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Added SLF4J and Log4J2 as logging platform.

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This commit is contained in:
Lukas Mansour (Articdive) 2020-05-10 16:02:49 +02:00
parent de8ec680fb
commit df253238fc
5 changed files with 72 additions and 26 deletions
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9
build.gradle
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@ -33,12 +33,19 @@ dependencies {
api 'com.github.TheMode:CommandBuilder:f893cfbfe4'
// https://jitpack.io/#Articdive/Jnoise/1.0-SNAPSHOT
// https://jitpack.io/#Articdive/Jnoise
api 'com.github.Articdive:Jnoise:1.0-SNAPSHOT'
// https://mvnrepository.com/artifact/org.rocksdb/rocksdbjni
api group: 'org.rocksdb', name: 'rocksdbjni', version: '6.8.1'
// https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core
api group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.13.2'
// SLF4J is the base for logging so we can easily switch to any logging system later on.
// https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-slf4j-impl
api group: 'org.apache.logging.log4j', name: 'log4j-slf4j-impl', version: '2.13.2'
api 'net.kyori:text-api:3.0.3'
api 'net.kyori:text-serializer-legacy:3.0.3'
api 'net.kyori:text-serializer-gson:3.0.3'

13
src/main/java/net/minestom/server/MinecraftServer.java
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@ -17,13 +17,17 @@ import net.minestom.server.recipe.RecipeManager;
import net.minestom.server.registry.RegistryMain;
import net.minestom.server.registry.ResourceGatherer;
import net.minestom.server.scoreboard.TeamManager;
import net.minestom.server.storage.StorageFolder;
import net.minestom.server.storage.StorageManager;
import net.minestom.server.timer.SchedulerManager;
import net.minestom.server.world.Difficulty;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
public class MinecraftServer {
private final static Logger LOGGER = LoggerFactory.getLogger(MinecraftServer.class);
// Threads
public static final String THREAD_NAME_BENCHMARK = "Ms-Benchmark";
@ -109,8 +113,7 @@ public class MinecraftServer {
try {
ResourceGatherer.ensureResourcesArePresent(null); // TODO: provide a way to give a path override, probably via launch arguments?
} catch (IOException e) {
System.err.println("An error happened during resource gathering. Minestom will attempt to load anyway, but things may not work, and crashes can happen.");
e.printStackTrace();
LOGGER.error("An error happened during resource gathering. Minestom will attempt to load anyway, but things may not work, and crashes can happen.", e);
}
RegistryMain.registerBlocks();
RegistryMain.registerItems();
@ -197,19 +200,23 @@ public class MinecraftServer {
}
public void start(String address, int port, ResponseDataConsumer responseDataConsumer) {
LOGGER.info("Starting Minestom server.");
MinecraftServer.responseDataConsumer = responseDataConsumer;
updateManager.start();
nettyServer.start(address, port);
LOGGER.info("Minestom server started successfully.");
}
/**
* Stops this server properly (saves if needed, kicking players, etc.)
*/
public static void stopCleanly() {
LOGGER.info("Stopping Minestom server.");
updateManager.stop();
nettyServer.stop();
schedulerManager.shutdown();
storageManager.getLoadedFolders().forEach(storageFolder -> storageFolder.close());
storageManager.getLoadedFolders().forEach(StorageFolder::close);
LOGGER.info("Minestom server stopped successfully.");
}
}

53
src/main/java/net/minestom/server/registry/ResourceGatherer.java
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@ -1,20 +1,28 @@
package net.minestom.server.registry;
import com.google.gson.Gson;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.nio.file.*;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.StandardCopyOption;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.stream.Collectors;
/**
* Responsible for making sure Minestom has the necessary files to run (notably registry files)
*/
public class ResourceGatherer {
private static final Logger LOGGER = LoggerFactory.getLogger(ResourceGatherer.class);
public static final File DATA_FOLDER = new File("./minecraft_data/");
private static final File TMP_FOLDER = new File("./.minestom_tmp/");
@ -28,35 +36,35 @@ public class ResourceGatherer {
if(DATA_FOLDER.exists()) {
return;
}
System.out.println(DATA_FOLDER +" folder does not exist. Minestom will now generate the necessary files.");
LOGGER.info(DATA_FOLDER +" folder does not exist. Minestom will now generate the necessary files.");
if(!TMP_FOLDER.exists() && !TMP_FOLDER.mkdirs()) {
throw new IOException("Failed to create tmp folder.");
}
final String version = "1.15.2"; // TODO: Do not hardcode
System.out.println("Starting download of Minecraft server jar for version "+version+" from Mojang servers...");
LOGGER.info("Starting download of Minecraft server jar for version " + version + " from Mojang servers...");
File minecraftFolder = getMinecraftFolder(minecraftFolderOverride);
if(!minecraftFolder.exists()) {
throw new IOException("Could not find Minecraft installation folder, attempted location "+minecraftFolder+". If this location is not the correct one, please supply the correct one as argument of ResourceGatherer#ensureResourcesArePresent");
}
File serverJar = downloadServerJar(minecraftFolder, version);
System.out.println("Download complete.");
LOGGER.info("Download complete.");
runDataGenerator(serverJar);
moveAndCleanup(version);
System.out.println("Resource gathering done!");
LOGGER.info("Resource gathering done!");
}
private static void moveAndCleanup(String version) throws IOException {
Path dataFolderPath = DATA_FOLDER.toPath();
Path tmpFolderPath = TMP_FOLDER.toPath();
Path generatedFolder = tmpFolderPath.resolve("generated");
System.out.println("Data generator successful, removing server jar");
Files.delete(tmpFolderPath.resolve("server_"+version+".jar"));
System.out.println("Removal successful, now moving data to "+DATA_FOLDER);
LOGGER.info("Data generator successful, removing server jar");
Files.delete(tmpFolderPath.resolve("server_" + version + ".jar"));
LOGGER.info("Removal successful, now moving data to " + DATA_FOLDER);
Files.walkFileTree(tmpFolderPath, new SimpleFileVisitor<>() {
@Override
@ -64,7 +72,7 @@ public class ResourceGatherer {
Path relativePath = generatedFolder.relativize(dir);
if(dir.startsWith(generatedFolder)) { // don't copy logs
Path resolvedPath = dataFolderPath.resolve(relativePath);
System.out.println("> Creating sub-folder "+relativePath);
LOGGER.info("> Creating sub-folder " + relativePath);
Files.createDirectories(resolvedPath);
}
return FileVisitResult.CONTINUE;
@ -72,7 +80,7 @@ public class ResourceGatherer {
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
System.out.println("> Deleting folder "+dir);
LOGGER.info("> Deleting folder " + dir);
Files.delete(dir);
return FileVisitResult.CONTINUE;
}
@ -82,10 +90,10 @@ public class ResourceGatherer {
Path relativePath = generatedFolder.relativize(file);
if(file.startsWith(generatedFolder)) { // don't copy logs
Path resolvedPath = dataFolderPath.resolve(relativePath);
System.out.println("> Moving "+relativePath);
LOGGER.info("> Moving " + relativePath);
Files.move(file, resolvedPath);
} else {
System.out.println("> Deleting "+relativePath);
LOGGER.info("> Deleting " + relativePath);
Files.delete(file);
}
return FileVisitResult.CONTINUE;
@ -96,11 +104,16 @@ public class ResourceGatherer {
private static void runDataGenerator(File serverJar) throws IOException {
ProcessBuilder dataGenerator = new ProcessBuilder("java", "-cp", serverJar.getName(), "net.minecraft.data.Main", "--all", "--server", "--dev");
dataGenerator.directory(TMP_FOLDER);
dataGenerator.inheritIO();
System.out.println("Now running data generator with options '--dev', '--server', '--all'");
System.out.println("Executing: "+dataGenerator.command().stream().collect(Collectors.joining(" ")));
System.out.println("Minestom will now wait for it to finish, here's its output:");
LOGGER.info("Now running data generator with options '--dev', '--server', '--all'");
LOGGER.info("Executing: " + String.join(" ", dataGenerator.command()));
LOGGER.info("Minestom will now wait for it to finish, here's its output:");
LOGGER.info("");
Process dataGeneratorProcess = dataGenerator.start();
new BufferedReader(
new InputStreamReader(dataGeneratorProcess.getInputStream())
).lines().forEach(LOGGER::info);
LOGGER.info("");
try {
int resultCode = dataGeneratorProcess.waitFor();
if(resultCode != 0) {
@ -128,8 +141,8 @@ public class ResourceGatherer {
VersionInfo versionInfo = gson.fromJson(fileReader, VersionInfo.class);
VersionInfo.DownloadObject serverJarInfo = versionInfo.getDownloadableFiles().get("server");
String downloadURL = serverJarInfo.getUrl();
System.out.println("Found URL, starting download from "+downloadURL+"...");
LOGGER.info("Found URL, starting download from " + downloadURL + "...");
return download(version, downloadURL);
}
}

9
src/main/java/net/minestom/server/storage/StorageManager.java
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@ -1,5 +1,8 @@
package net.minestom.server.storage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
@ -7,6 +10,7 @@ import java.util.Map;
import java.util.function.Supplier;
public class StorageManager {
private static final Logger LOGGER = LoggerFactory.getLogger(StorageManager.class);
private Supplier<StorageSystem> defaultStorageSystemSupplier = null;
@ -47,8 +51,9 @@ public class StorageManager {
}
public void defineDefaultStorageSystem(Supplier<StorageSystem> storageSystemSupplier) {
if (this.defaultStorageSystemSupplier != null)
System.out.println("WARNING: the default StorageSystem is being changed, could lead to issue!");
if (this.defaultStorageSystemSupplier != null) {
LOGGER.error("The default storage-system has been changed. This could lead to issues!");
}
this.defaultStorageSystemSupplier = storageSystemSupplier;
}
}

14
src/main/resources/log4j2.xml Normal file
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@ -0,0 +1,14 @@
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN" strict="true" name="Minestom">
<Appenders>
<Appender type="Console" name="STDOUT">
<Layout type="PatternLayout" pattern="[%t] [%d{HH:mm:ss}] %p - %m%n"/>
</Appender>
</Appenders>
<Loggers>
<Root level="trace">
<AppenderRef ref="STDOUT" level="info"/>
</Root>
</Loggers>
</Configuration>