\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef.upgrade/embedded/lib/ruby/gems/2.3.0/gems/ruby-prof-0.16.2/lib/ruby-prof/

Viewing File: rack.rb

# encoding: utf-8
require 'tmpdir'

module Rack
  class RubyProf
    def initialize(app, options = {})
      @app = app
      @options = options
      @options[:min_percent] ||= 1

      @tmpdir = options[:path] || Dir.tmpdir
      FileUtils.mkdir_p(@tmpdir)

      @printer_klasses = @options[:printers]  || {::RubyProf::FlatPrinter => 'flat.txt',
                                                  ::RubyProf::GraphPrinter => 'graph.txt',
                                                  ::RubyProf::GraphHtmlPrinter => 'graph.html',
                                                  ::RubyProf::CallStackPrinter => 'call_stack.html'}

      @skip_paths = options[:skip_paths] || [%r{^/assets}, %r{\.(css|js|png|jpeg|jpg|gif)$}]
      @only_paths = options[:only_paths]
    end

    def call(env)
      request = Rack::Request.new(env)

      if should_profile?(request.path)
        begin
          result = nil
          data = ::RubyProf::Profile.profile(profiling_options) do
            result = @app.call(env)
          end

          path = request.path.gsub('/', '-')
          path.slice!(0)

          print(data, path)
          result
        end
      else
        @app.call(env)
      end
    end

    private

    def should_profile?(path)
      return false if paths_match?(path, @skip_paths)

      @only_paths ? paths_match?(path, @only_paths) : true
    end

    def paths_match?(path, paths)
      paths.any? { |skip_path| skip_path =~ path }
    end

    def profiling_options
      options = {}
      options[:measure_mode] = ::RubyProf.measure_mode
      options[:exclude_threads] =
        if @options[:ignore_existing_threads]
          Thread.list.select{|t| t != Thread.current}
        else
          ::RubyProf.exclude_threads
        end
      if @options[:request_thread_only]
        options[:include_threads] = [Thread.current]
      end
      if @options[:merge_fibers]
        options[:merge_fibers] = true
      end
      options
    end

    def print(data, path)
      @printer_klasses.each do |printer_klass, base_name|
        printer = printer_klass.new(data)

        if base_name.respond_to?(:call)
          base_name = base_name.call
        end

        if printer_klass == ::RubyProf::MultiPrinter
          printer.print(@options.merge(:profile => "#{path}-#{base_name}"))
        elsif printer_klass == ::RubyProf::CallTreePrinter
          printer.print(@options.merge(:profile => "#{path}-#{base_name}"))
        else
          file_name = ::File.join(@tmpdir, "#{path}-#{base_name}")
          ::File.open(file_name, 'wb') do |file|
            printer.print(file, @options)
          end
        end
      end
    end
  end
end