More work

This commit is contained in:
Nassim Jahnke 2023-12-05 20:12:12 +01:00
parent 9b56221762
commit 603b32976b
5 changed files with 539 additions and 253 deletions

View file

@ -0,0 +1,665 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Mon, 29 Feb 2016 21:02:09 -0600
Subject: [PATCH] Paper command
Co-authored-by: Zach Brown <zach.brown@destroystokyo.com>
diff --git a/src/main/java/io/papermc/paper/command/CallbackCommand.java b/src/main/java/io/papermc/paper/command/CallbackCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..fa4202abd13c1c286bd398938103d1103d5443e7
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/CallbackCommand.java
@@ -0,0 +1,35 @@
+package io.papermc.paper.command;
+
+import io.papermc.paper.adventure.providers.ClickCallbackProviderImpl;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+import java.util.UUID;
+
+@DefaultQualifier(NonNull.class)
+public class CallbackCommand extends Command {
+
+ protected CallbackCommand(final String name) {
+ super(name);
+ this.description = "ClickEvent callback";
+ this.usageMessage = "/callback <uuid>";
+ }
+
+ @Override
+ public boolean execute(final CommandSender sender, final String commandLabel, final String[] args) {
+ if (args.length != 1) {
+ return false;
+ }
+
+ final UUID id;
+ try {
+ id = UUID.fromString(args[0]);
+ } catch (final IllegalArgumentException ignored) {
+ return false;
+ }
+
+ ClickCallbackProviderImpl.CALLBACK_MANAGER.runCallback(sender, id);
+ return true;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/CommandUtil.java b/src/main/java/io/papermc/paper/command/CommandUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..953c30500892e5f0c55b8597bc708ea85bf56d6e
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/CommandUtil.java
@@ -0,0 +1,69 @@
+package io.papermc.paper.command;
+
+import com.google.common.base.Functions;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import net.minecraft.resources.ResourceLocation;
+import org.bukkit.command.CommandSender;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class CommandUtil {
+ private CommandUtil() {
+ }
+
+ // Code from Mojang - copyright them
+ public static List<String> getListMatchingLast(
+ final CommandSender sender,
+ final String[] args,
+ final String... matches
+ ) {
+ return getListMatchingLast(sender, args, Arrays.asList(matches));
+ }
+
+ public static boolean matches(final String s, final String s1) {
+ return s1.regionMatches(true, 0, s, 0, s.length());
+ }
+
+ public static List<String> getListMatchingLast(
+ final CommandSender sender,
+ final String[] strings,
+ final Collection<?> collection
+ ) {
+ String last = strings[strings.length - 1];
+ ArrayList<String> results = Lists.newArrayList();
+
+ if (!collection.isEmpty()) {
+ Iterator iterator = Iterables.transform(collection, Functions.toStringFunction()).iterator();
+
+ while (iterator.hasNext()) {
+ String s1 = (String) iterator.next();
+
+ if (matches(last, s1) && (sender.hasPermission(PaperCommand.BASE_PERM + s1) || sender.hasPermission("bukkit.command.paper"))) {
+ results.add(s1);
+ }
+ }
+
+ if (results.isEmpty()) {
+ iterator = collection.iterator();
+
+ while (iterator.hasNext()) {
+ Object object = iterator.next();
+
+ if (object instanceof ResourceLocation && matches(last, ((ResourceLocation) object).getPath())) {
+ results.add(String.valueOf(object));
+ }
+ }
+ }
+ }
+
+ return results;
+ }
+ // end copy stuff
+}
diff --git a/src/main/java/io/papermc/paper/command/PaperCommand.java b/src/main/java/io/papermc/paper/command/PaperCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..8ccc59473bac983ced6b9e4a57e0ec4ebd2b0f32
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/PaperCommand.java
@@ -0,0 +1,143 @@
+package io.papermc.paper.command;
+
+import io.papermc.paper.command.subcommands.*;
+import it.unimi.dsi.fastutil.Pair;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+import net.minecraft.Util;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.permissions.Permission;
+import org.bukkit.permissions.PermissionDefault;
+import org.bukkit.plugin.PluginManager;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+
+@DefaultQualifier(NonNull.class)
+public final class PaperCommand extends Command {
+ static final String BASE_PERM = "bukkit.command.paper.";
+ // subcommand label -> subcommand
+ private static final Map<String, PaperSubcommand> SUBCOMMANDS = Util.make(() -> {
+ final Map<Set<String>, PaperSubcommand> commands = new HashMap<>();
+
+ commands.put(Set.of("heap"), new HeapDumpCommand());
+ commands.put(Set.of("entity"), new EntityCommand());
+ commands.put(Set.of("reload"), new ReloadCommand());
+ commands.put(Set.of("version"), new VersionCommand());
+
+ return commands.entrySet().stream()
+ .flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue())))
+ .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+ });
+ private static final Set<String> COMPLETABLE_SUBCOMMANDS = SUBCOMMANDS.entrySet().stream().filter(entry -> entry.getValue().tabCompletes()).map(Map.Entry::getKey).collect(Collectors.toSet());
+ // alias -> subcommand label
+ private static final Map<String, String> ALIASES = Util.make(() -> {
+ final Map<String, Set<String>> aliases = new HashMap<>();
+
+ aliases.put("version", Set.of("ver"));
+
+ return aliases.entrySet().stream()
+ .flatMap(entry -> entry.getValue().stream().map(s -> Map.entry(s, entry.getKey())))
+ .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+ });
+
+ public PaperCommand(final String name) {
+ super(name);
+ this.description = "Paper related commands";
+ this.usageMessage = "/paper [" + String.join(" | ", SUBCOMMANDS.keySet()) + "]";
+ final List<String> permissions = new ArrayList<>();
+ permissions.add("bukkit.command.paper");
+ permissions.addAll(SUBCOMMANDS.keySet().stream().map(s -> BASE_PERM + s).toList());
+ this.setPermission(String.join(";", permissions));
+ final PluginManager pluginManager = Bukkit.getServer().getPluginManager();
+ for (final String perm : permissions) {
+ pluginManager.addPermission(new Permission(perm, PermissionDefault.OP));
+ }
+ }
+
+ private static boolean testPermission(final CommandSender sender, final String permission) {
+ if (sender.hasPermission(BASE_PERM + permission) || sender.hasPermission("bukkit.command.paper")) {
+ return true;
+ }
+ sender.sendMessage(text("I'm sorry, but you do not have permission to perform this command. Please contact the server administrators if you believe that this is in error.", RED));
+ return false;
+ }
+
+ @Override
+ public List<String> tabComplete(
+ final CommandSender sender,
+ final String alias,
+ final String[] args,
+ final @Nullable Location location
+ ) throws IllegalArgumentException {
+ if (args.length <= 1) {
+ return CommandUtil.getListMatchingLast(sender, args, COMPLETABLE_SUBCOMMANDS);
+ }
+
+ final @Nullable Pair<String, PaperSubcommand> subCommand = resolveCommand(args[0]);
+ if (subCommand != null) {
+ return subCommand.second().tabComplete(sender, subCommand.first(), Arrays.copyOfRange(args, 1, args.length));
+ }
+
+ return Collections.emptyList();
+ }
+
+ @Override
+ public boolean execute(
+ final CommandSender sender,
+ final String commandLabel,
+ final String[] args
+ ) {
+ if (!testPermission(sender)) {
+ return true;
+ }
+
+ if (args.length == 0) {
+ sender.sendMessage(text("Usage: " + this.usageMessage, RED));
+ return false;
+ }
+ final @Nullable Pair<String, PaperSubcommand> subCommand = resolveCommand(args[0]);
+
+ if (subCommand == null) {
+ sender.sendMessage(text("Usage: " + this.usageMessage, RED));
+ return false;
+ }
+
+ if (!testPermission(sender, subCommand.first())) {
+ return true;
+ }
+ final String[] choppedArgs = Arrays.copyOfRange(args, 1, args.length);
+ return subCommand.second().execute(sender, subCommand.first(), choppedArgs);
+ }
+
+ private static @Nullable Pair<String, PaperSubcommand> resolveCommand(String label) {
+ label = label.toLowerCase(Locale.ENGLISH);
+ @Nullable PaperSubcommand subCommand = SUBCOMMANDS.get(label);
+ if (subCommand == null) {
+ final @Nullable String command = ALIASES.get(label);
+ if (command != null) {
+ label = command;
+ subCommand = SUBCOMMANDS.get(command);
+ }
+ }
+
+ if (subCommand != null) {
+ return Pair.of(label, subCommand);
+ }
+
+ return null;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/PaperCommands.java b/src/main/java/io/papermc/paper/command/PaperCommands.java
new file mode 100644
index 0000000000000000000000000000000000000000..5e5ec700a368cfdaa1ea0b3f0fa82089895d4b92
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/PaperCommands.java
@@ -0,0 +1,28 @@
+package io.papermc.paper.command;
+
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.command.Command;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class PaperCommands {
+
+ private PaperCommands() {
+ }
+
+ private static final Map<String, Command> COMMANDS = new HashMap<>();
+ static {
+ COMMANDS.put("paper", new PaperCommand("paper"));
+ COMMANDS.put("callback", new CallbackCommand("callback"));
+ }
+
+ public static void registerCommands(final MinecraftServer server) {
+ COMMANDS.forEach((s, command) -> {
+ server.server.getCommandMap().register(s, "Paper", command);
+ });
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/PaperSubcommand.java b/src/main/java/io/papermc/paper/command/PaperSubcommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..7e9e0ff8639be135bf8575e375cbada5b57164e1
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/PaperSubcommand.java
@@ -0,0 +1,20 @@
+package io.papermc.paper.command;
+
+import java.util.Collections;
+import java.util.List;
+import org.bukkit.command.CommandSender;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public interface PaperSubcommand {
+ boolean execute(CommandSender sender, String subCommand, String[] args);
+
+ default List<String> tabComplete(final CommandSender sender, final String subCommand, final String[] args) {
+ return Collections.emptyList();
+ }
+
+ default boolean tabCompletes() {
+ return true;
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java b/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..ff99336e0b8131ae161cfa5c4fc83c6905e3dbc8
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/subcommands/EntityCommand.java
@@ -0,0 +1,158 @@
+package io.papermc.paper.command.subcommands;
+
+import com.google.common.collect.Maps;
+import io.papermc.paper.command.CommandUtil;
+import io.papermc.paper.command.PaperSubcommand;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerChunkCache;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.level.ChunkPos;
+import org.apache.commons.lang3.tuple.MutablePair;
+import org.apache.commons.lang3.tuple.Pair;
+import org.bukkit.Bukkit;
+import org.bukkit.HeightMap;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.entity.Player;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+
+@DefaultQualifier(NonNull.class)
+public final class EntityCommand implements PaperSubcommand {
+ @Override
+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ this.listEntities(sender, args);
+ return true;
+ }
+
+ @Override
+ public List<String> tabComplete(final CommandSender sender, final String subCommand, final String[] args) {
+ if (args.length == 1) {
+ return CommandUtil.getListMatchingLast(sender, args, "help", "list");
+ } else if (args.length == 2) {
+ return CommandUtil.getListMatchingLast(sender, args, BuiltInRegistries.ENTITY_TYPE.keySet().stream().map(ResourceLocation::toString).sorted().toArray(String[]::new));
+ }
+ return Collections.emptyList();
+ }
+
+ /*
+ * Ported from MinecraftForge - author: LexManos <LexManos@gmail.com> - License: LGPLv2.1
+ */
+ private void listEntities(final CommandSender sender, final String[] args) {
+ // help
+ if (args.length < 1 || !args[0].toLowerCase(Locale.ENGLISH).equals("list")) {
+ sender.sendMessage(text("Use /paper entity [list] help for more information on a specific command", RED));
+ return;
+ }
+
+ if ("list".equals(args[0].toLowerCase(Locale.ENGLISH))) {
+ String filter = "*";
+ if (args.length > 1) {
+ if (args[1].toLowerCase(Locale.ENGLISH).equals("help")) {
+ sender.sendMessage(text("Use /paper entity list [filter] [worldName] to get entity info that matches the optional filter.", RED));
+ return;
+ }
+ filter = args[1];
+ }
+ final String cleanfilter = filter.replace("?", ".?").replace("*", ".*?");
+ Set<ResourceLocation> names = BuiltInRegistries.ENTITY_TYPE.keySet().stream()
+ .filter(n -> n.toString().matches(cleanfilter))
+ .collect(Collectors.toSet());
+ if (names.isEmpty()) {
+ sender.sendMessage(text("Invalid filter, does not match any entities. Use /paper entity list for a proper list", RED));
+ sender.sendMessage(text("Usage: /paper entity list [filter] [worldName]", RED));
+ return;
+ }
+ String worldName;
+ if (args.length > 2) {
+ worldName = args[2];
+ } else if (sender instanceof Player) {
+ worldName = ((Player) sender).getWorld().getName();
+ } else {
+ sender.sendMessage(text("Please specify the name of a world", RED));
+ sender.sendMessage(text("To do so without a filter, specify '*' as the filter", RED));
+ sender.sendMessage(text("Usage: /paper entity list [filter] [worldName]", RED));
+ return;
+ }
+ Map<ResourceLocation, MutablePair<Integer, Map<ChunkPos, Integer>>> list = Maps.newHashMap();
+ @Nullable World bukkitWorld = Bukkit.getWorld(worldName);
+ if (bukkitWorld == null) {
+ sender.sendMessage(text("Could not load world for " + worldName + ". Please select a valid world.", RED));
+ sender.sendMessage(text("Usage: /paper entity list [filter] [worldName]", RED));
+ return;
+ }
+ ServerLevel world = ((CraftWorld) bukkitWorld).getHandle();
+ Map<ResourceLocation, Integer> nonEntityTicking = Maps.newHashMap();
+ ServerChunkCache chunkProviderServer = world.getChunkSource();
+ world.getAllEntities().forEach(e -> {
+ ResourceLocation key = EntityType.getKey(e.getType());
+
+ MutablePair<Integer, Map<ChunkPos, Integer>> info = list.computeIfAbsent(key, k -> MutablePair.of(0, Maps.newHashMap()));
+ ChunkPos chunk = e.chunkPosition();
+ info.left++;
+ info.right.put(chunk, info.right.getOrDefault(chunk, 0) + 1);
+ if (!chunkProviderServer.isPositionTicking(e)) {
+ nonEntityTicking.merge(key, 1, Integer::sum);
+ }
+ });
+ if (names.size() == 1) {
+ ResourceLocation name = names.iterator().next();
+ Pair<Integer, Map<ChunkPos, Integer>> info = list.get(name);
+ int nonTicking = nonEntityTicking.getOrDefault(name, 0);
+ if (info == null) {
+ sender.sendMessage(text("No entities found.", RED));
+ return;
+ }
+ sender.sendMessage("Entity: " + name + " Total Ticking: " + (info.getLeft() - nonTicking) + ", Total Non-Ticking: " + nonTicking);
+ info.getRight().entrySet().stream()
+ .sorted((a, b) -> !a.getValue().equals(b.getValue()) ? b.getValue() - a.getValue() : a.getKey().toString().compareTo(b.getKey().toString()))
+ .limit(10).forEach(e -> {
+ final int x = (e.getKey().x << 4) + 8;
+ final int z = (e.getKey().z << 4) + 8;
+ final Component message = text(" " + e.getValue() + ": " + e.getKey().x + ", " + e.getKey().z + (chunkProviderServer.isPositionTicking(e.getKey().toLong()) ? " (Ticking)" : " (Non-Ticking)"))
+ .hoverEvent(HoverEvent.showText(text("Click to teleport to chunk", GREEN)))
+ .clickEvent(ClickEvent.clickEvent(ClickEvent.Action.RUN_COMMAND, "/minecraft:execute as @s in " + world.getWorld().getKey() + " run tp " + x + " " + (world.getWorld().getHighestBlockYAt(x, z, HeightMap.MOTION_BLOCKING) + 1) + " " + z));
+ sender.sendMessage(message);
+ });
+ } else {
+ List<Pair<ResourceLocation, Integer>> info = list.entrySet().stream()
+ .filter(e -> names.contains(e.getKey()))
+ .map(e -> Pair.of(e.getKey(), e.getValue().left))
+ .sorted((a, b) -> !a.getRight().equals(b.getRight()) ? b.getRight() - a.getRight() : a.getKey().toString().compareTo(b.getKey().toString()))
+ .toList();
+
+ if (info.isEmpty()) {
+ sender.sendMessage(text("No entities found.", RED));
+ return;
+ }
+
+ int count = info.stream().mapToInt(Pair::getRight).sum();
+ int nonTickingCount = nonEntityTicking.values().stream().mapToInt(Integer::intValue).sum();
+ sender.sendMessage("Total Ticking: " + (count - nonTickingCount) + ", Total Non-Ticking: " + nonTickingCount);
+ info.forEach(e -> {
+ int nonTicking = nonEntityTicking.getOrDefault(e.getKey(), 0);
+ sender.sendMessage(" " + (e.getValue() - nonTicking) + " (" + nonTicking + ") " + ": " + e.getKey());
+ });
+ sender.sendMessage("* First number is ticking entities, second number is non-ticking entities");
+ }
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java b/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..cd2e4d792e972b8bf1e07b8961594a670ae949cf
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/subcommands/HeapDumpCommand.java
@@ -0,0 +1,38 @@
+package io.papermc.paper.command.subcommands;
+
+import io.papermc.paper.command.PaperSubcommand;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftServer;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
+
+@DefaultQualifier(NonNull.class)
+public final class HeapDumpCommand implements PaperSubcommand {
+ @Override
+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ this.dumpHeap(sender);
+ return true;
+ }
+
+ private void dumpHeap(final CommandSender sender) {
+ java.nio.file.Path dir = java.nio.file.Paths.get("./dumps");
+ String name = "heap-dump-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now());
+
+ Command.broadcastCommandMessage(sender, text("Writing JVM heap data...", YELLOW));
+
+ java.nio.file.Path file = CraftServer.dumpHeap(dir, name);
+ if (file != null) {
+ Command.broadcastCommandMessage(sender, text("Heap dump saved to " + file, GREEN));
+ } else {
+ Command.broadcastCommandMessage(sender, text("Failed to write heap dump, see server log for details", RED));
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java b/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..bd68139ae635f2ad7ec8e7a21e0056a139c4c62e
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/subcommands/ReloadCommand.java
@@ -0,0 +1,33 @@
+package io.papermc.paper.command.subcommands;
+
+import io.papermc.paper.command.PaperSubcommand;
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftServer;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+
+@DefaultQualifier(NonNull.class)
+public final class ReloadCommand implements PaperSubcommand {
+ @Override
+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ this.doReload(sender);
+ return true;
+ }
+
+ private void doReload(final CommandSender sender) {
+ Command.broadcastCommandMessage(sender, text("Please note that this command is not supported and may cause issues.", RED));
+ Command.broadcastCommandMessage(sender, text("If you encounter any issues please use the /stop command to restart your server.", RED));
+
+ MinecraftServer server = ((CraftServer) sender.getServer()).getServer();
+ server.paperConfigurations.reloadConfigs(server);
+ server.server.reloadCount++;
+
+ Command.broadcastCommandMessage(sender, text("Paper config reload complete.", GREEN));
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java b/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..ae60bd96b5284d54676d8e7e4dd5d170b526ec1e
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java
@@ -0,0 +1,21 @@
+package io.papermc.paper.command.subcommands;
+
+import io.papermc.paper.command.PaperSubcommand;
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+@DefaultQualifier(NonNull.class)
+public final class VersionCommand implements PaperSubcommand {
+ @Override
+ public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
+ final @Nullable Command ver = MinecraftServer.getServer().server.getCommandMap().getCommand("version");
+ if (ver != null) {
+ ver.execute(sender, "paper", new String[0]);
+ }
+ return true;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 458c04786f7b56f3c006e1e717c0ac709fddb1a0..6c83df6290e4ec59c596f1b9e2f10f0a80004acd 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -186,6 +186,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
// Paper start
paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
+ io.papermc.paper.command.PaperCommands.registerCommands(this);
// Paper end
this.setPvpAllowed(dedicatedserverproperties.pvp);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 0fb29151929ce124e9a69f117d00959c27b38c84..9fb7b743c7d8a7051fa145594bc6dd357b55a1cb 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -938,6 +938,7 @@ public final class CraftServer implements Server {
this.commandMap.clearCommands();
this.reloadData();
org.spigotmc.SpigotConfig.registerCommands(); // Spigot
+ io.papermc.paper.command.PaperCommands.registerCommands(this.console); // Paper
this.overrideAllCommandBlockCommands = this.commandsConfiguration.getStringList("command-block-overrides").contains("*");
this.ignoreVanillaPermissions = this.commandsConfiguration.getBoolean("ignore-vanilla-permissions");
@@ -2630,6 +2631,34 @@ public final class CraftServer implements Server {
// Paper end
// Paper start
+ @SuppressWarnings({"rawtypes", "unchecked"})
+ public static java.nio.file.Path dumpHeap(java.nio.file.Path dir, String name) {
+ try {
+ java.nio.file.Files.createDirectories(dir);
+
+ javax.management.MBeanServer server = java.lang.management.ManagementFactory.getPlatformMBeanServer();
+ java.nio.file.Path file;
+
+ try {
+ Class clazz = Class.forName("openj9.lang.management.OpenJ9DiagnosticsMXBean");
+ Object openj9Mbean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "openj9.lang.management:type=OpenJ9Diagnostics", clazz);
+ java.lang.reflect.Method m = clazz.getMethod("triggerDumpToFile", String.class, String.class);
+ file = dir.resolve(name + ".phd");
+ m.invoke(openj9Mbean, "heap", file.toString());
+ } catch (ClassNotFoundException e) {
+ Class clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean");
+ Object hotspotMBean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", clazz);
+ java.lang.reflect.Method m = clazz.getMethod("dumpHeap", String.class, boolean.class);
+ file = dir.resolve(name + ".hprof");
+ m.invoke(hotspotMBean, file.toString(), true);
+ }
+
+ return file;
+ } catch (Throwable t) {
+ Bukkit.getLogger().log(Level.SEVERE, "Could not write heap", t);
+ return null;
+ }
+ }
private Iterable<? extends net.kyori.adventure.audience.Audience> adventure$audiences;
@Override
public Iterable<? extends net.kyori.adventure.audience.Audience> audiences() {

View file

@ -0,0 +1,731 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Fri, 24 Mar 2017 23:56:01 -0500
Subject: [PATCH] Paper Metrics
Removes Spigot's mcstats metrics in favor of a system using bStats
To disable for privacy or other reasons go to the bStats folder in your plugins folder
and edit the config.yml file present there.
Please keep in mind the data collected is anonymous and collection should have no
tangible effect on server performance. The data is used to allow the authors of
PaperMC to track version and platform usage so that we can make better management
decisions on behalf of the project.
diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
new file mode 100644
index 0000000000000000000000000000000000000000..6aaed8e8bf8c721fc834da5c76ac72a4c3e92458
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
@@ -0,0 +1,678 @@
+package com.destroystokyo.paper;
+
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.plugin.Plugin;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+
+import javax.net.ssl.HttpsURLConnection;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.*;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.zip.GZIPOutputStream;
+
+/**
+ * bStats collects some data for plugin authors.
+ *
+ * Check out https://bStats.org/ to learn more about bStats!
+ */
+public class Metrics {
+
+ // Executor service for requests
+ // We use an executor service because the Bukkit scheduler is affected by server lags
+ private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
+
+ // The version of this bStats class
+ public static final int B_STATS_VERSION = 1;
+
+ // The url to which the data is sent
+ private static final String URL = "https://bStats.org/submitData/server-implementation";
+
+ // Should failed requests be logged?
+ private static boolean logFailedRequests = false;
+
+ // The logger for the failed requests
+ private static Logger logger = Logger.getLogger("bStats");
+
+ // The name of the server software
+ private final String name;
+
+ // The uuid of the server
+ private final String serverUUID;
+
+ // A list with all custom charts
+ private final List<CustomChart> charts = new ArrayList<>();
+
+ /**
+ * Class constructor.
+ *
+ * @param name The name of the server software.
+ * @param serverUUID The uuid of the server.
+ * @param logFailedRequests Whether failed requests should be logged or not.
+ * @param logger The logger for the failed requests.
+ */
+ public Metrics(String name, String serverUUID, boolean logFailedRequests, Logger logger) {
+ this.name = name;
+ this.serverUUID = serverUUID;
+ Metrics.logFailedRequests = logFailedRequests;
+ Metrics.logger = logger;
+
+ // Start submitting the data
+ startSubmitting();
+ }
+
+ /**
+ * Adds a custom chart.
+ *
+ * @param chart The chart to add.
+ */
+ public void addCustomChart(CustomChart chart) {
+ if (chart == null) {
+ throw new IllegalArgumentException("Chart cannot be null!");
+ }
+ charts.add(chart);
+ }
+
+ /**
+ * Starts the Scheduler which submits our data every 30 minutes.
+ */
+ private void startSubmitting() {
+ final Runnable submitTask = this::submitData;
+
+ // Many servers tend to restart at a fixed time at xx:00 which causes an uneven distribution of requests on the
+ // bStats backend. To circumvent this problem, we introduce some randomness into the initial and second delay.
+ // WARNING: You must not modify any part of this Metrics class, including the submit delay or frequency!
+ // WARNING: Modifying this code will get your plugin banned on bStats. Just don't do it!
+ long initialDelay = (long) (1000 * 60 * (3 + Math.random() * 3));
+ long secondDelay = (long) (1000 * 60 * (Math.random() * 30));
+ scheduler.schedule(submitTask, initialDelay, TimeUnit.MILLISECONDS);
+ scheduler.scheduleAtFixedRate(submitTask, initialDelay + secondDelay, 1000 * 60 * 30, TimeUnit.MILLISECONDS);
+ }
+
+ /**
+ * Gets the plugin specific data.
+ *
+ * @return The plugin specific data.
+ */
+ private JSONObject getPluginData() {
+ JSONObject data = new JSONObject();
+
+ data.put("pluginName", name); // Append the name of the server software
+ JSONArray customCharts = new JSONArray();
+ for (CustomChart customChart : charts) {
+ // Add the data of the custom charts
+ JSONObject chart = customChart.getRequestJsonObject();
+ if (chart == null) { // If the chart is null, we skip it
+ continue;
+ }
+ customCharts.add(chart);
+ }
+ data.put("customCharts", customCharts);
+
+ return data;
+ }
+
+ /**
+ * Gets the server specific data.
+ *
+ * @return The server specific data.
+ */
+ private JSONObject getServerData() {
+ // OS specific data
+ String osName = System.getProperty("os.name");
+ String osArch = System.getProperty("os.arch");
+ String osVersion = System.getProperty("os.version");
+ int coreCount = Runtime.getRuntime().availableProcessors();
+
+ JSONObject data = new JSONObject();
+
+ data.put("serverUUID", serverUUID);
+
+ data.put("osName", osName);
+ data.put("osArch", osArch);
+ data.put("osVersion", osVersion);
+ data.put("coreCount", coreCount);
+
+ return data;
+ }
+
+ /**
+ * Collects the data and sends it afterwards.
+ */
+ private void submitData() {
+ final JSONObject data = getServerData();
+
+ JSONArray pluginData = new JSONArray();
+ pluginData.add(getPluginData());
+ data.put("plugins", pluginData);
+
+ try {
+ // We are still in the Thread of the timer, so nothing get blocked :)
+ sendData(data);
+ } catch (Exception e) {
+ // Something went wrong! :(
+ if (logFailedRequests) {
+ logger.log(Level.WARNING, "Could not submit stats of " + name, e);
+ }
+ }
+ }
+
+ /**
+ * Sends the data to the bStats server.
+ *
+ * @param data The data to send.
+ * @throws Exception If the request failed.
+ */
+ private static void sendData(JSONObject data) throws Exception {
+ if (data == null) {
+ throw new IllegalArgumentException("Data cannot be null!");
+ }
+ HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection();
+
+ // Compress the data to save bandwidth
+ byte[] compressedData = compress(data.toString());
+
+ // Add headers
+ connection.setRequestMethod("POST");
+ connection.addRequestProperty("Accept", "application/json");
+ connection.addRequestProperty("Connection", "close");
+ connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request
+ connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length));
+ connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format
+ connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION);
+
+ // Send data
+ connection.setDoOutput(true);
+ DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
+ outputStream.write(compressedData);
+ outputStream.flush();
+ outputStream.close();
+
+ connection.getInputStream().close(); // We don't care about the response - Just send our data :)
+ }
+
+ /**
+ * Gzips the given String.
+ *
+ * @param str The string to gzip.
+ * @return The gzipped String.
+ * @throws IOException If the compression failed.
+ */
+ private static byte[] compress(final String str) throws IOException {
+ if (str == null) {
+ return null;
+ }
+ ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+ GZIPOutputStream gzip = new GZIPOutputStream(outputStream);
+ gzip.write(str.getBytes("UTF-8"));
+ gzip.close();
+ return outputStream.toByteArray();
+ }
+
+ /**
+ * Represents a custom chart.
+ */
+ public static abstract class CustomChart {
+
+ // The id of the chart
+ final String chartId;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ */
+ CustomChart(String chartId) {
+ if (chartId == null || chartId.isEmpty()) {
+ throw new IllegalArgumentException("ChartId cannot be null or empty!");
+ }
+ this.chartId = chartId;
+ }
+
+ private JSONObject getRequestJsonObject() {
+ JSONObject chart = new JSONObject();
+ chart.put("chartId", chartId);
+ try {
+ JSONObject data = getChartData();
+ if (data == null) {
+ // If the data is null we don't send the chart.
+ return null;
+ }
+ chart.put("data", data);
+ } catch (Throwable t) {
+ if (logFailedRequests) {
+ logger.log(Level.WARNING, "Failed to get data for custom chart with id " + chartId, t);
+ }
+ return null;
+ }
+ return chart;
+ }
+
+ protected abstract JSONObject getChartData() throws Exception;
+
+ }
+
+ /**
+ * Represents a custom simple pie.
+ */
+ public static class SimplePie extends CustomChart {
+
+ private final Callable<String> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public SimplePie(String chartId, Callable<String> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ String value = callable.call();
+ if (value == null || value.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("value", value);
+ return data;
+ }
+ }
+
+ /**
+ * Represents a custom advanced pie.
+ */
+ public static class AdvancedPie extends CustomChart {
+
+ private final Callable<Map<String, Integer>> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public AdvancedPie(String chartId, Callable<Map<String, Integer>> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ JSONObject values = new JSONObject();
+ Map<String, Integer> map = callable.call();
+ if (map == null || map.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ boolean allSkipped = true;
+ for (Map.Entry<String, Integer> entry : map.entrySet()) {
+ if (entry.getValue() == 0) {
+ continue; // Skip this invalid
+ }
+ allSkipped = false;
+ values.put(entry.getKey(), entry.getValue());
+ }
+ if (allSkipped) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("values", values);
+ return data;
+ }
+ }
+
+ /**
+ * Represents a custom drilldown pie.
+ */
+ public static class DrilldownPie extends CustomChart {
+
+ private final Callable<Map<String, Map<String, Integer>>> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public DrilldownPie(String chartId, Callable<Map<String, Map<String, Integer>>> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ public JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ JSONObject values = new JSONObject();
+ Map<String, Map<String, Integer>> map = callable.call();
+ if (map == null || map.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ boolean reallyAllSkipped = true;
+ for (Map.Entry<String, Map<String, Integer>> entryValues : map.entrySet()) {
+ JSONObject value = new JSONObject();
+ boolean allSkipped = true;
+ for (Map.Entry<String, Integer> valueEntry : map.get(entryValues.getKey()).entrySet()) {
+ value.put(valueEntry.getKey(), valueEntry.getValue());
+ allSkipped = false;
+ }
+ if (!allSkipped) {
+ reallyAllSkipped = false;
+ values.put(entryValues.getKey(), value);
+ }
+ }
+ if (reallyAllSkipped) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("values", values);
+ return data;
+ }
+ }
+
+ /**
+ * Represents a custom single line chart.
+ */
+ public static class SingleLineChart extends CustomChart {
+
+ private final Callable<Integer> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public SingleLineChart(String chartId, Callable<Integer> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ int value = callable.call();
+ if (value == 0) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("value", value);
+ return data;
+ }
+
+ }
+
+ /**
+ * Represents a custom multi line chart.
+ */
+ public static class MultiLineChart extends CustomChart {
+
+ private final Callable<Map<String, Integer>> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public MultiLineChart(String chartId, Callable<Map<String, Integer>> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ JSONObject values = new JSONObject();
+ Map<String, Integer> map = callable.call();
+ if (map == null || map.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ boolean allSkipped = true;
+ for (Map.Entry<String, Integer> entry : map.entrySet()) {
+ if (entry.getValue() == 0) {
+ continue; // Skip this invalid
+ }
+ allSkipped = false;
+ values.put(entry.getKey(), entry.getValue());
+ }
+ if (allSkipped) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("values", values);
+ return data;
+ }
+
+ }
+
+ /**
+ * Represents a custom simple bar chart.
+ */
+ public static class SimpleBarChart extends CustomChart {
+
+ private final Callable<Map<String, Integer>> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public SimpleBarChart(String chartId, Callable<Map<String, Integer>> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ JSONObject values = new JSONObject();
+ Map<String, Integer> map = callable.call();
+ if (map == null || map.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ for (Map.Entry<String, Integer> entry : map.entrySet()) {
+ JSONArray categoryValues = new JSONArray();
+ categoryValues.add(entry.getValue());
+ values.put(entry.getKey(), categoryValues);
+ }
+ data.put("values", values);
+ return data;
+ }
+
+ }
+
+ /**
+ * Represents a custom advanced bar chart.
+ */
+ public static class AdvancedBarChart extends CustomChart {
+
+ private final Callable<Map<String, int[]>> callable;
+
+ /**
+ * Class constructor.
+ *
+ * @param chartId The id of the chart.
+ * @param callable The callable which is used to request the chart data.
+ */
+ public AdvancedBarChart(String chartId, Callable<Map<String, int[]>> callable) {
+ super(chartId);
+ this.callable = callable;
+ }
+
+ @Override
+ protected JSONObject getChartData() throws Exception {
+ JSONObject data = new JSONObject();
+ JSONObject values = new JSONObject();
+ Map<String, int[]> map = callable.call();
+ if (map == null || map.isEmpty()) {
+ // Null = skip the chart
+ return null;
+ }
+ boolean allSkipped = true;
+ for (Map.Entry<String, int[]> entry : map.entrySet()) {
+ if (entry.getValue().length == 0) {
+ continue; // Skip this invalid
+ }
+ allSkipped = false;
+ JSONArray categoryValues = new JSONArray();
+ for (int categoryValue : entry.getValue()) {
+ categoryValues.add(categoryValue);
+ }
+ values.put(entry.getKey(), categoryValues);
+ }
+ if (allSkipped) {
+ // Null = skip the chart
+ return null;
+ }
+ data.put("values", values);
+ return data;
+ }
+
+ }
+
+ public static class PaperMetrics {
+ public static void startMetrics() {
+ // Get the config file
+ File configFile = new File(new File((File) MinecraftServer.getServer().options.valueOf("plugins"), "bStats"), "config.yml");
+ YamlConfiguration config = YamlConfiguration.loadConfiguration(configFile);
+
+ // Check if the config file exists
+ if (!config.isSet("serverUuid")) {
+
+ // Add default values
+ config.addDefault("enabled", true);
+ // Every server gets it's unique random id.
+ config.addDefault("serverUuid", UUID.randomUUID().toString());
+ // Should failed request be logged?
+ config.addDefault("logFailedRequests", false);
+
+ // Inform the server owners about bStats
+ config.options().header(
+ "bStats collects some data for plugin authors like how many servers are using their plugins.\n" +
+ "To honor their work, you should not disable it.\n" +
+ "This has nearly no effect on the server performance!\n" +
+ "Check out https://bStats.org/ to learn more :)"
+ ).copyDefaults(true);
+ try {
+ config.save(configFile);
+ } catch (IOException ignored) {
+ }
+ }
+ // Load the data
+ String serverUUID = config.getString("serverUuid");
+ boolean logFailedRequests = config.getBoolean("logFailedRequests", false);
+ // Only start Metrics, if it's enabled in the config
+ if (config.getBoolean("enabled", true)) {
+ Metrics metrics = new Metrics("Paper", serverUUID, logFailedRequests, Bukkit.getLogger());
+
+ metrics.addCustomChart(new Metrics.SimplePie("minecraft_version", () -> {
+ String minecraftVersion = Bukkit.getVersion();
+ minecraftVersion = minecraftVersion.substring(minecraftVersion.indexOf("MC: ") + 4, minecraftVersion.length() - 1);
+ return minecraftVersion;
+ }));
+
+ metrics.addCustomChart(new Metrics.SingleLineChart("players", () -> Bukkit.getOnlinePlayers().size()));
+ metrics.addCustomChart(new Metrics.SimplePie("online_mode", () -> Bukkit.getOnlineMode() ? "online" : "offline"));
+ final String paperVersion;
+ final String implVersion = org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion();
+ if (implVersion != null) {
+ final String buildOrHash = implVersion.substring(implVersion.lastIndexOf('-') + 1);
+ paperVersion = "git-Paper-%s-%s".formatted(Bukkit.getServer().getMinecraftVersion(), buildOrHash);
+ } else {
+ paperVersion = "unknown";
+ }
+ metrics.addCustomChart(new Metrics.SimplePie("paper_version", () -> paperVersion));
+
+ metrics.addCustomChart(new Metrics.DrilldownPie("java_version", () -> {
+ Map<String, Map<String, Integer>> map = new HashMap<>();
+ String javaVersion = System.getProperty("java.version");
+ Map<String, Integer> entry = new HashMap<>();
+ entry.put(javaVersion, 1);
+
+ // http://openjdk.java.net/jeps/223
+ // Java decided to change their versioning scheme and in doing so modified the java.version system
+ // property to return $major[.$minor][.$secuity][-ea], as opposed to 1.$major.0_$identifier
+ // we can handle pre-9 by checking if the "major" is equal to "1", otherwise, 9+
+ String majorVersion = javaVersion.split("\\.")[0];
+ String release;
+
+ int indexOf = javaVersion.lastIndexOf('.');
+
+ if (majorVersion.equals("1")) {
+ release = "Java " + javaVersion.substring(0, indexOf);
+ } else {
+ // of course, it really wouldn't be all that simple if they didn't add a quirk, now would it
+ // valid strings for the major may potentially include values such as -ea to deannotate a pre release
+ Matcher versionMatcher = Pattern.compile("\\d+").matcher(majorVersion);
+ if (versionMatcher.find()) {
+ majorVersion = versionMatcher.group(0);
+ }
+ release = "Java " + majorVersion;
+ }
+ map.put(release, entry);
+
+ return map;
+ }));
+
+ metrics.addCustomChart(new Metrics.DrilldownPie("legacy_plugins", () -> {
+ Map<String, Map<String, Integer>> map = new HashMap<>();
+
+ // count legacy plugins
+ int legacy = 0;
+ for (Plugin plugin : Bukkit.getPluginManager().getPlugins()) {
+ if (CraftMagicNumbers.isLegacy(plugin.getDescription())) {
+ legacy++;
+ }
+ }
+
+ // insert real value as lower dimension
+ Map<String, Integer> entry = new HashMap<>();
+ entry.put(String.valueOf(legacy), 1);
+
+ // create buckets as higher dimension
+ if (legacy == 0) {
+ map.put("0 \uD83D\uDE0E", entry); // :sunglasses:
+ } else if (legacy <= 5) {
+ map.put("1-5", entry);
+ } else if (legacy <= 10) {
+ map.put("6-10", entry);
+ } else if (legacy <= 25) {
+ map.put("11-25", entry);
+ } else if (legacy <= 50) {
+ map.put("26-50", entry);
+ } else {
+ map.put("50+ \uD83D\uDE2D", entry); // :cry:
+ }
+
+ return map;
+ }));
+ }
+
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 6c83df6290e4ec59c596f1b9e2f10f0a80004acd..4b303d8acc663cfd3b86e37f4a3110d5335d07ad 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -187,6 +187,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
io.papermc.paper.command.PaperCommands.registerCommands(this);
+ com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics();
// Paper end
this.setPvpAllowed(dedicatedserverproperties.pvp);
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index 1d066ce7dcf5f548c2a34d308d4422ab4fd02e5a..0fca20580d81c461e903c8cbd1cf090f5d5083c6 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -83,6 +83,7 @@ public class SpigotConfig
MinecraftServer.getServer().server.getCommandMap().register( entry.getKey(), "Spigot", entry.getValue() );
}
+ /* // Paper - Replace with our own
if ( SpigotConfig.metrics == null )
{
try
@@ -94,6 +95,7 @@ public class SpigotConfig
Bukkit.getServer().getLogger().log( Level.SEVERE, "Could not start metrics service", ex );
}
}
+ */ // Paper end
}
public static void readConfig(Class<?> clazz, Object instance) // Paper - package-private -> public

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