.NET Core and DNX Chrisitan Horsdal Horsdal Consult @chr_horsdal - - PowerPoint PPT Presentation

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.NET Core and DNX Chrisitan Horsdal Horsdal Consult @chr_horsdal - - PowerPoint PPT Presentation

May 28, 2023 307 likes •714 views

.NET Core and DNX Chrisitan Horsdal Horsdal Consult @chr_horsdal .NET Core Middleware DNX X-Plat About me Christian Horsdal Independent Consultant www.horsdal-consult.dk c.horsdal@gmail.com @chr_horsdal ASP.NET 5 Everything changes

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.NET Core and DNX

Chrisitan Horsdal Horsdal Consult @chr_horsdal

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.NET Core Middleware DNX X-Plat

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About me

Christian Horsdal Independent Consultant www.horsdal-consult.dk c.horsdal@gmail.com @chr_horsdal

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ASP.NET 5

Everything changes

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ASP.NET Today

IIS .NET BCL ASP.NET ASP.NET MVC ASP.NET Web API HTTP Modules ASP.NET WebForms HTTP Handlers Request pipeline HTTP Context et al. Caching Session State

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ASP.NET – things not in 5

IIS .NET BCL ASP.NET ASP.NET MVC ASP.NET Web API HTTP Modules ASP.NET WebForms HTTP Handlers Request pipeline HTTP Context et al. Caching Session State

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ASP.NET – and things changed in 5

IIS .NET BCL ASP.NET ASP.NET MVC ASP.NET Web API HTTP Modules ASP.NET WebForms HTTP Handlers Request pipeline HTTP Context Caching Session State

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Highlights of ASP.NET 5

  • DNX runtime
  • Modularized .NET
  • Cross platform .NET
  • Side-by-side deploy
  • OWIN / Middleware
  • Independent of Visual Studio
  • Unified MVC and WebAPI
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Why Do I Care?

  • DNX and cross platform:
  • Broader eco system
  • DNX as enabler for your own tooling
  • DNX as enabler for 3rd party / OSS tooling
  • Use Linux in prodcution
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Why Do I Care?

  • Modularized .NET
  • Smaller footprint on disk and memory
  • Faster development from MS on some parts
  • Side-by-side on different versions
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Why Do I Care?

  • Middleware
  • Nice modular way of working
  • Sparation of infrastructure and application
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Roadmap

Milestone Release week Beta6 27 Jul 2015 Beta7 2 Sep 2015 Beta8 5 Oct 2015: Feature complete RC1 Nov 2015: Stabilized 1.0.0 Q1 2016 > 1.0.0 Maybe Q3 2016: VB.NET, SignalR, WebPages

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.NET CORE

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AKA: Cloud Optimized Framework

  • Because cloud. CLOUD. CLOUD
  • Trimmed down
  • Opt-in to more through NuGets
  • Not in GAC
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BIN Deploy

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Source code dnu publish Server with DNX xcopy

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Side-by-side deployment

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App 1 .NETCore v. X App 2 .NETCore v. Y App 3 .NETCore v. Z

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What In and What’s Out?

  • No System.Web
  • No desktop stuff
  • WPF
  • Winforms
  • GDI
  • No Windows APIs – system32

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No System.Web

  • System.Web is at the very core of ASP.NET today
  • Context
  • Request
  • Response
  • Session
  • Pipeline (that nasty global.asax stuff)
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What’s In and What’s Out

  • Cleanup
  • E.g. fewer cultures
  • E.g. fewer overloads here and there
  • Still being hashed out

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Command line fun: DNX, DNU, DNVM

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Why Command Line???

  • Automation
  • Cross platform
  • Visual Studio independence
  • Well worth learning

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DNX Runtime

Application

Frameworks (MVC, WebAPI, 3rd party) & OWIN middleware DNX CoreCLR FullCLR Mono

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DNX

  • Command line for all things ASP.NET 5
  • .NET Version Manager (dnvm)
  • .NET Development UItility (dnu)
  • .NET Execution Environment (dnx)
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Demo – YO, DNVM, DNU and DNX

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project.json

{ "dependencies": { "Microsoft.AspNet.Server.IIS" : "1.0.0-alpha2", "Microsoft.AspNet.Server.WebListener" : "1.0.0- alpha2", "Microsoft.AspNet.Owin": "1.0.0-alpha2", "Nancy" : “1.2.0" }, "configurations" : { “dnx451" : { }, “dnxcore50" : { } } }

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project.json

DOES NOT LIST ALL FILES IN PROJECT

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DNX, DNU, DNVM

  • No ties to

Visual Studio

  • Point-in-case:

atom-omnisharp

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ASP.NET 5 Pipeline

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ASP.NET 5: Pipeline

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Kestrel Throttling Middleware OAuth Middleware Application

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Middleware

  • Middleware transforms the request and response
  • Takes a context in
  • Can call next step in pipeline
  • Or not
  • Uniform interface

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ASP.NET 5: Pipeline

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Kestrel Throttling Middleware OAuth Middleware Application

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OWIN: The Standard

  • Several years in prod already
  • Used (semi) widely
  • Implemented by
  • Katana
  • Nowin
  • ASP.NET 5,…
  • Implemented by MVC, Nancy, Suave, …

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OWIN: Middleware Ecosystem

  • Security:
  • Oauth, Twitter, Facebook, Google, …
  • ClaimsTranformations
  • RequireSSL
  • ScopeValidation
  • …
  • Web:
  • Routing
  • Limits
  • Sitemap
  • StaticFiles
  • Monitoring
  • Raygun
  • Serilog
  • …

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OWIN Middleware - As lambda

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app.UseOwin(buildFunc => buildFunc(next => async ctx => { var stopWatch = new Stopwatch(); stopWatch.Start(); await next(ctx); WriteLine("Action execution time: " + stopWatch.ElapsedMilliseconds); }));

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Cross Platform

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DEMO

DNX, MVC, WINDOWS, LINUX

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