523 lines
25 KiB
Java
523 lines
25 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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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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package com.viaversion.viaversion.protocol;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Range;
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import com.google.common.util.concurrent.ThreadFactoryBuilder;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.data.MappingDataLoader;
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import com.viaversion.viaversion.api.protocol.Protocol;
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import com.viaversion.viaversion.api.protocol.ProtocolManager;
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import com.viaversion.viaversion.api.protocol.ProtocolPathEntry;
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import com.viaversion.viaversion.api.protocol.ProtocolPathKey;
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import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
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import com.viaversion.viaversion.api.protocol.packet.PacketType;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
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import com.viaversion.viaversion.api.protocol.packet.VersionedPacketTransformer;
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import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
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import com.viaversion.viaversion.api.protocol.version.ServerProtocolVersion;
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import com.viaversion.viaversion.protocol.packet.PacketWrapperImpl;
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import com.viaversion.viaversion.protocol.packet.VersionedPacketTransformerImpl;
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import com.viaversion.viaversion.protocols.base.BaseProtocol;
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import com.viaversion.viaversion.protocols.base.BaseProtocol1_16;
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import com.viaversion.viaversion.protocols.base.BaseProtocol1_7;
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import com.viaversion.viaversion.protocols.protocol1_10to1_9_3.Protocol1_10To1_9_3_4;
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import com.viaversion.viaversion.protocols.protocol1_11_1to1_11.Protocol1_11_1To1_11;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.Protocol1_11To1_10;
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import com.viaversion.viaversion.protocols.protocol1_12_1to1_12.Protocol1_12_1To1_12;
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import com.viaversion.viaversion.protocols.protocol1_12_2to1_12_1.Protocol1_12_2To1_12_1;
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import com.viaversion.viaversion.protocols.protocol1_12to1_11_1.Protocol1_12To1_11_1;
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import com.viaversion.viaversion.protocols.protocol1_13_1to1_13.Protocol1_13_1To1_13;
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import com.viaversion.viaversion.protocols.protocol1_13_2to1_13_1.Protocol1_13_2To1_13_1;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
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import com.viaversion.viaversion.protocols.protocol1_14_1to1_14.Protocol1_14_1To1_14;
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import com.viaversion.viaversion.protocols.protocol1_14_2to1_14_1.Protocol1_14_2To1_14_1;
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import com.viaversion.viaversion.protocols.protocol1_14_3to1_14_2.Protocol1_14_3To1_14_2;
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import com.viaversion.viaversion.protocols.protocol1_14_4to1_14_3.Protocol1_14_4To1_14_3;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.Protocol1_14To1_13_2;
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import com.viaversion.viaversion.protocols.protocol1_15_1to1_15.Protocol1_15_1To1_15;
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import com.viaversion.viaversion.protocols.protocol1_15_2to1_15_1.Protocol1_15_2To1_15_1;
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import com.viaversion.viaversion.protocols.protocol1_15to1_14_4.Protocol1_15To1_14_4;
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import com.viaversion.viaversion.protocols.protocol1_16_1to1_16.Protocol1_16_1To1_16;
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import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.Protocol1_16_2To1_16_1;
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import com.viaversion.viaversion.protocols.protocol1_16_3to1_16_2.Protocol1_16_3To1_16_2;
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import com.viaversion.viaversion.protocols.protocol1_16_4to1_16_3.Protocol1_16_4To1_16_3;
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import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.Protocol1_16To1_15_2;
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import com.viaversion.viaversion.protocols.protocol1_17_1to1_17.Protocol1_17_1To1_17;
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import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.Protocol1_17To1_16_4;
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import com.viaversion.viaversion.protocols.protocol1_18_2to1_18.Protocol1_18_2To1_18;
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import com.viaversion.viaversion.protocols.protocol1_18to1_17_1.Protocol1_18To1_17_1;
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import com.viaversion.viaversion.protocols.protocol1_19_1to1_19.Protocol1_19_1To1_19;
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import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.Protocol1_19_3To1_19_1;
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import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.Protocol1_19_4To1_19_3;
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import com.viaversion.viaversion.protocols.protocol1_19to1_18_2.Protocol1_19To1_18_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.Protocol1_20_2To1_20;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.Protocol1_20_3To1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20to1_19_4.Protocol1_20To1_19_4;
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import com.viaversion.viaversion.protocols.protocol1_9_1to1_9.Protocol1_9_1To1_9;
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import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.Protocol1_9_3To1_9_1_2;
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import com.viaversion.viaversion.protocols.protocol1_9to1_8.Protocol1_9To1_8;
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import com.viaversion.viaversion.util.Pair;
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import io.netty.buffer.ByteBuf;
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import it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
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import it.unimi.dsi.fastutil.ints.Int2ObjectSortedMap;
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import java.util.logging.Level;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.SynchronousQueue;
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import java.util.concurrent.ThreadFactory;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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import java.util.function.Function;
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public class ProtocolManagerImpl implements ProtocolManager {
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private static final Protocol BASE_PROTOCOL = new BaseProtocol();
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// Input Version -> Output Version & Protocol (Allows fast lookup)
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private final Int2ObjectMap<Int2ObjectMap<Protocol>> registryMap = new Int2ObjectOpenHashMap<>(32);
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private final Map<Class<? extends Protocol>, Protocol<?, ?, ?, ?>> protocols = new HashMap<>(64);
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private final Map<ProtocolPathKey, List<ProtocolPathEntry>> pathCache = new ConcurrentHashMap<>();
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private final Set<Integer> supportedVersions = new HashSet<>();
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private final List<Pair<Range<Integer>, Protocol>> baseProtocols = Lists.newCopyOnWriteArrayList();
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private final ReadWriteLock mappingLoaderLock = new ReentrantReadWriteLock();
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private Map<Class<? extends Protocol>, CompletableFuture<Void>> mappingLoaderFutures = new HashMap<>();
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private ThreadPoolExecutor mappingLoaderExecutor;
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private boolean mappingsLoaded;
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private ServerProtocolVersion serverProtocolVersion = new ServerProtocolVersionSingleton(-1);
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private int maxPathDeltaIncrease; // Only allow lowering path entries by default
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private int maxProtocolPathSize = 50;
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public ProtocolManagerImpl() {
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ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("Via-Mappingloader-%d").build();
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mappingLoaderExecutor = new ThreadPoolExecutor(12, Integer.MAX_VALUE, 30L, TimeUnit.SECONDS, new SynchronousQueue<>(), threadFactory);
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mappingLoaderExecutor.allowCoreThreadTimeOut(true);
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}
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public void registerProtocols() {
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// Base Protocol
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registerBaseProtocol(BASE_PROTOCOL, Range.lessThan(Integer.MIN_VALUE));
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registerBaseProtocol(new BaseProtocol1_7(), Range.lessThan(ProtocolVersion.v1_16.getVersion()));
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registerBaseProtocol(new BaseProtocol1_16(), Range.atLeast(ProtocolVersion.v1_16.getVersion()));
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registerProtocol(new Protocol1_9To1_8(), ProtocolVersion.v1_9, ProtocolVersion.v1_8);
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registerProtocol(new Protocol1_9_1To1_9(), Arrays.asList(ProtocolVersion.v1_9_1.getVersion(), ProtocolVersion.v1_9_2.getVersion()), ProtocolVersion.v1_9.getVersion());
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registerProtocol(new Protocol1_9_3To1_9_1_2(), ProtocolVersion.v1_9_3, ProtocolVersion.v1_9_2);
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registerProtocol(new Protocol1_10To1_9_3_4(), ProtocolVersion.v1_10, ProtocolVersion.v1_9_3);
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registerProtocol(new Protocol1_11To1_10(), ProtocolVersion.v1_11, ProtocolVersion.v1_10);
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registerProtocol(new Protocol1_11_1To1_11(), ProtocolVersion.v1_11_1, ProtocolVersion.v1_11);
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registerProtocol(new Protocol1_12To1_11_1(), ProtocolVersion.v1_12, ProtocolVersion.v1_11_1);
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registerProtocol(new Protocol1_12_1To1_12(), ProtocolVersion.v1_12_1, ProtocolVersion.v1_12);
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registerProtocol(new Protocol1_12_2To1_12_1(), ProtocolVersion.v1_12_2, ProtocolVersion.v1_12_1);
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registerProtocol(new Protocol1_13To1_12_2(), ProtocolVersion.v1_13, ProtocolVersion.v1_12_2);
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registerProtocol(new Protocol1_13_1To1_13(), ProtocolVersion.v1_13_1, ProtocolVersion.v1_13);
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registerProtocol(new Protocol1_13_2To1_13_1(), ProtocolVersion.v1_13_2, ProtocolVersion.v1_13_1);
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registerProtocol(new Protocol1_14To1_13_2(), ProtocolVersion.v1_14, ProtocolVersion.v1_13_2);
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registerProtocol(new Protocol1_14_1To1_14(), ProtocolVersion.v1_14_1, ProtocolVersion.v1_14);
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registerProtocol(new Protocol1_14_2To1_14_1(), ProtocolVersion.v1_14_2, ProtocolVersion.v1_14_1);
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registerProtocol(new Protocol1_14_3To1_14_2(), ProtocolVersion.v1_14_3, ProtocolVersion.v1_14_2);
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registerProtocol(new Protocol1_14_4To1_14_3(), ProtocolVersion.v1_14_4, ProtocolVersion.v1_14_3);
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registerProtocol(new Protocol1_15To1_14_4(), ProtocolVersion.v1_15, ProtocolVersion.v1_14_4);
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registerProtocol(new Protocol1_15_1To1_15(), ProtocolVersion.v1_15_1, ProtocolVersion.v1_15);
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registerProtocol(new Protocol1_15_2To1_15_1(), ProtocolVersion.v1_15_2, ProtocolVersion.v1_15_1);
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registerProtocol(new Protocol1_16To1_15_2(), ProtocolVersion.v1_16, ProtocolVersion.v1_15_2);
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registerProtocol(new Protocol1_16_1To1_16(), ProtocolVersion.v1_16_1, ProtocolVersion.v1_16);
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registerProtocol(new Protocol1_16_2To1_16_1(), ProtocolVersion.v1_16_2, ProtocolVersion.v1_16_1);
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registerProtocol(new Protocol1_16_3To1_16_2(), ProtocolVersion.v1_16_3, ProtocolVersion.v1_16_2);
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registerProtocol(new Protocol1_16_4To1_16_3(), ProtocolVersion.v1_16_4, ProtocolVersion.v1_16_3);
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registerProtocol(new Protocol1_17To1_16_4(), ProtocolVersion.v1_17, ProtocolVersion.v1_16_4);
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registerProtocol(new Protocol1_17_1To1_17(), ProtocolVersion.v1_17_1, ProtocolVersion.v1_17);
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registerProtocol(new Protocol1_18To1_17_1(), ProtocolVersion.v1_18, ProtocolVersion.v1_17_1);
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registerProtocol(new Protocol1_18_2To1_18(), ProtocolVersion.v1_18_2, ProtocolVersion.v1_18);
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registerProtocol(new Protocol1_19To1_18_2(), ProtocolVersion.v1_19, ProtocolVersion.v1_18_2);
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registerProtocol(new Protocol1_19_1To1_19(), ProtocolVersion.v1_19_1, ProtocolVersion.v1_19);
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registerProtocol(new Protocol1_19_3To1_19_1(), ProtocolVersion.v1_19_3, ProtocolVersion.v1_19_1);
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registerProtocol(new Protocol1_19_4To1_19_3(), ProtocolVersion.v1_19_4, ProtocolVersion.v1_19_3);
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registerProtocol(new Protocol1_20To1_19_4(), ProtocolVersion.v1_20, ProtocolVersion.v1_19_4);
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registerProtocol(new Protocol1_20_2To1_20(), ProtocolVersion.v1_20_2, ProtocolVersion.v1_20);
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registerProtocol(new Protocol1_20_3To1_20_2(), ProtocolVersion.v1_20_3, ProtocolVersion.v1_20_2);
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}
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@Override
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public void registerProtocol(Protocol protocol, ProtocolVersion clientVersion, ProtocolVersion serverVersion) {
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registerProtocol(protocol, Collections.singletonList(clientVersion.getVersion()), serverVersion.getVersion());
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}
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@Override
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public void registerProtocol(Protocol protocol, List<Integer> supportedClientVersion, int serverVersion) {
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// Register the protocol's handlers
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protocol.initialize();
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// Clear cache as this may make new routes.
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if (!pathCache.isEmpty()) {
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pathCache.clear();
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}
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protocols.put(protocol.getClass(), protocol);
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for (int clientVersion : supportedClientVersion) {
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// Throw an error if supported client version = server version
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Preconditions.checkArgument(clientVersion != serverVersion);
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Int2ObjectMap<Protocol> protocolMap = registryMap.computeIfAbsent(clientVersion, s -> new Int2ObjectOpenHashMap<>(2));
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protocolMap.put(serverVersion, protocol);
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}
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protocol.register(Via.getManager().getProviders());
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if (Via.getManager().isInitialized()) {
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refreshVersions();
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}
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if (protocol.hasMappingDataToLoad()) {
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if (mappingLoaderExecutor != null) {
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// Submit mapping data loading
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addMappingLoaderFuture(protocol.getClass(), protocol::loadMappingData);
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} else {
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// Late protocol adding - just do it on the current thread
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protocol.loadMappingData();
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}
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}
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}
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@Override
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public void registerBaseProtocol(Protocol baseProtocol, Range<Integer> supportedProtocols) {
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Preconditions.checkArgument(baseProtocol.isBaseProtocol(), "Protocol is not a base protocol");
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baseProtocol.initialize();
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baseProtocols.add(new Pair<>(supportedProtocols, baseProtocol));
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baseProtocol.register(Via.getManager().getProviders());
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if (Via.getManager().isInitialized()) {
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refreshVersions();
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}
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}
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public void refreshVersions() {
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supportedVersions.clear();
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supportedVersions.add(serverProtocolVersion.lowestSupportedVersion());
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for (ProtocolVersion version : ProtocolVersion.getProtocols()) {
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List<ProtocolPathEntry> protocolPath = getProtocolPath(version.getVersion(), serverProtocolVersion.lowestSupportedVersion());
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if (protocolPath == null) continue;
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supportedVersions.add(version.getVersion());
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for (ProtocolPathEntry pathEntry : protocolPath) {
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supportedVersions.add(pathEntry.outputProtocolVersion());
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}
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}
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}
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@Override
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public @Nullable List<ProtocolPathEntry> getProtocolPath(int clientVersion, int serverVersion) {
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if (clientVersion == serverVersion) return null; // Nothing to do!
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// Check cache
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ProtocolPathKey protocolKey = new ProtocolPathKeyImpl(clientVersion, serverVersion);
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List<ProtocolPathEntry> protocolList = pathCache.get(protocolKey);
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if (protocolList != null) {
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return protocolList;
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}
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// Calculate path
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Int2ObjectSortedMap<Protocol> outputPath = getProtocolPath(new Int2ObjectLinkedOpenHashMap<>(), clientVersion, serverVersion);
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if (outputPath == null) {
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return null;
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}
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List<ProtocolPathEntry> path = new ArrayList<>(outputPath.size());
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for (Int2ObjectMap.Entry<Protocol> entry : outputPath.int2ObjectEntrySet()) {
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path.add(new ProtocolPathEntryImpl(entry.getIntKey(), entry.getValue()));
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}
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pathCache.put(protocolKey, path);
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return path;
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}
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@Override
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public <C extends ClientboundPacketType,
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S extends ServerboundPacketType
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> VersionedPacketTransformer<C, S> createPacketTransformer(ProtocolVersion inputVersion,
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@Nullable Class<C> clientboundPacketsClass,
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@Nullable Class<S> serverboundPacketsClass) {
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Preconditions.checkArgument(clientboundPacketsClass != ClientboundPacketType.class && serverboundPacketsClass != ServerboundPacketType.class);
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return new VersionedPacketTransformerImpl<>(inputVersion, clientboundPacketsClass, serverboundPacketsClass);
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}
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/**
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* Calculates a path to get from an input protocol to the server's protocol.
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*
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* @param current current items in the path
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* @param clientVersion current input version
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* @param serverVersion desired output version
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* @return path that has been generated, null if failed
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*/
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private @Nullable Int2ObjectSortedMap<Protocol> getProtocolPath(Int2ObjectSortedMap<Protocol> current, int clientVersion, int serverVersion) {
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if (current.size() > maxProtocolPathSize) return null; // Fail-safe, protocol too complicated.
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// First, check if there is any protocols for this
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Int2ObjectMap<Protocol> toServerProtocolMap = registryMap.get(clientVersion);
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if (toServerProtocolMap == null) {
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return null; // Not supported
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}
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// Next, check if there is a direct, single Protocol path
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Protocol protocol = toServerProtocolMap.get(serverVersion);
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if (protocol != null) {
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current.put(serverVersion, protocol);
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return current; // Easy solution
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}
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// There might be a more advanced solution... So we'll see if any of the others can get us there
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Int2ObjectSortedMap<Protocol> shortest = null;
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for (Int2ObjectMap.Entry<Protocol> entry : toServerProtocolMap.int2ObjectEntrySet()) {
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// Ensure we don't go back to already contained versions
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int translatedToVersion = entry.getIntKey();
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if (current.containsKey(translatedToVersion)) continue;
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// Check if the new version is farther away than the current client version
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if (maxPathDeltaIncrease != -1 && Math.abs(serverVersion - translatedToVersion) - Math.abs(serverVersion - clientVersion) > maxPathDeltaIncrease) {
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continue;
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}
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// Create a copy
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Int2ObjectSortedMap<Protocol> newCurrent = new Int2ObjectLinkedOpenHashMap<>(current);
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newCurrent.put(translatedToVersion, entry.getValue());
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// Calculate the rest of the protocol starting from translatedToVersion and take the shortest
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newCurrent = getProtocolPath(newCurrent, translatedToVersion, serverVersion);
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if (newCurrent != null && (shortest == null || newCurrent.size() < shortest.size())) {
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shortest = newCurrent;
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}
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}
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return shortest; // null if none found
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}
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@Override
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public @Nullable <T extends Protocol> T getProtocol(Class<T> protocolClass) {
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return (T) protocols.get(protocolClass);
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}
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@Override
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public @Nullable Protocol getProtocol(int clientVersion, int serverVersion) {
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Int2ObjectMap<Protocol> map = registryMap.get(clientVersion);
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return map != null ? map.get(serverVersion) : null;
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}
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@Override
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public Protocol getBaseProtocol(int serverVersion) {
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for (Pair<Range<Integer>, Protocol> rangeProtocol : Lists.reverse(baseProtocols)) {
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if (rangeProtocol.key().contains(serverVersion)) {
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return rangeProtocol.value();
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}
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}
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throw new IllegalStateException("No Base Protocol for " + serverVersion);
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}
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@Override
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public Collection<Protocol<?, ?, ?, ?>> getProtocols() {
|
|
return Collections.unmodifiableCollection(protocols.values());
|
|
}
|
|
|
|
@Override
|
|
public ServerProtocolVersion getServerProtocolVersion() {
|
|
return serverProtocolVersion;
|
|
}
|
|
|
|
public void setServerProtocol(ServerProtocolVersion serverProtocolVersion) {
|
|
this.serverProtocolVersion = serverProtocolVersion;
|
|
//noinspection deprecation
|
|
ProtocolRegistry.SERVER_PROTOCOL = serverProtocolVersion.lowestSupportedVersion();
|
|
}
|
|
|
|
@Override
|
|
public boolean isWorkingPipe() {
|
|
for (Int2ObjectMap<Protocol> map : registryMap.values()) {
|
|
for (int protocolVersion : serverProtocolVersion.supportedVersions()) {
|
|
if (map.containsKey(protocolVersion)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false; // No destination for protocol
|
|
}
|
|
|
|
@Override
|
|
public SortedSet<Integer> getSupportedVersions() {
|
|
return Collections.unmodifiableSortedSet(new TreeSet<>(supportedVersions));
|
|
}
|
|
|
|
@Override
|
|
public void setMaxPathDeltaIncrease(final int maxPathDeltaIncrease) {
|
|
this.maxPathDeltaIncrease = Math.max(-1, maxPathDeltaIncrease);
|
|
}
|
|
|
|
@Override
|
|
public int getMaxPathDeltaIncrease() {
|
|
return maxPathDeltaIncrease;
|
|
}
|
|
|
|
@Override
|
|
public int getMaxProtocolPathSize() {
|
|
return maxProtocolPathSize;
|
|
}
|
|
|
|
@Override
|
|
public void setMaxProtocolPathSize(int maxProtocolPathSize) {
|
|
this.maxProtocolPathSize = maxProtocolPathSize;
|
|
}
|
|
|
|
@Override
|
|
public Protocol getBaseProtocol() {
|
|
return BASE_PROTOCOL;
|
|
}
|
|
|
|
@Override
|
|
public void completeMappingDataLoading(Class<? extends Protocol> protocolClass) throws Exception {
|
|
if (mappingsLoaded) return;
|
|
|
|
CompletableFuture<Void> future = getMappingLoaderFuture(protocolClass);
|
|
if (future != null) {
|
|
// Wait for completion
|
|
future.get();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean checkForMappingCompletion() {
|
|
mappingLoaderLock.readLock().lock();
|
|
try {
|
|
if (mappingsLoaded) {
|
|
return false;
|
|
}
|
|
|
|
for (CompletableFuture<Void> future : mappingLoaderFutures.values()) {
|
|
// Return if any future hasn't completed yet
|
|
if (!future.isDone()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
shutdownLoaderExecutor();
|
|
return true;
|
|
} finally {
|
|
mappingLoaderLock.readLock().unlock();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void addMappingLoaderFuture(Class<? extends Protocol> protocolClass, Runnable runnable) {
|
|
CompletableFuture<Void> future = CompletableFuture.runAsync(runnable, mappingLoaderExecutor).exceptionally(mappingLoaderThrowable(protocolClass));
|
|
|
|
mappingLoaderLock.writeLock().lock();
|
|
try {
|
|
mappingLoaderFutures.put(protocolClass, future);
|
|
} finally {
|
|
mappingLoaderLock.writeLock().unlock();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void addMappingLoaderFuture(Class<? extends Protocol> protocolClass, Class<? extends Protocol> dependsOn, Runnable runnable) {
|
|
CompletableFuture<Void> future = getMappingLoaderFuture(dependsOn)
|
|
.whenCompleteAsync((v, throwable) -> runnable.run(), mappingLoaderExecutor).exceptionally(mappingLoaderThrowable(protocolClass));
|
|
|
|
mappingLoaderLock.writeLock().lock();
|
|
try {
|
|
mappingLoaderFutures.put(protocolClass, future);
|
|
} finally {
|
|
mappingLoaderLock.writeLock().unlock();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public @Nullable CompletableFuture<Void> getMappingLoaderFuture(Class<? extends Protocol> protocolClass) {
|
|
mappingLoaderLock.readLock().lock();
|
|
try {
|
|
return mappingsLoaded ? null : mappingLoaderFutures.get(protocolClass);
|
|
} finally {
|
|
mappingLoaderLock.readLock().unlock();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public PacketWrapper createPacketWrapper(@Nullable PacketType packetType, @Nullable ByteBuf buf, UserConnection connection) {
|
|
return new PacketWrapperImpl(packetType, buf, connection);
|
|
}
|
|
|
|
@Override
|
|
@Deprecated
|
|
public PacketWrapper createPacketWrapper(int packetId, @Nullable ByteBuf buf, UserConnection connection) {
|
|
return new PacketWrapperImpl(packetId, buf, connection);
|
|
}
|
|
|
|
public void shutdownLoaderExecutor() {
|
|
Preconditions.checkArgument(!mappingsLoaded);
|
|
|
|
// If this log message is missing, something is wrong
|
|
Via.getPlatform().getLogger().info("Finished mapping loading, shutting down loader executor!");
|
|
mappingsLoaded = true;
|
|
mappingLoaderExecutor.shutdown();
|
|
mappingLoaderExecutor = null;
|
|
mappingLoaderFutures.clear();
|
|
mappingLoaderFutures = null;
|
|
|
|
// Clear cached mapping files
|
|
MappingDataLoader.clearCache();
|
|
}
|
|
|
|
private Function<Throwable, Void> mappingLoaderThrowable(Class<? extends Protocol> protocolClass) {
|
|
return throwable -> {
|
|
Via.getPlatform().getLogger().log(Level.SEVERE, "Error during mapping loading of " + protocolClass.getSimpleName(), throwable);
|
|
return null;
|
|
};
|
|
}
|
|
}
|