class Net::HTTP::Persistent

def start connection
  connection.set_debug_output @debug_output if @debug_output
  connection.open_timeout = @open_timeout if @open_timeout
  connection.start
  socket = connection.instance_variable_get :@socket
  if socket then # for fakeweb
    @socket_options.each do |option|
      socket.io.setsockopt(*option)
    end
  end
end