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Merge pull request #3794 from mastermc05/v3.0

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Fix and improve async chunk load
This commit is contained in:
mikeprimm 2022-07-22 20:56:24 -05:00 committed by GitHub
commit 8f70d5fc3c
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5 changed files with 159 additions and 56 deletions
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12
DynmapCore/src/main/java/org/dynmap/common/chunk/GenericMapChunkCache.java
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@ -766,7 +766,7 @@ public abstract class GenericMapChunkCache extends MapChunkCache {
}
/**
* Read NBT data from loaded chunks - do not needs to be called from server/world
* Read NBT data from loaded chunks - do not needs to be called from server/world <p>
* Will throw {@link IllegalStateException} if not supporting
*/
public void getLoadedChunksAsync() {
@ -836,7 +836,9 @@ public abstract class GenericMapChunkCache extends MapChunkCache {
}
/**
* Prepare the chunks async
* Loads all chunks in the world asynchronously.
* <p>
* If it is not supported, it will throw {@link IllegalStateException}
*/
public void loadChunksAsync() {
getLoadedChunksAsync();
@ -923,6 +925,12 @@ public abstract class GenericMapChunkCache extends MapChunkCache {
return cnt;
}
/**
* It loads chunks from the cache or from the world, and if the chunk is not visible, it fills it with stone, ocean or
* empty chunk
* <p>
* if it's not supported, will throw {@link IllegalStateException}
*/
public void readChunksAsync() {
class SimplePair { //pair of the chunk and the data which is readed async
private final Supplier<GenericChunk> supplier;

61
bukkit-helper-118-2/src/main/java/org/dynmap/bukkit/helper/v118_2/AsyncChunkProvider118_2.java
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@ -1,31 +1,54 @@
package org.dynmap.bukkit.helper.v118_2;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.WorldServer;
import net.minecraft.world.level.chunk.Chunk;
import net.minecraft.world.level.chunk.IChunkAccess;
import net.minecraft.world.level.chunk.storage.ChunkRegionLoader;
import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.v1_18_R2.CraftServer;
import org.bukkit.craftbukkit.v1_18_R2.CraftWorld;
import org.dynmap.MapManager;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.Supplier;
/**
* The provider used to work with paper libs
* Because paper libs need java 17 we can't interact with them directly
*/
@SuppressWarnings({"JavaReflectionMemberAccess"}) //java don't know about paper
public class AsyncChunkProvider118_2 {
private final Thread ioThread;
private final Method getChunk;
private final Predicate<NBTTagCompound> ifFailed;
private final Method getAsyncSaveData;
private final Method save;
private int currTick = MinecraftServer.currentTick;
private int currChunks = 0;
AsyncChunkProvider118_2 () {
try {
Predicate<NBTTagCompound> ifFailed1 = null;
Method getChunk1 = null;
Method getChunk1 = null, getAsyncSaveData1 = null, save1 = null;
Thread ioThread1 = null;
try {
Class<?> threadClass = Class.forName("com.destroystokyo.paper.io.PaperFileIOThread");
Class<?> asyncChunkData = Arrays.stream(ChunkRegionLoader.class.getClasses())
.filter(c -> c.getSimpleName().equals("AsyncSaveData"))
.findFirst()
.orElseThrow(RuntimeException::new);
getAsyncSaveData1 = ChunkRegionLoader.class.getMethod("getAsyncSaveData", WorldServer.class, IChunkAccess.class);
save1 = ChunkRegionLoader.class.getMethod("saveChunk", WorldServer.class, IChunkAccess.class, asyncChunkData);
Class<?>[] classes = threadClass.getClasses();
Class<?> holder = Arrays.stream(classes).filter(aClass -> aClass.getSimpleName().equals("Holder")).findAny().orElseThrow(RuntimeException::new);
ioThread1 = (Thread) holder.getField("INSTANCE").get(null);
@ -35,6 +58,8 @@ public class AsyncChunkProvider118_2 {
} catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException | NoSuchMethodException e) {
e.printStackTrace();
}
getAsyncSaveData = Objects.requireNonNull(getAsyncSaveData1);
save = Objects.requireNonNull(save1);
ifFailed = Objects.requireNonNull(ifFailed1);
getChunk = Objects.requireNonNull(getChunk1);
ioThread = Objects.requireNonNull(ioThread1);
@ -57,4 +82,38 @@ public class AsyncChunkProvider118_2 {
return null;
});
}
public synchronized Supplier<NBTTagCompound> getLoadedChunk(CraftWorld world, int x, int z) {
if (!world.isChunkLoaded(x, z)) return () -> null;
Chunk c = world.getHandle().getChunkIfLoaded(x, z); //already safe async on vanilla
if ((c == null) || !c.o) return () -> null; // c.loaded
if (currTick != MinecraftServer.currentTick) {
currTick = MinecraftServer.currentTick;
currChunks = 0;
}
//prepare data synchronously
CompletableFuture<?> future = CompletableFuture.supplyAsync(() -> {
try {
return getAsyncSaveData.invoke(null, world.getHandle(), c);
} catch (IllegalAccessException | InvocationTargetException e) {
throw new RuntimeException(e);
}
}, ((CraftServer) Bukkit.getServer()).getServer());
//we shouldn't stress main thread
if (++currChunks > MapManager.mapman.getMaxChunkLoadsPerTick()) {
try {
Thread.sleep(25); //hold the lock so other threads also won't stress main thread
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
//save data asynchronously
return () -> {
try {
return (NBTTagCompound) save.invoke(null, world.getHandle(), c, future.get());
} catch (ReflectiveOperationException | ExecutionException | InterruptedException e) {
throw new RuntimeException(e);
}
};
}
}

36
bukkit-helper-118-2/src/main/java/org/dynmap/bukkit/helper/v118_2/MapChunkCache118_2.java
View File

@ -1,10 +1,12 @@
package org.dynmap.bukkit.helper.v118_2;
import net.minecraft.server.MinecraftServer;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.craftbukkit.v1_18_R2.CraftServer;
import org.bukkit.craftbukkit.v1_18_R2.CraftWorld;
import org.dynmap.DynmapChunk;
import org.dynmap.MapManager;
import org.dynmap.bukkit.helper.BukkitVersionHelper;
import org.dynmap.bukkit.helper.BukkitWorld;
import org.dynmap.common.chunk.GenericChunk;
@ -20,6 +22,7 @@ import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Supplier;
/**
@ -37,11 +40,20 @@ public class MapChunkCache118_2 extends GenericMapChunkCache {
// Load generic chunk from existing and already loaded chunk
protected GenericChunk getLoadedChunk(DynmapChunk chunk) {
return getLoadedChunk(chunk, false).get();
CraftWorld cw = (CraftWorld) w;
if (!cw.isChunkLoaded(chunk.x, chunk.z)) return null;
Chunk c = cw.getHandle().getChunkIfLoaded(chunk.x, chunk.z); //already safe async on vanilla
if ((c == null) || !c.o) return null; // c.loaded
NBTTagCompound nbt = ChunkRegionLoader.a(cw.getHandle(), c);
return nbt != null ? parseChunkFromNBT(new NBT.NBTCompound(nbt)) : null;
}
@Override
protected Supplier<GenericChunk> getLoadedChunkAsync(DynmapChunk ch) {
return getLoadedChunk(ch, true);
Supplier<NBTTagCompound> nbtSupplier = provider.getLoadedChunk((CraftWorld) w, ch.x, ch.z);
return () -> {
NBTTagCompound nbt = nbtSupplier.get();
return nbt == null ? null : parseChunkFromNBT(new NBT.NBTCompound(nbt));
};
}
@Override
@ -57,26 +69,6 @@ public class MapChunkCache118_2 extends GenericMapChunkCache {
}
}
private Supplier<GenericChunk> getLoadedChunk(DynmapChunk chunk, boolean async) {
CraftWorld cw = (CraftWorld) w;
if (!cw.isChunkLoaded(chunk.x, chunk.z)) return () -> null;
Chunk c = cw.getHandle().getChunkIfLoaded(chunk.x, chunk.z); //already safe async on vanilla
if ((c == null) || c.o) return () -> null; // c.loaded
if (async) { //the data of the chunk may change while we write, better to write it sync
CompletableFuture<NBTTagCompound> nbt = CompletableFuture.supplyAsync(() -> ChunkRegionLoader.a(cw.getHandle(), c), ((CraftServer) Bukkit.getServer()).getServer());
return () -> {
NBTTagCompound compound = nbt.join();
return compound == null ? null : parseChunkFromNBT(new NBT.NBTCompound(compound));
};
} else {
NBTTagCompound nbt = ChunkRegionLoader.a(cw.getHandle(), c);
GenericChunk genericChunk;
if (nbt != null) genericChunk = parseChunkFromNBT(new NBT.NBTCompound(nbt));
else genericChunk = null;
return () -> genericChunk;
}
}
// Load generic chunk from unloaded chunk
protected GenericChunk loadChunk(DynmapChunk chunk) {
CraftWorld cw = (CraftWorld) w;

62
bukkit-helper-119/src/main/java/org/dynmap/bukkit/helper/v119/AsyncChunkProvider119.java
View File

@ -1,31 +1,53 @@
package org.dynmap.bukkit.helper.v119;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.WorldServer;
import net.minecraft.world.level.chunk.Chunk;
import net.minecraft.world.level.chunk.IChunkAccess;
import net.minecraft.world.level.chunk.storage.ChunkRegionLoader;
import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.v1_19_R1.CraftServer;
import org.bukkit.craftbukkit.v1_19_R1.CraftWorld;
import org.dynmap.MapManager;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.function.Supplier;
/**
* The provider used to work with paper libs
* Because paper libs need java 17 we can't interact with them directly
*/
@SuppressWarnings({"JavaReflectionMemberAccess"}) //java don't know about paper
public class AsyncChunkProvider119 {
private final Thread ioThread;
private final Method getChunk;
private final Predicate<NBTTagCompound> ifFailed;
AsyncChunkProvider119 () {
private final Method getAsyncSaveData;
private final Method save;
private int currTick = MinecraftServer.currentTick;
private int currChunks = 0;
AsyncChunkProvider119() {
try {
Predicate<NBTTagCompound> ifFailed1 = null;
Method getChunk1 = null;
Method getChunk1 = null, getAsyncSaveData1 = null, save1 = null;
Thread ioThread1 = null;
try {
Class<?> threadClass = Class.forName("com.destroystokyo.paper.io.PaperFileIOThread");
Class<?> asyncChunkData = Arrays.stream(ChunkRegionLoader.class.getClasses())
.filter(c -> c.getSimpleName().equals("AsyncSaveData"))
.findFirst()
.orElseThrow(RuntimeException::new);
getAsyncSaveData1 = ChunkRegionLoader.class.getMethod("getAsyncSaveData", WorldServer.class, IChunkAccess.class);
save1 = ChunkRegionLoader.class.getMethod("saveChunk", WorldServer.class, IChunkAccess.class, asyncChunkData);
Class<?>[] classes = threadClass.getClasses();
Class<?> holder = Arrays.stream(classes).filter(aClass -> aClass.getSimpleName().equals("Holder")).findAny().orElseThrow(RuntimeException::new);
ioThread1 = (Thread) holder.getField("INSTANCE").get(null);
@ -35,6 +57,8 @@ public class AsyncChunkProvider119 {
} catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException | NoSuchMethodException e) {
e.printStackTrace();
}
getAsyncSaveData = Objects.requireNonNull(getAsyncSaveData1);
save = Objects.requireNonNull(save1);
ifFailed = Objects.requireNonNull(ifFailed1);
getChunk = Objects.requireNonNull(getChunk1);
ioThread = Objects.requireNonNull(ioThread1);
@ -57,4 +81,38 @@ public class AsyncChunkProvider119 {
return null;
});
}
public synchronized Supplier<NBTTagCompound> getLoadedChunk(CraftWorld world, int x, int z) {
if (!world.isChunkLoaded(x, z)) return () -> null;
Chunk c = world.getHandle().getChunkIfLoaded(x, z); //already safe async on vanilla
if ((c == null) || !c.o) return () -> null; // c.loaded
if (currTick != MinecraftServer.currentTick) {
currTick = MinecraftServer.currentTick;
currChunks = 0;
}
//prepare data synchronously
CompletableFuture<?> future = CompletableFuture.supplyAsync(() -> {
try {
return getAsyncSaveData.invoke(null, world.getHandle(), c);
} catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}, ((CraftServer) Bukkit.getServer()).getServer());
//we shouldn't stress main thread
if (++currChunks > MapManager.mapman.getMaxChunkLoadsPerTick()) {
try {
Thread.sleep(25); //hold the lock so other threads also won't stress main thread
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
//save data asynchronously
return () -> {
try {
return (NBTTagCompound) save.invoke(null, world.getHandle(), c, future.get());
} catch (ReflectiveOperationException | ExecutionException | InterruptedException e) {
throw new RuntimeException(e);
}
};
}
}

44
bukkit-helper-119/src/main/java/org/dynmap/bukkit/helper/v119/MapChunkCache119.java
View File

@ -1,8 +1,6 @@
package org.dynmap.bukkit.helper.v119;
import org.bukkit.Bukkit;
import org.bukkit.World;
import org.bukkit.craftbukkit.v1_19_R1.CraftServer;
import org.bukkit.craftbukkit.v1_19_R1.CraftWorld;
import org.dynmap.DynmapChunk;
import org.dynmap.bukkit.helper.BukkitVersionHelper;
@ -16,7 +14,6 @@ import net.minecraft.world.level.ChunkCoordIntPair;
import net.minecraft.world.level.chunk.storage.ChunkRegionLoader;
import net.minecraft.world.level.chunk.Chunk;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.NoSuchElementException;
@ -38,14 +35,24 @@ public class MapChunkCache119 extends GenericMapChunkCache {
}
// Load generic chunk from existing and already loaded chunk
protected GenericChunk getLoadedChunk(DynmapChunk chunk) {
return getLoadedChunk(chunk, false).get();
}
@Override
protected Supplier<GenericChunk> getLoadedChunkAsync(DynmapChunk ch) {
return getLoadedChunk(ch, true);
protected Supplier<GenericChunk> getLoadedChunkAsync(DynmapChunk chunk) {
Supplier<NBTTagCompound> supplier = provider.getLoadedChunk((CraftWorld) w, chunk.x, chunk.z);
return () -> {
NBTTagCompound nbt = supplier.get();
return nbt != null ? parseChunkFromNBT(new NBT.NBTCompound(nbt)) : null;
};
}
protected GenericChunk getLoadedChunk(DynmapChunk chunk) {
CraftWorld cw = (CraftWorld) w;
if (!cw.isChunkLoaded(chunk.x, chunk.z)) return null;
Chunk c = cw.getHandle().getChunkIfLoaded(chunk.x, chunk.z);
if (c == null || !c.o) return null; // c.loaded
NBTTagCompound nbt = ChunkRegionLoader.a(cw.getHandle(), c);
return nbt != null ? parseChunkFromNBT(new NBT.NBTCompound(nbt)) : null;
}
// Load generic chunk from unloaded chunk
@Override
protected Supplier<GenericChunk> loadChunkAsync(DynmapChunk chunk){
try {
@ -59,27 +66,6 @@ public class MapChunkCache119 extends GenericMapChunkCache {
}
}
private Supplier<GenericChunk> getLoadedChunk(DynmapChunk chunk, boolean async) {
CraftWorld cw = (CraftWorld) w;
if (!cw.isChunkLoaded(chunk.x, chunk.z)) return () -> null;
Chunk c = cw.getHandle().getChunkIfLoaded(chunk.x, chunk.z); //already safe async on vanilla
if ((c == null) || c.o) return () -> null; // c.loaded
if (async) { //the data of the chunk may change while we write, better to write it sync
CompletableFuture<NBTTagCompound> nbt = CompletableFuture.supplyAsync(() -> ChunkRegionLoader.a(cw.getHandle(), c), ((CraftServer) Bukkit.getServer()).getServer());
return () -> {
NBTTagCompound compound = nbt.join();
return compound == null ? null : parseChunkFromNBT(new NBT.NBTCompound(compound));
};
} else {
NBTTagCompound nbt = ChunkRegionLoader.a(cw.getHandle(), c);
GenericChunk genericChunk;
if (nbt != null) genericChunk = parseChunkFromNBT(new NBT.NBTCompound(nbt));
else genericChunk = null;
return () -> genericChunk;
}
}
// Load generic chunk from unloaded chunk
protected GenericChunk loadChunk(DynmapChunk chunk) {
CraftWorld cw = (CraftWorld) w;
NBTTagCompound nbt = null;