diff options
Diffstat (limited to 'railties/lib')
| -rw-r--r-- | railties/lib/rails/application.rb | 6 | ||||
| -rw-r--r-- | railties/lib/rails/application/default_middleware_stack.rb | 22 | ||||
| -rw-r--r-- | railties/lib/rails/application/finisher.rb | 73 | ||||
| -rw-r--r-- | railties/lib/rails/console/app.rb | 3 | ||||
| -rw-r--r-- | railties/lib/rails/generators/rails/app/templates/config.ru (renamed from railties/lib/rails/generators/rails/app/templates/config.ru.tt) | 6 |
5 files changed, 69 insertions, 41 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb index bff33ff42e..d05d610ee1 100644 --- a/railties/lib/rails/application.rb +++ b/railties/lib/rails/application.rb @@ -113,7 +113,7 @@ module Rails attr_accessor :assets, :sandbox alias_method :sandbox?, :sandbox - attr_reader :reloaders + attr_reader :reloaders, :reloader, :executor delegate :default_url_options, :default_url_options=, to: :routes @@ -131,6 +131,10 @@ module Rails @message_verifiers = {} @ran_load_hooks = false + @executor = Class.new(ActiveSupport::Executor) + @reloader = Class.new(ActiveSupport::Reloader) + @reloader.executor = @executor + # are these actually used? @initial_variable_values = initial_variable_values @block = block diff --git a/railties/lib/rails/application/default_middleware_stack.rb b/railties/lib/rails/application/default_middleware_stack.rb index 4f1cc0703d..381e548730 100644 --- a/railties/lib/rails/application/default_middleware_stack.rb +++ b/railties/lib/rails/application/default_middleware_stack.rb @@ -34,22 +34,10 @@ module Rails # handling: presumably their code is not threadsafe middleware.use ::Rack::Lock - - elsif config.allow_concurrency == :unsafe - # Do nothing, even if we know this is dangerous. This is the - # historical behaviour for true. - - else - # Default concurrency setting: enabled, but safe - - unless config.cache_classes && config.eager_load - # Without cache_classes + eager_load, the load interlock - # is required for proper operation - - middleware.use ::ActionDispatch::LoadInterlock - end end + middleware.use ::ActionDispatch::Executor, app.executor + middleware.use ::Rack::Runtime middleware.use ::Rack::MethodOverride unless config.api_only middleware.use ::ActionDispatch::RequestId @@ -61,7 +49,7 @@ module Rails middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies unless config.cache_classes - middleware.use ::ActionDispatch::Reloader, lambda { reload_dependencies? } + middleware.use ::ActionDispatch::Reloader, app.reloader end middleware.use ::ActionDispatch::Callbacks @@ -83,10 +71,6 @@ module Rails private - def reload_dependencies? - config.reload_classes_only_on_change != true || app.reloaders.map(&:updated?).any? - end - def load_rack_cache rack_cache = config.action_dispatch.rack_cache return unless rack_cache diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb index 64ec539564..34f2265108 100644 --- a/railties/lib/rails/application/finisher.rb +++ b/railties/lib/rails/application/finisher.rb @@ -38,16 +38,16 @@ module Rails app.routes.define_mounted_helper(:main_app) end - initializer :add_to_prepare_blocks do + initializer :add_to_prepare_blocks do |app| config.to_prepare_blocks.each do |block| - ActionDispatch::Reloader.to_prepare(&block) + app.reloader.to_prepare(&block) end end # This needs to happen before eager load so it happens # in exactly the same point regardless of config.cache_classes - initializer :run_prepare_callbacks do - ActionDispatch::Reloader.prepare! + initializer :run_prepare_callbacks do |app| + app.reloader.prepare! end initializer :eager_load! do @@ -62,13 +62,47 @@ module Rails ActiveSupport.run_load_hooks(:after_initialize, self) end + initializer :configure_executor_for_concurrency do |app| + if config.allow_concurrency == false + # User has explicitly opted out of concurrent request + # handling: presumably their code is not threadsafe + + mutex = Mutex.new + app.executor.to_run(prepend: true) do + mutex.lock + end + app.executor.to_complete(:after) do + mutex.unlock + end + + elsif config.allow_concurrency == :unsafe + # Do nothing, even if we know this is dangerous. This is the + # historical behaviour for true. + + else + # Default concurrency setting: enabled, but safe + + unless config.cache_classes && config.eager_load + # Without cache_classes + eager_load, the load interlock + # is required for proper operation + + app.executor.to_run(prepend: true) do + ActiveSupport::Dependencies.interlock.start_running + end + app.executor.to_complete(:after) do + ActiveSupport::Dependencies.interlock.done_running + end + end + end + end + # Set routes reload after the finisher hook to ensure routes added in # the hook are taken into account. - initializer :set_routes_reloader_hook do + initializer :set_routes_reloader_hook do |app| reloader = routes_reloader reloader.execute_if_updated self.reloaders << reloader - ActionDispatch::Reloader.to_prepare do + app.reloader.to_run do # We configure #execute rather than #execute_if_updated because if # autoloaded constants are cleared we need to reload routes also in # case any was used there, as in @@ -78,18 +112,27 @@ module Rails # This means routes are also reloaded if i18n is updated, which # might not be necessary, but in order to be more precise we need # some sort of reloaders dependency support, to be added. + require_unload_lock! reloader.execute end end # Set clearing dependencies after the finisher hook to ensure paths # added in the hook are taken into account. - initializer :set_clear_dependencies_hook, group: :all do + initializer :set_clear_dependencies_hook, group: :all do |app| callback = lambda do - ActiveSupport::Dependencies.interlock.unloading do - ActiveSupport::DescendantsTracker.clear - ActiveSupport::Dependencies.clear + ActiveSupport::DescendantsTracker.clear + ActiveSupport::Dependencies.clear + end + + if config.cache_classes + app.reloader.check = lambda { false } + elsif config.reload_classes_only_on_change + app.reloader.check = lambda do + app.reloaders.map(&:updated?).any? end + else + app.reloader.check = lambda { true } end if config.reload_classes_only_on_change @@ -99,15 +142,19 @@ module Rails # Prepend this callback to have autoloaded constants cleared before # any other possible reloading, in case they need to autoload fresh # constants. - ActionDispatch::Reloader.to_prepare(prepend: true) do + app.reloader.to_run(prepend: true) do # In addition to changes detected by the file watcher, if routes # or i18n have been updated we also need to clear constants, # that's why we run #execute rather than #execute_if_updated, this # callback has to clear autoloaded constants after any update. - reloader.execute + class_unload! do + reloader.execute + end end else - ActionDispatch::Reloader.to_cleanup(&callback) + app.reloader.to_complete do + class_unload!(&callback) + end end end diff --git a/railties/lib/rails/console/app.rb b/railties/lib/rails/console/app.rb index ac5836a588..9ad77e0a80 100644 --- a/railties/lib/rails/console/app.rb +++ b/railties/lib/rails/console/app.rb @@ -29,8 +29,7 @@ module Rails # reloads the environment def reload!(print=true) puts "Reloading..." if print - ActionDispatch::Reloader.cleanup! - ActionDispatch::Reloader.prepare! + Rails.application.reloader.reload! true end end diff --git a/railties/lib/rails/generators/rails/app/templates/config.ru.tt b/railties/lib/rails/generators/rails/app/templates/config.ru index 343c0833d7..bd83b25412 100644 --- a/railties/lib/rails/generators/rails/app/templates/config.ru.tt +++ b/railties/lib/rails/generators/rails/app/templates/config.ru @@ -1,10 +1,4 @@ # This file is used by Rack-based servers to start the application. require ::File.expand_path('../config/environment', __FILE__) -<%- unless options[:skip_action_cable] -%> - -# Action Cable requires that all classes are loaded in advance -Rails.application.eager_load! -<%- end -%> - run Rails.application |