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- Herausgeber: Packt Publishing
- Kategorie: Fachliteratur
- Sprache: Englisch
Socket.IO is a JavaScript library that provides you with the ability to implement real-time analytics, binary streaming, instant messaging, and document collaboration. It has two parts: a client-side library that runs in the browser, and a server-side library for node.js. Socket.IO is event-driven and primarily uses the WebSocket protocol that allows us to emit data bi-directionally from the server and the client. Socket.IO
This book is a complete resource, covering topics from webSocket security to scaling the server-side of a Socket.IO application and everything in between.
This book will provide real-world examples of how secure bi-directional, full-duplex connections that can be created using Socket.IO for different environments. It will also explain how the connection vulnerabilities can be resolved for large numbers of users and huge amounts of data/messages.
By the end of the book, you will be a competent Socket.IO developer. With the help of the examples and real-world solutions,you will learn to create fast, scalable, and dynamic real-time apps by creating efficient messaging systems between the server side and the client side using Socket.IO.
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Seitenzahl: 151
Veröffentlichungsjahr: 2015
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Table of Contents
Socket.IO Cookbook
Socket.IO Cookbook
Copyright © 2015 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: October 2015
Production reference: 1081015
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78588-086-5
www.packtpub.com
Credits
Author
Tyson Cadenhead
Reviewers
Gonzalo Ayuso
George Brassey
Commissioning Editor
Amarabha Banerjee
Acquisition Editor
Reshma Raman
Content Development Editor
Mayur Pawanikar
Technical Editor
Siddhesh Ghadi
Copy Editor
Relin Hedly
Project Coordinator
Kranti Berde
Proofreader
Safis Editing
Indexer
Mariammal Chettiyar
Graphics
Disha Haria
Production Coordinator
Conidon Miranda
Cover Work
Conidon Miranda
About the Author
Tyson Cadenhead works as a senior JavaScript engineer at Aloompa in Nashville, Tennessee. He has dedicated his professional career to building large-scale applications in JavaScript and Node. Tyson addresses audiences at various conferences and programming meetups on how to build real-time web applications with Socket.IO or Meteor.js. He blogs on topics such as JavaScript and web technologies at http://www.tysoncadenhead.com.
Tyson lives in the greater Nashville area with his wife and two sons, where he enjoys gardening, raising chickens, reading philosophy and economics books, and playing guitar.
About the Reviewers
Gonzalo Ayuso is a web architect and specializes in open source technologies. He has more than 15 years of experience in web development. Gonzalo holds extensive experience in delivering scalable, secure, and high-performance web solutions to large-scale enterprise clients.
He has a varied background, especially in providing backend code. Gonzalo mainly focuses on Internet technologies, databases, mobile development, and programming languages, especially PHP, Python, and JavaScript. He blogs at http://gonzalo123.com. Gonzalo also likes to speak at technology conferences and organize coding dojos. You can also follow him on Twitter at @gonzalo123.
George Brassey is a developer from London. He loves art, music, and technology. George earned a degree in cinema studies from the New York University and worked in the film industry before switching to software development. He enjoys projects where technology intersects with the arts. George currently works with an expert team at Paddle8, building the future of online art auctions.
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Preface
Socket.IO is an excellent library for real-time messaging between the client side and the server side. Whether you want to create a chat room in your browser, reload your hybrid mobile application, or push fresh data to an internal dashboard, this book will show you how to do it.
What this book covers
Chapter 1, Wiring It Up, provides a quick introduction to Socket.IO. It tells you how to get up and running with a Node server. This chapter concludes with debugging tips for the server and the client.
Chapter 2, Creating Real-Time Dashboards, talks about how to stream data from the server to the client. It covers how to emit MongoDB data and how to handle Socket.IO connection timeouts.
Chapter 3, Having Two-Way Conversations, provides several recipes on how to build a two-way communication. From the quintessential chat room example to a fun recipe on how to create a real-time tic-tac-toe game, it includes several other topics.
Chapter 4, Building a Room with a View, explores views and namespaces and how they can be used to target your events to specific consumers.
Chapter 5, Securing Your Data, takes a look at how to secure the Socket.IO communication with various forms of authentication, including how to lock down the HTTP referrer and how to use secure web sockets.
Chapter 6, Performing a Load Balancing Act, covers various techniques for load-balancing Socket.IO, focusing on technologies such as Redis, Memcached, and RabbitMQ.
Chapter 7, Streaming Binary Data, explores topics ranging from emitting images as data to streaming video and audio.
Chapter 8, Integrating With Mobile Applications, talks about various techniques for using Socket.IO in mobile applications. It also provides a recipe for how to trigger hot deploys from Socket.IO.
What you need for this book
This book was written using a Macbook Air running Node. However, Node and Socket.IO can be run on a Windows or Linux machine as well.
All the software used in this book is free and open source. You will definitely need to be running Node for most of the recipes. There are also some sections that cover MongoDB, Redis, Memcached, and RabbitMQ.
Who this book is for
If you have some knowledge of JavaScript and Node.js and want to create awe-inspiring application experiences with real-time communication, then this book is for you. Developers with knowledge of other languages should also be able to easily follow along.
Sections
In this book, you will find several headings that appear frequently (Getting ready, How to do it..., How it works..., There's more..., and See also).
To give clear instructions on how to complete a recipe, we use these sections as follows:
Getting ready
This section tells you what to expect in the recipe and describes how to set up any software or any preliminary settings required for the recipe.
How to do it…
This section contains the steps required to follow the recipe.
How it works…
This section usually consists of a detailed explanation of what happened in the previous section.
There's more…
This section consists of additional information about the recipe in order to make the reader more knowledgeable about the recipe.
See also
This section provides helpful links to other useful information for the recipe.
Reader feedback
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To send us general feedback, simply e-mail <[email protected]>, and mention the book's title in the subject of your message.
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Downloading the color images of this book
We also provide you with a PDF file that has color images of the screenshots/diagrams used in this book. The color images will help you better understand the changes in the output. You can download this file from: https://www.packtpub.com/sites/default/files/downloads/0865OS_ColorImages.pdf.
Errata
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Questions
If you have a problem with any aspect of this book, you can contact us at <[email protected]>, and we will do our best to address the problem.
