AllocInfo ai;
        try {
            ai = queryFSInformation(th, AllocInfo.class, FileSystemInformation.FS_SIZE_INFO);
        }
        catch ( SmbException ex ) {
            log.debug("getDiskFreeSpace", ex);
            switch ( ex.getNtStatus() ) {
            case NtStatus.NT_STATUS_INVALID_INFO_CLASS:
            case NtStatus.NT_STATUS_UNSUCCESSFUL: // NetApp Filer
                if ( !th.isSMB2() ) {

                ans = NbtAddress.getByName( host, type, scope, svr );
            } catch( UnknownHostException uhe ) {
                this.uhe = uhe;
            } catch( Exception ex ) {
                this.uhe = new UnknownHostException( ex.getMessage() );
            } finally {
                synchronized( sem ) {
                    sem.count--;
                    sem.notify();
                }
            }

                    }

                    response.notify();
                }
            }
        } catch(SocketTimeoutException ste) {
        } catch( Exception ex ) {
            if( log.level > 2 )
                ex.printStackTrace( log );
        } finally {
            tryClose();
        }
    }
    void send( NameServicePacket request, NameServicePacket response,

            int level = Trans2QueryFSInformationResponse.SMB_FS_FULL_SIZE_INFORMATION;
            try {
                return queryFSInformation(level);
            } catch( SmbException ex ) {
                switch (ex.getNtStatus()) {
                    case NtStatus.NT_STATUS_INVALID_INFO_CLASS:
                    case NtStatus.NT_STATUS_UNSUCCESSFUL: // NetApp Filer