Book Image

Boost.Asio C++ Network Programming Cookbook

By : Dmytro Radchuk
Book Image

Boost.Asio C++ Network Programming Cookbook

By: Dmytro Radchuk

Overview of this book

Starting with recipes demonstrating the execution of basic Boost.Asio operations, the book goes on to provide ready-to-use implementations of client and server applications from simple synchronous ones to powerful multithreaded scalable solutions. Finally, you are presented with advanced topics such as implementing a chat application, implementing an HTTP client, and adding SSL support. All the samples presented in the book are ready to be used in real projects just out of the box. As well as excellent practical examples, the book also includes extended supportive theoretical material on distributed application design and construction.

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Boost.Asio C++ Network Programming Cookbook
Dmytro Radchuk
Jan, 2016 | 248 pages
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Table of Contents (13 chapters)
Boost.Asio C++ Network Programming Cookbook
Boost.Asio C++ Network Programming Cookbook
Credits
Credits
About the Author
About the Author
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
The Basics
The Basics
Introduction
Creating an endpoint
Creating an active socket
Creating a passive socket
Resolving a DNS name
Binding a socket to an endpoint
Connecting a socket
Accepting connections
2
I/O Operations
I/O Operations
Introduction
Using fixed length I/O buffers
Using extensible stream-oriented I/O buffers
Writing to a TCP socket synchronously
Reading from a TCP socket synchronously
Writing to a TCP socket asynchronously
Reading from a TCP socket asynchronously
Canceling asynchronous operations
Shutting down and closing a socket
3
Implementing Client Applications
Implementing Client Applications
Introduction
Implementing a synchronous TCP client
Implementing a synchronous UDP client
Implementing an asynchronous TCP client
4
Implementing Server Applications
Implementing Server Applications
Introduction
Implementing a synchronous iterative TCP server
Implementing a synchronous parallel TCP server
Implementing an asynchronous TCP server
5
HTTP and SSL/TLS
HTTP and SSL/TLS
Introduction
Implementing the HTTP client application
Implementing the HTTP server application
Adding SSL/TLS support to client applications
Adding SSL/TLS support to server applications
6
Other Topics
Other Topics
Introduction
Using composite buffers for scatter/gather operations
Using timers
Getting and setting socket options
Performing a stream-based I/O
Index
Index

Introduction

This chapter covers two major topics. The first one is HTTP protocol implementation. The second is the usage of SSL/TLS protocol. Let's briefly examine each of them.

The HTTP protocol is an application layer protocol operating on the top of TCP protocol. It is widely used on the Internet, allowing client applications to request particular resources from the servers, and servers to transmit the requested resources back to the clients. Besides, HTTP allows clients to upload data and send commands to the server.

The HTTP protocol assumes several models or methods of communication, each designed for a specific purpose. The simplest method called GET assumes the following flow of events:

  1. The HTTP client application (for example, a web browser) generates a request message containing information about a particular resource (residing on the server) to be requested and sends it to the HTTP server application (for example, a web server) using TCP as a transport level protocol.

  2. The HTTP server...

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