reconnecting websockets

quiz.js

@@ -49,16 +49,19 @@ function loadQuizData(done) {
            });
 }
 
+var ws, sendToBackend, onBackendMessage;
+function setupWs() {
     var url = 'ws://' + document.location.host + '/';
-var ws = new WebSocket(url, '*');
+    ws = new WebSocket(url, '*');
 
     ws.onerror = function(e) {
 	console.error(e.message);
+	setupWs();
     };
     ws.onclose = function() {
 	console.error('WebSocket closed');
+	setupWs();
     };
-var onBackendMessage;
     ws.onmessage = function(data) {
 	try {
 	    console.log('fromBackend: ' + data);
@@ -69,7 +72,7 @@ ws.onmessage = function(data) {
 	    console.error(e.message);
 	}
     };
-var sendToBackend = function(msg) {
+    sendToBackend = function(msg) {
 	console.log('toBackend: ' + JSON.stringify(msg));
 	ws.send(JSON.stringify(msg));
     };
@@ -77,6 +80,8 @@ ws.onopen = function() {
 	/* TODO: rm debug */
 	sendToBackend({ nedap: "ping" });
     };
+}
+setupWs();
 
 
 function Timer() {

server.js

@@ -5,16 +5,20 @@ var wsc = require('websocket-client');
 var frontend;
 
 /* TODO: url */
-var nedap = new wsc.WebSocket('ws://localhost:8080/', 'quiz-nedap');
+var nedap;
+function connectNedap() {
+    nedap = new wsc.WebSocket('ws://localhost:8080/', 'quiz-nedap');
     nedap.onopen = function() {
 	console.log('NEDAP opened');
 	nedap.send('nedap-kneemFothbedchoadHietEnobKavLub1');
     };
     nedap.onclose = function() {
 	console.log('NEDAP closed');
+	connectNedap();
     };
     nedap.onerror = function(e) {
 	console.log('NEDAP error: ' + e.message);
+	connectNedap();
     };
     nedap.onmessage = function(data) {
 	try {
@@ -25,6 +29,8 @@ nedap.onmessage = function(data) {
 	    console.error(e.stack);
 	}
     };
+}
+connectNedap();
 
 var server = Connect.createServer(
     Connect.logger(),