From: lists <lists@...>
Date: 2005-10-03T02:12:02+09:00
Subject: Re: Sending YAML over TCP

Wow, I didn't know about drb.  That does indeed do what I want more  
elegantly.  Brian, I'm keeping you're example of sending YAML in case  
I need it for a different project.  Thanks to all who replied.

-Ryan


On Oct 1, 2005, at 6:23 PM, lists wrote:

> Hi,
>     I'm trying to send simple data structures (hashes) to a daemon  
> process one one machine from a client process via TCP.  I thought  
> the best way to do this would be with XML or YAML.  Here's my  
> simple server:
>
> ---
> require 'socket'
>
> server = TCPServer.new('127.0.0.1', 8080)
>
> while (session = server.accept)
>   session.puts session.gets
>   session.close
> end
> ---
>
> Here's my simple client:
>
> ---
> require 'socket'
> require 'yaml'
> require 'base64'
>
> hash = { 'one'=>'1', 'two'=>'2'} # Send this to the server and get  
> it back
>
> client = TCPSocket.new('127.0.0.1', 8080)
> client.puts Base64.encode64(h.to_yaml)
> hash = YAML.load( Base64.decode64(client.gets) )
> client.close
> p hash
> ---
>
> Obviously I don't know what I'm doing :-)  The above client/server  
> works for my simple purposes, but I wanted to know if there's a  
> better way to pass hashes from the client to the server and back.   
> I'd prefer to stick with YAML (rather than XML) if possible.
>
> Thanks,
> Ryan
>
>