server implementation

Server.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;

namespace Lib
{
	public class IntEventArgs : EventArgs
	{
		public int integer { get; set; }
		public IntEventArgs(int i)
		{ integer = i; }
	}

	public class Server
	{
		public event EventHandler<IntEventArgs> Receive;
		public TcpListener listener;
		Task listenerTask;
		private bool online;
		private Dictionary<TcpClient, Task> clienttasks;

		public Server(int port)
		{
			clienttasks = new Dictionary<TcpClient, Task>();
			online = true;
			listener = new TcpListener(IPAddress.Any, port);
			listenerTask = new Task(() =>
			{
				while (online)
				{
					if (listener.Pending())
					{
						var client = listener.AcceptTcpClient();
						Task clienttask = new Task(() =>
						{
							var s = client.GetStream();
							var mcs = new MinecraftStream(s);
							while (client.Connected)
							{
								if (client.Available > 0)
								{
									int i = mcs.ReadInt32();
									Console.WriteLine($"Got an {i}");
									if (Receive != null)
										Receive.Invoke(null, new IntEventArgs(i));
								}
							}
						});
						clienttasks.Add(client, clienttask);
						clienttask.Start();
					}

					foreach (var c in clienttasks)
						if (!c.Key.Connected)
							clienttasks.Remove(c.Key);

				}
			});
			listener.Start();
			listenerTask.Start();
		}
	}
}