minecraft/LuckPerms
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Code Issues Releases Wiki Activity

Make the injected LP permSubs replacement value maps thread safe

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This commit is contained in:
Luck
2020-04-21 20:06:52 +01:00
parent 36335c10a4
commit cab15d39c3
2 changed files with 33 additions and 35 deletions
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33
bukkit/src/main/java/me/lucko/luckperms/bukkit/inject/server/LuckPermsSubscriptionMap.java
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@@ -25,6 +25,7 @@
package me.lucko.luckperms.bukkit.inject.server;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
@@ -37,6 +38,7 @@ import org.bukkit.plugin.PluginManager;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
@@ -72,8 +74,10 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
final LPBukkitPlugin plugin;
public LuckPermsSubscriptionMap(LPBukkitPlugin plugin, Map<String, Map<Permissible, Boolean>> existingData) {
super(existingData);
this.plugin = plugin;
for (Entry<String, Map<Permissible, Boolean>> entry : existingData.entrySet()) {
super.put(entry.getKey(), new LPSubscriptionValueMap(entry.getKey(), entry.getValue()));
}
}
/*
@@ -94,17 +98,13 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
String permission = ((String) key);
Map<Permissible, Boolean> result = super.get(key);
LPSubscriptionValueMap result = (LPSubscriptionValueMap) super.get(key);
if (result == null) {
// calculate a new map - always!
result = new LPSubscriptionValueMap(permission);
super.put(permission, result);
} else if (!(result instanceof LPSubscriptionValueMap)) {
// ensure return type is a LPSubscriptionMap
result = new LPSubscriptionValueMap(permission, result);
super.put(permission, result);
}
return result;
}
@@ -134,15 +134,9 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
*/
public Map<String, Map<Permissible, Boolean>> detach() {
Map<String, Map<Permissible, Boolean>> map = new HashMap<>();
for (Map.Entry<String, Map<Permissible, Boolean>> ent : entrySet()) {
if (ent.getValue() instanceof LPSubscriptionValueMap) {
map.put(ent.getKey(), ((LPSubscriptionValueMap) ent.getValue()).backing);
} else {
map.put(ent.getKey(), ent.getValue());
}
map.put(ent.getKey(), new WeakHashMap<>(((LPSubscriptionValueMap) ent.getValue()).backing));
}
return map;
}
@@ -159,7 +153,7 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
private LPSubscriptionValueMap(String permission, Map<Permissible, Boolean> backing) {
this.permission = permission;
this.backing = new WeakHashMap<>(backing);
this.backing = Collections.synchronizedMap(new WeakHashMap<>(backing));
// remove all players from the map
this.backing.keySet().removeIf(p -> p instanceof Player);
@@ -167,7 +161,7 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
public LPSubscriptionValueMap(String permission) {
this.permission = permission;
this.backing = new WeakHashMap<>();
this.backing = Collections.synchronizedMap(new WeakHashMap<>());
}
@Override
@@ -223,8 +217,13 @@ public final class LuckPermsSubscriptionMap extends HashMap<String, Map<Permissi
.filter(player -> player.hasPermission(this.permission) || player.isPermissionSet(this.permission))
.collect(Collectors.toSet());
ImmutableSet<Permissible> backing;
synchronized (this.backing) {
backing = ImmutableSet.copyOf(this.backing.keySet());
}
// then combine the players with the backing map
return Sets.union(players, this.backing.keySet());
return Sets.union(players, backing);
}
@Override