Re: using ORBit_small_listen_for_broken() with bonobo objects

A Seg, 2004-07-12 às 08:10, Ben Liblit escreveu:
> I have a fairly simple server implemented as a Bonobo factory.  Each 
> client causes the factory to create one instance of a trivial 
> BonoboObject subclass.  The factory uses 
> bonobo_running_context_auto_exit_unref() to exit when the last client 
> shuts down.  This works fine when clients exit properly, but not when 
> clients die abruptly, e.g. by crashing.
> 
> It seems that ORBit_small_listen_for_broken() is the thing to use here. 
>   But I don't see how to hook that up properly:
> 
> Given an instance of a BonoboObject subclass, how do I obtain the 
> corresponding CORBA_Object to use in the call to 

  CORBA_Object ref = BONOBO_OBJREF(server);

> ORBit_small_listen_for_broken()?  Is that even a meaningful thing to ask 
> for, or is the BonoboObject/CORBA_Object relationship more subtle?

  I don't think it makes much sense what you're trying to do. 
ORBit_small_listen_for_broken() is meant to be used by the clients of a
particular server object do detect when the connection with the server
got lost.  In the server side there is no connection with its own
objects, so...

> 
> Suppose ORBit_small_listen_for_broken() calls me back, and tells me that 
> a connection has indeed been broken.  What should I do with the 
> BonoboObject instance in the server?  How do I inform this instance (and 
> its factory) that it should go away?  Do I use bonobo_object_unref(), 
> bonobo_object_release_unref(), ... ?
> 
> Thank you for your help!
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-- 
Gustavo João Alves Marques Carneiro
<[email protected]> <[email protected]>
The universe is always one step beyond logic.