Small fix + attempt to improve socket messages reliability...
authorBenjamin Auder <benjamin.auder@somewhere>
Mon, 24 May 2021 13:34:03 +0000 (15:34 +0200)
committerBenjamin Auder <benjamin.auder@somewhere>
Mon, 24 May 2021 13:34:03 +0000 (15:34 +0200)
client/package-lock.json
client/src/views/Game.vue
client/src/views/Hall.vue
client/src/views/MyGames.vue
server/sockets.js

index 670ba11..bd08ac4 100644 (file)
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-      "integrity": "sha512-U+MTEOO0AiDzxwFvoa4JVnMV6mZlJKk2sBLt90s7G0Gd0Mlknc7kxEn3nuDPNZRta7O2uy8oLcZLVT+4sqNZHQ==",
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.9.tgz",
+      "integrity": "sha512-Ki212dKK4ogX+xDo4CtOZBVIwhsKBEfsEEcwmJfLQzirgc2jIWdzg40Unxz/HzEUqM1WFzVlQSMF9kZZ2HboLQ==",
       "dev": true
     },
     "spdy": {
       "dev": true
     },
     "spdy": {
       "dev": true
     },
     "vue-loader": {
       "dev": true
     },
     "vue-loader": {
-      "version": "15.9.6",
-      "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-15.9.6.tgz",
-      "integrity": "sha512-j0cqiLzwbeImIC6nVIby2o/ABAWhlppyL/m5oJ67R5MloP0hj/DtFgb0Zmq3J9CG7AJ+AXIvHVnJAPBvrLyuDg==",
+      "version": "15.9.7",
+      "resolved": "https://registry.npmjs.org/vue-loader/-/vue-loader-15.9.7.tgz",
+      "integrity": "sha512-qzlsbLV1HKEMf19IqCJqdNvFJRCI58WNbS6XbPqK13MrLz65es75w392MSQ5TsARAfIjUw+ATm3vlCXUJSOH9Q==",
       "dev": true,
       "requires": {
         "@vue/component-compiler-utils": "^3.1.0",
       "dev": true,
       "requires": {
         "@vue/component-compiler-utils": "^3.1.0",
             "to-regex": "^3.0.1"
           }
         },
             "to-regex": "^3.0.1"
           }
         },
-        "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",
         "chokidar": {
           "version": "2.1.8",
           "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
index 6e9768a..c3f2119 100644 (file)
@@ -236,7 +236,8 @@ export default {
       // If newmove got no pingback, send again:
       opponentGotMove: false,
       connexionString: "",
       // 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():
       // Incomplete info games: show move played
       moveNotation: "",
       // Intervals from setInterval():
@@ -289,14 +290,13 @@ export default {
   },
   methods: {
     cleanBeforeDestroy: function() {
   },
   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);
       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;
     },
       this.send("disconnect");
       this.conn = null;
     },
@@ -374,7 +374,7 @@ export default {
           id: my.id,
           name: my.name,
           tmpIds: {
           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.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]);
         "&page=" +
         // Discard potential "/?next=[...]" for page indication:
         encodeURIComponent(this.$route.path.match(/\/game\/[a-zA-Z0-9]+/)[0]);
+      openConnection();
+    },
+    openConnection: function() {
       this.conn = new WebSocket(this.connexionString);
       this.conn = 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();
       // 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:
           // 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) {
       };
       this.fetchGame((game) => {
         if (!!game) {
index b7199a7..4f27f79 100644 (file)
@@ -282,7 +282,8 @@ export default {
       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
       conn: null,
       connexionString: "",
       presetChalls: JSON.parse(localStorage.getItem("presetChalls") || "[]"),
       conn: null,
       connexionString: "",
-      socketCloseListener: 0,
+      reopenTimeout: 0,
+      reconnectTimeout: 0,
       // Related to (killing of) self multi-connects:
       newConnect: {}
     };
       // Related to (killing of) self multi-connects:
       newConnect: {}
     };
@@ -317,39 +318,35 @@ export default {
         id: my.id,
         name: my.name,
         tmpIds: {
         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 +
     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.$route.path);
       "&page=" +
       // Hall: path is "/" (TODO: could be hard-coded as well)
       encodeURIComponent(this.$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")
   },
   mounted: function() {
     document.getElementById("peopleWrap")
@@ -466,13 +451,36 @@ export default {
     this.cleanBeforeDestroy();
   },
   methods: {
     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() {
     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);
       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;
     },
       this.send("disconnect");
       this.conn = null;
     },
index d12fff4..ad330ae 100644 (file)
@@ -78,7 +78,8 @@ export default {
       },
       conn: null,
       connexionString: "",
       },
       conn: null,
       connexionString: "",
-      socketCloseListener: 0
+      reopenTimeout: 0,
+      reconnectTimeout: 0
     };
   },
   watch: {
     };
   },
   watch: {
@@ -96,7 +97,6 @@ export default {
   },
   created: function() {
     window.addEventListener("beforeunload", this.cleanBeforeDestroy);
   },
   created: function() {
     window.addEventListener("beforeunload", this.cleanBeforeDestroy);
-    // Initialize connection
     this.connexionString =
       params.socketUrl +
       "/?sid=" + this.st.user.sid +
     this.connexionString =
       params.socketUrl +
       "/?sid=" + this.st.user.sid +
@@ -104,19 +104,7 @@ export default {
       "&tmpId=" + getRandString() +
       "&page=" +
       encodeURIComponent(this.$route.path);
       "&tmpId=" + getRandString() +
       "&page=" +
       encodeURIComponent(this.$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 = () => {
   },
   mounted: function() {
     const adjustAndSetDisplay = () => {
@@ -182,10 +170,26 @@ export default {
     this.cleanBeforeDestroy();
   },
   methods: {
     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() {
     cleanBeforeDestroy: function() {
-      clearInterval(this.socketCloseListener);
       window.removeEventListener("beforeunload", this.cleanBeforeDestroy);
       window.removeEventListener("beforeunload", this.cleanBeforeDestroy);
-      this.conn.removeEventListener("message", this.socketMessageListener);
+      clearTimeout(this.reopenTimeout);
       this.conn.send(JSON.stringify({code: "disconnect"}));
       this.conn = null;
     },
       this.conn.send(JSON.stringify({code: "disconnect"}));
       this.conn = null;
     },
index c2b41e8..520b8b7 100644 (file)
@@ -18,6 +18,12 @@ function send(socket, message) {
     socket.send(JSON.stringify(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,
 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) => {
     });
   }
   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"];
     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);
   });
     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));
 }
 }