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package com.keuin.kbackupfabric.operation;
import com.keuin.kbackupfabric.operation.abstracts.InvokableBlockingOperation;
import com.keuin.kbackupfabric.operation.backup.BackupMethod;
import com.keuin.kbackupfabric.operation.backup.PrimitiveBackupMethod;
import com.keuin.kbackupfabric.util.PrintUtil;
import com.mojang.brigadier.context.CommandContext;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.command.ServerCommandSource;
import java.io.File;
import java.io.IOException;
import static com.keuin.kbackupfabric.util.backup.BackupFilesystemUtil.getBackupFileName;
import static com.keuin.kbackupfabric.util.backup.BackupFilesystemUtil.getBackupSaveDirectory;
public class RestoreOperation extends InvokableBlockingOperation {
//private static final Logger LOGGER = LogManager.getLogger();
private final String backupFileName;
private final Thread serverThread;
private final String backupSavePath;
private final String levelPath;
private final CommandContext<ServerCommandSource> context;
private final MinecraftServer server;
private final BackupMethod backupMethod = PrimitiveBackupMethod.getInstance();
public RestoreOperation(CommandContext<ServerCommandSource> context, String backupSavePath, String levelPath, String backupFileName) {
server = context.getSource().getMinecraftServer();
this.backupFileName = backupFileName;
this.serverThread = server.getThread();
this.backupSavePath = backupSavePath;
this.levelPath = levelPath;
this.context = context;
}
@Override
protected boolean blockingContext() {
// do restore to backupName
PrintUtil.broadcast(String.format("Restoring to backup %s ...", backupFileName));
String backupFileName = getBackupFileName(this.backupFileName);
PrintUtil.debug("Backup file name: " + backupFileName);
File backupFile = new File(getBackupSaveDirectory(server), backupFileName);
PrintUtil.msgInfo(context, "Server will shutdown in a few seconds, depending on world size and disk speed, the progress may take from seconds to minutes.", true);
PrintUtil.msgInfo(context, "Please do not force the server stop, or the level would be broken.", true);
PrintUtil.msgInfo(context, "After it shuts down, please restart the server manually.", true);
final int WAIT_SECONDS = 10;
for (int i = 0; i < WAIT_SECONDS; ++i) {
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
}
PrintUtil.broadcast("Shutting down ...");
//RestoreWorker worker = new RestoreWorker(server.getThread(), backupFilePath, levelDirectory);
Thread workerThread = new Thread(new WorkerThread(), "RestoreWorker");
workerThread.start();
try {
Thread.sleep(500);
} catch (InterruptedException ignored) {
}
server.stop(false);
return true;
}
@Override
public String toString() {
return String.format("restoration from %s", backupFileName);
}
private class WorkerThread implements Runnable {
@Override
public void run() {
try {
// Wait server thread die
PrintUtil.info("Waiting for the server thread to exit ...");
while (serverThread.isAlive()) {
try {
serverThread.join();
} catch (InterruptedException ignored) {
}
}
int cnt = 5;
do {
PrintUtil.info(String.format("Wait %d seconds ...", cnt));
try{
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
}while(--cnt > 0);
////////////////////
backupMethod.restore(backupFileName, levelPath, backupSavePath);
//ServerRestartUtil.forkAndRestart();
System.exit(111);
} catch (SecurityException e) {
PrintUtil.error("An exception occurred while restoring: " + e.getMessage());
} catch (IOException e) {
PrintUtil.error(e.toString());
PrintUtil.error("Failed to restore.");
}
}
}
}
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