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Plugin enabling & disabling

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This commit is contained in:
KingRainbow44 2022-04-23 01:17:35 -04:00
parent 3ba8c42b42
commit 7a3fbcdcf7
3 changed files with 69 additions and 44 deletions
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57
src/main/java/emu/grasscutter/Grasscutter.java
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@ -8,6 +8,7 @@ import java.io.InputStreamReader;
import java.net.InetSocketAddress;
import emu.grasscutter.command.CommandMap;
import emu.grasscutter.plugin.PluginManager;
import emu.grasscutter.utils.Utils;
import org.reflections.Reflections;
import org.slf4j.LoggerFactory;
@ -33,6 +34,7 @@ public final class Grasscutter {
public static RunMode MODE = RunMode.BOTH;
private static DispatchServer dispatchServer;
private static GameServer gameServer;
private static PluginManager pluginManager;
public static final Reflections reflector = new Reflections();
@ -52,15 +54,11 @@ public final class Grasscutter {
for (String arg : args) {
switch (arg.toLowerCase()) {
case "-auth":
MODE = RunMode.AUTH;
break;
case "-game":
MODE = RunMode.GAME;
break;
case "-handbook":
Tools.createGmHandbook();
return;
case "-auth" -> MODE = RunMode.AUTH;
case "-game" -> MODE = RunMode.GAME;
case "-handbook" -> {
Tools.createGmHandbook(); return;
}
}
}
@ -72,18 +70,20 @@ public final class Grasscutter {
// Database
DatabaseManager.initialize();
// Create server instances.
dispatchServer = new DispatchServer();
gameServer = new GameServer(new InetSocketAddress(getConfig().getGameServerOptions().Ip, getConfig().getGameServerOptions().Port));
// Create plugin manager instance.
pluginManager = new PluginManager();
// Start servers.
if(getConfig().RunMode.equalsIgnoreCase("HYBRID")) {
dispatchServer = new DispatchServer();
dispatchServer.start();
gameServer = new GameServer(new InetSocketAddress(getConfig().getGameServerOptions().Ip, getConfig().getGameServerOptions().Port));
gameServer.start();
} else if(getConfig().RunMode.equalsIgnoreCase("DISPATCH_ONLY")) {
dispatchServer = new DispatchServer();
} else if (getConfig().RunMode.equalsIgnoreCase("DISPATCH_ONLY")) {
dispatchServer.start();
} else if(getConfig().RunMode.equalsIgnoreCase("GAME_ONLY")) {
gameServer = new GameServer(new InetSocketAddress(getConfig().getGameServerOptions().Ip, getConfig().getGameServerOptions().Port));
} else if (getConfig().RunMode.equalsIgnoreCase("GAME_ONLY")) {
gameServer.start();
} else {
getLogger().error("Invalid server run mode. " + getConfig().RunMode);
@ -92,10 +92,21 @@ public final class Grasscutter {
System.exit(1);
}
// Enable all plugins.
pluginManager.enablePlugins();
// Open console.
startConsole();
// Hook into shutdown event.
Runtime.getRuntime().addShutdownHook(new Thread(Grasscutter::onShutdown));
}
/**
* Server shutdown event.
*/
private static void onShutdown() {
// Disable all plugins.
pluginManager.disablePlugins();
}
public static void loadConfig() {
@ -112,7 +123,7 @@ public final class Grasscutter {
try (FileWriter file = new FileWriter(configFile)) {
file.write(gson.toJson(config));
} catch (Exception e) {
Grasscutter.getLogger().error("Config save error");
Grasscutter.getLogger().error("Unable to save config file.");
}
}
@ -122,13 +133,13 @@ public final class Grasscutter {
while ((input = br.readLine()) != null) {
try {
if(getConfig().RunMode.equalsIgnoreCase("DISPATCH_ONLY")) {
getLogger().error("Commands are not supported in dispatch only mode");
getLogger().error("Commands are not supported in dispatch only mode.");
return;
}
CommandMap.getInstance().invoke(null, input);
} catch (Exception e) {
Grasscutter.getLogger().error("Command error: ");
e.printStackTrace();
Grasscutter.getLogger().error("Command error:", e);
}
}
} catch (Exception e) {
@ -161,4 +172,8 @@ public final class Grasscutter {
public static GameServer getGameServer() {
return gameServer;
}
public static PluginManager getPluginManager() {
return pluginManager;
}
}

18
src/main/java/emu/grasscutter/plugin/Plugin.java
View File

@ -7,22 +7,18 @@ import emu.grasscutter.server.game.GameServer;
* The base class for all plugins to extend.
*/
public abstract class Plugin {
private final PluginIdentifier identifier;
private PluginIdentifier identifier;
/**
* Empty constructor for developers.
* Should not be called by users.
*/
public Plugin() {
this(new PluginIdentifier("", "", "", new String[]{}));
}
/**
* Constructor for plugins.
* This method is reflected into.
*
* Set plugin variables.
* @param identifier The plugin's identifier.
*/
public Plugin(PluginIdentifier identifier) {
private void initializePlugin(PluginIdentifier identifier) {
if(this.identifier == null)
this.identifier = identifier;
else Grasscutter.getLogger().warn(this.identifier.name + " had a reinitialization attempt.");
}
/**

34
src/main/java/emu/grasscutter/plugin/PluginManager.java
View File

@ -5,13 +5,13 @@ import emu.grasscutter.utils.Utils;
import java.io.File;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* Manages the server's plugins & the event system.
@ -42,7 +42,7 @@ public final class PluginManager {
List<File> plugins = Arrays.stream(files)
.filter(file -> file.getName().endsWith(".jar"))
.collect(Collectors.toList());
.toList();
plugins.forEach(plugin -> {
try {
@ -59,9 +59,8 @@ public final class PluginManager {
}
Class<?> pluginClass = loader.loadClass(pluginConfig.mainClass);
Plugin pluginInstance = (Plugin) pluginClass.getDeclaredConstructor(PluginIdentifier.class)
.newInstance(PluginIdentifier.fromPluginConfig(pluginConfig));
this.loadPlugin(pluginInstance);
Plugin pluginInstance = (Plugin) pluginClass.getDeclaredConstructor().newInstance();
this.loadPlugin(pluginInstance, PluginIdentifier.fromPluginConfig(pluginConfig));
fileReader.close(); // Close the file reader.
} catch (ClassNotFoundException ignored) {
@ -77,11 +76,20 @@ public final class PluginManager {
* Load the specified plugin.
* @param plugin The plugin instance.
*/
private void loadPlugin(Plugin plugin) {
Grasscutter.getLogger().info("Loading plugin: " + plugin.getName());
private void loadPlugin(Plugin plugin, PluginIdentifier identifier) {
Grasscutter.getLogger().info("Loading plugin: " + identifier.name);
// Add the plugin's identifier.
try {
Class<Plugin> pluginClass = Plugin.class;
Method method = pluginClass.getDeclaredMethod("initializePlugin", PluginIdentifier.class);
method.setAccessible(true); method.invoke(plugin, identifier); method.setAccessible(false);
} catch (Exception ignored) {
Grasscutter.getLogger().warn("Failed to add plugin identifier: " + identifier.name);
}
// Add the plugin to the list of loaded plugins.
this.plugins.put(plugin.getName(), plugin);
this.plugins.put(identifier.name, plugin);
// Call the plugin's onLoad method.
plugin.onLoad();
}
@ -90,13 +98,19 @@ public final class PluginManager {
* Enables all registered plugins.
*/
public void enablePlugins() {
this.plugins.forEach((name, plugin) -> {
Grasscutter.getLogger().info("Enabling plugin: " + name);
plugin.onEnable();
});
}
/**
* Disables all registered plugins.
*/
public void disablePlugins() {
this.plugins.forEach((name, plugin) -> {
Grasscutter.getLogger().info("Disabling plugin: " + name);
plugin.onDisable();
});
}
}