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package com.keuin.kbackupfabric.operation;
import com.keuin.kbackupfabric.operation.abstracts.InvokableBlockingOperation;
import com.keuin.kbackupfabric.operation.backup.method.ConfiguredBackupMethod;
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.IOException;
import java.util.Objects;
public class RestoreOperation extends InvokableBlockingOperation {
//private static final Logger LOGGER = LogManager.getLogger();
private final Thread serverThread;
private final CommandContext<ServerCommandSource> context;
private final MinecraftServer server;
private final ConfiguredBackupMethod configuredBackupMethod;
public RestoreOperation(CommandContext<ServerCommandSource> context, ConfiguredBackupMethod configuredBackupMethod) {
server = Objects.requireNonNull(context.getSource().getMinecraftServer());
this.serverThread = Objects.requireNonNull(server.getThread());
this.context = Objects.requireNonNull(context);
this.configuredBackupMethod = Objects.requireNonNull(configuredBackupMethod);
}
@Override
protected boolean blockingContext() {
// do restore to backupName
PrintUtil.broadcast(String.format("Restoring to backup %s ...", configuredBackupMethod.getBackupFileName()));
PrintUtil.debug("Backup file name: " + configuredBackupMethod.getBackupFileName());
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", configuredBackupMethod.getBackupFileName());
}
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 | RuntimeException ignored) {
}
}
int cnt = 5;
do {
PrintUtil.info(String.format("Wait for %d seconds...", cnt));
try{
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
}while(--cnt > 0);
////////////////////
long startTime = System.currentTimeMillis();
if (configuredBackupMethod.restore()) {
long endTime = System.currentTimeMillis();
PrintUtil.info(String.format(
"Restore complete! (%.2fs) Please restart the server manually.",
(endTime - startTime) / 1000.0
));
PrintUtil.info("If you want to restart automatically after restoring, " +
"refer to https://github.com/keuin/KBackup-Fabric/blob/master/README.md");
//ServerRestartUtil.forkAndRestart();
System.exit(111);
} else {
PrintUtil.error("Failed to restore! server will not restart automatically.");
}
} catch (SecurityException e) {
e.printStackTrace();
PrintUtil.error("An exception occurred while restoring.");
} catch (IOException e) {
e.printStackTrace();
PrintUtil.error("Failed to restore due to an unexpected I/O exception.");
}
PrintUtil.error("Failed to restore.");
System.exit(0); // all failed restoration will eventually go here
}
}
}
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