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testserver/Spigot-Server-Patches/0398-Chunk-debug-command.patch

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From 31b83772019ef71b865f779b6ef7f253a8ea323b 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 352a39dcb3..4a7939472d 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -28,14 +28,14 @@ public class PaperCommand extends Command {
public PaperCommand(String name) {
super(name);
this.description = "Paper related commands";
- this.usageMessage = "/paper [heap | entity | reload | version]";
+ this.usageMessage = "/paper [heap | entity | reload | version | debug]";
this.setPermission("bukkit.command.paper");
}
@Override
public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
if (args.length <= 1)
- return getListMatchingLast(args, "heap", "entity", "reload", "version");
+ return getListMatchingLast(args, "heap", "entity", "reload", "version", "debug");
switch (args[0].toLowerCase(Locale.ENGLISH))
{
@@ -45,6 +45,10 @@ public class PaperCommand extends Command {
if (args.length == 3)
return getListMatchingLast(args, EntityTypes.getEntityNameList().stream().map(MinecraftKey::toString).sorted().toArray(String[]::new));
break;
+ case "debug":
+ if (args.length == 2) {
+ return getListMatchingLast(args, "help", "chunks");
+ }
}
return Collections.emptyList();
}
@@ -109,6 +113,9 @@ public class PaperCommand extends Command {
case "reload":
doReload(sender);
break;
+ case "debug":
+ doDebug(sender, args);
+ break;
case "ver":
case "version":
Command ver = org.bukkit.Bukkit.getServer().getCommandMap().getCommand("version");
@@ -125,6 +132,39 @@ public class PaperCommand extends Command {
return true;
}
+ 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/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
index d3c2ad3c40..705ca68798 100644
--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
@@ -33,7 +33,7 @@ public abstract class ChunkMapDistance {
private static final int b = 33 + ChunkStatus.a(ChunkStatus.FULL) - 2;
private final Long2ObjectMap<ObjectSet<EntityPlayer>> c = new Long2ObjectOpenHashMap();
private final Long2ObjectMap<ObjectSet<EntityPlayer>> d = new Long2ObjectOpenHashMap();
- private final Long2ObjectOpenHashMap<ObjectSortedSet<Ticket<?>>> tickets = new Long2ObjectOpenHashMap();
+ final Long2ObjectOpenHashMap<ObjectSortedSet<Ticket<?>>> tickets = new Long2ObjectOpenHashMap(); // Paper -> private -> package
private final ChunkMapDistance.a f = new ChunkMapDistance.a();
private final ChunkMapDistance.c g = new ChunkMapDistance.c();
private int entitydistance;
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 0e941b520f..a6a9f1923f 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -23,7 +23,7 @@ import org.apache.logging.log4j.Logger;
public class ChunkProviderServer extends IChunkProvider {
private static final int b = (int) Math.pow(17.0D, 2.0D);
- private static final List<ChunkStatus> c = ChunkStatus.a();
+ private static final List<ChunkStatus> c = ChunkStatus.a(); static final List<ChunkStatus> getPossibleChunkStatuses() { return ChunkProviderServer.c; } // Paper - OBFHELPER
private final ChunkMapDistance chunkMapDistance;
public final ChunkGenerator<?> chunkGenerator;
private final WorldServer world;
diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
index ec3732193f..fa0763cd9c 100644
--- a/src/main/java/net/minecraft/server/MCUtil.java
+++ b/src/main/java/net/minecraft/server/MCUtil.java
@@ -4,7 +4,13 @@ import com.destroystokyo.paper.block.TargetBlockInfo;
import com.destroystokyo.paper.profile.CraftPlayerProfile;
import com.destroystokyo.paper.profile.PlayerProfile;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
+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.apache.commons.lang.exception.ExceptionUtils;
import org.bukkit.Location;
import org.bukkit.block.BlockFace;
@@ -14,7 +20,11 @@ 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.Executor;
@@ -354,4 +364,170 @@ public final class MCUtil {
return null;
}
+
+ public static ChunkStatus getChunkStatus(PlayerChunk chunk) {
+ List<ChunkStatus> statuses = ChunkProviderServer.getPossibleChunkStatuses();
+ for (int i = statuses.size() - 1; i >= 0; --i) {
+ ChunkStatus curr = statuses.get(i);
+ CompletableFuture<Either<IChunkAccess, PlayerChunk.Failure>> future = chunk.getStatusFutureUnchecked(curr);
+ if (future != PlayerChunk.UNLOADED_CHUNK_ACCESS_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();
+
+ WorldServer world = ((org.bukkit.craftbukkit.CraftWorld)bukkitWorld).getHandle();
+ PlayerChunkMap chunkMap = world.getChunkProvider().playerChunkMap;
+ Long2ObjectLinkedOpenHashMap<PlayerChunk> visibleChunks = chunkMap.visibleChunks;
+ ChunkMapDistance chunkMapDistance = chunkMap.getChunkMapDistanceManager();
+ List<PlayerChunk> allChunks = new ArrayList<>(visibleChunks.values());
+ List<EntityPlayer> players = world.players;
+
+ int fullLoadedChunks = 0;
+
+ for (PlayerChunk chunk : allChunks) {
+ if (chunk.getFullChunk() != null) {
+ ++fullLoadedChunks;
+ }
+ }
+
+ // sorting by coordinate makes the log easier to read
+ allChunks.sort((PlayerChunk v1, PlayerChunk v2) -> {
+ if (v1.location.x != v2.location.x) {
+ return Integer.compare(v1.location.x, v2.location.x);
+ }
+ return Integer.compare(v1.location.z, v2.location.z);
+ });
+
+ worldData.addProperty("name", world.getWorldData().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.loadedChunks.size());
+ worldData.addProperty("verified-fully-loaded-chunks", fullLoadedChunks);
+
+ JsonArray playersData = new JsonArray();
+
+ for (EntityPlayer player : players) {
+ JsonObject playerData = new JsonObject();
+
+ playerData.addProperty("name", player.getName());
+ playerData.addProperty("x", player.locX);
+ playerData.addProperty("y", player.locY);
+ playerData.addProperty("z", player.locZ);
+
+ playersData.add(playerData);
+
+ }
+
+ worldData.add("players", playersData);
+
+ JsonArray chunksData = new JsonArray();
+
+ for (PlayerChunk playerChunk : allChunks) {
+ JsonObject chunkData = new JsonObject();
+
+ Set<Ticket<?>> tickets = chunkMapDistance.tickets.get(playerChunk.location.pair());
+ ChunkStatus status = getChunkStatus(playerChunk);
+
+ chunkData.addProperty("x", playerChunk.location.x);
+ chunkData.addProperty("z", playerChunk.location.z);
+ chunkData.addProperty("ticket-level", playerChunk.getTicketLevel());
+ chunkData.addProperty("state", PlayerChunk.getChunkState(playerChunk.getTicketLevel()).toString());
+ chunkData.addProperty("queued-for-unload", chunkMap.unloadQueue.contains(playerChunk.location.pair()));
+ 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.getTicketType().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);
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 0d8cddeb62..22739ad8a1 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -26,7 +26,7 @@ public class PlayerChunk {
public int oldTicketLevel;
private int ticketLevel;
private int n;
- private final ChunkCoordIntPair location;
+ final ChunkCoordIntPair location; // Paper - private -> package
private final short[] dirtyBlocks;
private int dirtyCount;
private int r;
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 276a365ff5..ef921005c5 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -53,7 +53,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
public final Long2ObjectLinkedOpenHashMap<PlayerChunk> updatingChunks = new Long2ObjectLinkedOpenHashMap();
public volatile Long2ObjectLinkedOpenHashMap<PlayerChunk> visibleChunks;
private final Long2ObjectLinkedOpenHashMap<PlayerChunk> pendingUnload;
- private final LongSet loadedChunks;
+ final LongSet loadedChunks; // Paper - private -> package
public final WorldServer world;
private final LightEngineThreaded lightEngine;
private final IAsyncTaskHandler<Runnable> executor;
@@ -66,7 +66,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxWorldGen;
private final Mailbox<ChunkTaskQueueSorter.a<Runnable>> mailboxMain;
public final WorldLoadListener worldLoadListener;
- private final PlayerChunkMap.a u;
+ private final PlayerChunkMap.a u; public final PlayerChunkMap.a getChunkMapDistanceManager() { return this.u; } // Paper - OBFHELPER
private final AtomicInteger v;
private final DefinedStructureManager definedStructureManager;
private final File x;
diff --git a/src/main/java/net/minecraft/server/Ticket.java b/src/main/java/net/minecraft/server/Ticket.java
index 74d6e3d2f5..4a1ba0dd80 100644
--- a/src/main/java/net/minecraft/server/Ticket.java
+++ b/src/main/java/net/minecraft/server/Ticket.java
@@ -6,8 +6,8 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
private final TicketType<T> a;
private final int b;
- private final T c;
- private final long d;
+ private final T c; public final T getObjectReason() { return this.c; } // Paper - OBFHELPER
+ private final long d; public final long getCreationTick() { return this.d; } // Paper - OBFHELPER
protected Ticket(TicketType<T> tickettype, int i, T t0, long j) {
this.a = tickettype;
@@ -52,6 +52,7 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
return this.a;
}
+ public final int getTicketLevel() { return this.b(); } // Paper - OBFHELPER
public int b() {
return this.b;
}
--
2.21.0
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