Socket.IO Real-time Web Application Development by Rohit Rai

By Rohit Rai

Build sleek real-time net functions powered by means of Socket.IO


  • Understand using a variety of positive factors like rooms, namespaces, and sessions.
  • Secure the communication.
  • Deploy and scale your and Node.js purposes in production.
  • A sensible consultant that fast will get you up and operating with

In Detail

The expectancies of clients for interactivity withweb purposes have replaced during the last few years. not more does the person are looking to press the refresh button to envision if new messages have arrived of their inbox; humans anticipate to determine updates of their functions in real-time. Mass multiplayer on-line video games have given up the requirement of plugins and are equipped fullyyt in JavaScript. permits you to construct those hugely interactive functions that paintings cross-browser.

" Real-time net software improvement" is a advisor to development, deploying, and scaling hugely interactive real-time internet purposes utilizing This e-book will consultant you thru the construction of a talk process utilizing Node.js and, assisting you get acquainted with numerous gains of the framework. Going additional it is going to empower you to installation and scale your purposes in production.

Introducing net program improvement with Node.js, this booklet walks you thru constructing of a full-fledged chat process equipped with and introducing the entire options of and its utilization within the process.

It introduces you to different methods of bidirectional communique among the browser and the internet server and may convey you the way abstracts all this so that you can supply a unmarried unified and uniform API for messaging and eventing to improve cross-browser functions. It explains find out how to authenticate your clients, segregate the conversation to channels, construct chat rooms, and deal with and scale classes. It explains the mechanics in the back of and it additionally introduces you to what's eager about deploying the appliance to construction and the intricacies all in favour of scaling it

This booklet will introduce you to all that's wanted in browser-server conversation to increase the subsequent new release of interactive purposes and video games.

What you'll examine from this book

  • Establish a bidirectional connection within the browser to the internet server.
  • Develop a talk process utilizing Node.js and
  • Various equipment of pushing info from the server to the browser.
  • Get conversant in API for cross-browser bidirectional communique.
  • Understand the protocol and its mechanics behind the curtain.
  • Get to understand messaging, occasions, classes, authorization, namespaces, and rooms.
  • Cluster and distribute the classes utilizing redis consultation shop.


Written in an interesting, easy-to-follow sort, " Real-time internet software improvement" is a realistic advisor for constructing real-time internet purposes with Node.js and

Who this e-book is written for

This booklet is geared toward builders who are looking to begin constructing hugely interactive and real-time internet purposes like chat platforms or on-line multiplayer video games, or are looking to introduce real-time updates or server push mechanisms of their present functions. wisdom of constructing in JavaScript and internet purposes typically is predicted. although there's a bankruptcy on introducing Node.js, earlier wisdom of Node.js could be a plus..

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Additional resources for Socket.IO Real-time Web Application Development

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Js and Express web frameworks. js or Express. js web development. info Let's Chat Beginning with Yahoo! Chat in the early 2000 and up to today's popular Google Talk or Facebook Chat, chatting has been the most popular form of real-time communication on the Internet. io library that we will learn in this chapter. Creating the application Similar to the way we created our application in the previous chapter, we will create a new awesome-chat application by executing the following commands in the command line: $ express awesome-chat $ cd awesome-chat $ npm install This will create our application and install the express application dependencies.

Let us create a new handler to echo the incoming data on POST. end(); }); }); Here we are adding a new handler for the POST request on the /echo path. js, this time in handling the data that comes in with POST. Since request is an event emitter, we attach an event handler to it for each task: for handling chunks of incoming data and for completing the request processing once all the data is received. toString(); }); In the previous piece of code, we add a listener on the request to handle chunks of incoming data.

Com. com/support and register to have the files e-mailed directly to you. js The way createServer works is similar to any event handler in JavaScript. The event in this case is receiving a request to serve. As we can see, requestListener takes two arguments, request and response. ServerRequest, and will have all the information about the request, such as URL, method, headers, and data. The response object is an instance of ServerResponse, which implements a WritableStream. It exposes various methods to write the response to the client; the ones we are most interested in, for now, are writeHead, write and end.

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