class Sinatra::TemplateMetrics

Public Class Methods

add_tracer(method) click to toggle source
# File lib/sinatra/template_metrics.rb, line 16
def self.add_tracer(method)
  klass = ::Sinatra::Templates
  unless klass.method_defined?("#{method}_without_metrics")
    klass.__send__(:alias_method, "#{method}_without_metrics", method)
    klass.__send__(:define_method, "#{method}_with_metrics") do |template, options = {}, locals = {}, &block|
    ::Sinatra::TemplateMetrics.measure_time(template, options[:layout]) do
      send("#{method}_without_metrics", template, options, locals, &block)
    end
    end
    klass.__send__(:alias_method, method, "#{method}_with_metrics")
  end
end
logger() click to toggle source
# File lib/sinatra/template_metrics.rb, line 10
def self.logger
  @logger ||= Logger.new(STDOUT).tap {|log|
    log.formatter = ::Sinatra::Metrics::LtsvFormatter.new
  }
end
logger=(logger) click to toggle source
# File lib/sinatra/template_metrics.rb, line 6
def self.logger=(logger)
  @logger = logger
end
measure_time(template, layout) { || ... } click to toggle source
# File lib/sinatra/template_metrics.rb, line 29
def self.measure_time(template, layout, &block)
  start = Time.now
  ret = yield
  elapsed = Time.now - start
  logger = Sinatra::TemplateMetrics.logger
  logger.info({ template: template, layout: layout, elapsed: elapsed.to_f })
  ret
end