gistfile1.txt

require 'celluloid/io'
class EchoServer
  include Celluloid::IO

  def initialize(host, port)
    puts "*** Starting echo server on #{host}:#{port}"

    # Since we included Celluloid::IO, we're actually making a
    # Celluloid::IO::TCPServer here
    @server = TCPServer.new(host, port)
    run!
  end

  def finalize
    @server.close if @server
  end

  def run
    loop { handle_connection! @server.accept }
  end

  def handle_connection(socket)
    _, port, host = socket.peeraddr
    puts "*** Received connection from #{host}:#{port}"
    loop { socket.write socket.readpartial(4096) }
  rescue EOFError
    puts "*** #{host}:#{port} disconnected"
  end
end

EchoServer.new('localhost', 5000)

stdout

*** Starting echo server on localhost:5000
I, [2012-04-18T19:44:09.638580 #11337]  INFO -- : Terminating 1 actors...
I, [2012-04-18T19:44:09.639408 #11337]  INFO -- : Shutdown completed cleanly