Actuable Websockets

gistfile1.rb

# Little proof of concept of how to implement a websocket server 
# using Redis PubSub capabilities and Cramp (http://cramp.in/)

class ActuableWS < Cramp::Websocket
  on_start :create_redis
  on_finish :destroy_redis

  def create_redis
    @sub = EM::Hiredis.connect("redis://localhost:6379")
    @sub.subscribe('actuable-realtime')
    @sub.on(:message) do |channel, message|
      render(message)
    end
  end

  def destroy_redis
    @sub.close_connection
  end
end