アクション別アクセスカウンタ(Redis版)

app.rb.diff

diff --git a/qualifier/webapp/ruby/app.rb b/qualifier/webapp/ruby/app.rb
index 4d64f98..0a45adf 100644
--- a/qualifier/webapp/ruby/app.rb
+++ b/qualifier/webapp/ruby/app.rb
@@ -8,6 +8,7 @@ require 'erubis'
 require 'tempfile'
 require 'redcarpet'
 require 'rack/perftools_profiler'
+require 'redis'
 
 
 class Isucon3App < Sinatra::Base
@@ -81,12 +82,46 @@ class Isucon3App < Sinatra::Base
     def mem
       @@mem ||= Dalli::Client.new("localhost:11212")
     end
+
+    def redis
+      @@redis ||= Redis.new
+    end
   end
 
   post '/init' do
     mem.set("public_count", 20540, nil, raw: true)
   end
 
+  before do
+    @start = Time.now.to_f
+  end
+
+  after do
+    @stop = Time.now.to_f
+    redis.pipelined do |r|
+      r.hincrby "action_count", self.env['sinatra.route'], 1
+      r.hincrby "action_response", self.env['sinatra.route'], ((@stop - @start) * 1000).round # msec
+    end
+  end
+
+  get '/profile' do
+    response = ""
+    redis.hkeys("action_count").each do |key|
+      next if %r|/count$|.match(key)
+      count = redis.hget("action_count", key).to_i
+      sum_of_response = redis.hget("action_response", key).to_f / 1000
+      response += "%24s:%6d * %0.3f ms => %8.3f ms\n" % [key, count, sum_of_response / count, sum_of_response ]
+    end
+    response
+  end
+
+  delete '/profile' do
+    redis.hkeys("action_count").each do |key|
+      redis.del "action_count", key
+      redis.del "action_response", key
+    end
+  end
+
   get '/' do
     mysql = connection
     user  = get_user

curl http://localhost/profile でアクセス回数、平均レスポンス時間、合計レスポンス時間を表示

      GET /memo/:memo_id:   302 * 0.010 ms =>    3.005 ms
                   GET /:   176 * 0.026 ms =>    4.546 ms

curl -X DELETE http://localhost/profile でリセット