-const url = require('url');
-
// Node version in Ubuntu 16.04 does not know about URL class
-// NOTE: url is already transformed, without ?xxx=yyy... parts
-function getJsonFromUrl(url)
-{
+function getJsonFromUrl(url) {
const query = url.substr(2); //starts with "/?"
let result = {};
query.split("&").forEach((part) => {
}
// Helper to safe-send some message through a (web-)socket:
-function send(socket, message)
-{
+function send(socket, message) {
if (!!socket && socket.readyState == 1)
socket.send(JSON.stringify(message));
}
module.exports = function(wss) {
// Associative array page --> sid --> tmpId --> socket
// "page" is either "/" for hall or "/game/some_gid" for Game,
+ // or "/mygames" for Mygames page (simpler: no 'people' array).
// tmpId is required if a same user (browser) has different tabs
let clients = {};
+ // NOTE: only purpose of sidToPages = know when to delete keys in idToSid
+ let sidToPages = {};
+ let idToSid = {};
wss.on("connection", (socket, req) => {
const query = getJsonFromUrl(req.url);
const sid = query["sid"];
+ const id = query["id"];
const tmpId = query["tmpId"];
const page = query["page"];
- const notifyRoom = (page,code,obj={}) => {
- if (!clients[page])
- return;
+ const notifyRoom = (page, code, obj={}, except) => {
+ if (!clients[page]) return;
+ except = except || [];
Object.keys(clients[page]).forEach(k => {
+ if (except.includes(k)) return;
Object.keys(clients[page][k]).forEach(x => {
- if (k == sid && x == tmpId)
- return;
- send(clients[page][k][x], Object.assign({code:code, from:sid}, obj));
+ if (k == sid && x == tmpId) return;
+ send(
+ clients[page][k][x].socket,
+ Object.assign({ code: code, from: [sid, tmpId] }, obj)
+ );
});
});
};
if (!clients[page] || !clients[page][sid] || !clients[page][sid][tmpId])
return; //job already done
delete clients[page][sid][tmpId];
- if (Object.keys(clients[page][sid]).length == 0)
- {
+ if (Object.keys(clients[page][sid]).length == 0) {
delete clients[page][sid];
- if (Object.keys(clients[page]) == 0)
+ const pgIndex = sidToPages[sid].findIndex(pg => pg == page);
+ sidToPages[sid].splice(pgIndex, 1);
+ if (Object.keys(clients[page]).length == 0)
delete clients[page];
+ // Am I totally offline?
+ if (sidToPages[sid].length == 0) {
+ delete sidToPages[sid];
+ delete idToSid[id];
+ }
}
};
+
const doDisconnect = () => {
deleteConnexion();
- if (!clients[page] || !clients[page][sid])
- {
- // I effectively disconnected from this page:
+ // Nothing to notify when disconnecting from MyGames page:
+ if (page != "/mygames") {
notifyRoom(page, "disconnect");
if (page.indexOf("/game/") >= 0)
- notifyRoom("/", "gdisconnect", {page:page});
+ notifyRoom("/", "gdisconnect", { page: page });
}
};
const messageListener = (objtxt) => {
let obj = JSON.parse(objtxt);
- switch (obj.code)
- {
+ switch (obj.code) {
// 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.
- case "connect":
- {
+ case "connect": {
notifyRoom(page, "connect");
if (page.indexOf("/game/") >= 0)
- notifyRoom("/", "gconnect", {page:page});
+ notifyRoom("/", "gconnect", { page: page });
break;
}
case "disconnect":
// When page changes:
doDisconnect();
break;
- case "killme":
- {
- // Self multi-connect: manual removal + disconnect
- const doKill = (pg) => {
- Object.keys(clients[pg][obj.sid]).forEach(x => {
- send(clients[pg][obj.sid][x], {code: "killed"});
- });
- delete clients[pg][obj.sid];
- };
- const disconnectFromOtherConnexion = (pg,code,o={}) => {
- Object.keys(clients[pg]).forEach(k => {
- if (k != obj.sid)
- {
- Object.keys(clients[pg][k]).forEach(x => {
- send(clients[pg][k][x], Object.assign({code:code, from:obj.sid}, o));
- });
- }
- });
- };
- Object.keys(clients).forEach(pg => {
- if (!!clients[pg][obj.sid])
- {
- doKill(pg);
- disconnectFromOtherConnexion(pg, "disconnect");
- if (pg.indexOf("/game/") >= 0 && !!clients["/"])
- disconnectFromOtherConnexion("/", "gdisconnect", {page:pg});
- }
- });
- break;
- }
- case "pollclients": //from Hall or Game
- {
- let sockIds = [];
+ case "pollclients": {
+ // From Game
+ let sockIds = {};
Object.keys(clients[page]).forEach(k => {
- // Avoid polling myself: no new information to get
- if (k != sid)
- sockIds.push(k);
+ sockIds[k] = {};
+ Object.keys(clients[page][k]).forEach(x => {
+ // Avoid polling my tmpId: no information to get
+ if (k != sid || x != tmpId)
+ sockIds[k][x] = { focus: clients[page][k][x].focus };
+ });
});
- send(socket, {code:"pollclients", sockIds:sockIds});
+ send(socket, { code: "pollclients", sockIds: sockIds });
break;
}
- case "pollclientsandgamers": //from Hall
- {
- let sockIds = [];
+ case "pollclientsandgamers": {
+ // From Hall
+ let sockIds = {};
Object.keys(clients["/"]).forEach(k => {
- // Avoid polling myself: no new information to get
- if (k != sid)
- sockIds.push({sid:k});
+ sockIds[k] = {};
+ Object.keys(clients[page][k]).forEach(x => {
+ // Avoid polling my tmpId: no information to get
+ if (k != sid || x != tmpId) {
+ sockIds[k][x] = {
+ page: "/",
+ focus: clients[page][k][x].focus
+ };
+ }
+ });
});
// NOTE: a "gamer" could also just be an observer
Object.keys(clients).forEach(p => {
- if (p != "/")
- {
+ if (p.indexOf("/game/") >= 0) {
Object.keys(clients[p]).forEach(k => {
- if (k != sid)
- sockIds.push({sid:k, page:p}); //page needed for gamers
+ if (!sockIds[k]) sockIds[k] = {};
+ Object.keys(clients[p][k]).forEach(x => {
+ if (k != sid || x != tmpId) {
+ sockIds[k][x] = {
+ page: p,
+ focus: clients[p][k][x].focus
+ };
+ }
+ });
});
}
});
- send(socket, {code:"pollclientsandgamers", sockIds:sockIds});
+ send(socket, { code: "pollclientsandgamers", sockIds: sockIds });
break;
}
// but the requested resource can be from any tmpId (except current!)
case "askidentity":
case "asklastate":
- case "askchallenge":
- case "askgame":
- case "askfullgame":
- {
+ case "askchallenges":
+ case "askgame": {
const pg = obj.page || page; //required for askidentity and askgame
- // In cas askfullgame to wrong SID for example, would crash:
- if (clients[pg] && clients[pg][obj.target])
- {
- const tmpIds = Object.keys(clients[pg][obj.target]);
- if (obj.target == sid) //targetting myself
- {
+ if (!!clients[pg] && !!clients[pg][obj.target]) {
+ let tmpIds = Object.keys(clients[pg][obj.target]);
+ if (obj.target == sid) {
+ // Targetting myself
const idx_myTmpid = tmpIds.findIndex(x => x == tmpId);
- if (idx_myTmpid >= 0)
- tmpIds.splice(idx_myTmpid, 1);
+ if (idx_myTmpid >= 0) tmpIds.splice(idx_myTmpid, 1);
+ }
+ if (tmpIds.length > 0) {
+ const ttmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)];
+ send(
+ clients[pg][obj.target][ttmpId].socket,
+ { code: obj.code, from: [sid,tmpId,page] }
+ );
+ }
+ }
+ break;
+ }
+
+ // Special situation of the previous "case":
+ // Full game can be asked to any observer.
+ case "askfullgame": {
+ if (!!clients[page]) {
+ let sids = Object.keys(clients[page]).filter(k => k != sid);
+ if (sids.length > 0) {
+ // Pick a SID at random in this set, and ask full game:
+ const rid = sids[Math.floor(Math.random() * sids.length)];
+ // ..to a random tmpId:
+ const tmpIds = Object.keys(clients[page][rid]);
+ const rtmpId = tmpIds[Math.floor(Math.random() * tmpIds.length)];
+ send(
+ clients[page][rid][rtmpId].socket,
+ { code: "askfullgame", from: [sid,tmpId] }
+ );
+ } else {
+ // I'm the only person who have the game for the moment:
+ send(socket, { code: "fullgame", data: { empty: true } });
}
- const tmpId_idx = Math.floor(Math.random() * tmpIds.length);
- send(
- clients[pg][obj.target][tmpIds[tmpId_idx]],
- {code:obj.code, from:[sid,tmpId,page]}
- );
}
break;
}
case "startgame":
Object.keys(clients[page][obj.target]).forEach(x => {
if (obj.target != sid || x != tmpId)
- send(clients[page][obj.target][x], {code:obj.code, data:obj.data});
+ send(
+ clients[page][obj.target][x].socket,
+ { code: obj.code, data: obj.data }
+ );
});
break;
// Notify all room: mostly game events
case "newchat":
case "newchallenge":
+ case "deletechallenge_s":
case "newgame":
- case "deletechallenge":
- case "newmove":
case "resign":
case "abort":
case "drawoffer":
+ case "rematchoffer":
case "draw":
- {
- notifyRoom(page, obj.code, {data:obj.data});
- const mygamesPg = "/mygames";
- if (obj.code == "newmove" && clients[mygamesPg])
- {
- // Relay newmove info to myGames page
- // NOTE: the move itself is not needed (for now at least)
- const newmoveForMygames = {
- gid: page.split("/")[2] //format is "/game/gid"
- };
- obj.data.players.forEach(pSid => {
- if (clients[mygamesPg][pSid])
- {
- Object.keys(clients[mygamesPg][pSid]).forEach(x => {
+ // "newgame" message can provide a page (corr Game --> Hall)
+ notifyRoom(
+ obj.page || page, obj.code, {data: obj.data}, obj.excluded);
+ break;
+
+ case "rnewgame":
+ // A rematch game started:
+ notifyRoom(page, "newgame", {data: obj.data});
+ // Explicitely notify Hall if gametype == corr.
+ // Live games will be polled from Hall after gconnect event.
+ if (obj.data.cadence.indexOf('d') >= 0)
+ notifyRoom("/", "newgame", {data: obj.data});
+ break;
+
+ case "newmove": {
+ const dataWithFrom = { from: [sid,tmpId], data: obj.data };
+ // Special case re-send newmove only to opponent:
+ if (!!obj.target && !!clients[page][obj.target]) {
+ Object.keys(clients[page][obj.target]).forEach(x => {
+ send(
+ clients[page][obj.target][x].socket,
+ Object.assign({ code: "newmove" }, dataWithFrom)
+ );
+ });
+ } else {
+ // NOTE: data.from is useful only to opponent
+ notifyRoom(page, "newmove", dataWithFrom);
+ }
+ break;
+ }
+ case "gotmove":
+ if (
+ !!clients[page][obj.target[0]] &&
+ !!clients[page][obj.target[0]][obj.target[1]]
+ ) {
+ send(
+ clients[page][obj.target[0]][obj.target[1]].socket,
+ { code: "gotmove" }
+ );
+ }
+ break;
+
+ case "result":
+ // Special case: notify all, 'transroom': Game --> Hall
+ notifyRoom("/", "result", { gid: obj.gid, score: obj.score });
+ break;
+
+ case "mabort": {
+ const gamePg = "/game/" + obj.gid;
+ if (!!clients[gamePg] && !!clients[gamePg][obj.target]) {
+ Object.keys(clients[gamePg][obj.target]).forEach(x => {
+ send(
+ clients[gamePg][obj.target][x].socket,
+ { code: "abort" }
+ );
+ });
+ }
+ break;
+ }
+
+ case "notifyscore":
+ case "notifyturn":
+ case "notifynewgame":
+ if (!!clients["/mygames"]) {
+ obj.targets.forEach(t => {
+ const k = t.sid || idToSid[t.id];
+ if (!!clients["/mygames"][k]) {
+ Object.keys(clients["/mygames"][k]).forEach(x => {
send(
- clients[mygamesPg][pSid][x],
- {code:"newmove", data:newmoveForMygames}
+ clients["/mygames"][k][x].socket,
+ { code: obj.code, data: obj.data }
);
});
}
});
}
break;
- }
- case "result":
- // Special case: notify all, 'transroom': Game --> Hall
- notifyRoom("/", "result", {gid:obj.gid, score:obj.score});
+ case "getfocus":
+ case "losefocus":
+ if (
+ !!clients[page] &&
+ !!clients[page][sid] &&
+ !!clients[page][sid][tmpId]
+ ) {
+ clients[page][sid][tmpId].focus = (obj.code == "getfocus");
+ }
+ if (page == "/") notifyRoom("/", obj.code, { page: "/" }, [sid]);
+ else {
+ // Notify game room + Hall:
+ notifyRoom(page, obj.code, {}, [sid]);
+ notifyRoom("/", obj.code, { page: page }, [sid]);
+ }
break;
// Passing, relaying something: from isn't needed,
// but target is fully identified (sid + tmpId)
- case "challenge":
+ case "challenges":
case "fullgame":
case "game":
case "identity":
case "lastate":
{
const pg = obj.target[2] || page; //required for identity and game
- // NOTE: if in game we ask identity to opponent still in Hall,
- // but leaving Hall, clients[pg] or clients[pg][target] could be ndefined
- if (clients[pg] && clients[pg][obj.target[0]])
- send(clients[pg][obj.target[0]][obj.target[1]], {code:obj.code, data:obj.data});
+ // NOTE: if in game we ask identity to opponent still in Hall, but
+ // leaving Hall, clients[pg] or clients[pg][target] could be undef.
+ if (!!clients[pg] && !!clients[pg][obj.target[0]]) {
+ send(
+ clients[pg][obj.target[0]][obj.target[1]].socket,
+ { code:obj.code, data:obj.data }
+ );
+ }
break;
}
}
doDisconnect();
};
// Update clients object: add new connexion
+ const newElt = { socket: socket, focus: true };
if (!clients[page])
- clients[page] = {[sid]: {[tmpId]: socket}};
+ clients[page] = { [sid]: {[tmpId]: newElt } };
else if (!clients[page][sid])
- clients[page][sid] = {[tmpId]: socket};
+ clients[page][sid] = { [tmpId]: newElt };
else
- clients[page][sid][tmpId] = socket;
+ clients[page][sid][tmpId] = newElt;
+ // Also update helper correspondances
+ if (!idToSid[id]) idToSid[id] = sid;
+ if (!sidToPages[sid]) sidToPages[sid] = [];
+ const pgIndex = sidToPages[sid].findIndex(pg => pg == page);
+ if (pgIndex === -1) sidToPages[sid].push(page);
socket.on("message", messageListener);
socket.on("close", closeListener);
});
projects / vchess.git / blobdiff