Вот простое решение для комнаты.Часть init () очень проста в использовании, но вы не сказали, как намереваетесь заполнить сервер сокетов с помощью userId / session-data клиента при первом подключении к серверу.
//Client
socket.on('connect',()=>{
socket.on('init',()=>{
socket.emit('init', 'userid')
})
})
socket.on("sendToDriver", function(message){
console.log(message);
})
sendMessage(message){
let data = {userId: "userId", message: message}
socket.emit("callDriver", data);
}
//Server
var io = require('socket.io')(server);
//Triggered by each client separately.
io.on('connection', function(socket){
socket.on('init', (driverId)=>{
//When your web socket starts for the first time, each user creates their own room with their main userId that is used in your mobile app.
//Your setup is so basic, that the server('connection') -> server.emit('init') -> client.on('init') -> client.emit('init') flow is the most sane example for now.
//However this init() setup is primitive -- you need an authentication flow and to pass up the userId/session data with a socket.io 'middleware' function or the 'socket.io-auth' library (recommended)
socket.join(driverId)
})
socket.emit('init')
//Data sent to callDriver will contain the userId of the desired receipient. Since this user is already waiting in that room for us, we join it,
//send the message, and then leave immediately.
socket.on('callDriver', function(data){
socket.join(data.driverIdToCall)
socket.to(data.driverIdToCall).emit('sendToDriver', data.message);
socket.leave(data.driverIdToCall)
})
})