#!/usr/bin/env ruby

require './app'
require 'eventmachine'

class FingerServer < EM::Connection
  def receive_data(data)
    data.strip!

    if data =~ /\A\w+\z/
      puts "got a request for user #{data}"
      o = User.finger_output(data)

      send_data(o)
      send_data("\r\n\r\n")
    else
      send_data "Sorry, I can't help ya."
    end

    close_connection_after_writing
  rescue
    close_connection_after_writing
  end
end

EventMachine.run do
  Signal.trap("INT")  { EventMachine.stop }
  Signal.trap("TERM") { EventMachine.stop }

  puts "Starting finger daemon on port 79"

  EventMachine.start_server("0.0.0.0", 79, FingerServer)
end