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Fix unable to save game data occasionally (#1194)

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* Fix unable to save game data occasionally

* No self-kicking

* Game data synchronization

* finally

* prevent duplicated saving

* reverse changing

* keep the previous code

* Update GameServerInitializer.java

* Update GameSession.java

* remove sanity check because of try block

* a session needs can be created without a pipeline.
This commit is contained in:
zhaodice
2022-06-05 19:23:19 +08:00
committed by GitHub
parent 36fb08095f
commit 9bf48ddbf7
6 changed files with 120 additions and 59 deletions
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48
src/main/java/emu/grasscutter/server/packet/recv/HandlerGetPlayerTokenReq.java
View File

@@ -11,6 +11,7 @@ import emu.grasscutter.net.packet.PacketOpcodes;
import emu.grasscutter.net.proto.GetPlayerTokenReqOuterClass.GetPlayerTokenReq;
import emu.grasscutter.net.packet.PacketHandler;
import emu.grasscutter.server.event.game.PlayerCreationEvent;
import emu.grasscutter.server.game.GameServer;
import emu.grasscutter.server.game.GameSession;
import emu.grasscutter.server.game.GameSession.SessionState;
import emu.grasscutter.server.packet.send.PacketGetPlayerTokenRsp;
@@ -20,28 +21,45 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
@Override
public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
// Max players limit
if (ACCOUNT.maxPlayer > -1 && Grasscutter.getGameServer().getPlayers().size() >= ACCOUNT.maxPlayer) {
session.close();
return;
}
GetPlayerTokenReq req = GetPlayerTokenReq.parseFrom(payload);
// Authenticate
Account account = DatabaseHelper.getAccountById(req.getAccountUid());
if (account == null) {
return;
}
// Check token
if (!account.getToken().equals(req.getAccountToken())) {
if (account == null || !account.getToken().equals(req.getAccountToken())) {
return;
}
// Set account
session.setAccount(account);
// Check if player object exists in server
// NOTE: CHECKING MUST SITUATED HERE (BEFORE getPlayerByUid)! because to save firstly ,to load secondly !!!
// TODO - optimize
boolean kicked = false;
Player exists = Grasscutter.getGameServer().getPlayerByAccountId(account.getId());
if (exists != null) {
GameSession existsSession = exists.getSession();
if (existsSession != session) {// No self-kicking
exists.onLogout();//must save immediately , or the below will load old data
existsSession.close();
Grasscutter.getLogger().warn("Player {} was kicked due to duplicated login", account.getUsername());
kicked = true;
}
}
//NOTE: If there are 5 online players, max count of player is 5,
// a new client want to login by kicking one of them ,
// I think it should be allowed
if(!kicked) {
// Max players limit
if (ACCOUNT.maxPlayer > -1 && Grasscutter.getGameServer().getPlayers().size() >= ACCOUNT.maxPlayer) {
session.close();
return;
}
}
// Get player
Player player = DatabaseHelper.getPlayerByAccount(account);
@@ -57,10 +75,10 @@ public class HandlerGetPlayerTokenReq extends PacketHandler {
// Save to db
DatabaseHelper.generatePlayerUid(player, nextPlayerUid);
}
// Set player object for session
session.setPlayer(player);
// Load player from database
player.loadFromDatabase();

2
src/main/java/emu/grasscutter/server/packet/recv/HandlerQuickUseWidgetReq.java
View File

@@ -1,5 +1,6 @@
package emu.grasscutter.server.packet.recv;
import emu.grasscutter.Grasscutter;
import emu.grasscutter.game.inventory.GameItem;
import emu.grasscutter.game.inventory.Inventory;
import emu.grasscutter.game.inventory.InventoryTab;
@@ -45,6 +46,7 @@ public class HandlerQuickUseWidgetReq extends PacketHandler {
BasePacket rsp = new BasePacket(PacketOpcodes.QuickUseWidgetRsp);
rsp.setData(proto);
session.send(rsp);
Grasscutter.getLogger().warn("class has no effects in the game, feel free to implement it");
// but no effects in the game, feel free to implement it!
}
}