From: Tom Sawyer <transami@...>
Date: 2002-09-10T03:38:50+09:00
Subject: Re: getting the IP address of the local machine

no problemo, it was eductional!

On Mon, 2002-09-09 at 12:32, M Mohr wrote:
> Dan Debertin <airboss@nodewarrior.org> writes:
> 
> > At Tue, 10 Sep 2002 00:31:36 +0900, M Mohr wrote:
> > > > oh and one other thing: how to find a free port?
> > > 
> > > you have to search a free port with trial-and-error  AFAIK.
> > > (maybe this can be done more elegant, I'm pretty new to ruby) :
> > 
> > Ouch, ouch, ouch. There's no need to do this. Just do what you'd do in
> > C -- bind to port 0, and let the system choose a port for you:
> > 
> > s = TCPServer.new('0', '0')   # Bind to all interfaces, with any port
> > 			      # > 1024.
> 
> doh', I didn't know about that. sorry for the confusion.
>  
> > (a quick grep through netstat shows that I got port 48944 this time).
> > 
> > The client classes (TCPSocket, etc.) will have a port allocated
> > dynamically in the same way.
> > 
> > Dan
> 
-- 
tom sawyer, aka transami
transami@transami.net