diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/notifications.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/middleware/notifications.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/notifications.rb b/actionpack/lib/action_dispatch/middleware/notifications.rb new file mode 100644 index 0000000000..01d2cbb435 --- /dev/null +++ b/actionpack/lib/action_dispatch/middleware/notifications.rb @@ -0,0 +1,24 @@ +module ActionDispatch + # Provide notifications in the middleware stack. Notice that for the before_dispatch + # and after_dispatch notifications, we just send the original env, so we don't pile + # up large env hashes in the queue. However, in exception cases, the whole env hash + # is actually useful, so we send it all. + class Notifications + def initialize(app) + @app = app + end + + def call(stack_env) + env = stack_env.dup + ActiveSupport::Notifications.instrument("action_dispatch.before_dispatch", :env => env) + + ActiveSupport::Notifications.instrument!("action_dispatch.after_dispatch", :env => env) do + @app.call(stack_env) + end + rescue Exception => exception + ActiveSupport::Notifications.instrument('action_dispatch.exception', + :env => stack_env, :exception => exception) + raise exception + end + end +end
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