public void Call_Chat(string msg)
{
string str;
//if (s.IsAuthorized)
//{
// str = $"{s.UserName}: {msg}";
//}
//else
//{
// str = $"{s.Id}: {msg}";
//}
str = msg;
_server.BroadcastAllSessionAsync(str);
_logger.LogDebug(str);
}
