From 7f9d4fa063a074fb66cf6aa489cf79c392260633 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 13 Jun 2020 17:27:55 +0530
Subject: [PATCH] AuthZoneInfo: implemented RefreshZone() method to allow
 refreshing secondary & stub zones.

---
 DnsServerCore/Dns/Zones/AuthZoneInfo.cs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/DnsServerCore/Dns/Zones/AuthZoneInfo.cs b/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
index c09b9772..8ca2df78 100644
--- a/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
+++ b/DnsServerCore/Dns/Zones/AuthZoneInfo.cs
@@ -125,6 +125,26 @@ namespace DnsServerCore.Dns.Zones
             return _zone.GetRecords(type);
         }
 
+        public void RefreshZone()
+        {
+            if (_zone == null)
+                throw new InvalidOperationException();
+
+            switch (_type)
+            {
+                case AuthZoneType.Secondary:
+                    (_zone as SecondaryZone).RefreshZone();
+                    break;
+
+                case AuthZoneType.Stub:
+                    (_zone as StubZone).RefreshZone();
+                    break;
+
+                default:
+                    throw new InvalidOperationException();
+            }
+        }
+
         public void WriteTo(BinaryWriter bW)
         {
             if (_zone == null)