107 lines
3.9 KiB
Java
107 lines
3.9 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 ViaVersion and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.viaversion.viaversion.connection;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.ConnectionManager;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import io.netty.channel.ChannelFutureListener;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import java.util.Collections;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.UUID;
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import java.util.concurrent.ConcurrentHashMap;
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public class ConnectionManagerImpl implements ConnectionManager {
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protected final Map<UUID, UserConnection> clients = new ConcurrentHashMap<>();
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protected final Set<UserConnection> connections = Collections.newSetFromMap(new ConcurrentHashMap<>());
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@Override
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public void onLoginSuccess(UserConnection connection) {
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Objects.requireNonNull(connection, "connection is null!");
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connections.add(connection);
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if (isFrontEnd(connection)) {
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UUID id = connection.getProtocolInfo().getUuid();
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if (clients.put(id, connection) != null) {
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Via.getPlatform().getLogger().warning("Duplicate UUID on frontend connection! (" + id + ")");
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}
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}
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if (connection.getChannel() != null) {
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connection.getChannel().closeFuture().addListener((ChannelFutureListener) future -> onDisconnect(connection));
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}
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}
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@Override
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public void onDisconnect(UserConnection connection) {
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Objects.requireNonNull(connection, "connection is null!");
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connections.remove(connection);
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if (isFrontEnd(connection)) {
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UUID id = connection.getProtocolInfo().getUuid();
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clients.remove(id);
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}
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}
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@Override
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public boolean isFrontEnd(UserConnection connection) {
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return !connection.isClientSide();
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}
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@Override
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public Map<UUID, UserConnection> getConnectedClients() {
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return Collections.unmodifiableMap(clients);
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}
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@Override
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public @Nullable UserConnection getConnectedClient(UUID clientIdentifier) {
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return clients.get(clientIdentifier);
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}
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@Override
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public @Nullable UUID getConnectedClientId(UserConnection connection) {
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if (connection.getProtocolInfo() == null) return null;
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UUID uuid = connection.getProtocolInfo().getUuid();
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UserConnection client = clients.get(uuid);
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if (connection.equals(client)) {
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// This is frontend
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return uuid;
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}
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return null;
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}
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@Override
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public Set<UserConnection> getConnections() {
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return Collections.unmodifiableSet(connections);
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}
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@Override
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public boolean isClientConnected(UUID playerId) {
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return clients.containsKey(playerId);
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}
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}
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