Class: Rack::MiniProfiler::ClientSettings

Inherits:
Object
  • Object
show all
Defined in:
lib/mini_profiler/client_settings.rb

Constant Summary collapse 

"__profilin"
BACKTRACE_DEFAULT = 
nil
BACKTRACE_FULL = 
1
BACKTRACE_NONE = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ ClientSettings

Returns a new instance of ClientSettings.



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# File 'lib/mini_profiler/client_settings.rb', line 15

def initialize(env)
  request = ::Rack::Request.new(env)
  @cookie = request.cookies[COOKIE_NAME]
  if @cookie
    @cookie.split(",").map{|pair| pair.split("=")}.each do |k,v|
      @orig_disable_profiling = @disable_profiling = (v=='t') if k == "dp"
      @backtrace_level = v.to_i if k == "bt"
    end
  end

  @backtrace_level = nil if !@backtrace_level.nil? && (@backtrace_level == 0 || @backtrace_level > BACKTRACE_NONE)
  @orig_backtrace_level = @backtrace_level

end

Instance Attribute Details

#backtrace_level ⇒ Object

Returns the value of attribute backtrace_level.



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# File 'lib/mini_profiler/client_settings.rb', line 12

def backtrace_level
  @backtrace_level
end

#disable_profiling ⇒ Object

Returns the value of attribute disable_profiling.



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# File 'lib/mini_profiler/client_settings.rb', line 11

def disable_profiling
  @disable_profiling
end

Instance Method Details

#backtrace_default? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_profiler/client_settings.rb', line 56

def backtrace_default?
  @backtrace_level == BACKTRACE_DEFAULT
end

#backtrace_full? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_profiler/client_settings.rb', line 52

def backtrace_full?
  @backtrace_level == BACKTRACE_FULL
end

#backtrace_none? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_profiler/client_settings.rb', line 60

def backtrace_none?
  @backtrace_level == BACKTRACE_NONE
end

#disable_profiling? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_profiler/client_settings.rb', line 48

def disable_profiling?
  @disable_profiling
end

#discard_cookie!(headers) ⇒ Object 



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# File 'lib/mini_profiler/client_settings.rb', line 40

def discard_cookie!(headers)
  Rack::Utils.delete_cookie_header!(headers, COOKIE_NAME, :path => '/')
end

#has_cookie? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_profiler/client_settings.rb', line 44

def has_cookie?
  !@cookie.nil?
end

#write!(headers) ⇒ Object 



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# File 'lib/mini_profiler/client_settings.rb', line 30

def write!(headers)
  if @orig_disable_profiling != @disable_profiling || @orig_backtrace_level != @backtrace_level || @cookie.nil?
    settings = {"p" =>  "t" }
    settings["dp"] = "t"              if @disable_profiling
    settings["bt"] = @backtrace_level if @backtrace_level
    settings_string = settings.map{|k,v| "#{k}=#{v}"}.join(",")
    Rack::Utils.set_cookie_header!(headers, COOKIE_NAME, :value => settings_string, :path => '/')
  end
end