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

Implementing a synchronous iterative TCP server

A synchronous iterative TCP server is a part of a distributed application that satisfies the following criteria:

  • Acts as a server in the client-server communication model

  • Communicates with client applications over TCP protocol

  • Uses I/O and control operations that block the thread of execution until the corresponding operation completes, or an error occurs

  • Handles clients in a serial, one-by-one fashion

A typical synchronous iterative TCP server works according to the following algorithm:

  1. Allocate an acceptor socket and bind it to a particular TCP port.

  2. Run a loop until the server is stopped:

    1. Wait for the connection request from a client.

    2. Accept the client's connection request when one arrives.

    3. Wait for the request message from the client.

    4. Read the request message.

    5. Process the request.

    6. Send the response message to the client.

    7. Close the connection with the client and deallocate the socket.

This recipe demonstrates how to implement a synchronous iterative TCP...

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