From 7d75e2f430aec2db97f56b074433857ccdc5e7c9 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sun, 20 Dec 2020 16:58:12 +0530
Subject: [PATCH] StatsManager: added ReloadStats() method.

---
 DnsServerCore/Dns/StatsManager.cs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/DnsServerCore/Dns/StatsManager.cs b/DnsServerCore/Dns/StatsManager.cs
index e1c06776..2be46662 100644
--- a/DnsServerCore/Dns/StatsManager.cs
+++ b/DnsServerCore/Dns/StatsManager.cs
@@ -466,10 +466,26 @@ namespace DnsServerCore.Dns
             }
         }
 
+        private void Flush()
+        {
+            //clear in memory stats
+            for (int i = 0; i < _lastHourStatCountersCopy.Length; i++)
+                _lastHourStatCountersCopy[i] = null;
+
+            _hourlyStatsCache.Clear();
+            _dailyStatsCache.Clear();
+        }
+
         #endregion
 
         #region public
 
+        public void ReloadStats()
+        {
+            Flush();
+            LoadLastHourStats();
+        }
+
         public void DeleteAllStats()
         {
             foreach (string hourlyStatsFile in Directory.GetFiles(Path.Combine(_dnsServer.ConfigFolder, "stats"), "*.stat", SearchOption.TopDirectoryOnly))
@@ -482,11 +498,7 @@ namespace DnsServerCore.Dns
                 File.Delete(dailyStatsFile);
             }
 
-            for (int i = 0; i < _lastHourStatCountersCopy.Length; i++)
-                _lastHourStatCountersCopy[i] = null;
-
-            _hourlyStatsCache.Clear();
-            _dailyStatsCache.Clear();
+            Flush();
         }
 
         public void Update(DnsDatagram response, IPAddress clientIpAddress)