# File lib/fog/core/connection.rb, line 9
    def request(params, &block)
      unless @persistent
        reset
      end
      unless block_given?
        if (parser = params.delete(:parser))
          body = Nokogiri::XML::SAX::PushParser.new(parser)
          params[:response_block] = lambda { |chunk, remaining, total| body << chunk }
        end
      end

      response = @excon.request(params, &block)

      if parser
        body.finish
        response.body = parser.response
      end

      response
    end