\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n
<\/p>\n
Rails \u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u5f0f\u306e\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u306d\u3002<\/p>\n
Started GET \"\/articles\" for 192.168.0.4 at 2013-05-05 15:14:37 +0900\r\nProcessing by ArticlesController#index as HTML\r\n Article Load (0.3ms) SELECT \"articles\".* FROM \"articles\" ORDER BY id\r\n Rendered articles\/index.html.erb within layouts\/application (2.6ms)\r\nCompleted 200 OK in 9ms (Views: 7.9ms | ActiveRecord: 0.3ms)<\/pre>\n\u3053\u308c\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u60c5\u5831\u3082\u542b\u307e\u308c\u3066\u3044\u305f\u3089\u4fbf\u5229\u304b\u306a\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n
<\/p>\n
\u5177\u4f53\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b0\u30ed\u304c\u51fa\u529b\u3055\u308c\u308b\u60f3\u5b9a\u3067\u3059\u3002\uff08\u6a2a\u306b\u9577\u3044\u306e\u3067\u30b9\u30af\u30ed\u30fc\u30b9\u3057\u306a\u3044\u3068\u9055\u3044\u304c\u5206\u304b\u3089\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4e00\u884c\u76ee\u306e\u6700\u5f8c\u306b\u300cfrom \u301c\u301c\u301c\u300d\u304c\u5897\u3048\u3066\u3044\u307e\u3059\u3002\uff09<\/p>\n
Started GET \"\/articles\" for 192.168.0.4 at 2013-05-05 15:20:46 +0900 from Mozilla\/5.0 (X11; Ubuntu; Linux i686; rv:20.0) Gecko\/20100101 Firefox\/20.0\r\nProcessing by ArticlesController#index as HTML\r\n Article Load (0.6ms) SELECT \"articles\".* FROM \"articles\" ORDER BY id\r\n Rendered articles\/index.html.erb within layouts\/application (27.0ms)\r\nCompleted 200 OK in 90ms (Views: 69.9ms | ActiveRecord: 6.0ms)<\/pre>\n\u3053\u306e 1 \u884c\u76ee\u306f\u3001Rails::Rack::Logger#started_request_message(request) \u304c\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
<\/p>\n
\u30e2\u30f3\u30ad\u30fc\u30d1\u30c3\u30c1\u3067\u3002\u3002<\/h2>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4fee\u6b63\u3059\u308b\u30e2\u30f3\u30ad\u30fc\u30d1\u30c3\u30c1\u3092\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n
class Rails::Rack::Logger < ActiveSupport::LogSubscriber\r\n\r\n def started_request_message_with_client_info(request)\r\n client_info = \"#{request.user_agent}\"\r\n \"#{started_request_message_without_client_info(request)} from #{client_info}\"\r\n end \r\n alias_method_chain :started_request_message, :client_info\r\n\r\nend<\/pre>\n\u66f8\u3044\u3066\u304b\u3089\u6c17\u4ed8\u3044\u305f\u306e\u3067\u3059\u304c\u3001Ruby2.0 \u3067\u767b\u5834\u3057\u305f Module#prepend \u3092\u4f7f\u3063\u305f\u307b\u3046\u304c\u884c\u5100\u304c\u826f\u3044\u3067\u3059\u306d\u3002<\/p>\n
<\/p>\n
Module#prepend \u3092\u4f7f\u3046\u3002<\/h2>\n
Module#prepend \u3092\u4f7f\u3046\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
\uff08\u3054\u5b58\u77e5\u3067\u306f\u306a\u3044\u65b9\u306f\u3001\u300cRuby2.0\u306eModule#prepend\u306f\u5982\u4f55\u306b\u3057\u3066alias_method_chain\u3092\u64b2\u6ec5\u3059\u308b\u306e\u304b\uff01\uff1f<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n
class Rails::Rack::Logger < ActiveSupport::LogSubscriber\r\n\r\n\u00a0 prepend Module.new {\r\n\u00a0\u00a0\u00a0 def started_request_message(request)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 client_info = \"#{request.user_agent}\"\r\n\u00a0\u00a0\u00a0\u00a0\u00a0 \"#{super(request)} from #{client_info}\"\r\n\u00a0\u00a0\u00a0 end\r\n\u00a0 }\r\n\r\nend<\/pre>\n\u5148\u7a0b\u3088\u308a\u3082\u30b3\u30fc\u30c9\u304c\u3059\u3063\u304d\u308a\u3057\u307e\u3057\u305f\u306d\u3002<\/p>\n
\u9762\u5012\u3060\u3063\u305f\u306e\u3067\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u3066\u304b\u3089 prepend \u306b\u6e21\u3055\u305a\u306b\u3001\u305d\u306e\u5834\u3067 Module.new \u3057\u307e\u3057\u305f\u3002<\/p>\n
<\/p>\n
Module#prepend \u306e\u5f15\u6570\u306b Module.new \u3063\u3066\u3069\u3046\u3088\uff1f<\/h2>\n
Module#prepend \u3092\u4f7f\u3046\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u3001prepend \u306e\u5f15\u6570\u306b\u540d\u524d\u306e\u7121\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\uff08Module.new \u3067\u52d5\u7684\u306b\u751f\u6210\u3057\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\uff09\u3092\u6e21\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7d99\u627f\u95a2\u4fc2\u3092\u78ba\u8a8d\u3059\u308b\u3068\u300c#<Module:0x9940c24>\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u542b\u307e\u308c\u3066\u3057\u307e\u3044\u3001\u306a\u3093\u3068\u306a\u304f\u898b\u305f\u76ee\u304c\u3088\u308d\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
> Rails::Rack::Logger.ancestors\r\n => [#<Module:0x9940c24>, Rails::Rack::Logger, ActiveSupport::LogSubscriber, Object, PP::ObjectMixin, JSON::Ext::Generator::GeneratorMethods::Object, ActiveSupport::Dependencies::Loadable, Kernel, BasicObject]<\/pre>\n\u3053\u308c\u3063\u3066\u3069\u3046\u3088\uff1f\u3068\u3044\u3046\u8a71\u306a\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u601d\u308f\u308c\u307e\u3059\u304b\uff1f<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u540d\u524d\u306e\u3064\u3044\u305f\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u3066\u304b\u3089 prepend \u3059\u308c\u3070\u3001\u7d99\u627f\u95a2\u4fc2\u306e\u4e2d\u306b\u3082\u305d\u306e\u540d\u524d\u304c\u542b\u307e\u308c\u308b\u306e\u3067\u4f7f\u3046\u5074\u306b\u512a\u3057\u3044\u3067\u3059\u3002<\/p>\n
module StartRequestMessageWithClientInfo\r\n def started_request_message(request)\r\n client_info = \"#{request.user_agent}\"\r\n \"#{super(request)} from #{client_info}\"\r\n end\r\nend\r\n\r\nclass Rails::Rack::Logger < ActiveSupport::LogSubscriber\r\n prepend StartRequestMessageWithClientInfo\r\nend\r\n\r\n# Rails::Rack::Logger.ancestors\r\n# => [StartRequestMessageWithClientInfo, Rails::Rack::Logger, ...]<\/pre>\n\u304d\u3061\u3093\u3068\u3057\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308b\u5834\u5408\u306f\u3001\u591a\u5c11\u9762\u5012\u3067\u3082\u540d\u524d\u306e\u3042\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u305f\u4e0a\u3067 prepend \u3057\u305f\u65b9\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n
<\/p>\n
Rails \u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u5f0f\u306e\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u306d\u3002
\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[22,24],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2434"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=2434"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2434\/revisions"}],"predecessor-version":[{"id":17934,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2434\/revisions\/17934"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=2434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=2434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=2434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}