lib/sidekiq/throttled/strategy/concurrency.rb in sidekiq-throttled-0.7.0 vs lib/sidekiq/throttled/strategy/concurrency.rb in sidekiq-throttled-0.7.1

- old
+ new

@@ -1,21 +1,26 @@ # frozen_string_literal: true -# internal + +require "sidekiq/throttled/strategy/base" require "sidekiq/throttled/strategy/script" module Sidekiq module Throttled class Strategy # Concurrency throttling strategy class Concurrency + include Base + # LUA script used to limit fetch concurrency. # Logic behind the scene can be described in following pseudo code: # - # return 1 if @limit <= LLEN(@key) - # - # PUSH(@key, @jid) - # return 0 + # if @limit <= LLEN(@key) + # return 1 + # else + # PUSH(@key, @jid) + # return 0 + # end SCRIPT = Script.read "#{__dir__}/concurrency.lua" private_constant :SCRIPT # @param [#to_s] strategy_key # @param [#to_i, #call] limit Amount of allowed concurrent jobs @@ -27,24 +32,23 @@ @limit = limit @ttl = ttl.to_i @key_suffix = key_suffix end - # @return [Integer] Amount of allowed concurrent job processors - def limit(job_args = nil) - return @limit.to_i unless @limit.respond_to? :call - @limit.call(*job_args).to_i - end - # @return [Boolean] Whenever strategy has dynamic config def dynamic? @key_suffix || @limit.respond_to?(:call) end # @return [Boolean] whenever job is throttled or not def throttled?(jid, *job_args) - 1 == SCRIPT.eval([key(job_args)], [jid.to_s, limit(job_args), @ttl]) + return false unless (job_limit = limit(job_args)) + + keys = [key(job_args)] + args = [jid.to_s, job_limit, @ttl] + + 1 == SCRIPT.eval(keys, args) end # @return [Integer] Current count of jobs def count(*job_args) Sidekiq.redis { |conn| conn.scard(key(job_args)) }.to_i @@ -58,17 +62,9 @@ # Remove jid from the pool of jobs in progress # @return [void] def finalize!(jid, *job_args) Sidekiq.redis { |conn| conn.srem(key(job_args), jid.to_s) } - end - - private - - def key(job_args) - key = @base_key.dup - key << ":#{@key_suffix.call(*job_args)}" if @key_suffix - key end end end end end