[omniORB] Callback problem

[Andrew Parkin]

Thanks to everyone who replied and pointed out what I was doing wrong - I
have now got the callbacks working!

Cheers
Andrew

> -----Original Message-----
> From: Duncan Grisby [mailto:dgrisby@uk.research.att.com]
> Sent: 16 February 2001 15:34
> To: omniorb-list@uk.research.att.com
> Subject: Re: [omniORB] Callback problem 
> 
> 
> On Friday 16 February, Andrew Parkin wrote:
> 
> > /** IMPLEMENTATION OF CorbaRemoteSMListener */
> > class CorbaRemoteSMListenerImpl: sms::_impl_CorbaRemoteSMListener
> 
> You should never derive from the _impl class. It's an internal omniORB
> specific thing. You should derive your servant class from
> POA_sms::CorbaRemoteSMListener.
> 
> > /** CODE TO PASS THE CALLBACK */
> > CorbaRemoteSMListenerImpl* corbaRemoteSMListenerImpl = new
> > CorbaRemoteSMListenerImpl();
> > CORBA::String_var ticketID = e->submitMessageGetEvents(msgStruct,
> > (sms::_objref_CorbaRemoteSMListener*)corbaRemoteSMListenerImpl);
> 
> As Stefan has already posted, code which has to subvert the C++ type
> system is usually wrong. This code certainly is. You should use the
> proper POA functions.
> 
> I strongly recommend that you study the omniORB example programs, and
> get hold of a good book on the CORBA C++ mapping. "Advanced CORBA
> Programming with C++" by Henning and Vinoski is the best bet. Don't be
> put off by the "Advanced" in the title -- it starts out with the
> basics.
> 
> Cheers,
> 
> Duncan.
> 
> -- 
>  -- Duncan Grisby  \  Research Engineer  --
>   -- AT&T Laboratories Cambridge          --
>    -- http://www.uk.research.att.com/~dpg1 --
>