From: mr ra88it <mr.ra88it@...>
Date: 2005-12-21T06:02:56+09:00
Subject: Re: Difficulty opening a socket

Thanks again, Bob et al. It works! I appreciate your help...

On 12/20/05, Bob Showalter <bob_showalter@taylorwhite.com> wrote:
> mr ra88it wrote:
> > Thanks, everyone.
> >
> > Like I said, I know nothing about sockets and realize now I probably
> > should have asked this question elsewhere.
>
> It's fine. We just couldn't figure out what you're tying to do.
>
> > I wasn't trying to do anything except send data over some sockets with
> > ruby. Just playing.
>
> You need to go ahead and write a simple server and a client.
>
> Here's a simple "echo" server, that reads lines from the client and
> sends them back:
>
>    require 'socket'
>    sock = TCPServer.new(7777)
>    while client = sock.accept
>      puts "Connection received from #{client.peeraddr.inspect}"
>      while s = client.gets
>        client.puts s
>      end
>      puts "Connection from #{client.peeraddr.inspect} terminated"
>    end
>
> Here's a client to test the server:
>
>    require 'socket'
>    server = TCPSocket.new('localhost', 7777)
>    server.puts "Hello!"
>    puts "Server says: #{server.gets}"
>    server.close
>
> Start the server in one window. Then go to another window and run the
> server.
>
> You can also exercise your server with telnet:
>
>    telnet localhost 7777
>
> Lines that you type will be echoed back by the server. (From telnet, you
> close the connection by typing the telnet "escape" character, often ^],
> and then typing "close")
>
>