Minimal GenuineChannels console application example with programmatic configuration

gtcptest.cs

// Compile using: csc gtcptest.cs /r:GenuineChannels.dll
// First run — start server
// Second run — start client

using System;
using System.Collections.Generic;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using Belikov.GenuineChannels.GenuineTcp;

namespace TestApp
{
	class Program
	{
		static void Main(string[] args)
		{
			try
			{
				RunServer();
			}
			catch
			{
				RunClient();
			}
		}

		private static void RegisterChannel(bool server = false)
		{
			var props = new Dictionary<string, string>
			{
				{ "name", "GTCP1" },
				{ "priority", "100" }
			};

			if (server)
			{
				props["port"] = "8737";
			}

			var channel = new GenuineTcpChannel(props, null, null);
			ChannelServices.RegisterChannel(channel, false);
		}

		private static void RunServer()
		{
			RegisterChannel(server: true);

			var service = new Service();
			var objref = RemotingServices.Marshal(service, "Service");

			Console.WriteLine("Server started. Press ENTER to quit");
			Console.ReadLine();
		}

		internal class Service : MarshalByRefObject, IService
		{
			public string Greeting(string s)
			{
				var result = $"Hello, {s}!";
				Console.WriteLine("Replying to client: {0}", result);
				return result;
			}
		}

		public interface IService
		{
			string Greeting(string s);
		}

		private static void RunClient()
		{
			Console.WriteLine("Connecting to server...");
			RegisterChannel();

			var proxy = (IService)Activator.GetObject(typeof(IService), "gtcp://localhost:8737/Service");
			var greeting = proxy.Greeting("World");
			Console.WriteLine("Server replies: {0}", greeting);
			Console.WriteLine("Press ENTER to quit.");
			Console.ReadLine();
		}
	}
}