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Diffstat (limited to 'actioncable/lib/action_cable/engine.rb')
-rw-r--r-- | actioncable/lib/action_cable/engine.rb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/actioncable/lib/action_cable/engine.rb b/actioncable/lib/action_cable/engine.rb new file mode 100644 index 0000000000..8ce1b24962 --- /dev/null +++ b/actioncable/lib/action_cable/engine.rb @@ -0,0 +1,80 @@ +require "rails" +require "action_cable" +require "action_cable/helpers/action_cable_helper" +require "active_support/core_ext/hash/indifferent_access" + +module ActionCable + class Engine < Rails::Engine # :nodoc: + config.action_cable = ActiveSupport::OrderedOptions.new + config.action_cable.mount_path = ActionCable::INTERNAL[:default_mount_path] + + config.eager_load_namespaces << ActionCable + + initializer "action_cable.helpers" do + ActiveSupport.on_load(:action_view) do + include ActionCable::Helpers::ActionCableHelper + end + end + + initializer "action_cable.logger" do + ActiveSupport.on_load(:action_cable) { self.logger ||= ::Rails.logger } + end + + initializer "action_cable.set_configs" do |app| + options = app.config.action_cable + options.allowed_request_origins ||= "http://localhost:3000" if ::Rails.env.development? + + app.paths.add "config/cable", with: "config/cable.yml" + + ActiveSupport.on_load(:action_cable) do + if (config_path = Pathname.new(app.config.paths["config/cable"].first)).exist? + self.cable = Rails.application.config_for(config_path).with_indifferent_access + end + + if 'ApplicationCable::Connection'.safe_constantize + self.connection_class = ApplicationCable::Connection + end + + self.channel_paths = Rails.application.paths['app/channels'].existent + + options.each { |k,v| send("#{k}=", v) } + end + end + + initializer "action_cable.routes" do + config.after_initialize do |app| + config = app.config + unless config.action_cable.mount_path.nil? + app.routes.prepend do + mount ActionCable.server => config.action_cable.mount_path, internal: true + end + end + end + end + + initializer "action_cable.set_work_hooks" do |app| + ActiveSupport.on_load(:action_cable) do + ActionCable::Server::Worker.set_callback :work, :around, prepend: true do |_, inner| + app.executor.wrap do + # If we took a while to get the lock, we may have been halted + # in the meantime. As we haven't started doing any real work + # yet, we should pretend that we never made it off the queue. + unless stopping? + inner.call + end + end + end + + wrap = lambda do |_, inner| + app.executor.wrap(&inner) + end + ActionCable::Channel::Base.set_callback :subscribe, :around, prepend: true, &wrap + ActionCable::Channel::Base.set_callback :unsubscribe, :around, prepend: true, &wrap + + app.reloader.before_class_unload do + ActionCable.server.restart + end + end + end + end +end |