dns server code refactoring done.

DnsServerCore/Dns/RecursiveQueryLock.cs

@@ -0,0 +1,56 @@
+/*
+Technitium DNS Server
+Copyright (C) 2019  Shreyas Zare (shreyas@technitium.com)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+using TechnitiumLibrary.Net.Dns;
+
+namespace DnsServerCore.Dns
+{
+    class RecursiveQueryLock
+    {
+        #region variables
+
+        bool _complete;
+        DnsDatagram _response;
+
+        #endregion
+
+        #region public
+
+        public void SetComplete(DnsDatagram response)
+        {
+            if (!_complete)
+            {
+                _complete = true;
+                _response = response;
+            }
+        }
+
+        #endregion
+
+        #region properties
+
+        public bool Complete
+        { get { return _complete; } }
+
+        public DnsDatagram Response
+        { get { return _response; } }
+
+        #endregion
+    }
+}