UNIX网络编程卷1：Sockets网络API详解

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"UNIX网络编程卷1，主要涵盖了网络编程的基础，包括TCP/IP协议栈、传输层的TCP、UDP和SCTP协议等核心内容。本书适用于学习UNIX系统下的网络编程人员，提供了源代码和错误反馈的获取方式，并包含了对UNIX标准、64位架构的讨论。" 在《UNIX网络编程卷1》中，作者详细介绍了UNIX系统中的网络编程原理与实践，特别是围绕Sockets Networking API展开。这本书是网络程序员和系统工程师的重要参考资料，适合那些希望深入理解网络通信机制的读者。第一章介绍了网络编程的基本概念，通过一个简单的Daytime客户端和服务器示例来引导读者进入这一领域。它强调了协议独立性，指出如何使用wrapper函数进行错误处理。此外，书中还概述了后续章节中将涉及的客户端/服务器示例的结构，并简要讨论了OSI模型、BSD网络历史、测试网络和主机以及UNIX标准。随着技术的发展，书中也提到了64位架构的重要性。第二章聚焦于运输层，这是网络协议栈的关键部分。作者详细讲解了User Datagram Protocol (UDP)、Transmission Control Protocol (TCP)以及Stream Control Transmission Protocol (SCTP)。UDP是一种无连接的服务，适合实时应用，而TCP则提供了面向连接、可靠的数据传输服务，广泛应用于各种网络应用。SCTP是一种结合了TCP和UDP特点的协议，提供了更高级别的可靠性。这些章节深入剖析了这些协议的工作原理，包括连接建立、数据传输和断开连接的过程。除了核心的网络协议，本书还涵盖了如何在UNIX环境中使用这些工具和接口，如套接字API的使用方法，这对于实际编写网络应用程序至关重要。书中提供的源代码实例可以帮助读者更好地理解和应用所学知识。同时，作者提供了错误反馈的渠道，以便读者在遇到问题时能够得到及时的帮助。《UNIX网络编程卷1》是一部深入浅出的教程，对于想要掌握UNIX系统下网络编程的人来说，是不可或缺的参考书。通过阅读和实践，读者可以掌握创建高效、可靠的网络应用程序所需的技能和知识。

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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