Net::HTTPSession#end_transport

# File tmp/rubies/ruby-3.4.1/lib/net/http.rb, line 2479
def end_transport(req, res)
  @curr_http_version = res.http_version
  @last_communicated = nil
  if @socket.closed?
    debug 'Conn socket closed'
  elsif not res.body and @close_on_empty_response
    debug 'Conn close'
    @socket.close
  elsif keep_alive?(req, res)
    debug 'Conn keep-alive'
    @last_communicated = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  else
    debug 'Conn close'
    @socket.close
  end
end