diff --git a/test/netstd/Server/TestServer.cs b/test/netstd/Server/TestServer.cs
new file mode 100644
index 0000000..8a7410f
--- /dev/null
+++ b/test/netstd/Server/TestServer.cs
@@ -0,0 +1,595 @@
+// Licensed to the Apache Software Foundation(ASF) under one
+// or more contributor license agreements.See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Authentication;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using Thrift;
+using Thrift.Collections;
+using Thrift.Processor;
+using Thrift.Protocol;
+using Thrift.Server;
+using Thrift.Transport;
+using Thrift.Transport.Server;
+
+namespace ThriftTest
+{
+    internal class ServerParam
+    {
+        internal bool useBufferedSockets = false;
+        internal bool useFramed = false;
+        internal bool useEncryption = false;
+        internal bool compact = false;
+        internal bool json = false;
+        internal int port = 9090;
+        internal string pipe = null;
+
+        internal void Parse(List<string> args)
+        {
+            for (var i = 0; i < args.Count; i++)
+            {
+                if (args[i].StartsWith("--pipe="))
+                {
+                    pipe = args[i].Substring(args[i].IndexOf("=") + 1);
+                }
+                else if (args[i].StartsWith("--port="))
+                {
+                    port = int.Parse(args[i].Substring(args[i].IndexOf("=") + 1));
+                }
+                else if (args[i] == "-b" || args[i] == "--buffered" || args[i] == "--transport=buffered")
+                {
+                    useBufferedSockets = true;
+                }
+                else if (args[i] == "-f" || args[i] == "--framed" || args[i] == "--transport=framed")
+                {
+                    useFramed = true;
+                }
+                else if (args[i] == "--binary" || args[i] == "--protocol=binary")
+                {
+                    // nothing needed
+                }
+                else if (args[i] == "--compact" || args[i] == "--protocol=compact")
+                {
+                    compact = true;
+                }
+                else if (args[i] == "--json" || args[i] == "--protocol=json")
+                {
+                    json = true;
+                }
+                else if (args[i] == "--threaded" || args[i] == "--server-type=threaded")
+                {
+                    throw new NotImplementedException(args[i]);
+                }
+                else if (args[i] == "--threadpool" || args[i] == "--server-type=threadpool")
+                {
+                    throw new NotImplementedException(args[i]);
+                }
+                else if (args[i] == "--prototype" || args[i] == "--processor=prototype")
+                {
+                    throw new NotImplementedException(args[i]);
+                }
+                else if (args[i] == "--ssl")
+                {
+                    useEncryption = true;
+                }
+                else
+                {
+                    //throw new ArgumentException(args[i]);
+                }
+            }
+
+        }
+    }
+
+    public class TestServer
+    {
+        public static int _clientID = -1;
+        public delegate void TestLogDelegate(string msg, params object[] values);
+
+        public class MyServerEventHandler : TServerEventHandler
+        {
+            public int callCount = 0;
+
+            public Task PreServeAsync(CancellationToken cancellationToken)
+            {
+                callCount++;
+                return Task.CompletedTask;
+            }
+
+            public Task<object> CreateContextAsync(TProtocol input, TProtocol output, CancellationToken cancellationToken)
+            {
+                callCount++;
+                return Task.FromResult<object>(null);
+            }
+
+            public Task DeleteContextAsync(object serverContext, TProtocol input, TProtocol output, CancellationToken cancellationToken)
+            {
+                callCount++;
+                return Task.CompletedTask;
+            }
+
+            public Task ProcessContextAsync(object serverContext, TTransport transport, CancellationToken cancellationToken)
+            {
+                callCount++;
+                return Task.CompletedTask;
+            }
+        }
+
+        public class TestHandlerAsync : ThriftTest.IAsync
+        {
+            public TServer server { get; set; }
+            private int handlerID;
+            private StringBuilder sb = new StringBuilder();
+            private TestLogDelegate logger;
+
+            public TestHandlerAsync()
+            {
+                handlerID = Interlocked.Increment(ref _clientID);
+                logger += testConsoleLogger;
+                logger.Invoke("New TestHandler instance created");
+            }
+
+            public void testConsoleLogger(string msg, params object[] values)
+            {
+                sb.Clear();
+                sb.AppendFormat("handler{0:D3}:", handlerID);
+                sb.AppendFormat(msg, values);
+                sb.AppendLine();
+                Console.Write(sb.ToString());
+            }
+
+            public Task testVoidAsync(CancellationToken cancellationToken)
+            {
+                logger.Invoke("testVoid()");
+                return Task.CompletedTask;
+            }
+
+            public Task<string> testStringAsync(string thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testString({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<bool> testBoolAsync(bool thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testBool({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<sbyte> testByteAsync(sbyte thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testByte({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<int> testI32Async(int thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testI32({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<long> testI64Async(long thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testI64({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<double> testDoubleAsync(double thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testDouble({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<byte[]> testBinaryAsync(byte[] thing, CancellationToken cancellationToken)
+            {
+                var hex = BitConverter.ToString(thing).Replace("-", string.Empty);
+                logger.Invoke("testBinary({0:X})", hex);
+                return Task.FromResult(thing);
+            }
+
+            public Task<Xtruct> testStructAsync(Xtruct thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testStruct({{\"{0}\", {1}, {2}, {3}}})", thing.String_thing, thing.Byte_thing, thing.I32_thing, thing.I64_thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<Xtruct2> testNestAsync(Xtruct2 nest, CancellationToken cancellationToken)
+            {
+                var thing = nest.Struct_thing;
+                logger.Invoke("testNest({{{0}, {{\"{1}\", {2}, {3}, {4}, {5}}}}})",
+                    nest.Byte_thing,
+                    thing.String_thing,
+                    thing.Byte_thing,
+                    thing.I32_thing,
+                    thing.I64_thing,
+                    nest.I32_thing);
+                return Task.FromResult(nest);
+            }
+
+            public Task<Dictionary<int, int>> testMapAsync(Dictionary<int, int> thing, CancellationToken cancellationToken)
+            {
+                sb.Clear();
+                sb.Append("testMap({{");
+                var first = true;
+                foreach (var key in thing.Keys)
+                {
+                    if (first)
+                    {
+                        first = false;
+                    }
+                    else
+                    {
+                        sb.Append(", ");
+                    }
+                    sb.AppendFormat("{0} => {1}", key, thing[key]);
+                }
+                sb.Append("}})");
+                logger.Invoke(sb.ToString());
+                return Task.FromResult(thing);
+            }
+
+            public Task<Dictionary<string, string>> testStringMapAsync(Dictionary<string, string> thing, CancellationToken cancellationToken)
+            {
+                sb.Clear();
+                sb.Append("testStringMap({{");
+                var first = true;
+                foreach (var key in thing.Keys)
+                {
+                    if (first)
+                    {
+                        first = false;
+                    }
+                    else
+                    {
+                        sb.Append(", ");
+                    }
+                    sb.AppendFormat("{0} => {1}", key, thing[key]);
+                }
+                sb.Append("}})");
+                logger.Invoke(sb.ToString());
+                return Task.FromResult(thing);
+            }
+
+            public Task<THashSet<int>> testSetAsync(THashSet<int> thing, CancellationToken cancellationToken)
+            {
+                sb.Clear();
+                sb.Append("testSet({{");
+                var first = true;
+                foreach (int elem in thing)
+                {
+                    if (first)
+                    {
+                        first = false;
+                    }
+                    else
+                    {
+                        sb.Append(", ");
+                    }
+                    sb.AppendFormat("{0}", elem);
+                }
+                sb.Append("}})");
+                logger.Invoke(sb.ToString());
+                return Task.FromResult(thing);
+            }
+
+            public Task<List<int>> testListAsync(List<int> thing, CancellationToken cancellationToken)
+            {
+                sb.Clear();
+                sb.Append("testList({{");
+                var first = true;
+                foreach (var elem in thing)
+                {
+                    if (first)
+                    {
+                        first = false;
+                    }
+                    else
+                    {
+                        sb.Append(", ");
+                    }
+                    sb.AppendFormat("{0}", elem);
+                }
+                sb.Append("}})");
+                logger.Invoke(sb.ToString());
+                return Task.FromResult(thing);
+            }
+
+            public Task<Numberz> testEnumAsync(Numberz thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testEnum({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<long> testTypedefAsync(long thing, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testTypedef({0})", thing);
+                return Task.FromResult(thing);
+            }
+
+            public Task<Dictionary<int, Dictionary<int, int>>> testMapMapAsync(int hello, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testMapMap({0})", hello);
+                var mapmap = new Dictionary<int, Dictionary<int, int>>();
+
+                var pos = new Dictionary<int, int>();
+                var neg = new Dictionary<int, int>();
+                for (var i = 1; i < 5; i++)
+                {
+                    pos[i] = i;
+                    neg[-i] = -i;
+                }
+
+                mapmap[4] = pos;
+                mapmap[-4] = neg;
+
+                return Task.FromResult(mapmap);
+            }
+
+            public Task<Dictionary<long, Dictionary<Numberz, Insanity>>> testInsanityAsync(Insanity argument, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testInsanity()");
+
+                /** from ThriftTest.thrift:
+                 * So you think you've got this all worked, out eh?
+                 *
+                 * Creates a the returned map with these values and prints it out:
+                 *   { 1 => { 2 => argument,
+                 *            3 => argument,
+                 *          },
+                 *     2 => { 6 => <empty Insanity struct>, },
+                 *   }
+                 * @return map<UserId, map<Numberz,Insanity>> - a map with the above values
+                 */
+
+                var first_map = new Dictionary<Numberz, Insanity>();
+                var second_map = new Dictionary<Numberz, Insanity>(); ;
+
+                first_map[Numberz.TWO] = argument;
+                first_map[Numberz.THREE] = argument;
+
+                second_map[Numberz.SIX] = new Insanity();
+
+                var insane = new Dictionary<long, Dictionary<Numberz, Insanity>>
+                {
+                    [1] = first_map,
+                    [2] = second_map
+                };
+
+                return Task.FromResult(insane);
+            }
+
+            public Task<Xtruct> testMultiAsync(sbyte arg0, int arg1, long arg2, Dictionary<short, string> arg3, Numberz arg4, long arg5,
+                CancellationToken cancellationToken)
+            {
+                logger.Invoke("testMulti()");
+
+                var hello = new Xtruct(); ;
+                hello.String_thing = "Hello2";
+                hello.Byte_thing = arg0;
+                hello.I32_thing = arg1;
+                hello.I64_thing = arg2;
+                return Task.FromResult(hello);
+            }
+
+            public Task testExceptionAsync(string arg, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testException({0})", arg);
+                if (arg == "Xception")
+                {
+                    var x = new Xception
+                    {
+                        ErrorCode = 1001,
+                        Message = arg
+                    };
+                    throw x;
+                }
+                if (arg == "TException")
+                {
+                    throw new TException();
+                }
+                return Task.CompletedTask;
+            }
+
+            public Task<Xtruct> testMultiExceptionAsync(string arg0, string arg1, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testMultiException({0}, {1})", arg0, arg1);
+                if (arg0 == "Xception")
+                {
+                    var x = new Xception
+                    {
+                        ErrorCode = 1001,
+                        Message = "This is an Xception"
+                    };
+                    throw x;
+                }
+
+                if (arg0 == "Xception2")
+                {
+                    var x = new Xception2
+                    {
+                        ErrorCode = 2002,
+                        Struct_thing = new Xtruct { String_thing = "This is an Xception2" }
+                    };
+                    throw x;
+                }
+
+                var result = new Xtruct { String_thing = arg1 };
+                return Task.FromResult(result);
+            }
+
+            public Task testOnewayAsync(int secondsToSleep, CancellationToken cancellationToken)
+            {
+                logger.Invoke("testOneway({0}), sleeping...", secondsToSleep);
+                Task.Delay(secondsToSleep * 1000, cancellationToken).GetAwaiter().GetResult();
+                logger.Invoke("testOneway finished");
+
+                return Task.CompletedTask;
+            }
+        }
+
+        internal static void PrintOptionsHelp()
+        {
+            Console.WriteLine("Server options:");
+            Console.WriteLine("  --pipe=<pipe name>");
+            Console.WriteLine("  --port=<port number>");
+            Console.WriteLine("  --transport=<transport name>    one of buffered,framed  (defaults to none)");
+            Console.WriteLine("  --protocol=<protocol name>      one of compact,json  (defaults to binary)");
+            Console.WriteLine("  --server-type=<type>            one of threaded,threadpool  (defaults to simple)");
+            Console.WriteLine("  --processor=<prototype>");
+            Console.WriteLine("  --ssl");
+            Console.WriteLine();
+        }
+
+        private static X509Certificate2 GetServerCert()
+        {
+            var serverCertName = "server.p12";
+            var possiblePaths = new List<string>
+            {
+                "../../../keys/",
+                "../../keys/",
+                "../keys/",
+                "keys/",
+            };
+                        
+            string existingPath = null;
+            foreach (var possiblePath in possiblePaths)
+            {
+                var path = Path.GetFullPath(possiblePath + serverCertName);
+                if (File.Exists(path))
+                {
+                    existingPath = path;
+                    break;
+                }
+            }
+                        
+            if (string.IsNullOrEmpty(existingPath))
+            {
+                throw new FileNotFoundException($"Cannot find file: {serverCertName}");
+            }
+                                    
+            var cert = new X509Certificate2(existingPath, "thrift");
+                        
+            return cert;
+        }
+
+        public static int Execute(List<string> args)
+        {
+            var loggerFactory = new LoggerFactory();//.AddConsole().AddDebug();
+            var logger = new LoggerFactory().CreateLogger("Test");
+
+            try
+            {
+                var param = new ServerParam();
+
+                try
+                {
+                    param.Parse(args);
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine("*** FAILED ***");
+                    Console.WriteLine("Error while  parsing arguments");
+                    Console.WriteLine(ex.Message + " ST: " + ex.StackTrace);
+                    return 1;
+                }
+
+
+                // Transport
+                TServerTransport trans;
+                if (param.pipe != null)
+                {
+                    trans = new TNamedPipeServerTransport(param.pipe);
+                }
+//                else if (param.useFramed)
+//                {
+//                    trans = new TServerFramedTransport(param.port);
+//                }
+                else
+                {
+                    if (param.useEncryption)
+                    {
+                        var cert = GetServerCert();
+                        
+                        if (cert == null || !cert.HasPrivateKey)
+                        {
+                            throw new InvalidOperationException("Certificate doesn't contain private key");
+                        }
+                        
+                        trans = new TTlsServerSocketTransport(param.port, param.useBufferedSockets, param.useFramed, cert, 
+                            (sender, certificate, chain, errors) => true, 
+                            null, SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12);
+                    }
+                    else
+                    {
+                        trans = new TServerSocketTransport(param.port, 0, param.useBufferedSockets, param.useFramed);
+                    }
+                }
+
+                ITProtocolFactory proto;
+                if (param.compact)
+                    proto = new TCompactProtocol.Factory();
+                else if (param.json)
+                    proto = new TJsonProtocol.Factory();
+                else
+                    proto = new TBinaryProtocol.Factory();
+
+                ITProcessorFactory processorFactory;
+
+                // Processor
+                var testHandler = new TestHandlerAsync();
+                var testProcessor = new ThriftTest.AsyncProcessor(testHandler);
+                processorFactory = new TSingletonProcessorFactory(testProcessor);
+
+                TTransportFactory transFactory = new TTransportFactory(); 
+
+                TServer serverEngine = new TSimpleAsyncServer(processorFactory, trans, transFactory, transFactory, proto, proto, logger);
+
+                //Server event handler
+                var serverEvents = new MyServerEventHandler();
+                serverEngine.SetEventHandler(serverEvents);
+
+                // Run it
+                var where = (! string.IsNullOrEmpty(param.pipe)) ? "on pipe " + param.pipe : "on port " + param.port;
+                Console.WriteLine("Starting the AsyncBaseServer " + where +
+                                  " with processor TPrototypeProcessorFactory prototype factory " +
+                                  (param.useBufferedSockets ? " with buffered socket" : "") +
+                                  (param.useFramed ? " with framed transport" : "") +
+                                  (param.useEncryption ? " with encryption" : "") +
+                                  (param.compact ? " with compact protocol" : "") +
+                                  (param.json ? " with json protocol" : "") +
+                                  "...");
+                serverEngine.ServeAsync(CancellationToken.None).GetAwaiter().GetResult();
+                Console.ReadLine();
+            }
+            catch (Exception x)
+            {
+                Console.Error.Write(x);
+                return 1;
+            }
+            Console.WriteLine("done.");
+            return 0;
+        }
+    }
+
+}