private void OnMessageReceived(MessageReader message)
        {
            var flag = message.Tag;

            Logger.Verbose("Server got {0}.", flag);

            switch (flag)
            {
            case MessageFlags.HostGame:
            {
                using (var packet = MessageWriter.Get(SendOption.Reliable))
                {
                    Message13Redirect.Serialize(packet, false, _nodeProvider.Get());
                    _connection.Send(packet);
                }
                break;
            }

            case MessageFlags.JoinGame:
            {
                Message01JoinGame.Deserialize(message,
                                              out var gameCode,
                                              out var unknown);

                using (var packet = MessageWriter.Get(SendOption.Reliable))
                {
                    var endpoint = _nodeLocator.Find(GameCode.IntToGameName(gameCode));
                    if (endpoint == null)
                    {
                        Message01JoinGame.SerializeError(packet, false, DisconnectReason.GameMissing);
                    }
                    else
                    {
                        Message13Redirect.Serialize(packet, false, endpoint);
                    }

                    _connection.Send(packet);
                }
                break;
            }

            case MessageFlags.GetGameListV2:
            {
                // TODO: Implement.
                using (var packet = MessageWriter.Get(SendOption.Reliable))
                {
                    Message01JoinGame.SerializeError(packet, false, DisconnectReason.Custom, DisconnectMessages.NotImplemented);
                    _connection.Send(packet);
                }
                break;
            }

            default:
            {
                Logger.Warning("Received unsupported message flag on the redirector ({0}).", flag);
                break;
            }
            }
        }
        public Game Create(GameOptionsData options)
        {
            // TODO: Prevent duplicates when using server redirector using INodeProvider.

            var gameCode    = GameCode.GenerateCode(6);
            var gameCodeStr = GameCode.IntToGameName(gameCode);
            var game        = new Game(this, _nodeLocator, _publicIp, gameCode, options);

            if (_nodeLocator.Find(gameCodeStr) == null &&
                _games.TryAdd(gameCode, game))
            {
                _nodeLocator.Save(gameCodeStr, _publicIp);
                _logger.LogDebug("Created game with code {0} ({1}).", game.CodeStr, gameCode);
                return(game);
            }

            _logger.LogWarning("Failed to create game.");
            return(null);
        }