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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
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