtAddress will be populated with all state such as mac

        "The format of the specified computer name is invalid.",
        "The pipe has been ended.",
        "The specified local group does not exist.",
        "Logon failure: the user has not been granted the requested logon type at this computer.",
        "The SAM database on the Windows NT Server does not have a computer account for this workstation trust relationship.",

            unc = dunc;
            if (request != null &&
                        request.path != null &&
                        request.path.endsWith("\\") &&
                        dunc.endsWith("\\") == false) {
                dunc += "\\";
            }
            if (request != null) {
                request.path = dunc;
                request.flags2 |= ServerMessageBlock.FLAGS2_RESOLVE_PATHS_IN_DFS;

 * DFS referrals. (E.g. a resource with a DFS root's parent will still point to the DFS root not the share it's actually
 * located in).
 * - share + uncpath within it: This is the relevant information for most SMB requests. Both are adjusted by DFS
 * referrals. Nested resources will inherit the information already resolved by the parent resource.
 * 
 * Invariant: