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Diffstat (limited to 'src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java')
-rw-r--r--src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java141
1 files changed, 49 insertions, 92 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java b/src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java
index 33d0f43..943fb68 100644
--- a/src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java
+++ b/src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java
@@ -1,32 +1,28 @@
package com.keuin.kbackupfabric;
-import com.keuin.kbackupfabric.util.PostProgressRestoreThread;
-import com.keuin.kbackupfabric.util.ZipUtil;
-import com.keuin.kbackupfabric.util.ZipUtilException;
+import com.keuin.kbackupfabric.worker.BackupWorker;
+import com.keuin.kbackupfabric.worker.RestoreWorker;
import com.mojang.brigadier.arguments.StringArgumentType;
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.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
-import java.util.Map;
-import static com.keuin.kbackupfabric.util.IO.debug;
-import static com.keuin.kbackupfabric.util.IO.message;
+import static com.keuin.kbackupfabric.util.BackupFilesystemUtil.*;
+import static com.keuin.kbackupfabric.util.PrintUtil.debug;
+import static com.keuin.kbackupfabric.util.PrintUtil.message;
-public class KBCommandHandler {
+public final class KBCommandHandler {
private static final int SUCCESS = 1;
private static final int FAILED = -1;
- private static final String backupSaveDirectoryName = "backups";
- private static final String backupFileNamePrefix = "kbackup-";
+
private static final HashMap<Integer, String> backupIndexNameMapper = new HashMap<>(); // index -> backupName
private static String restoreBackupNameToBeConfirmed = null;
@@ -37,11 +33,13 @@ public class KBCommandHandler {
* @return stat code.
*/
public static int help(CommandContext<ServerCommandSource> context) {
- message(context, "KBackup Manual");
- message(context, "/kb | /kb help Print help menu.");
+ message(context, "==== KBackup Manual ====");
+ message(context, "/kb /kb help Print help menu.");
message(context, "/kb list Show all backups.");
message(context, "/kb backup [backup_name] Backup world, nether, end to backup_name. By default, the name is current system time.");
message(context, "/kb restore <backup_name> Delete current three worlds, restore the older version from given backup. By default, this command is identical with /kb list.");
+ message(context, "/kb confirm Confirm and start restoring.");
+ message(context, "/kb cancel Cancel the restoration to be confirmed. If cancelled, /kb confirm will not effect without another valid /kb restore command.");
return SUCCESS;
}
@@ -49,7 +47,7 @@ public class KBCommandHandler {
message(context, "Available backups: (file is not checked, manipulation may affect this plugin)");
MinecraftServer server = context.getSource().getMinecraftServer();
File[] files = getBackupSaveDirectory(server).listFiles(
- (dir, name) -> dir.isDirectory() && name.toLowerCase().endsWith(".zip") && name.toLowerCase().startsWith(backupFileNamePrefix)
+ (dir, name) -> dir.isDirectory() && name.toLowerCase().endsWith(".zip") && name.toLowerCase().startsWith(getBackupFileNamePrefix())
);
backupIndexNameMapper.clear();
if (files != null) {
@@ -90,6 +88,7 @@ public class KBCommandHandler {
*/
public static int restore(CommandContext<ServerCommandSource> context) {
//KBMain.restore("name")
+ MinecraftServer server = context.getSource().getMinecraftServer();
String backupName = StringArgumentType.getString(context, "backupName");
if (backupName.matches("[0-9]*")) {
@@ -102,6 +101,13 @@ public class KBCommandHandler {
backupName = realBackupName; // Replace input number with real backup name.
}
+ // Validate backupName
+ if (!isBackupNameValid(backupName, server)) {
+ // Invalid backupName
+ message(context, "Invalid backup name! Please check your input. The list index number is also valid.", false);
+ return FAILED;
+ }
+
// Update confirm pending variable
restoreBackupNameToBeConfirmed = backupName;
message(context, String.format("WARNING: You will LOST YOUR CURRENT WORLD COMPLETELY! It will be replaced with the backup %s . Please use /kb confirm to proceed executing.", restoreBackupNameToBeConfirmed), true);
@@ -123,74 +129,8 @@ public class KBCommandHandler {
}
private static int doBackup(CommandContext<ServerCommandSource> context, String backupName) {
- String destPathFolderName = "";
- try {
- message(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);
-
- //// Do our main backup logic
-
- // Create backup saving directory
- File destPathFile = getBackupSaveDirectory(server);
- destPathFolderName = destPathFile.getName();
- if (!destPathFile.mkdir() && !destPathFile.isDirectory()) {
- message(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", destPathFolderName));
- return FAILED;
- }
-
- // Make zip
- String levelPath = getLevelPath(server);
- debug(String.format("zip(srcPath=%s, destPath=%s)", levelPath, destPathFile.toString()));
- ZipUtil.zip(levelPath, destPathFile.toString(), getBackupFileName(backupName));
-
- // Restore old autosave switch stat
- server.getWorlds().forEach(world -> world.savingDisabled = oldWorldsSavingDisabled.getOrDefault(world, true));
-
- message(context, "Done.", true);
- return SUCCESS;
- } catch (SecurityException e) {
- message(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", destPathFolderName));
- return FAILED;
- } catch (IOException | ZipUtilException e) {
- message(context, "Failed to make zip: " + e.getMessage());
- return FAILED;
- }
- }
-
- private static String getBackupFileName(String backupName) {
- return backupFileNamePrefix + backupName + ".zip";
- }
-
- private static String getBackupName(String backupFileName) {
- try {
- if (backupFileName.matches(backupFileNamePrefix + ".+\\.zip"))
- return backupFileName.substring(backupFileNamePrefix.length(), backupFileName.length() - 4);
- } catch (IndexOutOfBoundsException ignored) {
- }
- return backupFileName;
- }
-
- private static File getBackupSaveDirectory(MinecraftServer server) {
- return new File(server.getRunDirectory(), backupSaveDirectoryName);
- }
-
- private static String getLevelPath(MinecraftServer server) {
- return (new File(server.getRunDirectory(), server.getLevelName())).getAbsolutePath();
+ BackupWorker.invoke(context, backupName);
+ return SUCCESS;
}
/**
@@ -214,18 +154,35 @@ public class KBCommandHandler {
String backupFileName = getBackupFileName(backupName);
debug("Backup file name: " + backupFileName);
File backupFile = new File(getBackupSaveDirectory(server), backupFileName);
- PostProgressRestoreThread postProgressRestoreThread = new PostProgressRestoreThread(server.getThread(), backupFile.getPath(), getLevelPath(server));
- Thread postThread = new Thread(postProgressRestoreThread, "PostProgressRestoreThread");
- postThread.start();
- server.stop(false);
- message(context, "Decompressing archive data. Server will shutdown to replace level data. Please do not restart the server.", true);
+ message(context, "Server will shutdown in a few seconds, depended on your world size and the disk speed, the restore progress may take seconds or minutes.", true);
+ message(context, "Please do not force the server stop, or the level would be broken.", true);
+ message(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) {
+ }
+ }
+ message(context, "Shutting down ...", true);
+ RestoreWorker.invoke(server, backupFile.getPath(), getLevelPath(server));
return SUCCESS;
}
- static boolean opPermissionValidator(ServerCommandSource commandSource) {
- return commandSource.hasPermissionLevel(4);
+ /**
+ * Cancel the execution to be confirmed.
+ *
+ * @param context the context.
+ * @return stat code.
+ */
+ public static int cancel(CommandContext<ServerCommandSource> context) {
+ if (restoreBackupNameToBeConfirmed != null) {
+ restoreBackupNameToBeConfirmed = null;
+ message(context, "The restoration is cancelled.", true);
+ return SUCCESS;
+ } else {
+ message(context, "Nothing to cancel.");
+ return FAILED;
+ }
}
-
-
-
}