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https://github.com/PaperMC/Paper.git
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70ce6ce831
This makes it easier for downstream projects (forks) to replace the version fetching system with their own. It is as simple as implementing an interface and overriding the default implementation of org.bukkit.UnsafeValues#getVersionFetcher() It also makes it easier for us to organize things like the version history feature. Lastly I have updated the paper implementation to check against the site API rather than against jenkins.
117 lines
5.1 KiB
Diff
117 lines
5.1 KiB
Diff
From 31a97ee3841d55754647d0751fed2a488e4139e3 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 497775f7..c94e4cdb 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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@@ -75,8 +75,11 @@ 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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@@ -96,15 +99,18 @@ 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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@Override
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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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@@ -123,7 +129,7 @@ public class PermissibleBase implements Permissible {
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@Override
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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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@@ -139,7 +145,7 @@ public class PermissibleBase implements Permissible {
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}
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@Override
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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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@@ -159,7 +165,7 @@ public class PermissibleBase implements Permissible {
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}
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@Override
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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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@@ -208,7 +214,7 @@ public class PermissibleBase implements Permissible {
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@Override
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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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@@ -228,7 +234,7 @@ public class PermissibleBase implements Permissible {
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@Override
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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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@@ -248,7 +254,7 @@ public class PermissibleBase implements Permissible {
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@Override
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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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