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Aeltumn 2024-01-21 20:46:06 +01:00
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238
patches/api/0455-Provide-registered-listeners-in-the-PluginManager-an.patch Normale Datei
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@ -0,0 +1,238 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aeltumn <daniel@goossens.ch>
Date: Sun, 20 Aug 2023 19:39:43 +0200
Subject: [PATCH] Provide registered listeners in the PluginManager and add
faster unregistration method
Adds new methods that supersede the old registerEvent methods but return a RegisteredListener object. And adds an unregister() method to RegisteredListener which allows for targetted unregistration instead of unregistering from all HandlerLists which is inefficient when unregistering listeners often.
diff --git a/src/main/java/org/bukkit/event/HandlerList.java b/src/main/java/org/bukkit/event/HandlerList.java
index 2292bd460ce2be113beb4ba6b4eb19350060f01c..6d66a6293986ff4e6b195c3de8c58730f6441d51 100644
--- a/src/main/java/org/bukkit/event/HandlerList.java
+++ b/src/main/java/org/bukkit/event/HandlerList.java
@@ -61,6 +61,11 @@ public class HandlerList {
for (HandlerList h : allLists) {
synchronized (h) {
for (List<RegisteredListener> list : h.handlerslots.values()) {
+ // Paper start - store handler list on registered listener
+ for (RegisteredListener listener : list) {
+ listener.unregisterHandlerList(h);
+ }
+ // Paper end - store handler list on registered listener
list.clear();
}
h.handlers = null;
@@ -126,6 +131,7 @@ public class HandlerList {
throw new IllegalStateException("This listener is already registered to priority " + listener.getPriority().toString());
handlers = null;
handlerslots.get(listener.getPriority()).add(listener);
+ listener.registerHandlerList(this); // Paper - store handler list on registered listener
}
/**
@@ -146,6 +152,7 @@ public class HandlerList {
*/
public synchronized void unregister(@NotNull RegisteredListener listener) {
if (handlerslots.get(listener.getPriority()).remove(listener)) {
+ listener.unregisterHandlerList(this); // Paper - store handler list on registered listener
handlers = null;
}
}
@@ -159,7 +166,11 @@ public class HandlerList {
boolean changed = false;
for (List<RegisteredListener> list : handlerslots.values()) {
for (ListIterator<RegisteredListener> i = list.listIterator(); i.hasNext();) {
- if (i.next().getPlugin().equals(plugin)) {
+ // Paper start - store handler list on registered listener
+ RegisteredListener registeredListener = i.next();
+ if (registeredListener.getPlugin().equals(plugin)) {
+ registeredListener.unregisterHandlerList(this);
+ // Paper end - store handler list on registered listener
i.remove();
changed = true;
}
@@ -177,7 +188,11 @@ public class HandlerList {
boolean changed = false;
for (List<RegisteredListener> list : handlerslots.values()) {
for (ListIterator<RegisteredListener> i = list.listIterator(); i.hasNext();) {
- if (i.next().getListener().equals(listener)) {
+ // Paper start - store handler list on registered listener
+ RegisteredListener registeredListener = i.next();
+ if (registeredListener.getListener().equals(listener)) {
+ registeredListener.unregisterHandlerList(this);
+ // Paper end - store handler list on registered listener
i.remove();
changed = true;
}
diff --git a/src/main/java/org/bukkit/plugin/PluginManager.java b/src/main/java/org/bukkit/plugin/PluginManager.java
index 03213fde8315384ec56c16031cfc606ade2e8091..45a7e6e10300f2ff800daaa0e3660c665907694f 100644
--- a/src/main/java/org/bukkit/plugin/PluginManager.java
+++ b/src/main/java/org/bukkit/plugin/PluginManager.java
@@ -115,25 +115,36 @@ public interface PluginManager extends io.papermc.paper.plugin.PermissionManager
/**
* Registers all the events in the given listener class
*
+ * Superseded by {@link PluginManager#registerListener(Listener, Plugin)} which
+ * also returns the registered listener
+ *
* @param listener Listener to register
* @param plugin Plugin to register
*/
+ @org.jetbrains.annotations.ApiStatus.Obsolete
public void registerEvents(@NotNull Listener listener, @NotNull Plugin plugin);
/**
* Registers the specified executor to the given event class
*
+ * Superseded by {@link PluginManager#registerListener(Class, Listener, EventPriority, EventExecutor, Plugin)}
+ * which also returns the registered listener
+ *
* @param event Event type to register
* @param listener Listener to register
* @param priority Priority to register this event at
* @param executor EventExecutor to register
* @param plugin Plugin to register
*/
+ @org.jetbrains.annotations.ApiStatus.Obsolete
public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin);
/**
* Registers the specified executor to the given event class
*
+ * Superseded by {@link PluginManager#registerListener(Class, Listener, EventPriority, EventExecutor, Plugin, boolean)}
+ * which also returns the registered listeners
+ *
* @param event Event type to register
* @param listener Listener to register
* @param priority Priority to register this event at
@@ -141,6 +152,7 @@ public interface PluginManager extends io.papermc.paper.plugin.PermissionManager
* @param plugin Plugin to register
* @param ignoreCancelled Whether to pass cancelled events or not
*/
+ @org.jetbrains.annotations.ApiStatus.Obsolete
public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled);
/**
@@ -316,5 +328,43 @@ public interface PluginManager extends io.papermc.paper.plugin.PermissionManager
*/
@org.jetbrains.annotations.ApiStatus.Experimental
void overridePermissionManager(@NotNull Plugin plugin, @Nullable io.papermc.paper.plugin.PermissionManager permissionManager);
+
+ /**
+ * Registers all event handlers in the given listener object. Each individual event handler will
+ * receive its own registered listener instance.
+ *
+ * @param listener Listener to register
+ * @param plugin Plugin to register
+ * @return The new registered listeners, may be empty if no event handlers were found
+ */
+ @NotNull
+ public java.util.Collection<RegisteredListener> registerListener(@NotNull Listener listener, @NotNull Plugin plugin);
+
+ /**
+ * Registers the specified executor to the given event class
+ *
+ * @param event Event type to register
+ * @param listener Listener to register
+ * @param priority Priority to register this event at
+ * @param executor EventExecutor to register
+ * @param plugin Plugin to register
+ * @return The new registered listener
+ */
+ @NotNull
+ public RegisteredListener registerListener(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin);
+
+ /**
+ * Registers the specified executor to the given event class
+ *
+ * @param event Event type to register
+ * @param listener Listener to register
+ * @param priority Priority to register this event at
+ * @param executor EventExecutor to register
+ * @param plugin Plugin to register
+ * @param ignoreCancelled Whether to pass cancelled events or not
+ * @return The new registered listener
+ */
+ @NotNull
+ public RegisteredListener registerListener(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled);
// Paper end
}
diff --git a/src/main/java/org/bukkit/plugin/RegisteredListener.java b/src/main/java/org/bukkit/plugin/RegisteredListener.java
index 3b3d9642a8d63798dc28f2f8df77f0466451cbff..ab6b6ac3019274dbe7f112df13152e3ddf573e5f 100644
--- a/src/main/java/org/bukkit/plugin/RegisteredListener.java
+++ b/src/main/java/org/bukkit/plugin/RegisteredListener.java
@@ -16,6 +16,7 @@ public class RegisteredListener {
private final Plugin plugin;
private final EventExecutor executor;
private final boolean ignoreCancelled;
+ private final java.util.Set<org.bukkit.event.HandlerList> handlersLists = new java.util.HashSet<>(); // Paper - store handler lists
public RegisteredListener(@NotNull final Listener listener, @NotNull final EventExecutor executor, @NotNull final EventPriority priority, @NotNull final Plugin plugin, final boolean ignoreCancelled) {
this.listener = listener;
@@ -25,6 +26,37 @@ public class RegisteredListener {
this.ignoreCancelled = ignoreCancelled;
}
+ // Paper start - add methods to quickly fetch handler lists and unregister
+ /**
+ * Marks down that this listener is registered to this list.
+ *
+ * @param list A handler list that this registered listener is registered to.
+ */
+ public void registerHandlerList(@NotNull org.bukkit.event.HandlerList list) {
+ handlersLists.add(list);
+ }
+
+ /**
+ * Removes the marking that this listener is registered to the given list.
+ *
+ * @param list A handler list that this registered listener is no longer registered to.
+ */
+ public void unregisterHandlerList(@NotNull org.bukkit.event.HandlerList list) {
+ handlersLists.remove(list);
+ }
+
+ /**
+ * Unregisters this listener from all {@link org.bukkit.event.HandlerList} instances.
+ * This is faster than calling HandlerList.unregisterAll as this directly goes to the
+ * correct handler lists to unregister this listener.
+ */
+ public void unregister() {
+ for (org.bukkit.event.HandlerList list : new java.util.HashSet<>(handlersLists)) {
+ list.unregister(this);
+ }
+ }
+ // Paper end - add methods to quickly fetch handler lists and unregister
+
/**
* Gets the listener for this registration
*
diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
index fc2dae69165776d08274e34a69962cc70445f411..3fc4360ed30280bdb395dc59c7540746c0b167fc 100644
--- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
@@ -715,6 +715,24 @@ public final class SimplePluginManager implements PluginManager {
}
}
+ // Paper start - add registerListener
+ @NotNull
+ @Override
+ public Collection<RegisteredListener> registerListener(@NotNull final Listener listener, @NotNull final Plugin plugin) {
+ return this.paperPluginManager.registerListener(listener, plugin);
+ }
+
+ @Override
+ public @NotNull RegisteredListener registerListener(@NotNull final Class<? extends Event> event, @NotNull final Listener listener, @NotNull final EventPriority priority, @NotNull final EventExecutor executor, @NotNull final Plugin plugin) {
+ return this.paperPluginManager.registerListener(event, listener, priority, executor, plugin);
+ }
+
+ @Override
+ public @NotNull RegisteredListener registerListener(@NotNull final Class<? extends Event> event, @NotNull final Listener listener, @NotNull final EventPriority priority, @NotNull final EventExecutor executor, @NotNull final Plugin plugin, final boolean ignoreCancelled) {
+ return this.paperPluginManager.registerListener(event, listener, priority, executor, plugin, ignoreCancelled);
+ }
+ // Paper end - add registerListener
+
@NotNull
private HandlerList getEventListeners(@NotNull Class<? extends Event> type) {
try {

116
patches/server/1044-Return-registered-listeners-in-the-PluginManager.patch Normale Datei
Datei anzeigen

@ -0,0 +1,116 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aeltumn <daniel@goossens.ch>
Date: Sun, 20 Aug 2023 19:41:07 +0200
Subject: [PATCH] Return registered listeners in the PluginManager
diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
index 7ce9ebba8ce304d1f3f21d4f15ee5f3560d7700b..8361ae809b9938003d57ced047a9f2c10fcc7216 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
@@ -16,6 +16,7 @@ import org.bukkit.plugin.EventExecutor;
import org.bukkit.plugin.IllegalPluginAccessException;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.RegisteredListener;
+import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.NotNull;
import java.lang.reflect.Method;
@@ -75,28 +76,51 @@ class PaperEventManager {
}
}
+ @ApiStatus.Obsolete
public void registerEvents(@NotNull Listener listener, @NotNull Plugin plugin) {
+ registerListener(listener, plugin);
+ }
+
+ @ApiStatus.Obsolete
+ public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin) {
+ registerListener(event, listener, priority, executor, plugin);
+ }
+
+ @ApiStatus.Obsolete
+ public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled) {
+ registerListener(event, listener, priority, executor, plugin, ignoreCancelled);
+ }
+
+ @NotNull
+ public java.util.Collection<RegisteredListener> registerListener(@NotNull Listener listener, @NotNull Plugin plugin) {
if (!plugin.isEnabled()) {
throw new IllegalPluginAccessException("Plugin attempted to register " + listener + " while not enabled");
}
+ HashSet<RegisteredListener> listeners = new HashSet<>();
for (Map.Entry<Class<? extends Event>, Set<RegisteredListener>> entry : this.createRegisteredListeners(listener, plugin).entrySet()) {
this.getEventListeners(this.getRegistrationClass(entry.getKey())).registerAll(entry.getValue());
+ listeners.addAll(entry.getValue());
}
+ return listeners;
}
- public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin) {
- this.registerEvent(event, listener, priority, executor, plugin, false);
+ @NotNull
+ public RegisteredListener registerListener(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin) {
+ return this.registerListener(event, listener, priority, executor, plugin, false);
}
- public void registerEvent(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled) {
+ @NotNull
+ public RegisteredListener registerListener(@NotNull Class<? extends Event> event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled) {
if (!plugin.isEnabled()) {
throw new IllegalPluginAccessException("Plugin attempted to register " + event + " while not enabled");
}
executor = new TimedEventExecutor(executor, plugin, null, event);
- this.getEventListeners(event).register(new RegisteredListener(listener, executor, priority, plugin, ignoreCancelled));
+ RegisteredListener registered = new RegisteredListener(listener, executor, priority, plugin, ignoreCancelled);
+ this.getEventListeners(event).register(registered);
+ return registered;
}
@NotNull
diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java
index dab211c458311869c61779305580a1c7da830f71..9fafb40663da489b9a8cb6d87427be1dcf0c046d 100644
--- a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java
+++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java
@@ -19,12 +19,14 @@ import org.bukkit.plugin.InvalidPluginException;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.PluginLoader;
import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.RegisteredListener;
import org.bukkit.plugin.SimplePluginManager;
import org.bukkit.plugin.UnknownDependencyException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
+import java.util.Collection;
import java.util.List;
import java.util.Set;
@@ -141,6 +143,22 @@ public class PaperPluginManagerImpl implements PluginManager, DependencyContext
this.paperEventManager.registerEvent(event, listener, priority, executor, plugin, ignoreCancelled);
}
+ @NotNull
+ @Override
+ public Collection<RegisteredListener> registerListener(@NotNull final Listener listener, @NotNull final Plugin plugin) {
+ return this.paperEventManager.registerListener(listener, plugin);
+ }
+
+ @Override
+ public @NotNull RegisteredListener registerListener(@NotNull final Class<? extends Event> event, @NotNull final Listener listener, @NotNull final EventPriority priority, @NotNull final EventExecutor executor, @NotNull final Plugin plugin) {
+ return this.paperEventManager.registerListener(event, listener, priority, executor, plugin);
+ }
+
+ @Override
+ public @NotNull RegisteredListener registerListener(@NotNull final Class<? extends Event> event, @NotNull final Listener listener, @NotNull final EventPriority priority, @NotNull final EventExecutor executor, @NotNull final Plugin plugin, final boolean ignoreCancelled) {
+ return this.paperEventManager.registerListener(event, listener, priority, executor, plugin, ignoreCancelled);
+ }
+
// Permission manipulation
@Override