From: Benjamin Auder Date: Mon, 24 May 2021 13:34:03 +0000 (+0200) Subject: Small fix + attempt to improve socket messages reliability... X-Git-Url: https://git.auder.net/variants/current/css/img/doc/scripts/common.css?a=commitdiff_plain;h=16d06164d56332bd00fb22acc5b2b2997b942d73;p=vchess.git Small fix + attempt to improve socket messages reliability... --- diff --git a/client/package-lock.json b/client/package-lock.json index 670ba11c..bd08ac46 100644 --- a/client/package-lock.json +++ b/client/package-lock.json @@ -44,12 +44,12 @@ } }, "node_modules/@babel/generator": { - "version": "7.14.1", - "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.1.tgz", - "integrity": "sha512-TMGhsXMXCP/O1WtQmZjpEYDhCYC9vFhayWZPJSZCGkPJgUqX0rF0wwtrYvnzVxIjcF80tkUertXVk5cwqi5cAQ==", + "version": "7.14.3", + "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.3.tgz", + "integrity": "sha512-bn0S6flG/j0xtQdz3hsjJ624h3W0r3llttBMfyHX3YrZ/KtLYr15bjA0FXkgW7FpvrDuTuElXeVjiKlYRpnOFA==", "dev": true, "dependencies": { - "@babel/types": "^7.14.1", + "@babel/types": "^7.14.2", "jsesc": "^2.5.1", "source-map": "^0.5.0" } @@ -64,14 +64,14 @@ } }, "node_modules/@babel/helper-function-name": { - 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"camelcase": { - "version": "5.3.1", - "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz", - "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==", - "dev": true - }, "chokidar": { "version": "2.1.8", "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz", diff --git a/client/src/views/Game.vue b/client/src/views/Game.vue index 6e9768af..c3f21198 100644 --- a/client/src/views/Game.vue +++ b/client/src/views/Game.vue @@ -236,7 +236,8 @@ export default { // If newmove got no pingback, send again: opponentGotMove: false, connexionString: "", - socketCloseListener: 0, + reopenTimeout: 0, + reconnectTimeout: 0, // Incomplete info games: show move played moveNotation: "", // Intervals from setInterval(): @@ -289,14 +290,13 @@ export default { }, methods: { cleanBeforeDestroy: function() { - clearInterval(this.socketCloseListener); document.removeEventListener('visibilitychange', this.visibilityChange); window.removeEventListener('focus', this.onFocus); window.removeEventListener('blur', this.onBlur); if (!!this.askLastate) clearInterval(this.askLastate); if (!!this.retrySendmove) clearInterval(this.retrySendmove); if (!!this.clockUpdate) clearInterval(this.clockUpdate); - this.conn.removeEventListener("message", this.socketMessageListener); + clearTimeout(this.reopenTimeout); this.send("disconnect"); this.conn = null; }, @@ -374,7 +374,7 @@ export default { id: my.id, name: my.name, tmpIds: { - tmpId: { focus: true } + [tmpId]: { focus: true } } } ); @@ -409,30 +409,41 @@ export default { "&page=" + // Discard potential "/?next=[...]" for page indication: encodeURIComponent(this.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]); + openConnection(); + }, + openConnection: function() { this.conn = new WebSocket(this.connexionString); - this.conn.addEventListener("message", this.socketMessageListener); - this.socketCloseListener = setInterval( - () => { - if (this.conn.readyState == 3) { - this.conn.removeEventListener( - "message", this.socketMessageListener); - this.conn = new WebSocket(this.connexionString); - this.conn.addEventListener("message", this.socketMessageListener); - const oppSid = this.getOppsid(); - if (!!oppSid) this.requestLastate(oppSid); //in case of - } - }, - 1000 - ); + const onOpen = () => { + this.reconnectTimeout = 250; + const oppSid = this.getOppsid(); + if (!!oppSid) this.requestLastate(oppSid); //in case of + }; + this.conn.onopen = onOpen; + this.conn.onmessage = this.socketMessageListener; + const closeConnection = () => { + this.reopenTimeout = setTimeout( + () => { + this.openConnection(); + this.reconnectTimeout = Math.min(2*this.reconnectTimeout, 30000); + }, + this.reconnectTimeout + ); + }; + this.conn.onerror = closeConnection; + this.conn.onclose = closeConnection; // Socket init required before loading remote game: const socketInit = callback => { if (this.conn.readyState == 1) // 1 == OPEN state callback(); - else + else { // Socket not ready yet (initial loading) // NOTE: first arg is Websocket object, unused here: - this.conn.onopen = () => callback(); + this.conn.onopen = () => { + onOpen(); + callback(); + }; + } }; this.fetchGame((game) => { if (!!game) { diff --git a/client/src/views/Hall.vue b/client/src/views/Hall.vue index b7199a7b..4f27f794 100644 --- a/client/src/views/Hall.vue +++ b/client/src/views/Hall.vue @@ -282,7 +282,8 @@ export default { presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"), conn: null, connexionString: "", - socketCloseListener: 0, + reopenTimeout: 0, + reconnectTimeout: 0, // Related to (killing of) self multi-connects: newConnect: {} }; @@ -317,39 +318,35 @@ export default { id: my.id, name: my.name, tmpIds: { - tmpId: { page: "/", focus: true } + [tmpId]: { page: "/", focus: true } } } ); - const connectAndPoll = () => { - this.send("connect"); - this.send("pollclientsandgamers"); - if (!!this.$route.query["challenge"]) { - // Automatic challenge sending, for tournaments - this.loadNewchallVariant( - () => { - Object.assign( - this.newchallenge, - { - fen: "", - vid: - this.st.variants - .find(v => v.name == this.$route.query["variant"]) - .id, - to: this.$route.query["challenge"], - color: this.$route.query["color"] || '', - cadence: this.$route.query["cadence"], - options: {}, - memorize: false - } - ); - window.doClick("modalNewgame"); - }, - this.$route.query["variant"] - ); - } - }; - // Initialize connection + if (!!this.$route.query["challenge"]) { + // Automatic challenge sending, for tournaments + this.loadNewchallVariant( + () => { + Object.assign( + this.newchallenge, + { + fen: "", + vid: + this.st.variants + .find(v => v.name == this.$route.query["variant"]) + .id, + to: this.$route.query["challenge"], + color: this.$route.query["color"] || '', + cadence: this.$route.query["cadence"], + options: {}, + memorize: false + } + ); + window.doClick("modalNewgame"); + }, + this.$route.query["variant"] + ); + } + // Connexion string won't change if disconnect/reconnect this.connexionString = params.socketUrl + "/?sid=" + this.st.user.sid + @@ -358,19 +355,7 @@ export default { "&page=" + // Hall: path is "/" (TODO: could be hard-coded as well) encodeURIComponent(this.$route.path); - this.conn = new WebSocket(this.connexionString); - this.conn.onopen = connectAndPoll; - this.conn.addEventListener("message", this.socketMessageListener); - this.socketCloseListener = setInterval( - () => { - if (this.conn.readyState == 3) { - this.conn.removeEventListener("message", this.socketMessageListener); - this.conn = new WebSocket(this.connexionString); - this.conn.addEventListener("message", this.socketMessageListener); - } - }, - 1000 - ); + this.openConnection(); }, mounted: function() { document.getElementById("peopleWrap") @@ -466,13 +451,36 @@ export default { this.cleanBeforeDestroy(); }, methods: { + openConnection: function() { + const connectAndPoll = () => { + this.send("connect"); + this.send("pollclientsandgamers"); + }; + // Initialize connection + this.conn = new WebSocket(this.connexionString); + this.conn.onopen = () => { + this.reconnectTimeout = 250; + connectAndPoll(); + }; + this.conn.onmessage = this.socketMessageListener; + const closeConnection = () => { + this.reopenTimeout = setTimeout( + () => { + this.openConnection(); + this.reconnectTimeout = Math.min(2*this.reconnectTimeout, 30000); + }, + this.reconnectTimeout + ); + }; + this.conn.onerror = closeConnection; + this.conn.onclose = closeConnection; + }, cleanBeforeDestroy: function() { - clearInterval(this.socketCloseListener); document.removeEventListener('visibilitychange', this.visibilityChange); window.removeEventListener('focus', this.onFocus); window.removeEventListener('blur', this.onBlur); window.removeEventListener("beforeunload", this.cleanBeforeDestroy); - this.conn.removeEventListener("message", this.socketMessageListener); + clearTimeout(this.reopenTimeout); this.send("disconnect"); this.conn = null; }, diff --git a/client/src/views/MyGames.vue b/client/src/views/MyGames.vue index d12fff48..ad330aec 100644 --- a/client/src/views/MyGames.vue +++ b/client/src/views/MyGames.vue @@ -78,7 +78,8 @@ export default { }, conn: null, connexionString: "", - socketCloseListener: 0 + reopenTimeout: 0, + reconnectTimeout: 0 }; }, watch: { @@ -96,7 +97,6 @@ export default { }, created: function() { window.addEventListener("beforeunload", this.cleanBeforeDestroy); - // Initialize connection this.connexionString = params.socketUrl + "/?sid=" + this.st.user.sid + @@ -104,19 +104,7 @@ export default { "&tmpId=" + getRandString() + "&page=" + encodeURIComponent(this.$route.path); - this.conn = new WebSocket(this.connexionString); - this.conn.onmessage = this.socketMessageListener; - this.socketCloseListener = setInterval( - () => { - if (this.conn.readyState == 3) { - // Connexion is closed: re-open - this.conn.removeEventListener("message", this.socketMessageListener); - this.conn = new WebSocket(this.connexionString); - this.conn.addEventListener("message", this.socketMessageListener); - } - }, - 1000 - ); + this.openConnection(); }, mounted: function() { const adjustAndSetDisplay = () => { @@ -182,10 +170,26 @@ export default { this.cleanBeforeDestroy(); }, methods: { + openConnection: function() { + // Initialize connection + this.conn = new WebSocket(this.connexionString); + this.conn.onopen = () => { this.reconnectTimeout = 250; }; + this.conn.onmessage = this.socketMessageListener; + const closeConnection = () => { + this.reopenTimeout = setTimeout( + () => { + this.openConnection(); + this.reconnectTimeout = Math.min(2*this.reconnectTimeout, 30000); + }, + this.reconnectTimeout + ); + }; + this.conn.onerror = closeConnection; + this.conn.onclose = closeConnection; + }, cleanBeforeDestroy: function() { - clearInterval(this.socketCloseListener); window.removeEventListener("beforeunload", this.cleanBeforeDestroy); - this.conn.removeEventListener("message", this.socketMessageListener); + clearTimeout(this.reopenTimeout); this.conn.send(JSON.stringify({code: "disconnect"})); this.conn = null; }, diff --git a/server/sockets.js b/server/sockets.js index c2b41e88..520b8b70 100644 --- a/server/sockets.js +++ b/server/sockets.js @@ -18,6 +18,12 @@ function send(socket, message) { socket.send(JSON.stringify(message)); } +// https://www.npmjs.com/package/ws - detect lost connections... +function noop() {} +function heartbeat() { + this.isAlive = true; +} + module.exports = function(wss) { // Associative array page --> sid --> tmpId --> socket // "page" is either "/" for hall or "/game/some_gid" for Game, @@ -36,6 +42,8 @@ module.exports = function(wss) { }); } wss.on("connection", (socket, req) => { + socket.isAlive = true; + socket.on('pong', heartbeat); const query = getJsonFromUrl(req.url); const sid = query["sid"]; const id = query["id"]; @@ -368,4 +376,15 @@ module.exports = function(wss) { socket.on("message", messageListener); socket.on("close", closeListener); }); + const interval = setInterval( + () => { + wss.clients.forEach(ws => { + if (ws.isAlive === false) return ws.terminate(); + ws.isAlive = false; + ws.ping(noop); + }); + }, + 30000 + ); + wss.on('close', () => clearInterval(interval)); }