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Opis Windows Communication Foundation Unleashed: Windows Communication Foundation (WCF) ties together previously separate Microsoft technologies (COM, COM+, MSMQ, .NET remoting, etc.) which enable disparate software systems and programs to interact with each other. This is one of the toughest tasks for enterprise developers, who have been eagerly awaiting the release of WCF since it was announced in the fall of 2003 (under the code name Indigo.) The authors work with the WCF development team to help Microsoft partner companies implement and use WCF. They are uniquely positioned to write this book. From their contact with the WCF team they have inside knowledge of the way that WCF was designed and functions. From their work with early adopters of the technology they know where the problem spots are, and what sort of information is not covered adequately by the online documentation. WCF is one of the three pillars of .NET 3.0, along with Windows Presentation Foundation and Windows Workflow Foundation, and with those two will revolutionize the way programmers develop software. Every .NET developer will need to learn about WCF, and there is no better or copmlete guide to WCF than Windows Communication Foundation Unleashed. <>Windows Communication Foundation (WCF) is a new Microsoft technology for allowing software to communicate. Superseding earlier technologies, such as COM/DCOM, .NET Remoting, ASP.NET Web Services, and the Web Services Enhancements for .NET, WCF provides a single solution that is designed to always be the best way to exchange data among software entities. It also provides the infrastructure for developing the next generation of Web services, with support for the WS-* family of specifications, and a new serialization system for enhanced performance. For information technology professionals, WCF supplies an impressive array of administration tools that enterprises and software vendors can use to reduce the cost of ownership of their solutions without writing a single line of code. Most important, WCF finally delivers on the long-postponed promise of model-driven software development with the new software factory approach, by which one can iteratively design solutions in a modeling language and generate executables from lower-level class libraries. Windows Communication Foundation Unleashed is designed to be the best resource for software developers and architects working with WCF. The book guides readers toward a conceptual understanding of all the facilities of WCF and provides step-by-step guides to applying the technology to practical problems.
As evangelists at Microsoft for WCF, Craig McMurtry, Marc Mercuri, Nigel Watling, and Matt Winkler are uniquely positioned to write this book. They had access to the product as it was being built and to the development team itself. Their work with enterprises and outside software vendors has given them insight into how others see the software, how they want to apply it, and the challenges they face in doing so. Foreword Introduction Part I Introducing the Windows Communication Foundation 2 The Fundamentals 3 Data Representation 4 Sessions, Reliable Sessions, Queues, and Transactions Part II Introducing the Windows Workflow Foundation 5 Fundamentals of the Windows Workflow Foundation 6 Using the Windows Communication Foundation and the Windows Part III Security 7 Security Basics 8 Windows CardSpace, Information Cards, and the Identity Metasystem 9 Securing Applications with Information Cards 10 Advanced Security Part IV Integration and Interoperability 11 Legacy Integration 12 Interoperability Part V Extending the Windows Communication Foundation 13 Custom Behaviors 14 Custom Channels 15 Custom Transports Part VI Special Cases 16 Publish/Subscribe Systems 17 Peer Communication 18 Representational State Transfer and Plain XML Services Part VII The Lifecycle of Windows Communication Foundation Applications 19 Manageability 20 Versioning Part VIII Guidance 21 Guidance Index Spis treści Windows Communication Foundation Unleashed: Foreword.xvi Introduction.1 Part I Introducing the Windows Communication Foundation
1 Prerequisites.7
Introduction 7 Partial Types 7 Generics8 Nullable Value Types . 11 The Lightweight Transaction Manager 13 Role Providers . 14 Summary17 References. 17
2 The Fundamentals 19
Background19 The Service Model26 A Software Resource. 31 Building a Service for Accessing the Resource 34 Using the Service52 Hosting the Service in IIS65 Changing How the Service Communicates 70 Summary74 References. 74
3 Data Representation.77
Background77 The XmlSerializer and the DataContractSerializer 79 The XML Fetish 83 Using the DataContractSerializer88 Exception Handling . 103 Summary 108 References 108
4 Sessions, Reliable Sessions, Queues, and Transactions.109
Introduction109 Reliable Sessions109 Reliable Sessions in Action 111 Session Management113 Queued Delivery 114 Enhancements in Windows Vista 116 Transactions 118 Summary 128
5 Fundamentals of the Windows Workflow Foundation.131
Introduction131 What Is Windows Workflow Foundation? 131 What Windows Workflow Foundation Is Not . 132 Activities. 132 Out of the Box Activities135 Creating Custom Activities136 Communicating with Activities143 Design Behavior . 149 Transactions and Compensation 151 Workflow Models . 154 Sequential Workflows 155 State Machine Workflows. 163 Custom Root Activities . 165 Workflow Hosting 166 Hosting the Runtime. 166 Runtime Services 168 Custom Services . 177 Rules Engine179 Rules as Conditions181 The ConditionedActivityGroup Activity183 Rules as Policy. 185 Summary 188 References 188
6 Using the Windows Communication Foundation and the Windows
Workflow Foundation Together.189 Introduction189 Consuming Services. 190 The Simple Case . 190 The General Case191 Orchestrating Services . 195 Exposing Workflows as Services 196 Publishing as a Web Service. 196 Hosting Inside a WCF Service . 200 Looking Ahead206 References 213
7 Security Basics.217
Introduction217 Basic Tasks in Securing Communications217 Transport Security and Message Security. 218 Using Transport Security. 219 Installing Certificates 219 Identifying the Certificate the Server Is to Provide. 221 Configuring the Identity of the Server223 Transport Security in Action 223 Using Message Security230 Impersonation and Authorization 236 Impersonation 236 Authorization 239 Reversing the Changes to Windows. 248 Uninstalling the Certificates 249 Removing the SSL Configuration from IIS250 Removing the SSL Configuration from HTTP.SYS 250 Restoring the Identity of the Server 250 Summary 251 References 251
8 Windows CardSpace, Information Cards, and the Identity Metasystem.253
Introduction253 The Role of Identity . 253 Microsoft Passport and Other Identity Solutions 256 The Laws of Identity 258 The Identity Metasystem 259 Information Cards and CardSpace 265 Managing Information Cards 267 Architecture, Protocols, and Security273 CardSpace and the Enterprise 286 Summary 290 References 290
9 Securing Applications with Information Cards.293
Introduction293 Developing for the Identity Metasystem . 293 Simple Demonstration of CardSpace295 Prerequisites for the CardSpace Samples . 296 1) Enable Internet Information Services and ASP.NET 2.0 296 2) Get X.509 Certificates 297 3) Import the Certificates Into the Certificate Store 297 4) Update the Hosts File with DNS Entries to Match the Certificates 298 5) Internet Information Services Setup . 298 6) Certificate Private Key Access . 299 7) HTTP Configuration . 300 Adding Information Cards to a WCF Application. 301 Adding Information Cards . 306 Using a Federation Binding 311 Catching Exceptions 313 Processing the Issued Token 314 Using the Metadata Resolver . 316 Adding Information Cards to Browser Applications . 317 Creating a Managed Card 328 Building a Simple Security Token Service 332 Summary 334 References 335
10 Advanced Security.337
Prelude 337 Introduction338 Securing Resources with Claims 338 Claims-Based Authorization Versus Role-Based Authorization. 339 Claims-Based Authorization Versus Access Control Lists 340 Adopting Claims-Based Authorization 341 Leveraging Claims-Based Security Using XSI342 Authorizing Access to an Intranet Resource Using Windows Identity343 Improving the Initial Solution 350 Adding STSs as the Foundation for Federation 358 Reconfiguring the Resource Access Service 372 Reconfiguring the Client376 Experiencing the Power of Federated, Claims-Based Identity with XSI. 378 Claims-Based Security and Federated Security380 Summary 381 References 381
11 Legacy Integration 385 Introduction385 COM+ Integration 385 Supported Interfaces386 Selecting the Hosting Mode. 387 Using the COM+ Service Model Configuration Tool 387 Exposing a COM+ Component as a Windows Communication Foundation Web Service 390 Referencing in the Client . 395 Calling a Windows Communication Foundation Service from COM 396 Building the Service 397 Building the Client 400 Building the VBScript File 401 Testing the Solution 402 Integrating with MSMQ402 Creating a Windows Communication Foundation Service That Integrates with MSMQ . 403 Creating the Request . 403 Creating the Service 404 Creating the Client 407 Testing411 Summary 412
12 Interoperability.413
Summary 415 References 416
13 Custom Behaviors.419
Introduction419 Extending the Windows Communication Foundation 419 Extending the Service Model with Custom Behaviors . 420 Declare What Sort of Behavior You Are Providing421 Attach the Custom Behavior to an Operation or Endpoint425 Inform the Windows Communication Foundation of the Custom Behavior . 426 Implementing a Custom Behavior426 Declare . 426 Attach 427 Inform427 Implementing Each Type of Custom Behavior435 Operation Selector . 436 Parameter Inspector 438 Message Formatter . 440 Message Inspector442 Instance Context Provider445 Instance Provider446 Operation Invokers 447 Implementing a WSDL Export Extension448 Implementation Steps 448 Custom Behaviors in Action451 Summary 452 References 452
14 Custom Channels 453
Introduction453 Binding Elements . 453 Outbound Communication . 454 Inbound Communication 455 Channels Have Shapes 456 Channels Might Be Required to Support Sessions. 457 Matching Contracts to Channels458 Communication State Machines 460 Building Custom Binding Elements . 461 Understand the Starting Point 461 Provide a Custom Binding Element That Supports Outbound Communication 463 Amend the Custom Binding Element to Support Inbound Communication 470 Applying a Custom Binding Element Through Configuration .476 Summary 480
15 Custom Transports.481
Introduction481 Transport Channels . 481 Inbound Communication 482 Outbound Communication . 482 Message Encoders . 482 Completing the Stack482 Implementing a Transport Binding Element and an Encoder Binding Element 484 The Scenario 484 The Requirements485 The TcpListener and the TcpClient Classes485 Implementing Custom Binding Elements to Support an Arbitrary TCP Protocol 488 The Configuration . 488 The Custom Transport Binding Element 490 The Channel Listener 493 The Transport Channel. 496 The Message Encoder 499 Using the Custom Transport Binding Element 500 Summary 501 References 501
16 Publish/Subscribe Systems.505
Introduction505 Publish/Subscribe Using Callback Contracts 506 Publish/Subscribe Using MSMQ Pragmatic Multicasting . 513 Publish/Subscribe Using Streaming 521 The Streamed Transfer Mode 522 Transmitting a Custom Stream with the Streamed Transfer Mode 526 Implementing Publish/Subscribe Using the Streamed Transfer Mode and a Custom Stream531 Summary 535 References 535
17 Peer Communication.537
Introducing Peer Channel537 Using Structured Data in Peer-to-Peer Applications537 Leveraging the Windows Peer-to-Peer Networking Development Platform 538 Understanding Windows Peer-to-Peer Networks539 Using Peer Channel . 539 Endpoints 539 Binding. 540 Address . 543 Contract 544 Implementation . 544 Peer Channel in Action 545 Envisaging the Solution 545 Designing the Data Structures. 549 Defining the Service Contracts551 Implementing the Service Contracts . 554 Configuring the Endpoints555 Directing Messages to a Specific Peer. 558 Custom Peer Name Resolution 560 Seeing Peer Channel Work 566 Peer Channel and People Near Me568 Summary 568 References 568
18 Representational State Transfer and Plain XML Services.569
Introduction569 Representational State Transfer . 569 REST Services . 570 REST Services and Plain XML 570 The Virtues and Limitations of REST Services 571 Building REST POX Services with the Windows Communication Foundation . 572 The Address of a REST POX Service Endpoint . 572 The Binding of a REST POX Service Endpoint. 572 The Contract of a REST POX Service Endpoint573 Implementation . 574 A Sample Application 574 Summary 579 References 579
19 Manageability.583
Introduction583 Instrumentation and Tools. 584 The Configuration System and the Configuration Editor . 585 The Service Configuration Editor587 Configurable Auditing of Security Events. 594 Message Logging, Activity Tracing, and the Service Trace Viewer 597 Performance Counters 608 WMI Provider . 610 Completing the Management Facilities 621 Summary 621 References 621
20 Versioning.623
Introduction623 Versioning Nomenclature 624 The Universe of Versioning Problems624 Adding a New Operation . 625 Changing an Operation 626 Deleting an Operation 630 Changing a Binding 630 Deciding to Retire an Endpoint 631 Changing the Address of a Service Endpoint 631 Centralized Lifecycle Management 632 Summary 634 References 635
21 Guidance.639
Introduction639 Adopting the Windows Communication Foundation . 639 Working with Windows Communication Foundation Addre |
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