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Paper/patches/server/0333-Chunk-debug-command.patch
Jake Potrebic 6f064f928e
add more patches back
2021-06-15 21:53:50 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 1 Jun 2019 13:00:55 -0700
Subject: [PATCH] Chunk debug command
Prints all chunk information to a text file into the debug
folder in the root server folder. The format is in JSON, and
the data format is described in MCUtil#dumpChunks(File)
The command will output server version and all online players to the
file as well. We do not log anything but the location, world and
username of the player.
Also logs the value of these config values (note not all are paper's):
- keep spawn loaded value
- spawn radius
- view distance
Each chunk has the following logged:
- Coordinate
- Ticket level & its corresponding state
- Whether it is queued for unload
- Chunk status (may be unloaded)
- All tickets on the chunk
Example log:
https://gist.githubusercontent.com/Spottedleaf/0131e7710ffd5d531e5fd246c3367380/raw/169ae1b2e240485f99bc7a6bd8e78d90e3af7397/chunks-2019-06-01_19.57.05.txt
For references on certain keywords (ticket, status, etc), please see:
https://bugs.mojang.com/browse/MC-141484?focusedCommentId=528273&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-528273
https://bugs.mojang.com/browse/MC-141484?focusedCommentId=528577&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-528577
diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
index 1fa190e098079522e0fe3593fa261c1b7ad4e24b..71ffa66973d8994e2a480435ac1ada3fe61600a4 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -6,13 +6,15 @@ import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
-import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ChunkHolder;
import net.minecraft.server.level.ServerChunkCache;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.level.ChunkPos;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MCUtil;
import org.apache.commons.lang3.tuple.MutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.bukkit.Bukkit;
@@ -41,7 +43,7 @@ import java.util.stream.Collectors;
public class PaperCommand extends Command {
private static final String BASE_PERM = "bukkit.command.paper.";
- private static final ImmutableSet<String> SUBCOMMANDS = ImmutableSet.<String>builder().add("heap", "entity", "reload", "version").build();
+ private static final ImmutableSet<String> SUBCOMMANDS = ImmutableSet.<String>builder().add("heap", "entity", "reload", "version", "debug", "chunkinfo").build();
public PaperCommand(String name) {
super(name);
@@ -69,6 +71,21 @@ public class PaperCommand extends Command {
if (args.length == 3)
return getListMatchingLast(sender, args, EntityType.getEntityNameList().stream().map(ResourceLocation::toString).sorted().toArray(String[]::new));
break;
+ case "debug":
+ if (args.length == 2) {
+ return getListMatchingLast(sender, args, "help", "chunks");
+ }
+ break;
+ case "chunkinfo":
+ List<String> worldNames = new ArrayList<>();
+ worldNames.add("*");
+ for (org.bukkit.World world : Bukkit.getWorlds()) {
+ worldNames.add(world.getName());
+ }
+ if (args.length == 2) {
+ return getListMatchingLast(sender, args, worldNames);
+ }
+ break;
}
return Collections.emptyList();
}
@@ -135,6 +152,12 @@ public class PaperCommand extends Command {
case "reload":
doReload(sender);
break;
+ case "debug":
+ doDebug(sender, args);
+ break;
+ case "chunkinfo":
+ doChunkInfo(sender, args);
+ break;
case "ver":
if (!testPermission(sender, "version")) break; // "ver" needs a special check because it's an alias. All other commands are checked up before the switch statement (because they are present in the SUBCOMMANDS set)
case "version":
@@ -152,6 +175,114 @@ public class PaperCommand extends Command {
return true;
}
+ private void doChunkInfo(CommandSender sender, String[] args) {
+ List<org.bukkit.World> worlds;
+ if (args.length < 2 || args[1].equals("*")) {
+ worlds = Bukkit.getWorlds();
+ } else {
+ worlds = new ArrayList<>(args.length - 1);
+ for (int i = 1; i < args.length; ++i) {
+ org.bukkit.World world = Bukkit.getWorld(args[i]);
+ if (world == null) {
+ sender.sendMessage(ChatColor.RED + "World '" + args[i] + "' is invalid");
+ return;
+ }
+ worlds.add(world);
+ }
+ }
+
+ int accumulatedTotal = 0;
+ int accumulatedInactive = 0;
+ int accumulatedBorder = 0;
+ int accumulatedTicking = 0;
+ int accumulatedEntityTicking = 0;
+
+ for (org.bukkit.World bukkitWorld : worlds) {
+ ServerLevel world = ((CraftWorld)bukkitWorld).getHandle();
+
+ int total = 0;
+ int inactive = 0;
+ int border = 0;
+ int ticking = 0;
+ int entityTicking = 0;
+
+ for (ChunkHolder chunk : world.getChunkSource().chunkMap.updatingChunkMap.values()) {
+ if (chunk.getFullChunkIfCached() == null) {
+ continue;
+ }
+
+ ++total;
+
+ ChunkHolder.FullChunkStatus state = ChunkHolder.getFullChunkStatus(chunk.getTicketLevel());
+
+ switch (state) {
+ case INACCESSIBLE:
+ ++inactive;
+ continue;
+ case BORDER:
+ ++border;
+ continue;
+ case TICKING:
+ ++ticking;
+ continue;
+ case ENTITY_TICKING:
+ ++entityTicking;
+ continue;
+ }
+ }
+
+ accumulatedTotal += total;
+ accumulatedInactive += inactive;
+ accumulatedBorder += border;
+ accumulatedTicking += ticking;
+ accumulatedEntityTicking += entityTicking;
+
+ sender.sendMessage(ChatColor.BLUE + "Chunks in " + ChatColor.GREEN + bukkitWorld.getName() + ChatColor.DARK_AQUA + ":");
+ sender.sendMessage(ChatColor.BLUE + "Total: " + ChatColor.DARK_AQUA + total + ChatColor.BLUE + " Inactive: " + ChatColor.DARK_AQUA
+ + inactive + ChatColor.BLUE + " Border: " + ChatColor.DARK_AQUA + border + ChatColor.BLUE + " Ticking: "
+ + ChatColor.DARK_AQUA + ticking + ChatColor.BLUE + " Entity: " + ChatColor.DARK_AQUA + entityTicking);
+ }
+ if (worlds.size() > 1) {
+ sender.sendMessage(ChatColor.BLUE + "Chunks in " + ChatColor.GREEN + "all listed worlds" + ChatColor.DARK_AQUA + ":");
+ sender.sendMessage(ChatColor.BLUE + "Total: " + ChatColor.DARK_AQUA + accumulatedTotal + ChatColor.BLUE + " Inactive: " + ChatColor.DARK_AQUA
+ + accumulatedInactive + ChatColor.BLUE + " Border: " + ChatColor.DARK_AQUA + accumulatedBorder + ChatColor.BLUE + " Ticking: "
+ + ChatColor.DARK_AQUA + accumulatedTicking + ChatColor.BLUE + " Entity: " + ChatColor.DARK_AQUA + accumulatedEntityTicking);
+ }
+ }
+
+ private void doDebug(CommandSender sender, String[] args) {
+ if (args.length < 2) {
+ sender.sendMessage(ChatColor.RED + "Use /paper debug [chunks] help for more information on a specific command");
+ return;
+ }
+
+ String debugType = args[1].toLowerCase(Locale.ENGLISH);
+ switch (debugType) {
+ case "chunks":
+ if (args.length >= 3 && args[2].toLowerCase(Locale.ENGLISH).equals("help")) {
+ sender.sendMessage(ChatColor.RED + "Use /paper debug chunks to dump loaded chunk information to a file");
+ break;
+ }
+ File file = new File(new File(new File("."), "debug"),
+ "chunks-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now()) + ".txt");
+ sender.sendMessage(ChatColor.GREEN + "Writing chunk information dump to " + file.toString());
+ try {
+ MCUtil.dumpChunks(file);
+ sender.sendMessage(ChatColor.GREEN + "Successfully written chunk information!");
+ } catch (Throwable thr) {
+ MinecraftServer.LOGGER.warn("Failed to dump chunk information to file " + file.toString(), thr);
+ sender.sendMessage(ChatColor.RED + "Failed to dump chunk information, see console");
+ }
+
+ break;
+ case "help":
+ // fall through to default
+ default:
+ sender.sendMessage(ChatColor.RED + "Use /paper debug [chunks] help for more information on a specific command");
+ return;
+ }
+ }
+
/*
* Ported from MinecraftForge - author: LexManos <LexManos@gmail.com> - License: LGPLv2.1
*/
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index 0df3961919f04f27eb265ab316aa5a0f15a70854..bb0a07a280c7d4885165e9d6488e7741aaa7b47c 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -8,13 +8,27 @@ import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.chat.Component;
+import net.minecraft.server.level.ChunkHolder;
+import net.minecraft.server.level.ChunkMap;
+import net.minecraft.server.level.DistanceManager;
+import net.minecraft.server.level.ServerChunkCache;
import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.server.level.Ticket;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.ClipContext;
import net.minecraft.world.level.Level;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import net.minecraft.world.level.chunk.ChunkStatus;
import org.apache.commons.lang.exception.ExceptionUtils;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.internal.Streams;
+import com.google.gson.stream.JsonWriter;
import com.mojang.authlib.GameProfile;
+import com.mojang.datafixers.util.Either;
+import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
import org.bukkit.Location;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.CraftWorld;
@@ -23,8 +37,11 @@ import org.spigotmc.AsyncCatcher;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
+import java.io.*;
+import java.util.ArrayList;
import java.util.List;
import java.util.Queue;
+import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.LinkedBlockingQueue;
@@ -530,6 +547,172 @@ public final class MCUtil {
return null;
}
+ public static ChunkStatus getChunkStatus(ChunkHolder chunk) {
+ List<ChunkStatus> statuses = ServerChunkCache.getPossibleChunkStatuses();
+ for (int i = statuses.size() - 1; i >= 0; --i) {
+ ChunkStatus curr = statuses.get(i);
+ CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> future = chunk.getFutureIfPresentUnchecked(curr);
+ if (future != ChunkHolder.UNLOADED_CHUNK_FUTURE) {
+ return curr;
+ }
+ }
+ return null; // unloaded
+ }
+
+ public static void dumpChunks(File file) throws IOException {
+ file.getParentFile().mkdirs();
+ file.createNewFile();
+ /*
+ * Json format:
+ *
+ * Main data format:
+ * -server-version:<string>
+ * -data-version:<int>
+ * -worlds:
+ * -name:<world name>
+ * -view-distance:<int>
+ * -keep-spawn-loaded:<boolean>
+ * -keep-spawn-loaded-range:<int>
+ * -visible-chunk-count:<int>
+ * -loaded-chunk-count:<int>
+ * -verified-fully-loaded-chunks:<int>
+ * -players:<array of player>
+ * -chunk-data:<array of chunks>
+ *
+ * Player format:
+ * -name:<string>
+ * -x:<double>
+ * -y:<double>
+ * -z:<double>
+ *
+ * Chunk Format:
+ * -x:<integer>
+ * -z:<integer>
+ * -ticket-level:<integer>
+ * -state:<string>
+ * -queued-for-unload:<boolean>
+ * -status:<string>
+ * -tickets:<array of tickets>
+ *
+ *
+ * Ticket format:
+ * -ticket-type:<string>
+ * -ticket-level:<int>
+ * -add-tick:<long>
+ * -object-reason:<string> // This depends on the type of ticket. ie POST_TELEPORT -> entity id
+ */
+ List<org.bukkit.World> worlds = org.bukkit.Bukkit.getWorlds();
+ JsonObject data = new JsonObject();
+
+ data.addProperty("server-version", org.bukkit.Bukkit.getVersion());
+ data.addProperty("data-version", 0);
+
+ JsonArray worldsData = new JsonArray();
+
+ for (org.bukkit.World bukkitWorld : worlds) {
+ JsonObject worldData = new JsonObject();
+
+ ServerLevel world = ((org.bukkit.craftbukkit.CraftWorld)bukkitWorld).getHandle();
+ ChunkMap chunkMap = world.getChunkSource().chunkMap;
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunks = chunkMap.visibleChunkMap;
+ DistanceManager chunkMapDistance = chunkMap.distanceManager;
+ List<ChunkHolder> allChunks = new ArrayList<>(visibleChunks.values());
+ List<ServerPlayer> players = world.players;
+
+ int fullLoadedChunks = 0;
+
+ for (ChunkHolder chunk : allChunks) {
+ if (chunk.getFullChunkIfCached() != null) {
+ ++fullLoadedChunks;
+ }
+ }
+
+ // sorting by coordinate makes the log easier to read
+ allChunks.sort((ChunkHolder v1, ChunkHolder v2) -> {
+ if (v1.pos.x != v2.pos.x) {
+ return Integer.compare(v1.pos.x, v2.pos.x);
+ }
+ return Integer.compare(v1.pos.z, v2.pos.z);
+ });
+
+ worldData.addProperty("name", world.getWorld().getName());
+ worldData.addProperty("view-distance", world.spigotConfig.viewDistance);
+ worldData.addProperty("keep-spawn-loaded", world.keepSpawnInMemory);
+ worldData.addProperty("keep-spawn-loaded-range", world.paperConfig.keepLoadedRange);
+ worldData.addProperty("visible-chunk-count", visibleChunks.size());
+ worldData.addProperty("loaded-chunk-count", chunkMap.entitiesInLevel.size());
+ worldData.addProperty("verified-fully-loaded-chunks", fullLoadedChunks);
+
+ JsonArray playersData = new JsonArray();
+
+ for (ServerPlayer player : players) {
+ JsonObject playerData = new JsonObject();
+
+ playerData.addProperty("name", player.getScoreboardName());
+ playerData.addProperty("x", player.getX());
+ playerData.addProperty("y", player.getY());
+ playerData.addProperty("z", player.getZ());
+
+ playersData.add(playerData);
+
+ }
+
+ worldData.add("players", playersData);
+
+ JsonArray chunksData = new JsonArray();
+
+ for (ChunkHolder playerChunk : allChunks) {
+ JsonObject chunkData = new JsonObject();
+
+ Set<Ticket<?>> tickets = chunkMapDistance.tickets.get(playerChunk.pos.longKey);
+ ChunkStatus status = getChunkStatus(playerChunk);
+
+ chunkData.addProperty("x", playerChunk.pos.x);
+ chunkData.addProperty("z", playerChunk.pos.z);
+ chunkData.addProperty("ticket-level", playerChunk.getTicketLevel());
+ chunkData.addProperty("state", ChunkHolder.getFullChunkStatus(playerChunk.getTicketLevel()).toString());
+ chunkData.addProperty("queued-for-unload", chunkMap.toDrop.contains(playerChunk.pos.longKey));
+ chunkData.addProperty("status", status == null ? "unloaded" : status.toString());
+
+ JsonArray ticketsData = new JsonArray();
+
+ if (tickets != null) {
+ for (Ticket<?> ticket : tickets) {
+ JsonObject ticketData = new JsonObject();
+
+ ticketData.addProperty("ticket-type", ticket.getType().toString());
+ ticketData.addProperty("ticket-level", ticket.getTicketLevel());
+ ticketData.addProperty("object-reason", String.valueOf(ticket.getObjectReason()));
+ ticketData.addProperty("add-tick", ticket.getCreationTick());
+
+ ticketsData.add(ticketData);
+ }
+ }
+
+ chunkData.add("tickets", ticketsData);
+ chunksData.add(chunkData);
+ }
+
+
+ worldData.add("chunk-data", chunksData);
+ worldsData.add(worldData);
+ }
+
+ data.add("worlds", worldsData);
+
+ StringWriter stringWriter = new StringWriter();
+ JsonWriter jsonWriter = new JsonWriter(stringWriter);
+ jsonWriter.setIndent(" ");
+ jsonWriter.setLenient(false);
+ Streams.write(data, jsonWriter);
+
+ String fileData = stringWriter.toString();
+
+ try (PrintStream out = new PrintStream(new FileOutputStream(file), false, "UTF-8")) {
+ out.print(fileData);
+ }
+ }
+
public static int getTicketLevelFor(net.minecraft.world.level.chunk.ChunkStatus status) {
return net.minecraft.server.level.ChunkMap.MAX_VIEW_DISTANCE + net.minecraft.world.level.chunk.ChunkStatus.getDistance(status);
}
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 1ff399ae84eb5281cd058556f67374688ab59e54..1e52b8e97dcee512e7d2fbe157152df9e0779bf1 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -61,7 +61,7 @@ public class ChunkHolder {
public int oldTicketLevel;
private int ticketLevel;
private int queueLevel;
- final ChunkPos pos;
+ public final ChunkPos pos; // Paper - package->public
private boolean hasChangedSections;
private final ShortSet[] changedBlocksPerSection;
private final BitSet blockChangedLightSectionFilter;
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index b15d5c2a8d4d2184a55a16ff2071fd82cb2e0457..d76568b06ff5035e59b664e371fe4a216517327a 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -49,7 +49,7 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap; // Paper
public class ServerChunkCache extends ChunkSource {
- private static final List<ChunkStatus> CHUNK_STATUSES = ChunkStatus.getStatusList();
+ private static final List<ChunkStatus> CHUNK_STATUSES = ChunkStatus.getStatusList(); public static final List<ChunkStatus> getPossibleChunkStatuses() { return ServerChunkCache.CHUNK_STATUSES; } // Paper - OBFHELPER
private final DistanceManager distanceManager;
public final ChunkGenerator generator;
final ServerLevel level;
diff --git a/src/main/java/net/minecraft/server/level/Ticket.java b/src/main/java/net/minecraft/server/level/Ticket.java
index b346fa94b23d81da7da073f71dd12e672e0f079c..8b0c6e1a649400908dbb674dfb4cdd1aa0ce1d38 100644
--- a/src/main/java/net/minecraft/server/level/Ticket.java
+++ b/src/main/java/net/minecraft/server/level/Ticket.java
@@ -5,8 +5,8 @@ import java.util.Objects;
public final class Ticket<T> implements Comparable<Ticket<?>> {
private final TicketType<T> type;
private final int ticketLevel;
- public final T key;
- private long createdTick;
+ public final T key; public final T getObjectReason() { return this.key; } // Paper - OBFHELPER
+ private long createdTick; public final long getCreationTick() { return this.createdTick; } // Paper - OBFHELPER
protected Ticket(TicketType<T> type, int level, T argument) {
this.type = type;
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