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-rw-r--r--patches/server/0397-Fix-AdvancementDataPlayer-leak-due-from-quitting-ear.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/patches/server/0397-Fix-AdvancementDataPlayer-leak-due-from-quitting-ear.patch b/patches/server/0397-Fix-AdvancementDataPlayer-leak-due-from-quitting-ear.patch
new file mode 100644
index 0000000000..817e925f2f
--- /dev/null
+++ b/patches/server/0397-Fix-AdvancementDataPlayer-leak-due-from-quitting-ear.patch
@@ -0,0 +1,65 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <[email protected]>
+Date: Mon, 13 Jul 2020 06:22:54 -0700
+Subject: [PATCH] Fix AdvancementDataPlayer leak due from quitting early in
+ login
+
+Move the criterion storage to the AdvancementDataPlayer object
+itself, so the criterion object stores no references - and thus
+needs no cleanup.
+
+diff --git a/src/main/java/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java b/src/main/java/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java
+index 9a387d5dc0925304d4163e3caa22206aaa68e3b7..f43053ba082f9772b6ec02828fa2d6f387c32d26 100644
+--- a/src/main/java/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java
++++ b/src/main/java/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java
+@@ -15,32 +15,32 @@ import net.minecraft.server.level.ServerPlayer;
+ import net.minecraft.world.level.storage.loot.LootContext;
+
+ public abstract class SimpleCriterionTrigger<T extends SimpleCriterionTrigger.SimpleInstance> implements CriterionTrigger<T> {
+- private final Map<PlayerAdvancements, Set<CriterionTrigger.Listener<T>>> players = Maps.newIdentityHashMap();
++ // private final Map<PlayerAdvancements, Set<CriterionTrigger.Listener<T>>> players = Maps.newIdentityHashMap(); // Paper - fix AdvancementDataPlayer leak; moved into AdvancementDataPlayer to fix memory leak
+
+ @Override
+ public final void addPlayerListener(PlayerAdvancements manager, CriterionTrigger.Listener<T> conditions) {
+- this.players.computeIfAbsent(manager, managerx -> Sets.newHashSet()).add(conditions);
++ manager.criterionData.computeIfAbsent(this, managerx -> Sets.newHashSet()).add(conditions); // Paper - fix AdvancementDataPlayer leak
+ }
+
+ @Override
+ public final void removePlayerListener(PlayerAdvancements manager, CriterionTrigger.Listener<T> conditions) {
+- Set<CriterionTrigger.Listener<T>> set = this.players.get(manager);
++ Set<CriterionTrigger.Listener<T>> set = (Set) manager.criterionData.get(this); // Paper - fix AdvancementDataPlayer leak
+ if (set != null) {
+ set.remove(conditions);
+ if (set.isEmpty()) {
+- this.players.remove(manager);
++ manager.criterionData.remove(this); // Paper - fix AdvancementDataPlayer leak
+ }
+ }
+ }
+
+ @Override
+ public final void removePlayerListeners(PlayerAdvancements tracker) {
+- this.players.remove(tracker);
++ tracker.criterionData.remove(this); // Paper - fix AdvancementDataPlayer leak
+ }
+
+ protected void trigger(ServerPlayer player, Predicate<T> predicate) {
+ PlayerAdvancements playerAdvancements = player.getAdvancements();
+- Set<CriterionTrigger.Listener<T>> set = this.players.get(playerAdvancements);
++ Set<CriterionTrigger.Listener<T>> set = (Set) playerAdvancements.criterionData.get(this); // Paper - fix AdvancementDataPlayer leak
+ if (set != null && !set.isEmpty()) {
+ LootContext lootContext = EntityPredicate.createContext(player, player);
+ List<CriterionTrigger.Listener<T>> list = null;
+diff --git a/src/main/java/net/minecraft/server/PlayerAdvancements.java b/src/main/java/net/minecraft/server/PlayerAdvancements.java
+index 6e8ccafe8966970d1665be21266f2ffe95e1d3ed..f46fa0fbfec19904d21729847788c6c624a3e97f 100644
+--- a/src/main/java/net/minecraft/server/PlayerAdvancements.java
++++ b/src/main/java/net/minecraft/server/PlayerAdvancements.java
+@@ -63,6 +63,7 @@ public class PlayerAdvancements {
+ private AdvancementHolder lastSelectedTab;
+ private boolean isFirstPacket = true;
+ private final Codec<PlayerAdvancements.Data> codec;
++ public final Map<net.minecraft.advancements.critereon.SimpleCriterionTrigger<?>, Set<CriterionTrigger.Listener<?>>> criterionData = new java.util.IdentityHashMap<>(); // Paper - fix advancement data player leakage
+
+ public PlayerAdvancements(DataFixer dataFixer, PlayerList playerManager, ServerAdvancementManager advancementLoader, Path filePath, ServerPlayer owner) {
+ this.playerList = playerManager;