Show an error when local network unavailable

manvalls · Mar 15, 2020 · 9639a2e · 9639a2e
1 parent ea39e6b
commit 9639a2e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/main.go b/main.go
@@ -54,6 +54,10 @@ func main() {
 	filePath := os.Args[1]
 	fileName := filepath.Base(filePath)
 	ip := getIP()
+	if ip == "" {
+		showError("Could not find LAN address")
+		return
+	}
 
 	ln, err := net.Listen("tcp", ip+":0")
 	if err != nil {