From: Francis Cianfrocca <garbagecat10@...>
Date: 2006-06-21T03:38:26+09:00
Subject: Re: How to get the response from a UDP socket.

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Joel:
So you think that all of the OP's code is client-side code? And he's just
using the word "server_thread" to indicate that he's looking for a response
on that thread, not that it's on the server?


If that's true, then he can dispense with the thread, the bind and the
connect, provided he knows how the "device" is sending a response packet to
him. Many services that accept UDP requests will return responses to the
same address and port that the requests came from. (This is usually an
ephemeral port.) Some services (like NTP) send responses to a well-known
port, to which the client must bind. Assuming the former, this code should
work:

u = UDPSocket.new
u.send( "UDP Message", 0, server_ip_address, server_port)
response = u.recv(4096)

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