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Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
129 lines
6.2 KiB
Diff
129 lines
6.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 11 Jul 2020 05:09:28 -0700
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Subject: [PATCH] Fix GameProfileCache concurrency
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Separate lookup and state access locks prevent lookups
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from stalling simple state access/write calls
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diff --git a/src/main/java/net/minecraft/server/players/GameProfileCache.java b/src/main/java/net/minecraft/server/players/GameProfileCache.java
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index 2456edc11b29a92b1648937cd3dd6a9a05706803..b48650c38751a925b83fb4c19ac02f87cb1bef6e 100644
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--- a/src/main/java/net/minecraft/server/players/GameProfileCache.java
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+++ b/src/main/java/net/minecraft/server/players/GameProfileCache.java
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@@ -62,6 +62,11 @@ public class GameProfileCache {
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@Nullable
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private Executor executor;
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+ // Paper start
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+ protected final java.util.concurrent.locks.ReentrantLock stateLock = new java.util.concurrent.locks.ReentrantLock();
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+ protected final java.util.concurrent.locks.ReentrantLock lookupLock = new java.util.concurrent.locks.ReentrantLock();
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+ // Paper end
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+
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public GameProfileCache(GameProfileRepository profileRepository, File cacheFile) {
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this.profileRepository = profileRepository;
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this.file = cacheFile;
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@@ -69,6 +74,7 @@ public class GameProfileCache {
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}
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private void safeAdd(GameProfileCache.GameProfileInfo entry) {
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+ try { this.stateLock.lock(); // Paper - allow better concurrency
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GameProfile gameprofile = entry.getProfile();
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entry.setLastAccess(this.getNextOperation());
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@@ -83,6 +89,7 @@ public class GameProfileCache {
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if (uuid != null) {
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this.profilesByUUID.put(uuid, entry);
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}
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+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
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}
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@@ -138,17 +145,20 @@ public class GameProfileCache {
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// Paper start
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public @Nullable GameProfile getProfileIfCached(String name) {
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+ try { this.stateLock.lock(); // Paper - allow better concurrency
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GameProfileCache.GameProfileInfo entry = this.profilesByName.get(name.toLowerCase(Locale.ROOT));
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if (entry == null) {
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return null;
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}
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entry.setLastAccess(this.getNextOperation());
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return entry.getProfile();
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+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
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}
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// Paper end
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public Optional<GameProfile> get(String name) {
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String s1 = name.toLowerCase(Locale.ROOT);
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+ boolean stateLocked = true; try { this.stateLock.lock(); // Paper - allow better concurrency
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GameProfileCache.GameProfileInfo usercache_usercacheentry = (GameProfileCache.GameProfileInfo) this.profilesByName.get(s1);
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boolean flag = false;
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@@ -164,8 +174,12 @@ public class GameProfileCache {
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if (usercache_usercacheentry != null) {
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usercache_usercacheentry.setLastAccess(this.getNextOperation());
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optional = Optional.of(usercache_usercacheentry.getProfile());
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+ stateLocked = false; this.stateLock.unlock(); // Paper - allow better concurrency
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} else {
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+ stateLocked = false; this.stateLock.unlock(); // Paper - allow better concurrency
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+ try { this.lookupLock.lock(); // Paper - allow better concurrency
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optional = GameProfileCache.lookupGameProfile(this.profileRepository, name); // Spigot - use correct case for offline players
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+ } finally { this.lookupLock.unlock(); } // Paper - allow better concurrency
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if (optional.isPresent()) {
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this.add((GameProfile) optional.get());
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flag = false;
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@@ -177,6 +191,7 @@ public class GameProfileCache {
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}
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return optional;
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+ } finally { if (stateLocked) { this.stateLock.unlock(); } } // Paper - allow better concurrency
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}
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public void getAsync(String username, Consumer<Optional<GameProfile>> consumer) {
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@@ -203,6 +218,7 @@ public class GameProfileCache {
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}
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public Optional<GameProfile> get(UUID uuid) {
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+ try { this.stateLock.lock(); // Paper - allow better concurrency
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GameProfileCache.GameProfileInfo usercache_usercacheentry = (GameProfileCache.GameProfileInfo) this.profilesByUUID.get(uuid);
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if (usercache_usercacheentry == null) {
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@@ -211,6 +227,7 @@ public class GameProfileCache {
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usercache_usercacheentry.setLastAccess(this.getNextOperation());
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return Optional.of(usercache_usercacheentry.getProfile());
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}
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+ } finally { this.stateLock.unlock(); } // Paper - allow better concurrency
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}
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public void setExecutor(Executor executor) {
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@@ -291,7 +308,7 @@ public class GameProfileCache {
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JsonArray jsonarray = new JsonArray();
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DateFormat dateformat = GameProfileCache.createDateFormat();
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- this.getTopMRUProfiles(org.spigotmc.SpigotConfig.userCacheCap).forEach((usercache_usercacheentry) -> { // Spigot
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+ this.listTopMRUProfiles(org.spigotmc.SpigotConfig.userCacheCap).forEach((usercache_usercacheentry) -> { // Spigot // Paper - allow better concurrency
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jsonarray.add(GameProfileCache.writeGameProfile(usercache_usercacheentry, dateformat));
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});
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String s = this.gson.toJson(jsonarray);
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@@ -332,8 +349,19 @@ public class GameProfileCache {
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}
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private Stream<GameProfileCache.GameProfileInfo> getTopMRUProfiles(int limit) {
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- return ImmutableList.copyOf(this.profilesByUUID.values()).stream().sorted(Comparator.comparing(GameProfileCache.GameProfileInfo::getLastAccess).reversed()).limit((long) limit);
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+ // Paper start - allow better concurrency
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+ return this.listTopMRUProfiles(limit).stream();
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+ }
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+
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+ private List<GameProfileCache.GameProfileInfo> listTopMRUProfiles(int limit) {
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+ try {
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+ this.stateLock.lock();
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+ return this.profilesByUUID.values().stream().sorted(Comparator.comparing(GameProfileCache.GameProfileInfo::getLastAccess).reversed()).limit(limit).toList();
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+ } finally {
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+ this.stateLock.unlock();
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+ }
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}
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+ // Paper end
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private static JsonElement writeGameProfile(GameProfileCache.GameProfileInfo entry, DateFormat dateFormat) {
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JsonObject jsonobject = new JsonObject();
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