1 Introduction
1.1 Networks,Packets,andProtocols
1.2 AboutAddresses
1.2.1 Writing DownIPAddresses
1.2.2 Dealing withTwoVersions
1.2.3 PortNumbers
1.2.4 SpecialAddresses
1.3 AboutNames
1.4 ClientsandServers
1.5 WhatIsaSocket?

2 Basic TCP Sockets
2.1 IPv4TCPClient
2.1.1 TCPServer
2.2 Creating andDestroying Sockets
2.3 Specifying Addresses
2.3.1 GenericAddresses
2.3.2 IPv4Addresses
2.3.3 IPv6Addresses
2.3.4 GenericAddressStorage
2.3.5 Binary/String AddressConversion
2.3.6 Getting aSocket’sAssociatedAddresses
2.4 Connecting aSocket
2.5 Binding toanAddress
2.6 Handling Incoming Connections
2.7 Communication
2.8 Using IPv6

3 Of Names and Address Families
3.1 Mapping NamestoNumbers
3.1.1 Accessing theNameService
3.1.2 Details,Details
3.2 Writing Address-GenericCode
3.2.1 GenericTCPClient
3.2.2 GenericTCPServer
3.2.3 IPv4-IPv6Interoperation
3.3 Getting NamesfromNumbers

4 Using UDP Sockets
4.1 UDPClient
4.2 UDPServer
4.3 Sending andReceiving withUDPSockets
4.4 Connecting aUDPSocket

5 Sending and Receiving Data
5.1 Encoding Integers
5.1.1 SizesofIntegers
5.1.2 ByteOrdering
5.1.3 SignednessandSignExtension
5.1.4 Encoding Integersby Hand
5.1.5 Wrapping TCPSocketsinStreams
5.1.6 Structure Overlays: Alignment and Padding
5.1.7 StringsandText
5.1.8 Bit-Diddling:Encoding Booleans
5.2 Constructing,Framing andParsing Messages
5.2.1 Framing
5.2.2 Text-BasedMessageEncoding
5.2.3 Binary MessageEncoding
5.2.4 Putting ItAllTogether
5.3 Wrapping Up

6 Beyond the Basic Socket Programming
6.1 SocketOptions
6.2 Signals
6.3 Nonblocking I/O
6.3.1 Nonblocking Sockets
6.3.2 AsynchronousI/O
6.3.3 Timeouts
6.4 Multitasking
6.4.1 Per-ClientProcesses
6.4.2 Per-ClientThread
6.4.3 ConstrainedMultitasking
6.5 Multiplexing
6.6 MultipleRecipients
6.6.1 Broadcast
6.6.2 Multicast
6.6.3 Broadcastvs. Multicast

7 Under the Hood
7.1 Buffering andTCP
7.2 DeadlockDanger
7.3 PerformanceImplications
7.4 TCPSocketLifeCycle
7.4.1 Connecting
7.4.2 Closing aTCPConnection
7.5 Demultiplexing Demystified

8 Socket Programming in C++
8.1 PracticalSocketLibrary Overview
8.2 PlusOneService
8.2.1 PlusOneServer
8.2.2 PlusOneClient
8.2.3 Running ServerandClient
8.3 Survey Service
8.3.1 Survey SupportFunctions
8.3.2 Survey Server
8.3.3 Survey Client
8.3.4 Running ServerandClient
8.4 Survey Service,Mark2
8.4.1 SocketAddressSupport
8.4.2 SocketiostreamInterface
8.4.3 EnhancedSurvey Server
8.4.4 EnhancedSurvey Client
8.4.5 AdministrativeClient
8.4.6 Running ServerandClients