目录 Preface Section 1:Getting Started with Network Programming Chapter 1:Introducing Networks and Protocols Technical requirements The internet and C OSI layer model TCP/IP layer model Data encapsulation Internet Protocol What is an address? Domain names Internet routing Local networks and address translation Subnetting and CIDR Multicast,broadcast,and anycast Port numbers Clients and servers Putting it together Whats your address? Listing network adapters from C Listing network adapters on Windows Listing network adapters on Linux and macOS Summary Questions Chapter 2:Getting to Grips with Socket APIs Technical requirements What are sockets? Socket setup Two types of sockets Socket functions Anatomy of a socket program TCP program flow UDP program flow Berkeley sockets versus Winsock sockets Header files Socket data type Invalid sockets Closing sockets Error handling Our first program A motivating example Making it networked Working with IPv6 Supporting both IPv4 and IPv6 Networking with inetd Summary Questions Chapter 3:An In-Depth Overview of TCP Connections Technical requirements Multiplexing TCP connections Polling non-blocking sockets Forking and multithreading The select()function Synchronous multiplexing with select() select()timeout lterating through an fd_set select()on non-sockets A TCP client TCP client code A TCP server TCP server code Building a chat room Blocking on send() TCP is a stream protocol Summary Questions Chapter 4:Establishing UDP Connections Technical requirements How UDP sockets differ UDP client methods UDP server methods A first UDP client/server A simple UDP server A simple UDP client A UDP server Summary Questions Section 2: An Overview of Application Layer Protocols Section 3: Understanding Encrypted Protocols and OpenSSL Section 4: Odds and Ends
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