forked from GeyserMC/Geyser
101 lines
4.1 KiB
Java
101 lines
4.1 KiB
Java
/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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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
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* all 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
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.platform.velocity;
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import com.velocitypowered.api.event.proxy.ProxyPingEvent;
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import com.velocitypowered.api.network.ProtocolVersion;
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import com.velocitypowered.api.proxy.InboundConnection;
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import com.velocitypowered.api.proxy.ProxyServer;
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import com.velocitypowered.api.proxy.server.ServerPing;
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import lombok.AllArgsConstructor;
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import net.kyori.text.serializer.legacy.LegacyComponentSerializer;
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import org.geysermc.connector.common.ping.GeyserPingInfo;
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import org.geysermc.connector.ping.IGeyserPingPassthrough;
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import java.net.Inet4Address;
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import java.net.InetSocketAddress;
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import java.util.Optional;
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import java.util.concurrent.ExecutionException;
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@AllArgsConstructor
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public class GeyserVelocityPingPassthrough implements IGeyserPingPassthrough {
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private static final GeyserInboundConnection FAKE_INBOUND_CONNECTION = new GeyserInboundConnection();
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private final ProxyServer server;
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@Override
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public GeyserPingInfo getPingInformation() {
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ProxyPingEvent event;
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try {
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event = server.getEventManager().fire(new ProxyPingEvent(FAKE_INBOUND_CONNECTION, ServerPing.builder()
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.description(server.getConfiguration().getMotdComponent()).onlinePlayers(server.getPlayerCount())
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.maximumPlayers(server.getConfiguration().getShowMaxPlayers()).build())).get();
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} catch (ExecutionException | InterruptedException e) {
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throw new RuntimeException(e);
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}
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GeyserPingInfo geyserPingInfo = new GeyserPingInfo(
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LegacyComponentSerializer.legacy().serialize(event.getPing().getDescription(), '§'),
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new GeyserPingInfo.Players(
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event.getPing().getPlayers().orElseThrow(IllegalStateException::new).getMax(),
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event.getPing().getPlayers().orElseThrow(IllegalStateException::new).getOnline()
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),
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new GeyserPingInfo.Version(
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event.getPing().getVersion().getName(),
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event.getPing().getVersion().getProtocol()
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)
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);
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event.getPing().getPlayers().get().getSample().stream().map(ServerPing.SamplePlayer::getName).forEach(geyserPingInfo.getPlayerList()::add);
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return geyserPingInfo;
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}
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private static class GeyserInboundConnection implements InboundConnection {
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private static final InetSocketAddress FAKE_REMOTE = new InetSocketAddress(Inet4Address.getLoopbackAddress(), 69);
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@Override
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public InetSocketAddress getRemoteAddress() {
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return FAKE_REMOTE;
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}
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@Override
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public Optional<InetSocketAddress> getVirtualHost() {
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return Optional.empty();
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}
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@Override
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public boolean isActive() {
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return false;
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}
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@Override
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public ProtocolVersion getProtocolVersion() {
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return ProtocolVersion.MAXIMUM_VERSION;
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}
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}
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}
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