Going Real Time | Node Cookbook: Second Edition

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Node Cookbook: Second Edition

By : David Mark Clements

4.3 (7)

Node Cookbook: Second Edition

4.3 (7)

By: David Mark Clements

Overview of this book

In Node Cookbook Second Edition, each chapter focuses on a different aspect of working with Node. Following a Cookbook structure, the recipes are written in an easy-to-understand language. Readers will find it easier to grasp even the complex recipes which are backed by lots of illustrations, tips, and hints. If you have some knowledge of JavaScript and want to build fast, efficient, scalable client-server solutions, then Node Cookbook Second Edition is for you. Knowledge of Node will be an advantage but is not required. Experienced users of Node will be able to improve their skills.

Node Cookbook Second Edition

Node Cookbook Second Edition

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Making a Web Server

Making a Web Server

Introduction

Setting up a router

Serving static files

Caching content in memory for immediate delivery

Optimizing performance with streaming

Securing against filesystem hacking exploits

Exploring the HTTP Object

Exploring the HTTP Object

Introduction

Processing POST data

Handling file uploads

Using Node as an HTTP client

Implementing download throttling

Working with Data Serialization

Working with Data Serialization

Introduction

Converting an object to JSON and back

Converting an object to XML and back

Browser-server transmission via AJAX

Working with real data – fetching trending tweets

Interfacing with Databases

Interfacing with Databases

Introduction

Writing to a CSV file

Connecting and sending SQL to a MySQL server

Storing and retrieving data with MongoDB

Storing data to CouchDB with Cradle

Retrieving data from CouchDB with Cradle

Accessing the CouchDB changes stream with Cradle

Storing and retrieving data with Redis

Implementing PubSub with Redis

Employing Streams

Employing Streams

Introduction

Consuming streams

Playing with pipes

Making stream interfaces

Streaming across Node processes

Going Real Time

Going Real Time

Introduction

Creating a WebSocket server

Cross-browser real-time logic with Socket.IO

Remote Procedure Calls with Socket.IO

Creating a real-time widget

Accelerating Development with Express

Accelerating Development with Express

Introduction

Generating Express scaffolding

Managing server tier environments

Implementing dynamic routing

Templating in Express

CSS preprocessors with Express

Initializing and using a session

Making an Express web app

Implementing Security, Encryption, and Authentication

Implementing Security, Encryption, and Authentication

Introduction

Implementing Basic Authentication

Hashing passwords

Implementing Digest Authentication

Setting up an HTTPS web server

Preventing cross-site request forgery

Integrating Network Paradigms

Integrating Network Paradigms

Introduction

Sending an e-mail

Sending an SMS

Communicating with TCP

Creating an SMTP server

Implementing a virtual hosting paradigm

Writing Your Own Node Modules

Writing Your Own Node Modules

Introduction

Creating a test-driven module specification

Writing a functional module mock-up

Refactoring with prototypical inheritance

Extending a module's API

Deploying a module to npm

Taking It Live

Taking It Live

Introduction

Deploying an app to a server environment

Automatic crash recovery

Continuous deployment

Hosting with a Platform as a Service provider

Index

Index

Introduction

HTTP was not made for the kind of real-time web applications that many developers are creating today. As a result, all sorts of workarounds have been discovered to mimic the idea of bi-directional, uninterrupted communication between servers and clients.

WebSockets don't mimic this behavior; they provide it. WebSockets work by stripping down an HTTP connection so it becomes a persistent TCP-like exchange, thus removing all the overhead and restrictions that HTTP introduces.

The HTTP connection is stripped (or rather upgraded) when both the browser and server support WebSockets. The browser discovers this by communicating with the server via GET headers, and only newer browsers (IE10+, Google Chrome 14, Safari 5, and Firefox 6) support WebSockets.

WebSockets is a new protocol. JavaScript combined with the Node platform is often versatile and low-level enough to implement protocols from scratch, or failing that, C/C++ modules can be written to handle a more obscure or revolutionary...

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Tech Concepts

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Programming languages

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