From b8b201abbbe9c86165bb5e6452f5ed65a4bcf5a7 Mon Sep 17 00:00:00 2001 From: md_5 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 6b02059..66e099f 100644 --- a/src/main/java/net/minecraft/server/Block.java +++ b/src/main/java/net/minecraft/server/Block.java @@ -309,9 +309,13 @@ 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 9973ff7..256953f 100644 --- a/src/main/java/net/minecraft/server/EntityLiving.java +++ b/src/main/java/net/minecraft/server/EntityLiving.java @@ -570,6 +570,7 @@ 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 1cc9c95..de38e80 100644 --- a/src/main/java/net/minecraft/server/EntityTracker.java +++ b/src/main/java/net/minecraft/server/EntityTracker.java @@ -94,6 +94,7 @@ public class EntityTracker { } public void addEntity(Entity entity, int i, final int j, boolean flag) { + org.spigotmc.AsyncCatcher.catchOp( "entity track"); // Spigot if (i > this.e) { i = this.e; } @@ -144,6 +145,7 @@ 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 5ef2be4..8d50e05 100644 --- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java +++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java @@ -310,6 +310,7 @@ 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)) { @@ -540,6 +541,7 @@ 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); entityplayer.d(this.tracker); diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 33edb6d..5e25f3f 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -940,6 +940,7 @@ 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); @@ -1047,6 +1048,7 @@ public abstract class World implements IBlockAccess { } public void removeEntity(Entity entity) { + org.spigotmc.AsyncCatcher.catchOp( "entity remove"); // Spigot entity.die(); if (entity instanceof EntityHuman) { this.players.remove(entity); @@ -2484,6 +2486,7 @@ public abstract class World implements IBlockAccess { } public void b(Collection 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 20357f9..7b05b6a 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -165,6 +165,7 @@ 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; } @@ -175,6 +176,7 @@ public class CraftWorld implements World { } public boolean unloadChunk(int x, int z, boolean save, boolean safe) { + org.spigotmc.AsyncCatcher.catchOp( "chunk unload"); // Spigot if (safe && isChunkInUse(x, z)) { return false; } @@ -242,6 +244,7 @@ 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 058141d..5dafb80 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -214,6 +214,7 @@ 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 197086e..fbea5db 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 + "!" ); + } + } +} -- 2.1.0