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      instrument("!render_template".freeze) do
        compile!(view)
        view.send(method_name, locals, buffer, &block)
      end
    rescue => e
      handle_render_error(view, e)

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          instrumenter.instrument(name, payload) { yield payload if block_given? }
        else
          yield payload if block_given?
        end
      end

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        case action
        when "!render_template".freeze
          ActiveSupport::Notifications.instrument("!render_template.action_view".freeze, payload, &block)
        else
          ActiveSupport::Notifications.instrument("#{action}.action_view".freeze, payload, &block)
        end

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    # consume this in production. This is only slow if it's being listened to.
    def render(view, locals, buffer=nil, &block)
      instrument("!render_template".freeze) do
        compile!(view)
        view.send(method_name, locals, buffer, &block)
      end

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        view = @view
        view.view_flow.set(:layout, content)
        layout.render(view, locals){ |*name| view._layout_for(*name) }
      else
        content
      end

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      view, locals = @view, locals || {}

      render_with_layout(layout_name, locals) do |layout|
        instrument(:template, :identifier => template.identifier, :layout => layout.try(:virtual_path)) do
          template.render(view, locals) { |*name| view._layout_for(*name) }
        end

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      @lookup_context.rendered_format ||= (template.formats.first || formats.first)

      render_template(template, options[:layout], options[:locals])
    end

    private

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    # Direct access to template rendering.
    def render_template(context, options) #:nodoc:
      TemplateRenderer.new(@lookup_context).render(context, options)
    end

    # Direct access to partial rendering.

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        render_partial(context, options)
      else
        render_template(context, options)
      end
    end

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        lookup_context.variants = variant if variant

        view_renderer.render(context, options)
      end

      # Assign the rendered format to look up context.

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          Rack::Chunked::Body.new view_renderer.render_body(view_context, options)
        else
          super
        end
      end
  end

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    def render_to_body(options = {})
      _process_options(options)
      _render_template(options)
    end

    def rendered_format

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    def render_to_body(options = {})
      super || _render_in_priorities(options) || ' '
    end

    private

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    # <tt>ActionView::Rendering.render_to_body</tt>, if present.
    def render_to_body(options)
      _render_to_body_with_renderer(options) || super
    end

    def _render_to_body_with_renderer(options)

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    def render(*args, &block)
      options = _normalize_render(*args, &block)
      rendered_body = render_to_body(options)
      if options[:html]
        _set_html_content_type
      else

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    def render(*args) #:nodoc:
      raise ::AbstractController::DoubleRenderError if self.response_body
      super
    end

    # Overwrite render_to_string because body can now be set to a rack body.

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      render_output = nil
      self.view_runtime = cleanup_view_runtime do
        Benchmark.ms { render_output = super }
      end
      render_output
    end

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  #   # => 0.074
  def ms
    1000 * realtime { yield }
  end
end

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  def realtime # :yield:
    r0 = Process.clock_gettime(Process::CLOCK_MONOTONIC)
    yield
    Process.clock_gettime(Process::CLOCK_MONOTONIC) - r0
  end

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  #   # => 0.074
  def ms
    1000 * realtime { yield }
  end
end

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      render_output = nil
      self.view_runtime = cleanup_view_runtime do
        Benchmark.ms { render_output = super }
      end
      render_output
    end

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    # :api: plugin
    def cleanup_view_runtime #:nodoc:
      yield
    end

    # Every time after an action is processed, this method is invoked

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          db_rt_before_render = ActiveRecord::LogSubscriber.reset_runtime
          self.db_runtime = (db_runtime || 0) + db_rt_before_render
          runtime = super
          db_rt_after_render = ActiveRecord::LogSubscriber.reset_runtime
          self.db_runtime += db_rt_after_render
          runtime - db_rt_after_render

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    def render(*args)
      render_output = nil
      self.view_runtime = cleanup_view_runtime do
        Benchmark.ms { render_output = super }
      end
      render_output

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    def default_render(*args)
      if template_exists?(action_name.to_s, _prefixes, variants: request.variant)
        render(*args)
      else
        if block_given?
          yield(*args)

2
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  module BasicImplicitRender
    def send_action(method, *args)
      super.tap { default_render unless performed? }
    end

    def default_render(*args)

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  module BasicImplicitRender
    def send_action(method, *args)
      super.tap { default_render unless performed? }
    end

    def default_render(*args)

2
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  module BasicImplicitRender
    def send_action(method, *args)
      super.tap { default_render unless performed? }
    end

    def default_render(*args)

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      # which is *not* necessarily the same as the action name.
      def process_action(method_name, *args)
        send_action(method_name, *args)
      end

      # Actually call the method associated with the action. Override

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    def process_action(*) #:nodoc:
      self.formats = request.formats.map(&:ref).compact
      super
    end

    # Check for double render errors and set the content_type after rendering.

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    def process_action(*args)
      run_callbacks(:process_action) do
        super
      end
    end

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        def call(env)
          block = env.run_block
          env.value = !env.halted && (!block || block.call)
          env
        end
      end

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      def compile
        @callbacks || @mutex.synchronize do
          final_sequence = CallbackSequence.new { |env| Filters::ENDING.call(env) }
          @callbacks ||= @chain.reverse.inject(final_sequence) do |callback_sequence, callback|
            callback.apply callback_sequence
          end

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      def call(arg)
        @before.each { |b| b.call(arg) }
        value = @call.call(arg)
        @after.each { |a| a.call(arg) }
        value
      end

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        runner = callbacks.compile
        e = Filters::Environment.new(self, false, nil, block)
        runner.call(e).value
      end
    end

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          module_eval <<-RUBY, __FILE__, __LINE__ + 1
            def _run_#{name}_callbacks(&block)
              __run_callbacks__(_#{name}_callbacks, &block)
            end
          RUBY
        end

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    #   end
    def run_callbacks(kind, &block)
      send "_run_#{kind}_callbacks", &block
    end

    private

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    # process_action callbacks around the normal behavior.
    def process_action(*args)
      run_callbacks(:process_action) do
        super
      end
    end

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    private
      def process_action(*args)
        super
      rescue Exception => exception
        request.env['action_dispatch.show_detailed_exceptions'] ||= show_detailed_exceptions?
        rescue_with_handler(exception) || raise(exception)

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      ActiveSupport::Notifications.instrument("process_action.action_controller", raw_payload) do |payload|
        begin
          result = super
          payload[:status] = response.status
          result
        ensure

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      def instrument(name, payload = {})
        if notifier.listening?(name)
          instrumenter.instrument(name, payload) { yield payload if block_given? }
        else
          yield payload if block_given?
        end

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        listeners_state = start name, payload
        begin
          yield payload
        rescue Exception => e
          payload[:exception] = [e.class.name, e.message]
          payload[:exception_object] = e

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      def instrument(name, payload = {})
        if notifier.listening?(name)
          instrumenter.instrument(name, payload) { yield payload if block_given? }
        else
          yield payload if block_given?
        end

27
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      ActiveSupport::Notifications.instrument("start_processing.action_controller", raw_payload.dup)

      ActiveSupport::Notifications.instrument("process_action.action_controller", raw_payload) do |payload|
        begin
          result = super
          payload[:status] = response.status

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        request.filtered_parameters.merge! wrapped_filtered_hash
      end
      super
    end

    private

16
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        # and it won't be cleaned up by the method below.
        ActiveRecord::LogSubscriber.reset_runtime
        super
      end

      def cleanup_view_runtime

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      @_response_body = nil

      process_action(action_name, *args)
    end

    # Delegates to the class' ::controller_path

28
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33
              

    def process(*) #:nodoc:
      old_config, I18n.config = I18n.config, I18nProxy.new(I18n.config, lookup_context)
      super
    ensure
      I18n.config = old_config
    end

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      set_request!(request)
      set_response!(response)
      process(name)
      request.commit_flash
      to_a
    end

262
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        middleware_stack.build(name) { |env| new.dispatch(name, req, res) }.call req.env
      else
        new.dispatch(name, req, res)
      end
    end
  end

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53
              

        def dispatch(controller, action, req, res)
          controller.dispatch(action, req, res)
        end
      end

30
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33
34
35
              

          controller = controller req
          res        = controller.make_response! req
          dispatch(controller, params[:action], req, res)
        rescue ActionController::RoutingError
          if @raise_on_name_error
            raise

40
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43
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          req.path_parameters = set_params.merge parameters

          status, headers, body = route.app.serve(req)

          if 'pass' == headers['X-Cascade']
            req.script_name     = script_name

27
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      def serve(req)
        find_routes(req).each do |match, parameters, route|
          set_params  = req.path_parameters
          path_info   = req.path_info
          script_name = req.script_name

27
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      def serve(req)
        find_routes(req).each do |match, parameters, route|
          set_params  = req.path_parameters
          path_info   = req.path_info
          script_name = req.script_name

722
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724
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726
727
              

        req = make_request(env)
        req.path_info = Journey::Router::Utils.normalize_path(req.path_info)
        @router.serve(req)
      end

      def recognize_path(path, environment = {})

12
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16
17
              

      def call(env)
        ActionView::Digestor.cache.clear
        app.call(env)
      end
    end

23
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28
              

    def call(env)
      status, headers, body = @app.call(env)

      if etag_status?(status) && etag_body?(body) && !skip_caching?(headers)
        original_body = body

23
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28
              

      case env[REQUEST_METHOD]
      when "GET", "HEAD"
        status, headers, body = @app.call(env)
        headers = Utils::HeaderHash.new(headers)
        if status == 200 && fresh?(env, headers)
          status = 304

10
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15
              

    def call(env)
      status, headers, body = @app.call(env)

      if env[REQUEST_METHOD] == HEAD
        [

218
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223
              

          req = make_request env
          prepare_session(req)
          status, headers, body = app.call(req.env)
          res = Rack::Response::Raw.new status, headers
          commit_session(req, res)
          [status, headers, body]

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        def call(env)
          context(env)
        end

        def context(env, app=@app)

606
607
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609
610
611
              

      request = ActionDispatch::Request.new env

      status, headers, body = @app.call(env)

      if request.have_cookie_jar?
        cookie_jar = request.cookie_jar

34
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37
38
39
              

      connection.enable_query_cache!

      response = @app.call(env)
      response[2] = Rack::BodyProxy.new(response[2]) do
        restore_query_cache_settings(connection_id, enabled)
      end

961
962
963
964
965
966
              

        testing = env['rack.test']

        status, headers, body = @app.call(env)
        proxy = ::Rack::BodyProxy.new(body) do
          ActiveRecord::Base.clear_active_connections! unless testing
        end

556
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559
560
561
              

          end
        end
        @app.call(env)
      end

      private

27
28
29
30
31
32
              

      result = run_callbacks :call do
        begin
          @app.call(env)
        rescue => error
        end
      end

95
96
97
98
99
100
              

    def __run_callbacks__(callbacks, &block)
      if callbacks.empty?
        yield if block_given?
      else
        runner = callbacks.compile
        e = Filters::Environment.new(self, false, nil, block)

748
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750
751
752
753
              

          module_eval <<-RUBY, __FILE__, __LINE__ + 1
            def _run_#{name}_callbacks(&block)
              __run_callbacks__(_#{name}_callbacks, &block)
            end
          RUBY
        end

88
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91
92
93
              

    #   end
    def run_callbacks(kind, &block)
      send "_run_#{kind}_callbacks", &block
    end

    private

25
26
27
28
29
30
              

    def call(env)
      error = nil
      result = run_callbacks :call do
        begin
          @app.call(env)
        rescue => error

69
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71
72
73
74
              

      prepare!

      response = @app.call(env)
      response[2] = ::Rack::BodyProxy.new(response[2]) { cleanup! }

      response

77
78
79
80
81
82
              

      req = ActionDispatch::Request.new env
      req.remote_ip = GetIp.new(req, check_ip, proxies)
      @app.call(req.env)
    end

    # The GetIp class exists as a way to defer processing of the request data

47
48
49
50
51
52
              

    def call(env)
      request = ActionDispatch::Request.new env
      _, headers, body = response = @app.call(env)

      if headers['X-Cascade'] == 'pass'
        body.close if body.respond_to?(:close)

129
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132
133
134
              

      def call_app(env)
        @app.call(env)
      rescue => e
        throw :app_exception, e
      end

26
27
28
29
30
31
              

        end

        status, headers, body = call_app(env)

        if session = Session.from(Thread.current) and acceptable_content_type?(headers)
          response = Response.new(body, status, headers)

16
17
18
19
20
21
              

    def call(env)
      app_exception = catch :app_exception do
        request = create_regular_or_whiny_request(env)
        return call_app(env) unless request.from_whitelisted_ip?

16
17
18
19
20
21
              

    def call(env)
      app_exception = catch :app_exception do
        request = create_regular_or_whiny_request(env)
        return call_app(env) unless request.from_whitelisted_ip?

29
30
31
32
33
34
              

    def call(env)
      request = ActionDispatch::Request.new env
      @app.call(env)
    rescue Exception => exception
      if request.show_exceptions?
        render_exception(request, exception)

40
41
42
43
44
45
              

        instrumenter.start 'request.action_dispatch', request: request
        logger.info { started_request_message(request) }
        resp = @app.call(env)
        resp[2] = ::Rack::BodyProxy.new(resp[2]) { finish(request) }
        resp
      rescue Exception

22
23
24
25
26
27
              

        if logger.respond_to?(:tagged)
          logger.tagged(compute_tags(request)) { call_app(request, env) }
        else
          call_app(request, env)
        end

68
69
70
71
72
73
              

    def tagged(*tags)
      formatter.tagged(*tags) { yield self }
    end

    def flush

24
25
26
27
28
29
              

      def tagged(*tags)
        new_tags = push_tags(*tags)
        yield self
      ensure
        pop_tags(new_tags.size)
      end

68
69
70
71
72
73
              

    def tagged(*tags)
      formatter.tagged(*tags) { yield self }
    end

    def flush

22
23
24
25
26
27
              

        if logger.respond_to?(:tagged)
          logger.tagged(compute_tags(request)) { call_app(request, env) }
        else
          call_app(request, env)
        end

22
23
24
25
26
27
              

      req = ActionDispatch::Request.new env
      req.request_id = make_request_id(req.x_request_id)
      @app.call(env).tap { |_status, headers, _body| headers[X_REQUEST_ID] = req.request_id }
    end

    private

20
21
22
23
24
25
              

      end

      @app.call(env)
    end

    def method_override(env)

20
21
22
23
24
25
              

    def call(env)
      start_time = Utils.clock_time
      status, headers, body = @app.call(env)
      request_time = Utils.clock_time - start_time

      unless headers.has_key?(@header_name)

26
27
28
29
30
31
              

          def call(env)
            LocalCacheRegistry.set_cache_for(local_cache_key, LocalStore.new)
            response = @app.call(env)
            response[2] = ::Rack::BodyProxy.new(response[2]) do
              LocalCacheRegistry.set_cache_for(local_cache_key, nil)
            end

11
12
13
14
15
16
              

      interlock = ActiveSupport::Dependencies.interlock
      interlock.start_running
      response = @app.call(env)
      body = Rack::BodyProxy.new(response[2]) { interlock.done_running }
      response[2] = body
      response

134
135
136
137
138
139
              

      end

      @app.call(req.env)
    end
  end
end

109
110
111
112
113
114
              

    def call(env)
      status, headers, body = @app.call(env)
      if body.respond_to?(:to_path)
        case type = variation(env)
        when 'X-Accel-Redirect'

520
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522
523
524
525
              

    def call(env)
      req = build_request env
      app.call req.env
    end

    # Defines additional Rack env configuration that is added on each call.

539
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541
542
543
544
              

      begin
        begin
          status, headers, res_body = @app.call(env)

          return :async if req.hijacked

386
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388
389
390
391
              

        while true
          case handle_request(client, buffer)
          when false
            return
          when :async

268
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270
271
272
273
              

        else
          if process_now
            process_client client, buffer
          else
            client.set_timeout @first_data_timeout
            @reactor.add client

104
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106
107
108
109
              

          begin
            block.call(work, *extra)
          rescue Exception
          end
        end