Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Examples.MathServer/MathServer.cs

Index: third_party/grpc/src/csharp/Grpc.Examples.MathServer/MathServer.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs b/third_party/grpc/src/csharp/Grpc.Examples.MathServer/MathServer.cs
similarity index 66%
copy from third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs
copy to third_party/grpc/src/csharp/Grpc.Examples.MathServer/MathServer.cs
index 77447afa127340046298081d9bfca4dd51c14f6c..6e974a08710cd64e8dd7870a06d45d05c9f6cd74 100644
--- a/third_party/protobuf/csharp/src/Google.Protobuf.Test/SampleEnum.cs
+++ b/third_party/grpc/src/csharp/Grpc.Examples.MathServer/MathServer.cs
@@ -1,7 +1,6 @@
 #region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2015 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// Copyright 2015, Google Inc.
+// All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -29,14 +28,34 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endregion
-    
-namespace Google.Protobuf
+
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+using Grpc.Core;
+
+namespace Math
 {
-    // Just a sample enum with positive and negative values to be used in tests.
-    internal enum SampleEnum
+    class MainClass
     {
-        NegativeValue = -2,
-        None = 0,
-        PositiveValue = 3
+        const string Host = "0.0.0.0";
+        const int Port = 23456;
+
+        public static void Main(string[] args)
+        {
+            Server server = new Server
+            {
+                Services = { Math.BindService(new MathServiceImpl()) },
+                Ports = { { Host, Port, ServerCredentials.Insecure } }
+            };
+            server.Start();
+
+            Console.WriteLine("MathServer listening on port " + Port);
+
+            Console.WriteLine("Press any key to stop the server...");
+            Console.ReadKey();
+
+            server.ShutdownAsync().Wait();
+        }
     }
 }