class Leafy::Instrumented::BasicInstrumented

Constants

NAME_PREFIX

Public Class Methods

new( registry, name, meter_names_by_status_code = {} ) click to toggle source
# File leafy-rack/lib/leafy/instrumented/basic_instrumented.rb, line 7
def initialize( registry, name, meter_names_by_status_code = {} )
  @meters_by_status_code = java.util.concurrent.ConcurrentHashMap.new
  meter_names_by_status_code.each do |k,v|
    @meters_by_status_code[ k ] = registry.register_meter( "#{name}.#{v}" )
  end
  @other = registry.register_meter( "#{name}.#{NAME_PREFIX}.other" )
  @active = registry.register_counter( "#{name}.active_requests" )
  @timer = registry.register_timer( "#{name}.requests" )
end

Public Instance Methods

call( &block ) click to toggle source
# File leafy-rack/lib/leafy/instrumented/basic_instrumented.rb, line 17
def call( &block )
  raise "block needed" unless block_given?
  @active.inc

  @timer.time do

    result = block.call
    mark_meter_for_status_code result[0]
    result

  end
ensure
  @active.dec
end
mark_meter_for_status_code( status ) click to toggle source
# File leafy-rack/lib/leafy/instrumented/basic_instrumented.rb, line 32
def mark_meter_for_status_code( status )
  metric = @meters_by_status_code[ status ] || @other
  metric.mark
end