Mirror von
https://github.com/PaperMC/Velocity.git
synchronisiert 2024-12-23 23:00:35 +01:00
Allow config upgrading. Add annotations with reflection
Dieser Commit ist enthalten in:
Leymooo
Ursprung
6f8dae3a7e
Commit
2c7dfaaaf9
@ -21,6 +21,7 @@ import com.velocitypowered.proxy.config.VelocityConfiguration;
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import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
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import com.velocitypowered.proxy.connection.http.NettyHttpClient;
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import com.velocitypowered.proxy.command.VelocityCommandManager;
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import com.velocitypowered.proxy.config.AnnotationConfig;
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import com.velocitypowered.proxy.messages.VelocityChannelRegistrar;
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import com.velocitypowered.proxy.plugin.VelocityEventManager;
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import com.velocitypowered.proxy.protocol.util.FaviconSerializer;
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@ -50,6 +51,7 @@ import java.util.concurrent.ExecutionException;
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import java.util.concurrent.atomic.AtomicBoolean;
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public class VelocityServer implements ProxyServer {
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private static final Logger logger = LogManager.getLogger(VelocityServer.class);
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public static final Gson GSON = new GsonBuilder()
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.registerTypeHierarchyAdapter(Component.class, new GsonComponentSerializer())
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@ -106,19 +108,16 @@ public class VelocityServer implements ProxyServer {
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public void start() {
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try {
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Path configPath = Paths.get("velocity.toml");
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try {
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configuration = VelocityConfiguration.read(configPath);
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} catch (NoSuchFileException e) {
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logger.info("No velocity.toml found, creating one for you...");
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Files.copy(VelocityServer.class.getResourceAsStream("/velocity.toml"), configPath);
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configuration = VelocityConfiguration.read(configPath);
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}
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configuration = VelocityConfiguration.read(configPath);
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if (!configuration.validate()) {
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logger.error("Your configuration is invalid. Velocity will refuse to start up until the errors are resolved.");
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System.exit(1);
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}
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} catch (IOException e) {
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AnnotationConfig.saveConfig(configuration.dumpConfig(), configPath); //Resave config to add new values
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} catch (IOException | NullPointerException e) {
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logger.error("Unable to load your velocity.toml. The server will shut down.", e);
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System.exit(1);
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}
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@ -192,7 +191,9 @@ public class VelocityServer implements ProxyServer {
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}
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public void shutdown() {
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if (!shutdownInProgress.compareAndSet(false, true)) return;
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if (!shutdownInProgress.compareAndSet(false, true)) {
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return;
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}
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logger.info("Shutting down the proxy...");
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for (ConnectedPlayer player : ImmutableList.copyOf(connectionsByUuid.values())) {
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@ -0,0 +1,179 @@
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package com.velocitypowered.proxy.config;
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import java.io.File;
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import java.io.IOException;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.lang.reflect.Field;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.AtomicMoveNotSupportedException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.StandardCopyOption;
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import java.nio.file.StandardOpenOption;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.apache.logging.log4j.Level;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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/**
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* Only for simple configs
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*/
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public class AnnotationConfig {
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private static final Logger logger = LogManager.getLogger(AnnotationConfig.class);
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public static Logger getLogger() {
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return logger;
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}
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/**
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* Indicates that a field is a table
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD})
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public @interface Table {
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String value();
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}
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/**
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* Creates a comment
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.TYPE})
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public @interface Comment {
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String[] value();
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}
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/**
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* How field will be named in config
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.TYPE})
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public @interface CfgKey {
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String value();
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}
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/**
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* Indicates that a field is map and we need to save all data to config
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.TYPE})
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public @interface AsMap {
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}
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/**
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* Indicates that a field is a string converted to byte[]
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.TYPE})
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public @interface AsBytes {
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}
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/**
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* Indicates that a field is a string converted to byte[]
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*/
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.FIELD, ElementType.TYPE})
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public @interface Ignore {
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}
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public List<String> dumpConfig() {
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List<String> lines = new ArrayList<>();
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dumpFields(getClass(), this, lines);
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return lines;
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}
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private void dumpFields(Class root, Object caller, List<String> lines) {
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try {
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for (Field field : root.getDeclaredFields()) {
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if (field.getAnnotation(Ignore.class) != null) {
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continue;
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}
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Comment comment = field.getAnnotation(Comment.class);
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if (comment != null) { //Add comments
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for (String line : comment.value()) {
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lines.add("# " + line);
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}
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}
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CfgKey key = field.getAnnotation(CfgKey.class);
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String name = key == null ? field.getName() : key.value();
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field.setAccessible(true);
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Table table = field.getAnnotation(Table.class);
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if (table != null) {
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lines.add(table.value()); // Write [name]
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dumpFields(field.getType(), field.get(caller), lines); // dump a table class
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} else {
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if (field.getAnnotation(AsMap.class) != null) {
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Map<String, ?> map = (Map<String, ?>) field.get(caller);
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for (Entry<String, ?> entry : map.entrySet()) {
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lines.add(entry.getKey() + " = " + toString(entry.getValue()));
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}
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lines.add("");
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continue;
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}
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Object value = field.get(caller);
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if (field.getAnnotation(AsBytes.class) != null) {
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value = new String((byte[]) value, StandardCharsets.UTF_8);
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}
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lines.add(name + " = " + toString(value));
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lines.add("");
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}
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}
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} catch (IllegalAccessException | IllegalArgumentException | SecurityException e) {
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logger.log(Level.ERROR, "Unexpected error while dumping fields", e);
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lines.clear();
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}
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}
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private String toString(Object value) {
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if (value instanceof List) {
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Collection<?> listValue = (Collection<?>) value;
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if (listValue.isEmpty()) {
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return "[]";
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}
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StringBuilder m = new StringBuilder();
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m.append("[");
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for (Object obj : listValue) {
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m.append(System.lineSeparator()).append(" ").append(toString(obj)).append(",");
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}
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m.deleteCharAt(m.length() - 1).append(System.lineSeparator()).append("]");
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return m.toString();
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}
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if (value instanceof Enum) {
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value = value.toString();
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}
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if (value instanceof String) {
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String stringValue = (String) value;
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if (stringValue.isEmpty()) {
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return "\"\"";
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}
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return "\"" + stringValue + "\"";
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}
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return value != null ? value.toString() : "null";
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}
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public static void saveConfig(List<String> lines, Path to) throws IOException {
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if (lines.isEmpty()) {
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throw new IOException("Can not save config because list is empty");
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}
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Path temp = new File(to.toFile().getParent(), "__tmp").toPath();
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Files.write(temp, lines, StandardCharsets.UTF_8, StandardOpenOption.CREATE);
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try {
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Files.move(temp, to, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
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} catch (AtomicMoveNotSupportedException e) {
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Files.move(temp, to, StandardCopyOption.REPLACE_EXISTING);
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}
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}
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}
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@ -5,11 +5,10 @@ import com.moandjiezana.toml.Toml;
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import com.velocitypowered.api.util.Favicon;
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import com.velocitypowered.proxy.util.AddressUtil;
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import com.velocitypowered.api.util.LegacyChatColorUtils;
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import com.velocitypowered.proxy.VelocityServer;
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import io.netty.buffer.ByteBufUtil;
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import net.kyori.text.Component;
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import net.kyori.text.serializer.ComponentSerializers;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.io.IOException;
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import java.io.Reader;
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@ -21,51 +20,140 @@ import java.nio.file.Paths;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.apache.logging.log4j.Logger;
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public class VelocityConfiguration {
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private static final Logger logger = LogManager.getLogger(VelocityConfiguration.class);
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public class VelocityConfiguration extends AnnotationConfig {
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@Comment("What port should the proxy be bound to? By default, we'll bind to all addresses on port 25577.")
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private final String bind;
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@Comment("What should be the MOTD? Legacy color codes and JSON are accepted.")
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private final String motd;
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@Comment({"What should we display for the maximum number of players? (Velocity does not support a cap",
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"on the number of players online.)"})
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@CfgKey("show-max-players")
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private final int showMaxPlayers;
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@Comment("Should we authenticate players with Mojang? By default, this is on.")
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@CfgKey("online-mode")
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private final boolean onlineMode;
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@Comment({"Should we forward IP addresses and other data to backend servers?",
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"Available options:",
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"- \"none\": No forwarding will be done. All players will appear to be Should we forward IP addresses and other data to backend servers?connecting from the proxy",
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" and will have offline-mode UUIDs.",
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"- \"legacy\": Forward player IPs and UUIDs in BungeeCord-compatible fashion. Use this if you run",
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" servers using Minecraft 1.12 or lower.",
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"- \"modern\": Forward player IPs and UUIDs as part of the login process using Velocity's native",
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" forwarding. Only applicable for Minecraft 1.13 or higher."})
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@CfgKey("player-info-forwarding-mode")
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private final PlayerInfoForwarding playerInfoForwardingMode;
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private final Map<String, String> servers;
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private final List<String> attemptConnectionOrder;
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private final int compressionThreshold;
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private final int compressionLevel;
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private final int loginRatelimit;
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private final boolean queryEnabled;
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private final int queryPort;
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private Component motdAsComponent;
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private Favicon favicon;
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@AsBytes
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@Comment("If you are using modern IP forwarding, configure an unique secret here.")
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@CfgKey("forwarding-secret")
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private final byte[] forwardingSecret;
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@Table("[servers]")
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private final Servers servers;
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private static class Servers {
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@AsMap
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@Comment("Configure your servers here.")
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public final Map<String, String> servers;
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@Comment("In what order we should try servers when a player logs in or is kicked from a server.")
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@CfgKey("try")
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public final List<String> attemptConnectionOrder;
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public Servers(Map<String, String> servers, List<String> attemptConnectionOrder) {
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this.servers = servers;
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this.attemptConnectionOrder = attemptConnectionOrder;
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}
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@Override
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public String toString() {
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return "Servers{" + "servers=" + servers + ", attemptConnectionOrder=" + attemptConnectionOrder + '}';
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}
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}
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@Table("[advanced]")
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private final Advanced advanced;
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private static class Advanced {
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@Comment({"How large a Minecraft packet has to be before we compress it. Setting this to zero will compress all packets, and",
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"setting it to -1 will disable compression entirely."})
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@CfgKey("compression-threshold")
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public final int compressionThreshold;
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@Comment("How much compression should be done (from 0-9). The default is -1, which uses zlib's default level of 6.")
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@CfgKey("compression-level")
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public final int compressionLevel;
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@Comment({"How fast (in miliseconds) are clients allowed to connect after the last connection? Default: 3000",
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"Disable by setting to 0"})
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@CfgKey("login-ratelimit")
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public final int loginRatelimit;
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public Advanced(Toml toml) {
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this.compressionThreshold = toml.getLong("compression-threshold", 1024L).intValue();
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this.compressionLevel = toml.getLong("compression-level", -1L).intValue();
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this.loginRatelimit = toml.getLong("login-ratelimit", 3000L).intValue();
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}
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@Override
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public String toString() {
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return "Advanced{" + "compressionThreshold=" + compressionThreshold + ", compressionLevel=" + compressionLevel + ", loginRatelimit=" + loginRatelimit + '}';
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}
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}
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@Table("[query]")
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private final Query query;
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private static class Query {
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@Comment("Whether to enable responding to GameSpy 4 query responses or not")
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@CfgKey("enabled")
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public final boolean queryEnabled;
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@Comment("If query responding is enabled, on what port should query response listener listen on?")
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@CfgKey("port")
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public final int queryPort;
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public Query(boolean queryEnabled, int queryPort) {
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this.queryEnabled = queryEnabled;
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this.queryPort = queryPort;
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}
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private Query(Toml toml) {
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this.queryEnabled = toml.getBoolean("enabled", false);
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this.queryPort = toml.getLong("port", 25577L).intValue();
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}
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@Override
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public String toString() {
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return "Query{" + "queryEnabled=" + queryEnabled + ", queryPort=" + queryPort + '}';
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}
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}
|
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@Ignore
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private Component motdAsComponent;
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@Ignore
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private Favicon favicon;
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private VelocityConfiguration(String bind, String motd, int showMaxPlayers, boolean onlineMode,
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PlayerInfoForwarding playerInfoForwardingMode, Map<String, String> servers,
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List<String> attemptConnectionOrder, int compressionThreshold,
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int compressionLevel, int loginRatelimit, boolean queryEnabled,
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int queryPort, byte[] forwardingSecret) {
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PlayerInfoForwarding playerInfoForwardingMode, byte[] forwardingSecret, Servers servers,
|
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Advanced advanced, Query query) {
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this.bind = bind;
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this.motd = motd;
|
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this.showMaxPlayers = showMaxPlayers;
|
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this.onlineMode = onlineMode;
|
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this.playerInfoForwardingMode = playerInfoForwardingMode;
|
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this.servers = servers;
|
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this.attemptConnectionOrder = attemptConnectionOrder;
|
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this.compressionThreshold = compressionThreshold;
|
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this.compressionLevel = compressionLevel;
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this.loginRatelimit = loginRatelimit;
|
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this.queryEnabled = queryEnabled;
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this.queryPort = queryPort;
|
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this.forwardingSecret = forwardingSecret;
|
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this.servers = servers;
|
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this.advanced = advanced;
|
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this.query = query;
|
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}
|
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|
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public boolean validate() {
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boolean valid = true;
|
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Logger logger = AnnotationConfig.getLogger();
|
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|
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if (bind.isEmpty()) {
|
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logger.error("'bind' option is empty.");
|
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@ -95,16 +183,16 @@ public class VelocityConfiguration {
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break;
|
||||
}
|
||||
|
||||
if (servers.isEmpty()) {
|
||||
if (servers.servers.isEmpty()) {
|
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logger.error("You have no servers configured. :(");
|
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valid = false;
|
||||
} else {
|
||||
if (attemptConnectionOrder.isEmpty()) {
|
||||
if (servers.attemptConnectionOrder.isEmpty()) {
|
||||
logger.error("No fallback servers are configured!");
|
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valid = false;
|
||||
}
|
||||
|
||||
for (Map.Entry<String, String> entry : servers.entrySet()) {
|
||||
for (Map.Entry<String, String> entry : servers.servers.entrySet()) {
|
||||
try {
|
||||
AddressUtil.parseAddress(entry.getValue());
|
||||
} catch (IllegalArgumentException e) {
|
||||
@ -113,8 +201,8 @@ public class VelocityConfiguration {
|
||||
}
|
||||
}
|
||||
|
||||
for (String s : attemptConnectionOrder) {
|
||||
if (!servers.containsKey(s)) {
|
||||
for (String s : servers.attemptConnectionOrder) {
|
||||
if (!servers.servers.containsKey(s)) {
|
||||
logger.error("Fallback server " + s + " doesn't exist!");
|
||||
valid = false;
|
||||
}
|
||||
@ -128,22 +216,22 @@ public class VelocityConfiguration {
|
||||
valid = false;
|
||||
}
|
||||
|
||||
if (compressionLevel < -1 || compressionLevel > 9) {
|
||||
logger.error("Invalid compression level {}", compressionLevel);
|
||||
if (advanced.compressionLevel < -1 || advanced.compressionLevel > 9) {
|
||||
logger.error("Invalid compression level {}", advanced.compressionLevel);
|
||||
valid = false;
|
||||
} else if (compressionLevel == 0) {
|
||||
} else if (advanced.compressionLevel == 0) {
|
||||
logger.warn("ALL packets going through the proxy are going to be uncompressed. This will increase bandwidth usage.");
|
||||
}
|
||||
|
||||
if (compressionThreshold < -1) {
|
||||
logger.error("Invalid compression threshold {}", compressionLevel);
|
||||
if (advanced.compressionThreshold < -1) {
|
||||
logger.error("Invalid compression threshold {}", advanced.compressionLevel);
|
||||
valid = false;
|
||||
} else if (compressionThreshold == 0) {
|
||||
} else if (advanced.compressionThreshold == 0) {
|
||||
logger.warn("ALL packets going through the proxy are going to be compressed. This may hurt performance.");
|
||||
}
|
||||
|
||||
if (loginRatelimit < 0) {
|
||||
logger.error("Invalid login ratelimit {}", loginRatelimit);
|
||||
if (advanced.loginRatelimit < 0) {
|
||||
logger.error("Invalid login ratelimit {}", advanced.loginRatelimit);
|
||||
valid = false;
|
||||
}
|
||||
|
||||
@ -158,7 +246,7 @@ public class VelocityConfiguration {
|
||||
try {
|
||||
this.favicon = Favicon.create(faviconPath);
|
||||
} catch (Exception e) {
|
||||
logger.info("Unable to load your server-icon.png, continuing without it.", e);
|
||||
getLogger().info("Unable to load your server-icon.png, continuing without it.", e);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -168,11 +256,11 @@ public class VelocityConfiguration {
|
||||
}
|
||||
|
||||
public boolean isQueryEnabled() {
|
||||
return queryEnabled;
|
||||
return query.queryEnabled;
|
||||
}
|
||||
|
||||
public int getQueryPort() {
|
||||
return queryPort;
|
||||
return query.queryPort;
|
||||
}
|
||||
|
||||
public String getMotd() {
|
||||
@ -203,23 +291,23 @@ public class VelocityConfiguration {
|
||||
}
|
||||
|
||||
public Map<String, String> getServers() {
|
||||
return servers;
|
||||
return servers.servers;
|
||||
}
|
||||
|
||||
public List<String> getAttemptConnectionOrder() {
|
||||
return attemptConnectionOrder;
|
||||
return servers.attemptConnectionOrder;
|
||||
}
|
||||
|
||||
public int getCompressionThreshold() {
|
||||
return compressionThreshold;
|
||||
return advanced.compressionThreshold;
|
||||
}
|
||||
|
||||
public int getCompressionLevel() {
|
||||
return compressionLevel;
|
||||
return advanced.compressionLevel;
|
||||
}
|
||||
|
||||
public int getLoginRatelimit() {
|
||||
return loginRatelimit;
|
||||
return advanced.loginRatelimit;
|
||||
}
|
||||
|
||||
public Favicon getFavicon() {
|
||||
@ -232,57 +320,62 @@ public class VelocityConfiguration {
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "VelocityConfiguration{" +
|
||||
"bind='" + bind + '\'' +
|
||||
", motd='" + motd + '\'' +
|
||||
", showMaxPlayers=" + showMaxPlayers +
|
||||
", onlineMode=" + onlineMode +
|
||||
", playerInfoForwardingMode=" + playerInfoForwardingMode +
|
||||
", servers=" + servers +
|
||||
", attemptConnectionOrder=" + attemptConnectionOrder +
|
||||
", compressionThreshold=" + compressionThreshold +
|
||||
", compressionLevel=" + compressionLevel +
|
||||
", loginRatelimit=" + loginRatelimit +
|
||||
", queryEnabled=" + queryEnabled +
|
||||
", queryPort=" + queryPort +
|
||||
", motdAsComponent=" + motdAsComponent +
|
||||
", favicon=" + favicon +
|
||||
", forwardingSecret=" + ByteBufUtil.hexDump(forwardingSecret) +
|
||||
'}';
|
||||
|
||||
return "VelocityConfiguration{"
|
||||
+ "bind='" + bind + '\''
|
||||
+ ", motd='" + motd + '\''
|
||||
+ ", showMaxPlayers=" + showMaxPlayers
|
||||
+ ", onlineMode=" + onlineMode
|
||||
+ ", playerInfoForwardingMode=" + playerInfoForwardingMode
|
||||
+ ", servers=" + servers
|
||||
+ ", advanced=" + advanced
|
||||
+ ", query=" + query
|
||||
+ ", motdAsComponent=" + motdAsComponent
|
||||
+ ", favicon=" + favicon
|
||||
+ ", forwardingSecret=" + ByteBufUtil.hexDump(forwardingSecret)
|
||||
+ '}';
|
||||
}
|
||||
|
||||
public static VelocityConfiguration read(Path path) throws IOException {
|
||||
try (Reader reader = Files.newBufferedReader(path, StandardCharsets.UTF_8)) {
|
||||
Toml toml = new Toml().read(reader);
|
||||
Toml def = new Toml().read(VelocityServer.class.getResourceAsStream("/velocity.toml"));
|
||||
Toml toml;
|
||||
if (!path.toFile().exists()) {
|
||||
toml = def;
|
||||
} else {
|
||||
try (Reader reader = Files.newBufferedReader(path, StandardCharsets.UTF_8)) {
|
||||
toml = new Toml(def).read(reader);
|
||||
}
|
||||
}
|
||||
|
||||
Map<String, String> servers = new HashMap<>();
|
||||
for (Map.Entry<String, Object> entry : toml.getTable("servers").entrySet()) {
|
||||
if (entry.getValue() instanceof String) {
|
||||
servers.put(entry.getKey(), (String) entry.getValue());
|
||||
} else {
|
||||
if (!entry.getKey().equalsIgnoreCase("try")) {
|
||||
throw new IllegalArgumentException("Server entry " + entry.getKey() + " is not a string!");
|
||||
}
|
||||
// TODO: Upgrdate old values to new, when config will be changed in future
|
||||
Map<String, String> servers = new HashMap<>();
|
||||
for (Map.Entry<String, Object> entry : toml.getTable("servers").entrySet()) {
|
||||
if (entry.getValue() instanceof String) {
|
||||
servers.put(entry.getKey(), (String) entry.getValue());
|
||||
} else {
|
||||
if (!entry.getKey().equalsIgnoreCase("try")) {
|
||||
throw new IllegalArgumentException("Server entry " + entry.getKey() + " is not a string!");
|
||||
}
|
||||
}
|
||||
|
||||
byte[] forwardingSecret = toml.getString("player-info-forwarding-secret", "5up3r53cr3t")
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
return new VelocityConfiguration(
|
||||
toml.getString("bind", "0.0.0.0:25577"),
|
||||
toml.getString("motd", "&3A Velocity Server"),
|
||||
toml.getLong("show-max-players", 500L).intValue(),
|
||||
toml.getBoolean("online-mode", true),
|
||||
PlayerInfoForwarding.valueOf(toml.getString("player-info-forwarding", "MODERN").toUpperCase()),
|
||||
ImmutableMap.copyOf(servers),
|
||||
toml.getTable("servers").getList("try"),
|
||||
toml.getTable("advanced").getLong("compression-threshold", 1024L).intValue(),
|
||||
toml.getTable("advanced").getLong("compression-level", -1L).intValue(),
|
||||
toml.getTable("advanced").getLong("login-ratelimit", 3000L).intValue(),
|
||||
toml.getTable("query").getBoolean("enabled", false),
|
||||
toml.getTable("query").getLong("port", 25577L).intValue(),
|
||||
forwardingSecret);
|
||||
}
|
||||
|
||||
Servers serversTables = new Servers(ImmutableMap.copyOf(servers), toml.getTable("servers").getList("try"));
|
||||
Advanced advanced = new Advanced(toml.getTable("advanced"));
|
||||
Query query = new Query(toml.getTable("query"));
|
||||
byte[] forwardingSecret = toml.getString("player-info-forwarding-secret", "5up3r53cr3t")
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
return new VelocityConfiguration(
|
||||
toml.getString("bind", "0.0.0.0:25577"),
|
||||
toml.getString("motd", "&3A Velocity Server"),
|
||||
toml.getLong("show-max-players", 500L).intValue(),
|
||||
toml.getBoolean("online-mode", true),
|
||||
PlayerInfoForwarding.valueOf(toml.getString("player-info-forwarding", "MODERN").toUpperCase()),
|
||||
forwardingSecret,
|
||||
serversTables,
|
||||
advanced,
|
||||
query
|
||||
);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
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