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Node method to implement voice chat: 1. Use the nodejs module express to create a web server; 2. Create an https connection; 3. Real-time communication between the client and the server through "socket.io".
node?
Voice chat based on nodejs
Used nodejs module
: Create a web server
: Create https connection (LAN or external network webRTC requires https connection, see
tutoril for details)
:Real-time communication between client and server
js file
public/js for details /chat.jsComments##Send data
Enter the page to connect to the server
socketThe client inputs text data
event, and generates the
chat event to prepare for the server
emit
soket
socket
Extract the data text
CommentAccepting and sending voice data is similar to the communication of text data
format and sent to the server.
When receiving a message, the data type is in
blob data is parsed and played using the html5 audio tag
Generate your own signed certificate (valid for 365 days)
openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365
var fs = require('fs'), https = require('https'), express = require('express'), app = express(); https.createServer({ key: fs.readFileSync('key.pem'), cert: fs.readFileSync('cert.pem') }, app).listen(55555); app.get('/', function (req, res) { res.header('Content-type', 'text/html'); return res.end('<h1>Hello, Secure World!</h1>'); });recommends learning: "
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