Paper/nms-patches/DedicatedServer.patch

--- a/net/minecraft/server/DedicatedServer.java
+++ b/net/minecraft/server/DedicatedServer.java
@@ -23,6 +23,17 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+// CraftBukkit start
+import java.io.PrintStream;
+import org.apache.logging.log4j.Level;
+
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.LoggerOutputStream;
+import org.bukkit.event.server.ServerCommandEvent;
+import org.bukkit.craftbukkit.util.Waitable;
+import org.bukkit.event.server.RemoteServerCommandEvent;
+// CraftBukkit end
+
 public class DedicatedServer extends MinecraftServer implements IMinecraftServer {
 
     private static final Logger LOGGER = LogManager.getLogger();
@@ -37,8 +48,10 @@
     private EnumGamemode p;
     private boolean q;
 
-    public DedicatedServer(File file, DataFixer datafixer, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
-        super(file, Proxy.NO_PROXY, datafixer, new CommandDispatcher(true), yggdrasilauthenticationservice, minecraftsessionservice, gameprofilerepository, usercache);
+    // CraftBukkit start - Signature changed
+    public DedicatedServer(joptsimple.OptionSet options, DataFixer datafixer, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
+        super(options, Proxy.NO_PROXY, datafixer, new CommandDispatcher().init(true), yggdrasilauthenticationservice, minecraftsessionservice, gameprofilerepository, usercache);
+        // CraftBukkit end
         Thread thread = new Thread("Server Infinisleeper") {
             {
                 this.setDaemon(true);
@@ -58,16 +71,30 @@
         };
     }
 
-    protected boolean init() throws IOException {
+    public boolean init() throws IOException { // CraftBukkit - decompile error
         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;
+                }
+                jline.console.ConsoleReader bufferedreader = reader;
+                // CraftBukkit end
 
                 String s;
 
                 try {
-                    while (!DedicatedServer.this.isStopped() && DedicatedServer.this.isRunning() && (s = bufferedreader.readLine()) != null) {
-                        DedicatedServer.this.issueCommand(s, DedicatedServer.this.getServerCommandListener());
+                    // 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();
+                        }
+                        if (s != null && 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);
@@ -76,6 +103,27 @@
             }
         };
 
+        // 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());
+
+        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);
+            }
+        }
+
+        new Thread(new org.bukkit.craftbukkit.util.TerminalConsoleWriterThread(System.out, this.reader)).start();
+
+        System.setOut(new PrintStream(new LoggerOutputStream(logger, Level.INFO), true));
+        System.setErr(new PrintStream(new LoggerOutputStream(logger, Level.WARN), true));
+        // CraftBukkit end
+
         thread.setDaemon(true);
         thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(DedicatedServer.LOGGER));
         thread.start();
@@ -85,7 +133,7 @@
         }
 
         DedicatedServer.LOGGER.info("Loading properties");
-        this.propertyManager = new PropertyManager(new File("server.properties"));
+        this.propertyManager = new PropertyManager(this.options); // CraftBukkit - CLI argument support
         this.eula = new EULA(new File("eula.txt"));
         if (!this.eula.a()) {
             DedicatedServer.LOGGER.info("You need to agree to the EULA in order to run the server. Go to eula.txt for more info.");
@@ -143,6 +191,12 @@
                 return false;
             }
 
+            // CraftBukkit start
+            this.a((PlayerList) (new DedicatedPlayerList(this)));
+            server.loadPlugins();
+            server.enablePlugins(org.bukkit.plugin.PluginLoadOrder.STARTUP);
+            // CraftBukkit end
+
             if (!this.getOnlineMode()) {
                 DedicatedServer.LOGGER.warn("**** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!");
                 DedicatedServer.LOGGER.warn("The server will make no attempt to authenticate usernames. Beware.");
@@ -157,7 +211,7 @@
             if (!NameReferencingFileConverter.a(this.propertyManager)) {
                 return false;
             } else {
-                this.a((PlayerList) (new DedicatedPlayerList(this)));
+                this.convertable = new WorldLoaderServer(server.getWorldContainer().toPath(), server.getWorldContainer().toPath().resolve("../backups"), this.dataConverterManager); // CraftBukkit - moved from MinecraftServer constructor
                 long j = SystemUtils.getMonotonicNanos();
 
                 if (this.getWorld() == null) {
@@ -204,7 +258,13 @@
                 if (worldtype == WorldType.FLAT) {
                     jsonobject.addProperty("flat_world_options", s2);
                 } else if (!s2.isEmpty()) {
-                    jsonobject = ChatDeserializer.a(s2);
+                    // CraftBukkit start
+                    try {
+                        jsonobject = ChatDeserializer.a(s2);
+                    } catch (Exception ex) {
+                        DedicatedServer.LOGGER.warn("Invalid generator-settings, ignoring", ex);
+                    }
+                    // CraftBukkit end
                 }
 
                 this.a(this.getWorld(), this.getWorld(), k, worldtype, jsonobject);
@@ -228,8 +288,19 @@
                     DedicatedServer.LOGGER.info("Starting remote control listener");
                     this.l = new RemoteControlListener(this);
                     this.l.a();
+                    this.remoteConsole = new org.bukkit.craftbukkit.command.CraftRemoteConsoleCommandSender(this.remoteControlCommandListener); // CraftBukkit
                 }
 
+                // CraftBukkit start
+                if (this.server.getBukkitSpawnRadius() > -1) {
+                    DedicatedServer.LOGGER.info("'settings.spawn-radius' in bukkit.yml has been moved to 'spawn-protection' in server.properties. I will move your config for you.");
+                    this.propertyManager.properties.remove("spawn-protection");
+                    this.propertyManager.getInt("spawn-protection", this.server.getBukkitSpawnRadius());
+                    this.server.removeBukkitSpawnRadius();
+                    this.propertyManager.savePropertiesFile();
+                }
+                // CraftBukkit end
+
                 if (this.getMaxTickTime() > 0L) {
                     Thread thread1 = new Thread(new ThreadWatchdog(this));
 
@@ -303,11 +374,11 @@
         return crashreport;
     }
 
-    protected void t() {
+    public void t() { // CraftBukkit - decompile error
         System.exit(0);
     }
 
-    protected void b(BooleanSupplier booleansupplier) {
+    public void b(BooleanSupplier booleansupplier) { // CraftBukkit - fix decompile error
         super.b(booleansupplier);
         this.handleCommandQueue();
     }
@@ -342,7 +413,15 @@
         while (!this.serverCommandQueue.isEmpty()) {
             ServerCommand servercommand = (ServerCommand) this.serverCommandQueue.remove(0);
 
-            this.getCommandDispatcher().a(servercommand.source, servercommand.command);
+            // CraftBukkit start - ServerCommand for preprocessing
+            ServerCommandEvent event = new ServerCommandEvent(console, servercommand.command);
+            server.getPluginManager().callEvent(event);
+            if (event.isCancelled()) continue;
+            servercommand = new ServerCommand(event.getCommand(), servercommand.source);
+
+            // this.getCommandDispatcher().a(servercommand.source, servercommand.command); // Called in dispatchServerCommand
+            server.dispatchServerCommand(console, servercommand);
+            // CraftBukkit end
         }
 
     }
@@ -549,12 +628,71 @@
     }
 
     public String getPlugins() {
-        return "";
+        // CraftBukkit start - Whole method
+        StringBuilder result = new StringBuilder();
+        org.bukkit.plugin.Plugin[] plugins = server.getPluginManager().getPlugins();
+
+        result.append(server.getName());
+        result.append(" on Bukkit ");
+        result.append(server.getBukkitVersion());
+
+        if (plugins.length > 0 && 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
+    }
+
+    // CraftBukkit start - fire RemoteServerCommandEvent
+    public String executeRemoteCommand(final String s) {
+        Waitable<String> waitable = new Waitable<String>() {
+            @Override
+            protected String evaluate() {
+                remoteControlCommandListener.clearMessages();
+                // Event changes start
+                RemoteServerCommandEvent event = new RemoteServerCommandEvent(remoteConsole, s);
+                server.getPluginManager().callEvent(event);
+                if (event.isCancelled()) {
+                    return "";
+                }
+                // Event change end
+                ServerCommand serverCommand = new ServerCommand(event.getCommand(), remoteControlCommandListener.f());
+                server.dispatchServerCommand(remoteConsole, serverCommand);
+                return remoteControlCommandListener.getMessages();
+            }
+        };
+        processQueue.add(waitable);
+        try {
+            return waitable.get();
+        } catch (java.util.concurrent.ExecutionException e) {
+            throw new RuntimeException("Exception processing rcon command " + s, e.getCause());
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt(); // Maintain interrupted state
+            throw new RuntimeException("Interrupted processing rcon command " + s, e);
+        }
+        // CraftBukkit end
+    }
+
+    // CraftBukkit start
+    @Override
+    public PropertyManager getPropertyManager() {
+        return this.propertyManager;
     }
 
-    public String executeRemoteCommand(String s) {
-        this.remoteControlCommandListener.clearMessages();
-        this.getCommandDispatcher().a(this.remoteControlCommandListener.f(), s);
-        return this.remoteControlCommandListener.getMessages();
+    @Override
+    public CommandSender getBukkitSender(CommandListenerWrapper wrapper) {
+        return console;
     }
+    // CraftBukkit end
 }