77 lines
2.6 KiB
Ruby
77 lines
2.6 KiB
Ruby
require "rails"
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require "action_cable"
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require "action_cable/helpers/action_cable_helper"
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require "active_support/core_ext/hash/indifferent_access"
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module ActionCable
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class Engine < Rails::Engine # :nodoc:
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config.action_cable = ActiveSupport::OrderedOptions.new
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config.action_cable.mount_path = ActionCable::INTERNAL[:default_mount_path]
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config.eager_load_namespaces << ActionCable
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initializer "action_cable.helpers" do
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ActiveSupport.on_load(:action_view) do
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include ActionCable::Helpers::ActionCableHelper
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end
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end
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initializer "action_cable.logger" do
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ActiveSupport.on_load(:action_cable) { self.logger ||= ::Rails.logger }
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end
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initializer "action_cable.set_configs" do |app|
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options = app.config.action_cable
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options.allowed_request_origins ||= /https?:\/\/localhost:\d+/ if ::Rails.env.development?
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app.paths.add "config/cable", with: "config/cable.yml"
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ActiveSupport.on_load(:action_cable) do
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if (config_path = Pathname.new(app.config.paths["config/cable"].first)).exist?
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self.cable = Rails.application.config_for(config_path).with_indifferent_access
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end
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previous_connection_class = connection_class
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self.connection_class = -> { "ApplicationCable::Connection".safe_constantize || previous_connection_class.call }
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options.each { |k, v| send("#{k}=", v) }
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end
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end
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initializer "action_cable.routes" do
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config.after_initialize do |app|
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config = app.config
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unless config.action_cable.mount_path.nil?
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app.routes.prepend do
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mount ActionCable.server => config.action_cable.mount_path, internal: true
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end
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end
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end
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end
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initializer "action_cable.set_work_hooks" do |app|
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ActiveSupport.on_load(:action_cable) do
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ActionCable::Server::Worker.set_callback :work, :around, prepend: true do |_, inner|
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app.executor.wrap do
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# If we took a while to get the lock, we may have been halted
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# in the meantime. As we haven't started doing any real work
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# yet, we should pretend that we never made it off the queue.
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unless stopping?
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inner.call
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end
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end
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end
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wrap = lambda do |_, inner|
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app.executor.wrap(&inner)
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end
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ActionCable::Channel::Base.set_callback :subscribe, :around, prepend: true, &wrap
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ActionCable::Channel::Base.set_callback :unsubscribe, :around, prepend: true, &wrap
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app.reloader.before_class_unload do
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ActionCable.server.restart
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end
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end
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end
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end
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end
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