socket.io do sockets leave rooms on disconnect
/* Upon disconnection, sockets leave all the channels they were part of
automatically, and no special teardown is needed on your part.
You can fetch the rooms the Socket was in by listening to the
disconnecting event: */
io.on('connection', socket => {
socket.on('disconnecting', () => {
console.log(socket.rooms); // the Set contains at least the socket ID
});
socket.on('disconnect', () => {
// socket.rooms.size === 0
});
});socket.io reconnect example
io.connect('http://localhost', {
'reconnection': true,
'reconnectionDelay': 500,
'reconnectionAttempts': 10
});socket io connect to namespace
var io = require('socket.io')(http, { path: '/myapp/socket.io'});
io
.of('/my-namespace')
.on('connection', function(socket){
console.log('a user connected with id %s', socket.id);
socket.on('my-message', function (data) {
io.of('my-namespace').emit('my-message', data);
// or socket.emit(...)
console.log('broadcasting my-message', data);
});
});socketi io client disconnect
You can now simply call `socket.disconnect()` on the server side.socket io query
// Client side
const socket = io({
query: { token: 'cde' }
});
// Server side
io.on('connection', (socket) => {
let token = socket.handshake.query.token;
// Do something...
});Copyright © 2021 Codeinu
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