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10feee4083b26321d00b33b45c8cfac66631cd39
LeavesMC/patches/server/0126-Linear-region-file-format.patch
violetc bb617373a6 Update Paper
2024-01-19 11:09:19 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Sun, 14 Jan 2024 22:22:57 +0800
Subject: [PATCH] Linear region file format
This patch is Powered by LinearPurpur(https://github.com/StupidCraft/LinearPurpur)
diff --git a/build.gradle.kts b/build.gradle.kts
index 3f1316110dd00ae51e2bde8bd87e3b582587b92c..32977ad358c48cc17b0c56f516f74c42336eb38a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -36,6 +36,10 @@ dependencies {
alsoShade(log4jPlugins.output)
implementation("io.netty:netty-codec-haproxy:4.1.97.Final") // Paper - Add support for proxy protocol
// Paper end
+ // Leaves start - Linear format
+ implementation("com.github.luben:zstd-jni:1.5.5-11")
+ implementation("org.lz4:lz4-java:1.8.0")
+ // Leaves end - Linear format
implementation("org.apache.logging.log4j:log4j-iostreams:2.19.0") // Paper - remove exclusion
implementation("org.ow2.asm:asm-commons:9.5")
implementation("org.spongepowered:configurate-yaml:4.2.0-SNAPSHOT") // Paper - config files
diff --git a/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java b/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java
index f2c27e0ac65be4b75c1d86ef6fd45fdb538d96ac..036da95df5280e547e60d3b4641dad63ec15c224 100644
--- a/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java
+++ b/src/main/java/com/destroystokyo/paper/io/PaperFileIOThread.java
@@ -314,8 +314,8 @@ public final class PaperFileIOThread extends QueueExecutorThread {
public abstract void writeData(final int x, final int z, final CompoundTag compound) throws IOException;
public abstract CompoundTag readData(final int x, final int z) throws IOException;
- public abstract <T> T computeForRegionFile(final int chunkX, final int chunkZ, final Function<RegionFile, T> function);
- public abstract <T> T computeForRegionFileIfLoaded(final int chunkX, final int chunkZ, final Function<RegionFile, T> function);
+ public abstract <T> T computeForRegionFile(final int chunkX, final int chunkZ, final Function<top.leavesmc.leaves.region.AbstractRegionFile, T> function); // Leaves
+ public abstract <T> T computeForRegionFileIfLoaded(final int chunkX, final int chunkZ, final Function<top.leavesmc.leaves.region.AbstractRegionFile, T> function); // Leaves
public static final class InProgressWrite {
public long writeCounter;
diff --git a/src/main/java/io/papermc/paper/chunk/system/io/RegionFileIOThread.java b/src/main/java/io/papermc/paper/chunk/system/io/RegionFileIOThread.java
index 8a11e10b01fa012b2f98b1c193c53251e848f909..17057486c031708d3aab82a01031cfef426076da 100644
--- a/src/main/java/io/papermc/paper/chunk/system/io/RegionFileIOThread.java
+++ b/src/main/java/io/papermc/paper/chunk/system/io/RegionFileIOThread.java
@@ -811,7 +811,7 @@ public final class RegionFileIOThread extends PrioritisedQueueExecutorThread {
final ChunkDataController taskController) {
final ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
if (intendingToBlock) {
- return taskController.computeForRegionFile(chunkX, chunkZ, true, (final RegionFile file) -> {
+ return taskController.computeForRegionFile(chunkX, chunkZ, true, (final top.leavesmc.leaves.region.AbstractRegionFile file) -> { // Leaves
if (file == null) { // null if no regionfile exists
return Boolean.FALSE;
}
@@ -824,7 +824,7 @@ public final class RegionFileIOThread extends PrioritisedQueueExecutorThread {
return Boolean.FALSE;
} // else: it either exists or is not known, fall back to checking the loaded region file
- return taskController.computeForRegionFileIfLoaded(chunkX, chunkZ, (final RegionFile file) -> {
+ return taskController.computeForRegionFileIfLoaded(chunkX, chunkZ, (final top.leavesmc.leaves.region.AbstractRegionFile file) -> { // Leaves
if (file == null) { // null if not loaded
// not sure at this point, let the I/O thread figure it out
return Boolean.TRUE;
@@ -1126,9 +1126,9 @@ public final class RegionFileIOThread extends PrioritisedQueueExecutorThread {
return this.getCache().doesRegionFileNotExistNoIO(new ChunkPos(chunkX, chunkZ));
}
- public <T> T computeForRegionFile(final int chunkX, final int chunkZ, final boolean existingOnly, final Function<RegionFile, T> function) {
+ public <T> T computeForRegionFile(final int chunkX, final int chunkZ, final boolean existingOnly, final Function<top.leavesmc.leaves.region.AbstractRegionFile, T> function) { // Leaves
final RegionFileStorage cache = this.getCache();
- final RegionFile regionFile;
+ final top.leavesmc.leaves.region.AbstractRegionFile regionFile; // Leaves
synchronized (cache) {
try {
regionFile = cache.getRegionFile(new ChunkPos(chunkX, chunkZ), existingOnly, true);
@@ -1141,19 +1141,19 @@ public final class RegionFileIOThread extends PrioritisedQueueExecutorThread {
return function.apply(regionFile);
} finally {
if (regionFile != null) {
- regionFile.fileLock.unlock();
+ regionFile.getFileLock().unlock(); // Leaves
}
}
}
- public <T> T computeForRegionFileIfLoaded(final int chunkX, final int chunkZ, final Function<RegionFile, T> function) {
+ public <T> T computeForRegionFileIfLoaded(final int chunkX, final int chunkZ, final Function<top.leavesmc.leaves.region.AbstractRegionFile, T> function) { // Leaves
final RegionFileStorage cache = this.getCache();
- final RegionFile regionFile;
+ final top.leavesmc.leaves.region.AbstractRegionFile regionFile; // Leaves
synchronized (cache) {
regionFile = cache.getRegionFileIfLoaded(new ChunkPos(chunkX, chunkZ));
if (regionFile != null) {
- regionFile.fileLock.lock();
+ regionFile.getFileLock().lock(); // Leaves
}
}
@@ -1161,7 +1161,7 @@ public final class RegionFileIOThread extends PrioritisedQueueExecutorThread {
return function.apply(regionFile);
} finally {
if (regionFile != null) {
- regionFile.fileLock.unlock();
+ regionFile.getFileLock().unlock(); // Leaves
}
}
}
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 5dea3d1a33f107959562d64493baffc7dc6dfdd3..983a2cd560921b41bd393bd11b15f0735144d6d3 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -868,13 +868,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
// Paper start - chunk status cache "api"
public ChunkStatus getChunkStatusOnDiskIfCached(ChunkPos chunkPos) {
- net.minecraft.world.level.chunk.storage.RegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos);
+ top.leavesmc.leaves.region.AbstractRegionFile regionFile = regionFileCache.getRegionFileIfLoaded(chunkPos); // Leaves
return regionFile == null ? null : regionFile.getStatusIfCached(chunkPos.x, chunkPos.z);
}
public ChunkStatus getChunkStatusOnDisk(ChunkPos chunkPos) throws IOException {
- net.minecraft.world.level.chunk.storage.RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, true);
+ top.leavesmc.leaves.region.AbstractRegionFile regionFile = regionFileCache.getRegionFile(chunkPos, true); // Leaves
if (regionFile == null || !regionFileCache.chunkExists(chunkPos)) {
return null;
@@ -892,7 +892,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
public void updateChunkStatusOnDisk(ChunkPos chunkPos, @Nullable CompoundTag compound) throws IOException {
- net.minecraft.world.level.chunk.storage.RegionFile regionFile = regionFileCache.getRegionFile(chunkPos, false);
+ top.leavesmc.leaves.region.AbstractRegionFile regionFile = regionFileCache.getRegionFile(chunkPos, false); // Leaves
regionFile.setStatus(chunkPos.x, chunkPos.z, ChunkSerializer.getStatus(compound));
}
diff --git a/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java b/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
index f2a7cb6ebed7a4b4019a09af2a025f624f6fe9c9..c54b88834981d3a2a23c862cc54733b2dcd3a654 100644
--- a/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
+++ b/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
@@ -61,7 +61,7 @@ public class WorldUpgrader {
private volatile int skipped;
private final Reference2FloatMap<ResourceKey<Level>> progressMap = Reference2FloatMaps.synchronize(new Reference2FloatOpenHashMap());
private volatile Component status = Component.translatable("optimizeWorld.stage.counting");
- public static final Pattern REGEX = Pattern.compile("^r\\.(-?[0-9]+)\\.(-?[0-9]+)\\.mca$");
+ public static Pattern REGEX = Pattern.compile("^r\\.(-?[0-9]+)\\.(-?[0-9]+)\\.(linear | mca)$"); // Leaves
private final DimensionDataStorage overworldDataStorage;
public WorldUpgrader(LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, Registry<LevelStem> dimensionOptionsRegistry, boolean eraseCache) {
@@ -235,7 +235,7 @@ public class WorldUpgrader {
File file = this.levelStorage.getDimensionPath(world).toFile();
File file1 = new File(file, "region");
File[] afile = file1.listFiles((file2, s) -> {
- return s.endsWith(".mca");
+ return s.endsWith(".mca") || s.endsWith(".linear"); // Leaves
});
if (afile == null) {
@@ -254,7 +254,10 @@ public class WorldUpgrader {
int l = Integer.parseInt(matcher.group(2)) << 5;
try {
- RegionFile regionfile = new RegionFile(file2.toPath(), file1.toPath(), true);
+ // Leaves start
+ int linearCompression = top.leavesmc.leaves.LeavesConfig.linearCompressionLevel;
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = top.leavesmc.leaves.region.AbstractRegionFileFactory.getAbstractRegionFile(linearCompression, file2.toPath(), file1.toPath(), true);
+ // Leaves end
try {
for (int i1 = 0; i1 < 32; ++i1) {
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
index c50d317d63f5ce61788abf449ec59a542b021f50..20b347d80757a702b630d816bbac55a1bea68512 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFile.java
@@ -26,7 +26,7 @@ import net.minecraft.nbt.NbtIo; // Paper
import net.minecraft.world.level.ChunkPos;
import org.slf4j.Logger;
-public class RegionFile implements AutoCloseable {
+public class RegionFile implements AutoCloseable, top.leavesmc.leaves.region.AbstractRegionFile { // Leaves
private static final Logger LOGGER = LogUtils.getLogger();
private static final int SECTOR_BYTES = 4096;
@@ -50,6 +50,16 @@ public class RegionFile implements AutoCloseable {
public final java.util.concurrent.locks.ReentrantLock fileLock = new java.util.concurrent.locks.ReentrantLock(); // Paper
public final Path regionFile; // Paper
+ // Leaves start - Abstract getters
+ public Path getRegionFile() {
+ return this.regionFile;
+ }
+
+ public java.util.concurrent.locks.ReentrantLock getFileLock() {
+ return this.fileLock;
+ }
+ // Leaves end
+
// Paper start - try to recover from RegionFile header corruption
private static long roundToSectors(long bytes) {
long sectors = bytes >>> 12; // 4096 = 2^12
@@ -128,7 +138,7 @@ public class RegionFile implements AutoCloseable {
}
// note: only call for CHUNK regionfiles
- boolean recalculateHeader() throws IOException {
+ public boolean recalculateHeader() throws IOException { // Leaves
if (!this.canRecalcHeader) {
return false;
}
@@ -954,10 +964,10 @@ public class RegionFile implements AutoCloseable {
private static int getChunkIndex(int x, int z) {
return (x & 31) + (z & 31) * 32;
}
- synchronized boolean isOversized(int x, int z) {
+ public synchronized boolean isOversized(int x, int z) { // Leaves
return this.oversized[getChunkIndex(x, z)] == 1;
}
- synchronized void setOversized(int x, int z, boolean oversized) throws IOException {
+ public synchronized void setOversized(int x, int z, boolean oversized) throws IOException { // Leaves
final int offset = getChunkIndex(x, z);
boolean previous = this.oversized[offset] == 1;
this.oversized[offset] = (byte) (oversized ? 1 : 0);
@@ -996,7 +1006,7 @@ public class RegionFile implements AutoCloseable {
return this.regionFile.getParent().resolve(this.regionFile.getFileName().toString().replaceAll("\\.mca$", "") + "_oversized_" + x + "_" + z + ".nbt");
}
- synchronized CompoundTag getOversizedData(int x, int z) throws IOException {
+ public synchronized CompoundTag getOversizedData(int x, int z) throws IOException { // Leaves
Path file = getOversizedFile(x, z);
try (DataInputStream out = new DataInputStream(new java.io.BufferedInputStream(new InflaterInputStream(Files.newInputStream(file))))) {
return NbtIo.read((java.io.DataInput) out);
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
index 6bec4549fbcfb68a053300451e25babf8ff38e99..b25f674e68714b11a9ca2a231f470082392641c8 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
@@ -21,9 +21,14 @@ public class RegionFileStorage implements AutoCloseable {
public static final String ANVIL_EXTENSION = ".mca";
private static final int MAX_CACHE_SIZE = 256;
- public final Long2ObjectLinkedOpenHashMap<RegionFile> regionCache = new Long2ObjectLinkedOpenHashMap();
+ public final Long2ObjectLinkedOpenHashMap<top.leavesmc.leaves.region.AbstractRegionFile> regionCache = new Long2ObjectLinkedOpenHashMap(); // Leaves
private final Path folder;
private final boolean sync;
+ // Leaves start - region format
+ public final top.leavesmc.leaves.region.RegionFileFormat format;
+ public final int linearCompression;
+ public final boolean linearCrashOnBrokenSymlink;
+ // Leaves end
private final boolean isChunkData; // Paper
// Paper start - cache regionfile does not exist state
@@ -60,6 +65,11 @@ public class RegionFileStorage implements AutoCloseable {
this(directory, dsync, false);
}
RegionFileStorage(Path directory, boolean dsync, boolean isChunkData) {
+ // Leaves start
+ this.format = top.leavesmc.leaves.LeavesConfig.regionFormatName;
+ this.linearCompression = top.leavesmc.leaves.LeavesConfig.linearCompressionLevel;
+ this.linearCrashOnBrokenSymlink = top.leavesmc.leaves.LeavesConfig.linearCrashOnBrokenSymlink;
+ // Leaves end
this.isChunkData = isChunkData;
// Paper end - add isChunkData param
this.folder = directory;
@@ -70,7 +80,7 @@ public class RegionFileStorage implements AutoCloseable {
@Nullable
public static ChunkPos getRegionFileCoordinates(Path file) {
String fileName = file.getFileName().toString();
- if (!fileName.startsWith("r.") || !fileName.endsWith(".mca")) {
+ if (!fileName.startsWith("r.") || !fileName.endsWith(".mca") || !fileName.endsWith(".linear")) { // Leaves
return null;
}
@@ -90,29 +100,49 @@ public class RegionFileStorage implements AutoCloseable {
}
}
- public synchronized RegionFile getRegionFileIfLoaded(ChunkPos chunkcoordintpair) {
+ public synchronized top.leavesmc.leaves.region.AbstractRegionFile getRegionFileIfLoaded(ChunkPos chunkcoordintpair) { // Leaves
return this.regionCache.getAndMoveToFirst(ChunkPos.asLong(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()));
}
public synchronized boolean chunkExists(ChunkPos pos) throws IOException {
- RegionFile regionfile = getRegionFile(pos, true);
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = getRegionFile(pos, true); // Leaves
return regionfile != null ? regionfile.hasChunk(pos) : false;
}
- public synchronized RegionFile getRegionFile(ChunkPos chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit
+ // Leaves start
+ private void guardAgainstBrokenSymlinks(Path path) throws IOException {
+ if (!linearCrashOnBrokenSymlink) {
+ return;
+ }
+ if (this.format != top.leavesmc.leaves.region.RegionFileFormat.LINEAR) {
+ return;
+ }
+ if (!java.nio.file.Files.isSymbolicLink(path)) {
+ return;
+ }
+ Path link = java.nio.file.Files.readSymbolicLink(path);
+ if (!java.nio.file.Files.exists(link) || !java.nio.file.Files.isReadable(link)) {
+ top.leavesmc.leaves.LeavesLogger.LOGGER.log(java.util.logging.Level.SEVERE, "Linear region file {} is a broken symbolic link, crashing to prevent data loss", path);
+ net.minecraft.server.MinecraftServer.getServer().halt(false);
+ throw new IOException("Linear region file " + path + " is a broken symbolic link, crashing to prevent data loss");
+ }
+ }
+ // Leaves end
+
+ public synchronized top.leavesmc.leaves.region.AbstractRegionFile getRegionFile(ChunkPos chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit // Leaves
return this.getRegionFile(chunkcoordintpair, existingOnly, false);
}
- public synchronized RegionFile getRegionFile(ChunkPos chunkcoordintpair, boolean existingOnly, boolean lock) throws IOException {
+ public synchronized top.leavesmc.leaves.region.AbstractRegionFile getRegionFile(ChunkPos chunkcoordintpair, boolean existingOnly, boolean lock) throws IOException { // Leaves
// Paper end
long i = ChunkPos.asLong(chunkcoordintpair.getRegionX(), chunkcoordintpair.getRegionZ()); final long regionPos = i; // Paper - OBFHELPER
- RegionFile regionfile = (RegionFile) this.regionCache.getAndMoveToFirst(i);
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = this.regionCache.getAndMoveToFirst(i); // Leaves
if (regionfile != null) {
// Paper start
if (lock) {
// must be in this synchronized block
- regionfile.fileLock.lock();
+ regionfile.getFileLock().lock(); // Leaves
}
// Paper end
return regionfile;
@@ -123,28 +153,46 @@ public class RegionFileStorage implements AutoCloseable {
}
// Paper end - cache regionfile does not exist state
if (this.regionCache.size() >= io.papermc.paper.configuration.GlobalConfiguration.get().misc.regionFileCacheSize) { // Paper - configurable
- ((RegionFile) this.regionCache.removeLast()).close();
+ this.regionCache.removeLast().close(); // Leaves
}
// Paper - only create directory if not existing only - moved down
Path path = this.folder;
int j = chunkcoordintpair.getRegionX();
- Path path1 = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".mca"); // Paper - diff on change
- if (existingOnly && !java.nio.file.Files.exists(path1)) { // Paper start - cache regionfile does not exist state
- this.markNonExisting(regionPos);
- return null; // CraftBukkit
+ // Leaves start - Polyglot
+ Path path1;
+ if (existingOnly) {
+ Path anvil = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".mca");
+ Path linear = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".linear");
+ guardAgainstBrokenSymlinks(linear);
+ if (java.nio.file.Files.exists(anvil)) {
+ path1 = anvil;
+ } else if (java.nio.file.Files.exists(linear)) {
+ path1 = linear;
+ } else {
+ this.markNonExisting(regionPos);
+ return null;
+ }
+ // Leaves end
} else {
+ // Leaves start - Polyglot
+ String extension = switch (this.format) {
+ case LINEAR -> "linear";
+ default -> "mca";
+ };
+ path1 = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + "." + extension);
+ // Leaves end
+ guardAgainstBrokenSymlinks(path1); // Leaves - Crash on broken symlink
this.createRegionFile(regionPos);
}
// Paper end - cache regionfile does not exist state
FileUtil.createDirectoriesSafe(this.folder); // Paper - only create directory if not existing only - moved from above
- RegionFile regionfile1 = new RegionFile(path1, this.folder, this.sync, this.isChunkData); // Paper - allow for chunk regionfiles to regen header
-
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile1 = top.leavesmc.leaves.region.AbstractRegionFileFactory.getAbstractRegionFile(this.linearCompression, path1, this.folder, this.sync, this.isChunkData); // Paper - allow for chunk regionfiles to regen header // Leaves
this.regionCache.putAndMoveToFirst(i, regionfile1);
// Paper start
if (lock) {
// must be in this synchronized block
- regionfile1.fileLock.lock();
+ regionfile1.getFileLock().lock(); // Leaves
}
// Paper end
return regionfile1;
@@ -172,7 +220,7 @@ public class RegionFileStorage implements AutoCloseable {
}
- private static CompoundTag readOversizedChunk(RegionFile regionfile, ChunkPos chunkCoordinate) throws IOException {
+ private static CompoundTag readOversizedChunk(top.leavesmc.leaves.region.AbstractRegionFile regionfile, ChunkPos chunkCoordinate) throws IOException { // Leaves
synchronized (regionfile) {
try (DataInputStream datainputstream = regionfile.getChunkDataInputStream(chunkCoordinate)) {
CompoundTag oversizedData = regionfile.getOversizedData(chunkCoordinate.x, chunkCoordinate.z);
@@ -219,14 +267,14 @@ public class RegionFileStorage implements AutoCloseable {
@Nullable
public CompoundTag read(ChunkPos pos) throws IOException {
// CraftBukkit start - SPIGOT-5680: There's no good reason to preemptively create files on read, save that for writing
- RegionFile regionfile = this.getRegionFile(pos, true, true); // Paper
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = this.getRegionFile(pos, true, true); // Paper // Leaves
if (regionfile == null) {
return null;
}
// Paper start - Add regionfile parameter
return this.read(pos, regionfile);
}
- public CompoundTag read(ChunkPos pos, RegionFile regionfile) throws IOException {
+ public CompoundTag read(ChunkPos pos, top.leavesmc.leaves.region.AbstractRegionFile regionfile) throws IOException { // Leaves
// We add the regionfile parameter to avoid the potential deadlock (on fileLock) if we went back to obtain a regionfile
// if we decide to re-read
// Paper end
@@ -236,7 +284,7 @@ public class RegionFileStorage implements AutoCloseable {
// Paper start
if (regionfile.isOversized(pos.x, pos.z)) {
- printOversizedLog("Loading Oversized Chunk!", regionfile.regionFile, pos.x, pos.z);
+ printOversizedLog("Loading Oversized Chunk!", regionfile.getRegionFile(), pos.x, pos.z); // Leaves
return readOversizedChunk(regionfile, pos);
}
// Paper end
@@ -250,12 +298,12 @@ public class RegionFileStorage implements AutoCloseable {
if (this.isChunkData) {
ChunkPos chunkPos = ChunkSerializer.getChunkCoordinate(nbttagcompound);
if (!chunkPos.equals(pos)) {
- net.minecraft.server.MinecraftServer.LOGGER.error("Attempting to read chunk data at " + pos + " but got chunk data for " + chunkPos + " instead! Attempting regionfile recalculation for regionfile " + regionfile.regionFile.toAbsolutePath());
+ net.minecraft.server.MinecraftServer.LOGGER.error("Attempting to read chunk data at " + pos + " but got chunk data for " + chunkPos + " instead! Attempting regionfile recalculation for regionfile " + regionfile.getRegionFile().toAbsolutePath()); // Leaves
if (regionfile.recalculateHeader()) {
- regionfile.fileLock.lock(); // otherwise we will unlock twice and only lock once.
+ regionfile.getFileLock().lock(); // otherwise we will unlock twice and only lock once. // Leaves
return this.read(pos, regionfile);
}
- net.minecraft.server.MinecraftServer.LOGGER.error("Can't recalculate regionfile header, regenerating chunk " + pos + " for " + regionfile.regionFile.toAbsolutePath());
+ net.minecraft.server.MinecraftServer.LOGGER.error("Can't recalculate regionfile header, regenerating chunk " + pos + " for " + regionfile.getRegionFile().toAbsolutePath()); // Leaves
return null;
}
}
@@ -289,13 +337,13 @@ public class RegionFileStorage implements AutoCloseable {
return nbttagcompound;
} finally { // Paper start
- regionfile.fileLock.unlock();
+ regionfile.getFileLock().unlock(); // Leaves
} // Paper end
}
public void scanChunk(ChunkPos chunkPos, StreamTagVisitor scanner) throws IOException {
// CraftBukkit start - SPIGOT-5680: There's no good reason to preemptively create files on read, save that for writing
- RegionFile regionfile = this.getRegionFile(chunkPos, true);
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = this.getRegionFile(chunkPos, true); // Leaves
if (regionfile == null) {
return;
}
@@ -325,7 +373,7 @@ public class RegionFileStorage implements AutoCloseable {
}
protected void write(ChunkPos pos, @Nullable CompoundTag nbt) throws IOException {
- RegionFile regionfile = this.getRegionFile(pos, nbt == null, true); // CraftBukkit // Paper // Paper start - rewrite chunk system
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = this.getRegionFile(pos, nbt == null, true); // CraftBukkit // Paper // Paper start - rewrite chunk system // Leaves
if (nbt == null && regionfile == null) {
return;
}
@@ -375,7 +423,7 @@ public class RegionFileStorage implements AutoCloseable {
}
// Paper end
} finally { // Paper start
- regionfile.fileLock.unlock();
+ regionfile.getFileLock().unlock(); // Leaves
} // Paper end
}
@@ -384,7 +432,7 @@ public class RegionFileStorage implements AutoCloseable {
ObjectIterator objectiterator = this.regionCache.values().iterator();
while (objectiterator.hasNext()) {
- RegionFile regionfile = (RegionFile) objectiterator.next();
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = (top.leavesmc.leaves.region.AbstractRegionFile) objectiterator.next(); // Leaves
try {
regionfile.close();
@@ -400,7 +448,7 @@ public class RegionFileStorage implements AutoCloseable {
ObjectIterator objectiterator = this.regionCache.values().iterator();
while (objectiterator.hasNext()) {
- RegionFile regionfile = (RegionFile) objectiterator.next();
+ top.leavesmc.leaves.region.AbstractRegionFile regionfile = (top.leavesmc.leaves.region.AbstractRegionFile) objectiterator.next(); // Leaves
regionfile.flush();
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 2916fb49c69daaa660fc7f53821e8be766226345..433bbdb42ba5a7b4454eca2895dbf9dbf01086d5 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -567,7 +567,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
return true;
}
- net.minecraft.world.level.chunk.storage.RegionFile file;
+ top.leavesmc.leaves.region.AbstractRegionFile file; // Leaves
try {
file = world.getChunkSource().chunkMap.regionFileCache.getRegionFile(chunkPos, false);
} catch (java.io.IOException ex) {
diff --git a/src/main/java/top/leavesmc/leaves/region/AbstractRegionFile.java b/src/main/java/top/leavesmc/leaves/region/AbstractRegionFile.java
new file mode 100644
index 0000000000000000000000000000000000000000..835b6d3726eda2573f616463d744cb5f6233e01c
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/region/AbstractRegionFile.java
@@ -0,0 +1,45 @@
+package top.leavesmc.leaves.region;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.chunk.ChunkStatus;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.concurrent.locks.ReentrantLock;
+
+public interface AbstractRegionFile {
+
+ void flush() throws IOException;
+
+ void clear(ChunkPos pos) throws IOException;
+
+ void close() throws IOException;
+
+ void setStatus(int x, int z, ChunkStatus status);
+
+ void setOversized(int x, int z, boolean b) throws IOException;
+
+ boolean hasChunk(ChunkPos pos);
+
+ boolean doesChunkExist(ChunkPos pos) throws Exception;
+
+ boolean isOversized(int x, int z);
+
+ boolean recalculateHeader() throws IOException;
+
+ DataOutputStream getChunkDataOutputStream(ChunkPos pos) throws IOException;
+
+ DataInputStream getChunkDataInputStream(ChunkPos pos) throws IOException;
+
+ CompoundTag getOversizedData(int x, int z) throws IOException;
+
+ ChunkStatus getStatusIfCached(int x, int z);
+
+ ReentrantLock getFileLock();
+
+ Path getRegionFile();
+}
+
diff --git a/src/main/java/top/leavesmc/leaves/region/AbstractRegionFileFactory.java b/src/main/java/top/leavesmc/leaves/region/AbstractRegionFileFactory.java
new file mode 100644
index 0000000000000000000000000000000000000000..980744f9b620a19fede7a6c7ce341bf5275a9b6a
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/region/AbstractRegionFileFactory.java
@@ -0,0 +1,30 @@
+package top.leavesmc.leaves.region;
+
+import net.minecraft.world.level.chunk.storage.RegionFile;
+import net.minecraft.world.level.chunk.storage.RegionFileVersion;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+public class AbstractRegionFileFactory {
+
+ public static AbstractRegionFile getAbstractRegionFile(int linearCompression, Path file, Path directory, boolean dsync) throws IOException {
+ return getAbstractRegionFile(linearCompression, file, directory, RegionFileVersion.VERSION_DEFLATE, dsync);
+ }
+
+ public static AbstractRegionFile getAbstractRegionFile(int linearCompression, Path file, Path directory, boolean dsync, boolean canRecalcHeader) throws IOException {
+ return getAbstractRegionFile(linearCompression, file, directory, RegionFileVersion.VERSION_DEFLATE, dsync, canRecalcHeader);
+ }
+
+ public static AbstractRegionFile getAbstractRegionFile(int linearCompression, Path file, Path directory, RegionFileVersion outputChunkStreamVersion, boolean dsync) throws IOException {
+ return getAbstractRegionFile(linearCompression, file, directory, outputChunkStreamVersion, dsync, false);
+ }
+
+ public static AbstractRegionFile getAbstractRegionFile(int linearCompression, Path file, Path directory, RegionFileVersion outputChunkStreamVersion, boolean dsync, boolean canRecalcHeader) throws IOException {
+ if (file.toString().endsWith(".linear")) {
+ return new LinearRegionFile(file, linearCompression);
+ } else {
+ return new RegionFile(file, directory, outputChunkStreamVersion, dsync, canRecalcHeader);
+ }
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/region/LinearRegionFile.java b/src/main/java/top/leavesmc/leaves/region/LinearRegionFile.java
new file mode 100644
index 0000000000000000000000000000000000000000..072495e6c0c08a3239faab0fb6ebb28451039694
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/region/LinearRegionFile.java
@@ -0,0 +1,328 @@
+package top.leavesmc.leaves.region;
+
+import com.github.luben.zstd.ZstdInputStream;
+import com.github.luben.zstd.ZstdOutputStream;
+import com.mojang.logging.LogUtils;
+import net.jpountz.lz4.LZ4Compressor;
+import net.jpountz.lz4.LZ4Factory;
+import net.jpountz.lz4.LZ4FastDecompressor;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.chunk.ChunkStatus;
+import org.slf4j.Logger;
+
+import javax.annotation.Nullable;
+import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.locks.ReentrantLock;
+
+// Powered by LinearPurpur(https://github.com/StupidCraft/LinearPurpur)
+public class LinearRegionFile implements AbstractRegionFile, AutoCloseable {
+
+ private static final long SUPERBLOCK = -4323716122432332390L;
+ private static final byte VERSION = 2;
+ private static final int HEADER_SIZE = 32;
+ private static final int FOOTER_SIZE = 8;
+ private static final Logger LOGGER = LogUtils.getLogger();
+ private static final List<Byte> SUPPORTED_VERSIONS = Arrays.asList((byte) 1, (byte) 2);
+ private static final LinearRegionFileFlusher linearRegionFileFlusher = new LinearRegionFileFlusher();
+
+ private final byte[][] buffer = new byte[1024][];
+ private final int[] bufferUncompressedSize = new int[1024];
+
+ private final int[] chunkTimestamps = new int[1024];
+ private final ChunkStatus[] statuses = new ChunkStatus[1024];
+
+ private final LZ4Compressor compressor;
+ private final LZ4FastDecompressor decompressor;
+
+ public final ReentrantLock fileLock = new ReentrantLock(true);
+ private final int compressionLevel;
+
+ private final AtomicBoolean markedToSave = new AtomicBoolean(false);
+ public boolean closed = false;
+ public Path path;
+
+
+ public LinearRegionFile(Path file, int compression) throws IOException {
+ this.path = file;
+ this.compressionLevel = compression;
+ this.compressor = LZ4Factory.fastestInstance().fastCompressor();
+ this.decompressor = LZ4Factory.fastestInstance().fastDecompressor();
+
+ File regionFile = new File(this.path.toString());
+
+ Arrays.fill(this.bufferUncompressedSize, 0);
+
+ if (!regionFile.canRead()) return;
+
+ try (FileInputStream fileStream = new FileInputStream(regionFile);
+ DataInputStream rawDataStream = new DataInputStream(fileStream)) {
+
+ long superBlock = rawDataStream.readLong();
+ if (superBlock != SUPERBLOCK) {
+ throw new RuntimeException("Invalid superblock: " + superBlock + " in " + file);
+ }
+
+ byte version = rawDataStream.readByte();
+ if (!SUPPORTED_VERSIONS.contains(version)) {
+ throw new RuntimeException("Invalid version: " + version + " in " + file);
+ }
+
+ // Skip newestTimestamp (Long) + Compression level (Byte) + Chunk count (Short): Unused.
+ rawDataStream.skipBytes(11);
+
+ int dataCount = rawDataStream.readInt();
+ long fileLength = file.toFile().length();
+ if (fileLength != HEADER_SIZE + dataCount + FOOTER_SIZE) {
+ throw new IOException("Invalid file length: " + this.path + " " + fileLength + " " + (HEADER_SIZE + dataCount + FOOTER_SIZE));
+ }
+
+ rawDataStream.skipBytes(8); // Skip data hash (Long): Unused.
+
+ byte[] rawCompressed = new byte[dataCount];
+ rawDataStream.readFully(rawCompressed, 0, dataCount);
+
+ superBlock = rawDataStream.readLong();
+ if (superBlock != SUPERBLOCK) {
+ throw new IOException("Footer superblock invalid " + this.path);
+ }
+
+ try (DataInputStream dataStream = new DataInputStream(new ZstdInputStream(new ByteArrayInputStream(rawCompressed)))) {
+ int[] starts = new int[1024];
+ for (int i = 0; i < 1024; i++) {
+ starts[i] = dataStream.readInt();
+ dataStream.skipBytes(4); // Skip timestamps (Int): Unused.
+ }
+
+ for (int i = 0; i < 1024; i++) {
+ if (starts[i] > 0) {
+ int size = starts[i];
+ byte[] b = new byte[size];
+ dataStream.readFully(b, 0, size);
+
+ int maxCompressedLength = this.compressor.maxCompressedLength(size);
+ byte[] compressed = new byte[maxCompressedLength];
+ int compressedLength = this.compressor.compress(b, 0, size, compressed, 0, maxCompressedLength);
+ b = new byte[compressedLength];
+ System.arraycopy(compressed, 0, b, 0, compressedLength);
+
+ this.buffer[i] = b;
+ this.bufferUncompressedSize[i] = size;
+ }
+ }
+ }
+ }
+ }
+
+ public Path getRegionFile() {
+ return this.path;
+ }
+
+ public ReentrantLock getFileLock() {
+ return this.fileLock;
+ }
+
+ public void flush() throws IOException {
+ if (isMarkedToSave()) flushWrapper(); // sync
+ }
+
+ private void markToSave() {
+ linearRegionFileFlusher.scheduleSave(this);
+ markedToSave.set(true);
+ }
+
+ public boolean isMarkedToSave() {
+ return markedToSave.getAndSet(false);
+ }
+
+ public void flushWrapper() {
+ try {
+ save();
+ } catch (IOException e) {
+ LOGGER.error("Failed to flush region file " + path.toAbsolutePath(), e);
+ }
+ }
+
+ public boolean doesChunkExist(ChunkPos pos) throws Exception {
+ throw new Exception("doesChunkExist is a stub");
+ }
+
+ private synchronized void save() throws IOException {
+ long timestamp = getTimestamp();
+ short chunkCount = 0;
+
+ File tempFile = new File(path.toString() + ".tmp");
+
+ try (FileOutputStream fileStream = new FileOutputStream(tempFile);
+ ByteArrayOutputStream zstdByteArray = new ByteArrayOutputStream();
+ ZstdOutputStream zstdStream = new ZstdOutputStream(zstdByteArray, this.compressionLevel);
+ DataOutputStream zstdDataStream = new DataOutputStream(zstdStream);
+ DataOutputStream dataStream = new DataOutputStream(fileStream)) {
+
+ dataStream.writeLong(SUPERBLOCK);
+ dataStream.writeByte(VERSION);
+ dataStream.writeLong(timestamp);
+ dataStream.writeByte(this.compressionLevel);
+
+ ArrayList<byte[]> byteBuffers = new ArrayList<>();
+ for (int i = 0; i < 1024; i++) {
+ if (this.bufferUncompressedSize[i] != 0) {
+ chunkCount += 1;
+ byte[] content = new byte[bufferUncompressedSize[i]];
+ this.decompressor.decompress(buffer[i], 0, content, 0, bufferUncompressedSize[i]);
+
+ byteBuffers.add(content);
+ } else {
+ byteBuffers.add(null);
+ }
+ }
+ for (int i = 0; i < 1024; i++) {
+ zstdDataStream.writeInt(this.bufferUncompressedSize[i]); // Write uncompressed size
+ zstdDataStream.writeInt(this.chunkTimestamps[i]); // Write timestamp
+ }
+ for (int i = 0; i < 1024; i++) {
+ if (byteBuffers.get(i) != null) {
+ zstdDataStream.write(byteBuffers.get(i), 0, byteBuffers.get(i).length);
+ }
+ }
+ zstdDataStream.close();
+
+ dataStream.writeShort(chunkCount);
+
+ byte[] compressed = zstdByteArray.toByteArray();
+
+ dataStream.writeInt(compressed.length);
+ dataStream.writeLong(0);
+
+ dataStream.write(compressed, 0, compressed.length);
+ dataStream.writeLong(SUPERBLOCK);
+
+ dataStream.flush();
+ fileStream.getFD().sync();
+ fileStream.getChannel().force(true); // Ensure atomicity on Btrfs
+ }
+ Files.move(tempFile.toPath(), this.path, StandardCopyOption.REPLACE_EXISTING);
+ }
+
+
+ public void setStatus(int x, int z, ChunkStatus status) {
+ this.statuses[getChunkIndex(x, z)] = status;
+ }
+
+ public synchronized void write(ChunkPos pos, ByteBuffer buffer) {
+ try {
+ byte[] b = toByteArray(new ByteArrayInputStream(buffer.array()));
+ int uncompressedSize = b.length;
+
+ int maxCompressedLength = this.compressor.maxCompressedLength(b.length);
+ byte[] compressed = new byte[maxCompressedLength];
+ int compressedLength = this.compressor.compress(b, 0, b.length, compressed, 0, maxCompressedLength);
+ b = new byte[compressedLength];
+ System.arraycopy(compressed, 0, b, 0, compressedLength);
+
+ int index = getChunkIndex(pos.x, pos.z);
+ this.buffer[index] = b;
+ this.chunkTimestamps[index] = getTimestamp();
+ this.bufferUncompressedSize[getChunkIndex(pos.x, pos.z)] = uncompressedSize;
+ } catch (IOException e) {
+ LOGGER.error("Chunk write IOException " + e + " " + this.path);
+ }
+ markToSave();
+ }
+
+ public DataOutputStream getChunkDataOutputStream(ChunkPos pos) {
+ return new DataOutputStream(new BufferedOutputStream(new ChunkBuffer(pos)));
+ }
+
+ private class ChunkBuffer extends ByteArrayOutputStream {
+
+ private final ChunkPos pos;
+
+ public ChunkBuffer(ChunkPos chunkcoordintpair) {
+ super();
+ this.pos = chunkcoordintpair;
+ }
+
+ public void close() {
+ ByteBuffer bytebuffer = ByteBuffer.wrap(this.buf, 0, this.count);
+ LinearRegionFile.this.write(this.pos, bytebuffer);
+ }
+ }
+
+ private byte[] toByteArray(InputStream in) throws IOException {
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ byte[] tempBuffer = new byte[4096];
+
+ int length;
+ while ((length = in.read(tempBuffer)) >= 0) {
+ out.write(tempBuffer, 0, length);
+ }
+
+ return out.toByteArray();
+ }
+
+ @Nullable
+ public synchronized DataInputStream getChunkDataInputStream(ChunkPos pos) {
+ if (this.bufferUncompressedSize[getChunkIndex(pos.x, pos.z)] != 0) {
+ byte[] content = new byte[bufferUncompressedSize[getChunkIndex(pos.x, pos.z)]];
+ this.decompressor.decompress(this.buffer[getChunkIndex(pos.x, pos.z)], 0, content, 0, bufferUncompressedSize[getChunkIndex(pos.x, pos.z)]);
+ return new DataInputStream(new ByteArrayInputStream(content));
+ }
+ return null;
+ }
+
+ public ChunkStatus getStatusIfCached(int x, int z) {
+ return this.statuses[getChunkIndex(x, z)];
+ }
+
+ public void clear(ChunkPos pos) {
+ int i = getChunkIndex(pos.x, pos.z);
+ this.buffer[i] = null;
+ this.bufferUncompressedSize[i] = 0;
+ this.chunkTimestamps[i] = getTimestamp();
+ markToSave();
+ }
+
+ public boolean hasChunk(ChunkPos pos) {
+ return this.bufferUncompressedSize[getChunkIndex(pos.x, pos.z)] > 0;
+ }
+
+ public void close() throws IOException {
+ if (closed) {
+ return;
+ }
+ closed = true;
+ flush(); // sync
+ }
+
+ private static int getChunkIndex(int x, int z) {
+ return (x & 31) + ((z & 31) << 5);
+ }
+
+ private static int getTimestamp() {
+ return (int) (System.currentTimeMillis() / 1000L);
+ }
+
+ public boolean recalculateHeader() {
+ return false;
+ }
+
+ public void setOversized(int x, int z, boolean something) {
+ }
+
+ public CompoundTag getOversizedData(int x, int z) throws IOException {
+ throw new IOException("getOversizedData is a stub " + this.path);
+ }
+
+ public boolean isOversized(int x, int z) {
+ return false;
+ }
+}
diff --git a/src/main/java/top/leavesmc/leaves/region/LinearRegionFileFlusher.java b/src/main/java/top/leavesmc/leaves/region/LinearRegionFileFlusher.java
new file mode 100644
index 0000000000000000000000000000000000000000..f9f70c156ef3dc4e79acd4ce9643f310ac081008
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/region/LinearRegionFileFlusher.java
@@ -0,0 +1,52 @@
+package top.leavesmc.leaves.region;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+
+import java.util.Queue;
+import java.util.concurrent.*;
+
+import org.bukkit.Bukkit;
+import top.leavesmc.leaves.LeavesConfig;
+
+// Powered by LinearPurpur(https://github.com/StupidCraft/LinearPurpur)
+public class LinearRegionFileFlusher {
+ private final Queue<LinearRegionFile> savingQueue = new LinkedBlockingQueue<>();
+ private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(
+ new ThreadFactoryBuilder()
+ .setNameFormat("linear-flush-scheduler")
+ .build()
+ );
+ private final ExecutorService executor = Executors.newFixedThreadPool(
+ LeavesConfig.getLinearFlushThreads(),
+ new ThreadFactoryBuilder()
+ .setNameFormat("linear-flusher-%d")
+ .build()
+ );
+
+ public LinearRegionFileFlusher() {
+ Bukkit.getLogger().info("Using " + LeavesConfig.getLinearFlushThreads() + " threads for linear region flushing.");
+ scheduler.scheduleAtFixedRate(this::pollAndFlush, 0L, LeavesConfig.getLinearFlushThreads(), TimeUnit.SECONDS);
+ }
+
+ public void scheduleSave(LinearRegionFile regionFile) {
+ if (savingQueue.contains(regionFile)) {
+ return;
+ }
+ savingQueue.add(regionFile);
+ }
+
+ private void pollAndFlush() {
+ while (!savingQueue.isEmpty()) {
+ LinearRegionFile regionFile = savingQueue.poll();
+ if (!regionFile.closed && regionFile.isMarkedToSave()) {
+ executor.execute(regionFile::flushWrapper);
+ }
+ }
+ }
+
+ public void shutdown() {
+ executor.shutdown();
+ scheduler.shutdown();
+ }
+}
+
diff --git a/src/main/java/top/leavesmc/leaves/region/RegionFileFormat.java b/src/main/java/top/leavesmc/leaves/region/RegionFileFormat.java
new file mode 100644
index 0000000000000000000000000000000000000000..a9a8e79557fac57e29b64e7e55fc04b80ad11ae3
--- /dev/null
+++ b/src/main/java/top/leavesmc/leaves/region/RegionFileFormat.java
@@ -0,0 +1,14 @@
+package top.leavesmc.leaves.region;
+
+public enum RegionFileFormat {
+ ANVIL, LINEAR, INVALID;
+
+ public static RegionFileFormat fromString(String format) {
+ for (RegionFileFormat regionFileFormat : values()) {
+ if (regionFileFormat.name().equalsIgnoreCase(format)) {
+ return regionFileFormat;
+ }
+ }
+ return RegionFileFormat.INVALID;
+ }
+}
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