Heartbeat debug.

client/connection.js

@@ -17,6 +17,10 @@ const Connection = function() {
         this.connect(); 
     });
 
+    document.addEventListener('G-heartbeat', () => {
+        this.heartbeat();
+    });
+
     document.addEventListener('L-newround', () => this.send({ type: 'newround' }) );
 
     document.addEventListener('L-objective', () => this.send({ type: 'objective' }) );
@@ -49,13 +53,16 @@ Connection.prototype.send = function(json) {
     }
 };
 
+Connection.prototype.heartbeat = function() {
+    setTimeout(this.send.bind(this, { type: 'heartbeat' }), 30000);
+};
+
 //===== Connection event handlers
 
 Connection.prototype.onOpen = function() {
     this.retryCounter = 0;
 
-    clearTimeout(this.heartbeatTimer);
-    this.heartbeatTimer = setTimeout(() => { this.ws.send({ type: 'heartbeat' }); }, 30000);
+    this.heartbeat();
 
     const evt = new Event('L-conn-open');
     document.dispatchEvent(evt);
@@ -95,6 +102,7 @@ Connection.prototype.onReceiveMessage = function({ data }) {
         case 'connected': eventName = 'G-connected'; break;
         case 'countdown': eventName = 'G-countdown'; break;
         case 'full': eventName = 'G-full'; break;
+        case 'heartbeat': eventName = 'G-heartbeat'; break;
         case 'newround': eventName = 'G-newround'; break;
         case 'objective': eventName = 'G-objective'; break;
         case 'players':  eventName = 'G-players'; break;

server/ricochet.js

@@ -248,7 +248,7 @@ Ricochet.prototype.onMessage = function(ws, rawBody) {
 };
 
 //===== Message handlers
-Ricochet.prototype.msgHeartbeat = function() {
+Ricochet.prototype.msgHeartbeat = function(ws) {
     this.messenger.messageOne(ws, { type: 'heartbeat' });
 };