Add module for Paper

settings.gradle

@@ -25,6 +25,7 @@ include (
         'spark-api',
         'spark-common',
         'spark-bukkit',
+        'spark-paper',
         'spark-bungeecord',
         'spark-velocity',
         'spark-velocity4',

spark-common/src/main/java/me/lucko/spark/common/sampler/async/AsyncProfilerAccess.java

@@ -159,7 +159,7 @@ private static AsyncProfiler load(SparkPlatform platform) throws Exception {
         }
 
         // extract the profiler binary from the spark jar file
-        String resource = "spark/" + libPath + "/libasyncProfiler.so";
+        String resource = "spark-native/" + libPath + "/libasyncProfiler.so";
         URL profilerResource = AsyncProfilerAccess.class.getClassLoader().getResource(resource);
         if (profilerResource == null) {
             throw new IllegalStateException("Could not find " + resource + " in spark jar file");

spark-paper/build.gradle

@@ -0,0 +1,73 @@
+plugins {
+    id 'io.github.goooler.shadow' version '8.1.7'
+    id 'maven-publish'
+}
+
+tasks.withType(JavaCompile) {
+    // override, compile targeting J21
+    options.release = 21
+}
+
+tasks.jar {
+    archiveClassifier = 'original'
+}
+
+dependencies {
+    implementation project(':spark-common')
+    compileOnly 'io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT'
+}
+
+repositories {
+    maven { url "https://repo.papermc.io/repository/maven-public/" }
+}
+
+shadowJar {
+    archiveFileName = "spark-${project.pluginVersion}-paper.jar"
+    archiveClassifier = ''
+
+    dependencies {
+        exclude(dependency('net.kyori:^(?!adventure-text-feature-pagination).+$'))
+        exclude(dependency('net.bytebuddy:byte-buddy-agent'))
+    }
+
+    relocate 'net.kyori.adventure.text.feature.pagination', 'me.lucko.spark.paper.lib.adventure.pagination'
+    relocate 'com.google.protobuf', 'me.lucko.spark.paper.lib.protobuf'
+    relocate 'org.objectweb.asm', 'me.lucko.spark.paper.lib.asm'
+    relocate 'one.profiler', 'me.lucko.spark.paper.lib.asyncprofiler'
+    relocate 'me.lucko.bytesocks.client', 'me.lucko.spark.paper.lib.bytesocks'
+    relocate 'org.java_websocket', 'me.lucko.spark.paper.lib.bytesocks.ws'
+
+    // nest common classes beneath the paper package to avoid conflicts with spark-bukkit
+    relocate 'me.lucko.spark.common', 'me.lucko.spark.paper.common'
+    relocate 'me.lucko.spark.proto', 'me.lucko.spark.paper.proto'
+    relocate 'spark-native', 'spark-paper-native'
+
+    exclude 'module-info.class'
+    exclude 'META-INF/maven/**'
+    exclude 'META-INF/proguard/**'
+    exclude '**/*.proto'
+    exclude '**/*.proto.bin'
+}
+
+artifacts {
+    archives shadowJar
+    shadow shadowJar
+}
+
+publishing {
+    //repositories {
+    //    maven {
+    //        url = 'https://oss.sonatype.org/content/repositories/snapshots'
+    //        credentials {
+    //            username = sonatypeUsername
+    //            password = sonatypePassword
+    //        }
+    //    }
+    //}
+    publications {
+        shadow(MavenPublication) { publication ->
+            project.shadow.component(publication)
+            version = "${project.pluginVersion}-SNAPSHOT"
+        }
+    }
+}

spark-paper/src/main/java/me/lucko/spark/paper/PaperClassSourceLookup.java

@@ -0,0 +1,61 @@
+/*
+ * This file is part of spark.
+ *
+ *  Copyright (c) lucko (Luck) <[email protected]>
+ *  Copyright (c) contributors
+ *
+ *  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 me.lucko.spark.paper;
+
+import me.lucko.spark.common.sampler.source.ClassSourceLookup;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.lang.reflect.Field;
+
+public class PaperClassSourceLookup extends ClassSourceLookup.ByClassLoader {
+    private static final Class<?> PLUGIN_CLASS_LOADER;
+    private static final Field PLUGIN_FIELD;
+
+    private static final Class<?> PAPER_PLUGIN_CLASS_LOADER;
+    private static final Field PAPER_PLUGIN_FIELD;
+
+    static {
+        try {
+            PLUGIN_CLASS_LOADER = Class.forName("org.bukkit.plugin.java.PluginClassLoader");
+            PLUGIN_FIELD = PLUGIN_CLASS_LOADER.getDeclaredField("plugin");
+            PLUGIN_FIELD.setAccessible(true);
+
+            PAPER_PLUGIN_CLASS_LOADER = Class.forName("io.papermc.paper.plugin.entrypoint.classloader.PaperPluginClassLoader");
+            PAPER_PLUGIN_FIELD = PAPER_PLUGIN_CLASS_LOADER.getDeclaredField("loadedJavaPlugin");
+            PAPER_PLUGIN_FIELD.setAccessible(true);
+        } catch (ReflectiveOperationException e) {
+            throw new ExceptionInInitializerError(e);
+        }
+    }
+
+    @Override
+    public String identify(ClassLoader loader) throws ReflectiveOperationException {
+        if (PLUGIN_CLASS_LOADER.isInstance(loader)) {
+            JavaPlugin plugin = (JavaPlugin) PLUGIN_FIELD.get(loader);
+            return plugin.getName();
+        } else if (PAPER_PLUGIN_CLASS_LOADER.isInstance(loader)) {
+            JavaPlugin plugin = (JavaPlugin) PAPER_PLUGIN_FIELD.get(loader);
+            return plugin.getName();
+        }
+        return null;
+    }
+}
+

spark-paper/src/main/java/me/lucko/spark/paper/PaperCommandSender.java

@@ -0,0 +1,58 @@
+/*
+ * This file is part of spark.
+ *
+ *  Copyright (c) lucko (Luck) <[email protected]>
+ *  Copyright (c) contributors
+ *
+ *  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 me.lucko.spark.paper;
+
+import me.lucko.spark.common.command.sender.AbstractCommandSender;
+import net.kyori.adventure.text.Component;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.UUID;
+
+public class PaperCommandSender extends AbstractCommandSender<CommandSender> {
+
+    public PaperCommandSender(CommandSender sender) {
+        super(sender);
+    }
+
+    @Override
+    public String getName() {
+        return this.delegate.getName();
+    }
+
+    @Override
+    public UUID getUniqueId() {
+        if (super.delegate instanceof Player player) {
+            return player.getUniqueId();
+        }
+        return null;
+    }
+
+    @Override
+    public void sendMessage(Component message) {
+        super.delegate.sendMessage(message);
+    }
+
+    @Override
+    public boolean hasPermission(String permission) {
+        return super.delegate.hasPermission(permission);
+    }
+}

spark-paper/src/main/java/me/lucko/spark/paper/PaperPlatformInfo.java

@@ -0,0 +1,53 @@
+/*
+ * This file is part of spark.
+ *
+ *  Copyright (c) lucko (Luck) <[email protected]>
+ *  Copyright (c) contributors
+ *
+ *  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 me.lucko.spark.paper;
+
+import io.papermc.paper.ServerBuildInfo;
+import me.lucko.spark.common.platform.PlatformInfo;
+
+public enum PaperPlatformInfo implements PlatformInfo {
+    INSTANCE;
+
+    @Override
+    public Type getType() {
+        return Type.SERVER;
+    }
+
+    @Override
+    public String getName() {
+        return "Bukkit"; // TODO: change to Paper and update viewer code accordingly
+    }
+
+    @Override
+    public String getBrand() {
+        return ServerBuildInfo.buildInfo().brandName();
+    }
+
+    @Override
+    public String getVersion() {
+        return ServerBuildInfo.buildInfo().asString(ServerBuildInfo.StringRepresentation.VERSION_SIMPLE);
+    }
+
+    @Override
+    public String getMinecraftVersion() {
+        return ServerBuildInfo.buildInfo().minecraftVersionId();
+    }
+}

spark-paper/src/main/java/me/lucko/spark/paper/PaperPlayerPingProvider.java

@@ -0,0 +1,45 @@
+/*
+ * This file is part of spark.
+ *
+ *  Copyright (c) lucko (Luck) <[email protected]>
+ *  Copyright (c) contributors
+ *
+ *  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 me.lucko.spark.paper;
+
+import com.google.common.collect.ImmutableMap;
+import me.lucko.spark.common.monitor.ping.PlayerPingProvider;
+import org.bukkit.Server;
+import org.bukkit.entity.Player;
+
+import java.util.Map;
+
+public class PaperPlayerPingProvider implements PlayerPingProvider {
+    private final Server server;
+
+    public PaperPlayerPingProvider(Server server) {
+        this.server = server;
+    }
+
+    @Override
+    public Map<String, Integer> poll() {
+        ImmutableMap.Builder<String, Integer> builder = ImmutableMap.builder();
+        for (Player player : this.server.getOnlinePlayers()) {
+            builder.put(player.getName(), player.getPing());
+        }
+        return builder.build();
+    }
+}