Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/Activation/TcpDuplicateContext.cs

@@ -0,0 +1,34 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+
+namespace System.ServiceModel.Activation
+{
+    using System;
+    using System.IO;
+    using System.Runtime.Serialization;
+    using System.Net;
+    using System.Net.Sockets;
+
+    [DataContract]
+    [KnownType(typeof(IPEndPoint))]
+    class TcpDuplicateContext : DuplicateContext
+    {
+        [DataMember]
+        SocketInformation socketInformation;
+
+        public TcpDuplicateContext(SocketInformation socketInformation, Uri via, byte[] readData)
+            : base(via, readData)
+        {
+            this.socketInformation = socketInformation;
+        }
+
+        public SocketInformation SocketInformation
+        {
+            get
+            {
+                return this.socketInformation;
+            }
+        }
+    }
+}