require 'drb/drb'
# Run as '$0 server' to start the DRb server
if ARGV.first && "server" =~ Regexp.new(ARGV.first)
  class Greeter
    def greet(stream)
      @count ||= 0
      @count += 1
      stream.puts "hi! [#@count]"
    end
  end
  DRb.start_service("druby://127.0.0.1:3434", Greeter.new)
  DRb.thread.join
else                            # Run the client
  DRb.start_service("druby://localhost:0") # this allows Ruby to pass streams over DRb
  greeter = DRbObject.new_with_uri "druby://127.0.0.1:3434"
  greeter.greet($stdout)
end