mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-17 17:31:06 +02:00
46d462b83e
paper previously migrated away from using executeIfPossible as this throws a RejectedExecutionException when the server is shutting down, which is then picked up by the Connection handler object and causes the player to be kicked without the intended disconnection message that comes from commands such as /stop, /restart This was fine, because previously changes made in spigot would just prevent these packets from being executed anyways. Instead, we'll just use a marker exception to try to detect this specific state.
297 lines
15 KiB
Diff
297 lines
15 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Thu, 26 Mar 2020 21:59:32 -0700
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Subject: [PATCH] Detail more information in watchdog dumps
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- Dump position, world, velocity, and uuid for currently ticking entities
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- Dump player name, player uuid, position, and world for packet handling
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
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index fae2a57570a4007b67b9949b9b16504da36a9886..a536ebcf29d8ef0ed32863bd8d5e70f7a0636e8d 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
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+++ b/src/main/java/net/minecraft/network/Connection.java
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@@ -587,7 +587,13 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
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if (!(this.packetListener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl loginPacketListener)
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|| loginPacketListener.state != net.minecraft.server.network.ServerLoginPacketListenerImpl.State.VERIFYING
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|| Connection.joinAttemptsThisTick++ < MAX_PER_TICK) {
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+ // Paper start - detailed watchdog information
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+ net.minecraft.network.protocol.PacketUtils.packetProcessing.push(this.packetListener);
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+ try { // Paper end - detailed watchdog information
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tickablepacketlistener.tick();
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+ } finally { // Paper start - detailed watchdog information
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+ net.minecraft.network.protocol.PacketUtils.packetProcessing.pop();
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+ } // Paper end - detailed watchdog information
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}
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// Paper end - Buffer joins to world
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}
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diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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index b7ffab0284b0bccd79775b8d03c8b2e088f91d1d..83302c252f54481f239522e5c6861ccfe233070a 100644
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--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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@@ -18,6 +18,24 @@ public class PacketUtils {
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private static final Logger LOGGER = LogUtils.getLogger();
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+ // Paper start - detailed watchdog information
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+ public static final java.util.concurrent.ConcurrentLinkedDeque<PacketListener> packetProcessing = new java.util.concurrent.ConcurrentLinkedDeque<>();
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+ static final java.util.concurrent.atomic.AtomicLong totalMainThreadPacketsProcessed = new java.util.concurrent.atomic.AtomicLong();
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+
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+ public static long getTotalProcessedPackets() {
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+ return totalMainThreadPacketsProcessed.get();
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+ }
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+
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+ public static java.util.List<PacketListener> getCurrentPacketProcessors() {
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+ java.util.List<PacketListener> ret = new java.util.ArrayList<>(4);
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+ for (PacketListener listener : packetProcessing) {
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+ ret.add(listener);
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+ }
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+
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+ return ret;
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+ }
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+ // Paper end - detailed watchdog information
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+
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public PacketUtils() {}
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public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, ServerLevel world) throws RunningOnDifferentThreadException {
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@@ -27,6 +45,8 @@ public class PacketUtils {
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public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, BlockableEventLoop<?> engine) throws RunningOnDifferentThreadException {
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if (!engine.isSameThread()) {
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engine.executeIfPossible(() -> {
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+ packetProcessing.push(listener); // Paper - detailed watchdog information
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+ try { // Paper - detailed watchdog information
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if (listener instanceof ServerCommonPacketListenerImpl serverCommonPacketListener && serverCommonPacketListener.processedDisconnect) return; // CraftBukkit - Don't handle sync packets for kicked players
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if (listener.shouldHandleMessage(packet)) {
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co.aikar.timings.Timing timing = co.aikar.timings.MinecraftTimings.getPacketTiming(packet); // Paper - timings
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@@ -64,6 +84,12 @@ public class PacketUtils {
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} else {
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PacketUtils.LOGGER.debug("Ignoring packet due to disconnection: {}", packet);
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}
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+ // Paper start - detailed watchdog information
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+ } finally {
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+ totalMainThreadPacketsProcessed.getAndIncrement();
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+ packetProcessing.pop();
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+ }
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+ // Paper end - detailed watchdog information
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});
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throw RunningOnDifferentThreadException.RUNNING_ON_DIFFERENT_THREAD;
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 9d18da228c6709e7665ba8babb6ee6d0b36b5dc5..af9f58328c09dddb2875f79128f906b8b276ab88 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1239,7 +1239,26 @@ public class ServerLevel extends Level implements WorldGenLevel {
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}
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+ // Paper start - log detailed entity tick information
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+ // TODO replace with varhandle
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+ static final java.util.concurrent.atomic.AtomicReference<Entity> currentlyTickingEntity = new java.util.concurrent.atomic.AtomicReference<>();
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+
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+ public static List<Entity> getCurrentlyTickingEntities() {
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+ Entity ticking = currentlyTickingEntity.get();
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+ List<Entity> ret = java.util.Arrays.asList(ticking == null ? new Entity[0] : new Entity[] { ticking });
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+
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+ return ret;
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+ }
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+ // Paper end - log detailed entity tick information
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+
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public void tickNonPassenger(Entity entity) {
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+ // Paper start - log detailed entity tick information
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+ io.papermc.paper.util.TickThread.ensureTickThread("Cannot tick an entity off-main");
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+ try {
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+ if (currentlyTickingEntity.get() == null) {
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+ currentlyTickingEntity.lazySet(entity);
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+ }
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+ // Paper end - log detailed entity tick information
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++TimingHistory.entityTicks; // Paper - timings
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// Spigot start
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co.aikar.timings.Timing timer; // Paper
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@@ -1279,7 +1298,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
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this.tickPassenger(entity, entity1);
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}
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// } finally { timer.stopTiming(); } // Paper - timings - move up
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-
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+ // Paper start - log detailed entity tick information
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+ } finally {
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+ if (currentlyTickingEntity.get() == entity) {
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+ currentlyTickingEntity.lazySet(null);
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+ }
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+ }
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+ // Paper end - log detailed entity tick information
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}
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private void tickPassenger(Entity vehicle, Entity passenger) {
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index eb269e90c62544d6e56ac8e6e81d0e5d4bc1f7e9..865c5ee8a8a14ef1a7d71dcab3e324932d065d5f 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -1063,8 +1063,43 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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return this.onGround;
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}
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+ // Paper start - detailed watchdog information
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+ public final Object posLock = new Object(); // Paper - log detailed entity tick information
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+
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+ private Vec3 moveVector;
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+ private double moveStartX;
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+ private double moveStartY;
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+ private double moveStartZ;
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+
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+ public final Vec3 getMoveVector() {
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+ return this.moveVector;
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+ }
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+
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+ public final double getMoveStartX() {
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+ return this.moveStartX;
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+ }
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+
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+ public final double getMoveStartY() {
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+ return this.moveStartY;
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+ }
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+
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+ public final double getMoveStartZ() {
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+ return this.moveStartZ;
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+ }
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+ // Paper end - detailed watchdog information
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+
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public void move(MoverType movementType, Vec3 movement) {
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final Vec3 originalMovement = movement; // Paper - Expose pre-collision velocity
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+ // Paper start - detailed watchdog information
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+ io.papermc.paper.util.TickThread.ensureTickThread("Cannot move an entity off-main");
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+ synchronized (this.posLock) {
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+ this.moveStartX = this.getX();
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+ this.moveStartY = this.getY();
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+ this.moveStartZ = this.getZ();
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+ this.moveVector = movement;
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+ }
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+ try {
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+ // Paper end - detailed watchdog information
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if (this.noPhysics) {
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this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
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} else {
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@@ -1234,6 +1269,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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this.level().getProfiler().pop();
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}
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}
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+ // Paper start - detailed watchdog information
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+ } finally {
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+ synchronized (this.posLock) { // Paper
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+ this.moveVector = null;
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+ } // Paper
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+ }
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+ // Paper end - detailed watchdog information
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}
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private boolean isStateClimbable(BlockState state) {
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@@ -4379,7 +4421,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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}
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public void setDeltaMovement(Vec3 velocity) {
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+ synchronized (this.posLock) { // Paper
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this.deltaMovement = velocity;
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+ } // Paper
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}
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public void addDeltaMovement(Vec3 velocity) {
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@@ -4482,7 +4526,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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}
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// Paper end - Fix MC-4
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if (this.position.x != x || this.position.y != y || this.position.z != z) {
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+ synchronized (this.posLock) { // Paper
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this.position = new Vec3(x, y, z);
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+ } // Paper
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int i = Mth.floor(x);
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int j = Mth.floor(y);
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int k = Mth.floor(z);
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diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
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index 0234555978d1b13051f876a257e47bafad37b0f8..9e638f72f180ff5ef63ec3dd6cf548c53f7bd4a5 100644
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--- a/src/main/java/org/spigotmc/WatchdogThread.java
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+++ b/src/main/java/org/spigotmc/WatchdogThread.java
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@@ -22,6 +22,78 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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private volatile long lastTick;
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private volatile boolean stopping;
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+ // Paper start - log detailed tick information
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+ private void dumpEntity(net.minecraft.world.entity.Entity entity) {
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+ Logger log = Bukkit.getServer().getLogger();
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+ double posX, posY, posZ;
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+ net.minecraft.world.phys.Vec3 mot;
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+ double moveStartX, moveStartY, moveStartZ;
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+ net.minecraft.world.phys.Vec3 moveVec;
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+ synchronized (entity.posLock) {
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+ posX = entity.getX();
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+ posY = entity.getY();
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+ posZ = entity.getZ();
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+ mot = entity.getDeltaMovement();
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+ moveStartX = entity.getMoveStartX();
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+ moveStartY = entity.getMoveStartY();
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+ moveStartZ = entity.getMoveStartZ();
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+ moveVec = entity.getMoveVector();
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+ }
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+
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+ String entityType = net.minecraft.world.entity.EntityType.getKey(entity.getType()).toString();
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+ java.util.UUID entityUUID = entity.getUUID();
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+ net.minecraft.world.level.Level world = entity.level();
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+
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+ log.log(Level.SEVERE, "Ticking entity: " + entityType + ", entity class: " + entity.getClass().getName());
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+ log.log(Level.SEVERE, "Entity status: removed: " + entity.isRemoved() + ", valid: " + entity.valid + ", alive: " + entity.isAlive() + ", is passenger: " + entity.isPassenger());
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+ log.log(Level.SEVERE, "Entity UUID: " + entityUUID);
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+ log.log(Level.SEVERE, "Position: world: '" + (world == null ? "unknown world?" : world.getWorld().getName()) + "' at location (" + posX + ", " + posY + ", " + posZ + ")");
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+ log.log(Level.SEVERE, "Velocity: " + (mot == null ? "unknown velocity" : mot.toString()) + " (in blocks per tick)");
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+ log.log(Level.SEVERE, "Entity AABB: " + entity.getBoundingBox());
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+ if (moveVec != null) {
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+ log.log(Level.SEVERE, "Move call information: ");
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+ log.log(Level.SEVERE, "Start position: (" + moveStartX + ", " + moveStartY + ", " + moveStartZ + ")");
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+ log.log(Level.SEVERE, "Move vector: " + moveVec.toString());
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+ }
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+ }
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+
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+ private void dumpTickingInfo() {
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+ Logger log = Bukkit.getServer().getLogger();
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+
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+ // ticking entities
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+ for (net.minecraft.world.entity.Entity entity : net.minecraft.server.level.ServerLevel.getCurrentlyTickingEntities()) {
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+ this.dumpEntity(entity);
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+ net.minecraft.world.entity.Entity vehicle = entity.getVehicle();
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+ if (vehicle != null) {
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+ log.log(Level.SEVERE, "Detailing vehicle for above entity:");
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+ this.dumpEntity(vehicle);
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+ }
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+ }
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+
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+ // packet processors
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+ for (net.minecraft.network.PacketListener packetListener : net.minecraft.network.protocol.PacketUtils.getCurrentPacketProcessors()) {
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+ if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl) {
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+ net.minecraft.server.level.ServerPlayer player = ((net.minecraft.server.network.ServerGamePacketListenerImpl)packetListener).player;
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+ long totalPackets = net.minecraft.network.protocol.PacketUtils.getTotalProcessedPackets();
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+ if (player == null) {
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+ log.log(Level.SEVERE, "Handling packet for player connection or ticking player connection (null player): " + packetListener);
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+ log.log(Level.SEVERE, "Total packets processed on the main thread for all players: " + totalPackets);
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+ } else {
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+ this.dumpEntity(player);
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+ net.minecraft.world.entity.Entity vehicle = player.getVehicle();
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+ if (vehicle != null) {
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+ log.log(Level.SEVERE, "Detailing vehicle for above entity:");
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+ this.dumpEntity(vehicle);
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+ }
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+ log.log(Level.SEVERE, "Total packets processed on the main thread for all players: " + totalPackets);
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+ }
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+ } else {
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+ log.log(Level.SEVERE, "Handling packet for connection: " + packetListener);
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+ }
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+ }
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+ }
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+ // Paper end - log detailed tick information
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+
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private WatchdogThread(long timeoutTime, boolean restart)
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{
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super( "Paper Watchdog Thread" );
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@@ -119,6 +191,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
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log.log( Level.SEVERE, "------------------------------" );
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log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" ); // Paper
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io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.dumpAllChunkLoadInfo(isLongTimeout); // Paper - rewrite chunk system
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+ this.dumpTickingInfo(); // Paper - log detailed tick information
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WatchdogThread.dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
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log.log( Level.SEVERE, "------------------------------" );
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//
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