module ActionCable module Server class Configuration attr_accessor :logger, :log_tags attr_accessor :connection_class, :worker_pool_size attr_accessor :redis_path, :channels_path def initialize @logger = Rails.logger @log_tags = [] @connection_class = ApplicationCable::Connection @worker_pool_size = 100 @redis_path = Rails.root.join('config/redis/cable.yml') @channels_path = Rails.root.join('app/channels') end def channel_paths @channels ||= Dir["#{channels_path}/**/*_channel.rb"] end def channel_class_names @channel_class_names ||= channel_paths.collect do |channel_path| Pathname.new(channel_path).basename.to_s.split('.').first.camelize end end def redis @redis ||= config_for(redis_path).with_indifferent_access end private # FIXME: Extract this from Rails::Application in a way it can be used here. def config_for(path) if path.exist? require "yaml" require "erb" (YAML.load(ERB.new(path.read).result) || {})[Rails.env] || {} else raise "Could not load configuration. No such file - #{path}" end rescue Psych::SyntaxError => e raise "YAML syntax error occurred while parsing #{path}. " \ "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \ "Error: #{e.message}" end end end end