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spigot/CraftBukkit-Patches/0007-Async-Operation-Catching.patch
md_5 e6eb36f2a1 Rebuild patches
2019-03-17 11:48:53 +11:00

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From d3c4c7320b4138a64054e9c31d819748510c5c8f 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 15256071e..e89ba3e41 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -373,10 +373,14 @@ public class Block implements IMaterial {
}
@Deprecated
- public void onPlace(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1) {}
+ public void onPlace(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1) {
+ org.spigotmc.AsyncCatcher.catchOp( "block onPlace"); // Spigot
+ }
@Deprecated
- public void remove(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1, boolean flag) {}
+ public void remove(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1, boolean flag) {
+ org.spigotmc.AsyncCatcher.catchOp( "block remove"); // Spigot
+ }
public int a(IBlockData iblockdata, Random random) {
return 1;
diff --git a/src/main/java/net/minecraft/server/CraftingManager.java b/src/main/java/net/minecraft/server/CraftingManager.java
index 720684bd7..3186209f3 100644
--- a/src/main/java/net/minecraft/server/CraftingManager.java
+++ b/src/main/java/net/minecraft/server/CraftingManager.java
@@ -81,6 +81,7 @@ public class CraftingManager implements IResourcePackListener {
}
public void a(IRecipe irecipe) {
+ org.spigotmc.AsyncCatcher.catchOp("Recipe Add"); // Spigot
if (this.recipes.containsKey(irecipe.getKey())) {
throw new IllegalStateException("Duplicate recipe ignored with ID " + irecipe.getKey());
} else {
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 064d0c86c..6843b0cb8 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -725,6 +725,7 @@ public abstract class EntityLiving extends Entity {
}
public boolean addEffect(MobEffect mobeffect, EntityPotionEffectEvent.Cause cause) {
+ org.spigotmc.AsyncCatcher.catchOp( "effect add"); // Spigot
if (isTickingEffects) {
effectsToProcess.add(new ProcessableEffect(mobeffect, cause));
return true;
diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java
index 1646a56f5..9237ae20e 100644
--- a/src/main/java/net/minecraft/server/EntityTracker.java
+++ b/src/main/java/net/minecraft/server/EntityTracker.java
@@ -105,6 +105,7 @@ public class EntityTracker {
}
public void addEntity(Entity entity, int i, 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!");
@@ -142,6 +143,7 @@ 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 40b7d8d06..d00401ce1 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)) {
@@ -567,6 +568,7 @@ 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 1e358dc93..9fb7ae9db 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -857,6 +857,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
+ org.spigotmc.AsyncCatcher.catchOp( "entity add"); // Spigot
if (!CraftEventFactory.doEntityAddEventCalling(this, entity, spawnReason)) {
return false;
}
@@ -904,6 +905,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public void kill(Entity entity) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity kill"); // Spigot
if (entity.isVehicle()) {
entity.ejectPassengers();
}
@@ -922,6 +924,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public void removeEntity(Entity entity) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity remove"); // Spigot
entity.b(false);
entity.die();
if (entity instanceof EntityHuman) {
@@ -2139,6 +2142,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public void a(Stream<Entity> stream) {
+ org.spigotmc.AsyncCatcher.catchOp( "entity world add"); // Spigot
stream.forEach((entity) -> {
this.entityList.add(entity);
this.b(entity);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 9da8141df..ae7ee85a6 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -680,6 +680,7 @@ public final class CraftServer implements Server {
public boolean dispatchCommand(CommandSender sender, String commandLine) {
Validate.notNull(sender, "Sender cannot be null");
Validate.notNull(commandLine, "CommandLine cannot be null");
+ org.spigotmc.AsyncCatcher.catchOp( "command dispatch" ); // Spigot
if (commandMap.dispatch(sender, commandLine)) {
return true;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index f5fce00ca..88182d21e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -190,6 +190,7 @@ 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;
}
@@ -203,6 +204,7 @@ 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;
}
@@ -221,6 +223,7 @@ public class CraftWorld implements World {
}
public boolean regenerateChunk(int x, int z) {
+ org.spigotmc.AsyncCatcher.catchOp( "chunk regenerate" ); // Spigot
if (!unloadChunk0(x, z, false)) {
return false;
}
@@ -266,6 +269,7 @@ public class CraftWorld implements World {
}
public boolean loadChunk(int x, int z, boolean generate) {
+ org.spigotmc.AsyncCatcher.catchOp( "chunk load"); // Spigot
chunkLoadCount++;
return world.getChunkProvider().getChunkAt(x, z, true, generate) != null;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 73c2c7b07..234f41af8 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -291,6 +291,7 @@ 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 cac87d306..9cce899f5 100644
--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
@@ -43,6 +43,7 @@ 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/bukkit/craftbukkit/util/ServerShutdownThread.java b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
index ae3481ba8..a0cdd2317 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/ServerShutdownThread.java
@@ -13,6 +13,7 @@ public class ServerShutdownThread extends Thread {
@Override
public void run() {
try {
+ org.spigotmc.AsyncCatcher.enabled = false; // Spigot
server.stop();
} catch (ExceptionWorldConflict ex) {
ex.printStackTrace();
diff --git a/src/main/java/org/spigotmc/AsyncCatcher.java b/src/main/java/org/spigotmc/AsyncCatcher.java
new file mode 100644
index 000000000..4b3aa85c9
--- /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 + "!" );
+ }
+ }
+}
--
2.19.1
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