Implementing connection recovery via a web client (#4, #5) (#6)

- update webSocketWithReconnect js
- update jsonrpcclient js
- update Openvidu ts
- update Session ts
- add RPC ID to Connection ts

openvidu-browser/lib/OpenVidu/Connection.d.ts

@@ -12,6 +12,10 @@ export declare class Connection {
      * Unique identifier of the connection
      */
     connectionId: string;
+    /**
+     * RPC session ID.
+     */
+    rpcSessionId: string;
     /**
      * Time when this connection was created (UTC milliseconds)
      */

openvidu-browser/lib/OpenVidu/Connection.js.map

@@ -1 +1 @@
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+{"version":3,"file":"Connection.js","sourceRoot":"","sources":["../../src/OpenVidu/Connection.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;;GAeG;;AAGH,mCAAkC;AAMlC;;;GAGG;AACH;IAsCI;;OAEG;IACH,oBAAoB,OAAgB,EAAE,IAAwB;QAA1C,YAAO,GAAP,OAAO,CAAS;QARpC;;WAEG;QACH,aAAQ,GAAG,KAAK,CAAC;QAOb,IAAI,GAAG,GAAG,uBAAuB,CAAC;QAClC,IAAI,CAAC,CAAC,IAAI,EAAE;YACR,GAAG,IAAI,gCAAgC,GAAG,IAAI,CAAC,EAAE,GAAG,GAAG,CAAC;SAC3D;aAAM;YACH,GAAG,IAAI,SAAS,CAAC;SACpB;QACD,OAAO,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;QAElB,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC;QAEpB,IAAI,CAAC,CAAC,IAAI,EAAE;YACR,uBAAuB;YACvB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC,EAAE,CAAC;YAC5B,IAAI,IAAI,CAAC,QAAQ,EAAE;gBACf,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,QAAQ,CAAC;aAC7B;YACD,IAAI,IAAI,CAAC,OAAO,EAAE;gBACd,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;aACxC;SACJ;QAED,IAAI,CAAC,YAAY,GAAG,IAAI,IAAI,EAAE,CAAC,OAAO,EAAE,CAAC;IAC7C,CAAC;IAGD,oBAAoB;IAEpB;;OAEG;IACH,qCAAgB,GAAhB,UAAiB,SAA0B;QAEvC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,kBAAkB,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,QAAQ,CAAC,EAAE,eAAe,EAClF,IAAI,CAAC,YAAY,EAAE,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,CAAC,CAAC;QAElD,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAC,gBAAgB,EAAE;YAChD,YAAY,EAAE,IAAI,CAAC,YAAY;YAC/B,SAAS,EAAE,SAAS,CAAC,SAAS;YAC9B,MAAM,EAAE,SAAS,CAAC,MAAM;YACxB,aAAa,EAAE,SAAS,CAAC,aAAa;SACzC,EAAE,UAAC,KAAK,EAAE,QAAQ;YACf,IAAI,KAAK,EAAE;gBACP,OAAO,CAAC,KAAK,CAAC,+BAA+B;sBACvC,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,CAAC;aAChC;QACL,CAAC,CAAC,CAAC;IACP,CAAC;IAED;;OAEG;IACH,sCAAiB,GAAjB,UAAkB,OAA8B;QAAhD,iBAuBC;QArBG,oHAAoH;QACpH,4GAA4G;QAC5G,OAAO,CAAC,OAAO,CAAC,UAAA,IAAI;YAChB,IAAM,aAAa,GAAyB;gBACxC,EAAE,EAAE,IAAI,CAAC,EAAE;gBACX,UAAU,EAAE,KAAI;gBAChB,QAAQ,EAAE,IAAI,CAAC,QAAQ;gBACvB,QAAQ,EAAE,IAAI,CAAC,QAAQ;gBACvB,WAAW,EAAE,IAAI,CAAC,WAAW;gBAC7B,WAAW,EAAE,IAAI,CAAC,WAAW;gBAC7B,WAAW,EAAE,IAAI,CAAC,WAAW;gBAC7B,SAAS,EAAE,IAAI,CAAC,SAAS;gBACzB,eAAe,EAAE,CAAC,CAAC,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,eAAe,CAAC,CAAC,CAAC,CAAC,SAAS;gBACtF,MAAM,EAAE,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,SAAS;aAClD,CAAC;YACF,IAAM,MAAM,GAAG,IAAI,eAAM,CAAC,KAAI,CAAC,OAAO,EAAE,aAAa,CAAC,CAAC;YAEvD,KAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC;QAC3B,CAAC,CAAC,CAAC;QAEH,OAAO,CAAC,IAAI,CAAC,2CAA2C,GAAG,IAAI,CAAC,YAAY,GAAG,0DAA0D,EAAE,IAAI,CAAC,MAAM,CAAC,iBAAiB,CAAC,CAAC;IAC9K,CAAC;IAED;;OAEG;IACH,8BAAS,GAAT,UAAU,MAAc;QACpB,MAAM,CAAC,UAAU,GAAG,IAAI,CAAC;QACzB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACzB,CAAC;IAED;;OAEG;IACH,iCAAY,GAAZ,UAAa,QAAgB;QACzB,OAAO,IAAI,CAAC,MAAM,CAAC;IACvB,CAAC;IAED;;OAEG;IACH,4BAAO,GAAP;QACI,IAAI,CAAC,CAAC,IAAI,CAAC,MAAM,EAAE;YACf,OAAO,IAAI,CAAC,MAAM,CAAC;SACtB;QACD,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;IACzB,CAAC;IACL,iBAAC;AAAD,CAAC,AA/ID,IA+IC;AA/IY,gCAAU"}

openvidu-browser/lib/OpenVidu/OpenVidu.d.ts

@@ -137,6 +137,7 @@ export declare class OpenVidu {
      * - `publisherSpeakingEventsOptions`: custom configuration for the [[PublisherSpeakingEvent]] feature
      */
     setAdvancedConfiguration(configuration: OpenViduAdvancedConfiguration): void;
+    reconnect(): void;
     /**
      * @hidden
      */

openvidu-browser/lib/OpenVidu/OpenVidu.js

@@ -377,6 +377,11 @@ var OpenVidu = /** @class */ (function () {
     OpenVidu.prototype.setAdvancedConfiguration = function (configuration) {
         this.advancedConfiguration = configuration;
     };
+    // Only for testing.
+    OpenVidu.prototype.reconnect = function () {
+        console.log("Attempt to test reconnect");
+        this.jsonRpcClient.forceClose();
+    };
     /* Hidden methods */
     /**
      * @hidden
@@ -549,7 +554,7 @@ var OpenVidu = /** @class */ (function () {
      * @hidden
      */
     OpenVidu.prototype.closeWs = function () {
-        this.jsonRpcClient.close();
+        this.jsonRpcClient.close(4102, "Connection closed by client");
     };
     /**
      * @hidden
@@ -584,7 +589,7 @@ var OpenVidu = /** @class */ (function () {
     OpenVidu.prototype.disconnectCallback = function () {
         console.warn('Websocket connection lost');
         if (this.isRoomAvailable()) {
-            this.session.onLostConnection();
+            this.session.onLostConnection('Websocket connection lost');
         }
         else {
             alert('Connection error. Please reload page.');
@@ -592,17 +597,24 @@ var OpenVidu = /** @class */ (function () {
     };
     OpenVidu.prototype.reconnectingCallback = function () {
         console.warn('Websocket connection lost (reconnecting)');
-        if (this.isRoomAvailable()) {
+        if (!this.isRoomAvailable()) {
-            this.session.onLostConnection();
-        }
-        else {
             alert('Connection error. Please reload page.');
         }
     };
     OpenVidu.prototype.reconnectedCallback = function () {
+        var _this = this;
         console.warn('Websocket reconnected');
         if (this.isRoomAvailable()) {
-            this.session.onRecoveredConnection();
+            this.sendRequest("connect", { sessionId: this.session.connection.rpcSessionId }, function (error, response) {
+                if (error != null) {
+                    console.error(error);
+                    _this.session.onLostConnection("Reconnection fault");
+                    _this.jsonRpcClient.close(4101, "Reconnection fault");
+                    return;
+                }
+                _this.jsonRpcClient.resetPing();
+                _this.session.onRecoveredConnection();
+            });
         }
         else {
             alert('Connection error. Please reload page.');

openvidu-browser/lib/OpenVidu/Session.d.ts

@@ -254,7 +254,7 @@ export declare class Session implements EventDispatcher {
     /**
      * @hidden
      */
-    onLostConnection(): void;
+    onLostConnection(reason: any): void;
     /**
      * @hidden
      */

openvidu-browser/lib/OpenVidu/Session.js

@@ -771,20 +771,10 @@ var Session = /** @class */ (function () {
     /**
      * @hidden
      */
-    Session.prototype.onLostConnection = function () {
+    Session.prototype.onLostConnection = function (reason) {
-        /*if (!this.connection) {
+        console.warn('Lost connection in Session # waiting for reconnect', this.sessionId);
-
-            console.warn('Not connected to session: if you are not debugging, this is probably a certificate error');
-
-            const url = 'https://' + this.openvidu.getWsUri().split('wss://')[1].split('/openvidu')[0];
-            if (window.confirm('If you are not debugging, this is probably a certificate error at \"' + url + '\"\n\nClick OK to navigate and accept it')) {
-                location.assign(url + '/accept-certificate');
-            }
-            return;
-        }*/
-        console.warn('Lost connection in Session ' + this.sessionId);
         if (!!this.sessionId && !this.connection.disposed) {
-            this.leave(true, 'networkDisconnect');
+            this.leave(true, reason);
         }
     };
     /**
@@ -905,6 +895,7 @@ var Session = /** @class */ (function () {
                             _this.connection = new Connection_1.Connection(_this);
                             _this.connection.connectionId = response.id;
                             _this.connection.data = response.metadata;
+                            _this.connection.rpcSessionId = response.sessionId;
                             // Initialize remote Connections with value returned by openvidu-server
                             var events_1 = {
                                 connections: new Array(),

openvidu-browser/lib/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/jsonrpcclient.js

@@ -30,6 +30,11 @@ function JsonRpcClient(configuration) {
             Logger.error("Websocket already in RECONNECTING state when receiving a new ONRECONNECTING message. Ignoring it");
             return;
         }
+        clearInterval(pingInterval);
+        pingPongStarted = false;
+        enabledPings = false;
+        pingNextNum = -1;
+        rpc.cancel();
         status = RECONNECTING;
         if (onreconnecting) {
             onreconnecting();
@@ -42,9 +47,7 @@ function JsonRpcClient(configuration) {
             return;
         }
         status = CONNECTED;
-        enabledPings = true;
         updateNotReconnectIfLessThan();
-        usePing();
         if (onreconnected) {
             onreconnected();
         }
@@ -65,6 +68,11 @@ function JsonRpcClient(configuration) {
     wsConfig.onerror = function (error) {
         Logger.debug("--------- ONERROR -----------");
         status = DISCONNECTED;
+        clearInterval(pingInterval);
+        pingPongStarted = false;
+        enabledPings = false;
+        pingNextNum = -1;
+        rpc.cancel();
         if (onerror) {
             onerror(error);
         }
@@ -161,8 +169,8 @@ function JsonRpcClient(configuration) {
             }
         }
     }
-    this.close = function () {
+    this.close = function (code, reason) {
-        Logger.debug("Closing jsonRpcClient explicitly by client");
+        Logger.debug("Closing  with code: " + code + " because: " + reason);
         if (pingInterval != undefined) {
             Logger.debug("Clearing ping interval");
             clearInterval(pingInterval);
@@ -175,11 +183,11 @@ function JsonRpcClient(configuration) {
                 if (error) {
                     Logger.error("Error sending close message: " + JSON.stringify(error));
                 }
-                ws.close();
+                ws.close(code, reason);
             });
         }
         else {
-            ws.close();
+            ws.close(code, reason);
         }
     };
     this.forceClose = function (millis) {
@@ -188,6 +196,11 @@ function JsonRpcClient(configuration) {
     this.reconnect = function () {
         ws.reconnectWs();
     };
+    this.resetPing = function () {
+        enabledPings = true;
+        pingNextNum = 0;
+        usePing();
+    };
 }
 module.exports = JsonRpcClient;
 //# sourceMappingURL=jsonrpcclient.js.map

openvidu-browser/lib/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/transports/webSocketWithReconnection.js

@@ -1,156 +1,106 @@
 "use strict";
-var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
 var Logger = console;
-var MAX_RETRIES = 2000;
+var MAX_RETRY_TIME_MS = 10000;
-var RETRY_TIME_MS = 3000;
 var CONNECTING = 0;
 var OPEN = 1;
 var CLOSING = 2;
 var CLOSED = 3;
 function WebSocketWithReconnection(config) {
-    var closing = false;
+    var totalNumRetries = 1;
     var registerMessageHandler;
-    var wsUri = config.uri;
-    var useSockJS = config.useSockJS;
     var reconnecting = false;
-    var forcingDisconnection = false;
     var ws;
-    if (useSockJS) {
+    function onOpen() {
-        ws = new SockJS(wsUri);
+        ws.addEventListener("close", onClose);
+        if (reconnecting === true) {
+            registerMessageHandler();
+            if (config.onreconnected) {
+                config.onreconnected();
+            }
+            reconnecting = false;
         }
         else {
-        ws = new WebSocket(wsUri);
-    }
-    ws.onopen = function () {
-        logConnected(ws, wsUri);
             if (config.onconnected) {
                 config.onconnected();
             }
-    };
+        }
-    ws.onerror = function (error) {
+        totalNumRetries = 1;
-        Logger.error("Could not connect to " + wsUri + " (invoking onerror if defined)", error);
+    }
+    function onClose(event) {
+        removeAllListeners();
+        Logger.log("Close Web Socket code: " + event.code + " reason: " + event.reason);
+        if (event.code > 4000) {
             if (config.onerror) {
-            config.onerror(error);
+                config.onerror(event.reason);
             }
-    };
-    function logConnected(ws, wsUri) {
-        try {
-            Logger.debug("WebSocket connected to " + wsUri);
-        }
-        catch (e) {
-            Logger.error(e);
-        }
-    }
-    var reconnectionOnClose = function () {
-        if (ws.readyState === CLOSED) {
-            if (closing) {
-                Logger.debug("Connection closed by user");
-            }
-            else {
-                Logger.debug("Connection closed unexpectecly. Reconnecting...");
-                reconnectToSameUri(MAX_RETRIES, 1);
-            }
-        }
-        else {
-            Logger.debug("Close callback from previous websocket. Ignoring it");
-        }
-    };
-    ws.onclose = reconnectionOnClose;
-    function reconnectToSameUri(maxRetries, numRetries) {
-        Logger.debug("reconnectToSameUri (attempt #" + numRetries + ", max=" + maxRetries + ")");
-        if (numRetries === 1) {
-            if (reconnecting) {
-                Logger.warn("Trying to reconnectToNewUri when reconnecting... Ignoring this reconnection.");
             return;
         }
-            else {
+        if (reconnecting === false) {
             reconnecting = true;
+            reconnect(500 * totalNumRetries);
+        }
+    }
+    function onError(event) {
+        removeAllListeners();
+        if (config.onerror) {
+            config.onerror("Web socket establishing error");
+        }
+        reconnect(500 * totalNumRetries);
+    }
+    function resetWebSocket(config) {
+        var newWS;
+        if (config.useSockJS) {
+            newWS = new SockJS(config.uri);
+        }
+        else {
+            newWS = new WebSocket(config.uri);
+        }
+        newWS.addEventListener("open", onOpen);
+        newWS.addEventListener("error", onError);
+        return newWS;
+    }
+    function removeAllListeners() {
+        ws.removeEventListener("open", onOpen);
+        ws.removeEventListener("error", onError);
+        ws.removeEventListener("close", onClose);
+    }
+    function reconnect(reconnectInterval) {
+        if (reconnectInterval > MAX_RETRY_TIME_MS) {
+            if (config.onerror) {
+                config.onerror("Server is not responding");
+            }
+            return;
         }
         if (config.onreconnecting) {
             config.onreconnecting();
         }
-        }
-        if (forcingDisconnection) {
-            reconnectToNewUri(maxRetries, numRetries, wsUri);
-        }
-        else {
-            if (config.newWsUriOnReconnection) {
-                config.newWsUriOnReconnection(function (error, newWsUri) {
-                    if (error) {
-                        Logger.debug(error);
         setTimeout(function () {
-                            reconnectToSameUri(maxRetries, numRetries + 1);
+            totalNumRetries++;
-                        }, RETRY_TIME_MS);
+            ws = resetWebSocket(config);
+        }, reconnectInterval);
     }
-                    else {
+    ws = resetWebSocket(config);
-                        reconnectToNewUri(maxRetries, numRetries, newWsUri);
+    this.close = function (code, reason) {
+        if (ws.readyState < CLOSING) {
+            ws.close(code, reason);
         }
-                });
-            }
-            else {
-                reconnectToNewUri(maxRetries, numRetries, wsUri);
-            }
-        }
-    }
-    function reconnectToNewUri(maxRetries, numRetries, reconnectWsUri) {
-        Logger.debug("Reconnection attempt #" + numRetries);
-        ws.close();
-        wsUri = reconnectWsUri || wsUri;
-        var newWs;
-        if (useSockJS) {
-            newWs = new SockJS(wsUri);
-        }
-        else {
-            newWs = new WebSocket(wsUri);
-        }
-        newWs.onopen = function () {
-            Logger.debug("Reconnected after " + numRetries + " attempts...");
-            logConnected(newWs, wsUri);
-            reconnecting = false;
-            registerMessageHandler();
-            if (config.onreconnected()) {
-                config.onreconnected();
-            }
-            newWs.onclose = reconnectionOnClose;
-        };
-        var onErrorOrClose = function (error) {
-            Logger.warn("Reconnection error: ", error);
-            if (numRetries === maxRetries) {
-                if (config.ondisconnect) {
-                    config.ondisconnect();
-                }
-            }
-            else {
-                setTimeout(function () {
-                    reconnectToSameUri(maxRetries, numRetries + 1);
-                }, RETRY_TIME_MS);
-            }
-        };
-        newWs.onerror = onErrorOrClose;
-        ws = newWs;
-    }
-    this.close = function () {
-        closing = true;
-        ws.close();
     };
     this.forceClose = function (millis) {
         Logger.debug("Testing: Force WebSocket close");
         if (millis) {
-            Logger.debug("Testing: Change wsUri for " + millis + " millis to simulate net failure");
+            Logger.log("Testing: Change wsUri for " + millis
-            var goodWsUri = wsUri;
+                + " millis to simulate net failure");
-            wsUri = "wss://21.234.12.34.4:443/";
-            forcingDisconnection = true;
             setTimeout(function () {
-                Logger.debug("Testing: Recover good wsUri " + goodWsUri);
+                ws.close(1000, "Test close for reconnect with timeout");
-                wsUri = goodWsUri;
-                forcingDisconnection = false;
             }, millis);
         }
-        ws.close();
+        else {
+            ws.close(1000, "Test close for reconnect");
+        }
     };
     this.reconnectWs = function () {
-        Logger.debug("reconnectWs");
+        Logger.log("reconnectWs");
-        reconnectToSameUri(MAX_RETRIES, 1);
+        ws.close(1000, "Close Web socket for reconnection");
     };
     this.send = function (message) {
         ws.send(message);

openvidu-browser/lib/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/transports/webSocketWithReconnection.js.map

@@ -1 +1 @@
-{"version":3,"file":"webSocketWithReconnection.js","sourceRoot":"","sources":["../../../../../../src/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/transports/webSocketWithReconnection.js"],"names":[],"mappings":"AAgBA,YAAY,CAAC;AAEb,IAAI,gBAAgB,GAAG,MAAM,CAAC,SAAS,IAAI,MAAM,CAAC,YAAY,CAAC;AAE/D,IAAI,MAAM,GAAG,OAAO,CAAC;AAiBrB,IAAI,WAAW,GAAG,IAAI,CAAC;AACvB,IAAI,aAAa,GAAG,IAAI,CAAC;AAEzB,IAAI,UAAU,GAAG,CAAC,CAAC;AACnB,IAAI,IAAI,GAAG,CAAC,CAAC;AACb,IAAI,OAAO,GAAG,CAAC,CAAC;AAChB,IAAI,MAAM,GAAG,CAAC,CAAC;AAYf,SAAS,yBAAyB,CAAC,MAAM;IAErC,IAAI,OAAO,GAAG,KAAK,CAAC;IACpB,IAAI,sBAAsB,CAAC;IAC3B,IAAI,KAAK,GAAG,MAAM,CAAC,GAAG,CAAC;IACvB,IAAI,SAAS,GAAG,MAAM,CAAC,SAAS,CAAC;IACjC,IAAI,YAAY,GAAG,KAAK,CAAC;IAEzB,IAAI,oBAAoB,GAAG,KAAK,CAAC;IAEjC,IAAI,EAAE,CAAC;IAEP,IAAI,SAAS,EAAE;QACX,EAAE,GAAG,IAAI,MAAM,CAAC,KAAK,CAAC,CAAC;KAC1B;SAAM;QACH,EAAE,GAAG,IAAI,SAAS,CAAC,KAAK,CAAC,CAAC;KAC7B;IAED,EAAE,CAAC,MAAM,GAAG;QACR,YAAY,CAAC,EAAE,EAAE,KAAK,CAAC,CAAC;QACxB,IAAI,MAAM,CAAC,WAAW,EAAE;YACpB,MAAM,CAAC,WAAW,EAAE,CAAC;SACxB;IACL,CAAC,CAAC;IAEF,EAAE,CAAC,OAAO,GAAG,UAAS,KAAK;QACvB,MAAM,CAAC,KAAK,CAAC,uBAAuB,GAAG,KAAK,GAAG,gCAAgC,EAAE,KAAK,CAAC,CAAC;QACxF,IAAI,MAAM,CAAC,OAAO,EAAE;YAChB,MAAM,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACzB;IACL,CAAC,CAAC;IAEF,SAAS,YAAY,CAAC,EAAE,EAAE,KAAK;QAC3B,IAAI;YACA,MAAM,CAAC,KAAK,CAAC,yBAAyB,GAAG,KAAK,CAAC,CAAC;SACnD;QAAC,OAAO,CAAC,EAAE;YACR,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;SACnB;IACL,CAAC;IAED,IAAI,mBAAmB,GAAG;QACtB,IAAI,EAAE,CAAC,UAAU,KAAK,MAAM,EAAE;YAC1B,IAAI,OAAO,EAAE;gBACT,MAAM,CAAC,KAAK,CAAC,2BAA2B,CAAC,CAAC;aAC7C;iBAAM;gBACH,MAAM,CAAC,KAAK,CAAC,iDAAiD,CAAC,CAAC;gBAChE,kBAAkB,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC;aACtC;SACJ;aAAM;YACH,MAAM,CAAC,KAAK,CAAC,qDAAqD,CAAC,CAAC;SACvE;IACL,CAAC,CAAC;IAEF,EAAE,CAAC,OAAO,GAAG,mBAAmB,CAAC;IAEjC,SAAS,kBAAkB,CAAC,UAAU,EAAE,UAAU;QAC9C,MAAM,CAAC,KAAK,CAAC,+BAA+B,GAAG,UAAU,GAAG,QAAQ,GAAG,UAAU,GAAG,GAAG,CAAC,CAAC;QAEzF,IAAI,UAAU,KAAK,CAAC,EAAE;YAClB,IAAI,YAAY,EAAE;gBACd,MAAM,CAAC,IAAI,CAAC,8EAA8E,CAAC,CAAA;gBAC3F,OAAO;aACV;iBAAM;gBACH,YAAY,GAAG,IAAI,CAAC;aACvB;YAED,IAAI,MAAM,CAAC,cAAc,EAAE;gBACvB,MAAM,CAAC,cAAc,EAAE,CAAC;aAC3B;SACJ;QAED,IAAI,oBAAoB,EAAE;YACtB,iBAAiB,CAAC,UAAU,EAAE,UAAU,EAAE,KAAK,CAAC,CAAC;SAEpD;aAAM;YACH,IAAI,MAAM,CAAC,sBAAsB,EAAE;gBAC/B,MAAM,CAAC,sBAAsB,CAAC,UAAS,KAAK,EAAE,QAAQ;oBAElD,IAAI,KAAK,EAAE;wBACP,MAAM,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC;wBACpB,UAAU,CAAC;4BACP,kBAAkB,CAAC,UAAU,EAAE,UAAU,GAAG,CAAC,CAAC,CAAC;wBACnD,CAAC,EAAE,aAAa,CAAC,CAAC;qBACrB;yBAAM;wBACH,iBAAiB,CAAC,UAAU,EAAE,UAAU,EAAE,QAAQ,CAAC,CAAC;qBACvD;gBACL,CAAC,CAAC,CAAA;aACL;iBAAM;gBACH,iBAAiB,CAAC,UAAU,EAAE,UAAU,EAAE,KAAK,CAAC,CAAC;aACpD;SACJ;IACL,CAAC;IAGD,SAAS,iBAAiB,CAAC,UAAU,EAAE,UAAU,EAAE,cAAc;QAC7D,MAAM,CAAC,KAAK,CAAC,wBAAwB,GAAG,UAAU,CAAC,CAAC;QAEpD,EAAE,CAAC,KAAK,EAAE,CAAC;QAEX,KAAK,GAAG,cAAc,IAAI,KAAK,CAAC;QAEhC,IAAI,KAAK,CAAC;QACV,IAAI,SAAS,EAAE;YACX,KAAK,GAAG,IAAI,MAAM,CAAC,KAAK,CAAC,CAAC;SAC7B;aAAM;YACH,KAAK,GAAG,IAAI,SAAS,CAAC,KAAK,CAAC,CAAC;SAChC;QAED,KAAK,CAAC,MAAM,GAAG;YACX,MAAM,CAAC,KAAK,CAAC,oBAAoB,GAAG,UAAU,GAAG,cAAc,CAAC,CAAC;YACjE,YAAY,CAAC,KAAK,EAAE,KAAK,CAAC,CAAC;YAC3B,YAAY,GAAG,KAAK,CAAC;YACrB,sBAAsB,EAAE,CAAC;YACzB,IAAI,MAAM,CAAC,aAAa,EAAE,EAAE;gBACxB,MAAM,CAAC,aAAa,EAAE,CAAC;aAC1B;YAED,KAAK,CAAC,OAAO,GAAG,mBAAmB,CAAC;QACxC,CAAC,CAAC;QAEF,IAAI,cAAc,GAAG,UAAS,KAAK;YAC/B,MAAM,CAAC,IAAI,CAAC,sBAAsB,EAAE,KAAK,CAAC,CAAC;YAE3C,IAAI,UAAU,KAAK,UAAU,EAAE;gBAC3B,IAAI,MAAM,CAAC,YAAY,EAAE;oBACrB,MAAM,CAAC,YAAY,EAAE,CAAC;iBACzB;aACJ;iBAAM;gBACH,UAAU,CAAC;oBACP,kBAAkB,CAAC,UAAU,EAAE,UAAU,GAAG,CAAC,CAAC,CAAC;gBACnD,CAAC,EAAE,aAAa,CAAC,CAAC;aACrB;QACL,CAAC,CAAC;QAEF,KAAK,CAAC,OAAO,GAAG,cAAc,CAAC;QAE/B,EAAE,GAAG,KAAK,CAAC;IACf,CAAC;IAED,IAAI,CAAC,KAAK,GAAG;QACT,OAAO,GAAG,IAAI,CAAC;QACf,EAAE,CAAC,KAAK,EAAE,CAAC;IACf,CAAC,CAAC;IAIF,IAAI,CAAC,UAAU,GAAG,UAAS,MAAM;QAC7B,MAAM,CAAC,KAAK,CAAC,gCAAgC,CAAC,CAAC;QAE/C,IAAI,MAAM,EAAE;YACR,MAAM,CAAC,KAAK,CAAC,4BAA4B,GAAG,MAAM,GAAG,iCAAiC,CAAC,CAAC;YACxF,IAAI,SAAS,GAAG,KAAK,CAAC;YACtB,KAAK,GAAG,2BAA2B,CAAC;YAEpC,oBAAoB,GAAG,IAAI,CAAC;YAE5B,UAAU,CAAC;gBACP,MAAM,CAAC,KAAK,CAAC,8BAA8B,GAAG,SAAS,CAAC,CAAC;gBACzD,KAAK,GAAG,SAAS,CAAC;gBAElB,oBAAoB,GAAG,KAAK,CAAC;YAEjC,CAAC,EAAE,MAAM,CAAC,CAAC;SACd;QAED,EAAE,CAAC,KAAK,EAAE,CAAC;IACf,CAAC,CAAC;IAEF,IAAI,CAAC,WAAW,GAAG;QACf,MAAM,CAAC,KAAK,CAAC,aAAa,CAAC,CAAC;QAC5B,kBAAkB,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC;IACvC,CAAC,CAAC;IAEF,IAAI,CAAC,IAAI,GAAG,UAAS,OAAO;QACxB,EAAE,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;IACrB,CAAC,CAAC;IAEF,IAAI,CAAC,gBAAgB,GAAG,UAAS,IAAI,EAAE,QAAQ;QAC3C,sBAAsB,GAAG;YACrB,EAAE,CAAC,gBAAgB,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;QACxC,CAAC,CAAC;QAEF,sBAAsB,EAAE,CAAC;IAC7B,CAAC,CAAC;AACN,CAAC;AAED,MAAM,CAAC,OAAO,GAAG,yBAAyB,CAAC"}
+{"version":3,"file":"webSocketWithReconnection.js","sourceRoot":"","sources":["../../../../../../src/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/transports/webSocketWithReconnection.js"],"names":[],"mappings":"AAgBA,YAAY,CAAC;AAMb,IAAI,MAAM,GAAG,OAAO,CAAC;AAOrB,IAAI,iBAAiB,GAAG,KAAK,CAAC;AAO9B,IAAI,UAAU,GAAG,CAAC,CAAC;AAOnB,IAAI,IAAI,GAAG,CAAC,CAAC;AAOb,IAAI,OAAO,GAAG,CAAC,CAAC;AAOhB,IAAI,MAAM,GAAG,CAAC,CAAC;AAef,SAAS,yBAAyB,CAAC,MAAM;IAOvC,IAAI,eAAe,GAAG,CAAC,CAAC;IAKxB,IAAI,sBAAsB,CAAC;IAO3B,IAAI,YAAY,GAAG,KAAK,CAAC;IAKzB,IAAI,EAAE,CAAC;IAKP,SAAS,MAAM;QACb,EAAE,CAAC,gBAAgB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;QACtC,IAAI,YAAY,KAAK,IAAI,EAAE;YACzB,sBAAsB,EAAE,CAAC;YACzB,IAAI,MAAM,CAAC,aAAa,EAAE;gBACxB,MAAM,CAAC,aAAa,EAAE,CAAC;aACxB;YACD,YAAY,GAAG,KAAK,CAAC;SACtB;aAAM;YACL,IAAI,MAAM,CAAC,WAAW,EAAE;gBACtB,MAAM,CAAC,WAAW,EAAE,CAAC;aACtB;SACF;QACD,eAAe,GAAG,CAAC,CAAC;IACtB,CAAC;IAOD,SAAS,OAAO,CAAC,KAAK;QACpB,kBAAkB,EAAE,CAAC;QACrB,MAAM,CAAC,GAAG,CACR,yBAAyB,GAAG,KAAK,CAAC,IAAI,GAAG,WAAW,GAAG,KAAK,CAAC,MAAM,CAAC,CAAC;QACvE,IAAI,KAAK,CAAC,IAAI,GAAG,IAAI,EAAE;YACrB,IAAI,MAAM,CAAC,OAAO,EAAE;gBAClB,MAAM,CAAC,OAAO,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;aAC9B;YACD,OAAO;SACR;QAED,IAAI,YAAY,KAAK,KAAK,EAAE;YAC1B,YAAY,GAAG,IAAI,CAAC;YACpB,SAAS,CAAC,GAAG,GAAG,eAAe,CAAC,CAAA;SACjC;IACH,CAAC;IAOD,SAAS,OAAO,CAAC,KAAK;QACpB,kBAAkB,EAAE,CAAC;QACrB,IAAI,MAAM,CAAC,OAAO,EAAE;YAClB,MAAM,CAAC,OAAO,CAAC,+BAA+B,CAAC,CAAC;SACjD;QACD,SAAS,CAAC,GAAG,GAAG,eAAe,CAAC,CAAC;IACnC,CAAC;IASD,SAAS,cAAc,CAAC,MAAM;QAC5B,IAAI,KAAK,CAAC;QACV,IAAI,MAAM,CAAC,SAAS,EAAE;YACpB,KAAK,GAAG,IAAI,MAAM,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;SAChC;aAAM;YACL,KAAK,GAAG,IAAI,SAAS,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;SACnC;QAED,KAAK,CAAC,gBAAgB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;QACvC,KAAK,CAAC,gBAAgB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;QACzC,OAAO,KAAK,CAAC;IACf,CAAC;IAKD,SAAS,kBAAkB;QACzB,EAAE,CAAC,mBAAmB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;QACvC,EAAE,CAAC,mBAAmB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;QACzC,EAAE,CAAC,mBAAmB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;IAC3C,CAAC;IAOD,SAAS,SAAS,CAAC,iBAAiB;QAClC,IAAI,iBAAiB,GAAG,iBAAiB,EAAE;YACzC,IAAI,MAAM,CAAC,OAAO,EAAE;gBAClB,MAAM,CAAC,OAAO,CAAC,0BAA0B,CAAC,CAAA;aAC3C;YACD,OAAO;SACR;QACD,IAAI,MAAM,CAAC,cAAc,EAAE;YACzB,MAAM,CAAC,cAAc,EAAE,CAAC;SACzB;QACD,UAAU,CAAC;YACT,eAAe,EAAE,CAAC;YAClB,EAAE,GAAG,cAAc,CAAC,MAAM,CAAC,CAAC;QAE9B,CAAC,EAAE,iBAAiB,CAAC,CAAA;IACvB,CAAC;IAGD,EAAE,GAAG,cAAc,CAAC,MAAM,CAAC,CAAC;IAK5B,IAAI,CAAC,KAAK,GAAG,UAAU,IAAI,EAAE,MAAM;QACjC,IAAI,EAAE,CAAC,UAAU,GAAG,OAAO,EAAE;YAC3B,EAAE,CAAC,KAAK,CAAC,IAAI,EAAE,MAAM,CAAC,CAAC;SACxB;IACH,CAAC,CAAC;IAOF,IAAI,CAAC,UAAU,GAAG,UAAU,MAAM;QAChC,MAAM,CAAC,KAAK,CAAC,gCAAgC,CAAC,CAAC;QAE/C,IAAI,MAAM,EAAE;YACV,MAAM,CAAC,GAAG,CAAC,4BAA4B,GAAG,MAAM;kBAC5C,iCAAiC,CAAC,CAAC;YACvC,UAAU,CAAC;gBACT,EAAE,CAAC,KAAK,CAAC,IAAI,EAAE,uCAAuC,CAAC,CAAC;YAE1D,CAAC,EAAE,MAAM,CAAC,CAAC;SACZ;aAAM;YACL,EAAE,CAAC,KAAK,CAAC,IAAI,EAAE,0BAA0B,CAAC,CAAC;SAC5C;IAEH,CAAC,CAAC;IAKF,IAAI,CAAC,WAAW,GAAG;QACjB,MAAM,CAAC,GAAG,CAAC,aAAa,CAAC,CAAC;QAC1B,EAAE,CAAC,KAAK,CAAC,IAAI,EAAE,mCAAmC,CAAC,CAAA;IACrD,CAAC,CAAC;IAOF,IAAI,CAAC,IAAI,GAAG,UAAU,OAAO;QAC3B,EAAE,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;IACnB,CAAC,CAAC;IAQF,IAAI,CAAC,gBAAgB,GAAG,UAAU,IAAI,EAAE,QAAQ;QAC9C,sBAAsB,GAAG;YACvB,EAAE,CAAC,gBAAgB,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;QACtC,CAAC,CAAC;QAEF,sBAAsB,EAAE,CAAC;IAC3B,CAAC,CAAC;AACJ,CAAC;AAED,MAAM,CAAC,OAAO,GAAG,yBAAyB,CAAC"}

openvidu-browser/lib/OpenViduInternal/KurentoUtils/kurento-jsonrpc/index.js

@@ -290,7 +290,7 @@ function RpcBuilder(packer, options, transport, onRequest) {
     this.close = function () {
         var transport = this.getTransport();
         if (transport && transport.close)
-            transport.close();
+            transport.close(4003, "Cancel request");
         this.cancel();
         processedResponses.forEach(clearTimeout);
         responses.forEach(function (response) {

openvidu-browser/src/OpenVidu/Connection.ts

@@ -33,6 +33,11 @@ export class Connection {
      */
     connectionId: string;
 
+  /**
+   * RPC session ID.
+   */
+    rpcSessionId: string;
+
     /**
      * Time when this connection was created (UTC milliseconds)
      */
@@ -164,5 +169,4 @@ export class Connection {
         }
         this.disposed = true;
     }
-
 }

openvidu-browser/src/OpenVidu/OpenVidu.ts

@@ -456,6 +456,12 @@ export class OpenVidu {
     this.advancedConfiguration = configuration;
   }
 
+// Only for testing.
+  reconnect():void{
+    console.log("Attempt to test reconnect");
+    this.jsonRpcClient.forceClose();
+  }
+
 
   /* Hidden methods */
 
@@ -636,7 +642,7 @@ export class OpenVidu {
    * @hidden
    */
   closeWs(): void {
-    this.jsonRpcClient.close();
+      this.jsonRpcClient.close(4102, "Connection closed by client");
   }
 
   /**
@@ -678,7 +684,7 @@ export class OpenVidu {
   private disconnectCallback(): void {
     console.warn('Websocket connection lost');
     if (this.isRoomAvailable()) {
-      this.session.onLostConnection();
+      this.session.onLostConnection('Websocket connection lost');
     } else {
       alert('Connection error. Please reload page.');
     }
@@ -686,9 +692,7 @@ export class OpenVidu {
 
   private reconnectingCallback(): void {
     console.warn('Websocket connection lost (reconnecting)');
-    if (this.isRoomAvailable()) {
+    if (!this.isRoomAvailable()) {
-      this.session.onLostConnection();
-    } else {
       alert('Connection error. Please reload page.');
     }
   }
@@ -696,7 +700,16 @@ export class OpenVidu {
   private reconnectedCallback(): void {
     console.warn('Websocket reconnected');
     if (this.isRoomAvailable()) {
+      this.sendRequest("connect", {sessionId: this.session.connection.rpcSessionId}, (error, response)=> {
+        if(error != null){
+          console.error(error);
+          this.session.onLostConnection("Reconnection fault");
+          this.jsonRpcClient.close(4101, "Reconnection fault");
+          return;
+        }
+        this.jsonRpcClient.resetPing();
         this.session.onRecoveredConnection();
+      })
     } else {
       alert('Connection error. Please reload page.');
     }

openvidu-browser/src/OpenVidu/Session.ts

@@ -899,22 +899,10 @@ export class Session implements EventDispatcher {
     /**
      * @hidden
      */
-    onLostConnection(): void {
+    onLostConnection(reason): void {
-
+      console.warn('Lost connection in Session # waiting for reconnect', this.sessionId);
-        /*if (!this.connection) {
-
-            console.warn('Not connected to session: if you are not debugging, this is probably a certificate error');
-
-            const url = 'https://' + this.openvidu.getWsUri().split('wss://')[1].split('/openvidu')[0];
-            if (window.confirm('If you are not debugging, this is probably a certificate error at \"' + url + '\"\n\nClick OK to navigate and accept it')) {
-                location.assign(url + '/accept-certificate');
-            }
-            return;
-        }*/
-
-        console.warn('Lost connection in Session ' + this.sessionId);
         if (!!this.sessionId && !this.connection.disposed) {
-            this.leave(true, 'networkDisconnect');
+            this.leave(true, reason);
         }
     }
 
@@ -1047,6 +1035,7 @@ export class Session implements EventDispatcher {
                             this.connection = new Connection(this);
                             this.connection.connectionId = response.id;
                             this.connection.data = response.metadata;
+                            this.connection.rpcSessionId = response.sessionId;
 
                             // Initialize remote Connections with value returned by openvidu-server
                             const events = {

openvidu-browser/src/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/jsonrpcclient.js

@@ -82,6 +82,12 @@ function JsonRpcClient(configuration) {
             return;
         }
 
+      clearInterval(pingInterval);
+      pingPongStarted = false;
+      enabledPings = false;
+      pingNextNum = -1;
+      rpc.cancel();
+
         status = RECONNECTING;
         if (onreconnecting) {
             onreconnecting();
@@ -96,14 +102,12 @@ function JsonRpcClient(configuration) {
         }
         status = CONNECTED;
 
-        enabledPings = true;
     updateNotReconnectIfLessThan();
-        usePing();
 
     if (onreconnected) {
       onreconnected();
     }
-    }
+  };
 
     wsConfig.onconnected = function() {
         Logger.debug("--------- ONCONNECTED -----------");
@@ -126,6 +130,12 @@ function JsonRpcClient(configuration) {
 
         status = DISCONNECTED;
 
+      clearInterval(pingInterval);
+      pingPongStarted = false;
+      enabledPings = false;
+      pingNextNum = -1;
+      rpc.cancel();
+
         if (onerror) {
             onerror(error);
         }
@@ -239,8 +249,8 @@ function JsonRpcClient(configuration) {
         }
     }
 
-    this.close = function() {
+    this.close = function(code, reason) {
-        Logger.debug("Closing jsonRpcClient explicitly by client");
+        Logger.debug("Closing  with code: "+code+ " because: "+reason);
 
         if (pingInterval != undefined) {
             Logger.debug("Clearing ping interval");
@@ -255,10 +265,10 @@ function JsonRpcClient(configuration) {
                 if (error) {
                     Logger.error("Error sending close message: " + JSON.stringify(error));
                 }
-                ws.close();
+                ws.close(code, reason);
             });
         } else {
-			ws.close();
+			ws.close(code, reason);
         }
     }
 
@@ -270,6 +280,12 @@ function JsonRpcClient(configuration) {
     this.reconnect = function() {
         ws.reconnectWs();
     }
+
+    this.resetPing = function(){
+      enabledPings = true;
+      pingNextNum = 0;
+      usePing();
+  }
 }
 
 

openvidu-browser/src/OpenViduInternal/KurentoUtils/kurento-jsonrpc/clients/transports/webSocketWithReconnection.js

@@ -15,36 +15,53 @@
  */
 
 "use strict";
-
+/**
-var BrowserWebSocket = global.WebSocket || global.MozWebSocket;
+ * GLOBAL VARIABLES:
-
+ *
+ * Logger function.
+ */
 var Logger = console;
 
 /**
- * Get either the `WebSocket` or `MozWebSocket` globals
+ * Max reconnect timeout.
- * in the browser or try to resolve WebSocket-compatible
+ *
- * interface exposed by `ws` for Node-like environment.
+ * @type {number} max reconnect timeout.
  */
+var MAX_RETRY_TIME_MS = 10000;
 
-/*var WebSocket = BrowserWebSocket;
+/**
-if (!WebSocket && typeof window === 'undefined') {
+ * Web socket ready state connecting.
-    try {
+ *
-        WebSocket = require('ws');
+ * @type {number} connecting state.
-    } catch (e) { }
+ */
-}*/
-
-//var SockJS = require('sockjs-client');
-
-var MAX_RETRIES = 2000; // Forever...
-var RETRY_TIME_MS = 3000; // FIXME: Implement exponential wait times...
-
 var CONNECTING = 0;
+
+/**
+ * Web socket ready state open.
+ *
+ * @type {number} open state.
+ */
 var OPEN = 1;
+
+/**
+ * Web socket ready state closing.
+ *
+ * @type {number} closing state.
+ */
 var CLOSING = 2;
+
+/**
+ * Web socket ready state closed.
+ *
+ * @type {number} closed state.
+ */
 var CLOSED = 3;
 
-/*
+/**
-config = {
+ *
+ * Web socket decorator with reconnection.
+ *
+ config = {
 		uri : wsUri,
 		useSockJS : true (use SockJS) / false (use WebSocket) by default,
 		onconnected : callback method to invoke when connection is successful,
@@ -52,186 +69,196 @@ config = {
 		onreconnecting : callback method to invoke when the client is reconnecting,
 		onreconnected : callback method to invoke when the client successfully reconnects,
 	};
-*/
+ */
 function WebSocketWithReconnection(config) {
 
-    var closing = false;
+  /**
+   *  Num of total retries.
+   *
+   * @type {number}
+   */
+  var totalNumRetries = 1;
+
+  /**
+   * Register web socket message handler for registring message handler from RPC.
+   */
   var registerMessageHandler;
-    var wsUri = config.uri;
+
-    var useSockJS = config.useSockJS;
+  /**
+   *  Web socket in reconnection process.
+   *
+   * @type {boolean} reconnection in progress if value is true.
+   */
   var reconnecting = false;
 
-    var forcingDisconnection = false;
+  /**
-
+   * Web socket instance.
+   */
   var ws;
 
-    if (useSockJS) {
+  /**
-        ws = new SockJS(wsUri);
+   * Handles web socket open event.
-    } else {
+   */
-        ws = new WebSocket(wsUri);
+  function onOpen() {
+    ws.addEventListener("close", onClose);
+    if (reconnecting === true) {
+      registerMessageHandler();
+      if (config.onreconnected) {
+        config.onreconnected();
       }
-
+      reconnecting = false;
-    ws.onopen = function() {
+    } else {
-        logConnected(ws, wsUri);
       if (config.onconnected) {
         config.onconnected();
       }
-    };
+    }
+    totalNumRetries = 1;
+  }
 
-    ws.onerror = function(error) {
+  /**
-        Logger.error("Could not connect to " + wsUri + " (invoking onerror if defined)", error);
+   * Handles wWeb socket close event.
+   *
+   * @param event CloseEvent instance.
+   */
+  function onClose(event) {
+    removeAllListeners();
+    Logger.log(
+      "Close Web Socket code: " + event.code + " reason: " + event.reason);
+    if (event.code > 4000) {
       if (config.onerror) {
-            config.onerror(error);
+        config.onerror(event.reason);
       }
-    };
-
-    function logConnected(ws, wsUri) {
-        try {
-            Logger.debug("WebSocket connected to " + wsUri);
-        } catch (e) {
-            Logger.error(e);
-        }
-    }
-
-    var reconnectionOnClose = function() {
-        if (ws.readyState === CLOSED) {
-            if (closing) {
-                Logger.debug("Connection closed by user");
-            } else {
-                Logger.debug("Connection closed unexpectecly. Reconnecting...");
-                reconnectToSameUri(MAX_RETRIES, 1);
-            }
-        } else {
-            Logger.debug("Close callback from previous websocket. Ignoring it");
-        }
-    };
-
-    ws.onclose = reconnectionOnClose;
-
-    function reconnectToSameUri(maxRetries, numRetries) {
-        Logger.debug("reconnectToSameUri (attempt #" + numRetries + ", max=" + maxRetries + ")");
-
-        if (numRetries === 1) {
-            if (reconnecting) {
-                Logger.warn("Trying to reconnectToNewUri when reconnecting... Ignoring this reconnection.")
       return;
-            } else {
-                reconnecting = true;
     }
 
+    if (reconnecting === false) {
+      reconnecting = true;
+      reconnect(500 * totalNumRetries)
+    }
+  }
+
+  /**
+   * Handles web socket error event.
+   *
+   * @param event ErrorEvent instance.
+   */
+  function onError(event) {
+    removeAllListeners();
+    if (config.onerror) {
+      config.onerror("Web socket establishing error");
+    }
+    reconnect(500 * totalNumRetries);
+  }
+
+  /**
+   * Init new instance of Web socket.
+   *
+   * @param config Web socket configuration.
+   *
+   * @returns {WebSocket | SockJS} new web socket instance.
+   */
+  function resetWebSocket(config) {
+    var newWS;
+    if (config.useSockJS) {
+      newWS = new SockJS(config.uri);
+    } else {
+      newWS = new WebSocket(config.uri);
+    }
+
+    newWS.addEventListener("open", onOpen);
+    newWS.addEventListener("error", onError);
+    return newWS;
+  }
+
+  /**
+   *  Removes all Web socket event listeners.
+   */
+  function removeAllListeners() {
+    ws.removeEventListener("open", onOpen);
+    ws.removeEventListener("error", onError);
+    ws.removeEventListener("close", onClose);
+  }
+
+  /**
+   *  Reconnects web socket with timeout.
+   *
+   * @param reconnectInterval reconnection timeout.
+   */
+  function reconnect(reconnectInterval) {
+    if (reconnectInterval > MAX_RETRY_TIME_MS) {
+      if (config.onerror) {
+        config.onerror("Server is not responding")
+      }
+      return;
+    }
     if (config.onreconnecting) {
       config.onreconnecting();
     }
+    setTimeout(function () {
+      totalNumRetries++;
+      ws = resetWebSocket(config);
+
+    }, reconnectInterval)
   }
 
-        if (forcingDisconnection) {
+  // init new web-socket instance.
-            reconnectToNewUri(maxRetries, numRetries, wsUri);
+  ws = resetWebSocket(config);
 
-        } else {
+  /**
-            if (config.newWsUriOnReconnection) {
+   * Closes web-socket connection.
-                config.newWsUriOnReconnection(function(error, newWsUri) {
+   */
-
+  this.close = function (code, reason) {
-                    if (error) {
+    if (ws.readyState < CLOSING) {
-                        Logger.debug(error);
+      ws.close(code, reason);
-                        setTimeout(function() {
-                            reconnectToSameUri(maxRetries, numRetries + 1);
-                        }, RETRY_TIME_MS);
-                    } else {
-                        reconnectToNewUri(maxRetries, numRetries, newWsUri);
-                    }
-                })
-            } else {
-                reconnectToNewUri(maxRetries, numRetries, wsUri);
-            }
-        }
-    }
-
-    // TODO Test retries. How to force not connection?
-    function reconnectToNewUri(maxRetries, numRetries, reconnectWsUri) {
-        Logger.debug("Reconnection attempt #" + numRetries);
-
-        ws.close();
-
-        wsUri = reconnectWsUri || wsUri;
-
-        var newWs;
-        if (useSockJS) {
-            newWs = new SockJS(wsUri);
-        } else {
-            newWs = new WebSocket(wsUri);
-        }
-
-        newWs.onopen = function() {
-            Logger.debug("Reconnected after " + numRetries + " attempts...");
-            logConnected(newWs, wsUri);
-            reconnecting = false;
-            registerMessageHandler();
-            if (config.onreconnected()) {
-                config.onreconnected();
-            }
-
-            newWs.onclose = reconnectionOnClose;
-        };
-
-        var onErrorOrClose = function(error) {
-            Logger.warn("Reconnection error: ", error);
-
-            if (numRetries === maxRetries) {
-                if (config.ondisconnect) {
-                    config.ondisconnect();
-                }
-            } else {
-                setTimeout(function() {
-                    reconnectToSameUri(maxRetries, numRetries + 1);
-                }, RETRY_TIME_MS);
     }
   };
 
-        newWs.onerror = onErrorOrClose;
+  /**
-
+   * This method is only for testing. Simulate closing of web-socket connection.
-        ws = newWs;
+   *
-    }
+   * @param millis timeout in millis
-
+   */
-    this.close = function() {
+  this.forceClose = function (millis) {
-        closing = true;
-        ws.close();
-    };
-
-
-    // This method is only for testing
-    this.forceClose = function(millis) {
     Logger.debug("Testing: Force WebSocket close");
 
     if (millis) {
-            Logger.debug("Testing: Change wsUri for " + millis + " millis to simulate net failure");
+      Logger.log("Testing: Change wsUri for " + millis
-            var goodWsUri = wsUri;
+        + " millis to simulate net failure");
-            wsUri = "wss://21.234.12.34.4:443/";
+      setTimeout(function () {
-
+        ws.close(1000, "Test close for reconnect with timeout");
-            forcingDisconnection = true;
-
-            setTimeout(function() {
-                Logger.debug("Testing: Recover good wsUri " + goodWsUri);
-                wsUri = goodWsUri;
-
-                forcingDisconnection = false;
 
       }, millis);
+    } else {
+      ws.close(1000, "Test close for reconnect");
     }
 
-        ws.close();
   };
 
-    this.reconnectWs = function() {
+  /**
-        Logger.debug("reconnectWs");
+   * Closes web-socket for reconnection.
-        reconnectToSameUri(MAX_RETRIES, 1);
+   */
+  this.reconnectWs = function () {
+    Logger.log("reconnectWs");
+    ws.close(1000, "Close Web socket for reconnection")
   };
 
-    this.send = function(message) {
+  /**
+   * Sends message within websocket.
+   *
+   * @param message some text message.
+   */
+  this.send = function (message) {
     ws.send(message);
   };
 
-    this.addEventListener = function(type, callback) {
+  /**
-        registerMessageHandler = function() {
+   * Adds some event listener.
+   *
+   * @param type      event type
+   * @param callback  event callback.
+   */
+  this.addEventListener = function (type, callback) {
+    registerMessageHandler = function () {
       ws.addEventListener(type, callback);
     };
 

openvidu-browser/src/OpenViduInternal/KurentoUtils/kurento-jsonrpc/index.js

@@ -519,7 +519,7 @@ function RpcBuilder(packer, options, transport, onRequest)
     // Prevent to receive new messages
     var transport = this.getTransport();
     if(transport && transport.close)
-       transport.close();
+       transport.close(4003, "Cancel request");
 
     // Request & processed responses
     this.cancel();

openvidu-browser/src/OpenViduInternal/WebRtcStats/WebRtcStats.ts

@@ -223,7 +223,7 @@ export class WebRtcStats {
                             'exec': instrumentation.exec,
                             'component': instrumentation.component,
                             'stream': 'webRtc',
-                            'type': metricId,
+                            'et_type': metricId,
                             'stream_type': 'composed_metrics',
                             'units': units
                         };
@@ -263,7 +263,7 @@ export class WebRtcStats {
                             'exec': instrumentation.exec,
                             'component': instrumentation.component,
                             'stream': 'webRtc',
-                            'type': metricId,
+                            'et_type': metricId,
                             'stream_type': 'composed_metrics',
                             'units': units
                         };
@@ -317,7 +317,7 @@ export class WebRtcStats {
                                 'exec': instrumentation.exec,
                                 'component': instrumentation.component,
                                 'stream': 'webRtc',
-                                'type': metricId,
+                                'et_type': metricId,
                                 'stream_type': 'composed_metrics',
                                 'units': units
                             };
@@ -351,7 +351,7 @@ export class WebRtcStats {
                                 'exec': instrumentation.exec,
                                 'component': instrumentation.component,
                                 'stream': 'webRtc',
-                                'type': metricId,
+                                'et_type': metricId,
                                 'stream_type': 'composed_metrics',
                                 'units': units
                             };