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Designing Applications with MSMQ: Message Queuing for Developers View Larger Image | Alan Dickman
Addison-Wesley, Paperback, Published August 1998, 370 pages, ISBN 0201325810 | List Price: $47.95
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"This book is an invaluable resource for learning about MSMQ."
--Peter Houston
MSMQ Product Manager, Microsoft Corporation
Microsoft Message Queue Server (MSMQ)--which is incorporated into the newest version of Windows NT--brings asynchronous transaction processing (TP) capabilities to the Windows platform for the first time. MSMQ combines the high performance and robustness of mainframe transaction processing with a flexibility of objects, an administrative ease-of-use, and an ability to scale. As such MSMQ is a key technology contributing to the growth of Internet commerce and intranet distributed processing.
Whether you are a Windows programmer who is new to transaction processing or a UNIX programmer who wants to learn more about MSMQ, this book will introduce you to the topic and show you how to develop transaction-processing applications using the MSMQ technology.
Designing Applications with MSMQ offers an overview of the general design of queued messaging applications and a discussion on how MSMQ can be used in two-tier, three-tier, Web, and component architecture applications. This book also provides a detailed description of MSMQ architecture, queue, and message properties, as well as a detailed description of how MSMQ interacts with other transaction technologies, such as MTS and SQL Server.
A step-by-step tutorial shows you how to write MSMQ applications using COM components, Visual Basic, Visual C++, and the MSMQ API. In addition to the tutorial, this book offers a comprehensive introduction to transaction processing and develops a full-scale application using MSMQ that illustrates the technology's power and potential for this emergent field.
Contents
Foreword xiii
Preface xvii
Chapter 1 Distributed Architectures and Microsoft Message Queue Server (MSMQ) 1
- 1.1 Introduction to MSMQ Application Architectures 3
- 1.1.1 Communications within Distributed Applications 3
-
- 1.1.2 Queued Messaging Application Architectures 4
- 1.2 Using MSMQ in Well-Known Distributed Application Architectures 9
- 1.2.1 Monolithic Systems 9
- 1.2.2 Two-Tier Systems 10
- 1.2.3 Three-Tier Systems 12
- 1.2.4 Web Applications 16
- 1.3 The Future of MSMQ 17
- 1.4 Conclusion 18
- 1.5 Resources and References 18
Chapter 2 Overview of MSMQ Architecture
and Features 21
- 2.1 Selected Definitions 22
- 2.2 Programming Interfaces 24
- 2.3 Messages and Message Queues 25
- 2.3.1 Messages 25
- 2.3.2 Queues 27
- 2.4 Sending and Receiving Messages 29
-
- 2.4.1 Peeking at Messages 30
- 2.4.2 Transactional Messaging 30
- 2.4.3 Message Security 33
- 2.4.4 Message Encryption 34
- 2.5 MSMQ Architecture 35
- 2.5.1 MSMQ Enterprise 35
- 2.5.2 Connected Networks 38
- 2.5.3 Message Routing 38
- 2.5.4 Enterprise Security 41
- 2.6 Integration with non-MSMQ Messaging Environments 42
- 2.7 Conclusion 45
- 2.8 Resources and References 46
Chapter 3 Properties and Queue Names 47
- 3.1 Properties 47
- 3.1.1 Queue Properties 48
- 3.1.2 Message Properties 50
- 3.2 Queue Naming 59
- 3.2.1 Pathnames 59
- 3.2.2 Format Names 60
- 3.3 Conclusion 67
- 3.4 Resources and References 67
Chapter 4 An MSMQ Application Using the COM Components 69
- 4.1 Overview of Hello World 70
- 4.2 MSMQ COM Components 73
- 4.2.1 MSMQQueueInfo 73
- 4.2.2 MSMQQueue 74
- 4.2.3 MSMQMessage 74
- 4.2.4 MSMQQuery 74
- 4.2.5 MSMQQueueInfos 75
- 4.3 Queue Creation 75
- 4.3.1 Using MSMQ Explorer 76
- 4.3.2 Using COM 79
- 4.4 Locating Queues 81
- 4.5 Creating the Hello World Sender Form 84
- 4.6 Opening Queues and Sending Messages 86
- 4.7 Receiving Responses 90
- 4.8 Closing Queues 93
- 4.9 The Hello World Receiver 94
- 4.10 Summary 97
- 4.11 Resources and References 97
Chapter 5 An MSMQ Application Using the
MSMQ API 99
- 5.1 Overview of Hello World 100
- 5.2 Working with Properties in the MSMQ API 102
- 5.2.1 Using MQQUEUEPROPS to Represent Queue Properties 102
- 5.2.2 Using MQMSGPROPS to Represent Message Properties 105
- 5.2.3 Using MQPROPVARIANT to Represent Property Values 106
- 5.2.4 Scenarios Using MQQUEUEPROPS, MQMSGPROPS, and MQPROPVARIANT 108
- 5.3 Creating Queues 111
- 5.4 Locating Queues 114
- 5.5 Opening, Closing, and Deleting Queues 119
- 5.6 Receiving Messages and Sending a Response 122
- 5.7 The Hello World Sender 127
- 5.8 Sample Program Output 131
- 5.9 Conclusion 134
- 5.10 Resources and References 135
Chapter 6 MSMQ Queue and Message Design Considerations 137
- 6.1 Hello World Program Analysis 137
- 6.2 Queue Options 139
- 6.3 Messages and Message Property Options 141
- 6.3.1 Message Types 141
- 6.3.2 Message Body Structure 142
- 6.4 Summary 144
- 6.5 Resources and References 144
Chapter 7 Solutions to Message Problems 145
- 7.1 Converting Message and Correlation IDs to Strings 146
- 7.2 Request and Response Correlation 147
- 7.2.1 Copying a Message Identifier into a Correlation Identifier 148
- 7.2.2 Request and Response Message Correlation 150
- 7.3 Asynchronous Message Processing 156
- 7.3.1 Setting Up to Receive Messages Asynchronously 157
- 7.3.2 Receiving Messages Asynchronously 159
- 7.3.3 Processing Wait Timer Timeouts 162
- 7.3.4 Using the MSMQ API 162
- 7.4 Handling Variable-Length Messages 164
- 7.5 Multipart Message Sequences 169
- 7.6 Object Shipping 172
- 7.6.1 Sending and Receiving a Standard Microsoft Word Document 174
- 7.6.2 Sending Data Records 176
- 7.6.3 Sending Your Own COM Objects 178
- 7.7 Working While Off Line 179
- 7.8 Conclusion 180
- 7.9 Resources and References 180
Chapter 8 Improving Message Tracking
and Recovery 181
- 8.1 Overview of MSMQ Facilities 181
- 8.2 Making Messages Recoverable 184
- 8.3 Setting Up Message and Queue Journals 185
- 8.3.1 Message Journals 185
- 8.3.2 Queue Journals 187
- 8.4 Tracing Message Routing 190
- 8.5 Acknowledging Messages 193
- 8.6 Recovering and Tracing Messages 196
- 8.6.1 Nontransactional Messages 196
- 8.6.2 Transactional Messages 199
- 8.7 Conclusion 200
- 8.8 Resources and References 200
Chapter 9 MSMQ Security 201
- 9.1 Authentication 202
- 9.1.1 Queue Authentication Options 205
- 9.1.2 Using Internal Certificates with Messages 209
- 9.1.3 Using External Certificates with Messages 211
- 9.2 Message Encryption 214
- 9.2.1 Queue Privacy Options 215
- 9.2.2 Sending and Receiving Private Messages 217
- 9.3 MSMQ Access Controls 219
- 9.4 Managing Queue Access Programmatically 222
- 9.5 Access Event Auditing 225
- 9.6 Conclusion and Recommendations 227
- 9.7 Resources and References 229
Chapter 10 Introduction to Transaction Processing 231
- 10.1 Basics of Transaction Processing 232
- 10.1.1 Transaction Processing Systems 232
- 10.1.2 Goals of Transaction Processing 235
- 10.1.3 Complementary TP Technologies-Clustering 236
- 10.2 The ACID Properties 236
- 10.2.1 Atomicity 236
- 10.2.2 Consistency 239
- 10.2.3 Isolation 240
- 10.2.4 Durability 240
- 10.3 Distributed Transaction Processing 241
- 10.3.1 On-Line Distributed Transactions 242
- 10.3.2 Two-Phase Commit 243
- 10.3.3 Nested Transactions 246
- 10.3.4 Overhead 247
- 10.4 Transactional Queued Messaging 248
- 10.4.1 Error Handling 249
- 10.4.2 Compensating Transactions 250
- 10.4.3 Overhead 251
- 10.5 When to Use On-Line or Queued Transactions 252
- 10.5.1 Strengths and Weaknesses of On-Line Distributed Transactions 253
- 10.5.2 Strengths and Weaknesses of Queued Messaging 254
- 10.6 Conclusions and Recommendations 255
- 10.7 Resources and References 256
Chapter 11 Implementing Transactions and Assessing Performance 257
- 11.1 Basics of Transactional Messaging 259
- 11.2 External Transactions 259
- 11.2.1 DTC Transactions 260
- 11.2.2 MTS Transactions 264
- 11.2.3 XA Transactions 272
- 11.3 Internal Transactions 274
- 11.3.1 Using COM 274
- 11.3.2 Using the MSMQ API 276
- 11.3.3 Single-Message Internal Transactions 277
- 11.4 In-Order Delivery 278
- 11.5 Conclusion 279
- 11.6 Resources and References 280
Appendix A COM Component and MSMQ API Reference 281
- A.1 COM Components 281
- A.2 MSMQ API Functions 292
- A.3 Queue and Message Properties 310
Appendix B Configuring Visual C++ and Visual Basic
for MSMQ 337
- B.1 Creating and Configuring a Project in Visual C++ 337
- B.1.1 Defining Header Files 338
- B.1.2 Defining Library Files 339
- B.2 Creating and Configuring a Project in Visual Basic 340
- B.2.1 Creating a New Project Workspace 341
- B.2.2 Defining the Library File 342
Appendix C MSMQ Performance 345
- C.1 Messaging Performance 345
- C.2 Conclusions and Recommendations 348
Index 351
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