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Paper/Spigot-Server-Patches/0002-Paper-config-files.patch
Zach Brown 5938592845
Port Sponge's heap dump command feature to Paper 
To dump the server heap, run the following command:
`/paper heap`

This is added with the intent that it is useful for administrators and
developers to more easily identify and resolve memory leaks. Both by examining
these dumps themselves and by more easily allowing them to send them to
knowledgable parties.

This is a nearly line-for-line port of the same Sponge feature. So all
credit for the idea and implementation belongs to the that team.

Specifically the following commits:
be08be04b0
5e10a1b795
2017-07-15 18:59:18 -05:00

487 Zeilen
20 KiB
Diff
Originalformat Blame Verlauf

From fd7aa7456ea06e3fc65cc8ad065d2d4d4ed690ab Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 21:02:09 -0600
Subject: [PATCH] Paper config files
diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
new file mode 100644
index 000000000..cd67ab2bb
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -0,0 +1,72 @@
+package com.destroystokyo.paper;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.WorldServer;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftServer;
+
+import java.io.File;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class PaperCommand extends Command {
+
+ public PaperCommand(String name) {
+ super(name);
+ this.description = "Paper related commands";
+ this.usageMessage = "/paper [heap | reload | version]";
+ this.setPermission("bukkit.command.paper");
+ }
+
+ @Override
+ public boolean execute(CommandSender sender, String commandLabel, String[] args) {
+ if (!testPermission(sender)) return true;
+
+ if (args.length != 1) {
+ sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
+ return false;
+ }
+
+ switch (args[0]) {
+ case "heap":
+ dumpHeap(sender);
+ break;
+ case "reload":
+ doReload(sender);
+ break;
+ case "ver":
+ case "version":
+ org.bukkit.Bukkit.getServer().getCommandMap().getCommand("version").execute(sender, commandLabel, new String[0]);
+ break;
+ default:
+ sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
+ return false;
+ }
+
+ return true;
+ }
+
+ private void dumpHeap(CommandSender sender) {
+ File file = new File(new File(new File("."), "dumps"),
+ "heap-dump-" + DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss").format(LocalDateTime.now()) + "-server.bin");
+ Command.broadcastCommandMessage(sender, ChatColor.YELLOW + "Writing JVM heap data to " + file);
+ CraftServer.dumpHeap(file);
+ Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Heap dump complete");
+ }
+
+ private void doReload(CommandSender sender) {
+ Command.broadcastCommandMessage(sender, ChatColor.RED + "Please note that this command is not supported and may cause issues.");
+ Command.broadcastCommandMessage(sender, ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
+
+ MinecraftServer console = MinecraftServer.getServer();
+ com.destroystokyo.paper.PaperConfig.init((File) console.options.valueOf("paper-settings"));
+ for (WorldServer world : console.worlds) {
+ world.paperConfig.init();
+ }
+ console.server.reloadCount++;
+
+ Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Paper config reload complete.");
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
new file mode 100644
index 000000000..3d8ee9ed3
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -0,0 +1,173 @@
+package com.destroystokyo.paper;
+
+import com.google.common.base.Throwables;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.regex.Pattern;
+
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+public class PaperConfig {
+
+ private static File CONFIG_FILE;
+ private static final String HEADER = "This is the main configuration file for Paper.\n"
+ + "As you can see, there's tons to configure. Some options may impact gameplay, so use\n"
+ + "with caution, and make sure you know what each option does before configuring.\n"
+ + "\n"
+ + "If you need help with the configuration or have any questions related to Paper,\n"
+ + "join us in our IRC channel.\n"
+ + "\n"
+ + "IRC: #paper @ irc.spi.gt ( http://irc.spi.gt/iris/?channels=paper )\n"
+ + "Wiki: https://paper.readthedocs.org/ \n"
+ + "Paper Forums: https://aquifermc.org/ \n";
+ /*========================================================================*/
+ public static YamlConfiguration config;
+ static int version;
+ static Map<String, Command> commands;
+ private static boolean verbose;
+ /*========================================================================*/
+
+ public static void init(File configFile) {
+ CONFIG_FILE = configFile;
+ config = new YamlConfiguration();
+ try {
+ config.load(CONFIG_FILE);
+ } catch (IOException ex) {
+ } catch (InvalidConfigurationException ex) {
+ Bukkit.getLogger().log(Level.SEVERE, "Could not load paper.yml, please correct your syntax errors", ex);
+ throw Throwables.propagate(ex);
+ }
+ config.options().header(HEADER);
+ config.options().copyDefaults(true);
+ verbose = getBoolean("verbose", false);
+
+ commands = new HashMap<String, Command>();
+ commands.put("paper", new PaperCommand("paper"));
+
+ version = getInt("config-version", 13);
+ set("config-version", 13);
+ readConfig(PaperConfig.class, null);
+ }
+
+ protected static void log(String s) {
+ if (verbose) {
+ Bukkit.getLogger().info(s);
+ }
+ }
+
+ public static void registerCommands() {
+ for (Map.Entry<String, Command> entry : commands.entrySet()) {
+ MinecraftServer.getServer().server.getCommandMap().register(entry.getKey(), "Paper", entry.getValue());
+ }
+ }
+
+ static void readConfig(Class<?> clazz, Object instance) {
+ for (Method method : clazz.getDeclaredMethods()) {
+ if (Modifier.isPrivate(method.getModifiers())) {
+ if (method.getParameterTypes().length == 0 && method.getReturnType() == Void.TYPE) {
+ try {
+ method.setAccessible(true);
+ method.invoke(instance);
+ } catch (InvocationTargetException ex) {
+ throw Throwables.propagate(ex.getCause());
+ } catch (Exception ex) {
+ Bukkit.getLogger().log(Level.SEVERE, "Error invoking " + method, ex);
+ }
+ }
+ }
+ }
+
+ try {
+ config.save(CONFIG_FILE);
+ } catch (IOException ex) {
+ Bukkit.getLogger().log(Level.SEVERE, "Could not save " + CONFIG_FILE, ex);
+ }
+ }
+
+ private static final Pattern SPACE = Pattern.compile(" ");
+ private static final Pattern NOT_NUMERIC = Pattern.compile("[^-\\d.]");
+ public static int getSeconds(String str) {
+ str = SPACE.matcher(str).replaceAll("");
+ final char unit = str.charAt(str.length() - 1);
+ str = NOT_NUMERIC.matcher(str).replaceAll("");
+ double num;
+ try {
+ num = Double.parseDouble(str);
+ } catch (Exception e) {
+ num = 0D;
+ }
+ switch (unit) {
+ case 'd': num *= (double) 60*60*24; break;
+ case 'h': num *= (double) 60*60; break;
+ case 'm': num *= (double) 60; break;
+ default: case 's': break;
+ }
+ return (int) num;
+ }
+
+ protected static String timeSummary(int seconds) {
+ String time = "";
+
+ if (seconds > 60 * 60 * 24) {
+ time += TimeUnit.SECONDS.toDays(seconds) + "d";
+ seconds %= 60 * 60 * 24;
+ }
+
+ if (seconds > 60 * 60) {
+ time += TimeUnit.SECONDS.toHours(seconds) + "h";
+ seconds %= 60 * 60;
+ }
+
+ if (seconds > 0) {
+ time += TimeUnit.SECONDS.toMinutes(seconds) + "m";
+ }
+ return time;
+ }
+
+ private static void set(String path, Object val) {
+ config.set(path, val);
+ }
+
+ private static boolean getBoolean(String path, boolean def) {
+ config.addDefault(path, def);
+ return config.getBoolean(path, config.getBoolean(path));
+ }
+
+ private static double getDouble(String path, double def) {
+ config.addDefault(path, def);
+ return config.getDouble(path, config.getDouble(path));
+ }
+
+ private static float getFloat(String path, float def) {
+ // TODO: Figure out why getFloat() always returns the default value.
+ return (float) getDouble(path, (double) def);
+ }
+
+ private static int getInt(String path, int def) {
+ config.addDefault(path, def);
+ return config.getInt(path, config.getInt(path));
+ }
+
+ private static <T> List getList(String path, T def) {
+ config.addDefault(path, def);
+ return (List<T>) config.getList(path, config.getList(path));
+ }
+
+ private static String getString(String path, String def) {
+ config.addDefault(path, def);
+ return config.getString(path, config.getString(path));
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
new file mode 100644
index 000000000..621bf7051
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -0,0 +1,66 @@
+package com.destroystokyo.paper;
+
+import java.util.List;
+
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.spigotmc.SpigotWorldConfig;
+
+import static com.destroystokyo.paper.PaperConfig.log;
+
+public class PaperWorldConfig {
+
+ private final String worldName;
+ private final SpigotWorldConfig spigotConfig;
+ private final YamlConfiguration config;
+ private boolean verbose;
+
+ public PaperWorldConfig(String worldName, SpigotWorldConfig spigotConfig) {
+ this.worldName = worldName;
+ this.spigotConfig = spigotConfig;
+ this.config = PaperConfig.config;
+ init();
+ }
+
+ public void init() {
+ log("-------- World Settings For [" + worldName + "] --------");
+ PaperConfig.readConfig(PaperWorldConfig.class, this);
+ }
+
+ private void set(String path, Object val) {
+ config.set("world-settings.default." + path, val);
+ if (config.get("world-settings." + worldName + "." + path) != null) {
+ config.set("world-settings." + worldName + "." + path, val);
+ }
+ }
+
+ private boolean getBoolean(String path, boolean def) {
+ config.addDefault("world-settings.default." + path, def);
+ return config.getBoolean("world-settings." + worldName + "." + path, config.getBoolean("world-settings.default." + path));
+ }
+
+ private double getDouble(String path, double def) {
+ config.addDefault("world-settings.default." + path, def);
+ return config.getDouble("world-settings." + worldName + "." + path, config.getDouble("world-settings.default." + path));
+ }
+
+ private int getInt(String path, int def) {
+ config.addDefault("world-settings.default." + path, def);
+ return config.getInt("world-settings." + worldName + "." + path, config.getInt("world-settings.default." + path));
+ }
+
+ private float getFloat(String path, float def) {
+ // TODO: Figure out why getFloat() always returns the default value.
+ return (float) getDouble(path, (double) def);
+ }
+
+ private <T> List getList(String path, T def) {
+ config.addDefault("world-settings.default." + path, def);
+ return (List<T>) config.getList("world-settings." + worldName + "." + path, config.getList("world-settings.default." + path));
+ }
+
+ private String getString(String path, String def) {
+ config.addDefault("world-settings.default." + path, def);
+ return config.getString("world-settings." + worldName + "." + path, config.getString("world-settings.default." + path));
+ }
+}
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 4f8eb0992..7fe2796fe 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -184,6 +184,10 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
org.spigotmc.SpigotConfig.init((File) options.valueOf("spigot-settings"));
org.spigotmc.SpigotConfig.registerCommands();
// Spigot end
+ // Paper start
+ com.destroystokyo.paper.PaperConfig.init((File) options.valueOf("paper-settings"));
+ com.destroystokyo.paper.PaperConfig.registerCommands();
+ // Paper end
DedicatedServer.LOGGER.info("Generating keypair");
this.a(MinecraftEncryption.b());
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index f5d387511..fd204ad7a 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -127,6 +127,8 @@ public abstract class World implements IBlockAccess {
private int tickPosition;
public final org.spigotmc.SpigotWorldConfig spigotConfig; // Spigot
+ public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
+
public final SpigotTimings.WorldTimingsHandler timings; // Spigot
private boolean guardEntityList; // Spigot
public static boolean haveWeSilencedAPhysicsCrash;
@@ -149,6 +151,7 @@ public abstract class World implements IBlockAccess {
protected World(IDataManager idatamanager, WorldData worlddata, WorldProvider worldprovider, MethodProfiler methodprofiler, boolean flag, ChunkGenerator gen, org.bukkit.World.Environment env) {
this.spigotConfig = new org.spigotmc.SpigotWorldConfig( worlddata.getName() ); // Spigot
+ this.paperConfig = new com.destroystokyo.paper.PaperWorldConfig(worlddata.getName(), this.spigotConfig); // Paper
this.generator = gen;
this.world = new CraftWorld((WorldServer) this, gen, env);
this.ticksPerAnimalSpawns = this.getServer().getTicksPerAnimalSpawns(); // CraftBukkit
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 67ee8c55e..ad075615a 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -696,6 +696,7 @@ public final class CraftServer implements Server {
}
org.spigotmc.SpigotConfig.init((File) console.options.valueOf("spigot-settings")); // Spigot
+ com.destroystokyo.paper.PaperConfig.init((File) console.options.valueOf("paper-settings")); // Paper
for (WorldServer world : console.worlds) {
world.worldData.setDifficulty(difficulty);
world.setSpawnFlags(monsters, animals);
@@ -711,6 +712,7 @@ public final class CraftServer implements Server {
world.ticksPerMonsterSpawns = this.getTicksPerMonsterSpawns();
}
world.spigotConfig.init(); // Spigot
+ world.paperConfig.init(); // Paper
}
pluginManager.clearPlugins();
@@ -718,6 +720,7 @@ public final class CraftServer implements Server {
resetRecipes();
reloadData();
org.spigotmc.SpigotConfig.registerCommands(); // Spigot
+ com.destroystokyo.paper.PaperConfig.registerCommands(); // Paper
overrideAllCommandBlockCommands = commandsConfiguration.getStringList("command-block-overrides").contains("*");
int pollCount = 0;
@@ -1771,4 +1774,23 @@ public final class CraftServer implements Server {
{
return spigot;
}
+
+ // Paper start
+ @SuppressWarnings({"rawtypes", "unchecked"})
+ public static void dumpHeap(File file) {
+ try {
+ if (file.getParentFile() != null) {
+ file.getParentFile().mkdirs();
+ }
+
+ Class clazz = Class.forName("com.sun.management.HotSpotDiagnosticMXBean");
+ javax.management.MBeanServer server = java.lang.management.ManagementFactory.getPlatformMBeanServer();
+ Object hotspotMBean = java.lang.management.ManagementFactory.newPlatformMXBeanProxy(server, "com.sun.management:type=HotSpotDiagnostic", clazz);
+ java.lang.reflect.Method m = clazz.getMethod("dumpHeap", String.class, boolean.class);
+ m.invoke(hotspotMBean, file.getPath(), true);
+ } catch (Throwable t) {
+ Bukkit.getLogger().severe("Could not write heap to " + file);
+ }
+ }
+ // Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index a151451d5..0c5862a3f 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -126,6 +126,14 @@ public class Main {
.defaultsTo(new File("spigot.yml"))
.describedAs("Yml file");
// Spigot End
+
+ // Paper Start
+ acceptsAll(asList("paper", "paper-settings"), "File for paper settings")
+ .withRequiredArg()
+ .ofType(File.class)
+ .defaultsTo(new File("paper.yml"))
+ .describedAs("Yml file");
+ // Paper end
}
};
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 01e73eb89..0b66f5e35 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -39,31 +39,31 @@ public class SpigotWorldConfig
config.set( "world-settings.default." + path, val );
}
- private boolean getBoolean(String path, boolean def)
+ public boolean getBoolean(String path, boolean def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getBoolean( "world-settings." + worldName + "." + path, config.getBoolean( "world-settings.default." + path ) );
}
- private double getDouble(String path, double def)
+ public double getDouble(String path, double def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getDouble( "world-settings." + worldName + "." + path, config.getDouble( "world-settings.default." + path ) );
}
- private int getInt(String path, int def)
+ public int getInt(String path, int def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getInt( "world-settings." + worldName + "." + path, config.getInt( "world-settings.default." + path ) );
}
- private <T> List getList(String path, T def)
+ public <T> List getList(String path, T def)
{
config.addDefault( "world-settings.default." + path, def );
return (List<T>) config.getList( "world-settings." + worldName + "." + path, config.getList( "world-settings.default." + path ) );
}
- private String getString(String path, String def)
+ public String getString(String path, String def)
{
config.addDefault( "world-settings.default." + path, def );
return config.getString( "world-settings." + worldName + "." + path, config.getString( "world-settings.default." + path ) );
--
2.13.3.windows.1
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