Learning websockets.
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README.md
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server.py

README.md

NB: There have been certain changes after I refactored my code. Go to the old master branch around 6 commits before this to view the old code. The instructions about the actual protocol still holds though.

Learning Websockets

This repository was originally made to learn about websockets. There was no better way than implementing a websocket server from scratch(since the client sided part is almost trivial). So I've implemented a chat server.

Apologies for grammatical and spelling errors.

Requirements

  • python3
  • any webserver, to host index.html
  • a modern web-browser (tested on firefox 46 and chromium 50)
  • Basic idea/experience using apache/http.server and understanding client/server relationships

Usage

  1. Change host in index.html to the IP "A" where your server.py is running.
  2. Start hosting index.html on a web hosting server(IP "B"). You can use apache if you want, or simply do
$ cd directory_where_index.html_is
$ python3 -m http.server 8888
  1. Start server.py
$ python3 server.py
  1. Point as many web-browsers as you want towards the location of your server (the IP address IP "B")

Note: The IP/location of the WebSocket server and the WebHosting server are unrelated. However, in my testing process, I ran them both off the same machine, so both were localhost for me, with different port numbers.

So to re-iterate, the host in your index.html file points to the IP address of the computer where server.py is running and your browser address bar points to the IP address where your web-hosting server is running. To keep it simple, keep both on your own machine and replace both with localhost.

Brief Explanation of the WebSocket Protocol

Refer to the writeup at http://milindl.org/writeups.html