ping pong

Eric Fernandez
1 parent d9d4c20d43
Showing 1 changed file with 17 additions and 0 deletions Show diff stats
webSocketServer/index.js
@@ -9,9 +9,17 @@ module.exports = function() {
     port: config.port
   });
  
+  function noop() {}
+
+  function heartbeat() {
+    this.isAlive = true;
+  }
+
   objWs.wsServer.on('connection', function connection(ws) {
  
     console.log('open socket server');
+    ws.isAlive = true;
+    ws.on('pong', heartbeat);
  
     ws.on('message', function incoming(message) {
  
@@ -27,6 +35,15 @@ module.exports = function() {
     });
   });
  
+  const interval = setInterval(function ping() {
+    objWs.wsServer.clients.forEach(function each(ws) {
+      if (ws.isAlive === false) return ws.terminate();
+  
+      ws.isAlive = false;
+      ws.ping(noop);
+    });
+  }, 10000);
+
   objWs.getEntidad = function(gln, tableName, where, queryString) {
  
     return new Promise(function(resolve, reject) {
...	...	@@ -9,9 +9,17 @@ module.exports = function() {
9	9	port: config.port
10	10	});
11	11
	12	+ function noop() {}
	13	+
	14	+ function heartbeat() {
	15	+ this.isAlive = true;
	16	+ }
	17	+
12	18	objWs.wsServer.on('connection', function connection(ws) {
13	19
14	20	console.log('open socket server');
	21	+ ws.isAlive = true;
	22	+ ws.on('pong', heartbeat);
15	23
16	24	ws.on('message', function incoming(message) {
17	25
...	...	@@ -27,6 +35,15 @@ module.exports = function() {
27	35	});
28	36	});
29	37
	38	+ const interval = setInterval(function ping() {
	39	+ objWs.wsServer.clients.forEach(function each(ws) {
	40	+ if (ws.isAlive === false) return ws.terminate();
	41	+
	42	+ ws.isAlive = false;
	43	+ ws.ping(noop);
	44	+ });
	45	+ }, 10000);
	46	+
30	47	objWs.getEntidad = function(gln, tableName, where, queryString) {
31	48
32	49	return new Promise(function(resolve, reject) {