100 lines
4.1 KiB
Diff
100 lines
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 16 May 2016 20:47:41 -0400
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Subject: [PATCH] Optimize UserCache / Thread Safe
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Because Techable keeps complaining about how this isn't thread safe,
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easier to do this than replace the entire thing.
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Additionally, move Saving of the User cache to be done async, incase
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the user never changed the default setting for Spigot's save on stop only.
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index d6bbb462931fd1eb97d39fbbbf4b843aa0f17c2e..28ade7187d6fd61adbfe65a1944426168b131c4c 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -788,7 +788,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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} catch (java.lang.InterruptedException ignored) {} // Paper
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if (org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly) {
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LOGGER.info("Saving usercache.json");
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- this.getUserCache().c();
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+ this.getUserCache().c(false); // Paper
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}
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// Spigot end
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diff --git a/src/main/java/net/minecraft/server/UserCache.java b/src/main/java/net/minecraft/server/UserCache.java
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index b211609995b95c26317995f4d776d21ab58d6c0e..4d3cbe3e517a75269d5c9cdd7f3751b81daee1c2 100644
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--- a/src/main/java/net/minecraft/server/UserCache.java
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+++ b/src/main/java/net/minecraft/server/UserCache.java
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@@ -43,8 +43,8 @@ public class UserCache {
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public static final SimpleDateFormat a = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
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private static boolean c;
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- private final Map<String, UserCache.UserCacheEntry> d = Maps.newHashMap();
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- private final Map<UUID, UserCache.UserCacheEntry> e = Maps.newHashMap();
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+ private final Map<String, UserCache.UserCacheEntry> d = new java.util.concurrent.ConcurrentHashMap<>(); // Paper
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+ private final Map<UUID, UserCache.UserCacheEntry> e = new java.util.concurrent.ConcurrentHashMap<>(); // Paper
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private final Deque<GameProfile> f = new java.util.concurrent.LinkedBlockingDeque<GameProfile>(); // CraftBukkit
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private final GameProfileRepository g;
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protected final Gson b;
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@@ -97,7 +97,7 @@ public class UserCache {
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this.a(gameprofile, (Date) null);
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}
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- private void a(GameProfile gameprofile, Date date) {
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+ private synchronized void a(GameProfile gameprofile, Date date) { // Paper - synchronize
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UUID uuid = gameprofile.getId();
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if (date == null) {
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@@ -110,8 +110,9 @@ public class UserCache {
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UserCache.UserCacheEntry usercache_usercacheentry = new UserCache.UserCacheEntry(gameprofile, date);
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- if (this.e.containsKey(uuid)) {
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+ //if (this.e.containsKey(uuid)) { // Paper
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UserCache.UserCacheEntry usercache_usercacheentry1 = (UserCache.UserCacheEntry) this.e.get(uuid);
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+ if (usercache_usercacheentry1 != null) { // Paper
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this.d.remove(usercache_usercacheentry1.a().getName().toLowerCase(Locale.ROOT));
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this.f.remove(gameprofile);
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@@ -124,7 +125,7 @@ public class UserCache {
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}
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@Nullable
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- public GameProfile getProfile(String s) {
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+ public synchronized GameProfile getProfile(String s) { // Paper - synchronize
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String s1 = s.toLowerCase(Locale.ROOT);
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UserCache.UserCacheEntry usercache_usercacheentry = (UserCache.UserCacheEntry) this.d.get(s1);
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@@ -209,8 +210,15 @@ public class UserCache {
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}
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+ // Paper start
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public void c() {
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+ c(true);
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+ }
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+ public void c(boolean asyncSave) {
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+ // Paper end
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String s = this.b.toJson(this.a(org.spigotmc.SpigotConfig.userCacheCap));
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+ Runnable save = () -> {
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+
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BufferedWriter bufferedwriter = null;
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try {
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@@ -224,6 +232,14 @@ public class UserCache {
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} finally {
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IOUtils.closeQuietly(bufferedwriter);
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}
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+ // Paper start
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+ };
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+ if (asyncSave) {
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+ MCUtil.scheduleAsyncTask(save);
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+ } else {
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+ save.run();
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+ }
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+ // Paper end
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}
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