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PaperMC/patches/server/1046-Bundle-spark.patch
Nassim Jahnke 64828f3a60
Clean up thread pool usage (#11681) 
Using an unbound LinkedBlockingQueue means you *have* to set core and max core thread pool size the same, as they will never go above the minimum pool size by just passing them through. So this fixes the async command executor pool to actually use 2 threads, and also cleans up other usage to be explicitly "fixed" thread pool sizes, and splits off one more in Minecraft's Util class
2024-11-29 17:07:35 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Riley Park <rileysebastianpark@gmail.com>
Date: Tue, 16 Jul 2024 14:55:23 -0700
Subject: [PATCH] Bundle spark
diff --git a/build.gradle.kts b/build.gradle.kts
index 9e6c2a4630ce75e4115f76b5e7a1e0b50e8b3197..faf3e3fd72e8c915e7a4803dacbe1bb576c6663e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -76,6 +76,10 @@ dependencies {
implementation("io.papermc:reflection-rewriter-runtime:$reflectionRewriterVersion")
implementation("io.papermc:reflection-rewriter-proxy-generator:$reflectionRewriterVersion")
// Paper end - Remap reflection
+ // Paper start - spark
+ implementation("me.lucko:spark-api:0.1-20240720.200737-2")
+ implementation("me.lucko:spark-paper:1.10.119-SNAPSHOT")
+ // Paper end - spark
}
paperweight {
diff --git a/src/main/java/io/papermc/paper/SparksFly.java b/src/main/java/io/papermc/paper/SparksFly.java
new file mode 100644
index 0000000000000000000000000000000000000000..62e2d5704c348955bc8284dc2d54c933b7bcdd06
--- /dev/null
+++ b/src/main/java/io/papermc/paper/SparksFly.java
@@ -0,0 +1,211 @@
+package io.papermc.paper;
+
+import io.papermc.paper.configuration.GlobalConfiguration;
+import io.papermc.paper.plugin.entrypoint.classloader.group.PaperPluginClassLoaderStorage;
+import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader;
+import io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage;
+import io.papermc.paper.util.MCUtil;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import me.lucko.spark.paper.api.Compatibility;
+import me.lucko.spark.paper.api.PaperClassLookup;
+import me.lucko.spark.paper.api.PaperScheduler;
+import me.lucko.spark.paper.api.PaperSparkModule;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.TextColor;
+import net.minecraft.util.ExceptionCollector;
+import org.bukkit.Server;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftServer;
+
+// It's like electricity.
+public final class SparksFly {
+ public static final String ID = "spark";
+ public static final String COMMAND_NAME = "spark";
+
+ private static final String PREFER_SPARK_PLUGIN_PROPERTY = "paper.preferSparkPlugin";
+
+ private static final int SPARK_YELLOW = 0xffc93a;
+
+ private final Logger logger;
+ private final PaperSparkModule spark;
+ private final ConcurrentLinkedQueue<Runnable> mainThreadTaskQueue;
+
+ private boolean enabled;
+ private boolean disabledInConfigurationWarningLogged;
+
+ public SparksFly(final Server server) {
+ this.mainThreadTaskQueue = new ConcurrentLinkedQueue<>();
+ this.logger = Logger.getLogger(ID);
+ this.logger.log(Level.INFO, "This server bundles the spark profiler. For more information please visit https://docs.papermc.io/paper/profiling");
+ this.spark = PaperSparkModule.create(Compatibility.VERSION_1_0, server, this.logger, new PaperScheduler() {
+ @Override
+ public void executeAsync(final Runnable runnable) {
+ MCUtil.scheduleAsyncTask(this.catching(runnable, "asynchronous"));
+ }
+
+ @Override
+ public void executeSync(final Runnable runnable) {
+ SparksFly.this.mainThreadTaskQueue.offer(this.catching(runnable, "synchronous"));
+ }
+
+ private Runnable catching(final Runnable runnable, final String type) {
+ return () -> {
+ try {
+ runnable.run();
+ } catch (final Throwable t) {
+ SparksFly.this.logger.log(Level.SEVERE, "An exception was encountered while executing a " + type + " spark task", t);
+ }
+ };
+ }
+ }, new PaperClassLookup() {
+ @Override
+ public Class<?> lookup(final String className) throws Exception {
+ final ExceptionCollector<ClassNotFoundException> exceptions = new ExceptionCollector<>();
+ try {
+ return Class.forName(className);
+ } catch (final ClassNotFoundException e) {
+ exceptions.add(e);
+ for (final ConfiguredPluginClassLoader loader : ((PaperPluginClassLoaderStorage) PaperClassLoaderStorage.instance()).getGlobalGroup().getClassLoaders()) {
+ try {
+ final Class<?> loadedClass = loader.loadClass(className, true, false, true);
+ if (loadedClass != null) {
+ return loadedClass;
+ }
+ } catch (final ClassNotFoundException exception) {
+ exceptions.add(exception);
+ }
+ }
+ exceptions.throwIfPresent();
+ return null;
+ }
+ }
+ });
+ }
+
+ public void executeMainThreadTasks() {
+ Runnable task;
+ while ((task = this.mainThreadTaskQueue.poll()) != null) {
+ task.run();
+ }
+ }
+
+ public void enableEarlyIfRequested() {
+ if (!isPluginPreferred() && shouldEnableImmediately()) {
+ this.enable();
+ }
+ }
+
+ public void enableBeforePlugins() {
+ if (!isPluginPreferred()) {
+ this.enable();
+ }
+ }
+
+ public void enableAfterPlugins(final Server server) {
+ final boolean isPluginPreferred = isPluginPreferred();
+ final boolean isPluginEnabled = isPluginEnabled(server);
+ if (!isPluginPreferred || !isPluginEnabled) {
+ if (isPluginPreferred && !this.enabled) {
+ this.logger.log(Level.INFO, "The spark plugin has been preferred but was not loaded. The bundled spark profiler will enabled instead.");
+ }
+ this.enable();
+ }
+ }
+
+ private void enable() {
+ if (!this.enabled) {
+ if (GlobalConfiguration.get().spark.enabled) {
+ this.enabled = true;
+ this.spark.enable();
+ } else {
+ if (!this.disabledInConfigurationWarningLogged) {
+ this.logger.log(Level.INFO, "The spark profiler will not be enabled because it is currently disabled in the configuration.");
+ this.disabledInConfigurationWarningLogged = true;
+ }
+ }
+ }
+ }
+
+ public void disable() {
+ if (this.enabled) {
+ this.spark.disable();
+ this.enabled = false;
+ }
+ }
+
+ public void registerCommandBeforePlugins(final Server server) {
+ if (!isPluginPreferred()) {
+ this.registerCommand(server);
+ }
+ }
+
+ public void registerCommandAfterPlugins(final Server server) {
+ if ((!isPluginPreferred() || !isPluginEnabled(server)) && server.getCommandMap().getCommand(COMMAND_NAME) == null) {
+ this.registerCommand(server);
+ }
+ }
+
+ private void registerCommand(final Server server) {
+ server.getCommandMap().register(COMMAND_NAME, "paper", new CommandImpl(COMMAND_NAME, this.spark.getPermissions()));
+ }
+
+ public void tickStart() {
+ this.spark.onServerTickStart();
+ }
+
+ public void tickEnd(final double duration) {
+ this.spark.onServerTickEnd(duration);
+ }
+
+ void executeCommand(final CommandSender sender, final String[] args) {
+ this.spark.executeCommand(sender, args);
+ }
+
+ List<String> tabComplete(final CommandSender sender, final String[] args) {
+ return this.spark.tabComplete(sender, args);
+ }
+
+ public static boolean isPluginPreferred() {
+ return Boolean.getBoolean(PREFER_SPARK_PLUGIN_PROPERTY);
+ }
+
+ private static boolean isPluginEnabled(final Server server) {
+ return server.getPluginManager().isPluginEnabled(ID);
+ }
+
+ private static boolean shouldEnableImmediately() {
+ return GlobalConfiguration.get().spark.enableImmediately;
+ }
+
+ public static final class CommandImpl extends Command {
+ CommandImpl(final String name, final Collection<String> permissions) {
+ super(name);
+ this.setPermission(String.join(";", permissions));
+ }
+
+ @Override
+ public boolean execute(final CommandSender sender, final String commandLabel, final String[] args) {
+ final SparksFly spark = ((CraftServer) sender.getServer()).spark;
+ if (spark.enabled) {
+ spark.executeCommand(sender, args);
+ } else {
+ sender.sendMessage(Component.text("The spark profiler is currently disabled.", TextColor.color(SPARK_YELLOW)));
+ }
+ return true;
+ }
+
+ @Override
+ public List<String> tabComplete(final CommandSender sender, final String alias, final String[] args) throws IllegalArgumentException {
+ final SparksFly spark = ((CraftServer) sender.getServer()).spark;
+ if (spark.enabled) {
+ return spark.tabComplete(sender, args);
+ }
+ return List.of();
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java b/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java
index 6b8ed8a0baaf4a57d20e57cec3400af5561ddd79..48604e7f96adc9e226e034054c5e2bad0b024eb5 100644
--- a/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java
+++ b/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java
@@ -1,6 +1,9 @@
package io.papermc.paper.plugin.provider.source;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.SparksFly;
import io.papermc.paper.plugin.PluginInitializerManager;
+import io.papermc.paper.plugin.configuration.PluginMeta;
import io.papermc.paper.plugin.entrypoint.EntrypointHandler;
import io.papermc.paper.plugin.provider.type.PluginFileType;
import org.bukkit.plugin.InvalidPluginException;
@@ -17,12 +20,14 @@ import java.nio.file.attribute.BasicFileAttributes;
import java.util.Set;
import java.util.function.Function;
import java.util.jar.JarFile;
+import org.slf4j.Logger;
/**
* Loads a plugin provider at the given plugin jar file path.
*/
public class FileProviderSource implements ProviderSource<Path, Path> {
+ private static final Logger LOGGER = LogUtils.getClassLogger();
private final Function<Path, String> contextChecker;
private final boolean applyRemap;
@@ -82,6 +87,12 @@ public class FileProviderSource implements ProviderSource<Path, Path> {
);
}
+ final PluginMeta config = type.getConfig(file);
+ if ((config.getName().equals("spark") && config.getMainClass().equals("me.lucko.spark.bukkit.BukkitSparkPlugin")) && !SparksFly.isPluginPreferred()) {
+ LOGGER.info("The spark plugin will not be loaded as this server bundles the spark profiler.");
+ return;
+ }
+
type.register(entrypointHandler, file, context);
}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 4ac8bc8dc326ef12c4ffdfdf8325f3111ca5b665..ca70815b73199835b88c9d68c8a01699536d320f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -764,6 +764,8 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// Paper end - Configurable player collision
this.server.enablePlugins(org.bukkit.plugin.PluginLoadOrder.POSTWORLD);
+ this.server.spark.registerCommandBeforePlugins(this.server); // Paper - spark
+ this.server.spark.enableAfterPlugins(this.server); // Paper - spark
if (io.papermc.paper.plugin.PluginInitializerManager.instance().pluginRemapper != null) io.papermc.paper.plugin.PluginInitializerManager.instance().pluginRemapper.pluginsEnabled(); // Paper - Remap plugins
io.papermc.paper.command.brigadier.PaperCommands.INSTANCE.setValid(); // Paper - reset invalid state for event fire below
io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner.INSTANCE.callReloadableRegistrarEvent(io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents.COMMANDS, io.papermc.paper.command.brigadier.PaperCommands.INSTANCE, org.bukkit.plugin.Plugin.class, io.papermc.paper.plugin.lifecycle.event.registrar.ReloadableRegistrarEvent.Cause.INITIAL); // Paper - call commands event for regular plugins
@@ -1051,6 +1053,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
Commands.COMMAND_SENDING_POOL.shutdownNow(); // Paper - Perf: Async command map building; Shutdown and don't bother finishing
// CraftBukkit start
if (this.server != null) {
+ this.server.spark.disable(); // Paper - spark
this.server.disablePlugins();
this.server.waitForAsyncTasksShutdown(); // Paper - Wait for Async Tasks during shutdown
}
@@ -1244,6 +1247,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
// tasks are default scheduled at -1 + delay, and first tick will tick at 1
final long actualDoneTimeMs = System.currentTimeMillis() - org.bukkit.craftbukkit.Main.BOOT_TIME.toEpochMilli(); // Paper - Add total time
LOGGER.info("Done ({})! For help, type \"help\"", String.format(java.util.Locale.ROOT, "%.3fs", actualDoneTimeMs / 1000.00D)); // Paper - Add total time
+ this.server.spark.enableBeforePlugins(); // Paper - spark
org.spigotmc.WatchdogThread.tick();
// Paper end - Improved Watchdog Support
org.spigotmc.WatchdogThread.hasStarted = true; // Paper
@@ -1626,17 +1630,21 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
if (this.emptyTicks >= j) {
+ this.server.spark.tickStart(); // Paper - spark
if (this.emptyTicks == j) {
MinecraftServer.LOGGER.info("Server empty for {} seconds, pausing", this.pauseWhileEmptySeconds());
this.autoSave();
}
this.server.getScheduler().mainThreadHeartbeat(); // CraftBukkit
+ this.server.spark.executeMainThreadTasks(); // Paper - spark
this.tickConnection();
+ this.server.spark.tickEnd(((double)(System.nanoTime() - lastTick) / 1000000D)); // Paper - spark
return;
}
}
+ this.server.spark.tickStart(); // Paper - spark
new com.destroystokyo.paper.event.server.ServerTickStartEvent(this.tickCount+1).callEvent(); // Paper - Server Tick Events
++this.tickCount;
this.tickRateManager.tick();
@@ -1654,11 +1662,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
ProfilerFiller gameprofilerfiller = Profiler.get();
this.runAllTasks(); // Paper - move runAllTasks() into full server tick (previously for timings)
+ this.server.spark.executeMainThreadTasks(); // Paper - spark
// Paper start - Server Tick Events
long endTime = System.nanoTime();
long remaining = (TICK_TIME - (endTime - lastTick)) - catchupTime;
new com.destroystokyo.paper.event.server.ServerTickEndEvent(this.tickCount, ((double)(endTime - lastTick) / 1000000D), remaining).callEvent();
// Paper end - Server Tick Events
+ this.server.spark.tickEnd(((double)(endTime - lastTick) / 1000000D)); // Paper - spark
gameprofilerfiller.push("tallying");
long k = Util.getNanos() - i;
int l = this.tickCount % 100;
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index c06863578c5d654706d93e73059d89c12ae502a5..17a158ff6ce6520b69a5a0032ba4c05449dd0cf8 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -223,6 +223,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
this.paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
this.paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
// Paper end - initialize global and world-defaults configuration
+ this.server.spark.enableEarlyIfRequested(); // Paper - spark
// Paper start - fix converting txt to json file; convert old users earlier after PlayerList creation but before file load/save
if (this.convertOldUsers()) {
this.getProfileCache().save(false); // Paper
@@ -232,6 +233,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
org.spigotmc.WatchdogThread.doStart(org.spigotmc.SpigotConfig.timeoutTime, org.spigotmc.SpigotConfig.restartOnCrash); // Paper - start watchdog thread
thread.start(); // Paper - Enhance console tab completions for brigadier commands; start console thread after MinecraftServer.console & PaperConfig are initialized
io.papermc.paper.command.PaperCommands.registerCommands(this); // Paper - setup /paper command
+ this.server.spark.registerCommandBeforePlugins(this.server); // Paper - spark
com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics(); // Paper - start metrics
com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 1df118625aeb57f3353c40f9552f00d2f34fc655..11ff5f3b5cd25f0ad6ca944d59bca8434f8510d8 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -312,6 +312,7 @@ public final class CraftServer implements Server {
public static Exception excessiveVelEx; // Paper - Velocity warnings
private final io.papermc.paper.logging.SysoutCatcher sysoutCatcher = new io.papermc.paper.logging.SysoutCatcher(); // Paper
private final io.papermc.paper.potion.PaperPotionBrewer potionBrewer; // Paper - Custom Potion Mixes
+ public final io.papermc.paper.SparksFly spark; // Paper - spark
// Paper start - Folia region threading API
private final io.papermc.paper.threadedregions.scheduler.FallbackRegionScheduler regionizedScheduler = new io.papermc.paper.threadedregions.scheduler.FallbackRegionScheduler();
@@ -489,6 +490,7 @@ public final class CraftServer implements Server {
}
this.potionBrewer = new io.papermc.paper.potion.PaperPotionBrewer(console); // Paper - custom potion mixes
datapackManager = new io.papermc.paper.datapack.PaperDatapackManager(console.getPackRepository()); // Paper
+ this.spark = new io.papermc.paper.SparksFly(this); // Paper - spark
}
public boolean getCommandBlockOverride(String command) {
@@ -1115,6 +1117,7 @@ public final class CraftServer implements Server {
this.reloadData();
org.spigotmc.SpigotConfig.registerCommands(); // Spigot
io.papermc.paper.command.PaperCommands.registerCommands(this.console); // Paper
+ this.spark.registerCommandBeforePlugins(this); // Paper - spark
this.overrideAllCommandBlockCommands = this.commandsConfiguration.getStringList("command-block-overrides").contains("*");
this.ignoreVanillaPermissions = this.commandsConfiguration.getBoolean("ignore-vanilla-permissions");
@@ -1143,6 +1146,7 @@ public final class CraftServer implements Server {
this.loadPlugins();
this.enablePlugins(PluginLoadOrder.STARTUP);
this.enablePlugins(PluginLoadOrder.POSTWORLD);
+ this.spark.registerCommandAfterPlugins(this); // Paper - spark
if (io.papermc.paper.plugin.PluginInitializerManager.instance().pluginRemapper != null) io.papermc.paper.plugin.PluginInitializerManager.instance().pluginRemapper.pluginsEnabled(); // Paper - Remap plugins
// Paper start - brigadier command API
io.papermc.paper.command.brigadier.PaperCommands.INSTANCE.setValid(); // to clear invalid state for event fire below
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