From b90c1c8a970574e671e4636d997f037d35fd2b3c Mon Sep 17 00:00:00 2001
From: Sebastian Hildebrandt <hildebrandt@plus-innovations.com>
Date: Sun, 23 Jun 2019 17:22:57 +0200
Subject: [PATCH] default interface name windows optimization

---
 lib/network.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/lib/network.js b/lib/network.js
index 1eb6314..c1893f9 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -59,6 +59,23 @@ function getDefaultNetworkInterface() {
     }
   }
   ifacename = ifacename || ifacenameFirst || '';
+
+  if (_windows) {
+    // https://www.inetdaemon.com/tutorials/internet/ip/routing/default_route.shtml
+    const cmd = 'netstat -r';
+    const result = execSync(cmd);
+    const lines = result.toString().split(os.EOL)[0];
+    const defaultIp = util.getValue('Default Gateway', lines, ':');
+    for (let dev in ifaces) {
+      if (ifaces.hasOwnProperty(dev)) {
+        ifaces[dev].forEach(function (details) {
+          if (details && details.address && details.address === defaultIp) {
+            ifacename = dev;
+          }
+        });
+      }
+    }
+  }
   if (_linux || _darwin || _freebsd || _openbsd || _netbsd || _sunos) {
     let cmd = '';
     if (_linux) cmd = 'ip route 2> /dev/null | grep default | awk \'{print $5}\'';