asdasdafds

using System.Net;
using System.Net.Sockets;
using System.Text;

const string LISTEN_IP_STRING = "127.0.0.1";
const int LISTEN_PORT = 14092;

TcpListener server = new(IPAddress.Parse(LISTEN_IP_STRING), LISTEN_PORT);
List<TcpClient> users = new();
List<EndPoint?> usersEndpoints = new();

try
{
    Console.WriteLine("Initializing Building Multiplayer server...");

    server.Start();

    Console.WriteLine("Starting listening at {0}:{1}...", LISTEN_IP_STRING, LISTEN_PORT);
    Console.WriteLine("Press Ctrl+C to stop server");

    while (true)
    {
        if (server.Pending())
        {
            TcpClient user = server.AcceptTcpClient();
            user.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
            users.Add(user);
            usersEndpoints.Add(user.Client.LocalEndPoint);
            Console.WriteLine("{0} have been connected!", user.Client.RemoteEndPoint);
        }

        foreach (var user in users)
        {
            NetworkStream str = null;

            //try
            //{
                str = user.GetStream();

                byte[] bytes = new byte[256];
                str.Read(bytes, 0, bytes.Length);
                string dat = Encoding.UTF8.GetString(bytes);
                if (dat.StartsWith("set"))
                    Console.WriteLine("{0} changed block", user.Client.LocalEndPoint);

                foreach (var user2 in users)
                {
                    NetworkStream str2 = user2.GetStream();
                    str2.Write(bytes, 0, bytes.Length);
                    str2.Close();
                }

                str.Close();
            //}
            //catch (ObjectDisposedException)
            //{
            //    Console.WriteLine("{0} have been disconnected!", usersEndpoints[users.IndexOf(user)]);
            //    usersEndpoints.RemoveAt(users.IndexOf(user));
            //    users.Remove(user);
            //    break;
            //}
            //catch (InvalidOperationException)
            //{
            //    Console.WriteLine("{0} have been disconnected!", usersEndpoints[users.IndexOf(user)]);
            //    usersEndpoints.RemoveAt(users.IndexOf(user));
            //    users.Remove(user);
            //    break;
            //}
            //finally
            //{
            //    if (str != null)
            //        str.Close();
            //}
        }
    }



}
catch (Exception ex)
{
    Console.WriteLine(ex.ToString());
}
finally
{
    Console.WriteLine("Stopping server...");
    server.Stop();
}