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Hands-On Network Programming with C

Hands-On Network Programming with C: Learn socket programming in C and write secure and optimized network code

Lewis Van Winkle

$25.99 ~~$37.99~~

4.5 (30 Ratings)

eBook May 2019 478 pages 1st Edition

$25.99 ~~$37.99~~

Renews at $19.99p/m

Lewis Van Winkle

$25.99 ~~$37.99~~

4.5 (30 Ratings)

eBook May 2019 478 pages 1st Edition

$25.99 ~~$37.99~~

Renews at $19.99p/m

$25.99 ~~$37.99~~

Renews at $19.99p/m

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Key benefits

Apply your C and C++ programming skills to build powerful network applications
Get to grips with a variety of network protocols that allow you to load web pages, send emails, and do much more
Write portable network code for Windows, Linux, and macOS

Description

Network programming enables processes to communicate with each other over a computer network, but it is a complex task that requires programming with multiple libraries and protocols. With its support for third-party libraries and structured documentation, C is an ideal language to write network programs. Complete with step-by-step explanations of essential concepts and practical examples, this C network programming book begins with the fundamentals of Internet Protocol, TCP, and UDP. You’ll explore client-server and peer-to-peer models for information sharing and connectivity with remote computers. The book will also cover HTTP and HTTPS for communicating between your browser and website, and delve into hostname resolution with DNS, which is crucial to the functioning of the modern web. As you advance, you’ll gain insights into asynchronous socket programming and streams, and explore debugging and error handling. Finally, you’ll study network monitoring and implement security best practices. By the end of this book, you’ll have experience of working with client-server applications and be able to implement new network programs in C. The code in this book is compatible with the older C99 version as well as the latest C18 and C++17 standards. You’ll work with robust, reliable, and secure code that is portable across operating systems, including Winsock sockets for Windows and POSIX sockets for Linux and macOS.

Who is this book for?

If you're a developer or a system administrator who wants to get started with network programming, this book is for you. Basic knowledge of C programming is assumed.

What you will learn

Uncover cross-platform socket programming APIs
Implement techniques for supporting IPv4 and IPv6
Understand how TCP and UDP connections work over IP
Discover how hostname resolution and DNS work
Interface with web APIs using HTTP and HTTPS
Explore Simple Mail Transfer Protocol (SMTP) for electronic mail transmission
Apply network programming to the Internet of Things (IoT)

What do you get with eBook?

Instant access to your Digital eBook purchase

Download this book in EPUB and PDF formats

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

AI Assistant (beta) to help accelerate your learning

OR

Product Details

Publication date : May 13, 2019

Length: 478 pages

Edition : 1st

Language : English

ISBN-13 : 9781789344080

Category :

Cloud & Networking

Languages :

C

Concepts :

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Hands-On Network Programming with C

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Table of Contents

24 Chapters

Section 1 - Getting Started with Network Programming

Section 1 - Getting Started with Network Programming

Introducing Networks and Protocols

Introducing Networks and Protocols

Technical requirements

The internet and C

OSI layer model

TCP/IP layer model

Data encapsulation

Internet Protocol

Internet routing

Clients and servers

Putting it together

What's your address?

Listing network adapters from C

Getting to Grips with Socket APIs

Getting to Grips with Socket APIs

Technical requirements

What are sockets?

Two types of sockets

Socket functions

Anatomy of a socket program

Berkeley sockets versus Winsock sockets

Our first program

An In-Depth Overview of TCP Connections

An In-Depth Overview of TCP Connections

Technical requirements

Multiplexing TCP connections

Synchronous multiplexing with select()

Blocking on send()

TCP is a stream protocol

Establishing UDP Connections

Establishing UDP Connections

Technical requirements

How UDP sockets differ

A first UDP client/server

Hostname Resolution and DNS

Hostname Resolution and DNS

Technical requirements

How hostname resolution works

Name/address translation functions

The DNS protocol

A DNS query program

Further reading

Section 2 - An Overview of Application Layer Protocols

Section 2 - An Overview of Application Layer Protocols

Building a Simple Web Client

Building a Simple Web Client

Technical requirements

The HTTP protocol

What's in a URL

Implementing a web client

HTTP POST requests

Further reading

Building a Simple Web Server

Building a Simple Web Server

Technical requirements

The HTTP server

Creating the server socket

Multiple connections buffering

Security and robustness

Further reading

Making Your Program Send Email

Making Your Program Send Email

Technical requirements

The format of an email

A simple SMTP client program

Enhanced emails

Spam-blocking pitfalls

Further reading

Section 3 - Understanding Encrypted Protocols and OpenSSL

Section 3 - Understanding Encrypted Protocols and OpenSSL

Loading Secure Web Pages with HTTPS and OpenSSL

Loading Secure Web Pages with HTTPS and OpenSSL

Technical requirements

Encryption basics

The TLS protocol

A simple HTTPS client

Further reading

Implementing a Secure Web Server

Implementing a Secure Web Server

Technical requirements

HTTPS and OpenSSL summary

HTTPS server with OpenSSL

HTTPS server challenges

Further reading

Establishing SSH Connections with libssh

Establishing SSH Connections with libssh

Technical requirements

The SSH protocol

SSH authentication

Executing a remote command

Downloading a file

Further reading

Section 4 - Odds and Ends

Section 4 - Odds and Ends

Network Monitoring and Security

Network Monitoring and Security

Technical requirements

The purpose of network monitoring

Testing reachability

Checking local connections

Snooping on connections

Network security

Network-testing etiquette

Further reading

Socket Programming Tips and Pitfalls

Socket Programming Tips and Pitfalls

Technical requirements

TCP socket tips

Socket's local address

Multiplexing with a large number of sockets

Web Programming for the Internet of Things

Web Programming for the Internet of Things

Technical requirements

What is the IoT?

Connectivity options

Hardware choices

External transceivers and modems

Firmware updates

Answers to Questions

Answers to Questions

Chapter 1, Introducing Networks and Protocols

Chapter 2, Getting to Grips with Socket APIs

Chapter 3, An In-Depth Overview of TCP Connections

Chapter 4, Establishing UDP Connections

Chapter 5, Hostname Resolution and DNS

Chapter 6, Building a Simple Web Client

Chapter 7, Building a Simple Web Server

Chapter 8, Making Your Program Send Email

Chapter 9, Loading Secure Web Pages with HTTPS and OpenSSL

Chapter 10, Implementing a Secure Web Server

Chapter 11, Establishing SSH Connections with libssh

Chapter 12, Network Monitoring and Security

Chapter 13, Socket Programming Tips and Pitfalls

Chapter 14, Web Programming for the Internet of Things

Setting Up Your C Compiler on Windows

Setting Up Your C Compiler on Windows

Installing MinGW GCC

Installing OpenSSL

Installing libssh

Setting Up Your C Compiler on Linux

Setting Up Your C Compiler on Linux

Installing OpenSSL

Installing libssh

Setting Up Your C Compiler on macOS

Setting Up Your C Compiler on macOS

Installing Homebrew and the C compiler

Installing OpenSSL

Installing libssh

Example Programs

Example Programs

Code included with this book

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About the author

Lewis Van Winkle

Lewis Van Winkle

Lewis Van Winkle is a software programming consultant, entrepreneur, and founder of a successful IoT company. He has over 20 years of programming experience after publishing his first successful software product at age 12. He has over 15 years of programming experience with the C programming language on a variety of operating systems and platforms. He is active in the open-source community and has published several popular open-source programs and librariesmany of them in C. Today, Lewis spends much of his time consulting, where he loves taking on difficult projects that other programmers have given up on. He specializes in network systems, financial systems, machine learning, and interoperation between different programming languages.

See other products by Lewis Van Winkle

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