EXTERNAL:[omniORB] Experience with dotnet (C#) and omniORB?

[Martin B.]

Thanks for this description!

Do I understand you correctly in that you use omniORB/C++ as 
communication layer even for communication btw. two dotnet applications?

cheers,
Martin

On 14.12.2010 16:09, Obermaier, Stephen J (IS) wrote:
> Martin -
>
> We do a lot of .NET work (both C# and C++) and use both omniORB and
> omniEvents as the communications medium between the various
> applications.  What we have done is built a number of interface dll's in
> C++ (with clr support) to wrapper the implementation classes derived
> from the idl. This essentially allows all .net language implementations
> access to the same interface(s).  The client side is quite
> straightforward.  Each interface dll method accepts managed data,
> converts the data to unmanaged types and invokes the appropriate
> requests to the designated servant.  The server side gets a bit more
> complicated, depending on what you are trying to do.  In a typical
> scenario, a server implementation accesses a managed servant via a
> delegate (defined via the .net interoperable services) to supply
> whatever data is requested.  The thing is, you do this once and you have
> a cookie cutter that you can build all your interfaces from.
>
> We also wrappered all the normal tasks that that an application would
> typically perform (ORB initialization, interaction with Names, etc.).
>
> We looked at IIOP a number of years ago (it's been around for a while),
> but we wanted a common infrastructure that allowed interoperability
> between both managed and unmanaged applications.  Also, from what I
> recall, it may not have supported the services like Names and Events).
>
> Stephen J. Obermaier
>
>
> -----Original Message-----
> From: omniorb-list-bounces at omniorb-support.com
> [mailto:omniorb-list-bounces at omniorb-support.com] On Behalf Of Martin B.
> Sent: Tuesday, December 14, 2010 3:57 AM
> To: omniORB-list at omniorb-support.com
> Subject: EXTERNAL:[omniORB] Experience with dotnet (C#) and omniORB?
>
> Hi all!
>
> I know there's IIOP.NET [1] and I have found an old posting of Duncan
> [2], where: (Thu Dec 14 16:53:10 GMT 2006)
>     >  P.S. Yes, I know that there is also IIOP.NET.
>     I would imagine that's a far more sensible way
>     of doing CORBA work from C#.
>
> Currently I can see two options for communicating btw. the dotnet part
> of our system with the native C++ part:
> * Either I use IIOP.NET
> * Or, I make a native C++ DLL that handles the CORBA communication via
> omniORB and define a custom interface for that DLL so that it can be
> loaded and used by a managed app. (We already do this at one place, and
> technically it isn't a problem, but obviously it is more maintenance
> work.)
>
> I therefore wanted to ask any omniORB users if they could share (recent)
>
> experience of interfacing native C++ CORBA with dotnet(C#) applications.
>
> thanks!
> - Martin
>
>
> [1] IIOP.NET : http://iiop-net.sourceforge.net/
>
> [2] "How to use omniORB from C# " :
> http://www.omniorb-support.com/pipermail/omniorb-list/2006-December/0282
> 80.html
>
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