simple_koa_spdy_ws.js

simple_koa_spdy_ws.js

var spdy = require('spdy');
var WebSocket = require('ws');
var koa = require('koa');
var fs = require('fs');
var views = require('co-views');

// spdy key data
var options = {
  key: fs.readFileSync(__dirname + '/keys/server.key'),
  cert: fs.readFileSync(__dirname + '/keys/server.crt'),
  ca: fs.readFileSync(__dirname + '/keys/server.csr')
};

// instanciate the koa middleware
var app = koa();

// setup views, appending .ejs
// when no extname is given to render()
var render = views(__dirname + '/views', {ext: 'ejs'});

// render
app.use(function *(){
  this.body = yield render('index');
});

// create spdy server
var server = spdy.createServer(options, app.callback());
// create the websocket server
var wss = new WebSocket.Server({server: server});

// websocket simple echo
wss.on('connection', function (ws) {
  ws.on('message', function (message) {
    ws.send(message+'');
  });
});

// listen on port 443
// script must be started with sudo priviliges
server.listen(443);