[omniORB] Re: GIOP protocol error

[Sean Parker]

Correction - I'm using OO 4.0.6

--- Sean Parker <supinlick at yahoo.com> wrote:

> > 
> > One thing I did fix in this new version was changing
> one
> > of
> > my struct contents from numbers-plus-string to all
> > numbers
> > (a Date type) which is likely passed in this data. (
> 
> I meant to add [before the 'send' button interrupted me
> :-)]:
> 
> related to message: '[omniORB] fixed-length structs'
> responded by Fischer, Clemens, response to my previous
> issue follows:
> 
> "Hi [Sean],
> 
> the difference in fixed-length and variable-length
> structs
>  is that the former ones are returned by value, not by
>  pointer. Yet another of the thousand pitfalls in the IDL
> to C++
>  mapping.
> 
> In case your get() method is an implemetatation of a
> CORBA
>  interface method, the correct signature would be
> DateTime
>  get( <stuff> ). It's also not necessary to create a
> DateTime
>  instance on the heap. You can simply do it like this:
> 
>   DateTime get( <stuff> )
>   {
>     DateTime ret;
>     ret.year = 2007;
>     ...
>     ret.seconds = 0;
>     return ret;
>   }
> 
> So you don't need the _var type at all. I guess it's only
>  there for symmetry and in case you later want to make
> the
>  struct variable-length without changing your code.
> 
> If you take a look at _CORBA_ConstrType_Fix_Var, you'll
>  notice that it handles its content by value instead of
> pointer
>  and immediately deletes the value passed as pointer to
> its
>  contructor.
> 
> Kind Regards
> Clemens Fischer
> "
> 
> 
> 
> 
> God Bless 
>     Sean Parker 
> 
> 
> 
> 
> 
>        
>
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God Bless 
    Sean Parker 





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