* refactor: make shutdown a template method in the same manner as startup, for consistency's sake

OpenSim/Framework/Servers/BaseOpenSimServer.cs

@@ -99,6 +99,11 @@ namespace OpenSim.Framework.Servers
         /// Must be overriden by child classes for their own server specific startup behaviour.
         /// </summary>
         protected abstract void StartupSpecific();
+        
+        /// <summary>
+        /// Should be overriden and referenced by descendents if they need to perform extra shutdown processing
+        /// </summary>      
+        protected virtual void ShutdownSpecific() {}
 
         /// <summary>
         /// Print statistics to the logfile, if they are active
@@ -222,11 +227,13 @@ namespace OpenSim.Framework.Servers
 
         /// <summary>
         /// Should be overriden and referenced by descendents if they need to perform extra shutdown processing
-        /// </summary>
+        /// </summary>      
         public virtual void Shutdown()
         {
+            ShutdownSpecific();
+            
             m_log.Info("[SHUTDOWN]: Shutdown processing on main thread complete.  Exiting...");
-
+            
             Environment.Exit(0);
         }
 

OpenSim/Grid/GridServer/GridServerBase.cs

@@ -167,11 +167,9 @@ namespace OpenSim.Grid.GridServer
             */
         }
 
-        public override void Shutdown()
+        protected override void ShutdownSpecific()
         {
             foreach (IGridPlugin plugin in m_plugins) plugin.Dispose();
-
-            base.Shutdown();
         }
     }
 }

OpenSim/Grid/MessagingServer/Main.cs

@@ -160,11 +160,9 @@ namespace OpenSim.Grid.MessagingServer
             m_console.Notice("clear-cache - Clears region cache.  Should be done when regions change position.  The region cache gets stale after a while.");
         }
 
-        public override void Shutdown()
+        protected override void ShutdownSpecific()
         {
             msgsvc.deregisterWithUserServer();
-
-            base.Shutdown();
         }
     }
 }

OpenSim/Grid/UserServer/Main.cs

@@ -392,11 +392,9 @@ namespace OpenSim.Grid.UserServer
             
         }
 
-        public override void Shutdown()
+        protected override void ShutdownSpecific()
         {
             m_loginService.OnUserLoggedInAtLocation -= NotifyMessageServersUserLoggedInToLocation;
-          
-            base.Shutdown();
         }
 
         public void TestResponse(List<InventoryFolderBase> resp)

OpenSim/Region/Application/OpenSimBase.cs

@@ -734,7 +734,7 @@ namespace OpenSim
         /// <summary>
         /// Performs any last-minute sanity checking and shuts down the region server
         /// </summary>
-        public override void Shutdown()
+        protected override void ShutdownSpecific()
         {
             if (proxyUrl.Length > 0)
             {
@@ -755,8 +755,6 @@ namespace OpenSim
             {
                 m_log.ErrorFormat("[SHUTDOWN]: Ignoring failure during shutdown - {0}", e);
             }
-
-            base.Shutdown();
         }
 
         /// <summary>