Non-working mtgox socket.io ruby code

gistfile1.rb

require 'rubygems'
require 'socketIO'

client = SocketIO.connect("https://socketio.mtgox.com/mtgox") do
  before_start do |f|
    on_disconnect { p "disconnected"}
    on_connect { p "connected" }
    on_heartbeat { p "."}
    on_message { |msg| p msg }
    on_json_message { |json| p json}
    on_ack { p "ack"}
    on_error { |data| p data }
    on_noop { p "noop"}
  end
  
  on_event("message") do |e|
    p e
  end
  
  after_start do
    emit("op: subscribe", "channel: dbf1dee9-4f2e-4a08-8cb7-748919a71b21")
    emit("op: subscribe", "channel: d5f06780-30a8-4a48-a2f8-7ed181b4a13f")
  end
end