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Ensure old Paper builds can still use ping passthrough

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Camotoy 2022-06-22 22:18:32 -04:00
parent 3a5e5fe9f0
commit 23923d734f
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GPG key ID: 7EEFB66FE798081F
3 changed files with 110 additions and 7 deletions
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17
bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/GeyserPaperPingPassthrough.java
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@ -35,6 +35,7 @@ import org.geysermc.geyser.ping.IGeyserPingPassthrough;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.lang.reflect.Constructor;
import java.net.InetSocketAddress;
/**
@ -42,6 +43,8 @@ import java.net.InetSocketAddress;
* applied.
*/
public final class GeyserPaperPingPassthrough implements IGeyserPingPassthrough {
private static final Constructor<PaperServerListPingEvent> OLD_CONSTRUCTOR = ReflectedNames.getOldPaperPingConstructor();
private final GeyserSpigotLogger logger;
public GeyserPaperPingPassthrough(GeyserSpigotLogger logger) {
@ -54,9 +57,17 @@ public final class GeyserPaperPingPassthrough implements IGeyserPingPassthrough
try {
// We'd rather *not* use deprecations here, but unfortunately any Adventure class would be relocated at
// runtime because we still have to shade in our own Adventure class. For now.
PaperServerListPingEvent event = new PaperServerListPingEvent(new GeyserStatusClient(inetSocketAddress),
Bukkit.getMotd(), Bukkit.shouldSendChatPreviews(), Bukkit.getOnlinePlayers().size(),
Bukkit.getMaxPlayers(), Bukkit.getVersion(), MinecraftProtocol.getJavaProtocolVersion(), null);
PaperServerListPingEvent event;
if (OLD_CONSTRUCTOR != null) {
// Approximately pre-1.19
event = OLD_CONSTRUCTOR.newInstance(new GeyserStatusClient(inetSocketAddress),
Bukkit.getMotd(), Bukkit.getOnlinePlayers().size(),
Bukkit.getMaxPlayers(), Bukkit.getVersion(), MinecraftProtocol.getJavaProtocolVersion(), null);
} else {
event = new PaperServerListPingEvent(new GeyserStatusClient(inetSocketAddress),
Bukkit.getMotd(), Bukkit.shouldSendChatPreviews(), Bukkit.getOnlinePlayers().size(),
Bukkit.getMaxPlayers(), Bukkit.getVersion(), MinecraftProtocol.getJavaProtocolVersion(), null);
}
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled()) {
// We have to send a ping, so not really sure what else to do here.

10
bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/GeyserSpigotPlugin.java
View file

@ -167,14 +167,16 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
if (geyserConfig.isLegacyPingPassthrough()) {
this.geyserSpigotPingPassthrough = GeyserLegacyPingPassthrough.init(geyser);
} else {
try {
Class.forName("com.destroystokyo.paper.event.server.PaperServerListPingEvent");
if (ReflectedNames.checkPaperPingEvent()) {
this.geyserSpigotPingPassthrough = new GeyserPaperPingPassthrough(geyserLogger);
} catch (ClassNotFoundException e) {
} else if (ReflectedNames.newSpigotPingConstructorExists()) {
this.geyserSpigotPingPassthrough = new GeyserSpigotPingPassthrough(geyserLogger);
} else {
// Can't enable one of the other options
this.geyserSpigotPingPassthrough = GeyserLegacyPingPassthrough.init(geyser);
}
}
geyserLogger.debug("Spigot ping passthrough type: " + (this.geyserSpigotPingPassthrough == null ? null : this.geyserSpigotPingPassthrough.getClass()));
geyserLogger.info("Spigot ping passthrough type: " + (this.geyserSpigotPingPassthrough == null ? null : this.geyserSpigotPingPassthrough.getClass()));
this.geyserCommandManager = new GeyserSpigotCommandManager(geyser);

90
bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/ReflectedNames.java Normal file
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@ -0,0 +1,90 @@
/*
* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.platform.spigot;
import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
import com.destroystokyo.paper.network.StatusClient;
import org.bukkit.event.server.ServerListPingEvent;
import org.bukkit.util.CachedServerIcon;
import javax.annotation.Nullable;
import java.lang.reflect.Constructor;
import java.net.InetAddress;
/**
* A utility class for checking on the existence of classes, constructors, fields, methods
*/
public final class ReflectedNames {
static boolean checkPaperPingEvent() {
return classExists("com.destroystokyo.paper.event.server.PaperServerListPingEvent");
}
/**
* @return if this class name exists
*/
private static boolean classExists(String clazz) {
try {
Class.forName(clazz);
return true;
} catch (ClassNotFoundException e) {
return false;
}
}
static boolean newSpigotPingConstructorExists() {
return getConstructor(ServerListPingEvent.class, InetAddress.class, String.class, boolean.class, int.class, int.class) != null;
}
static Constructor<PaperServerListPingEvent> getOldPaperPingConstructor() {
if (getConstructor(PaperServerListPingEvent.class, StatusClient.class, String.class, boolean.class, int.class,
int.class, String.class, int.class, CachedServerIcon.class) != null) {
// @NotNull StatusClient client, @NotNull String motd, boolean shouldSendChatPreviews, int numPlayers, int maxPlayers,
// @NotNull String version, int protocolVersion, @Nullable CachedServerIcon favicon
// New constructor is present
return null;
}
// @NotNull StatusClient client, @NotNull String motd, int numPlayers, int maxPlayers,
// @NotNull String version, int protocolVersion, @Nullable CachedServerIcon favicon
return getConstructor(PaperServerListPingEvent.class, StatusClient.class, String.class, int.class, int.class,
String.class, int.class, CachedServerIcon.class);
}
/**
* @return if this class has a constructor with the specified arguments
*/
@Nullable
private static <T> Constructor<T> getConstructor(Class<T> clazz, Class<?>... args) {
try {
return clazz.getConstructor(args);
} catch (NoSuchMethodException e) {
return null;
}
}
private ReflectedNames() {
}
}