diff options
Diffstat (limited to 'src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java')
-rw-r--r-- | src/main/java/com/keuin/kbackupfabric/KBCommandHandler.java | 141 |
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; + } } - - - } |