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package com.keuin.kbackupfabric.worker;
import com.keuin.kbackupfabric.data.BackupMetadata;
import com.keuin.kbackupfabric.util.PrintUtil;
import com.keuin.kbackupfabric.util.ZipUtil;
import com.keuin.kbackupfabric.util.ZipUtilException;
import com.mojang.brigadier.context.CommandContext;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.command.ServerCommandSource;
import net.minecraft.world.World;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static com.keuin.kbackupfabric.util.BackupFilesystemUtil.*;
import static com.keuin.kbackupfabric.util.PrintUtil.debug;
import static com.keuin.kbackupfabric.util.PrintUtil.msgInfo;
/**
* The backup worker
* To invoke this worker, simply call invoke() method.
*/
public final class BackupWorker implements Runnable {
private final CommandContext<ServerCommandSource> context;
private final String backupName;
private final Map<World, Boolean> oldWorldsSavingDisabled;
private final BackupMetadata backupMetadata;
private final long startTime;
private BackupWorker(CommandContext<ServerCommandSource> context, String backupName, Map<World, Boolean> oldWorldsSavingDisabled, BackupMetadata backupMetadata, long startTime) {
this.context = context;
this.backupName = backupName;
this.oldWorldsSavingDisabled = oldWorldsSavingDisabled;
this.backupMetadata = backupMetadata;
this.startTime = startTime;
}
public static void invoke(CommandContext<ServerCommandSource> context, String backupName, BackupMetadata backupMetadata) {
//// Save world, save old autosave configs
PrintUtil.msgInfo(context, String.format("Making backup %s, please wait ...", backupName), true);
Map<World, Boolean> oldWorldsSavingDisabled = new HashMap<>(); // old switch stat
// Get server
MinecraftServer server = context.getSource().getMinecraftServer();
// Save old autosave switch stat temporally
server.getWorlds().forEach(world -> {
oldWorldsSavingDisabled.put(world, world.savingDisabled);
world.savingDisabled = true;
});
// Force to save all player data and worlds
debug("Saving players ...");
server.getPlayerManager().saveAllPlayerData();
debug("Saving worlds ...");
server.save(true, true, true);
// Start threaded worker
BackupWorker worker = new BackupWorker(context, backupName, oldWorldsSavingDisabled, backupMetadata, System.currentTimeMillis());
Thread workerThread = new Thread(worker, "BackupWorker");
workerThread.start();
}
@Override
public void run() {
String backupSaveDirectory = "";
MinecraftServer server = context.getSource().getMinecraftServer();
try {
//// Do our main backup logic
// Create backup saving directory
File backupSaveDirectoryFile = getBackupSaveDirectory(server);
backupSaveDirectory = backupSaveDirectoryFile.getName();
if (!backupSaveDirectoryFile.isDirectory() && !backupSaveDirectoryFile.mkdir()) {
msgInfo(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", backupSaveDirectory));
return;
}
// Make zip
String levelPath = getLevelPath(server);
String backupFileName = getBackupFileName(backupName);
debug(String.format("zip(srcPath=%s, destPath=%s)", levelPath, backupSaveDirectoryFile.toString()));
ZipUtil.makeBackupZip(levelPath, backupSaveDirectoryFile.toString(), backupFileName, backupMetadata);
File backupZipFile = new File(backupSaveDirectoryFile, backupFileName);
// Restore old autosave switch stat
server.getWorlds().forEach(world -> world.savingDisabled = oldWorldsSavingDisabled.getOrDefault(world, true));
// Print finish message: time elapsed and file size
long timeEscapedMillis = System.currentTimeMillis() - startTime;
msgInfo(context, String.format("Backup finished. (%.2fs)", timeEscapedMillis / 1000.0), true);
try {
double fileSize = backupZipFile.length() * 1.0 / 1024 / 1024;
if (fileSize > 1000)
msgInfo(context, String.format("File size: %.2fGB", fileSize / 1024));
else
msgInfo(context, String.format("File size: %.2fMB", fileSize));
} catch (SecurityException ignored) {
}
} catch (SecurityException e) {
msgInfo(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", backupSaveDirectory));
} catch (IOException | ZipUtilException e) {
msgInfo(context, "Failed to make zip: " + e.getMessage());
}
}
}
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