transport_request

# File lib/net/http.rb, line 1187
    def transport_request(req)
      begin_transport req
      req.exec @socket, @curr_http_version, edit_path(req.path)
      begin
        res = HTTPResponse.read_new(@socket)
      end while res.kind_of?(HTTPContinue)
      res.reading_body(@socket, req.response_body_permitted?) {
        yield res if block_given?
      }
      end_transport req, res
      res
    rescue => exception
      D "Conn close because of error #{exception}"
      @socket.close if @socket and not @socket.closed?
      raise exception
    end