From: Joel VanderWerf <vjoel@...>
Date: 2004-01-23T08:39:40+09:00
Subject: Re: how to broadcast UDP packets

Florian Frank wrote:
> On Thu, 2004-01-22 at 22:38, Joel VanderWerf wrote:
> 
>>Any help is appreciated.
> 
> 
> Try "0.0.0.0" as host in your server.

That's it. Thanks a lot, Florian.

Btw, nil also works as the host for the server, as below (I guess it's a 
ruby convenience):

socket = UDPSocket.open
socket.setsockopt(Socket::SOL_SOCKET, Socket::SO_BROADCAST, true)
socket.send("sample data", 0, nil, port) # nil or "0.0.0.0"