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GameServer/Contents/Channel/Action/ChannelAction.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+
+
+using GameServer.PacketHandler;
+
+
+using USER_GUID = System.String;
+
+
+namespace GameServer;
+
+public class ChannelAction : EntityActionBase
+{
+    public ChannelAction(EntityBase owner) 
+        : base(owner)
+    {
+    }
+
+    public override Task<Result> onInit()
+    {
+        var result = new Result();
+
+        return Task.FromResult(result);
+    }
+
+    public override void onClear()
+    {
+        return;
+    }
+
+    public Result tryGetChannelList()
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var player = getOwner() as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+
+        var server_logic = GameServerApp.getServerLogic();
+        var channel_list = server_logic.getChannelManager().getWholeChannels();
+
+        GetChannelListPacketHandler.send_S2C_ACK_GET_CHANNEL_LIST(player, result, channel_list);
+
+        return result;
+    }
+
+    public async Task<(Result result, int possible_remaining_time)> tryMoveChannel(int move_channel)  // TODO: chan redis간 transaction 처리가 되어있지 않다.
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var player = getOwner() as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+        
+        var server_logic = GameServerApp.getServerLogic();
+        var config = server_logic.getServerConfig();
+
+        if (move_channel == config.getChannelNo())
+        {
+            err_msg = $"Select Same Channel. !!! - {player.toBasicString()}";
+            result.setFail(ServerErrorCode.ChannelMoveSameChannel, err_msg);
+            Log.getLogger().error(err_msg);
+            return (result, 0);
+        }
+
+        (result, var serverInfo) = await server_logic.getServerInfoByChannel(config.getWorldId(), move_channel);
+        if (serverInfo == null)
+        {
+            err_msg = $"Failed ValidServerNotFound WorldServerName : {server_logic.getServerName()} move_channel : {move_channel} - {player.toBasicString()}";
+            result.setFail(ServerErrorCode.ValidServerNotFound, err_msg);
+            Log.getLogger().error(err_msg);
+            return (result, 0);
+        }
+
+        if (serverInfo.Sessions + serverInfo.Reservation + serverInfo.ReturnCount >= serverInfo.Capacity)
+        {
+            err_msg = $"Server is Full : {server_logic.getServerName()}, Channel : {move_channel}";
+            result.setFail(ServerErrorCode.TargetServerUserCountExceed, err_msg);
+            Log.getLogger().error(err_msg);
+            return (result, 0);
+        }
+
+        // 0. 채널 이동시 조건 체크
+        var location_attribute = getOwner().getEntityAttribute<LocationAttribute>();
+        NullReferenceCheckHelper.throwIfNull(location_attribute, () => $"location_attribute is null !!!");
+
+        var last_move_time = location_attribute.MoveChannelTime.ToDateTime();
+        var possible_remaining_time = last_move_time.AddSeconds(ServerCommon.MetaHelper.GameConfigMeta.ChannelChangeCoolTime) - DateTimeHelper.Current;
+        if (possible_remaining_time.TotalSeconds > 0)
+        {
+            err_msg = $"fail to move channel !!! : invalid channel cool time - {ServerCommon.MetaHelper.GameConfigMeta.ChannelChangeCoolTime} / possible_remaining_time - {possible_remaining_time.TotalSeconds}";
+            result.setFail(ServerErrorCode.ChannelInvalidMoveCoolTime, err_msg);
+            Log.getLogger().error(result.toBasicString());
+            return (result, (int)possible_remaining_time.TotalSeconds);
+        }
+        
+        // 1. 예약 요청
+        var message = new ServerMessage.Types.GS2GS_REQ_RESERVATION_ENTER_TO_SERVER();
+        message.MoveType = ServerMoveType.Force;
+        message.RequestServerName = server_logic.getServerName();
+        message.RequestUserGuid = player.getUserGuid();
+
+        var reserved = await server_logic.getReservationManager().registerReservationEnterToServer(message, serverInfo.Name);
+        
+        // 2. 예약 실패 체크
+        if (null == reserved)
+        {
+            err_msg = $"Failed to reservation enter to game server!!! - {nameof(tryMoveChannel)}";
+            Log.getLogger().error(err_msg);
+            result.setFail(ServerErrorCode.FailedToReservationEnter, err_msg);
+            return (result, 0);
+        }
+        
+        // 3. 이동 처리
+        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "MoveChannel", moveChannelDelegate);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to runTransaction() !!! : {result.toBasicString()} - {player.toBasicString()}";
+            Log.getLogger().error(err_msg);
+        }
+        
+        return (result, 0);
+        
+        async Task<Result> moveChannelDelegate() => await moveChannelAsync(player, serverInfo);
+    }
+    
+    private async Task<Result> moveChannelAsync(Player player, ServerInfo serverInfo)
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var server_logic = GameServerApp.getServerLogic();
+
+        var location_attribute = player.getEntityAttribute<LocationAttribute>();
+        NullReferenceCheckHelper.throwIfNull(location_attribute, () => $"location_attribute is null !!! - {player.toBasicString()}");
+
+        location_attribute.MoveChannelTime = DateTimeHelper.Current.ToTimestamp();
+        
+        result = await GameZoneMoveHelper.moveToAnotherChannel(player, serverInfo, null);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to moveToAnotherChannel() !!! : {result.toBasicString()}";
+            Log.getLogger().error(err_msg);
+
+            return result;
+        }
+
+        var account_attribute = player.getEntityAttribute<AccountAttribute>();
+        NullReferenceCheckHelper.throwIfNull(account_attribute, () => $"account attribute is null !!! - {player.toBasicString()}");
+
+        var gameServer_connection_info = new ServerConnectInfo
+        {
+            ServerAddr = serverInfo.Address,
+            ServerPort = serverInfo.Port,
+            Otp = account_attribute.OtpForServerConnect,
+        };
+
+        var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.None, server_logic.getDynamoDbClient());
+        {
+            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
+            batch.addQuery(new QueryFinal());
+        }
+
+        result = await QueryHelper.sendQueryAndBusinessLog(batch);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {player.toBasicString()}";
+            Log.getLogger().error(err_msg);
+            return result;
+        }
+
+        MoveChannelPacketHandler.send_S2C_ACK_MOVE_CHANNEL(player, result, gameServer_connection_info, 0);
+        return result;
+    }
+}