return result;
}
+// Helper to safe-send some message through a (web-)socket:
+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,
const tmpId = query["tmpId"];
const page = query["page"];
const notifyRoom = (page,code,obj={}) => {
+ if (!clients[page])
+ return;
Object.keys(clients[page]).forEach(k => {
Object.keys(clients[page][k]).forEach(x => {
if (k == sid && x == tmpId)
return;
- clients[page][k][x].send(JSON.stringify(Object.assign(
- {code:code, from:sid}, obj)));
+ send(clients[page][k][x], Object.assign({code:code, from:sid}, obj));
});
});
};
delete clients[page];
}
};
- const messageListener = (objtxt) => {
- let obj = JSON.parse(objtxt);
- if (!!obj.target)
+ const doDisconnect = () => {
+ deleteConnexion();
+ if (!clients[page] || !clients[page][sid])
{
- // Check if receiver is connected, because there may be some lag
- // between a client disconnects and another notice.
- if (Array.isArray(obj.target))
- {
- if (!clients[page][obj.target[0]] ||
- !clients[page][obj.target[0]][obj.target[1]])
- {
- return;
- }
- }
- else if (!clients[page][obj.target])
- return;
+ // I effectively disconnected from this page:
+ notifyRoom(page, "disconnect");
+ if (page.indexOf("/game/") >= 0)
+ notifyRoom("/", "gdisconnect", {page:page});
}
+ };
+ const messageListener = (objtxt) => {
+ let obj = JSON.parse(objtxt);
switch (obj.code)
{
// Wait for "connect" message to notify connection to the room,
}
case "disconnect":
// When page changes:
- deleteConnexion();
- if (!clients[page][sid])
- {
- // I effectively disconnected from this page:
- notifyRoom(page, "disconnect");
- if (page.indexOf("/game/") >= 0)
- notifyRoom("/", "gdisconnect", {page:page});
- }
+ 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 = [];
Object.keys(clients[page]).forEach(k => {
- // Poll myself if I'm on at least another tab (same page)
- if (k != sid || Object.keys(clients["/"][k]).length >= 2)
+ // Avoid polling myself: no new information to get
+ if (k != sid)
sockIds.push(k);
});
- socket.send(JSON.stringify({code:"pollclients", sockIds:sockIds}));
+ send(socket, {code:"pollclients", sockIds:sockIds});
break;
}
case "pollclientsandgamers": //from Hall
{
let sockIds = [];
Object.keys(clients["/"]).forEach(k => {
- // Poll myself if I'm on at least another tab (same page)
- if (k != sid || Object.keys(clients["/"][k]).length >= 2)
+ // Avoid polling myself: no new information to get
+ if (k != sid)
sockIds.push({sid:k});
});
// NOTE: a "gamer" could also just be an observer
});
}
});
- socket.send(JSON.stringify({code:"pollclientsandgamers", sockIds:sockIds}));
+ send(socket, {code:"pollclientsandgamers", sockIds:sockIds});
break;
}
case "askgame":
case "askfullgame":
{
- const tmpIds = Object.keys(clients[page][obj.target]);
- if (obj.target == sid) //targetting myself
+ 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 idx_myTmpid = tmpIds.findIndex(x => x == tmpId);
- if (idx_myTmpid >= 0)
- tmpIds.splice(idx_myTmpid, 1);
+ const 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);
+ }
+ const tmpId_idx = Math.floor(Math.random() * tmpIds.length);
+ send(
+ clients[pg][obj.target][tmpIds[tmpId_idx]],
+ {code:obj.code, from:[sid,tmpId,page]}
+ );
}
- const tmpId_idx = Math.floor(Math.random() * tmpIds.length);
- clients[page][obj.target][tmpIds[tmpId_idx]].send(
- JSON.stringify({code:obj.code, from:[sid,tmpId]}));
break;
}
case "startgame":
Object.keys(clients[page][obj.target]).forEach(x => {
if (obj.target != sid || x != tmpId)
- {
- clients[page][obj.target][x].send(JSON.stringify(
- {code:obj.code, data:obj.data}));
- }
+ send(clients[page][obj.target][x], {code:obj.code, data:obj.data});
});
break;
case "abort":
case "drawoffer":
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 gid = page.split("/")[2]; //format is "/game/gid"
+ obj.data.players.forEach(pSid => {
+ if (clients[mygamesPg][pSid])
+ {
+ Object.keys(clients[mygamesPg][pSid]).forEach(x => {
+ send(
+ clients[mygamesPg][pSid][x],
+ {code:"newmove", gid:gid}
+ );
+ });
+ }
+ });
+ }
+ break;
+ }
+
+ case "result":
+ // Special case: notify all, 'transroom': Game --> Hall
+ notifyRoom("/", "result", {gid:obj.gid, score:obj.score});
break;
// Passing, relaying something: from isn't needed,
case "game":
case "identity":
case "lastate":
- clients[page][obj.target[0]][obj.target[1]].send(JSON.stringify(
- {code:obj.code, data:obj.data}));
+ {
+ 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});
break;
+ }
}
};
const closeListener = () => {
- // For tab or browser closing:
- deleteConnexion();
+ // For browser or tab closing (including page reload):
+ doDisconnect();
};
// Update clients object: add new connexion
if (!clients[page])
projects / vchess.git / blobdiff