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Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Developers!: You will need to clean up your work/Minecraft/1.13.2 folder for this Also, restore a patch that was dropped in the last upstream Bukkit Changes: 279eeab3 Fix command description not being set 96e2bb18 Remove debug print from SyntheticEventTest CraftBukkit Changes:d3ed1516
Fix dangerously threaded beacons217a293d
Don't relocate joptsimple to allow --help to work.1be05a21
Prepare for imminent Java 12 releasea49270b2
Mappings Update5259d80c
SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports Spigot Changes: e6eb36f2 Rebuild patches
116 lines
5.0 KiB
Diff
116 lines
5.0 KiB
Diff
From 875d7e1da48a97e3d239c85b153b5db4f8bc4296 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 13 Sep 2018 20:51:50 -0400
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Subject: [PATCH] Performance & Concurrency Improvements to Permissions
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Modifying of permissions was only half protected, enabling concurrency
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issues to occur if permissions were modified async.
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While no plugin really should be doing that, modifying operations
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are not heavily called, so they are safe to add synchronization to.
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Now, all modification API's will be synchronized ensuring safety.
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Additionally, hasPermission was victim to a common java newbie mistake
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of calling if (containsKey(k)) return get(k), resulting in 2 map lookups.
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Optimized it to simply be a single get call cutting permission map
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lookups in half.
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diff --git a/src/main/java/org/bukkit/permissions/PermissibleBase.java b/src/main/java/org/bukkit/permissions/PermissibleBase.java
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index 27c14c0f5..72fff64e0 100644
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--- a/src/main/java/org/bukkit/permissions/PermissibleBase.java
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+++ b/src/main/java/org/bukkit/permissions/PermissibleBase.java
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@@ -70,8 +70,11 @@ public class PermissibleBase implements Permissible {
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String name = inName.toLowerCase(java.util.Locale.ENGLISH);
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- if (isPermissionSet(name)) {
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- return permissions.get(name).getValue();
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+ // Paper start
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+ PermissionAttachmentInfo info = permissions.get(name);
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+ if (info != null) {
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+ return info.getValue();
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+ // Paper end
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} else {
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Permission perm = Bukkit.getServer().getPluginManager().getPermission(name);
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@@ -90,14 +93,17 @@ public class PermissibleBase implements Permissible {
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String name = perm.getName().toLowerCase(java.util.Locale.ENGLISH);
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- if (isPermissionSet(name)) {
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- return permissions.get(name).getValue();
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+ // Paper start
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+ PermissionAttachmentInfo info = permissions.get(name);
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+ if (info != null) {
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+ return info.getValue();
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}
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+ // Paper end
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return perm.getDefault().getValue(isOp());
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}
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@NotNull
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- public PermissionAttachment addAttachment(@NotNull Plugin plugin, @NotNull String name, boolean value) {
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+ public synchronized PermissionAttachment addAttachment(@NotNull Plugin plugin, @NotNull String name, boolean value) { // Paper - synchronized
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if (name == null) {
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throw new IllegalArgumentException("Permission name cannot be null");
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} else if (plugin == null) {
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@@ -115,7 +121,7 @@ public class PermissibleBase implements Permissible {
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}
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@NotNull
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- public PermissionAttachment addAttachment(@NotNull Plugin plugin) {
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+ public synchronized PermissionAttachment addAttachment(@NotNull Plugin plugin) { // Paper - synchronized
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if (plugin == null) {
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throw new IllegalArgumentException("Plugin cannot be null");
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} else if (!plugin.isEnabled()) {
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@@ -130,7 +136,7 @@ public class PermissibleBase implements Permissible {
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return result;
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}
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- public void removeAttachment(@NotNull PermissionAttachment attachment) {
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+ public synchronized void removeAttachment(@NotNull PermissionAttachment attachment) { // Paper - synchronized
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if (attachment == null) {
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throw new IllegalArgumentException("Attachment cannot be null");
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}
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@@ -149,7 +155,7 @@ public class PermissibleBase implements Permissible {
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}
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}
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- public void recalculatePermissions() {
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+ public synchronized void recalculatePermissions() { // Paper - synchronized
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clearPermissions();
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Set<Permission> defaults = Bukkit.getServer().getPluginManager().getDefaultPermissions(isOp());
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Bukkit.getServer().getPluginManager().subscribeToDefaultPerms(isOp(), parent);
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@@ -197,7 +203,7 @@ public class PermissibleBase implements Permissible {
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}
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@Nullable
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- public PermissionAttachment addAttachment(@NotNull Plugin plugin, @NotNull String name, boolean value, int ticks) {
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+ public synchronized PermissionAttachment addAttachment(@NotNull Plugin plugin, @NotNull String name, boolean value, int ticks) { // Paper
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if (name == null) {
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throw new IllegalArgumentException("Permission name cannot be null");
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} else if (plugin == null) {
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@@ -216,7 +222,7 @@ public class PermissibleBase implements Permissible {
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}
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@Nullable
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- public PermissionAttachment addAttachment(@NotNull Plugin plugin, int ticks) {
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+ public synchronized PermissionAttachment addAttachment(@NotNull Plugin plugin, int ticks) { // Paper - synchronized
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if (plugin == null) {
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throw new IllegalArgumentException("Plugin cannot be null");
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} else if (!plugin.isEnabled()) {
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@@ -235,7 +241,7 @@ public class PermissibleBase implements Permissible {
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}
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@NotNull
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- public Set<PermissionAttachmentInfo> getEffectivePermissions() {
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+ public synchronized Set<PermissionAttachmentInfo> getEffectivePermissions() { // Paper - synchronized
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return new HashSet<PermissionAttachmentInfo>(permissions.values());
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}
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--
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2.21.0
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