my $xml = XML::Mini::Document->new();
    $xml->parse( $mesg );
    my $xmlHash = $xml->toHash;
    
    if( exists( $xmlHash->{cafe_psfsn} ) )    #****
    {
        $self->{runLevel} = 1 if( $self->{runLevel} < 1 );
        return $self->{cmdGen}->cafeMesg();
    }
    elsif( exists $xmlHash->{version} && $self->{runLevel} >= 1 ) {
        return $self->{cmdGen}->versionMesg( $self->{config} ); }
    elsif( exists $xmlHash->{get_version} && $self->{runLevel} >= 1 ) {
        $self->{runLevel} = 2 if( $self->{runLevel} < 2 );
        return $self->{cmdGen}->versionMesg( $self->{config} ); }
    elsif( exists $xmlHash->{get_prog} && $$self->{runLevel} >= 2 )
    {
        # generiere update system object
        $self->{upSys} = UpdaterSystem->new( $self->{config}->{GENERAL}->{programfilename} );
        return $self->{cmdGen}->progMesg( $self->{upSys}->getFileParams(
               
     $self->{config}->{VERSION}->{prog} ) );
    }
    elsif( exists $xmlHash->{login} && $self->{runLevel} >= 2 ) {
        $self->{runLevel} = 3 if( $self->{runLevel} < 3 ); }
    elsif( exists $xmlHash->{logout} && $self->{runLevel} >= 3 ) { }
    elsif( exists $xmlHash->{disconnect} ) { exit; }
    elsif( exists $xmlHash->{error} ) { }
    elsif( exists $xmlHash->{search} && $self->{runLevel} >= 3 ) { }
    elsif( exists $xmlHash->{ok} ) {        
        &okMesg( $self, $xmlHash ); }
}