#Quick node web server how to
#Quick node web server install
#Quick node web server upgrade
#Quick node web server code

The Status-Line tells the client the HTTP status code (usually 200 if there were no problems). This is followed by a set of key-value header pairs that provide the client with reciprocal information from the server, with respect to the request that the server is responding to. The GET method is used when the client is simply requesting that the server deliver a copy of the resource that is referenced by the specified URL.ДЄ barebones example of a request header, formatted according to the HTTP RFC, looks like this: GET /index.html HTTP/1.1 Host: Having received the request header, the server then formats a response header starting with a Status-Line. This tells the server the type of operation that the client is attempting with respect to the referenced URL.

The very first token in the request is the HTTP method. Each one tells the server something about what to expect in the subsequent request payload that will follow the header data, and what it can expect from the client regarding the kinds of responses it will be able to understand. This is followed by a sequence of key-value pair header lines. Without getting too deep into the HTTP protocol itself, it is enough to know that a request must start with what is referred to as Request-Line. HereвЂ™s what happens in a simple HTTP GET request

A WebSocket connection should be able to take place with the same initial HTTP-based handshake used for any other type of web request. This meant recognizing that the web is generally addressed using URLs, not IP addresses and port numbers. One of the early considerations when defining the WebSocket standard was to ensure that it вЂњplay nicelyвЂќ with the web. From the browserвЂ™s developer tools you should see the console output of your client.js script as follows: WebSocket client script will run here. You should see: Server running at Open up your browser and load up the index.html file. Then, from your terminal/console, run: node server.js The above is a basic HTML skeleton for the front-end. This will help us fast-track serving up your client-side files.Д¬reate the following files: 1.

#Quick node web server install

In a new folder, make sure youвЂ™ve got a package.json file ready, then npm install node-static.

This is outlined in Section 5 of RFC 6455.ДЇinally, the server will need to construct its own messages according to the same specification, and dispatch them back to the client via the open socket connection. YouвЂ™ll then need to read the raw binary data received via your HTTP socket connection and translate it according to the WebSocket framing protocol specification.

#Quick node web server upgrade

A possible exception might be if youвЂ™re implementing something custom outside of a browser environment - such as some kind of custom mobile hardware.Д«ut on the server, unless youвЂ™re using a WebSocket server library youвЂ™ve installed, youвЂ™ll need to handle the HTTP connection WebSocket upgrade handshake yourself. On the client-side of things, you donвЂ™t really need to do anything special other than use the WebSocket class that is built into modern browsers by default. 10kb+) are beyond the scope of this tutorial. Topics such as scalability, performance, connection recovery, robust handling of different edge cases, handling of large messages (e.g. There are a lot of things to consider when building a WebSocket server, and the intent here is just to demonstrate a starting point.

#Quick node web server how to

You should also see how to use NPM to install packages, as IвЂ™ll be assuming at least a little familiarity with these as we continue. Note: If youвЂ™ve never touched Node.js in your life, you should check out a few Node.js tutorials to get a simple Node.js server running on your machine. They all follow the same standard specifications for interpreting and constructing HTTP requests and responses, and for parsing and generating data that uses the WebSocket framing protocol.ДЇor now, though, IвЂ™ll assume you have at least some familiarity with Node.js. The actual concepts will be fairly consistent though. The implementation in each of those environments will vary depending upon the HTTP server libraries available. IвЂ™ll be using Node.js for this (version 10.7 is installed on my machine at the time of this article). You can take your learning a bit further with another great article about long polling. In this article, weвЂ™ll see how to implement a WebSocket server using Node.js.Д«efore we jump right in - if you are not familiar with WebSockets as a transport protocol, hereвЂ™s a brilliant article that you should read.