Default to sync instrumentation.

1 files changed, 38 insertions, 0 deletions

diff --git a/railties/lib/rails/rack/logger.rb b/railties/lib/rails/rack/logger.rb
new file mode 100644
index 0000000000..91a613092f
--- /dev/null
+++ b/railties/lib/rails/rack/logger.rb
@@ -0,0 +1,38 @@
+require 'rails/subscriber'
+
+module Rails
+  module Rack
+    # Log the request started and flush all loggers after it.
+    class Logger < Rails::Subscriber
+      def initialize(app)
+        @app = app
+      end
+
+      def call(env)
+        @env = env
+        before_dispatch
+        result = @app.call(@env)
+        after_dispatch
+        result
+      end
+
+      protected
+
+        def request
+          @request ||= ActionDispatch::Request.new(@env) 
+        end
+
+        def before_dispatch
+          path = request.request_uri.inspect rescue "unknown"
+
+          info "\n\nStarted #{request.method.to_s.upcase} #{path} " <<
+                      "for #{request.remote_ip} at #{Time.now.to_s(:db)}"
+        end
+
+        def after_dispatch
+          Rails::Subscriber.flush_all!
+        end
+
+    end
+  end
+end