Contents

# frozen_string_literal: true

module DeepCover
  bootstrap

  # List of allocated trackers from a bucket.
  # Should be thought of as a simple array of integers with
  # a limited interface.
  class TrackerBucket
    class TrackerStorage
      extend Forwardable
      def_delegators :@array, :[], :size, :each, :map, :fetch

      attr_reader :bucket

      def initialize(bucket:, array:, index:)
        @bucket = bucket
        @array = array
        @index = index
        @allocated = 0
      end

      # Returns a range of tracker ids
      def allocate_trackers(nb_needed)
        prev = @allocated
        @allocated += nb_needed
        missing = @allocated - @array.size
        @array.concat(Array.new(missing, 0)) if missing > 0
        prev...@allocated
      end

      def setup_source
        "(#{bucket.setup_source})[#{@index}]||=Array.new(#{size},0)"
      end

      def tracker_source(tracker_id)
        "#{bucket.source}[#{@index}][#{tracker_id}]+=1"
      end

      def tracker_hits
        @array.dup.freeze
      end

      def tracker_hits=(new_hits)
        if new_hits.size != @array.size
          warn 'Replacing tracker hits with array of different size'
        end
        @array.replace(new_hits)
      end

      private

      def dump
        {bucket: @bucket, index: @index, size: @array.size}
      end

      def _dump(_level)
        Marshal.dump(dump)
      end

      class << self
        private def load(bucket:, index:, size:)
          storage = bucket.create_storage(index)
          storage.allocate_trackers(size - storage.size)
          storage
        end

        private def _load(data)
          load(Marshal.load(data)) # rubocop:disable Security/MarshalLoad
        end
      end
    end

    private_constant :TrackerStorage
  end
end

Version data entries

11 entries across 11 versions & 2 rubygems

Version	Path
deep-cover-core-0.6.4	lib/deep_cover/tracker_storage.rb
deep-cover-core-0.6.3	lib/deep_cover/tracker_storage.rb
deep-cover-core-0.6.3.pre	lib/deep_cover/tracker_storage.rb
deep-cover-0.6.2	lib/deep_cover/tracker_storage.rb
deep-cover-0.6.1	lib/deep_cover/tracker_storage.rb
deep-cover-0.6.0	lib/deep_cover/tracker_storage.rb
deep-cover-0.5.7	lib/deep_cover/tracker_storage.rb
deep-cover-0.5.6	lib/deep_cover/tracker_storage.rb
deep-cover-0.5.5	lib/deep_cover/tracker_storage.rb
deep-cover-0.5.4	lib/deep_cover/tracker_storage.rb
deep-cover-0.5.3	lib/deep_cover/tracker_storage.rb