Pro WCF 4. Practical Microsoft SOA Implementation SECOND EDITION. Apress* Nishith Pathak

Transcription

1 Pro WCF 4 Practical Microsoft SOA Implementation SECOND EDITION Nishith Pathak Apress*

2 Contents at a Glance iv About the Author About the Technical Reviewer Acknowledgments xiv xv xvi Introduction xvil Part I: Introducing Windows Communication Foundation 1 Chapter 1: WCF and SOA Basics... 3 Understanding SOA 3 What Is a Service? 5 Tenet 1: Boundaries Are Explicit 6 Tenet 2: Services Are Autonomous 6 Tenet 3: Services Share the Schema and Contract Tenet 4: Service Compatibility Is Based on Policy Not the Glass 7 7 A Brief History of the Microsoft Distributed Stack...8 Why Are Web Services the Preferred Option? 10 What Does WCF Solve? 11 Unification of Existing Technologies 12 Interoperability Across Platforms 13 WCF As a Service-Oriented Development Tool 15 Exploring Features in WCF 18 Developer Productivity 18 Attribute-Based Development 18

3 Coexisting with Existing Technology 19 Hosting Services 19 Migration/Integration with Existing Technology 20 One Service Multiple Endpoints 21 Integration Technologies 22 How Do You Unify All These Technologies? 22 Summary 24 Chapter 2: What's New in WCF Introducing the ABCs of WCF 25 Standard Endpoints 27 Simplified Configuration 31 Default Endpoints 32 Default Bindings 34 Default Behavior 36 Fileless Activation 37 Service Discovery 37 Support of Visual Studio 41 Routing Service 42 Improved REST Support 48 Workflow Services 51 Summary Chapter 3: Exploring the WCF Programming Model 55 Introducing the Technical Architecture 56 Introducing the Programming Approach 56 WCF Programming Model 57 Addresses 58 Bindings 60 Contracts 62

4 Looking Inside the WCF Layers 69 The Messaging Layer 70 Using ServiceHost and Channel Factory 72 ServiceHost 72 ChannelFactory 79 Service Description 84 Service Runtime 84 Applying Behaviors 85 Service Behavior 86 Contract Behavior 88 Channel Behavior 89 Operation Behavior 89 Service Metadata Behavior 89 Using the Configuration Tool 91 Configuring Diagnostics 92 Configuring Instrumentation 96 Summary 98 Part II: Programming with WCF 99 Chapter 4: Installing and Creating WCF Services 101 Understanding the Requirements 101 Hardware Requirements 101 Software Requirements 102 Installing the.net 4.0 Development Components 103 Understanding Service Contracts 105 Contract First or Code First? 106 Service Design 107 Programming Model 108 Hello World 108 Hello World with Interfaces 110

5 Hosting on IIS 117 ServiceContract Attribute 120 OperationContract Attribute 125 ServiceBehavior Attribute 128 OperationBehavior Attribute 128 Understanding Data Contracts 129 XML Serialization 129 Data Contracts 136 Message Contracts 138 Summary 144 Chapter 5: Hosting and Consuming WCF Services Hosting Environment Features 147 Hosting Environment Requirements 148 Self-Hosting Your Service 149 Hosting in Windows Services Hosting Using IIS 158 Core IIS Features 159 Hosting WCF Services in IIS 160 Configuring WCF Services in IIS 161 Accessing ServiceHost in IIS 163 Recycling 164 ASP.NET Compatibility Mode 165 Windows XP and IIS Windows Server 2003 and IIS Hosting in IIS WAS 171 Hosting WCF Services in Windows Azure 173 Hosting Options 181 Consuming WCF Services 182 Service Proxies 182

6 Summary 183 Chapter 6: Managing WCF Services 185 Exploring the Business Drivers 186 Building Custom Code to Monitor Activity 187 Using Configuration Files 194 Configuration Editor: SvcConfigEditor.exe 194 Using Tracing and Message-Logging Capabilities 195 Message Logging 195 Enabling Message Logging 196 Enabling Tracing Using SvcTraceViewer.exe 199 Using WCF Performance Counters 200 Enabling Built-in WCF Performance Counters 201 Creating Custom Performance Counters 205 Using WMI 212 Summary 215 Part III: Advanced Topics in WCF 217 Chapter 7: Implementing WCF Security 219 Business Drivers 220 Introducing the WCF Security Features 220 Security Features of Bindings 221 Protection Levels -222 Credentials and Claims 222 Presenting Credentials and Claims to WCF 226 Binding Support for Credentials 227 Transport-Level Security 228 Message-Level Security 231 Mixed-Mode Security 236

7 Federated Security Model in WCF 238 Authorization in WCF 239 Authorization Options for One-Way Communications 244 Auditing for Security Features in WCF 245 Windows CardSpace 247 How Windows CardSpace Works 248 Enabling Windows CardSpace in WCF 249 Summary 251 Chapter 8: Implementing Reliable Messaging and Queue-Based Communications 253 The Need for Reliable Messaging 254 Challenges of Implementing Reliable Messaging 254 Communication Issues 255 Processing Issues 255 Reliable Sessions 256 Enabling WCF Web Services with Reliable Sessions 257 The ReliableSessionBindingElement Class 260 Some Pointers on Reliable Messaging 260 Queuing in WCF 262 Installing MSMQ 264 Microsoft Message Queues in Windows Server Transport Channels 267 Integration Channels 274 Some Pointers on Using MSMQ 278 Summary 279 Chapter 9: Using Transactions in WCF 281 What's a Transaction? 281 Understanding the Types of Transactions in WCF 284 Defining Transactions in WCF 286

8 Using the TransactionFlow Attribute 286 Using the ServiceBehavior and OperationBehavior Attributes 287 Defining Transactions in QuickRetums Ltd 289 Working with Transactions and Queues 297 Summary 301 Chapter 10: Integrating with COM+ 303 Why Integrate with COM+? 303 Running a COM+ Application As a WCF Service 304 Visual Basic 6 COM+ Component Sample Setup 305 COM+ Application WCF Service Wrapper 309.NET Enterprise Services and COM+ Components 318 Consuming WCF Services from COM+ 325 QuickRetums Ltd. Quote Service 326 Security Credentials with IChannelCredentials 333 Summary 335 Chapter 11: Working with Data «337 Understanding the Data Transfer Architecture 337 Exploring the Serialization Options in WCF 338 Introducing Data Contracts 339 Data Contract Names 341 Data Contract Equivalence 343 Data Contract Versioning 347 Round-Tripping XML Serialization 351 Security 353 Introducing Message Contracts 353 Fine-Tuning SOAP 355 Security 357 Performance 357

9 Using the Message Class 358 Filtering 360 Filters 360 Filter Tables 361 Best Practices for Versioning 361 Versioning with Schema Validation. 361 Versioning without Schema Validation 362 Putting It All Together: Quote Client Sample Application 363 Creating the Service 363 Creating the Client 366 Summary 369 Chapter 12: Developing Peer-to-Peer Applications with WCF Introducing P2P Computing 371 Why Use P2P? 372 The Challenges of P2P 373 P2P Development Life Cycle 374 Windows P2P Networking 375 How Does a P2P Mesh Work? 378 What Is Peer Channel? 380 QuickReturnTraderChat Sample 381 P2P Security 385 QuickReturnSecureTraderChat Sample 387 Working with NetShell 390 Listing Clouds 391 Cloud Scopes 393 Listing Peers in a Cloud 393 Cloud Statistics 394 Working with Peers 395 SOA with P2P 396 Summary 398

10 Chapter 13: Implementing SOA Interoperability 399 Achieving Java/J2EE Interoperability 399 Non-Microsoft SOA Platforms 400 Interoprability with WS-I Basic Profile 401 Sending Binary Data Over Web Services Using WS-ReiiableMessaging WS-ReliableMessaging Example 415 Platform Support of WS-ReliableMessaging 418 Summary 418 Appendix: QuickReturns Ltd Market Overview 420 Service and Collaboration 420 Asset Manager 420 Market Maker 421 Exchange 421 Depository 422 Data Contracts 422 Quote 422 Trade 423 Execution 423 Settlement 424 Position 424 Index: 425