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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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4
patches/server/0728-Make-CallbackExecutor-strict-again.patch
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@ -10,7 +10,7 @@ schedules. Effectively, use the callback executor as a tool of
finding issues rather than hiding these issues.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index e8b68702d7f720ba9d2985984547d0dda9541d41..825ed5ff5ee9fe4484dc81d1b5086d96813050e1 100644
index e8b68702d7f720ba9d2985984547d0dda9541d41..db4d506852b92fc84fe052358599153fbd013d2a 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -156,17 +156,28 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
@ -26,7 +26,7 @@ index e8b68702d7f720ba9d2985984547d0dda9541d41..825ed5ff5ee9fe4484dc81d1b5086d96
+ // Paper start - revert CB changes
+ org.spigotmc.AsyncCatcher.catchOp("Callback Executor execute");
+ if (this.queued != null) {
+ MinecraftServer.LOGGER.fatal("Failed to schedule runnable", new IllegalStateException("Already queued"));
+ net.minecraft.server.MinecraftServer.LOGGER.fatal("Failed to schedule runnable", new IllegalStateException("Already queued"));
+ throw new IllegalStateException("Already queued");
+ }
+ this.queued = runnable;

68
patches/server/0730-Do-not-run-close-logic-for-inventories-on-chunk-unlo.patch Normal file
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@ -0,0 +1,68 @@
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 b8e7f70f4ee1b28635537e04f7bd0d0cd6afb4b3..82ae5094025c7d86ba6fdbf4334b2575e7b6afa1 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1272,9 +1272,13 @@ 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 a6ec320bdca4a1c6e23461cd10a6f7bed681f243..67b482f6cafc55b6b262f23c2b56e4d8c6d089c2 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1559,6 +1559,18 @@ 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(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 b6f8e94df86c174569ccbc69cfd031cc08271dd3..4e6364bea8f464bef690b8cc8f25a80ee699ed5a 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -496,6 +496,11 @@ 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;

36
patches/server/0731-Correctly-handle-recursion-for-chunkholder-updates.patch Normal file
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@ -0,0 +1,36 @@
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 292a26a2e13d97e4796bfe00c4d5789f94e67cc1..be8e63fb3e5c65157ea4ed9c0e3910aaba8c3d45 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -400,7 +400,9 @@ public class ChunkHolder {
playerchunkmap.onFullChunkStatusChange(this.pos, playerchunk_state);
}
+ protected long updateCount; // Paper - correctly handle recursion
protected void updateFutures(ChunkMap chunkStorage, Executor executor) {
+ 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;
@@ -429,6 +431,12 @@ 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

106
patches/server/0732-Separate-lookup-locking-from-state-access-in-UserCac.patch Normal file
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@ -0,0 +1,106 @@
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 3789441e2df9410aa1c6efe59054aaba2c738633..a157f71cf55b9e97fac56c7c55b552da86000fd5 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) {
@@ -326,7 +341,9 @@ 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/server/0733-Fix-chunks-refusing-to-unload-at-low-TPS.patch Normal file
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@ -0,0 +1,26 @@
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 db4d506852b92fc84fe052358599153fbd013d2a..6463bd3a796661a9077837ce01822a7ca69f89e2 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1018,9 +1018,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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() {

62
patches/server/0734-Do-not-allow-ticket-level-changes-while-unloading-pl.patch Normal file
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@ -0,0 +1,62 @@
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 6463bd3a796661a9077837ce01822a7ca69f89e2..0a3aa9808c7308917b990b8aee3740ada23a4b24 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -235,6 +235,7 @@ 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(session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync);
this.visibleChunkMap = this.updatingChunkMap.clone();
@@ -499,6 +500,7 @@ 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 {
@@ -658,6 +660,12 @@ 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) {
@@ -693,6 +701,7 @@ 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 3c95e322a2ecf4fc212e168c4aa475d2e4e7ce69..7908e35a5842beb422edfed624561caffe08e6ef 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -787,6 +787,7 @@ public class ServerChunkCache extends ChunkSource {
}
public boolean runDistanceManagerUpdates() {
+ 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();