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Paper/paper-server/patches/sources/net/minecraft/server/dedicated/DedicatedServer.java.patch
Jake Potrebic b141cd3d99 Improve logging and errors 
Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
2022-12-14 15:52:11 -08:00

475 lines
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--- a/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/net/minecraft/server/dedicated/DedicatedServer.java
@@ -54,20 +54,31 @@
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.GameType;
-import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.entity.SkullBlockEntity;
import net.minecraft.world.level.storage.LevelStorageSource;
import org.slf4j.Logger;
+// CraftBukkit start
+import net.minecraft.server.WorldLoader;
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.io.IoBuilder;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.util.TerminalCompletionHandler;
+import org.bukkit.craftbukkit.util.TerminalConsoleWriterThread;
+import org.bukkit.event.server.ServerCommandEvent;
+import org.bukkit.event.server.RemoteServerCommandEvent;
+// CraftBukkit end
+
public class DedicatedServer extends MinecraftServer implements ServerInterface {
static final Logger LOGGER = LogUtils.getLogger();
private static final int CONVERSION_RETRY_DELAY_MS = 5000;
private static final int CONVERSION_RETRIES = 2;
- private final List<ConsoleInput> consoleInput = Collections.synchronizedList(Lists.newArrayList());
+ private final java.util.Queue<ConsoleInput> serverCommandQueue = new java.util.concurrent.ConcurrentLinkedQueue<>(); // Paper - Perf: use a proper queue
@Nullable
private QueryThreadGs4 queryThreadGs4;
- private final RconConsoleSource rconConsoleSource;
+ // private final RemoteControlCommandListener rconConsoleSource; // CraftBukkit - remove field
@Nullable
private RconThread rconThread;
public DedicatedServerSettings settings;
@@ -81,41 +92,117 @@
private DebugSampleSubscriptionTracker debugSampleSubscriptionTracker;
public ServerLinks serverLinks;
- public DedicatedServer(Thread serverThread, LevelStorageSource.LevelStorageAccess session, PackRepository dataPackManager, WorldStem saveLoader, DedicatedServerSettings propertiesLoader, DataFixer dataFixer, Services apiServices, ChunkProgressListenerFactory worldGenerationProgressListenerFactory) {
- super(serverThread, session, dataPackManager, saveLoader, Proxy.NO_PROXY, dataFixer, apiServices, worldGenerationProgressListenerFactory);
- this.settings = propertiesLoader;
- this.rconConsoleSource = new RconConsoleSource(this);
- this.serverTextFilter = ServerTextFilter.createFromConfig(propertiesLoader.getProperties());
- this.serverLinks = DedicatedServer.createServerLinks(propertiesLoader);
+ // CraftBukkit start - Signature changed
+ public DedicatedServer(joptsimple.OptionSet options, WorldLoader.DataLoadContext worldLoader, Thread thread, LevelStorageSource.LevelStorageAccess convertable_conversionsession, PackRepository resourcepackrepository, WorldStem worldstem, DedicatedServerSettings dedicatedserversettings, DataFixer datafixer, Services services, ChunkProgressListenerFactory worldloadlistenerfactory) {
+ super(options, worldLoader, thread, convertable_conversionsession, resourcepackrepository, worldstem, Proxy.NO_PROXY, datafixer, services, worldloadlistenerfactory);
+ // CraftBukkit end
+ this.settings = dedicatedserversettings;
+ // this.rconConsoleSource = new RemoteControlCommandListener(this); // CraftBukkit - remove field
+ this.serverTextFilter = ServerTextFilter.createFromConfig(dedicatedserversettings.getProperties());
+ this.serverLinks = DedicatedServer.createServerLinks(dedicatedserversettings);
}
@Override
public boolean initServer() throws IOException {
Thread thread = new Thread("Server console handler") {
public void run() {
- BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
+ // CraftBukkit start
+ if (!org.bukkit.craftbukkit.Main.useConsole) {
+ return;
+ }
+ // Paper start - Use TerminalConsoleAppender
+ new com.destroystokyo.paper.console.PaperConsole(DedicatedServer.this).start();
+ /*
+ jline.console.ConsoleReader bufferedreader = DedicatedServer.this.reader;
+ // MC-33041, SPIGOT-5538: if System.in is not valid due to javaw, then return
+ try {
+ System.in.available();
+ } catch (IOException ex) {
+ return;
+ }
+ // CraftBukkit end
+
String s;
try {
- while (!DedicatedServer.this.isStopped() && DedicatedServer.this.isRunning() && (s = bufferedreader.readLine()) != null) {
- DedicatedServer.this.handleConsoleInput(s, DedicatedServer.this.createCommandSourceStack());
+ // CraftBukkit start - JLine disabling compatibility
+ while (!DedicatedServer.this.isStopped() && DedicatedServer.this.isRunning()) {
+ if (org.bukkit.craftbukkit.Main.useJline) {
+ s = bufferedreader.readLine(">", null);
+ } else {
+ s = bufferedreader.readLine();
+ }
+
+ // SPIGOT-5220: Throttle if EOF (ctrl^d) or stdin is /dev/null
+ if (s == null) {
+ try {
+ Thread.sleep(50L);
+ } catch (InterruptedException ex) {
+ Thread.currentThread().interrupt();
+ }
+ continue;
+ }
+ if (s.trim().length() > 0) { // Trim to filter lines which are just spaces
+ DedicatedServer.this.issueCommand(s, DedicatedServer.this.getServerCommandListener());
+ }
+ // CraftBukkit end
}
} catch (IOException ioexception) {
DedicatedServer.LOGGER.error("Exception handling console input", ioexception);
}
+ */
+ // Paper end
}
};
+ // CraftBukkit start - TODO: handle command-line logging arguments
+ java.util.logging.Logger global = java.util.logging.Logger.getLogger("");
+ global.setUseParentHandlers(false);
+ for (java.util.logging.Handler handler : global.getHandlers()) {
+ global.removeHandler(handler);
+ }
+ global.addHandler(new org.bukkit.craftbukkit.util.ForwardLogHandler());
+
+ // Paper start - Not needed with TerminalConsoleAppender
+ final org.apache.logging.log4j.Logger logger = LogManager.getRootLogger();
+ /*
+ final org.apache.logging.log4j.core.Logger logger = ((org.apache.logging.log4j.core.Logger) LogManager.getRootLogger());
+ for (org.apache.logging.log4j.core.Appender appender : logger.getAppenders().values()) {
+ if (appender instanceof org.apache.logging.log4j.core.appender.ConsoleAppender) {
+ logger.removeAppender(appender);
+ }
+ }
+
+ TerminalConsoleWriterThread writerThread = new TerminalConsoleWriterThread(System.out, this.reader);
+ this.reader.setCompletionHandler(new TerminalCompletionHandler(writerThread, this.reader.getCompletionHandler()));
+ writerThread.start();
+ */
+ // Paper end - Not needed with TerminalConsoleAppender
+
+ System.setOut(IoBuilder.forLogger(logger).setLevel(Level.INFO).buildPrintStream());
+ System.setErr(IoBuilder.forLogger(logger).setLevel(Level.WARN).buildPrintStream());
+ // CraftBukkit end
+
thread.setDaemon(true);
thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(DedicatedServer.LOGGER));
- thread.start();
+ // thread.start(); // Paper - Enhance console tab completions for brigadier commands; moved down
DedicatedServer.LOGGER.info("Starting minecraft server version {}", SharedConstants.getCurrentVersion().getName());
if (Runtime.getRuntime().maxMemory() / 1024L / 1024L < 512L) {
DedicatedServer.LOGGER.warn("To start the server with more ram, launch it as \"java -Xmx1024M -Xms1024M -jar minecraft_server.jar\"");
}
+ // Paper start - detect running as root
+ if (io.papermc.paper.util.ServerEnvironment.userIsRootOrAdmin()) {
+ DedicatedServer.LOGGER.warn("****************************");
+ DedicatedServer.LOGGER.warn("YOU ARE RUNNING THIS SERVER AS AN ADMINISTRATIVE OR ROOT USER. THIS IS NOT ADVISED.");
+ DedicatedServer.LOGGER.warn("YOU ARE OPENING YOURSELF UP TO POTENTIAL RISKS WHEN DOING THIS.");
+ DedicatedServer.LOGGER.warn("FOR MORE INFORMATION, SEE https://madelinemiller.dev/blog/root-minecraft-server/");
+ DedicatedServer.LOGGER.warn("****************************");
+ }
+ // Paper end - detect running as root
+
DedicatedServer.LOGGER.info("Loading properties");
DedicatedServerProperties dedicatedserverproperties = this.settings.getProperties();
@@ -126,14 +213,50 @@
this.setPreventProxyConnections(dedicatedserverproperties.preventProxyConnections);
this.setLocalIp(dedicatedserverproperties.serverIp);
}
+ // Spigot start
+ this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage));
+ org.spigotmc.SpigotConfig.init((java.io.File) this.options.valueOf("spigot-settings"));
+ org.spigotmc.SpigotConfig.registerCommands();
+ // Spigot end
+ io.papermc.paper.util.ObfHelper.INSTANCE.getClass(); // Paper - load mappings for stacktrace deobf and etc.
+ // Paper start - initialize global and world-defaults configuration
+ this.paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
+ this.paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
+ // Paper end - initialize global and world-defaults configuration
+ // Paper start - fix converting txt to json file; convert old users earlier after PlayerList creation but before file load/save
+ if (this.convertOldUsers()) {
+ this.getProfileCache().save(false); // Paper
+ }
+ this.getPlayerList().loadAndSaveFiles(); // Must be after convertNames
+ // Paper end - fix converting txt to json file
+ org.spigotmc.WatchdogThread.doStart(org.spigotmc.SpigotConfig.timeoutTime, org.spigotmc.SpigotConfig.restartOnCrash); // Paper - start watchdog thread
+ thread.start(); // Paper - Enhance console tab completions for brigadier commands; start console thread after MinecraftServer.console & PaperConfig are initialized
+ io.papermc.paper.command.PaperCommands.registerCommands(this); // Paper - setup /paper command
+ com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics(); // Paper - start metrics
+ com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // Paper - load version history now
+ io.papermc.paper.brigadier.PaperBrigadierProviderImpl.INSTANCE.getClass(); // Paper - init PaperBrigadierProvider
this.setPvpAllowed(dedicatedserverproperties.pvp);
this.setFlightAllowed(dedicatedserverproperties.allowFlight);
this.setMotd(dedicatedserverproperties.motd);
super.setPlayerIdleTimeout((Integer) dedicatedserverproperties.playerIdleTimeout.get());
this.setEnforceWhitelist(dedicatedserverproperties.enforceWhitelist);
- this.worldData.setGameType(dedicatedserverproperties.gamemode);
+ // this.worldData.setGameType(dedicatedserverproperties.gamemode); // CraftBukkit - moved to world loading
DedicatedServer.LOGGER.info("Default game type: {}", dedicatedserverproperties.gamemode);
+ // Paper start - Unix domain socket support
+ java.net.SocketAddress bindAddress;
+ if (this.getLocalIp().startsWith("unix:")) {
+ if (!io.netty.channel.epoll.Epoll.isAvailable()) {
+ DedicatedServer.LOGGER.error("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.error("You are trying to use a Unix domain socket but you're not on a supported OS.");
+ return false;
+ } else if (!io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled && !org.spigotmc.SpigotConfig.bungee) {
+ DedicatedServer.LOGGER.error("**** INVALID CONFIGURATION!");
+ DedicatedServer.LOGGER.error("Unix domain sockets require IPs to be forwarded from a proxy.");
+ return false;
+ }
+ bindAddress = new io.netty.channel.unix.DomainSocketAddress(this.getLocalIp().substring("unix:".length()));
+ } else {
InetAddress inetaddress = null;
if (!this.getLocalIp().isEmpty()) {
@@ -143,34 +266,55 @@
if (this.getPort() < 0) {
this.setPort(dedicatedserverproperties.serverPort);
}
+ bindAddress = new java.net.InetSocketAddress(inetaddress, this.getPort());
+ }
+ // Paper end - Unix domain socket support
this.initializeKeyPair();
DedicatedServer.LOGGER.info("Starting Minecraft server on {}:{}", this.getLocalIp().isEmpty() ? "*" : this.getLocalIp(), this.getPort());
try {
- this.getConnection().startTcpServerListener(inetaddress, this.getPort());
+ this.getConnection().bind(bindAddress); // Paper - Unix domain socket support
} catch (IOException ioexception) {
DedicatedServer.LOGGER.warn("**** FAILED TO BIND TO PORT!");
DedicatedServer.LOGGER.warn("The exception was: {}", ioexception.toString());
DedicatedServer.LOGGER.warn("Perhaps a server is already running on that port?");
+ if (true) throw new IllegalStateException("Failed to bind to port", ioexception); // Paper - Propagate failed to bind to port error
return false;
}
+ // CraftBukkit start
+ // this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage)); // Spigot - moved up
+ this.server.loadPlugins();
+ this.server.enablePlugins(org.bukkit.plugin.PluginLoadOrder.STARTUP);
+ // CraftBukkit end
+
+ // Paper start - Add Velocity IP Forwarding Support
+ boolean usingProxy = org.spigotmc.SpigotConfig.bungee || io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled;
+ String proxyFlavor = (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled) ? "Velocity" : "BungeeCord";
+ String proxyLink = (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.velocity.enabled) ? "https://docs.papermc.io/velocity/security" : "http://www.spigotmc.org/wiki/firewall-guide/";
+ // Paper end - Add Velocity IP Forwarding Support
if (!this.usesAuthentication()) {
DedicatedServer.LOGGER.warn("**** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!");
DedicatedServer.LOGGER.warn("The server will make no attempt to authenticate usernames. Beware.");
- DedicatedServer.LOGGER.warn("While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.");
+ // Spigot start
+ // Paper start - Add Velocity IP Forwarding Support
+ if (usingProxy) {
+ DedicatedServer.LOGGER.warn("Whilst this makes it possible to use " + proxyFlavor + ", unless access to your server is properly restricted, it also opens up the ability for hackers to connect with any username they choose.");
+ DedicatedServer.LOGGER.warn("Please see " + proxyLink + " for further information.");
+ // Paper end - Add Velocity IP Forwarding Support
+ } else {
+ DedicatedServer.LOGGER.warn("While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.");
+ }
+ // Spigot end
DedicatedServer.LOGGER.warn("To change this, set \"online-mode\" to \"true\" in the server.properties file.");
}
- if (this.convertOldUsers()) {
- this.getProfileCache().save();
- }
if (!OldUsersConverter.serverReadyAfterUserconversion(this)) {
return false;
} else {
- this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage));
+ // this.setPlayerList(new DedicatedPlayerList(this, this.registries(), this.playerDataStorage)); // CraftBukkit - moved up
this.debugSampleSubscriptionTracker = new DebugSampleSubscriptionTracker(this.getPlayerList());
this.tickTimeLogger = new RemoteSampleLogger(TpsDebugDimensions.values().length, this.debugSampleSubscriptionTracker, RemoteDebugSampleType.TICK_TIME);
long i = Util.getNanos();
@@ -178,13 +322,13 @@
SkullBlockEntity.setup(this.services, this);
GameProfileCache.setUsesAuthentication(this.usesAuthentication());
DedicatedServer.LOGGER.info("Preparing level \"{}\"", this.getLevelIdName());
- this.loadLevel();
+ this.loadLevel(this.storageSource.getLevelId()); // CraftBukkit
long j = Util.getNanos() - i;
String s = String.format(Locale.ROOT, "%.3fs", (double) j / 1.0E9D);
DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\"", s);
if (dedicatedserverproperties.announcePlayerAchievements != null) {
- ((GameRules.BooleanValue) this.getGameRules().getRule(GameRules.RULE_ANNOUNCE_ADVANCEMENTS)).set(dedicatedserverproperties.announcePlayerAchievements, this);
+ ((GameRules.BooleanValue) this.getGameRules().getRule(GameRules.RULE_ANNOUNCE_ADVANCEMENTS)).set(dedicatedserverproperties.announcePlayerAchievements, this.overworld()); // CraftBukkit - per-world
}
if (dedicatedserverproperties.enableQuery) {
@@ -197,7 +341,7 @@
this.rconThread = RconThread.create(this);
}
- if (this.getMaxTickLength() > 0L) {
+ if (false && this.getMaxTickLength() > 0L) { // Spigot - disable
Thread thread1 = new Thread(new ServerWatchdog(this));
thread1.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandlerWithName(DedicatedServer.LOGGER));
@@ -215,6 +359,12 @@
}
}
+ // Paper start
+ public java.io.File getPluginsFolder() {
+ return (java.io.File) this.options.valueOf("plugins");
+ }
+ // Paper end
+
@Override
public boolean isSpawningMonsters() {
return this.settings.getProperties().spawnMonsters && super.isSpawningMonsters();
@@ -227,7 +377,7 @@
@Override
public void forceDifficulty() {
- this.setDifficulty(this.getProperties().difficulty, true);
+ // this.setDifficulty(this.getProperties().difficulty, true); // Paper - per level difficulty; Don't overwrite level.dat's difficulty, keep current
}
@Override
@@ -286,13 +436,14 @@
}
if (this.rconThread != null) {
- this.rconThread.stop();
+ this.rconThread.stopNonBlocking(); // Paper - don't wait for remote connections
}
if (this.queryThreadGs4 != null) {
- this.queryThreadGs4.stop();
+ // this.remoteStatusListener.stop(); // Paper - don't wait for remote connections
}
+ System.exit(0); // CraftBukkit
}
@Override
@@ -302,19 +453,29 @@
}
@Override
- public boolean isLevelEnabled(Level world) {
- return world.dimension() == Level.NETHER ? this.getProperties().allowNether : true;
+ public boolean isLevelEnabled(net.minecraft.world.level.Level world) {
+ return world.dimension() == net.minecraft.world.level.Level.NETHER ? this.getProperties().allowNether : true;
}
public void handleConsoleInput(String command, CommandSourceStack commandSource) {
- this.consoleInput.add(new ConsoleInput(command, commandSource));
+ this.serverCommandQueue.add(new ConsoleInput(command, commandSource)); // Paper - Perf: use proper queue
}
public void handleConsoleInputs() {
- while (!this.consoleInput.isEmpty()) {
- ConsoleInput servercommand = (ConsoleInput) this.consoleInput.remove(0);
+ // Paper start - Perf: use proper queue
+ ConsoleInput servercommand;
+ while ((servercommand = this.serverCommandQueue.poll()) != null) {
+ // Paper end - Perf: use proper queue
- this.getCommands().performPrefixedCommand(servercommand.source, servercommand.msg);
+ // CraftBukkit start - ServerCommand for preprocessing
+ ServerCommandEvent event = new ServerCommandEvent(this.console, servercommand.msg);
+ this.server.getPluginManager().callEvent(event);
+ if (event.isCancelled()) continue;
+ servercommand = new ConsoleInput(event.getCommand(), servercommand.source);
+
+ // this.getCommands().performPrefixedCommand(servercommand.source, servercommand.msg); // Called in dispatchServerCommand
+ this.server.dispatchServerCommand(this.console, servercommand);
+ // CraftBukkit end
}
}
@@ -383,7 +544,7 @@
@Override
public boolean isUnderSpawnProtection(ServerLevel world, BlockPos pos, Player player) {
- if (world.dimension() != Level.OVERWORLD) {
+ if (world.dimension() != net.minecraft.world.level.Level.OVERWORLD) {
return false;
} else if (this.getPlayerList().getOps().isEmpty()) {
return false;
@@ -453,7 +614,11 @@
public boolean enforceSecureProfile() {
DedicatedServerProperties dedicatedserverproperties = this.getProperties();
- return dedicatedserverproperties.enforceSecureProfile && dedicatedserverproperties.onlineMode && this.services.canValidateProfileKeys();
+ // Paper start - Add setting for proxy online mode status
+ return dedicatedserverproperties.enforceSecureProfile
+ && io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode()
+ && this.services.canValidateProfileKeys();
+ // Paper end - Add setting for proxy online mode status
}
@Override
@@ -541,16 +706,52 @@
@Override
public String getPluginNames() {
- return "";
+ // CraftBukkit start - Whole method
+ StringBuilder result = new StringBuilder();
+ org.bukkit.plugin.Plugin[] plugins = this.server.getPluginManager().getPlugins();
+
+ result.append(this.server.getName());
+ result.append(" on Bukkit ");
+ result.append(this.server.getBukkitVersion());
+
+ if (plugins.length > 0 && this.server.getQueryPlugins()) {
+ result.append(": ");
+
+ for (int i = 0; i < plugins.length; i++) {
+ if (i > 0) {
+ result.append("; ");
+ }
+
+ result.append(plugins[i].getDescription().getName());
+ result.append(" ");
+ result.append(plugins[i].getDescription().getVersion().replaceAll(";", ","));
+ }
+ }
+
+ return result.toString();
+ // CraftBukkit end
}
@Override
public String runCommand(String command) {
- this.rconConsoleSource.prepareForCommand();
+ // CraftBukkit start - fire RemoteServerCommandEvent
+ throw new UnsupportedOperationException("Not supported - remote source required.");
+ }
+
+ public String runCommand(RconConsoleSource rconConsoleSource, String s) {
+ rconConsoleSource.prepareForCommand();
this.executeBlocking(() -> {
- this.getCommands().performPrefixedCommand(this.rconConsoleSource.createCommandSourceStack(), command);
+ CommandSourceStack wrapper = rconConsoleSource.createCommandSourceStack();
+ RemoteServerCommandEvent event = new RemoteServerCommandEvent(rconConsoleSource.getBukkitSender(wrapper), s);
+ this.server.getPluginManager().callEvent(event);
+ if (event.isCancelled()) {
+ return;
+ }
+ ConsoleInput serverCommand = new ConsoleInput(event.getCommand(), wrapper);
+ this.server.dispatchServerCommand(event.getSender(), serverCommand);
});
- return this.rconConsoleSource.getCommandResponse();
+ return rconConsoleSource.getCommandResponse();
+ // CraftBukkit end
}
public void storeUsingWhiteList(boolean useWhitelist) {
@@ -660,4 +861,15 @@
}
}
}
+
+ // CraftBukkit start
+ public boolean isDebugging() {
+ return this.getProperties().debug;
+ }
+
+ @Override
+ public CommandSender getBukkitSender(CommandSourceStack wrapper) {
+ return this.console;
+ }
+ // CraftBukkit end
}
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