untilise event-gen as wait loop

init.sh

@@ -45,8 +45,12 @@ ip link set up dev $WG_IF
 ip address add $ADDRESS dev $WG_IF
 setup_iptables "A"
 
-while [ -e "/sys/class/net/$WG_IF/operstate" ]; do
- sleep 10
-done
+if [ -e "/usr/bin/wg-event-gen" ]; then
+ /usr/bin/wg-event-gen /var/run/wireguard/$WG_IF.sock 3000
+else
+ while [ -e "/sys/class/net/$WG_IF/operstate" ]; do
+  sleep 10
+ done
+fi 
 
 shutdown