allow specifying channel options when creating a server

src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs

@@ -45,7 +45,7 @@ namespace Grpc.Core.Internal
     internal sealed class ServerSafeHandle : SafeHandleZeroIsInvalid
     {
         [DllImport("grpc_csharp_ext.dll")]
-        static extern ServerSafeHandle grpcsharp_server_create(CompletionQueueSafeHandle cq, IntPtr args);
+        static extern ServerSafeHandle grpcsharp_server_create(CompletionQueueSafeHandle cq, ChannelArgsSafeHandle args);
 
         [DllImport("grpc_csharp_ext.dll")]
         static extern int grpcsharp_server_add_http2_port(ServerSafeHandle server, string addr);
@@ -72,7 +72,7 @@ namespace Grpc.Core.Internal
         {
         }
 
-        public static ServerSafeHandle NewServer(CompletionQueueSafeHandle cq, IntPtr args)
+        public static ServerSafeHandle NewServer(CompletionQueueSafeHandle cq, ChannelArgsSafeHandle args)
         {
             return grpcsharp_server_create(cq, args);
         }

src/csharp/Grpc.Core/Server.cs

@@ -52,9 +52,6 @@ namespace Grpc.Core
         /// </summary>
         public const int PickUnusedPort = 0;
 
-        //readonly OpCompletionDelegate serverShutdownHandler;
-        //readonly OpCompletionDelegate newServerRpcHandler;
-
         readonly ServerSafeHandle handle;
         readonly object myLock = new object();
 
@@ -64,11 +61,16 @@ namespace Grpc.Core
         bool startRequested;
         bool shutdownRequested;
 
-        public Server()
+        /// <summary>
+        /// Create a new server.
+        /// </summary>
+        /// <param name="options">Channel options.</param>
+        public Server(IEnumerable<ChannelOption> options = null)
         {
-            this.handle = ServerSafeHandle.NewServer(GetCompletionQueue(), IntPtr.Zero);
+            using (var channelArgs = ChannelOptions.CreateChannelArgs(options))
-            //this.newServerRpcHandler = HandleNewServerRpc;
+            {
-            //this.serverShutdownHandler = HandleServerShutdown;
+                this.handle = ServerSafeHandle.NewServer(GetCompletionQueue(), channelArgs);
+            }
         }
 
         /// <summary>
@@ -141,8 +143,6 @@ namespace Grpc.Core
                 Preconditions.CheckState(!shutdownRequested);
                 shutdownRequested = true;
             }
-
-            var ctx = BatchContextSafeHandle.Create();
             handle.ShutdownAndNotify(HandleServerShutdown);
             await shutdownTcs.Task;
             handle.Dispose();