Re: OpenStep Application using GDO

[Richard Frith-Macdonald]

On Friday, July 20, 2001, at 07:54 AM, ramana rao wrote:

> Hi All,
>  
>  
> Here we have a Client process which runs in OpenStep on NT, also uses 
> GUI.
> Since we can't port this to GNUstep, as GNUstep doesnot have GUI for NT.
>  
> We planning for option of Building the client procees in Openstep 
> itself but it should use GNUstep's Distributed Objects. As the client 
> has to communicate with a server process which is in GNUstep.
>  
> That is can we build a OpenStep Application which uses GNUstep's DO. 
> That is it should not use OpenStep's DO. Is it possible, if yes how?

The short answer is NO, it's not possible.

OPENSTEP and GNUstep DO are tied to the internal structure of their 
objects,
and the OPENSTEP AppKit is tied to the OPENSTEP Foundation so it can't 
use
GNUstep DO directly because the OPENSTEP Foundation and GNUstep-base 
can't co-exist
in the same process.

Your best bet therefore would be to define your own API for the 
communications
needed between the two processes, and use a TCP/IP connection with an 
NSFileHandle,
or to use something like CORBA (though that's probably far too 
heavyweight for
most applications).