var clients = {};

var ws = new WebSocketServer.Server({
    port: 3000
});


ws.on('connection', function(ws) {
    var id = random(1, 100) // min, - max
    clients[id] = ws;
});

# ...

var clients = {
    questions: {
        324: <ws_object>
    }
}

{type: "auth", login: "user", pass: "password"}

{type: "auth", status: false}

var clients = {
    questions: {
        324: <ws_object>
    }
}

qid | uid
324 |  54