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package cuchaz.enigma.network;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.TimeUnit;
import com.google.common.io.MoreFiles;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import joptsimple.ValueConverter;
import cuchaz.enigma.Enigma;
import cuchaz.enigma.EnigmaProfile;
import cuchaz.enigma.EnigmaProject;
import cuchaz.enigma.ProgressListener;
import cuchaz.enigma.classprovider.ClasspathClassProvider;
import cuchaz.enigma.translation.mapping.EntryRemapper;
import cuchaz.enigma.translation.mapping.serde.MappingFormat;
import cuchaz.enigma.translation.mapping.serde.MappingParseException;
import cuchaz.enigma.utils.Utils;
public class DedicatedEnigmaServer extends EnigmaServer {
private final EnigmaProfile profile;
private final MappingFormat mappingFormat;
private final Path mappingsFile;
private final PrintWriter log;
private BlockingQueue<Runnable> tasks = new LinkedBlockingDeque<>();
public DedicatedEnigmaServer(byte[] jarChecksum, char[] password, EnigmaProfile profile, MappingFormat mappingFormat, Path mappingsFile, PrintWriter log, EntryRemapper mappings, int port) {
super(jarChecksum, password, mappings, port);
this.profile = profile;
this.mappingFormat = mappingFormat;
this.mappingsFile = mappingsFile;
this.log = log;
}
@Override
protected void runOnThread(Runnable task) {
tasks.add(task);
}
@Override
public void log(String message) {
super.log(message);
log.println(message);
}
public static void main(String[] args) {
OptionParser parser = new OptionParser();
OptionSpec<Path> jarOpt = parser.accepts("jar", "Jar file to open at startup").withRequiredArg().required().withValuesConvertedBy(PathConverter.INSTANCE);
OptionSpec<Path> mappingsOpt = parser.accepts("mappings", "Mappings file to open at startup").withRequiredArg().required().withValuesConvertedBy(PathConverter.INSTANCE);
OptionSpec<Path> profileOpt = parser.accepts("profile", "Profile json to apply at startup").withRequiredArg().withValuesConvertedBy(PathConverter.INSTANCE);
OptionSpec<Integer> portOpt = parser.accepts("port", "Port to run the server on").withOptionalArg().ofType(Integer.class).defaultsTo(EnigmaServer.DEFAULT_PORT);
OptionSpec<String> passwordOpt = parser.accepts("password", "The password to join the server").withRequiredArg().defaultsTo("");
OptionSpec<Path> logFileOpt = parser.accepts("log", "The log file to write to").withRequiredArg().withValuesConvertedBy(PathConverter.INSTANCE).defaultsTo(Paths.get("log.txt"));
OptionSet parsedArgs = parser.parse(args);
Path jar = parsedArgs.valueOf(jarOpt);
Path mappingsFile = parsedArgs.valueOf(mappingsOpt);
Path profileFile = parsedArgs.valueOf(profileOpt);
int port = parsedArgs.valueOf(portOpt);
char[] password = parsedArgs.valueOf(passwordOpt).toCharArray();
if (password.length > EnigmaServer.MAX_PASSWORD_LENGTH) {
System.err.println("Password too long, must be at most " + EnigmaServer.MAX_PASSWORD_LENGTH + " characters");
System.exit(1);
}
Path logFile = parsedArgs.valueOf(logFileOpt);
System.out.println("Starting Enigma server");
DedicatedEnigmaServer server;
try {
byte[] checksum = Utils.zipSha1(parsedArgs.valueOf(jarOpt));
EnigmaProfile profile = EnigmaProfile.read(profileFile);
Enigma enigma = Enigma.builder().setProfile(profile).build();
System.out.println("Indexing Jar...");
EnigmaProject project = enigma.openJar(jar, new ClasspathClassProvider(), ProgressListener.none());
MappingFormat mappingFormat = MappingFormat.ENIGMA_DIRECTORY;
EntryRemapper mappings;
if (!Files.exists(mappingsFile)) {
mappings = EntryRemapper.empty(project.getJarIndex());
} else {
System.out.println("Reading mappings...");
if (Files.isDirectory(mappingsFile)) {
mappingFormat = MappingFormat.ENIGMA_DIRECTORY;
} else if ("zip".equalsIgnoreCase(MoreFiles.getFileExtension(mappingsFile))) {
mappingFormat = MappingFormat.ENIGMA_ZIP;
} else {
mappingFormat = MappingFormat.ENIGMA_FILE;
}
mappings = EntryRemapper.mapped(project.getJarIndex(), mappingFormat.read(mappingsFile, ProgressListener.none(), profile.getMappingSaveParameters()));
}
PrintWriter log = new PrintWriter(Files.newBufferedWriter(logFile));
server = new DedicatedEnigmaServer(checksum, password, profile, mappingFormat, mappingsFile, log, mappings, port);
server.start();
System.out.println("Server started");
} catch (IOException | MappingParseException e) {
System.err.println("Error starting server!");
e.printStackTrace();
System.exit(1);
return;
}
// noinspection RedundantSuppression
// noinspection Convert2MethodRef - javac 8 bug
Executors.newScheduledThreadPool(1).scheduleAtFixedRate(() -> server.runOnThread(() -> server.saveMappings()), 0, 1, TimeUnit.MINUTES);
Runtime.getRuntime().addShutdownHook(new Thread(server::saveMappings));
while (true) {
try {
server.tasks.take().run();
} catch (InterruptedException e) {
break;
}
}
}
@Override
public synchronized void stop() {
super.stop();
System.exit(0);
}
private void saveMappings() {
mappingFormat.write(getMappings().getObfToDeobf(), getMappings().takeMappingDelta(), mappingsFile, ProgressListener.none(), profile.getMappingSaveParameters());
log.flush();
}
public static class PathConverter implements ValueConverter<Path> {
public static final ValueConverter<Path> INSTANCE = new PathConverter();
PathConverter() {
}
@Override
public Path convert(String path) {
// expand ~ to the home dir
if (path.startsWith("~")) {
// get the home dir
Path dirHome = Paths.get(System.getProperty("user.home"));
// is the path just ~/ or is it ~user/ ?
if (path.startsWith("~/")) {
return dirHome.resolve(path.substring(2));
} else {
return dirHome.getParent().resolve(path.substring(1));
}
}
return Paths.get(path);
}
@Override
public Class<? extends Path> valueType() {
return Path.class;
}
@Override
public String valuePattern() {
return "path";
}
}
}
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