timeout.rb

  def receive_packet
    begin
      Timeout.timeout(@timeout) do
        packet_string, addr = @udp_socket.recvfrom(@buffer_size)
        packet = Packet.from_string(packet_string)

        puts "Returning packet"
        return packet
        # unless packet.corrupted?
        #   unless packet.is_duplicate?(@expected_seq_number)
        #     return packet
        #   else
        #     puts "Received duplicate packet"
        #   end
        # else
        #   puts "Corrupted packets"
        # end
      end
    rescue Timeout::Error
      return nil
    rescue Timeout::ExitException
      return nil
    end
  end