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WCF

WCF. Overview of WCF Architecture. Service-Oriented Development with WCF. Sending a WCF Message. The ABC of Endpoints. Endpoint sandara. Address (kur). Binding (kaip). Transport. Encoding. Security. Contract (ką). ServiceContract. OperationContract. DataContract.

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WCF

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  1. WCF

  2. Overview of WCF Architecture

  3. Service-Oriented Development with WCF

  4. Sending a WCF Message

  5. The ABC of Endpoints

  6. Endpoint sandara Address (kur) Binding (kaip) Transport Encoding Security Contract (ką) ServiceContract OperationContract DataContract

  7. Structure of a Service

  8. A Unified Programming Model

  9. Communicating with Non-WCF Services

  10. Using a Language-Level Interface As a Service Contract

  11. Example of a Simple Contract

  12. The ServiceContract Attribute

  13. The OperationContract Attribute

  14. Data and Messages

  15. Contracts, Metadata, and Artifacts

  16. Implementing a Simple WCF Service in Visual Studio 2008

  17. Defining the Service Contract and Service Class

  18. Hosting the Service

  19. Configuring the Service

  20. Demonstration: Creating a Simple Bank Service

  21. Consuming a Simple WCF Service in Visual Studio 2008

  22. Importing the Metadata

  23. Calling the Service by Using the Proxy

  24. Demonstration: Calling the Simple Bank Service

  25. class HelloService { • [WebMethod] • public String Hello(String Greeting) { • X509CertificateCollection collection = new X509CertificateCollection(); • IntPtr blob = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(CRYPTOAPI_BLOB))); • IntPtr data = (IntPtr)((int)blob + • Marshal.SizeOf(typeof(CRYPTOAPI_BLOB))); • … • SeqAckRange range = new SeqAcknRange(id, low, high ); • SeqAckRange[] ranges = { range }; • ReliableQueue.ProcessAcks( ranges ); • … • BeginTransaction (NULL, • ISOLATIONLEVEL_SERIALIZABLE, 0, pITxOptions, • &pITransaction); • … • return Greeting; • } • } 20,379 linessecurity 5,988 lines reliable messaging 25,507 linestransactions 4,442 lines infrastructure Total lines 56,296 ProductivityUsing Visual Studio .NET 2003

  26. class HelloService { [WebMethod] public String Hello(String Greeting) { foreach ( SecurityTokentok in requestContext.Security.Tokens { X509SecurityToken token = tok as X509SecToken } … SeqAckRange range = new SeqAcknRange(id,low,high ); SeqAckRange[] ranges = { range }; ReliableQueue.ProcessAcks( ranges ); … BeginTransaction (NULL, ISOLATIONLEVEL_SERIALIZABLE, 0, pITxOptions, &pITransaction); … return Greeting; } } 10 lines security 1,804 lines reliable messaging 25,507 linestransactions Total lines 27,321 ProductivityUsing Visual Studio .NET 2003 and WSE

  27. [ServiceContract] class HelloService { [OperationContract] [PrincipalPermission(SecurityAction.Demand, Role = “Adminstrators")] [TransactionFlow(TransactionFlowOption.Mandatory)] [OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)] String Hello(String Greeting) {return Greeting;} } <bindings> <wsHttpBinding> <binding name="Binding1“ transactionFlow="true"> <security mode="Message"> <message clientCredentialType="Windows“/> </security> <reliableSession enabled="true" /> </binding> </wsHttpBinding> </bindings> 1 code + 2 config (elem.) security 0 code + 1 config (elem.) reliable messaging 2 code + 1 config (attr.)transactions Total lines:3 code (what) + 4config (how) Productivity Using Visual Studio 2005 and WCF

  28. WCF bindings Notes: X = Not Supported, WS-A = WS-Addressing, WS-AT = WS-AtomicTransactions, OleTx = OleTransactions* Transaction flow is always disabled by default, but when you enable it, these are the default protocols

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