Unix网络编程卷1：TCP/IP与Socket接口详解

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"《UNIX网络编程卷1》是计算机科学领域的一本经典著作，由Addison-Wesley出版社出版，作者以其深厚的专业背景和丰富的经验，详尽阐述了Unix网络编程的相关知识。本书针对的是第三版，被誉为Unix网络编程的权威指南，主要讲解Sockets网络编程接口，适合深入理解网络通信机制的开发者阅读。该书的第一部分，"Introduction and TCP/IP"，首先通过实例引导读者进入网络编程的世界。第一章介绍了网络编程的基础概念，包括协议独立性、错误处理策略以及一个简单的日间服务（Daytime）的客户端和服务器示例。作者强调了协议栈的理解，提到了开放系统互连（OSI）模型，以及Unix在网络发展中的历史地位，如BSD网络体系结构。第二章进一步探讨了传输层，这是网络通信的关键层面。章节中详细讲解了用户数据报协议（UDP）、传输控制协议（TCP）和流控制传输协议（SCTP）。这些协议各自的特点、应用场景和工作原理被逐一剖析，帮助读者掌握不同协议在数据传输中的角色和性能差异。在后续章节中，读者将逐步学习如何设计和实现基于Sockets的网络应用程序，包括客户端-服务器架构的实践路线图。书中还提供了丰富的练习题，以巩固理论知识并培养实际操作技能。此外，作者还关注了64位架构的兼容性和Unix标准，确保读者能理解和适应不断发展的技术环境。为了方便读者，书中还包含了源代码的获取途径和错误报告的方式，体现了作者对读者学习的支持。《UNIX网络编程卷1》不仅是一本技术深度全面的教材，也是一本实用的参考书籍，对于任何希望在Unix系统上进行网络编程的开发者来说，无论是初学者还是经验丰富的专业人士，都是一份不可或缺的宝典。通过阅读这本书，读者将建立起坚实的网络编程基础，并且能够在实际项目中灵活运用所学知识。"

Addison Wesley : UNIX Network Programming Volume 1, Third Edition: The Sockets Networking API

Section 4.7. fork and exec Functions

Section 4.8. Concurrent Servers

Section 4.9. close Function

Section 4.10. getsockname and getpeername Functions

Section 4.11. Summary

Exercises

Chapter 5. TCP Client/Server Example

Section 5.1. Introduction

Section 5.2. TCP Echo Server: main Function

Section 5.3. TCP Echo Server: str_echo Function

Section 5.4. TCP Echo Client: main Function

Section 5.5. TCP Echo Client: str_cli Function

Section 5.6. Normal Startup

Section 5.7. Normal Termination

Section 5.8. POSIX Signal Handling

Section 5.9. Handling SIGCHLD Signals

Section 5.10. wait and waitpid Functions

Section 5.11. Connection Abort before accept Returns

Section 5.12. Termination of Server Process

Section 5.13. SIGPIPE Signal

Section 5.14. Crashing of Server Host

Section 5.15. Crashing and Rebooting of Server Host

Section 5.16. Shutdown of Server Host

Section 5.17. Summary of TCP Example

Section 5.18. Data Format

Section 5.19. Summary

Exercises

Chapter 6. I/O Multiplexing: The select and poll Functions

Section 6.1. Introduction

Section 6.2. I/O Models

Section 6.3. select Function

Section 6.4. str_cli Function (Revisited)

Section 6.5. Batch Input and Buffering

Section 6.6. shutdown Function

Section 6.7. str_cli Function (Revisited Again)

Section 6.8. TCP Echo Server (Revisited)

Section 6.9. pselect Function

Section 6.10. poll Function

Section 6.11. TCP Echo Server (Revisited Again)

Section 6.12. Summary

Exercises

Chapter 7. Socket Options

Section 7.1. Introduction

Section 7.2. getsockopt and setsockopt Functions

Addison Wesley : UNIX Network Programming Volume 1, Third Edition: The Sockets Networking API

Section 7.3. Checking if an Option Is Supported and Obtaining the Default

Section 7.4. Socket States

Section 7.5. Generic Socket Options

Section 7.6. IPv4 Socket Options

Section 7.7. ICMPv6 Socket Option

Section 7.8. IPv6 Socket Options

Section 7.9. TCP Socket Options

Section 7.10. SCTP Socket Options

Section 7.11. fcntl Function

Section 7.12. Summary

Exercises

Chapter 8. Elementary UDP Sockets

Section 8.1. Introduction

Section 8.2. recvfrom and sendto Functions

Section 8.3. UDP Echo Server: main Function

Section 8.4. UDP Echo Server: dg_echo Function

Section 8.5. UDP Echo Client: main Function

Section 8.6. UDP Echo Client: dg_cli Function

Section 8.7. Lost Datagrams

Section 8.8. Verifying Received Response

Section 8.9. Server Not Running

Section 8.10. Summary of UDP Example

Section 8.11. connect Function with UDP

Section 8.12. dg_cli Function (Revisited)

Section 8.13. Lack of Flow Control with UDP

Section 8.14. Determining Outgoing Interface with UDP

Section 8.15. TCP and UDP Echo Server Using select

Section 8.16. Summary

Exercises

Chapter 9. Elementary SCTP Sockets

Section 9.1. Introduction

Section 9.2. Interface Models

Section 9.3. sctp_bindx Function

Section 9.4. sctp_connectx Function

Section 9.5. sctp_getpaddrs Function

Section 9.6. sctp_freepaddrs Function

Section 9.7. sctp_getladdrs Function

Section 9.8. sctp_freeladdrs Function

Section 9.9. sctp_sendmsg Function

Section 9.10. sctp_recvmsg Function

Section 9.11. sctp_opt_info Function

Section 9.12. sctp_peeloff Function

Section 9.13. shutdown Function

Section 9.14. Notifications

Addison Wesley : UNIX Network Programming Volume 1, Third Edition: The Sockets Networking API

Section 9.15. Summary

Exercises

Chapter 10. SCTP Client/Server Example

Section 10.1. Introduction

Section 10.2. SCTP One-to-Many-Style Streaming Echo Server: main Function

Section 10.3. SCTP One-to-Many-Style Streaming Echo Client: main Function

Section 10.4. SCTP Streaming Echo Client: str_cli Function

Section 10.5. Exploring Head-of-Line Blocking

Section 10.6. Controlling the Number of Streams

Section 10.7. Controlling Termination

Section 10.8. Summary

Exercises

Chapter 11. Name and Address Conversions

Section 11.1. Introduction

Section 11.2. Domain Name System (DNS)

Section 11.3. gethostbyname Function

Section 11.4. gethostbyaddr Function

Section 11.5. getservbyname and getservbyport Functions

Section 11.6. getaddrinfo Function

Section 11.7. gai_strerror Function

Section 11.8. freeaddrinfo Function

Section 11.9. getaddrinfo Function: IPv6

Section 11.10. getaddrinfo Function: Examples

Section 11.11. host_serv Function

Section 11.12. tcp_connect Function

Section 11.13. tcp_listen Function

Section 11.14. udp_client Function

Section 11.15. udp_connect Function

Section 11.16. udp_server Function

Section 11.17. getnameinfo Function

Section 11.18. Re-entrant Functions

Section 11.19. gethostbyname_r and gethostbyaddr_r Functions

Section 11.20. Obsolete IPv6 Address Lookup Functions

Section 11.21. Other Networking Information

Section 11.22. Summary

Exercises

Part 3: Advanced Sockets

Chapter 12. IPv4 and IPv6 Interoperability

Section 12.1. Introduction

Section 12.2. IPv4 Client, IPv6 Server

Section 12.3. IPv6 Client, IPv4 Server

Section 12.4. IPv6 Address-Testing Macros

Section 12.5. Source Code Portability

Section 12.6. Summary

Addison Wesley : UNIX Network Programming Volume 1, Third Edition: The Sockets Networking API

Exercises

Chapter 13. Daemon Processes and the inetd Superserver

Section 13.1. Introduction

Section 13.2. syslogd Daemon

Section 13.3. syslog Function

Section 13.4. daemon_init Function

Section 13.5. inetd Daemon

Section 13.6. daemon_inetd Function

Section 13.7. Summary

Exercises

Chapter 14. Advanced I/O Functions

Section 14.1. Introduction

Section 14.2. Socket Timeouts

Section 14.3. recv and send Functions

Section 14.4. readv and writev Functions

Section 14.5. recvmsg and sendmsg Functions

Section 14.6. Ancillary Data

Section 14.7. How Much Data Is Queued?

Section 14.8. Sockets and Standard I/O

Section 14.9. Advanced Polling

Section 14.10. Summary

Exercises

Chapter 15. Unix Domain Protocols

Section 15.1. Introduction

Section 15.2. Unix Domain Socket Address Structure

Section 15.3. socketpair Function

Section 15.4. Socket Functions

Section 15.5. Unix Domain Stream Client/Server

Section 15.6. Unix Domain Datagram Client/Server

Section 15.7. Passing Descriptors

Section 15.8. Receiving Sender Credentials

Section 15.9. Summary

Exercises

Chapter 16. Nonblocking I/O

Section 16.1. Introduction

Section 16.2. Nonblocking Reads and Writes: str_cli Function (Revisited)

Section 16.3. Nonblocking connect

Section 16.4. Nonblocking connect: Daytime Client

Section 16.5. Nonblocking connect: Web Client

Section 16.6. Nonblocking accept

Section 16.7. Summary

Exercises

Chapter 17. ioctl Operations

Section 17.1. Introduction

Addison Wesley : UNIX Network Programming Volume 1, Third Edition: The Sockets Networking API

Section 17.2. ioctl Function

Section 17.3. Socket Operations

Section 17.4. File Operations

Section 17.5. Interface Configuration

Section 17.6. get_ifi_info Function

Section 17.7. Interface Operations

Section 17.8. ARP Cache Operations

Section 17.9. Routing Table Operations

Section 17.10. Summary

Exercises

Chapter 18. Routing Sockets

Section 18.1. Introduction

Section 18.2. Datalink Socket Address Structure

Section 18.3. Reading and Writing

Section 18.4. sysctl Operations

Section 18.5. get_ifi_info Function (Revisited)

Section 18.6. Interface Name and Index Functions

Section 18.7. Summary

Exercises

Chapter 19. Key Management Sockets

Section 19.1. Introduction

Section 19.2. Reading and Writing

Section 19.3. Dumping the Security Association Database (SADB)

Section 19.4. Creating a Static Security Association (SA)

Section 19.5. Dynamically Maintaining SAs

Section 19.6. Summary

Exercises

Chapter 20. Broadcasting

Section 20.1. Introduction

Section 20.2. Broadcast Addresses

Section 20.3. Unicast versus Broadcast

Section 20.4. dg_cli Function Using Broadcasting

Section 20.5. Race Conditions

Section 20.6. Summary

Exercises

Chapter 21. Multicasting

Section 21.1. Introduction

Section 21.2. Multicast Addresses

Section 21.3. Multicasting versus Broadcasting on a LAN

Section 21.4. Multicasting on a WAN

Section 21.5. Source-Specific Multicast

Section 21.6. Multicast Socket Options

Section 21.7. mcast_join and Related Functions

Section 21.8. dg_cli Function Using Multicasting

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