# This example required em-websocket. Install em-websocket using
#
#     gem install em-websocket
#
# Run this server
#
#     ruby server.rb

require 'rubygems'
require 'em-websocket'

EM::WebSocket.start(:host => "0.0.0.0", :port => 8080, :debug => true) do |ws|
  ws.onopen {
    puts "WebSocket open"
    EM.add_periodic_timer(5) {
      ws.send('bar')
    }
  }
  ws.onmessage { |msg|
    puts "Received #{msg}"
  }
  ws.onclose { 
    puts "WebSocket closed"
  }
end