Re: Serious Bonobo Problem for Sun

[Dietmar Maurer <dietmar ximian com>]

Colm Smyth wrote:

> >From: Dietmar Maurer <dietmar ximian com>
> >X-Accept-Language: en
> >MIME-Version: 1.0
> >To: Colm Smyth <Colm Smyth Sun COM>
> >CC: darin eazel com, sandmann daimi au dk, michael ximian com, mjs eazel com,
> miguel ximian com, brian cameron ireland sun com,
> gnome-components-list gnome org, Brian Cameron Sun COM
> >Subject: Re: Serious Bonobo Problem for Sun
> >Content-Transfer-Encoding: 7bit
> >
> >Colm Smyth wrote:
> >
> >> 1. middleware notifies server of client death; this is the best solution
> >>    as it is transparent and operates at the a common low level; since the
> >>    middleware is CORBA which (I believe) has no standard that supports
> >>    client death notification, this can't be used.
> >
> >Yes, this is not supported.
> >
> >> 2. server pings clients; since a client normally invokes a server, this
> >>    is a slightly unusual situation but bi-directional communication is
> >>    supported by recent GIOP standard; technically possible, but it
> >>    complicates the architecture by requiring clients to export a
> >>    CORBA interface so not to be recommended; if this mechanism were
> >>    chosen, it would be best if the Client::ping() interface were
> >>    asynchronous.
> >
> >The server does not know it's clients, and a client can pass server object
> >references to other clients. I think this will never work.
>
> If this solution was adopted, we would add a register_client() method
> to the Bonobo Unknown interface - pretty simple.

And if you pass an server object to another client you have to unregister
the old client, and register the new one? IMHO not "pretty simple".

- Dietmar