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-rw-r--r--actioncable/lib/action_cable/server/configuration.rb64
1 files changed, 64 insertions, 0 deletions
diff --git a/actioncable/lib/action_cable/server/configuration.rb b/actioncable/lib/action_cable/server/configuration.rb
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+++ b/actioncable/lib/action_cable/server/configuration.rb
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+module ActionCable
+ module Server
+ # An instance of this configuration object is available via ActionCable.server.config, which allows you to tweak Action Cable configuration
+ # in a Rails config initializer.
+ class Configuration
+ attr_accessor :logger, :log_tags
+ attr_accessor :use_faye, :connection_class, :worker_pool_size
+ attr_accessor :disable_request_forgery_protection, :allowed_request_origins
+ attr_accessor :cable, :url, :mount_path
+
+ attr_accessor :channel_paths # :nodoc:
+
+ def initialize
+ @log_tags = []
+
+ @connection_class = ActionCable::Connection::Base
+ @worker_pool_size = 4
+
+ @disable_request_forgery_protection = false
+ 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
+
+ # Returns constant of subscription adapter specified in config/cable.yml.
+ # If the adapter cannot be found, this will default to the Redis adapter.
+ # Also makes sure proper dependencies are required.
+ def pubsub_adapter
+ adapter = (cable.fetch('adapter') { 'redis' })
+ path_to_adapter = "action_cable/subscription_adapter/#{adapter}"
+ begin
+ require path_to_adapter
+ rescue Gem::LoadError => e
+ raise Gem::LoadError, "Specified '#{adapter}' for Action Cable pubsub adapter, but the gem is not loaded. Add `gem '#{e.name}'` to your Gemfile (and ensure its version is at the minimum required by Action Cable)."
+ rescue LoadError => e
+ raise LoadError, "Could not load '#{path_to_adapter}'. Make sure that the adapter in config/cable.yml is valid. If you use an adapter other than 'postgresql' or 'redis' add the necessary adapter gem to the Gemfile.", e.backtrace
+ end
+
+ adapter = adapter.camelize
+ adapter = 'PostgreSQL' if adapter == 'Postgresql'
+ "ActionCable::SubscriptionAdapter::#{adapter}".constantize
+ end
+
+ def event_loop_class
+ if use_faye
+ ActionCable::Connection::FayeEventLoop
+ else
+ ActionCable::Connection::StreamEventLoop
+ end
+ end
+
+ def client_socket_class
+ if use_faye
+ ActionCable::Connection::FayeClientSocket
+ else
+ ActionCable::Connection::ClientSocket
+ end
+ end
+ end
+ end
+end