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spigot/CraftBukkit-Patches/0008-Async-Operation-Catching.patch
md_5 ee1fc06e35 Full patch rebuild.
2016-07-12 20:26:01 +10:00

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From 7b3f5e38e26df1d7b9da98891e19ba3a048e3869 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Tue, 25 Mar 2014 16:10:01 +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/Block.java b/src/main/java/net/minecraft/server/Block.java
index 8eebac1..a106e44 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -303,9 +303,13 @@ public class Block {
return 10;
}
- public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {}
+ public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
+ org.spigotmc.AsyncCatcher.catchOp( "block onPlace"); // Spigot
+ }
- public void remove(World world, BlockPosition blockposition, IBlockData iblockdata) {}
+ public void remove(World world, BlockPosition blockposition, IBlockData iblockdata) {
+ org.spigotmc.AsyncCatcher.catchOp( "block remove"); // Spigot
+ }
public int a(Random random) {
return 1;
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 9902065..8c5df29 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -636,6 +636,7 @@ public abstract class EntityLiving extends Entity {
}
public void addEffect(MobEffect mobeffect) {
+ org.spigotmc.AsyncCatcher.catchOp( "effect add"); // Spigot
// CraftBukkit start
if (isTickingEffects) {
effectsToProcess.add(mobeffect);
diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java
index 5e01026..80766b8 100644
--- a/src/main/java/net/minecraft/server/EntityTracker.java
+++ b/src/main/java/net/minecraft/server/EntityTracker.java
@@ -101,6 +101,7 @@ public class EntityTracker {
}
public void addEntity(Entity entity, int i, final int j, boolean flag) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity track"); // Spigot
try {
if (this.trackedEntities.b(entity.getId())) {
throw new IllegalStateException("Entity is already tracked!");
@@ -145,6 +146,7 @@ public class EntityTracker {
}
public void untrackEntity(Entity entity) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity untrack"); // Spigot
if (entity instanceof EntityPlayer) {
EntityPlayer entityplayer = (EntityPlayer) entity;
Iterator iterator = this.c.iterator();
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
index 06626b4..af32116 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -324,6 +324,7 @@ public class EntityTrackerEntry {
}
public void updatePlayer(EntityPlayer entityplayer) {
+ org.spigotmc.AsyncCatcher.catchOp( "player tracker update"); // Spigot
if (entityplayer != this.tracker) {
if (this.c(entityplayer)) {
if (!this.trackedPlayers.contains(entityplayer) && (this.e(entityplayer) || this.tracker.attachedToPlayer)) {
@@ -551,6 +552,7 @@ public class EntityTrackerEntry {
}
public void clear(EntityPlayer entityplayer) {
+ org.spigotmc.AsyncCatcher.catchOp( "player tracker clear"); // Spigot
if (this.trackedPlayers.contains(entityplayer)) {
this.trackedPlayers.remove(entityplayer);
this.tracker.c(entityplayer);
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 0c9f587..778b1c6 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -910,6 +910,7 @@ public abstract class World implements IBlockAccess {
}
public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
+ org.spigotmc.AsyncCatcher.catchOp( "entity add"); // Spigot
if (entity == null) return false;
// CraftBukkit end
int i = MathHelper.floor(entity.locX / 16.0D);
@@ -1017,6 +1018,7 @@ public abstract class World implements IBlockAccess {
}
public void removeEntity(Entity entity) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity remove"); // Spigot
entity.b(false);
entity.die();
if (entity instanceof EntityHuman) {
@@ -2474,6 +2476,7 @@ public abstract class World implements IBlockAccess {
}
public void a(Collection<Entity> collection) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity world add"); // Spigot
// CraftBukkit start
// this.entityList.addAll(collection);
Iterator iterator = collection.iterator();
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 0c49eb4..cbfc11c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -170,6 +170,7 @@ public class CraftWorld implements World {
}
public boolean unloadChunkRequest(int x, int z, boolean safe) {
+ org.spigotmc.AsyncCatcher.catchOp( "chunk unload"); // Spigot
if (safe && isChunkInUse(x, z)) {
return false;
}
@@ -183,6 +184,7 @@ public class CraftWorld implements World {
}
public boolean unloadChunk(int x, int z, boolean save, boolean safe) {
+ org.spigotmc.AsyncCatcher.catchOp( "chunk unload"); // Spigot
if (isChunkInUse(x, z)) {
return false;
}
@@ -253,6 +255,7 @@ public class CraftWorld implements World {
}
public boolean loadChunk(int x, int z, boolean generate) {
+ org.spigotmc.AsyncCatcher.catchOp( "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 bea6681..db7b6de 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -211,6 +211,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
@Override
public void kickPlayer(String message) {
+ org.spigotmc.AsyncCatcher.catchOp( "player kick"); // Spigot
if (getHandle().playerConnection == null) return;
getHandle().playerConnection.disconnect(message == null ? "" : message);
diff --git a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
index 69fcb10..3992c71 100644
--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
@@ -42,6 +42,7 @@ public final class CraftScoreboardManager implements ScoreboardManager {
}
public CraftScoreboard getNewScoreboard() {
+ org.spigotmc.AsyncCatcher.catchOp( "scoreboard creation"); // Spigot
CraftScoreboard scoreboard = new CraftScoreboard(new ScoreboardServer(server));
scoreboards.add(scoreboard);
return scoreboard;
diff --git a/src/main/java/org/spigotmc/AsyncCatcher.java b/src/main/java/org/spigotmc/AsyncCatcher.java
new file mode 100644
index 0000000..4b3aa85
--- /dev/null
+++ b/src/main/java/org/spigotmc/AsyncCatcher.java
@@ -0,0 +1,17 @@
+package org.spigotmc;
+
+import net.minecraft.server.MinecraftServer;
+
+public class AsyncCatcher
+{
+
+ public static boolean enabled = true;
+
+ public static void catchOp(String reason)
+ {
+ if ( enabled && Thread.currentThread() != MinecraftServer.getServer().primaryThread )
+ {
+ throw new IllegalStateException( "Asynchronous " + reason + "!" );
+ }
+ }
+}
--
2.7.4
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