13
0
geforkt von Mirrors/Paper
Paper/patches/server/0926-Add-Lifecycle-Event-system.patch

790 Zeilen
40 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 18 Jul 2023 17:49:38 -0700
Subject: [PATCH] Add Lifecycle Event system
This event system is separate from Bukkit's event system and is
meant for managing resources across reloads and from points in the
PluginBootstrap.
diff --git a/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java
index 30b50e6294c6eaade5e17cfaf34600d122e6251c..0bb7694188d5fb75bb756ce75d0060ea980027ee 100644
--- a/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java
+++ b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java
@@ -1,6 +1,8 @@
package io.papermc.paper.plugin.bootstrap;
import io.papermc.paper.plugin.configuration.PluginMeta;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventManager;
+import io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager;
import io.papermc.paper.plugin.provider.PluginProvider;
import java.nio.file.Path;
import net.kyori.adventure.text.logger.slf4j.ComponentLogger;
@@ -12,6 +14,10 @@ public final class PluginBootstrapContextImpl implements BootstrapContext {
private final Path dataFolder;
private final ComponentLogger logger;
private final Path pluginSource;
+ // Paper start - lifecycle events
+ private boolean allowsLifecycleRegistration = true;
+ private final PaperLifecycleEventManager<BootstrapContext> lifecycleEventManager = new PaperLifecycleEventManager<>(this, () -> this.allowsLifecycleRegistration); // Paper - lifecycle events
+ // Paper end - lifecycle events
public PluginBootstrapContextImpl(PluginMeta config, Path dataFolder, ComponentLogger logger, Path pluginSource) {
this.config = config;
@@ -45,4 +51,20 @@ public final class PluginBootstrapContextImpl implements BootstrapContext {
public @NotNull Path getPluginSource() {
return this.pluginSource;
}
+
+ // Paper start - lifecycle event system
+ @Override
+ public @NotNull PluginMeta getPluginMeta() {
+ return this.config;
+ }
+
+ @Override
+ public LifecycleEventManager<BootstrapContext> getLifecycleManager() {
+ return this.lifecycleEventManager;
+ }
+
+ public void lockLifecycleEventRegistration() {
+ this.allowsLifecycleRegistration = false;
+ }
+ // Paper end
}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/LifecycleEventRunner.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/LifecycleEventRunner.java
new file mode 100644
index 0000000000000000000000000000000000000000..d0ef7fa0b3e5935d48f894596be6672b0016948a
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/LifecycleEventRunner.java
@@ -0,0 +1,110 @@
+package io.papermc.paper.plugin.lifecycle.event;
+
+import com.google.common.base.Suppliers;
+import com.mojang.logging.LogUtils;
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.registrar.PaperRegistrar;
+import io.papermc.paper.plugin.lifecycle.event.registrar.RegistrarEvent;
+import io.papermc.paper.plugin.lifecycle.event.registrar.RegistrarEventImpl;
+import io.papermc.paper.plugin.lifecycle.event.registrar.ReloadableRegistrarEvent;
+import io.papermc.paper.plugin.lifecycle.event.types.AbstractLifecycleEventType;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventType;
+import io.papermc.paper.plugin.lifecycle.event.types.OwnerAwareLifecycleEvent;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import org.bukkit.plugin.Plugin;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+import org.slf4j.Logger;
+
+@DefaultQualifier(NonNull.class)
+public class LifecycleEventRunner {
+
+ private static final Logger LOGGER = LogUtils.getClassLogger();
+ private static final Supplier<Set<LifecycleEventType<?, ?, ?>>> BLOCKS_RELOADING = Suppliers.memoize(() -> Set.of( // lazy due to cyclic initialization
+ ));
+ public static final LifecycleEventRunner INSTANCE = new LifecycleEventRunner();
+
+ private final List<LifecycleEventType<?, ?, ?>> lifecycleEventTypes = new ArrayList<>();
+ private boolean blockPluginReloading = false;
+
+ public void checkRegisteredHandler(final LifecycleEventOwner owner, final LifecycleEventType<?, ?, ?> eventType) {
+ /*
+ Lifecycle event handlers for reloadable events that are registered from the BootstrapContext prevent
+ the server from reloading plugins. This is because reloading plugins requires disabling all the plugins,
+ running the reload logic (which would include places where these events should fire) and then re-enabling plugins.
+ */
+ if (owner instanceof BootstrapContext && BLOCKS_RELOADING.get().contains(eventType)) {
+ this.blockPluginReloading = true;
+ }
+ }
+
+ public boolean blocksPluginReloading() {
+ return this.blockPluginReloading;
+ }
+
+ public <O extends LifecycleEventOwner, E extends LifecycleEvent, ET extends LifecycleEventType<O, E, ?>> ET addEventType(final ET eventType) {
+ this.lifecycleEventTypes.add(eventType);
+ return eventType;
+ }
+
+ public <O extends LifecycleEventOwner, E extends PaperLifecycleEvent> void callEvent(final LifecycleEventType<O, ? super E, ?> eventType, final E event) {
+ this.callEvent(eventType, event, $ -> true);
+ }
+
+ public <O extends LifecycleEventOwner, E extends PaperLifecycleEvent> void callEvent(final LifecycleEventType<O, ? super E, ?> eventType, final E event, final Predicate<? super O> ownerPredicate) {
+ final AbstractLifecycleEventType<O, ? super E, ?> lifecycleEventType = (AbstractLifecycleEventType<O, ? super E, ?>) eventType;
+ lifecycleEventType.forEachHandler(event, registeredHandler -> {
+ try {
+ if (event instanceof final OwnerAwareLifecycleEvent<?> ownerAwareEvent) {
+ ownerAwareGenericHelper(ownerAwareEvent, registeredHandler.owner());
+ }
+ registeredHandler.lifecycleEventHandler().run(event);
+ } catch (final Throwable ex) {
+ throw new RuntimeException("Could not run '%s' lifecycle event handler from %s".formatted(lifecycleEventType.name(), registeredHandler.owner().getPluginMeta().getDisplayName()), ex);
+ } finally {
+ if (event instanceof final OwnerAwareLifecycleEvent<?> ownerAwareEvent) {
+ ownerAwareEvent.setOwner(null);
+ }
+ }
+ }, handler -> ownerPredicate.test(handler.owner()));
+ event.invalidate();
+ }
+
+ private static <O extends LifecycleEventOwner> void ownerAwareGenericHelper(final OwnerAwareLifecycleEvent<O> event, final LifecycleEventOwner possibleOwner) {
+ final @Nullable O owner = event.castOwner(possibleOwner);
+ if (owner != null) {
+ event.setOwner(owner);
+ } else {
+ throw new IllegalStateException("Found invalid owner " + possibleOwner + " for event " + event);
+ }
+ }
+
+ public void unregisterAllEventHandlersFor(final Plugin plugin) {
+ for (final LifecycleEventType<?, ?, ?> lifecycleEventType : this.lifecycleEventTypes) {
+ this.removeEventHandlersOwnedBy(lifecycleEventType, plugin);
+ }
+ }
+
+ private <O extends LifecycleEventOwner> void removeEventHandlersOwnedBy(final LifecycleEventType<O, ?, ?> eventType, final Plugin possibleOwner) {
+ final AbstractLifecycleEventType<O, ?, ?> lifecycleEventType = (AbstractLifecycleEventType<O, ?, ?>) eventType;
+ lifecycleEventType.removeMatching(registeredHandler -> registeredHandler.owner().getPluginMeta().getName().equals(possibleOwner.getPluginMeta().getName()));
+ }
+
+ @SuppressWarnings("unchecked")
+ public <O extends LifecycleEventOwner, R extends PaperRegistrar<? super O>> void callStaticRegistrarEvent(final LifecycleEventType<O, ? extends RegistrarEvent<? super R>, ?> lifecycleEventType, final R registrar, final Class<? extends O> ownerClass) {
+ this.callEvent((LifecycleEventType<O, RegistrarEvent<? super R>, ?>) lifecycleEventType, new RegistrarEventImpl<>(registrar, ownerClass), ownerClass::isInstance);
+ }
+
+ @SuppressWarnings("unchecked")
+ public <O extends LifecycleEventOwner, R extends PaperRegistrar<? super O>> void callReloadableRegistrarEvent(final LifecycleEventType<O, ? extends ReloadableRegistrarEvent<? super R>, ?> lifecycleEventType, final R registrar, final Class<? extends O> ownerClass, final ReloadableRegistrarEvent.Cause cause) {
+ this.callEvent((LifecycleEventType<O, ReloadableRegistrarEvent<? super R>, ?>) lifecycleEventType, new RegistrarEventImpl.ReloadableImpl<>(registrar, ownerClass, cause), ownerClass::isInstance);
+ }
+
+ private LifecycleEventRunner() {
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEvent.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..e941405269a773e8a77e26ffd1afd84f53fadff5
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEvent.java
@@ -0,0 +1,10 @@
+package io.papermc.paper.plugin.lifecycle.event;
+
+public interface PaperLifecycleEvent extends LifecycleEvent {
+
+ // called after all handlers have been run. Can be
+ // used to invalid various contexts to plugins can't
+ // try to re-use them by storing them from the event
+ default void invalidate() {
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEventManager.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEventManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..d05334016bd01201c755dea04c0cea56b6dfcb50
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/PaperLifecycleEventManager.java
@@ -0,0 +1,26 @@
+package io.papermc.paper.plugin.lifecycle.event;
+
+import com.google.common.base.Preconditions;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.AbstractLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.LifecycleEventHandlerConfiguration;
+import java.util.function.BooleanSupplier;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class PaperLifecycleEventManager<O extends LifecycleEventOwner> implements LifecycleEventManager<O> {
+
+ private final O owner;
+ public final BooleanSupplier registrationCheck;
+
+ public PaperLifecycleEventManager(final O owner, final BooleanSupplier registrationCheck) {
+ this.owner = owner;
+ this.registrationCheck = registrationCheck;
+ }
+
+ @Override
+ public void registerEventHandler(final LifecycleEventHandlerConfiguration<? super O> handlerConfiguration) {
+ Preconditions.checkState(this.registrationCheck.getAsBoolean(), "Cannot register lifecycle event handlers");
+ ((AbstractLifecycleEventHandlerConfiguration<? super O, ?>) handlerConfiguration).registerFrom(this.owner);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/AbstractLifecycleEventHandlerConfiguration.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/AbstractLifecycleEventHandlerConfiguration.java
new file mode 100644
index 0000000000000000000000000000000000000000..fa216e6fd804859293385ed43c53dfca057f317f
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/AbstractLifecycleEventHandlerConfiguration.java
@@ -0,0 +1,28 @@
+package io.papermc.paper.plugin.lifecycle.event.handler.configuration;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.types.AbstractLifecycleEventType;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public abstract class AbstractLifecycleEventHandlerConfiguration<O extends LifecycleEventOwner, E extends LifecycleEvent> implements LifecycleEventHandlerConfiguration<O> {
+
+ private final LifecycleEventHandler<? super E> handler;
+ private final AbstractLifecycleEventType<O, E, ?> type;
+
+ protected AbstractLifecycleEventHandlerConfiguration(final LifecycleEventHandler<? super E> handler, final AbstractLifecycleEventType<O, E, ?> type) {
+ this.handler = handler;
+ this.type = type;
+ }
+
+ public final void registerFrom(final O owner) {
+ this.type.tryRegister(owner, this);
+ }
+
+ public LifecycleEventHandler<? super E> handler() {
+ return this.handler;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/MonitorLifecycleEventHandlerConfigurationImpl.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/MonitorLifecycleEventHandlerConfigurationImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..ab444d60d72bd692843052df5d7b24fbb5621cf7
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/MonitorLifecycleEventHandlerConfigurationImpl.java
@@ -0,0 +1,28 @@
+package io.papermc.paper.plugin.lifecycle.event.handler.configuration;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.types.AbstractLifecycleEventType;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public class MonitorLifecycleEventHandlerConfigurationImpl<O extends LifecycleEventOwner, E extends LifecycleEvent> extends AbstractLifecycleEventHandlerConfiguration<O, E> implements MonitorLifecycleEventHandlerConfiguration<O> {
+
+ private boolean monitor = false;
+
+ public MonitorLifecycleEventHandlerConfigurationImpl(final LifecycleEventHandler<? super E> handler, final AbstractLifecycleEventType<O, E, ?> eventType) {
+ super(handler, eventType);
+ }
+
+ public boolean isMonitor() {
+ return this.monitor;
+ }
+
+ @Override
+ public MonitorLifecycleEventHandlerConfiguration<O> monitor() {
+ this.monitor = true;
+ return this;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/PrioritizedLifecycleEventHandlerConfigurationImpl.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/PrioritizedLifecycleEventHandlerConfigurationImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..ccdad31717bf12b844cbeaf11a49247485ec77f1
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/handler/configuration/PrioritizedLifecycleEventHandlerConfigurationImpl.java
@@ -0,0 +1,40 @@
+package io.papermc.paper.plugin.lifecycle.event.handler.configuration;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.types.AbstractLifecycleEventType;
+import java.util.OptionalInt;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public class PrioritizedLifecycleEventHandlerConfigurationImpl<O extends LifecycleEventOwner, E extends LifecycleEvent>
+ extends AbstractLifecycleEventHandlerConfiguration<O, E>
+ implements PrioritizedLifecycleEventHandlerConfiguration<O> {
+
+ private static final OptionalInt DEFAULT_PRIORITY = OptionalInt.of(0);
+ private static final OptionalInt MONITOR_PRIORITY = OptionalInt.empty();
+
+ private OptionalInt priority = DEFAULT_PRIORITY;
+
+ public PrioritizedLifecycleEventHandlerConfigurationImpl(final LifecycleEventHandler<? super E> handler, final AbstractLifecycleEventType<O, E, ?> eventType) {
+ super(handler, eventType);
+ }
+
+ public OptionalInt priority() {
+ return this.priority;
+ }
+
+ @Override
+ public PrioritizedLifecycleEventHandlerConfiguration<O> priority(final int priority) {
+ this.priority = OptionalInt.of(priority);
+ return this;
+ }
+
+ @Override
+ public PrioritizedLifecycleEventHandlerConfiguration<O> monitor() {
+ this.priority = MONITOR_PRIORITY;
+ return this;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/PaperRegistrar.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/PaperRegistrar.java
new file mode 100644
index 0000000000000000000000000000000000000000..b2586c881988fbabe07eef1b43eb1b55f2d3fa52
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/PaperRegistrar.java
@@ -0,0 +1,15 @@
+package io.papermc.paper.plugin.lifecycle.event.registrar;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public interface PaperRegistrar<O extends LifecycleEventOwner> extends Registrar {
+
+ void setCurrentContext(@Nullable O owner);
+
+ default void invalidate() {
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/RegistrarEventImpl.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/RegistrarEventImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..6d530c52aaf0dc2cdfe3bd56af557274a7f44256
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/registrar/RegistrarEventImpl.java
@@ -0,0 +1,70 @@
+package io.papermc.paper.plugin.lifecycle.event.registrar;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.types.OwnerAwareLifecycleEvent;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public class RegistrarEventImpl<R extends PaperRegistrar<? super O>, O extends LifecycleEventOwner> implements PaperLifecycleEvent, OwnerAwareLifecycleEvent<O>, RegistrarEvent<R> {
+
+ private final R registrar;
+ private final Class<? extends O> ownerClass;
+
+ public RegistrarEventImpl(final R registrar, final Class<? extends O> ownerClass) {
+ this.registrar = registrar;
+ this.ownerClass = ownerClass;
+ }
+
+ @Override
+ public R registrar() {
+ return this.registrar;
+ }
+
+ @Override
+ public final void setOwner(final @Nullable O owner) {
+ this.registrar.setCurrentContext(owner);
+ }
+
+ @Override
+ public final @Nullable O castOwner(final LifecycleEventOwner owner) {
+ return this.ownerClass.isInstance(owner) ? this.ownerClass.cast(owner) : null;
+ }
+
+ @Override
+ public void invalidate() {
+ this.registrar.invalidate();
+ }
+
+ @Override
+ public String toString() {
+ return "RegistrarEventImpl{" +
+ "registrar=" + this.registrar +
+ ", ownerClass=" + this.ownerClass +
+ '}';
+ }
+
+ public static class ReloadableImpl<R extends PaperRegistrar<? super O>, O extends LifecycleEventOwner> extends RegistrarEventImpl<R, O> implements ReloadableRegistrarEvent<R> {
+
+ private final ReloadableRegistrarEvent.Cause cause;
+
+ public ReloadableImpl(final R registrar, final Class<? extends O> ownerClass, final Cause cause) {
+ super(registrar, ownerClass);
+ this.cause = cause;
+ }
+
+ @Override
+ public Cause cause() {
+ return this.cause;
+ }
+
+ @Override
+ public String toString() {
+ return "ReloadableImpl{" +
+ "cause=" + this.cause +
+ "} " + super.toString();
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/AbstractLifecycleEventType.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/AbstractLifecycleEventType.java
new file mode 100644
index 0000000000000000000000000000000000000000..30f47879f87fc991c651416546c2f068209545f2
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/AbstractLifecycleEventType.java
@@ -0,0 +1,56 @@
+package io.papermc.paper.plugin.lifecycle.event.types;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.AbstractLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.LifecycleEventHandlerConfiguration;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public abstract class AbstractLifecycleEventType<O extends LifecycleEventOwner, E extends LifecycleEvent, C extends LifecycleEventHandlerConfiguration<O>> implements LifecycleEventType<O, E, C> {
+
+ private final String name;
+ private final Class<? extends O> ownerType;
+
+ protected AbstractLifecycleEventType(final String name, final Class<? extends O> ownerType) {
+ this.name = name;
+ this.ownerType = ownerType;
+ }
+
+ @Override
+ public String name() {
+ return this.name;
+ }
+
+ private void verifyOwner(final O owner) {
+ if (!this.ownerType.isInstance(owner)) {
+ throw new IllegalArgumentException("You cannot register the lifecycle event '" + this.name + "' on " + owner);
+ }
+ }
+
+ public abstract boolean hasHandlers();
+
+ public abstract void forEachHandler(E event, Consumer<RegisteredHandler<O, E>> consumer, Predicate<RegisteredHandler<O, E>> predicate);
+
+ public abstract void removeMatching(Predicate<RegisteredHandler<O, E>> predicate);
+
+ protected abstract void register(O owner, AbstractLifecycleEventHandlerConfiguration<O, E> config);
+
+ public final void tryRegister(final O owner, final AbstractLifecycleEventHandlerConfiguration<O, E> config) {
+ this.verifyOwner(owner);
+ LifecycleEventRunner.INSTANCE.checkRegisteredHandler(owner, this);
+ this.register(owner, config);
+ }
+
+ public record RegisteredHandler<O extends LifecycleEventOwner, E extends LifecycleEvent>(O owner, AbstractLifecycleEventHandlerConfiguration<O, E> config) {
+
+ public LifecycleEventHandler<? super E> lifecycleEventHandler() {
+ return this.config().handler();
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/LifecycleEventTypeProviderImpl.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/LifecycleEventTypeProviderImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..7e84e0acd50ef04fa1ee2577f49e51c63f5ba5c3
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/LifecycleEventTypeProviderImpl.java
@@ -0,0 +1,25 @@
+package io.papermc.paper.plugin.lifecycle.event.types;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class LifecycleEventTypeProviderImpl implements LifecycleEventTypeProvider {
+
+ public static LifecycleEventTypeProviderImpl instance() {
+ return (LifecycleEventTypeProviderImpl) LifecycleEventTypeProvider.provider();
+ }
+
+ @Override
+ public <O extends LifecycleEventOwner, E extends LifecycleEvent> LifecycleEventType.Monitorable<O, E> monitor(final String name, final Class<? extends O> ownerType) {
+ return LifecycleEventRunner.INSTANCE.addEventType(new MonitorableLifecycleEventType<>(name, ownerType));
+ }
+
+ @Override
+ public <O extends LifecycleEventOwner, E extends LifecycleEvent> LifecycleEventType.Prioritizable<O, E> prioritized(final String name, final Class<? extends O> ownerType) {
+ return LifecycleEventRunner.INSTANCE.addEventType(new PrioritizableLifecycleEventType.Simple<>(name, ownerType));
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/MonitorableLifecycleEventType.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/MonitorableLifecycleEventType.java
new file mode 100644
index 0000000000000000000000000000000000000000..abb969cf6ed967fe7720c56d3b3157bd1b74700d
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/MonitorableLifecycleEventType.java
@@ -0,0 +1,63 @@
+package io.papermc.paper.plugin.lifecycle.event.types;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.AbstractLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.MonitorLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.MonitorLifecycleEventHandlerConfigurationImpl;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public class MonitorableLifecycleEventType<O extends LifecycleEventOwner, E extends LifecycleEvent> extends AbstractLifecycleEventType<O, E, MonitorLifecycleEventHandlerConfiguration<O>> implements LifecycleEventType.Monitorable<O, E> {
+
+ final List<RegisteredHandler<O, E>> handlers = new ArrayList<>();
+ int nonMonitorIdx = 0;
+
+ public MonitorableLifecycleEventType(final String name, final Class<? extends O> ownerType) {
+ super(name, ownerType);
+ }
+
+ @Override
+ public boolean hasHandlers() {
+ return !this.handlers.isEmpty();
+ }
+
+ @Override
+ public MonitorLifecycleEventHandlerConfigurationImpl<O, E> newHandler(final LifecycleEventHandler<? super E> handler) {
+ return new MonitorLifecycleEventHandlerConfigurationImpl<>(handler, this);
+ }
+
+ @Override
+ protected void register(final O owner, final AbstractLifecycleEventHandlerConfiguration<O, E> config) {
+ if (!(config instanceof final MonitorLifecycleEventHandlerConfigurationImpl<?,?> monitor)) {
+ throw new IllegalArgumentException("Configuration must be a MonitorLifecycleEventHandlerConfiguration");
+ }
+ final RegisteredHandler<O, E> registeredHandler = new RegisteredHandler<>(owner, config);
+ if (!monitor.isMonitor()) {
+ this.handlers.add(this.nonMonitorIdx, registeredHandler);
+ this.nonMonitorIdx++;
+ } else {
+ this.handlers.add(registeredHandler);
+ }
+ }
+
+ @Override
+ public void forEachHandler(final E event, final Consumer<RegisteredHandler<O, E>> consumer, final Predicate<RegisteredHandler<O, E>> predicate) {
+ for (final RegisteredHandler<O, E> handler : this.handlers) {
+ if (predicate.test(handler)) {
+ consumer.accept(handler);
+ }
+ }
+ }
+
+ @Override
+ public void removeMatching(final Predicate<RegisteredHandler<O, E>> predicate) {
+ this.handlers.removeIf(predicate);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/OwnerAwareLifecycleEvent.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/OwnerAwareLifecycleEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..3e7e7474f301c0725fa2bcd6e19e476fc35f2d5a
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/OwnerAwareLifecycleEvent.java
@@ -0,0 +1,15 @@
+package io.papermc.paper.plugin.lifecycle.event.types;
+
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public interface OwnerAwareLifecycleEvent<O extends LifecycleEventOwner> extends LifecycleEvent {
+
+ void setOwner(@Nullable O owner);
+
+ @Nullable O castOwner(LifecycleEventOwner owner);
+}
diff --git a/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/PrioritizableLifecycleEventType.java b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/PrioritizableLifecycleEventType.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ed622a61ddc37b11888867770b513909b9a2ecc
--- /dev/null
+++ b/src/main/java/io/papermc/paper/plugin/lifecycle/event/types/PrioritizableLifecycleEventType.java
@@ -0,0 +1,79 @@
+package io.papermc.paper.plugin.lifecycle.event.types;
+
+import com.google.common.base.Preconditions;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEvent;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventOwner;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.AbstractLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.PrioritizedLifecycleEventHandlerConfiguration;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.PrioritizedLifecycleEventHandlerConfigurationImpl;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public abstract class PrioritizableLifecycleEventType<
+ O extends LifecycleEventOwner,
+ E extends LifecycleEvent,
+ C extends PrioritizedLifecycleEventHandlerConfiguration<O>
+> extends AbstractLifecycleEventType<O, E, C> {
+
+ private static final Comparator<RegisteredHandler<?, ?>> COMPARATOR = Comparator.comparing(handler -> ((PrioritizedLifecycleEventHandlerConfigurationImpl<?, ?>) handler.config()).priority(), (o1, o2) -> {
+ if (o1.equals(o2)) {
+ return 0;
+ } else if (o1.isEmpty()) {
+ return 1;
+ } else if (o2.isEmpty()) {
+ return -1;
+ } else {
+ return Integer.compare(o1.getAsInt(), o2.getAsInt());
+ }
+ });
+
+ private final List<RegisteredHandler<O, E>> handlers = new ArrayList<>();
+
+ public PrioritizableLifecycleEventType(final String name, final Class<? extends O> ownerType) {
+ super(name, ownerType);
+ }
+
+ @Override
+ public boolean hasHandlers() {
+ return !this.handlers.isEmpty();
+ }
+
+ @Override
+ protected void register(final O owner, final AbstractLifecycleEventHandlerConfiguration<O, E> config) {
+ Preconditions.checkArgument(config instanceof PrioritizedLifecycleEventHandlerConfigurationImpl<?, ?>, "Configuration must be a PrioritizedLifecycleEventHandlerConfiguration");
+ this.handlers.add(new RegisteredHandler<>(owner, config));
+ this.handlers.sort(COMPARATOR);
+ }
+
+ @Override
+ public void forEachHandler(final E event, final Consumer<RegisteredHandler<O, E>> consumer, final Predicate<RegisteredHandler<O, E>> predicate) {
+ for (final RegisteredHandler<O, E> handler : this.handlers) {
+ if (predicate.test(handler)) {
+ consumer.accept(handler);
+ }
+ }
+ }
+
+ @Override
+ public void removeMatching(final Predicate<RegisteredHandler<O, E>> predicate) {
+ this.handlers.removeIf(predicate);
+ }
+
+ public static class Simple<O extends LifecycleEventOwner, E extends LifecycleEvent> extends PrioritizableLifecycleEventType<O, E, PrioritizedLifecycleEventHandlerConfiguration<O>> implements LifecycleEventType.Prioritizable<O, E> {
+ public Simple(final String name, final Class<? extends O> ownerType) {
+ super(name, ownerType);
+ }
+
+ @Override
+ public PrioritizedLifecycleEventHandlerConfiguration<O> newHandler(final LifecycleEventHandler<? super E> handler) {
+ return new PrioritizedLifecycleEventHandlerConfigurationImpl<>(handler, this);
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
2024-04-26 08:17:15 +02:00
index 834b85f24df023642f8abf7213fe578ac8c17a3e..3e82ea07ca4194844c5528446e2c4a46ff4acee5 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java
2024-04-26 08:17:15 +02:00
@@ -293,6 +293,15 @@ class PaperPluginInstanceManager {
+ pluginName + " (Is it up to date?)", ex, plugin); // Paper
}
+ // Paper start - lifecycle event system
+ try {
+ io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner.INSTANCE.unregisterAllEventHandlersFor(plugin);
+ } catch (Throwable ex) {
+ this.handlePluginException("Error occurred (in the plugin loader) while unregistering lifecycle event handlers for "
+ + pluginName + " (Is it up to date?)", ex, plugin);
+ }
+ // Paper end
+
try {
this.server.getMessenger().unregisterIncomingPluginChannel(plugin);
this.server.getMessenger().unregisterOutgoingPluginChannel(plugin);
diff --git a/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java
index 2e96308696e131f3f013469a395e5ddda2c5d529..65a66e484c1c39c5f41d97db52f31c67b4479d20 100644
--- a/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java
+++ b/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java
@@ -32,8 +32,9 @@ public class BootstrapProviderStorage extends SimpleProviderStorage<PluginBootst
@Override
public boolean load(PluginProvider<PluginBootstrap> provider, PluginBootstrap provided) {
try {
- BootstrapContext context = PluginBootstrapContextImpl.create(provider, PluginInitializerManager.instance().pluginDirectoryPath());
+ PluginBootstrapContextImpl context = PluginBootstrapContextImpl.create(provider, PluginInitializerManager.instance().pluginDirectoryPath()); // Paper - lifecycle events
provided.bootstrap(context);
+ context.lockLifecycleEventRegistration(); // Paper - lifecycle events
return true;
} catch (Throwable e) {
LOGGER.error("Failed to run bootstrapper for %s. This plugin will not be loaded.".formatted(provider.getSource()), e);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11405) 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: 1fc1020a PR-1049: Add MenuType API 8ae2e3be PR-1055: Expand riptiding API cac68bfb SPIGOT-7890: AttributeModifier#getUniqueId() doesn't match the UUID passed to its constructor 7004fcf2 SPIGOT-7886: Fix mistake in AttributeModifier UUID shim 1ac7f950 PR-1054: Add FireworkMeta#hasPower 4cfb565f SPIGOT-7873: Add powered state for skulls CraftBukkit Changes: bbb30e7a8 SPIGOT-7894: NPE when sending tile entity update ba21e9472 SPIGOT-7895: PlayerItemBreakEvent not firing 0fb24bbe0 SPIGOT-7875: Fix PlayerItemConsumeEvent cancellation causing client-side desync 815066449 SPIGOT-7891: Can't remove second ingredient of MerchantRecipe 45c206f2c PR-1458: Add MenuType API 19c8ef9ae SPIGOT-7867: Merchant instanceof AbstractVillager always returns false 4e006d28f PR-1468: Expand riptiding API bd8aded7d Ignore checks in CraftPlayerProfile for ResolvableProfile used in profile components 8679620b5 SPIGOT-7889: Fix tool component deserialisation without speed and/or correct-for-drops 8d5222691 SPIGOT-7882, PR-1467: Fix conversion of name in Profile Component to empty if it is missing 63f91669a SPIGOT-7887: Remove duplicate ProjectileHitEvent for fireballs 7070de8c8 SPIGOT-7878: Server#getLootTable does not return null on invalid loot table 060ee6cae SPIGOT-7876: Can't kick player or disconnect player in PlayerLoginEvent when checking for cookies 7ccb86cc0 PR-1465: Add FireworkMeta#hasPower 804ad6491 SPIGOT-7873: Add powered state for skulls f9610cdcb Improve minecart movement Spigot Changes: a759b629 Rebuild patches Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
2024-09-15 21:39:53 +02:00
index 733bd5c4951426fc9471a18d4b71cb4fa1532ec2..33fbcd9fabfc42fdd457b9c7a41e4ce0281cd2c0 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11102) 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: 3a3bea52 SPIGOT-7829: Increase maximum outgoing plugin message size to match Vanilla intention 5cd1c8cb SPIGOT-7831: Add CreatureSpawnEvent.SpawnReason#POTION_EFFECT a8e278f0 SPIGOT-7827: Sync EntityPortalEvent with PlayerPortalEvent since non-players can now create portals 53729d12 Remove spurious ApiStatus.Internal annotation b9f57486 SPIGOT-7799, PR-1039: Expose explosion world interaction in EntityExplodeEvent and BlockExplodeEvent 7983b966 PR-1029: Trial changing a small number of inner enums to classes/interfaces to better support custom values CraftBukkit Changes: 403accd56 SPIGOT-7831: Add CreatureSpawnEvent.SpawnReason#POTION_EFFECT 812761660 Increase outdated build delay bed1e3ff6 SPIGOT-7827: Sync EntityPortalEvent with PlayerPortalEvent since non-players can now create portals 2444c8b23 SPIGOT-7823: Suspicious sand and gravel material are not marked as having gravity correctly aceddcd0b SPIGOT-7820: Enum changes - duplicate method name a0d2d6a84 SPIGOT-7813: Material#isInteractable() always returns false 8fd64b091 SPIGOT-7806: Handle both loot and inventory item drop behaviour in PlayerDeathEvent a4ee40b74 SPIGOT-7799, PR-1436: Expose explosion world interaction in EntityExplodeEvent and BlockExplodeEvent 082aa51c5 PR-1424: Trial changing a small number of inner enums to classes/interfaces to better support custom values 66e78a96b SPIGOT-7815: Consider EntityDamageEvent status for Wolf armor damage Spigot Changes: 5bbef5ad SPIGOT-7834: Modify max value for generic.max_absorption
2024-07-18 10:13:20 +02:00
@@ -1047,6 +1047,11 @@ public final class CraftServer implements Server {
@Override
public void reload() {
+ // Paper start - lifecycle events
+ if (io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner.INSTANCE.blocksPluginReloading()) {
+ throw new IllegalStateException("A lifecycle event handler has been registered which makes reloading plugins not possible");
+ }
+ // Paper end - lifecycle events
org.spigotmc.WatchdogThread.hasStarted = false; // Paper - Disable watchdog early timeout on reload
this.reloadCount++;
this.configuration = YamlConfiguration.loadConfiguration(this.getConfigFile());
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
2024-08-31 20:29:50 +02:00
index 9ea1ce24d831a828ae3c9c9863aef12e46dd501d..ef56c54bd724137c1efbbac574e54027d7f7f5bc 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -646,6 +646,13 @@ public final class CraftMagicNumbers implements UnsafeValues {
}
// Paper end - spawn egg color visibility
+ // Paper start - lifecycle event API
+ @Override
+ public io.papermc.paper.plugin.lifecycle.event.LifecycleEventManager<org.bukkit.plugin.Plugin> createPluginLifecycleEventManager(final org.bukkit.plugin.java.JavaPlugin plugin, final java.util.function.BooleanSupplier registrationCheck) {
+ return new io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEventManager<>(plugin, registrationCheck);
+ }
+ // Paper end - lifecycle event API
+
/**
* This helper class represents the different NBT Tags.
* <p>
diff --git a/src/main/resources/META-INF/services/io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventTypeProvider b/src/main/resources/META-INF/services/io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventTypeProvider
new file mode 100644
index 0000000000000000000000000000000000000000..808b1192b60348ad05f0bfbdeda6f94df4876743
--- /dev/null
+++ b/src/main/resources/META-INF/services/io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventTypeProvider
@@ -0,0 +1 @@
+io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventTypeProviderImpl
diff --git a/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java b/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java
index 1d14f530ef888102e47eeeaf0d1a6076e51871c4..90cf0c702ca2ff9de64d9718ecba5f2d128953a6 100644
--- a/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java
+++ b/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java
@@ -143,4 +143,11 @@ public class PaperTestPlugin extends PluginBase {
public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
throw new UnsupportedOperationException("Not supported.");
}
+
+ // Paper start - lifecycle events
+ @Override
+ public io.papermc.paper.plugin.lifecycle.event.LifecycleEventManager<org.bukkit.plugin.Plugin> getLifecycleManager() {
+ throw new UnsupportedOperationException("Not supported.");
+ }
+ // Paper end - lifecycle events
}