X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=server%2Fsockets.js;h=553f8c60d0ebefbe4042f4a6f55894164b1ea363;hp=8a0614b16d04fc4c233034af257a55123a528fe8;hb=50f1f7c38bae6100b15db1fdb263a1fb97b9266c;hpb=98db2082fd31e7a7bc0348e31ce119f39dbc31b3 diff --git a/server/sockets.js b/server/sockets.js index 8a0614b1..553f8c60 100644 --- a/server/sockets.js +++ b/server/sockets.js @@ -1,157 +1,189 @@ const url = require('url'); -const VariantModel = require("./models/Variant"); // Node version in Ubuntu 16.04 does not know about URL class function getJsonFromUrl(url) { - const query = url.substr(2); //starts with "/?" - let result = {}; - query.split("&").forEach((part) => { - const item = part.split("="); - result[item[0]] = decodeURIComponent(item[1]); - }); - return result; + const query = url.substr(2); //starts with "/?" + let result = {}; + query.split("&").forEach((part) => { + const item = part.split("="); + result[item[0]] = decodeURIComponent(item[1]); + }); + return result; } -// TODO: empêcher multi-log du même user (envoyer le user ID + secret en même temps que name et...) -// --> si secret ne matche pas celui trouvé en DB, stop - -// TODO: this file in the end will be much simpler, just tracking connect/disconnect -// (everything else using WebRTC) - module.exports = function(wss) { - VariantModel.getAll((err,variants) => { - let clients = { "index": {} }; - let games = {}; //pending games (player sid) - for (const v of variants) - clients[v.id] = {}; - // No-op function as a callback when sending messages - const noop = () => { }; - wss.on("connection", (socket, req) => { -// const params = new URL("http://localhost" + req.url).searchParams; -// const sid = params.get("sid"); -// const page = params.get("page"); - var query = getJsonFromUrl(req.url); - const sid = query["sid"]; - const page = query["page"]; - // Ignore duplicate connections: - if (!!clients[page][sid]) - { - socket.send(JSON.stringify({code:"duplicate"})); - return; - } - clients[page][sid] = socket; - if (page == "index") - { - // Send counting info - const countings = {}; - for (const v of variants) - countings[v.id] = Object.keys(clients[v.id]).length; - socket.send(JSON.stringify({code:"counts",counts:countings})); - } - else - { - // Send to every client connected on index an update message for counts - Object.keys(clients["index"]).forEach( k => { - clients["index"][k].send( - JSON.stringify({code:"increase",vid:page}), noop); - }); - // Also notify potential opponents: - // hit all clients which check if sid corresponds - Object.keys(clients[page]).forEach( k => { - clients[page][k].send(JSON.stringify({code:"connect",id:sid}), noop); - }); - socket.on("message", objtxt => { - let obj = JSON.parse(objtxt); - switch (obj.code) - { - case "newchat": - if (!!clients[page][obj.oppid]) - { - clients[page][obj.oppid].send( - JSON.stringify({code:"newchat",msg:obj.msg}), noop); - } - break; - case "newmove": - if (!!clients[page][obj.oppid]) - { - clients[page][obj.oppid].send( - JSON.stringify({code:"newmove",move:obj.move}), noop); - } - break; - case "ping": - if (!!clients[page][obj.oppid]) - socket.send(JSON.stringify({code:"pong",gameId:obj.gameId})); - break; - case "myname": - // Reveal my username to opponent - if (!!clients[page][obj.oppid]) - { - clients[page][obj.oppid].send(JSON.stringify({ - code:"oppname", name:obj.name})); - } - break; - case "lastate": - if (!!clients[page][obj.oppid]) - { - const oppId = obj.oppid; - obj.oppid = sid; //I'm oppid for my opponent - clients[page][oppId].send(JSON.stringify(obj), noop); - } - break; - case "newgame": - if (!!games[page]) - { - // Start a new game - const oppId = games[page]["id"]; - const fen = games[page]["fen"]; - const gameId = games[page]["gameid"]; - delete games[page]; - const mycolor = (Math.random() < 0.5 ? 'w' : 'b'); - socket.send(JSON.stringify( - {code:"newgame",fen:fen,oppid:oppId,color:mycolor,gameid:gameId})); - if (!!clients[page][oppId]) - { - clients[page][oppId].send( - JSON.stringify( - {code:"newgame",fen:fen,oppid:sid,color:mycolor=="w"?"b":"w",gameid:gameId}), - noop); - } - } - else - games[page] = {id:sid, fen:obj.fen, gameid:obj.gameid}; //wait for opponent - break; - case "cancelnewgame": //if a user cancel his seek - delete games[page]; - break; - case "resign": - if (!!clients[page][obj.oppid]) - clients[page][obj.oppid].send(JSON.stringify({code:"resign"}), noop); - break; - // TODO: case "challenge" (get ID) --> send to all, "acceptchallenge" (with ID) --> send to all, "cancelchallenge" --> send to all - // also, "sendgame" (give current game info, if any) --> to new connections, "sendchallenges" (same for challenges) --> to new connections - } - }); - } - socket.on("close", () => { - delete clients[page][sid]; - // Remove potential pending game - if (!!games[page] && games[page]["id"] == sid) - delete games[page]; - if (page != "index") - { - // Send to every client connected on index an update message for counts - Object.keys(clients["index"]).forEach( k => { - clients["index"][k].send( - JSON.stringify({code:"decrease",vid:page}), noop); - }); - } - // Also notify potential opponents: - // hit all clients which check if sid corresponds - Object.keys(clients[page]).forEach( k => { - clients[page][k].send(JSON.stringify({code:"disconnect",id:sid}), noop); - }); - }); - }); - }); + let clients = {}; //associative array sid --> socket + wss.on("connection", (socket, req) => { + const query = getJsonFromUrl(req.url); + const sid = query["sid"]; + if (!!clients[sid]) + return socket.send(JSON.stringify({code:"duplicate"})); + 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("/", "gconnect"); //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 && clients[k].page == curPage + )})); + break; + } + case "pollgamers": + socket.send(JSON.stringify({code:"pollgamers", + sockIds: Object.keys(clients).filter(k => + k != sid && clients[k].page.indexOf("/game/") >= 0 + )})); + break; + case "pagechange": + // page change clients[sid].page --> obj.page +console.log(sid + " : page change: " + clients[sid].page + " --> " + obj.page); + notifyRoom(clients[sid].page, "disconnect"); + if (clients[sid].page.indexOf("/game/") >= 0) + notifyRoom("/", "gdisconnect"); + clients[sid].page = obj.page; + notifyRoom(obj.page, "connect"); + if (obj.page.indexOf("/game/") >= 0) + notifyRoom("/", "gconnect"); + break; + case "askidentity": + clients[obj.target].sock.send(JSON.stringify( + {code:"askidentity",from:sid})); + break; + case "askchallenge": + 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].sock.send(JSON.stringify( + {code:"identity",user:obj.user})); + break; + case "refusechallenge": + clients[obj.target].sock.send(JSON.stringify( + {code:"refusechallenge", cid:obj.cid, from:sid})); + break; + case "deletechallenge": + clients[obj.target].sock.send(JSON.stringify( + {code:"deletechallenge", cid:obj.cid, from:sid})); + break; + case "newgame": + clients[obj.target].sock.send(JSON.stringify( + {code:"newgame", gameInfo:obj.gameInfo, cid:obj.cid})); + break; + case "challenge": + clients[obj.target].sock.send(JSON.stringify( + {code:"challenge", chall:obj.chall, from:sid})); + break; + case "game": + 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": + notifyRoom(clients[sid].page, "newchat", {chat:obj.chat}); + break; + // TODO: WebRTC instead in this case (most demanding?) + // --> At least do a "notifyRoom" + case "newmove": + clients[obj.target].sock.send(JSON.stringify( + {code:"newmove", move:obj.move})); + break; + case "lastate": + clients[obj.target].sock.send(JSON.stringify( + {code:"lastate", state:obj.state})); + break; + case "resign": + clients[obj.target].sock.send(JSON.stringify( + {code:"resign", side:obj.side})); + break; + case "abort": + clients[obj.target].sock.send(JSON.stringify( + {code:"abort"})); + break; + case "drawoffer": + clients[obj.target].sock.send(JSON.stringify( + {code:"drawoffer"})); + break; + case "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]; + notifyRoom(page, "disconnect"); + if (page.indexOf("/game/") >= 0) + notifyRoom("/", "gdisconnect"); //notify main hall + }); + }); }