Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Hosting/AppDomainProtocolHandler.cs

@@ -0,0 +1,39 @@
+//------------------------------------------------------------------------------
+// <copyright file="AppDomainProtocolHandler.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.Hosting {
+    using System;
+    using System.Security.Permissions;
+
+    public abstract class AppDomainProtocolHandler : MarshalByRefObject, IRegisteredObject  {
+
+        protected AppDomainProtocolHandler() {
+            HostingEnvironment.RegisterObject(this);
+        }
+ 
+
+        [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.Infrastructure)]	
+        public override Object InitializeLifetimeService(){
+            return null; // never expire lease
+        }
+ 
+
+        public abstract void StartListenerChannel(IListenerChannelCallback listenerChannelCallback);
+
+
+        public abstract void StopListenerChannel(int listenerChannelId, bool immediate);
+
+
+        public abstract void StopProtocol(bool immediate);
+ 
+
+        public virtual void Stop(bool immediate) {
+            StopProtocol(true);
+            HostingEnvironment.UnregisterObject(this);
+        }
+    }
+}
+