Skeleton implementation for Filo

filo-server.js

/**
 * Copyright 2019 (c) Kibo Hikari
 * Licensed under MIT.
 * 
 * Based on Google's Flywheel whitepaper
 * If you want to read about it, see: https://ai.google/research/pubs/pub43447
 */
const http = require('http');
const httpsProxy = require('http-proxy');

const proxy = httpsProxy.createProxyServer({target: 'http://localhost:9001', ws: true}).listen(8090);

const server = http.createServer((req, res) => {

    console.log(`Proxying ${req.url}`);
    proxy.web(req, res, {target: req.url});

    proxy.on('error', e => {
        console.error(`!-- Error: Failed to proxy ${req.url}\n\n Call stack \n\n ${e.stack}`);
    });

    // support WSes
    proxy.on('upgrade', (req, sock, head) => {
        proxy.ws(req, sock, head, {target: req.url})
    })
});

console.log('Filo proxy running in Port 8000.\n If you are runnning this in Heroku, run it via port 80 and 443.')
server.listen(9001);