Paper/CraftBukkit-Patches/0012-Async-Operation-Catching.patch

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From 2ca037f07251ec82625905573ff1926563aacbdc Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Thu, 7 Mar 2013 20:12:46 +1100
Subject: [PATCH] Async Operation Catching
Catch and throw an exception when a potentially unsafe operation occurs on a thread other than the main server thread.
diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java
2013-07-02 05:03:56 +02:00
index a8e45dd..7f23f71 100644
--- a/src/main/java/net/minecraft/server/EntityTracker.java
+++ b/src/main/java/net/minecraft/server/EntityTracker.java
2013-07-02 05:03:56 +02:00
@@ -87,6 +87,7 @@ public class EntityTracker {
}
public void addEntity(Entity entity, int i, int j, boolean flag) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity track!"); // Spigot
if (i > this.d) {
i = this.d;
}
2013-07-02 05:03:56 +02:00
@@ -122,6 +123,7 @@ public class EntityTracker {
}
public void untrackEntity(Entity entity) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity untrack!"); // Spigot
if (entity instanceof EntityPlayer) {
EntityPlayer entityplayer = (EntityPlayer) entity;
Iterator iterator = this.b.iterator();
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
2013-07-02 05:03:56 +02:00
index e58af63..edd2460 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
2013-07-02 05:03:56 +02:00
@@ -292,6 +292,7 @@ public class EntityTrackerEntry {
}
public void updatePlayer(EntityPlayer entityplayer) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player tracker update!"); // Spigot
if (entityplayer != this.tracker) {
double d0 = entityplayer.locX - (double) (this.xLoc / 32);
double d1 = entityplayer.locZ - (double) (this.zLoc / 32);
2013-07-02 05:03:56 +02:00
@@ -501,6 +502,7 @@ public class EntityTrackerEntry {
}
public void clear(EntityPlayer entityplayer) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player tracker clear!"); // Spigot
if (this.trackedPlayers.contains(entityplayer)) {
this.trackedPlayers.remove(entityplayer);
entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id));
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
2013-07-02 05:03:56 +02:00
index 3e7c493..04fa7d6 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
2013-07-02 05:03:56 +02:00
@@ -925,6 +925,7 @@ public abstract class World implements IBlockAccess {
}
public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity add!"); // Spigot
if (entity == null) return false;
// CraftBukkit end
2013-07-02 05:03:56 +02:00
@@ -1031,6 +1032,7 @@ public abstract class World implements IBlockAccess {
}
public void removeEntity(Entity entity) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity remove!"); // Spigot
entity.die();
if (entity instanceof EntityHuman) {
this.players.remove(entity);
2013-07-02 05:03:56 +02:00
@@ -2448,6 +2450,7 @@ public abstract class World implements IBlockAccess {
2013-05-01 08:39:55 +02:00
}
public void a(List list) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity world add!"); // Spigot
// CraftBukkit start
Entity entity = null;
for (int i = 0; i < list.size(); ++i) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
2013-07-02 05:03:56 +02:00
index 4c16040..8508d22 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
2013-06-20 10:41:59 +02:00
@@ -160,6 +160,7 @@ public class CraftWorld implements World {
}
public boolean unloadChunkRequest(int x, int z, boolean safe) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk unload!"); // Spigot
if (safe && isChunkInUse(x, z)) {
return false;
}
2013-06-20 10:41:59 +02:00
@@ -170,6 +171,7 @@ public class CraftWorld implements World {
}
public boolean unloadChunk(int x, int z, boolean save, boolean safe) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk unload!"); // Spigot
if (safe && isChunkInUse(x, z)) {
return false;
}
2013-06-20 10:41:59 +02:00
@@ -237,6 +239,7 @@ public class CraftWorld implements World {
}
public boolean loadChunk(int x, int z, boolean generate) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk load!"); // Spigot
chunkLoadCount++;
if (generate) {
// Use the default variant of loadChunk when generate == true.
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5628d84..5bf0e3c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -215,6 +215,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
}
public void kickPlayer(String message) {
+ if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player kick!"); // Spigot
if (getHandle().playerConnection == null) return;
getHandle().playerConnection.disconnect(message == null ? "" : message);
--
1.8.1.2