fix: Fix stop() to poweroff instead of saving state

feat: saveState() to save state of vm (renamed old functionality)

Author: ssmirr

lib/VBoxProvider.js

@@ -361,7 +361,7 @@ class VBoxProvider {
         })
     }
 
-    async stop(name) {
+    async saveState(name) {
         return new Promise(function (resolve, reject) {   
             exec(`${VBexe} controlvm ${name} savestate`, (error, stdout, stderr) => {
                 if(error && stderr.indexOf('VBOX_E_OBJECT_NOT_FOUND') == -1) {
@@ -374,6 +374,19 @@ class VBoxProvider {
         });
     }
 
+    async stop(name) {
+        return new Promise(function (resolve, reject) {   
+            exec(`${VBexe} controlvm ${name} poweroff soft`, (error, stdout, stderr) => {
+                if(error && stderr.indexOf('VBOX_E_OBJECT_NOT_FOUND') == -1) {
+                    console.error(`exec error: stop`);
+                    console.error(`=> ${error}, ${stderr}`);
+                    reject(error);
+                }
+                resolve("");
+            });
+        });
+    }
+
     async delete(name) {
         return new Promise(function (resolve, reject) {   
             exec(`${VBexe} unregistervm ${name} --delete`, (error, stdout, stderr) => {