revert ping changes for HA

to address #662

io/ping/88-ping.js

@@ -4,7 +4,7 @@ module.exports = function(RED) {
     var spawn = require("child_process").spawn;
     var plat = require("os").platform();
 
-    function doPing(node, host, arrayMode){
+    function doPing(node, host, arrayMode) {
         const defTimeout = 5000;
         var ex, hostOptions, commandLineOptions;
         if (typeof host === "string") {
@@ -43,12 +43,9 @@ module.exports = function(RED) {
         var spawnTout = setTimeout(() => {
             node.log(`ping - Host '${hostOptions.host}' process timeout - sending SIGINT`)
             try {
-                if (ex && ex.pid) { 
-                    ex.removeAllListeners();
-                    ex.kill("SIGINT"); 
+                if (ex && ex.pid) { ex.kill("SIGINT"); }
             }
-            } 
-            catch(e) { console.warn(e) }
+            catch(e) {console.warn(e); }
         }, hostOptions.timeout+1000); //add 1s for grace
 
         var res = false;
@@ -56,11 +53,9 @@ module.exports = function(RED) {
         var fail = false;
         //var regex = /from.*time.(.*)ms/;
         var regex = /=.*[<|=]([0-9]*).*TTL|ttl..*=([0-9\.]*)/;
-        if (ex && ex.hasOwnProperty("stdout")) {
         ex.stdout.on("data", function (data) {
             line += data.toString();
         });
-        }
         ex.on("exit", function (err) {
             clearTimeout(spawnTout);
         });
@@ -99,7 +94,7 @@ module.exports = function(RED) {
         function generatePingList(str) {
             return (str + "").split(",").map((e) => (e + "").trim()).filter((e) => e != "");
         }
-        function clearPingInterval(){
+        function clearPingInterval() {
             if (node.tout) { clearInterval(node.tout); }
         }
 

io/ping/package.json

@@ -1,6 +1,6 @@
 {
     "name"          : "node-red-node-ping",
-    "version"       : "0.2.1",
+    "version"       : "0.2.2",
     "description"   : "A Node-RED node to ping a remote server, for use as a keep-alive check.",
     "dependencies"  : {
     },