OWIN - Oh my... what´s that and why should I care?

by Robert Mühsig

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OWIN Oh my... what´s that and why should I care? Robert Muehsig @robert0muehsig

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Thanks to the sponsors

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Who am I? Robert Muehsig @robert0muehsig http://code-inside.de/blog-in

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Who am I? <3 HTTP, ASP.NET & the Web ASP.NET MVP

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Who am I? Working in Switzerland @ OneOffixx AG

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Who am I? Former Employer T-Systems Multimedia Solutions GmbH in Dresden, Germany* *Moved in August to Switzerland

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What is OWIN? Open Web Interface for .NET

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What is OWIN? A Spec!

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But for what?

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Once upon a time

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Masterplan one big framework to rule them all ASP.NET was born in 2002

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new frameworks appear

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Lightweight & Modular New Masterplan

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Inspiration for OWIN Ruby with Rack Node.js Phyton WSGI

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Inspiration for OWIN All Frameworks have an „Interface“ between WebServer & WebFramework

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Ruby «Rack» Rack defines an Interface Implemented by different Hosts: WEBrick Mongrel Passenger for nginx & Apache …

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Ruby «Rack» Rack defines an Interface Implemented by different Frameworks: Rails Sinatra …

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Ruby «Rack» Rack defines an Interface Supports Middleware: Logging Caching … Pipeline Pattern!

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State of OWIN

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OWIN Reached V 1.0 in the last week!

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History 14 Versions Organized via the Discussion Google Group

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Current state Incompatible NuGet Packages Not working Samples Not up-to-date Blogposts 

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Welcome to the Bleeding Edge

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«Components»

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OWIN as a Spec

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OWIN as an Assembly *and NuGet Package

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Running just OWIN  Might be look like this:

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OWINs best Friend Hello, Gate! Helper on Top of OWIN Middleware

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OWIN Hosts IIS HttpDefaultListener Firefly Mono Katana*

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OWIN Frameworks ASP.NET NancyFx SignalR WebApi FubuMVC …

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«Katana Project» - the MS Glue Provide Adapters for: Microsoft Frameworks Microsoft Hosts Non-MS-Frameworks like NancyFx *NancyFx will support OWIN nativly

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«Katana Project» - the MS Glue «Tooling» – Host for OWIN Hosts

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Getting started with OWIN Download Katana Project //codeplex Download Katana.exe via Chocolatey

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Chocolatey? Apt-Get, but for Windows based on NuGet

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Chocolatey! @powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new- object net.webclient).DownloadString('http://bit.ly/psChocInstall'))" && SET PATH=%PATH%;%systemdrive%\chocolatey\bin cinst Katana

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«Time for VS»

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//Empty WebApp Sample… ASP.NET

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//Katana Samples ASP.NET, WebApi, WebSockets

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//ConsoleNancySignalR

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Middleware… so easy: private static Func, Task> LogRequests(Func, Task> next) { return env => { var output = Dict.Get(env, "host.TraceOutput", () => Console.Out); output.WriteLine( "{0} {1}{2} {3}", env["owin.RequestMethod"], env["owin.RequestPathBase"], env["owin.RequestPath"], env["owin.RequestQueryString"]); return next(env); }; }