Example of subclassing WebSocket::Connection

gistfile1.rb

require 'rubygems'
require 'eventmachine'
require 'em-websocket'

class CustomWSConnection < EventMachine::WebSocket::Connection
  def trigger_on_message(msg)
    send "Pong: #{msg}"
  end
  def trigger_on_open
    send "Hello Client!"
  end
  def trigger_on_close
    puts "WebSocket closed"
  end
end

EM.run {
  EM.start_server('0.0.0.0', 8080, CustomWSConnection, {:debug => true})
}