Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/WebSockets/AspNetWebSocketOptions.cs

@@ -0,0 +1,39 @@
+//------------------------------------------------------------------------------
+// <copyright file="AspNetWebSocketOptions.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.WebSockets {
+    using System;
+    using System.Linq;
+
+    // Specifies configuration settings for a WebSocket connection
+
+    public sealed class AspNetWebSocketOptions {
+
+        private string _subProtocol;
+
+        // Flag specifying whether ASP.NET should check that the URL that initiated
+        // the WebSockets connection corresponds to this server, since WebSockets
+        // (unlike XmlHttpRequest) does not by default have a same-origin restriction.
+        // See comments in WebSocketUtil for more info.
+        public bool RequireSameOrigin { get; set; }
+
+        // Corresponds to the "subprotocol" that will be sent from the server
+        // to the client (see WebSockets spec, Sec. 5.2.2). Set to null (default)
+        // to suppress sending a protocol.
+        public string SubProtocol {
+            get {
+                return _subProtocol;
+            }
+            set {
+                if (value != null && !SubProtocolUtil.IsValidSubProtocolName(value)) {
+                    throw new ArgumentOutOfRangeException("value");
+                }
+                _subProtocol = value;
+            }
+        }
+
+    }
+}