Module: SpeedLimiter

Defined in:
lib/speed_limiter.rb,
lib/speed_limiter/config.rb,
lib/speed_limiter/version.rb

Overview

Call speed limiter

Defined Under Namespace

Classes: Config

Constant Summary collapse

VERSION = 
"0.0.1"

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/speed_limiter.rb', line 10

def config
  @config ||= Config.new
end

.configure {|config| ... } ⇒ Object

Yields:



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# File 'lib/speed_limiter.rb', line 14

def configure
  yield(config)
end

.redis ⇒ Object 



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# File 'lib/speed_limiter.rb', line 18

def redis
  @redis ||= config.redis || Redis.new(url: config.redis_url)
end

.throttle(key, limit:, period:, &block) ⇒ Object 



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# File 'lib/speed_limiter.rb', line 22

def throttle(key, limit:, period:, &block)
  return block&.call if config.no_limit?

  key_name = "#{config.prefix}:#{key}"
  loop do
    count = increment(key_name, period)

    break(block&.call) if count <= limit

    wait_for_interval(key_name)
  end
end