Feature: auto service restart

README.md

@@ -95,6 +95,7 @@ var svc = new Service({
   ]
   //, workingDirectory: '...'
   //, allowServiceLogon: true
+  //, autoServiceRestart: true
 });
 
 // Listen for the "install" event, which indicates the
@@ -257,6 +258,18 @@ var svc = new Service({
   dependsOn: ["serviceA"]
 });
 ```
+### Handle service level process death
+
+The service can also be restarted by windows in the event that the underlying wrapper process dies.
+
+```js
+var svc = new Service({
+  name:'Hello World',
+  description: 'The nodejs.org example web server.',
+  script: 'C:\\path\\to\\helloworld.js',
+  autoServiceRestart: true
+});
+```
 
 ### Cleaning Up: Uninstall a Service
 

example/install.js

@@ -10,7 +10,8 @@ var svc = new Service({
   env:{
     name: "NODE_ENV",
     value: "production"
-  }
+  },
+  autoServiceRestart: false
 });
 
 // Listen for the "install" event, which indicates the

example/package.json

@@ -1,5 +1,5 @@
 {
   "dependencies": {
-    "node-windows": "^1.0.0-beta.7"
+    "node-windows": "^1.0.0-beta.8"
   }
 }

lib/daemon.js

@@ -130,6 +130,7 @@ var daemon = function (config) {
           workingdirectory: this.workingdirectory,
           stopparentfirst: this.stopparentfirst,
           stoptimeout: this.stoptimeout,
+          autoServiceRestart: this.autoServiceRestart,
           logmode: this.logmode,
           logging: config.logging,
           allowServiceLogon: config.allowServiceLogon,
@@ -339,6 +340,14 @@ var daemon = function (config) {
       value: config.description || ''
     },
 
+    // setup as a restarting node service
+    autoServiceRestart: {
+      enumerable: true,
+      writable: false,
+      configurable: false,
+      value: config.autoServiceRestart || false
+    },
+
     /**
      * @property {Object} [user]
      * If you need to specify a specific user or particular credentials to manage a service, the following

lib/winsw.js

@@ -143,6 +143,11 @@ console.log({loc: 'winsw.js ~line 77', xml, config})
       }
     }
 
+    if(config.autoServiceRestart) {
+      // add <onfailure action="restart" delay="10 sec"/>
+      xml.push({onfailure: [{ _attr: { action: 'restart', delay: '10 sec' }}]});
+    }
+
     // if no working directory specified, use current working directory
     // that this process was launched with
     xml.push({workingdirectory: config.workingdirectory || process.cwd()});

lib/wrapper.js

@@ -99,13 +99,8 @@ if (typeof argv.m === 'string') {
 // Set the absolute path of the file
 argv.f = p.resolve(argv.f);
 
-// Hack to force the wrapper process to stay open by launching a ghost socket server
-var server = net.createServer().listen();
-
-server.on('error', function (err) {
-  launch('warn', err.message);
-  server = net.createServer().listen();
-});
+// Force the wrapper process to stay open by creating a heartbeat
+setInterval(() => {}, 86400000);
 
 /**
  * @method monitor
@@ -212,7 +207,9 @@ process.on("SIGINT", killkid);
 process.on("SIGTERM", killkid);
 
 process.on('uncaughtException', function (err) {
-  launch('warn', err.message);
+  console.log('node-windows Wrapper service: process uncaught exception:');
+  console.log(err);
+  process.exit(1);
 });
 
 // Launch the process

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-windows",
-  "version": "1.0.0-beta.8",
+  "version": "1.0.0-beta.9",
   "description": "Support for Windows services, event logging, UAC, and several helper methods for interacting with the OS.",
   "keywords": [
     "ngn",