wss.on("connection", (socket, req) => {
const query = getJsonFromUrl(req.url);
const sid = query["sid"];
- // TODO: later, allow duplicate connections (shouldn't be much more complicated)
if (!!clients[sid])
return socket.send(JSON.stringify({code:"duplicate"}));
- clients[sid] = socket;
- // Notify room:
- Object.keys(clients).forEach(k => {
- if (k != sid)
- clients[k].send(JSON.stringify({code:"connect",sid:sid}));
- });
+ clients[sid] = {sock: socket, page: query["page"]};
+ const notifyRoom = (page,code,obj={},excluded=[]) => {
+ Object.keys(clients).forEach(k => {
+ if (k in excluded)
+ return;
+ if (k != sid && clients[k].page == page)
+ {
+ clients[k].sock.send(JSON.stringify(Object.assign(
+ {code:code, from:sid}, obj)));
+ }
+ });
+ };
+ // Wait for "connect" message to notify connection to the room,
+ // because if game loading is slow the message listener might
+ // not be ready too early.
socket.on("message", objtxt => {
let obj = JSON.parse(objtxt);
if (!!obj.target && !clients[obj.target])
return; //receiver not connected, nothing we can do
switch (obj.code)
{
+ case "connect":
+ notifyRoom(query["page"], "connect"); //Hall or Game
+ if (query["page"].indexOf("/game/") >= 0)
+ notifyRoom("/", "connect"); //notify main hall
+ break;
case "pollclients":
+ const curPage = clients[sid].page;
socket.send(JSON.stringify({code:"pollclients",
- sockIds:Object.keys(clients).filter(k => k != sid)}));
+ sockIds: Object.keys(clients).filter(k => k != sid &&
+ (clients[k].page == curPage ||
+ // Consider that people playing are in Hall too:
+ (curPage == "/" && clients[k].page.indexOf("/game/") >= 0))
+ )}));
+ break;
+ case "pagechange":
+ notifyRoom(clients[sid].page, "disconnect");
+ if (clients[sid].page.indexOf("/game/") >= 0)
+ notifyRoom("/", "disconnect");
+ clients[sid].page = obj.page;
+ notifyRoom(obj.page, "connect");
+ if (obj.page.indexOf("/game/") >= 0)
+ notifyRoom("/", "connect");
break;
case "askidentity":
- clients[obj.target].send(
- JSON.stringify({code:"askidentity",from:sid}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"askidentity",from:sid}));
break;
case "askchallenge":
- clients[obj.target].send(
- JSON.stringify({code:"askchallenge",from:sid}));
- break;
- case "askgame":
- clients[obj.target].send(
- JSON.stringify({code:"askgame",from:sid}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"askchallenge",from:sid}));
+ break;
+ case "askgames":
+ {
+ // Check all clients playing, and send them a "askgame" message
+ let gameSids = {}; //game ID --> [sid1, sid2]
+ const regexpGid = /\/[a-zA-Z0-9]+$/;
+ Object.keys(clients).forEach(k => {
+ if (k != sid && clients[k].page.indexOf("/game/") >= 0)
+ {
+ const gid = clients[k].page.match(regexpGid)[0];
+ if (!gameSids[gid])
+ gameSids[gid] = [k];
+ else
+ gameSids[gid].push(k);
+ }
+ });
+ // Request only one client out of 2 (TODO: this is a bit heavy)
+ // Alt: ask game to all, and filter later?
+ Object.keys(gameSids).forEach(gid => {
+ const L = gameSids[gid].length;
+ const idx = L > 1
+ ? Math.floor(Math.random() * Math.floor(L))
+ : 0;
+ const rid = gameSids[gid][idx];
+ clients[rid].sock.send(JSON.stringify(
+ {code:"askgame", from: sid}));
+ });
+ break;
+ }
+ case "askfullgame":
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"askfullgame", from:sid}));
+ break;
+ case "fullgame":
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"fullgame", game:obj.game}));
break;
case "identity":
- clients[obj.target].send(
- JSON.stringify({code:"identity",user:obj.user}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"identity",user:obj.user}));
break;
case "refusechallenge":
- clients[obj.target].send(
- JSON.stringify({code:"refusechallenge", cid:obj.cid, from:sid}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"refusechallenge", cid:obj.cid, from:sid}));
break;
case "deletechallenge":
- clients[obj.target].send(
- JSON.stringify({code:"deletechallenge", cid:obj.cid, from:sid}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"deletechallenge", cid:obj.cid, from:sid}));
break;
case "newgame":
- clients[obj.target].send(JSON.stringify(
+ clients[obj.target].sock.send(JSON.stringify(
{code:"newgame", gameInfo:obj.gameInfo, cid:obj.cid}));
break;
case "challenge":
- clients[obj.target].send(JSON.stringify(
+ clients[obj.target].sock.send(JSON.stringify(
{code:"challenge", chall:obj.chall, from:sid}));
break;
case "game":
- clients[obj.target].send(JSON.stringify(
- {code:"game", game:obj.game, from:sid}));
+ if (!!obj.target)
+ {
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"game", game:obj.game, from:sid}));
+ }
+ else
+ {
+ // Notify all room except opponent and me:
+ notifyRoom("/", "game", {game:obj.game}, [obj.oppsid]);
+ }
break;
case "newchat":
- clients[obj.target].send(JSON.stringify({code:"newchat",msg:obj.msg}));
+ // WARNING: do not use query["page"], because the page may change
+ notifyRoom(clients[sid].page, "newchat",
+ {msg: obj.msg, name: obj.name});
break;
// TODO: WebRTC instead in this case (most demanding?)
case "newmove":
- clients[obj.target].send(JSON.stringify({code:"newmove",move:obj.move}));
- break;
- case "ping":
- // If this code is reached, then obj.target is connected
- socket.send(JSON.stringify({code:"pong"}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"newmove", move:obj.move}));
break;
case "lastate":
- const oppId = obj.target;
- obj.oppid = sid; //I'm the opponent of my opponent(s)
- clients[oppId].send(JSON.stringify(obj));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"lastate", state:obj.state}));
break;
case "resign":
- clients[obj.target].send(JSON.stringify({code:"resign"}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"resign", side:obj.side}));
break;
case "abort":
- clients[obj.target].send(JSON.stringify({code:"abort",msg:obj.msg}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"abort"}));
break;
case "drawoffer":
- clients[obj.target].send(JSON.stringify({code:"drawoffer"}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"drawoffer"}));
break;
case "draw":
- clients[obj.target].send(JSON.stringify({code:"draw"}));
+ clients[obj.target].sock.send(JSON.stringify(
+ {code:"draw", message:obj.message}));
break;
}
});
socket.on("close", () => {
+ const page = clients[sid].page;
delete clients[sid];
- // Notify every other connected client
- Object.keys(clients).forEach( k => {
- clients[k].send(JSON.stringify({code:"disconnect",sid:sid}));
- });
+ notifyRoom(page, "disconnect");
+ if (page.indexOf("/game/") >= 0)
+ notifyRoom("/", "disconnect"); //notify main hall
});
});
}