I thought it might be cool to have a control interface that you could talk to using IM, something like the IM client for Twitter.

Initially I was looking at XMPP4R but a little reading pointed out that there's a gem called XMPP4R-Simple. Well, simple is always good so one gem install and 45 minutes later I had a Ruby script that could log in to an XMPP server, listen to (and log) what people said, and respond with a simple message.

#!/usr/bin/env ruby

require 'rubygems'
require 'xmpp4r-simple'

logfile = File.join('..', 'log', "#{File.basename(__FILE__)}.log")
logger = Hodel3000CompliantLogger.new(logfile)

jabber = Jabber::Simple.new "[email protected]", "password"
sleep 1
jabber.status(:away, "No one here but us mice.")
sleep 1

jabber.deliver("[email protected]", "I woke up at #{Time.now}.")

loop do  
  begin
    jabber.received_messages do |msg|
      jid = msg.from.strip.to_s
      logger.info "%s said: %s" % [ jid, msg.body ]
      jabber.add(jid) if !jabber.subscribed_to?(jid)
      jabber.deliver(jid, "Nom nom nom.")
    end

    jabber.presence_updates do |update|
      jid, status, message = *update
      logger.info "#{jid} is #{status} (#{message})"
    end

    jabber.new_subscriptions do |friend, presence|
      logger.info "#{friend.jid} #{presence.type}"
      jabber.add(friend.jid) if !jabber.subscribed_to?(friend.jid)
    end
  rescue Exception => e
    logger.error e.to_s
  end
  sleep 1
end

Our own little pet XMPP client. How cute is that?

Quit yo jibba jabba, sucka!

If you've found this article useful I'd appreciate recommendations at Working With Rails.

written by
Craig
published
28 May 2008

Disagree? Found a typo? Got a question? If you'd like to have a conversation about this post, email [email protected]. I don't bite.