mirror of
https://github.com/plexusorg/Plex-FAWE.git
synced 2024-12-22 17:27:38 +00:00
Added support for restoring from backups (snapshots). Added /listsnapshots, //use, and //restore.
This commit is contained in:
parent
d9a4a778ef
commit
527573e71b
@ -1279,63 +1279,4 @@ public class EditSession {
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return affected;
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}
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/**
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* Restores a region from a backup.
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*
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* @param region
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* @param chunkStore
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*/
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public void restoreBackup(Region region, ChunkStore chunkStore)
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throws MaxChangedBlocksException {
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// TODO: Make this support non-cuboid regions
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Vector min = region.getMinimumPoint();
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Vector max = region.getMaximumPoint();
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Map<BlockVector2D,ArrayList<Vector>> neededChunks =
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new LinkedHashMap<BlockVector2D,ArrayList<Vector>>();
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// First, we need to group points by chunk so that we only need
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// to keep one chunk in memory at any given moment
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for (int x = min.getBlockX(); x <= max.getBlockX(); x++) {
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for (int y = min.getBlockY(); y <= max.getBlockY(); y++) {
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for (int z = min.getBlockZ(); z <= max.getBlockZ(); z++) {
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Vector pos = new Vector(x, y, z);
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BlockVector2D chunkPos = ChunkStore.toChunk(pos);
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// Unidentified chunk
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if (!neededChunks.containsKey(chunkPos)) {
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neededChunks.put(chunkPos, new ArrayList<Vector>());
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}
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neededChunks.get(chunkPos).add(pos);
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}
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}
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}
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// Now let's start restoring!
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for (Map.Entry<BlockVector2D,ArrayList<Vector>> entry :
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neededChunks.entrySet()) {
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BlockVector2D chunkPos = entry.getKey();
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Chunk chunk;
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try {
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chunk = chunkStore.getChunk(chunkPos);
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// Good, the chunk could be at least loaded
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// Now just copy blocks!
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for (Vector pos : entry.getValue()) {
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BaseBlock block = chunk.getBlock(pos);
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setBlock(pos, block);
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}
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} catch (DataException de) {
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// TODO: Error handling
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de.printStackTrace();
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} catch (IOException ioe) {
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// TODO: Error handling
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ioe.printStackTrace();
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}
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}
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}
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}
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@ -17,6 +17,7 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import com.sk89q.worldedit.snapshots.SnapshotRepository;
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import java.util.Map;
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import java.util.HashSet;
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import com.sk89q.worldedit.ServerInterface;
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@ -86,6 +87,11 @@ public class SMWorldEdit extends Plugin {
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worldEdit.setDefaultChangeLimit(
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Math.max(-1, properties.getInt("max-blocks-changed", -1)));
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String snapshotsDir = properties.getString("snapshots-dir", "");
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if (!snapshotsDir.trim().equals("")) {
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worldEdit.setSnapshotRepository(new SnapshotRepository(snapshotsDir));
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}
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for (Map.Entry<String,String> entry : worldEdit.getCommands().entrySet()) {
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etc.getInstance().addCommand(entry.getKey(), entry.getValue());
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}
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191
src/SnapshotRestore.java
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191
src/SnapshotRestore.java
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@ -0,0 +1,191 @@
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// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import com.sk89q.worldedit.*;
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import com.sk89q.worldedit.regions.*;
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import com.sk89q.worldedit.blocks.*;
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import com.sk89q.worldedit.data.*;
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import java.io.IOException;
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import java.util.Map;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.ArrayList;
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/**
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*
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* @author sk89q
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*/
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public class SnapshotRestore {
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/**
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* Store a list of chunks that are needed and the points in them.
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*/
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private Map<BlockVector2D,ArrayList<Vector>> neededChunks =
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new LinkedHashMap<BlockVector2D,ArrayList<Vector>>();
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/**
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* Chunk store.
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*/
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private ChunkStore chunkStore;
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/**
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* Count of the number of missing chunks.
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*/
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private ArrayList<Vector2D> missingChunks;
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/**
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* Count of the number of chunks that could be loaded for other reasons.
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*/
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private ArrayList<Vector2D> errorChunks;
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/**
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* Construct the snapshot restore operation.
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*
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* @param region
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*/
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public SnapshotRestore(ChunkStore chunkStore, Region region) {
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this.chunkStore = chunkStore;
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if (region instanceof CuboidRegion) {
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findNeededCuboidChunks(region);
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} else {
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findNeededChunks(region);
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}
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}
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/**
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* Find needed chunks in the cuboid of the region.
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*
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* @param region
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*/
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private void findNeededCuboidChunks(Region region) {
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Vector min = region.getMinimumPoint();
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Vector max = region.getMaximumPoint();
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// First, we need to group points by chunk so that we only need
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// to keep one chunk in memory at any given moment
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for (int x = min.getBlockX(); x <= max.getBlockX(); x++) {
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for (int y = min.getBlockY(); y <= max.getBlockY(); y++) {
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for (int z = min.getBlockZ(); z <= max.getBlockZ(); z++) {
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Vector pos = new Vector(x, y, z);
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BlockVector2D chunkPos = ChunkStore.toChunk(pos);
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// Unidentified chunk
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if (!neededChunks.containsKey(chunkPos)) {
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neededChunks.put(chunkPos, new ArrayList<Vector>());
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}
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neededChunks.get(chunkPos).add(pos);
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}
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}
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}
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}
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/**
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* Find needed chunks in the region.
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*
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* @param region
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*/
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private void findNeededChunks(Region region) {
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// First, we need to group points by chunk so that we only need
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// to keep one chunk in memory at any given moment
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for (Vector pos : region) {
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BlockVector2D chunkPos = ChunkStore.toChunk(pos);
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// Unidentified chunk
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if (!neededChunks.containsKey(chunkPos)) {
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neededChunks.put(chunkPos, new ArrayList<Vector>());
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}
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neededChunks.get(chunkPos).add(pos);
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}
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}
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/**
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* Get the number of chunks that are needed.
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*
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* @return
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*/
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public int getChunksAffected() {
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return neededChunks.size();
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}
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/**
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* Restores to world.
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*
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* @param editSession
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* @param region
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*/
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public void restore(EditSession editSession)
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throws MaxChangedBlocksException {
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missingChunks = new ArrayList<Vector2D>();
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errorChunks = new ArrayList<Vector2D>();
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// Now let's start restoring!
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for (Map.Entry<BlockVector2D,ArrayList<Vector>> entry :
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neededChunks.entrySet()) {
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BlockVector2D chunkPos = entry.getKey();
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Chunk chunk;
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try {
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chunk = chunkStore.getChunk(chunkPos);
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// Good, the chunk could be at least loaded
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// Now just copy blocks!
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for (Vector pos : entry.getValue()) {
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BaseBlock block = chunk.getBlock(pos);
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editSession.setBlock(pos, block);
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}
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} catch (MissingChunkException me) {
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missingChunks.add(chunkPos);
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} catch (DataException de) {
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errorChunks.add(chunkPos);
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} catch (IOException ioe) {
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errorChunks.add(chunkPos);
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}
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}
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}
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/**
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* Get a list of the missing chunks. restore() must have been called
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* already.
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*
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* @return
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*/
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public List getMissingChunks() {
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return missingChunks;
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}
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/**
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* Get a list of the chunks that could not have been loaded for other
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* reasons. restore() must have been called already.
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*
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* @return
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*/
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public List getErrorChunks() {
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return errorChunks;
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}
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/**
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* Checks to see where the backup succeeded in any capacity. False will
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* be returned if no chunk could be successfully loaded.
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*
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* @return
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*/
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public boolean hadTotalFailure() {
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return missingChunks.size() + errorChunks.size() == getChunksAffected();
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}
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}
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@ -17,10 +17,13 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import com.sk89q.worldedit.snapshots.SnapshotRepository;
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import com.sk89q.worldedit.snapshots.Snapshot;
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import com.sk89q.worldedit.*;
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import com.sk89q.worldedit.blocks.*;
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import com.sk89q.worldedit.data.*;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.snapshots.InvalidSnapshotException;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Arrays;
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@ -74,6 +77,10 @@ public class WorldEdit {
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* Default block change limit. -1 for no limit.
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*/
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private int defaultChangeLimit = -1;
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/**
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* Stores the snapshot repository. May be null;
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*/
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private SnapshotRepository snapshotRepo;
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/**
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* Set up an instance.
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@ -162,6 +169,9 @@ public class WorldEdit {
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commands.put("/thru", "Go through the wall that you are looking at");
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commands.put("/ceil", "<Clearance> - Get to the ceiling");
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commands.put("/chunkinfo", "Get the filename of the chunk that you are in");
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commands.put("/listsnapshots", "List the 5 newest snapshots");
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commands.put("//use", "[SnapshotID] - Use a particular snapshot");
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commands.put("//restore", "Restore a particular snapshot");
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}
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/**
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@ -876,6 +886,109 @@ public class WorldEdit {
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player.print("Chunk: " + chunkX + ", " + chunkZ);
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player.print(folder1 + "/" + folder2 + "/" + filename);
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return true;
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// List snapshots
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} else if (split[0].equalsIgnoreCase("/listsnapshots")) {
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checkArgs(split, 0, 0, split[0]);
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if (snapshotRepo != null) {
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Snapshot[] snapshots = snapshotRepo.getSnapshots();
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if (snapshots.length > 0) {
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for (byte i = 0; i < Math.min(5, snapshots.length); i++) {
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player.print((i + 1) + ". " + snapshots[i].getName());
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}
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player.print("Use //use [snapshot] or //use latest to set the snapshot.");
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} else {
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player.printError("No snapshots are available.");
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}
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} else {
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player.printError("Snapshot/backup restore is not configured.");
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}
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return true;
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// Use a certain snapshot
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} else if (split[0].equalsIgnoreCase("//use")) {
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checkArgs(split, 1, 1, split[0]);
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if (snapshotRepo == null) {
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player.printError("Snapshot/backup restore is not configured.");
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return true;
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}
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String name = split[1];
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// Want the latest snapshot?
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if (name.equalsIgnoreCase("latest")) {
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Snapshot snapshot = snapshotRepo.getDefaultSnapshot();
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if (snapshot != null) {
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session.setSnapshot(null);
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player.print("Now using newest snapshot.");
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} else {
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player.printError("No snapshots were found.");
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}
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} else {
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try {
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session.setSnapshot(snapshotRepo.getSnapshot(name));
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player.print("Snapshot set to: " + name);
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} catch (InvalidSnapshotException e) {
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player.printError("That snapshot does not exist or is not available.");
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}
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}
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return true;
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// Restore
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} else if (split[0].equalsIgnoreCase("//restore")) {
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checkArgs(split, 0, 0, split[0]);
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if (snapshotRepo == null) {
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player.printError("Snapshot/backup restore is not configured.");
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return true;
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}
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Region region = session.getRegion();
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Snapshot snapshot = session.getSnapshot();
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ChunkStore chunkStore;
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// No snapshot set?
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if (snapshot == null) {
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snapshot = snapshotRepo.getDefaultSnapshot();
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if (snapshot == null) {
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player.printError("No snapshots were found.");
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return true;
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}
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}
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// Load chunk store
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try {
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chunkStore = snapshot.getChunkStore();
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player.print("Snapshot '" + snapshot.getName() + "' loaded; now restoring...");
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} catch (IOException e) {
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player.printError("Failed to load snapshot: " + e.getMessage());
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return true;
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}
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// Restore snapshot
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SnapshotRestore restore = new SnapshotRestore(chunkStore, region);
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//player.print(restore.getChunksAffected() + " chunk(s) will be loaded.");
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restore.restore(editSession);
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if (restore.hadTotalFailure()) {
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player.printError("No blocks could be restored. (Bad backup?)");
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} else {
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player.print(String.format("Restored; %d "
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+ "missing chunks and %d other errors.",
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restore.getMissingChunks().size(),
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restore.getErrorChunks().size()));
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}
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return true;
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}
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@ -994,4 +1107,18 @@ public class WorldEdit {
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public void setDefaultChangeLimit(int defaultChangeLimit) {
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this.defaultChangeLimit = defaultChangeLimit;
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}
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/**
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* @return the snapshotRepo
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*/
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public SnapshotRepository getSnapshotRepo() {
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return snapshotRepo;
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}
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/**
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* @param snapshotRepo the snapshotRepo to set
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*/
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public void setSnapshotRepository(SnapshotRepository snapshotRepo) {
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this.snapshotRepo = snapshotRepo;
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}
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}
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@ -17,6 +17,7 @@
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import com.sk89q.worldedit.snapshots.Snapshot;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.regions.CuboidRegion;
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import com.sk89q.worldedit.*;
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@ -37,6 +38,7 @@ public class WorldEditSession {
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private boolean toolControl = true;
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private boolean superPickAxe = false;
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private int maxBlocksChanged = -1;
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private Snapshot snapshot;
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/**
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* Clear history.
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@ -305,4 +307,18 @@ public class WorldEditSession {
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placeAtPos1 = !placeAtPos1;
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return placeAtPos1;
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}
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/**
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* @return the snapshotName
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*/
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public Snapshot getSnapshot() {
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return snapshot;
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}
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/**
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* @param snapshot
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*/
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public void setSnapshot(Snapshot snapshot) {
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this.snapshot = snapshot;
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}
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}
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@ -0,0 +1,28 @@
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// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
|
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*
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* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
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* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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package com.sk89q.worldedit.snapshots;
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/**
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*
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* @author sk89q
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*/
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public class InvalidSnapshotException extends Exception {
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}
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73
src/com/sk89q/worldedit/snapshots/Snapshot.java
Normal file
73
src/com/sk89q/worldedit/snapshots/Snapshot.java
Normal file
@ -0,0 +1,73 @@
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// $Id$
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/*
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* WorldEdit
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* Copyright (C) 2010 sk89q <http://www.sk89q.com>
|
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*
|
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* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package com.sk89q.worldedit.snapshots;
|
||||
|
||||
import com.sk89q.worldedit.data.*;
|
||||
import java.io.*;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author sk89q
|
||||
*/
|
||||
public class Snapshot {
|
||||
/**
|
||||
* Stores snapshot file.
|
||||
*/
|
||||
private File file;
|
||||
/**
|
||||
* Name of the snapshot;
|
||||
*/
|
||||
private String name;
|
||||
|
||||
/**
|
||||
* Construct a snapshot restoration operation.
|
||||
*
|
||||
* @param editSession
|
||||
* @param dir
|
||||
* @param snapshot
|
||||
*/
|
||||
public Snapshot(SnapshotRepository repo, String snapshot) {
|
||||
file = new File(repo.getDirectory(), snapshot);
|
||||
name = snapshot;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a chunk store.
|
||||
*
|
||||
* @return
|
||||
* @throws IOException
|
||||
*/
|
||||
public ChunkStore getChunkStore() throws IOException {
|
||||
if (file.getName().toLowerCase().endsWith(".zip")) {
|
||||
return new ZippedAlphaChunkStore(file);
|
||||
} else {
|
||||
return new AlphaChunkStore(file);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the snapshot's name.
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
}
|
144
src/com/sk89q/worldedit/snapshots/SnapshotRepository.java
Normal file
144
src/com/sk89q/worldedit/snapshots/SnapshotRepository.java
Normal file
@ -0,0 +1,144 @@
|
||||
// $Id$
|
||||
/*
|
||||
* WorldEdit
|
||||
* Copyright (C) 2010 sk89q <http://www.sk89q.com>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
package com.sk89q.worldedit.snapshots;
|
||||
|
||||
import java.io.*;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
|
||||
/**
|
||||
*
|
||||
* @author sk89q
|
||||
*/
|
||||
public class SnapshotRepository {
|
||||
/**
|
||||
* Stores the directory the snapshots come from.
|
||||
*/
|
||||
private File dir;
|
||||
|
||||
/**
|
||||
* Create a new instance of a repository.
|
||||
*
|
||||
* @param dir
|
||||
*/
|
||||
public SnapshotRepository(File dir) {
|
||||
this.dir = dir;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a new instance of a repository.
|
||||
*
|
||||
* @param dir
|
||||
*/
|
||||
public SnapshotRepository(String dir) {
|
||||
this.dir = new File(dir);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a list of snapshots in a directory. The newest snapshot is
|
||||
* near the top of the array.
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public Snapshot[] getSnapshots() {
|
||||
FilenameFilter filter = new FilenameFilter() {
|
||||
public boolean accept(File dir, String name) {
|
||||
File f = new File(dir, name);
|
||||
return (name.toLowerCase().endsWith(".zip")
|
||||
&& f.isFile())
|
||||
|| f.isDirectory();
|
||||
}
|
||||
};
|
||||
|
||||
String[] snapshotNames = dir.list(filter);
|
||||
|
||||
if (snapshotNames == null || snapshotNames.length == 0) {
|
||||
return new Snapshot[0];
|
||||
}
|
||||
|
||||
Snapshot[] snapshots = new Snapshot[snapshotNames.length];
|
||||
|
||||
Arrays.sort(snapshotNames, Collections.reverseOrder());
|
||||
|
||||
int i = 0;
|
||||
for (String name : snapshotNames) {
|
||||
snapshots[i] = new Snapshot(this, name);
|
||||
i++;
|
||||
}
|
||||
|
||||
return snapshots;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the default snapshot.
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public Snapshot getDefaultSnapshot() {
|
||||
Snapshot[] snapshots = getSnapshots();
|
||||
|
||||
if (snapshots.length == 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return snapshots[0];
|
||||
}
|
||||
|
||||
/**
|
||||
* Check to see if a snapshot is valid.
|
||||
*
|
||||
* @param dir
|
||||
* @param snapshot
|
||||
* @return whether it is a valid snapshot
|
||||
*/
|
||||
public boolean isValidSnapshotName(String snapshot) {
|
||||
if (!snapshot.matches("[A-Za-z0-9_\\-,.\\[\\]\\(\\) ]{1,50}")) {
|
||||
return false;
|
||||
}
|
||||
|
||||
File f = new File(dir, snapshot);
|
||||
return (f.isDirectory() && (new File(f, "level.dat")).exists())
|
||||
|| (f.isFile() && f.getName().toLowerCase().endsWith((".zip")));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a snapshot.
|
||||
*
|
||||
* @param name
|
||||
* @return
|
||||
* @throws InvalidSnapshotException
|
||||
*/
|
||||
public Snapshot getSnapshot(String name) throws InvalidSnapshotException {
|
||||
if (!isValidSnapshotName(name)) {
|
||||
throw new InvalidSnapshotException();
|
||||
}
|
||||
|
||||
return new Snapshot(this, name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the snapshot directory.
|
||||
*
|
||||
* @return
|
||||
*/
|
||||
public File getDirectory() {
|
||||
return dir;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user