<\/div>\n

Merhaba,<\/p>\n

Bu i\u00e7eri\u011fimizde .NET 6’da ki WebApplication<\/em> nesnesinin arkas\u0131ndaki koda bakacak, middleware ve endpointlerin nas\u0131l yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131na odaklan\u0131yor olaca\u011f\u0131z.<\/p>\n

\u00d6nceki .NET 6 – WebApplicationBuilder\u2019\u0131 \u0130nceleyelim<\/a> ba\u015fl\u0131kl\u0131 makalede a\u00e7\u0131kland\u0131\u011f\u0131 gibi uygulama yap\u0131land\u0131rmas\u0131n\u0131n yap\u0131ld\u0131\u011f\u0131 yer \u00e7o\u011funlukla WebApplicationBuilder<\/em>‘d\u0131r.<\/p>\n

WebApplication<\/em> ise \u00fc\u00e7 ayr\u0131 i\u015flev i\u00e7in operasyonel sorumluluk \u00fcstlenmektedir;
\n $\".NET$ <\/a><\/p>\n

\n
IApplicationBuilder<\/em> aray\u00fcz\u00fcn\u00fc uygulad\u0131\u011f\u0131 i\u00e7in middleware pipeline’\u0131 burada \u015fekillendirilip, yap\u0131land\u0131r\u0131lmaktad\u0131r. Yani middleware \u015femas\u0131 bu nesne \u00fczerinden \u00e7\u0131kar\u0131lmakta ve tetiklenme s\u0131ralamas\u0131 bu nesne \u00fczerinden ayarlanmaktad\u0131r.<\/li>\n
IEndpointRouteBuilder<\/em> aray\u00fcz\u00fcn\u00fc uygulad\u0131\u011f\u0131 i\u00e7in MapGet<\/code>, MapRazorPages<\/code> vs. gibi metotlar arac\u0131l\u0131\u011f\u0131yla endpointler yap\u0131land\u0131r\u0131lmaktad\u0131r.\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\n\r\napp.MapGet("\/", () => "Hello World!");\r\n\r\napp.Run();\r\n\r\n<\/pre>\n<\/li>\nIHost<\/em> aray\u00fcz\u00fcn\u00fc uygulad\u0131\u011f\u0131ndan dolay\u0131 Run<\/code> metodu e\u015fli\u011finde uygulama ba\u015flat\u0131lmaktad\u0131r.<\/li>\n<\/ol>\n<\/a>WebApplicationBuilder<\/em> nesnesinin Build<\/code> metodu tetiklendi\u011finde bir generic host instance’\u0131 olu\u015fturulur ve bu WebApplication<\/em> t\u00fcr\u00fcnde geri d\u00f6nd\u00fcr\u00fcl\u00fcr.<\/p>\n WebApplication Nesnesi Ba\u015flatma ve Middleware Pipeline’\u0131 Olu\u015fturma<\/h5>\nWeb uygulamas\u0131n\u0131 ba\u015flatman\u0131n standart yolu WebApplication<\/em> nesnesi \u00fczerinden Run()<\/code> ya da RunAsync()<\/code> metotlar\u0131ndan birini \u00e7a\u011f\u0131rmakt\u0131r. Bu metotlar nihai olarak IHost.StartAsync<\/code> metodunu tetikler ve b\u00f6ylece a\u015fa\u011f\u0131daki g\u00f6rseldeki karma\u015f\u0131k metot etkile\u015fimlerinin ba\u015flamas\u0131na vesile olurlar. \n<\/a> \nYukar\u0131daki \u015femada g\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere Host’un aya\u011fa kald\u0131r\u0131lmas\u0131 s\u0131ras\u0131n\u0131n bir par\u00e7as\u0131 olarak IHostedService<\/em> \u00e7al\u0131\u015ft\u0131r\u0131lmaktad\u0131r. Bu middleware’in olu\u015fturuldu\u011fu ve Kestrel sunucusunun dinlenmeye ba\u015fland\u0131\u011f\u0131 zamand\u0131r.<\/p>\n Ayn\u0131 \u015fekilde g\u00f6rseldeki GenericWebHostService<\/em> ise middleware pipeline’\u0131n\u0131n olu\u015fturuldu\u011fu ve uygulaman\u0131n \u00e7al\u0131\u015ft\u0131r\u0131lmak i\u00e7in Kestrel’e g\u00f6nderildi\u011fi yerdir.<\/p>\n Bu s\u00fcre\u00e7 a\u00e7\u0131s\u0131ndan, WebApplication<\/em>‘\u0131 generic host ile kar\u015f\u0131la\u015ft\u0131r\u0131rsak e\u011fer herhangi bir fark bulunmamaktad\u0131r.<\/p>\n WebApplication Middleware Pipeline<\/h5>\nWebApplication<\/em> generic host’a k\u0131yasla \u00e7e\u015fitli middleware’ler bar\u0131nd\u0131rmaktad\u0131r. WebApplicationBuilder<\/em> ise varsay\u0131lan olarak Kestrel sunucusunu yap\u0131land\u0131r\u0131r, HostFiltering Middleware<\/em>‘ini ekler ve IIS entegrasyonunu etkinle\u015ftirir. Bunlara ek olarak WebApplicationBuilder<\/em> nesnesi ekstradan middleware yap\u0131lanmas\u0131n\u0131 kurar.<\/p>\n \u015eimdi bir Asp.NET Core uygulamas\u0131nda middleware yap\u0131lanmas\u0131n\u0131n nas\u0131l kuruldu\u011funu ad\u0131m ad\u0131m inceleyerek devam edelim.<\/p>\n\nEmpty(Bo\u015f) Pipeline<\/strong> \n\u00d6ncelikle uygulamaya herhangi bir middleware veya endpoint eklemeksizin incelemede bulunarak ba\u015flayal\u0131m.<\/p>\nA\u015fa\u011f\u0131daki kod blo\u011funu incelerseniz e\u011fer;<\/p>\n\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\napp.Run();\r\n<\/pre>\n<\/div>\nBu kod, kurulumun en temelidir ve a\u015fa\u011f\u0131daki middleware pipeline’\u0131 ile i\u015flemektedir.<\/p>\n\nHostFilteringMiddleware<\/li>\n DeveloperExceptionPageMiddleware<\/li>\nWebApplication<\/em> nesnesinin ApplicationBuilder<\/em> property’sinden olu\u015fturulmu\u015f bir middleware<\/li>\n<\/ul>\n<\/a>Yukar\u0131daki middleware pipeline’\u0131n\u0131 yandaki gibi \u015femala\u015ft\u0131rabiliriz. Burada DeveloperExceptionPageMiddleware<\/em>‘inin art\u0131k development ortam\u0131nda otomatik olarak eklendi\u011fine dikkatinizi \u00e7ekerim.<\/p>\n A\u00e7\u0131k\u00e7as\u0131 varsay\u0131lan middleware’e sahip bir uygulama pek kullan\u0131lmamaktad\u0131r. Haliyle temeli bu \u015fekilde att\u0131ktan sonra biraz middleware ekleyerek g\u00f6zlemlerimize devam edelim.\n<\/li>\n Ekstra Middleware’e Sahip Uygulama<\/strong> \n\u015eimdi a\u015fa\u011f\u0131daki gibi varsay\u0131lan yap\u0131n\u0131n \u00fczerine birka\u00e7 middleware ekleyerek g\u00f6zlemlemede bulunal\u0131m.<\/p>\n\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\napp.UseHttpsRedirection();\r\napp.UseStaticFiles();\r\napp.Run();\r\n<\/pre>\n<\/div>\nYukar\u0131daki \u00e7al\u0131\u015fmada default olan \u00fc\u00e7 middleware’in \u00fczerine ‘UseHttpsRedirection’ ve ‘UseStaticFiles’ middleware’leri eklenmi\u015ftir. Haliyle son durum a\u015fa\u011f\u0131daki gibidir;<\/p>\n\nHostFilteringMiddleware<\/li>\n DeveloperExceptionPageMiddleware<\/li>\nA\u015fa\u011f\u0131dakileri i\u00e7eren WebApplication<\/em> nesnesi;\n\nHttpsRedirectionMiddleware<\/li>\nStaticFilesMiddleware<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/a>\n<\/li>\n Endpoint Tan\u0131mlama<\/strong>\n\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\napp.UseHttpsRedirection();\r\napp.UseStaticFiles();\r\napp.MapGet("\/", () => "Laylaylom galiba sana g\u00f6re sevmeler...");\r\napp.Run();\r\n<\/pre>\n<\/div>\nYukar\u0131daki gibi MapGet<\/code> metodu ile eklenen endpoint’ler, WebApplication<\/em> nesnesinin endpoint datasources koleksiyonuna eklenmektedirler. \n<\/a>Ve nihai olarak EndpointMiddleware<\/em>‘i eklenerek middleware pipeline aya\u011fa kald\u0131r\u0131lmaktad\u0131r.<\/p>\n \nHostFilteringMiddleware<\/li>\n DeveloperExceptionPageMiddleware<\/li>\nA\u015fa\u011f\u0131dakileri i\u00e7eren WebApplication<\/em> nesnesi;\n\nHttpsRedirectionMiddleware<\/li>\n StaticFilesMiddleware<\/li>\n<\/ul>\nEndpointMiddleware<\/li>\n<\/li>\n<\/ul>\n<\/a>\n<\/li>\n UseRouting Middleware<\/strong> \nBurada UseRouting<\/code>(RoutingMiddleware)<\/em> middleware’ini incelememizin sebebi, baz\u0131 middleware’lerin UseRouting<\/em>‘den \u00f6nce \u00e7a\u011fr\u0131lmas\u0131 gerekti\u011fidir. Haliyle RoutingMiddleware’inden \u00f6nce \u00e7a\u011fr\u0131lmas\u0131 gereken bir middleware varsa ne yap\u0131lmas\u0131 gerekmektedir?<\/em><\/strong> gelin inceleyelim…<\/p>\nBunun i\u00e7in yap\u0131lmas\u0131 gereken tek \u015fey UseRouting<\/code> middleware’inin a\u00e7\u0131k\u00e7a \u00e7a\u011fr\u0131l\u0131p, devreye sokulmas\u0131d\u0131r.<\/p>\n\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\napp.UseHttpsRedirection();\r\napp.UseStaticFiles();\r\napp.UseRouting();\r\napp.MapGet("\/", () => "Laylaylom galiba sana g\u00f6re sevmeler...");\r\napp.Run();\r\n<\/pre>\n<\/div>\nB\u00f6ylece ilgili middleware’ler a\u015fa\u011f\u0131daki gibi \u015fekillenecektir.<\/p>\n\nHostFilteringMiddleware<\/li>\n DeveloperExceptionPageMiddleware<\/li>\nA\u015fa\u011f\u0131dakileri i\u00e7eren WebApplication<\/em> nesnesi;\n\nHttpsRedirectionMiddleware<\/li>\n StaticFilesMiddleware<\/li>\n RoutingMiddleware<\/li>\n<\/ul>\nEndpointMiddleware<\/li>\n<\/li>\n<\/ul>\n<\/a> \nUseRouting<\/code> middleware’i yaz\u0131ld\u0131\u011f\u0131nda ana\/main middleware pipeline’\u0131 ile WebApplication<\/em> nesnesinin ApplicationBuilder<\/em> pipeline’\u0131 aras\u0131nda genel d\u00fczenin korunmas\u0131 i\u00e7in WebApplicationBuilder<\/em> bir i\u015flevsellik g\u00f6stermektedir. Bu i\u015flevsellik, genel d\u00fczeni korumak \u00fczere generic host’a d\u00f6nmek gerekti\u011finde ortaya \u00e7\u0131kacakt\u0131r.\n<\/li>\n UseEndpoint Pipeline<\/strong> \nEndpointMiddleware<\/em>, MapGet<\/code> vs. gibi metotlar e\u015fli\u011finde ya da WebApplicationBuilder<\/em> nesnesi ile otomatik ekleniyor olasa da UseEndpoints<\/code> metodu e\u015fli\u011finde de manuel bir \u015fekilde \u00e7a\u011fr\u0131larak, eklenebilmektedir.<\/p>\n\n\r\nvar builder = WebApplication.CreateBuilder(args);\r\nvar app = builder.Build();\r\napp.UseHttpsRedirection();\r\napp.UseStaticFiles();\r\napp.UseRouting();\r\napp.MapGet("\/", () => "Laylaylom galiba sana g\u00f6re sevmeler...");\r\napp.UseEndpoints(endpoint => endpoint.MapGet("\/x", () => "doldur be meyhaneci bo\u015f kalmas\u0131n kadehim"));\r\napp.Run();\r\n<\/pre>\n<\/div>\nHaliyle yukar\u0131daki in\u015fa ile a\u015fa\u011f\u0131daki middleware yap\u0131lanmas\u0131 elde edilecektir.<\/p>\n\nHostFilteringMiddleware<\/li>\n DeveloperExceptionPageMiddleware<\/li>\nA\u015fa\u011f\u0131dakileri i\u00e7eren WebApplication<\/em> nesnesi;\n\nHttpsRedirectionMiddleware<\/li>\n StaticFilesMiddleware<\/li>\n RoutingMiddleware<\/li>\n EndpointMiddleware<\/li>\n<\/ul>\nEndpointMiddleware<\/li>\n<\/li>\n<\/ul>\n<\/a>Yukar\u0131daki davran\u0131\u015f ile endpoint’leri do\u011frudan hem WebApplication<\/em>‘da hem de EndpointMiddleware<\/em>‘in \u00e7a\u011fr\u0131s\u0131nda kaydetmi\u015f oluyoruz.<\/p>\n Burada dikkat edilmesi gereken \u00f6nemli bir nokta vard\u0131r, o da; UseEndpoints<\/code> middleware’i manuel kullan\u0131l\u0131yorsa kesinlikle UseRouting<\/code> middleware’i de manuel \u00e7a\u011fr\u0131lmal\u0131d\u0131r. Aksi taktirde hata al\u0131nacakt\u0131r.<\/span><\/em><\/p><\/blockquote>\n<\/li>\n<\/ul>\n Nihai olarak; \nWebApplication<\/em> nesnesi \u00fczerinden yap\u0131lan \u00e7al\u0131\u015fmalarda middleware pipeline’\u0131n\u0131n nas\u0131l ve ne \u015fekilde olu\u015fturuldu\u011funu g\u00f6rm\u00fc\u015f ve incelemi\u015f olduk. B\u00f6ylece art\u0131k .NET 6 ile geli\u015ftirilen web uygulamalar\u0131nda, konfig\u00fcrasyon yap\u0131lanmas\u0131nda neyin ne oldu\u011funa ve ne \u015fekilde davran\u0131\u015f sergiledi\u011fine tam olarak vak\u0131f bir \u015fekilde geli\u015ftirmeler yapabilir ve nimetlerinden daha bilin\u00e7li faydalanabiliriz.<\/p>\n \u0130lgilenenlerin faydalanmas\u0131 dile\u011fiyle… \nSonraki yaz\u0131lar\u0131mda g\u00f6r\u00fc\u015fmek \u00fczere… \n\u0130yi \u00e7al\u0131\u015fmalar…<\/p>\n","protected":false},"excerpt":{"rendered":" Merhaba, Bu i\u00e7eri\u011fimizde .NET 6’da ki WebApplication nesnesinin arkas\u0131ndaki koda bakacak, middleware ve endpointlerin nas\u0131l yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131na odaklan\u0131yor olaca\u011f\u0131z. \u00d6nceki .NET 6 – WebApplicationBuilder\u2019\u0131 \u0130nceleyelim ba\u015fl\u0131kl\u0131 makalede a\u00e7\u0131kland\u0131\u011f\u0131 gibi uygulama yap\u0131land\u0131rmas\u0131n\u0131n yap\u0131ld\u0131\u011f\u0131 yer \u00e7o\u011funlukla WebApplicationBuilder‘d\u0131r....<\/p>\n","protected":false},"author":1,"featured_media":23959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4446],"tags":[4481,4482,4466,4483,4464],"class_list":["post-24032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-net-6","tag-net-6-middleware","tag-net-6-middleware-pipeline","tag-net-6-webapplication","tag-middleware-pipeline","tag-webapplication"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/24032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/comments?post=24032"}],"version-history":[{"count":40,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/24032\/revisions"}],"predecessor-version":[{"id":24083,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/posts\/24032\/revisions\/24083"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/media\/23959"}],"wp:attachment":[{"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/media?parent=24032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/categories?post=24032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gencayyildiz.com\/blog\/wp-json\/wp\/v2\/tags?post=24032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}