1 files changed, 25 insertions, 0 deletions
diff --git a/src/csharp/GrpcCore/ServerCalls.cs b/src/csharp/GrpcCore/ServerCalls.cs
new file mode 100644
index 0000000000..86c4718932
--- /dev/null
+++ b/src/csharp/GrpcCore/ServerCalls.cs
@@ -0,0 +1,25 @@
+using System;
+
+namespace Google.GRPC.Core
+{
+    // TODO: perhaps add also serverSideStreaming and clientSideStreaming
+
+    public delegate void UnaryRequestServerMethod<TRequest, TResponse> (TRequest request, IObserver<TResponse> responseObserver);
+
+    public delegate IObserver<TRequest> StreamingRequestServerMethod<TRequest, TResponse> (IObserver<TResponse> responseObserver);
+
+    internal static class ServerCalls {
+
+        public static IServerCallHandler UnaryRequestCall<TRequest, TResponse>(Method<TRequest, TResponse> method, UnaryRequestServerMethod<TRequest, TResponse> handler)
+        {
+            return new UnaryRequestServerCallHandler<TRequest, TResponse>(method, handler);
+        }
+
+        public static IServerCallHandler StreamingRequestCall<TRequest, TResponse>(Method<TRequest, TResponse> method, StreamingRequestServerMethod<TRequest, TResponse> handler)
+        {
+            return new StreamingRequestServerCallHandler<TRequest, TResponse>(method, handler);
+        }
+
+    }
+}
+