Net::HTTP#transport_request

# File tmp/rubies/ruby-3.0.5/lib/net/http.rb, line 1544
def transport_request(req)
  count = 0
  begin
    begin_transport req
    res = catch(:response) {
      begin
        req.exec @socket, @curr_http_version, edit_path(req.path)
      rescue Errno::EPIPE
        # Failure when writing full request, but we can probably
        # still read the received response.
      end

      begin
        res = HTTPResponse.read_new(@socket)
        res.decode_content = req.decode_content
      end while res.kind_of?(HTTPInformation)

      res.uri = req.uri

      res
    }
    res.reading_body(@socket, req.response_body_permitted?) {
      yield res if block_given?
    }
  rescue Net::OpenTimeout
    raise
  rescue Net::ReadTimeout, IOError, EOFError,
         Errno::ECONNRESET, Errno::ECONNABORTED, Errno::EPIPE, Errno::ETIMEDOUT,
         # avoid a dependency on OpenSSL
         defined?(OpenSSL::SSL) ? OpenSSL::SSL::SSLError : IOError,
         Timeout::Error => exception
    if count < max_retries && IDEMPOTENT_METHODS_.include?(req.method)
      count += 1
      @socket.close if @socket
      D "Conn close because of error #{exception}, and retry"
      retry
    end
    D "Conn close because of error #{exception}"
    @socket.close if @socket
    raise
  end

  end_transport req, res
  res
rescue => exception
  D "Conn close because of error #{exception}"
  @socket.close if @socket
  raise exception
end