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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: 13eb4146 SPIGOT-5217, SPIGOT-6183: Add RespawnReason to PlayerRespawnEvent CraftBukkit Changes: 5ee3419b7 SPIGOT-5217, SPIGOT-6183: Add RespawnReason to PlayerRespawnEvent Spigot Changes: 514cf03a Rebuild patches and add RespawnReason.PLUGIN to Player#respawn
141 lines
6.9 KiB
Diff
141 lines
6.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: egg82 <phantom_zero@ymail.com>
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Date: Tue, 7 Aug 2018 01:24:23 -0600
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Subject: [PATCH] Use ConcurrentHashMap in JsonList
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This is specifically aimed at fixing #471
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Using a ConcurrentHashMap because thread safety
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The performance benefit of Map over ConcurrentMap is negligabe at best in this scenaio, as most operations will be get and not add or remove
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Even without considering the use-case the benefits are still negligable
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Original ideas for the system included an expiration policy and/or handler
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The simpler solution was to use a computeIfPresent in the get method
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This will simultaneously have an O(1) lookup time and automatically expire any values
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Since the get method (nor other similar methods) don't seem to have a critical need to flush the map to disk at any of these points further processing is simply wasteful
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Meaning the original function expired values unrelated to the current value without actually having any explicit need to
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The h method was heavily modified to be much more efficient in its processing
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Also instead of being called on every get, it's now called just before a save
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This will eliminate stale values being flushed to disk
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Modified isEmpty to use the isEmpty() method instead of the slightly confusing size() < 1
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The point of this is readability, but does have a side-benefit of a small microptimization
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index c3c2d7a035e35135a422cfec3513b6a7a268e1e1..93ca3559c92e46352f7f2dcff3afbc08a476f372 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -640,7 +640,7 @@ public abstract class PlayerList {
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} else if (!this.isWhiteListed(gameprofile, event)) { // Paper
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//ichatmutablecomponent = Component.translatable("multiplayer.disconnect.not_whitelisted"); // Paper
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//event.disallow(PlayerLoginEvent.Result.KICK_WHITELIST, net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer.legacySection().deserialize(org.spigotmc.SpigotConfig.whitelistMessage)); // Spigot // Paper - Adventure - moved to isWhitelisted
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- } else if (this.getIpBans().isBanned(socketaddress) && !this.getIpBans().get(socketaddress).hasExpired()) {
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+ } else if (this.getIpBans().isBanned(socketaddress) && getIpBans().get(socketaddress) != null && !this.getIpBans().get(socketaddress).hasExpired()) { // Paper - fix NPE with temp ip bans
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IpBanListEntry ipbanentry = this.ipBans.get(socketaddress);
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ichatmutablecomponent = Component.translatable("multiplayer.disconnect.banned_ip.reason", ipbanentry.getReason());
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diff --git a/src/main/java/net/minecraft/server/players/StoredUserList.java b/src/main/java/net/minecraft/server/players/StoredUserList.java
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index 097a25fd4ae5438161158a1018c707886cfbb959..91899909abd83611ac63633fef701be542cf64bf 100644
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--- a/src/main/java/net/minecraft/server/players/StoredUserList.java
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+++ b/src/main/java/net/minecraft/server/players/StoredUserList.java
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@@ -13,6 +13,8 @@ import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.IOException;
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+import java.lang.reflect.ParameterizedType; // Paper
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+import java.lang.reflect.Type; // Paper
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import java.nio.charset.StandardCharsets;
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import java.util.Collection;
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import java.util.Iterator;
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@@ -30,7 +32,22 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final Gson GSON = (new GsonBuilder()).setPrettyPrinting().create();
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private final File file;
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- private final Map<String, V> map = Maps.newHashMap();
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+ // Paper - replace HashMap is ConcurrentHashMap
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+ private final Map<String, V> map = Maps.newConcurrentMap();
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+ private boolean e = true;
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+ private static final ParameterizedType f = new ParameterizedType() {
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+ public Type[] getActualTypeArguments() {
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+ return new Type[]{StoredUserEntry.class};
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+ }
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+
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+ public Type getRawType() {
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+ return List.class;
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+ }
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+
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+ public Type getOwnerType() {
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+ return null;
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+ }
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+ };
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public StoredUserList(File file) {
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this.file = file;
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@@ -53,8 +70,13 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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@Nullable
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public V get(K key) {
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- this.removeExpired();
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- return (V) this.map.get(this.getKeyForUser(key)); // CraftBukkit - fix decompile error
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+ // Paper start
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+ // this.g();
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+ // return (V) this.d.get(this.a(k0)); // CraftBukkit - fix decompile error
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+ return (V) this.map.computeIfPresent(this.getKeyForUser(key), (k, v) -> {
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+ return v.hasExpired() ? null : v;
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+ });
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+ // Paper end
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}
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public void remove(K key) {
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@@ -83,7 +105,8 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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// CraftBukkit end
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public boolean isEmpty() {
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- return this.map.size() < 1;
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+ // return this.d.size() < 1; // Paper
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+ return this.map.isEmpty(); // Paper - readability is the goal. As an aside, isEmpty() uses only sumCount() and a comparison. size() uses sumCount(), casts, and boolean logic
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}
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protected String getKeyForUser(K profile) {
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@@ -95,14 +118,14 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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}
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private void removeExpired() {
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- List<K> list = Lists.newArrayList();
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- Iterator iterator = this.map.values().iterator();
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+ /*List<K> list = Lists.newArrayList();
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+ Iterator iterator = this.d.values().iterator();
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while (iterator.hasNext()) {
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V v0 = (V) iterator.next(); // CraftBukkit - decompile error
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if (v0.hasExpired()) {
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- list.add(v0.getUser());
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+ list.add(v0.getKey());
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}
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}
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@@ -111,9 +134,11 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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while (iterator.hasNext()) {
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K k0 = (K) iterator.next(); // CraftBukkit - decompile error
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- this.map.remove(this.getKeyForUser(k0));
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- }
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+ this.d.remove(this.a(k0));
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+ }*/
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+ this.map.values().removeIf(StoredUserEntry::hasExpired);
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+ // Paper end
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}
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protected abstract StoredUserEntry<K> createEntry(JsonObject json);
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@@ -123,6 +148,7 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
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}
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public void save() throws IOException {
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+ this.removeExpired(); // Paper - remove expired values before saving
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JsonArray jsonarray = new JsonArray();
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Stream<JsonObject> stream = this.map.values().stream().map((jsonlistentry) -> { // CraftBukkit - decompile error
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JsonObject jsonobject = new JsonObject();
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