lib/gruf/timer.rb
# frozen_string_literal: true
# Copyright (c) 2017-present, BigCommerce Pty. Ltd. All rights reserved
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
module Gruf
##
# Times a given block and returns the result and the elapsed time as a Float
#
# result = Timer.time { do_my_thing }
#
class Timer
##
# Represents a timer result that contains both the elapsed time and the result of the block
#
# result = Timer.time { do_my_thing }
# result.time # => 1.10123
# result.result # => 'my_thing_is_done'
#
# @property [Object] result The result of the block that was called
# @property [Float] time The time, in ms, of the block execution
#
class Result
# @!attribute [r] result
# @return [mixed]
attr_reader :result
# @!attribute [r] time
# @return [Float]
attr_reader :time
##
# Initialize the result object
#
# @param [Object] result The result of the block that was called
# @param [Float] time The time, in ms, of the block execution
#
def initialize(result, time)
@result = result
@time = time.to_f
end
##
# Was this result a successful result?
#
# @return [Boolean] Whether or not this result was a success
#
def success?
!result.is_a?(GRPC::BadStatus) && !result.is_a?(StandardError) && !result.is_a?(GRPC::Core::CallError)
end
end
##
# Times a given block by recording start and end times
#
# result = Timer.time { do_my_thing }
#
# @return [Timer::Result] Returns the timed result of the block
#
def self.time
start_time = Time.now
begin
result = yield
rescue GRPC::BadStatus, StandardError, GRPC::Core::CallError => e
result = e
end
end_time = Time.now
elapsed = (end_time - start_time) * 1000.0
Result.new(result, elapsed)
end
end
end