118 lines
4.8 KiB
Diff
118 lines
4.8 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 3d20206c3817cc7bf1d0168c0b556b7505eebf93..9ae25f9496355d3114c0032731c8dcb621d243dc 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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@@ -897,7 +897,7 @@ 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().b();
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+ this.getUserCache().b(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/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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index faf4d00bf288359db806913c4d2964324e8706b7..8ae72e8c8325d9b03803f29fcdd83a0ce8d34450 100644
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--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
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@@ -251,7 +251,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
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}
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if (this.convertNames()) {
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- this.getUserCache().b();
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+ this.getUserCache().b(false); // Paper
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}
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if (!NameReferencingFileConverter.e(this)) {
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diff --git a/src/main/java/net/minecraft/server/players/UserCache.java b/src/main/java/net/minecraft/server/players/UserCache.java
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index 581e036f598b51a4e9f2dafd7e92c700c3e04407..2de2d84a56183435d641ba857472276821a70ae0 100644
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--- a/src/main/java/net/minecraft/server/players/UserCache.java
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+++ b/src/main/java/net/minecraft/server/players/UserCache.java
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@@ -35,6 +35,7 @@ import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.stream.Stream;
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import javax.annotation.Nullable;
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+import net.minecraft.server.MCUtil;
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import net.minecraft.world.entity.player.EntityHuman;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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@@ -107,7 +108,7 @@ public class UserCache {
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return UserCache.b;
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}
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- public void a(GameProfile gameprofile) {
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+ public synchronized void a(GameProfile gameprofile) { // Paper - synchronize
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(new Date());
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@@ -116,7 +117,7 @@ public class UserCache {
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UserCache.UserCacheEntry usercache_usercacheentry = new UserCache.UserCacheEntry(gameprofile, date);
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this.a(usercache_usercacheentry);
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- if( !org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly ) this.b(); // Spigot - skip saving if disabled
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+ if( !org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly ) this.b(true); // Spigot - skip saving if disabled // Paper - async
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}
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private long d() {
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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.c.get(s1);
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boolean flag = false;
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@@ -150,7 +151,7 @@ public class UserCache {
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}
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if (flag && !org.spigotmc.SpigotConfig.saveUserCacheOnStopOnly) { // Spigot - skip saving if disabled
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- this.b();
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+ this.b(true); // Paper
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}
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return gameprofile;
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@@ -232,7 +233,7 @@ public class UserCache {
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return arraylist;
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}
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- public void b() {
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+ public void b(boolean asyncSave) { // Paper
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JsonArray jsonarray = new JsonArray();
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DateFormat dateformat = e();
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@@ -240,6 +241,7 @@ public class UserCache {
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jsonarray.add(a(usercache_usercacheentry, dateformat));
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});
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String s = this.f.toJson(jsonarray);
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+ Runnable save = () -> { // Paper
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try {
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BufferedWriter bufferedwriter = Files.newWriter(this.g, StandardCharsets.UTF_8);
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@@ -267,6 +269,14 @@ public class UserCache {
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} catch (IOException ioexception) {
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;
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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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