By Rohit Rai
Build glossy real-time net purposes powered via Socket.IO
- Understand the use of quite a few socket.io beneficial properties like rooms, namespaces, and sessions.
- Secure the socket.io communication.
- Deploy and scale your socket.io and Node.js functions in production.
- A useful consultant that fast will get you up and working with socket.io
"Socket.io Real-time net software improvement" is a consultant to construction, deploying, and scaling hugely interactive real-time net purposes utilizing socket.io. This ebook will consultant you thru the development of a talk procedure utilizing Node.js and socket.io, assisting you get acquainted with a variety of positive aspects of the framework. Going extra it is going to empower you to install and scale your purposes in production.
Introducing internet software improvement with Node.js, this booklet walks you thru constructing of a full-fledged chat approach equipped with socket.io and introducing the entire techniques of socket.io and its utilization within the process.
It introduces you to different techniques of bidirectional conversation among the browser and the internet server and should exhibit you ways socket.io abstracts all this so that you can supply a unmarried unified and uniform API for messaging and eventing to advance cross-browser purposes. It explains how one can authenticate your clients, segregate the verbal exchange to channels, construct chat rooms, and deal with and scale periods. It explains the mechanics in the back of socket.io and it additionally introduces you to what's fascinated with deploying the applying to construction and the intricacies interested by scaling it
This booklet will introduce you to all that's wanted in browser-server conversation to improve the following new release of interactive functions and video games.
What you'll examine from this book
- Establish a bidirectional connection within the browser to the internet server.
- Develop a talk method utilizing Node.js and socket.io.
- Various tools of pushing details from the server to the browser.
- Get accustomed to socket.io API for cross-browser bidirectional conversation.
- Understand the socket.io protocol and its mechanics backstage.
- Get to grasp Socket.io messaging, occasions, periods, authorization, namespaces, and rooms.
- Cluster and distribute the socket.io classes utilizing redis consultation shop.
Written in an enticing, easy-to-follow kind, "Socket.io Real-time net program improvement" is a realistic advisor for constructing real-time internet functions with Node.js and socket.io.
Who this ebook is written for
Read Online or Download Socket.IO Real-time Web Application Development PDF
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Extra info for Socket.IO Real-time Web Application Development
Join(root, file); We append the file path to our root path to build the absolute path of the file to serve. js application root; this will prevent a file outside the application from being served by mistake. js handles I/O as streams. We can see that this is similar to the way it handles the incoming POST data. createReadStream(fileToServe); We use createReadStream from the fs module to create a stream that reads from the file. js. write(chunk); }); The stream works as an event emitter, triggering the 'data' event when there is new data on the stream.
Note that we are using the header and footer tags from HTML5. This code also introduces us to a new jade syntax. When we write header#banner, it will generate headers with banner as the id value. jade to add the message area, message input, and the Send button: extends layout block content section#chatroom div#messages input#message(type='text', placeholder='Enter your message here') input#send(type='button', value='Send') Let's run and see what our awesome-chat application looks like. Execute the application using npm and open http://localhost:3000/ in the browser: npm start Hey, all the elements are there, but it doesn't look right!
Let us move the server and router to their own modules. "); }; Most of the logical aspects of the code remain the same, but we have made some very subtle structural changes. The first one is that we have taken the routes out of the route object. Any variables declared in the file are available within the module and are not accessible from outside the module. method + pathname](request, response); } As the route object is gone, we can now directly access the routes within the module and not through the route object.