Slide1: HARJEET SINGH


Agenda: Agenda


WCF is: WCF is


.NET at the core: .NET at the core The Unified Framework For Rapidly Building Service-Oriented Applications


Windows Communication Foundation: Windows Communication Foundation


Unified Programming Model: Unified Programming Model Interop with other platforms ASMX Attribute- Based Programming Enterprise Services WS-* Protocol Support WSE Message- Oriented Programming System.Messaging Extensibility Location transparency .NET Remoting


Agenda: Agenda


How does it work?Endpoints: How does it work? Endpoints Client Service Message


How does it work?Address, Binding, Contract: How does it work? Address, Binding, Contract Client Service Message Address Binding Contract (Where) (How) (What)


How does it work?Behaviours and Metadata: How does it work? Behaviours and Metadata Client Service Message Metadata Bv Bv Bv Bv Proxy ServiceHost()


Agenda: Agenda


How do I use it?: How do I use it? Client Service


How do I deploy it?: How do I deploy it? For HTTP services on Windows XP® SP2 & WS2K3 For any service on Windows Vista® and Windows Server® “Longhorn” Proven reliability, scalability, and security Requires a .svc file to identify the Service Type Web Host within IIS: Self-Host within any .NET process: Available for any service Console apps, windowed apps, .NET NT Services …


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All About BindingsYou can choose a pre-defined binding:: All About Bindings You can choose a pre-defined binding: <endpoint name=“MyService” address=“MyAddress” binding=“netTcpBinding” contract=“IMyInterface” />


All About BindingsYou can customize a pre-defined binding:: All About Bindings You can customize a pre-defined binding: <services> <service name=“MyService”> <endpoint address=“MyAddress” binding=“wsHttpBinding” bindingConfiguration=“MyReliableBinding” contract=“IMyInterface” /> <service/> </services> <bindings> <wsHttpBinding> <binding name=“MyReliableBinding”> <reliableSession enabled=“true” ordered=“true” </binding> </wsHttpBinding> </bindings>


All About BindingsYou can define custom bindings:: All About Bindings You can define custom bindings: <services> <service name=“MyService”> <endpoint address=“MyAddress” binding=“wsHttpBinding” bindingConfiguration=“MyReliableBinding” contract=“IMyInterface” /> <service/> </services> <bindings> <wsHttpBinding> <binding name=“MyReliableBinding”> <reliableSession enabled=“true” ordered=“true” </binding> </wsHttpBinding> </bindings>


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All about Addresses: All about Addresses An endpoint address is relative to a base address: For a Web-Hosted service, the base address is that of its virtual directory <services> <host> <baseAddresses> <add baseAddress="http://localhost:8000/MyBaseAddress"/> </baseAddresses> </host> <service name=“MyService”> <endpoint address=“MyEndpointAddress” binding=“wsHttpBinding” bindingConfiguration=“MyReliableBinding” contract=“IMyInterface” /> <service/> </services>


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All About Contracts: All About Contracts Service Contract: Describes the operations a service can perform. Maps CLR types to WSDL. Data Contract: Describes a data structure. Maps CLR types to XSD. Message Contract: Defines the structure of the message on the wire. Maps CLR types to SOAP messages.


Agenda: Agenda


Hosting Services in ASP.NET: Hosting Services in ASP.NET


Where can I put my service code?: Where can I put my service code?


Which project type should I use?: Which project type should I use?


Agenda: Agenda


Slide29: IIS Worker Process (w3wp.exe)


Slide30: w3wp.exe ASP.NET


Slide31: w3wp.exe ASP.NET Managed Hosting Layer (System.Web.Hosting, System.Web.Compilation) ASP.NET Page Framework, UI, Controls, HTTP Runtime (System.Web, System.Web.UI)


Slide32: w3wp.exe ASP.NET Managed Hosting Layer (System.Web.Hosting, System.Web.Compilation) ASP.NET Page Framework, UI, Controls, HTTP Runtime (System.Web, System.Web.UI)


WCF and the HTTP Pipeline: WCF and the HTTP Pipeline IIS ASP.NET WCF


Why the split?: Why the split?


Implications: Implications


Summary: Summary