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77a5779e24
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: 2ec53f49 PR-1050: Fix empty result check for Complex Recipes 10671012 PR-1044: Add CrafterCraftEvent 4d87ffe0 Use correct method in JavaDoc ae5e5817 SPIGOT-7850: Add API for Bogged shear state 46b6d445 SPIGOT-7837: Support data pack banner patterns d5d0cefc Fix JavaDoc error b3c2b83d PR-1036: Add API for InventoryView derivatives 1fe2c75a SPIGOT-7809: Add ShieldMeta CraftBukkit Changes: 8ee6fd1b8 SPIGOT-7857: Improve ItemMeta block data deserialization 8f26c30c6 SPIGOT-7857: Fix spurious internal NBT tag when deserializing BlockStateMeta 759061b93 SPIGOT-7855: Fire does not spread or burn blocks 00fc9fb64 SPIGOT-7853: AnvilInventory#getRepairCost() always returns 0 7501e2e04 PR-1450: Add CrafterCraftEvent 8c51673e7 SPIGOT-5731: PortalCreateEvent#getEntity returns null for nether portals ignited by flint and steel d53d0d0b1 PR-1456: Fix inverted logic in CraftCrafterView#setSlotDisabled 682a678c8 SPIGOT-7850: Add API for Bogged shear state fccf5243a SPIGOT-7837: Support data pack banner patterns 9c3bd4390 PR-1431: Add API for InventoryView derivatives 0cc6acbc4 SPIGOT-7849: Fix FoodComponent serialize with "using-converts-to" using null 2c5474952 Don't rely on tags for CraftItemMetas 20d107e46 SPIGOT-7846: Fix ItemMeta for hanging signs 76f59e315 Remove redundant clone in Dropper InventoryMoveItemEvent e61a53d25 SPIGOT-7817: Call InventoryMoveItemEvent for Crafters 894682e2d SPIGOT-7839: Remove redundant Java version checks 2c12b2187 SPIGOT-7809: Add ShieldMeta and fix setting shield base colours Spigot Changes: fb8fb722 Rebuild patches 34bd42b7 SPIGOT-7835: Fix issue with custom hopper settings
126 lines
6.5 KiB
Diff
126 lines
6.5 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 774d81c702edb76a2f6184d4dc53687de6734a79..34b4166adfae8ff7d1eb73d56a72931b005330a7 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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@@ -60,6 +60,11 @@ public class GameProfileCache {
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@Nullable
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private Executor executor;
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+ // Paper start - Fix GameProfileCache concurrency
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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 - Fix GameProfileCache concurrency
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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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@@ -67,11 +72,13 @@ 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 - Fix GameProfileCache concurrency
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GameProfile gameprofile = entry.getProfile();
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entry.setLastAccess(this.getNextOperation());
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this.profilesByName.put(gameprofile.getName().toLowerCase(Locale.ROOT), entry);
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this.profilesByUUID.put(gameprofile.getId(), entry);
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+ } finally { this.stateLock.unlock(); } // Paper - Fix GameProfileCache concurrency
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}
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private static Optional<GameProfile> lookupGameProfile(GameProfileRepository repository, String name) {
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@@ -128,17 +135,20 @@ 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 - Fix GameProfileCache 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 - Fix GameProfileCache 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 - Fix GameProfileCache 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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@@ -154,8 +164,12 @@ 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 - Fix GameProfileCache concurrency
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} else {
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+ stateLocked = false; this.stateLock.unlock(); // Paper - Fix GameProfileCache concurrency
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+ try { this.lookupLock.lock(); // Paper - Fix GameProfileCache concurrency
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optional = GameProfileCache.lookupGameProfile(this.profileRepository, name); // CraftBukkit - use correct case for offline players
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+ } finally { this.lookupLock.unlock(); } // Paper - Fix GameProfileCache 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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@@ -167,6 +181,7 @@ public class GameProfileCache {
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}
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return optional;
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+ } finally { if (stateLocked) { this.stateLock.unlock(); } } // Paper - Fix GameProfileCache concurrency
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}
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public CompletableFuture<Optional<GameProfile>> getAsync(String username) {
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@@ -191,6 +206,7 @@ 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 - Fix GameProfileCache 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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@@ -199,6 +215,7 @@ 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 - Fix GameProfileCache concurrency
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}
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public void setExecutor(Executor executor) {
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@@ -279,7 +296,7 @@ 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 - Fix GameProfileCache 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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@@ -320,8 +337,19 @@ 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 - Fix GameProfileCache 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 - Fix GameProfileCache concurrency
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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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