Re: Event-driven programming

[Paolo Molaro <lupus ximian com>]

On 04/24/01 dLux wrote:
> I have  a question regarding  to the event-driven programming  in Gtk.
> I  have  read  the  Gtk::cookbook,  so  the  question  is  quite  more
> advanced than the things found there.
>   I  want  to design  a  general  event-driven mechanism  which  works
> between  processes,  not only  inside  a  single  program. I  want  to
> declare system-global names  (imagine this like file  names) for data,
> and I want to  install handlers for this file changes.  I think I make
> a pipe  with the system-global name  in a specified name,  e.g. I will
> make a  pipe in /tmp/comm/todo_data.  But the  problem is that  a pipe
> is  only one  good for  one-to-one communication.  I want  one-to-more
> communication without too much complexity.
>   Currently I  am thinking about a  daemon, which binds a  unix domain
> socket, and accepts  connections. If someone writes to  the socket, it
> multiplexes  that  to the  other  sockets.  Sophisticated methods  can
> also  be developed  (it  can maintain  subscriber's  list for  events,
> etc).
>   Does anyone has more elegant solution for this problem?

Not really a gtk/perl question, but....
You should probably have a look at the perlipc manpage.
The POE module may be also useful to some extent, maybe to
get some ideas out of it.

lupus

-- 
-----------------------------------------------------------------
lupus debian org                                     debian/rules
lupus ximian com                             Monkeys do it better