const params = new URL("http://localhost" + req.url).searchParams;
const sid = params.get("sid");
const page = params.get("page");
+ // Ignore duplicate connections:
+ if (!!clients[page][sid])
+ {
+ socket.send(JSON.stringify({code:"duplicate"}));
+ return;
+ }
clients[page][sid] = socket;
if (page == "index")
{