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even even even even even more patches

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Jason Penilla 2021-11-24 19:06:43 -08:00 • committed by MiniDigger | Martin
parent aa948d8338
commit fdde23eecf
7 changed files with 30 additions and 28 deletions
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62
patches/unapplied/server/0748-Do-not-allow-ticket-level-changes-while-unloading-pl.patch
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@ -1,62 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Sat, 19 Sep 2020 15:29:16 -0700
Subject: [PATCH] Do not allow ticket level changes while unloading
playerchunks
Sync loading the chunk at this stage would cause it to load
older data, as well as screwing our region state.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index ba1c55c4f2486cae25ce570132d9222f6ab77d49..fe15f8fdb886674278513c5fdbf17f066c9f0b4f 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -341,6 +341,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
// Paper end
+ boolean unloadingPlayerChunk = false; // Paper - do not allow ticket level changes while unloading chunks
public ChunkMap(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureManager structureManager, Executor executor, BlockableEventLoop<Runnable> mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory, int viewDistance, boolean dsync) {
super(new File(session.getDimensionPath(world.dimension()), "region"), dataFixer, dsync);
this.visibleChunkMap = this.updatingChunkMap.clone();
@@ -802,6 +803,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@Nullable
ChunkHolder updateChunkScheduling(long pos, int level, @Nullable ChunkHolder holder, int k) {
+ if (this.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.fatal("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
if (k > ChunkMap.MAX_CHUNK_DISTANCE && level > ChunkMap.MAX_CHUNK_DISTANCE) {
return holder;
} else {
@@ -1058,6 +1060,12 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
if (completablefuture1 != completablefuture) {
this.scheduleUnload(pos, holder);
} else {
+ // Paper start - do not allow ticket level changes while unloading chunks
+ org.spigotmc.AsyncCatcher.catchOp("playerchunk unload");
+ boolean unloadingBefore = this.unloadingPlayerChunk;
+ this.unloadingPlayerChunk = true;
+ try {
+ // Paper end - do not allow ticket level changes while unloading chunks
// Paper start
boolean removed;
if ((removed = this.pendingUnloads.remove(pos, holder)) && ichunkaccess != null) {
@@ -1094,6 +1102,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.regionManagers.get(index).removeChunk(holder.pos.x, holder.pos.z);
}
} // Paper end
+ } finally { this.unloadingPlayerChunk = unloadingBefore; } // Paper - do not allow ticket level changes while unloading chunks
}
};
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index d03ca9b30380209397aed5371686e0022bf631d5..e88cae362fa167252aaa785895e378caec6ad757 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -842,6 +842,7 @@ public class ServerChunkCache extends ChunkSource {
public boolean runDistanceManagerUpdates() {
if (distanceManager.delayDistanceManagerTick) return false; // Paper - Chunk priority
+ if (this.chunkMap.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.fatal("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
boolean flag = this.distanceManager.runAllUpdates(this.chunkMap);
boolean flag1 = this.chunkMap.promoteChunkMap();

68
patches/unapplied/server/0750-Do-not-run-close-logic-for-inventories-on-chunk-unlo.patch
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@ -1,68 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Thu, 11 Mar 2021 03:03:32 -0800
Subject: [PATCH] Do not run close logic for inventories on chunk unload
Still call the event and change the active container though. We
want to avoid close logic because it's possible to load the
chunk through it. This should also be OK from a leak prevention/
state desync POV because the TE is getting unloaded anyways.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index f8c0574137cab33d0b5efe5d532efb132dcb914a..80f59abeb0081fe4784f3c0d027e8dfce752814b 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1292,9 +1292,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
// Spigot Start
for (net.minecraft.world.level.block.entity.BlockEntity tileentity : chunk.getBlockEntities().values()) {
if (tileentity instanceof net.minecraft.world.Container) {
+ // Paper start - this area looks like it can load chunks, change the behavior
+ // chests for example can apply physics to the world
+ // so instead we just change the active container and call the event
for (org.bukkit.entity.HumanEntity h : Lists.newArrayList(((net.minecraft.world.Container) tileentity).getViewers())) {
- h.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
+ ((org.bukkit.craftbukkit.entity.CraftHumanEntity)h).getHandle().closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
}
+ // Paper end
}
}
// Spigot End
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 9b02f054493ad69c7a595374e6fd600c3d64e61e..e40587b9c13d9170ef5dd0811e96b02ecaccebb2 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1562,6 +1562,18 @@ public class ServerPlayer extends Player {
this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
this.doCloseContainer();
}
+ // Paper start - special close for unloaded inventory
+ @Override
+ public void closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+ // copied from above
+ CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
+ // Paper end
+ // copied from below
+ this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
+ this.containerMenu = this.inventoryMenu;
+ // do not run close logic
+ }
+ // Paper end - special close for unloaded inventory
public void doCloseContainer() {
this.containerMenu.removed((Player) this);
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index fb66da46d2b3a46fe4b8d43f99a1a60f768f5f19..ce713e1857121ca52467ad561c4fbb30ae054d87 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -498,6 +498,11 @@ public abstract class Player extends LivingEntity {
this.containerMenu = this.inventoryMenu;
}
// Paper end
+ // Paper start - special close for unloaded inventory
+ public void closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+ this.containerMenu = this.inventoryMenu;
+ }
+ // Paper end - special close for unloaded inventory
public void closeContainer() {
this.containerMenu = this.inventoryMenu;

37
patches/unapplied/server/0751-Correctly-handle-recursion-for-chunkholder-updates.patch
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@ -1,37 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 21 Mar 2021 17:32:47 -0700
Subject: [PATCH] Correctly handle recursion for chunkholder updates
If a chunk ticket level is brought up while unloading it would
cause a recursive call which would handle the increase but then
the caller would think the chunk would be unloaded.
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 823451570e02ee75bfce1c106779a0502187fcea..d4ea81824acdc1220616b24ea0f465db97f4a343 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -619,8 +619,10 @@ public class ChunkHolder {
playerchunkmap.onFullChunkStatusChange(this.pos, playerchunk_state);
}
+ protected long updateCount; // Paper - correctly handle recursion
protected void updateFutures(ChunkMap chunkStorage, Executor executor) {
io.papermc.paper.util.TickThread.ensureTickThread("Async ticket level update"); // Paper
+ long updateCount = ++this.updateCount; // Paper - correctly handle recursion
ChunkStatus chunkstatus = ChunkHolder.getStatus(this.oldTicketLevel);
ChunkStatus chunkstatus1 = ChunkHolder.getStatus(this.ticketLevel);
boolean flag = this.oldTicketLevel <= ChunkMap.MAX_CHUNK_DISTANCE;
@@ -662,6 +664,12 @@ public class ChunkHolder {
// Run callback right away if the future was already done
chunkStorage.callbackExecutor.run();
+ // Paper start - correctly handle recursion
+ if (this.updateCount != updateCount) {
+ // something else updated ticket level for us.
+ return;
+ }
+ // Paper end - correctly handle recursion
}
// CraftBukkit end
CompletableFuture completablefuture;

106
patches/unapplied/server/0752-Separate-lookup-locking-from-state-access-in-UserCac.patch
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@ -1,106 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Sat, 11 Jul 2020 05:09:28 -0700
Subject: [PATCH] Separate lookup locking from state access in UserCache
Prevent lookups from stalling simple state access/write calls
diff --git a/src/main/java/net/minecraft/server/players/GameProfileCache.java b/src/main/java/net/minecraft/server/players/GameProfileCache.java
index 61405c2b53e03a4b83e2c70c6e4d3739ca9676cb..66dfa8c844963091b63e1f2f85d0da6dd2cd083c 100644
--- a/src/main/java/net/minecraft/server/players/GameProfileCache.java
+++ b/src/main/java/net/minecraft/server/players/GameProfileCache.java
@@ -62,6 +62,11 @@ public class GameProfileCache {
@Nullable
private Executor executor;
+ // Paper start
+ protected final java.util.concurrent.locks.ReentrantLock stateLock = new java.util.concurrent.locks.ReentrantLock();
+ protected final java.util.concurrent.locks.ReentrantLock lookupLock = new java.util.concurrent.locks.ReentrantLock();
+ // Paper end
+
public GameProfileCache(GameProfileRepository profileRepository, File cacheFile) {
this.profileRepository = profileRepository;
this.file = cacheFile;
@@ -69,6 +74,7 @@ public class GameProfileCache {
}
private void safeAdd(GameProfileCache.GameProfileInfo entry) {
+ try { this.stateLock.lock(); // Paper - allow better concurrency
GameProfile gameprofile = entry.getProfile();
entry.setLastAccess(this.getNextOperation());
@@ -83,6 +89,7 @@ public class GameProfileCache {
if (uuid != null) {
this.profilesByUUID.put(uuid, entry);
}
+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
}
@@ -119,7 +126,7 @@ public class GameProfileCache {
return com.destroystokyo.paper.PaperConfig.isProxyOnlineMode(); // Paper
}
- public synchronized void add(GameProfile profile) { // Paper - synchronize
+ public void add(GameProfile profile) { // Paper - synchronize // Paper - allow better concurrency
Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date());
@@ -142,8 +149,9 @@ public class GameProfileCache {
}
// Paper end
- public synchronized Optional<GameProfile> get(String name) { // Paper - synchronize
+ public Optional<GameProfile> get(String name) { // Paper - synchronize // Paper start - allow better concurrency
String s1 = name.toLowerCase(Locale.ROOT);
+ boolean stateLocked = true; try { this.stateLock.lock(); // Paper - allow better concurrency
GameProfileCache.GameProfileInfo usercache_usercacheentry = (GameProfileCache.GameProfileInfo) this.profilesByName.get(s1);
boolean flag = false;
@@ -159,8 +167,12 @@ public class GameProfileCache {
if (usercache_usercacheentry != null) {
usercache_usercacheentry.setLastAccess(this.getNextOperation());
optional = Optional.of(usercache_usercacheentry.getProfile());
+ stateLocked = false; this.stateLock.unlock(); // Paper - allow better concurrency
} else {
+ stateLocked = false; this.stateLock.unlock(); // Paper - allow better concurrency
+ try { this.lookupLock.lock(); // Paper - allow better concurrency
optional = GameProfileCache.lookupGameProfile(this.profileRepository, name); // Spigot - use correct case for offline players
+ } finally { this.lookupLock.unlock(); } // Paper - allow better concurrency
if (optional.isPresent()) {
this.add((GameProfile) optional.get());
flag = false;
@@ -172,6 +184,7 @@ public class GameProfileCache {
}
return optional;
+ } finally { if (stateLocked) { this.stateLock.unlock(); } } // Paper - allow better concurrency
}
public void getAsync(String username, Consumer<Optional<GameProfile>> consumer) {
@@ -198,6 +211,7 @@ public class GameProfileCache {
}
public Optional<GameProfile> get(UUID uuid) {
+ try { this.stateLock.lock(); // Paper - allow better concurrency
GameProfileCache.GameProfileInfo usercache_usercacheentry = (GameProfileCache.GameProfileInfo) this.profilesByUUID.get(uuid);
if (usercache_usercacheentry == null) {
@@ -206,6 +220,7 @@ public class GameProfileCache {
usercache_usercacheentry.setLastAccess(this.getNextOperation());
return Optional.of(usercache_usercacheentry.getProfile());
}
+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
}
public void setExecutor(Executor executor) {
@@ -322,7 +337,9 @@ public class GameProfileCache {
}
private Stream<GameProfileCache.GameProfileInfo> getTopMRUProfiles(int limit) {
+ try { this.stateLock.lock(); // Paper - allow better concurrency
return ImmutableList.copyOf(this.profilesByUUID.values()).stream().sorted(Comparator.comparing(GameProfileCache.GameProfileInfo::getLastAccess).reversed()).limit((long) limit);
+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
}
private static JsonElement writeGameProfile(GameProfileCache.GameProfileInfo entry, DateFormat dateFormat) {

26
patches/unapplied/server/0753-Fix-chunks-refusing-to-unload-at-low-TPS.patch
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@ -1,26 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 1 Feb 2021 15:35:14 -0800
Subject: [PATCH] Fix chunks refusing to unload at low TPS
The full chunk future is appended to the chunk save future, but
when moving to unloaded ticket level it is not being completed with
the empty chunk access, so the chunk save must wait for the full
chunk future to complete. We can simply schedule to the immediate
executor to get this effect, rather than the main mailbox.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index dcb5b1022eb72c50dc1df3654b0c9db7c782517c..efaab00b73f48e267a033a4ef466dcbaf2af2044 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1451,9 +1451,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
chunk.unpackTicks();
return chunk;
});
- }, (runnable) -> {
- this.mainThreadMailbox.tell(ChunkTaskPriorityQueueSorter.message(playerchunk, runnable));
- });
+ }, this.mainThreadExecutor); // Paper - queue to execute immediately so this doesn't delay chunk unloading
}
public int getTickingGenerated() {