video/shanet-webrtc/server/server.js

60 lines
2.0 KiB
JavaScript

const HTTPS_PORT = 58080;
const fs = require('fs');
const https = require('https');
const WebSocket = require('ws');
const WebSocketServer = WebSocket.Server;
// Yes, TLS is required
const serverConfig = {
key: fs.readFileSync('key.pem'),
cert: fs.readFileSync('cert.pem'),
};
// ----------------------------------------------------------------------------------------
// Create a server for the client html page
const handleRequest = function(request, response) {
// Render the single client html file for any request the HTTP server receives
console.log('request received: ' + request.url);
if(request.url === '/') {
response.writeHead(200, {'Content-Type': 'text/html'});
response.end(fs.readFileSync('client/index.html'));
} else if(request.url === '/webrtc.js') {
response.writeHead(200, {'Content-Type': 'application/javascript'});
response.end(fs.readFileSync('client/webrtc.js'));
}
};
const httpsServer = https.createServer(serverConfig, handleRequest);
httpsServer.listen(HTTPS_PORT, '0.0.0.0');
// ----------------------------------------------------------------------------------------
// Create a server for handling websocket calls
const wss = new WebSocketServer({server: httpsServer});
wss.on('connection', function(ws) {
ws.on('message', function(message) {
// Broadcast any received message to all clients
console.log('received: %s', message);
wss.broadcast(message);
});
});
wss.broadcast = function(data) {
this.clients.forEach(function(client) {
if(client.readyState === WebSocket.OPEN) {
client.send(data);
}
});
};
console.log('Server running. Visit https://localhost:' + HTTPS_PORT + ' in Firefox/Chrome.\n\n\
Some important notes:\n\
* Note the HTTPS; there is no HTTP -> HTTPS redirect.\n\
* You\'ll also need to accept the invalid TLS certificate.\n\
* Some browsers or OSs may not allow the webcam to be used by multiple pages at once. You may need to use two different browsers or machines.\n'
);