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comp.lang.ruby

Event framework?

mrt

1/3/2006 7:34:00 PM

I dabble in home automation and am looking for a framework that would
allow me to monitor and react to serial port events. I'm a long-time
Perl user and if anyone is familiar with POE, that's the type of
framework I'm looking for (an Inversion-of-Control framework where I
have agents running in separate threads monitoring serial ports,
triggering events in the main code). I've perused RAA and seen a few
possibilities, but don't see anything recently maintained. Is there a
good match for the type of thing I'm looking to do?

There are several new home automation technologies available now and
they don't yet have serial drivers, so I figure it would be a good time
to attempt the switch to Ruby. Besides, I'm moving to Ruby, VA next
month, so I figure I'd better start learning the language! :-)

- Mark.
5 Answers

Robert Klemme

1/3/2006 8:02:00 PM

0

Mark Thomas <mrt@thomaszone.com> wrote:
> I dabble in home automation and am looking for a framework that would
> allow me to monitor and react to serial port events. I'm a long-time
> Perl user and if anyone is familiar with POE, that's the type of
> framework I'm looking for (an Inversion-of-Control framework where I
> have agents running in separate threads monitoring serial ports,
> triggering events in the main code). I've perused RAA and seen a few
> possibilities, but don't see anything recently maintained. Is there a
> good match for the type of thing I'm looking to do?
>
> There are several new home automation technologies available now and
> they don't yet have serial drivers, so I figure it would be a good
> time to attempt the switch to Ruby. Besides, I'm moving to Ruby, VA
> next month, so I figure I'd better start learning the language! :-)
>
> - Mark.

IIRC there was a discussion about this recently. You might find it by
searching the archives at
http://blade.nagaokaut.ac.jp/ruby/ruby-talk/i...

Kind regards

robert

mrt

1/3/2006 9:10:00 PM

0


Robert Klemme wrote:
> Mark Thomas <mrt@thomaszone.com> wrote:
> > I dabble in home automation and am looking for a framework that would
> > allow me to monitor and react to serial port events. I'm a long-time
> > Perl user and if anyone is familiar with POE, that's the type of
> > framework I'm looking for (an Inversion-of-Control framework where I
> > have agents running in separate threads monitoring serial ports,
> > triggering events in the main code). I've perused RAA and seen a few
> > possibilities, but don't see anything recently maintained. Is there a
> > good match for the type of thing I'm looking to do?
> >
> > There are several new home automation technologies available now and
> > they don't yet have serial drivers, so I figure it would be a good
> > time to attempt the switch to Ruby. Besides, I'm moving to Ruby, VA
> > next month, so I figure I'd better start learning the language! :-)
> >
> > - Mark.
>
> IIRC there was a discussion about this recently. You might find it by
> searching the archives at
> http://blade.nagaokaut.ac.jp/ruby/ruby-talk/i...

>From this, I have gleaned the following:
- Ruby/Event is now dead.
- IO::Reactor has been stuck at 0.0.6 since 2003 (effectively dead)
- event-loop looks promising.
- there are a few others, mostly in alpha stages, that focus on file
descriptors
- I have asked a similar question before (Sorry, forgot!) but
event-loop wasn't announced at that time.

I think I'll try out event-loop.

Thanks,
- Mark.

Lawrence Oluyede

1/4/2006 11:13:00 AM

0

Il 2006-01-03, Mark Thomas <mrt@thomaszone.com> ha scritto:
> I dabble in home automation and am looking for a framework that would
> allow me to monitor and react to serial port events. I'm a long-time
> Perl user and if anyone is familiar with POE, that's the type of
> framework I'm looking for (an Inversion-of-Control framework where I
> have agents running in separate threads monitoring serial ports,
> triggering events in the main code). I've perused RAA and seen a few
> possibilities, but don't see anything recently maintained. Is there a
> good match for the type of thing I'm looking to do?
>
> There are several new home automation technologies available now and
> they don't yet have serial drivers, so I figure it would be a good time
> to attempt the switch to Ruby. Besides, I'm moving to Ruby, VA next
> month, so I figure I'd better start learning the language! :-)

If you don't complain about the language Python community has Twisted Matrix
- http://www.twisted... - that seems just what are you looking for.


--
Lawrence - http://www.oluyed...
"Anyone can freely use whatever he wants but the light at the end
of the tunnel for most of his problems is Python"

mrt

1/4/2006 5:04:00 PM

0

Yes, I considered Twisted. But it evidently has a VERY steep learning
curve; many experienced Python people are put off by it. If I had to
resort to a non-Ruby solution I'd use POE, but really I'd like to find
a Ruby solution.

Thanks,
- Mark.

Gene Tani

1/4/2006 5:44:00 PM

0


Mark Thomas wrote:
> Yes, I considered Twisted. But it evidently has a VERY steep learning
> curve; many experienced Python people are put off by it. If I had to
> resort to a non-Ruby solution I'd use POE, but really I'd like to find
> a Ruby solution.
>
> Thanks,
> - Mark.

There's another wa;y to register callbacks etc which i haven't tried
http://phrogz.net/RubyLibs/rdoc/classes/EventT...

also, have you looked at the new Oreilly Twisted book. It has a nice
cookbook-y feel to setting up clients and servers for existing
protocols, rather than rolling your own, altho Amazon review noted it's
a slim book and testing gets short shrift.