From: Joel VanderWerf <vjoel@...>
Date: 2008-06-11T07:16:18+09:00
Subject: Re: Non blocking UDP

Leslie Viljoen wrote:
> Hello!
> 
> I need to make a UDP server that waits for clients to log on and then drives
> communication from the server side. This means that if a client doesn't ack
> subsequent comms from the server, the server needs to resend those
> comms a few times before giving up.
> 
> I have gotten as far as a successful UDP server, but it blocks the thread
> forever, and having a server constantly breaking out of
> socket.recvfrom using Timeout
> does not seem to work at all (port never seems open). I need a UDP wait
> with a timeout.
> 
> I have looked at several UDP examples, and tried the sparse docs here:
> http://ruby-doc.org/stdlib/libdoc/socket/rdoc/classes/Socket.html#M004528
> 
> - but no luck yet. I tried recvfrom_nonblock as a guess but it seems to
> block anyway.
> 
> Any tips?
> 
> Les

IO#select ?

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407