/
Server.java
1131 lines (992 loc) · 37.9 KB
/
Server.java
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/*
* D3Backend
* Copyright (C) 2015 - 2016 Dries007 & Double Door Development
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.doubledoordev.backend.server;
import com.google.gson.annotations.Expose;
import net.doubledoordev.backend.Main;
import net.doubledoordev.backend.permissions.User;
import net.doubledoordev.backend.server.query.MCQuery;
import net.doubledoordev.backend.server.query.QueryResponse;
import net.doubledoordev.backend.util.*;
import net.doubledoordev.backend.util.exceptions.AuthenticationException;
import net.doubledoordev.backend.util.exceptions.BackupException;
import net.doubledoordev.backend.util.exceptions.ServerOfflineException;
import net.doubledoordev.backend.util.exceptions.ServerOnlineException;
import net.doubledoordev.backend.util.methodCaller.IMethodCaller;
import net.doubledoordev.backend.web.socket.ServerconsoleSocketApplication;
import net.doubledoordev.cmd.CurseModpackDownloader;
import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.progress.ProgressMonitor;
import org.apache.commons.io.FileUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.util.Strings;
import java.io.*;
import java.lang.reflect.Field;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.file.Files;
import java.util.*;
import static net.doubledoordev.backend.util.Constants.*;
/**
* Class that holds methods related to Server instances.
* The json based data is in a separate class for easy GSON integration.
*
* @author Dries007
*/
@SuppressWarnings("UnusedDeclaration")
public class Server
{
public static final String SERVER_PROPERTIES = "server.properties";
public static final String SERVER_PORT = "server-port";
public static final String QUERY_PORT = "query.port";
public static final String QUERY_ENABLE = "enable-query";
public static final String SERVER_IP = "server-ip";
@Expose
private final Map<String, Dimension> dimensionMap = new HashMap<>();
/**
* Diskspace var + timer to avoid long page load times.
*/
public int[] size = new int[3];
public QueryResponse cachedResponse;
/*
* START exposed Json data
*/
@Expose
private String ID;
@Expose
private Integer serverPort = 25565;
@Expose
private String ip = "";
@Expose
private String owner = "";
@Expose
private List<String> admins = new ArrayList<>();
@Expose
private List<String> coOwners = new ArrayList<>();
/*
* END exposed Json data
*/
@Expose
private RestartingInfo restartingInfo = new RestartingInfo();
@Expose
private JvmData jvmData = new JvmData();
//@Expose
//private RoastOptions roastOptions = new RoastOptions();
/**
* Used to reroute server output to our console.
* NOT LOGGED TO FILE!
*/
private Logger logger;
private File folder;
private File propertiesFile;
private long propertiesFileLastModified = 0L;
private Properties properties = new Properties();
/**
* MCQuery and QueryResponse instances + timer to avoid long page load times.
*/
private MCQuery query;
/**
* The process the server will be running in
*/
private Process process;
private long startTime;
private boolean starting = false;
private File backupFolder;
private WorldManager worldManager = new WorldManager(this);
private User ownerObject;
private boolean downloading = false;
public Server(String ID, String owner)
{
this.ID = ID;
this.owner = owner;
}
private Server()
{
}
/*
* ========================================================================================
* ========================================================================================
* PUBLIC METHODS
*/
public void init()
{
if (this.logger != null) return; // don't do this twice.
this.logger = LogManager.getLogger(ID);
this.folder = new File(SERVERS, ID);
this.backupFolder = new File(BACKUPS, ID);
this.propertiesFile = new File(folder, SERVER_PROPERTIES);
if (!backupFolder.exists()) backupFolder.mkdirs();
if (!folder.exists()) folder.mkdir();
try
{
SizeCounter sizeCounter = new SizeCounter();
Files.walkFileTree(getFolder().toPath(), sizeCounter);
size[0] = sizeCounter.getSizeInMB();
sizeCounter = new SizeCounter();
if (getBackupFolder().exists()) Files.walkFileTree(getBackupFolder().toPath(), sizeCounter);
size[1] = sizeCounter.getSizeInMB();
size[2] = size[0] + size[1];
}
catch (IOException ignored)
{
}
try
{
getProperties();
saveProperties();
}
catch (IOException e)
{
e.printStackTrace();
}
}
/*
* ========================================================================================
* GETTERS
*/
public String getIp()
{
return ip;
}
public boolean isDownloading()
{
return downloading;
}
public boolean isStarting()
{
return starting;
}
public MCQuery getQuery()
{
if (query == null) query = new MCQuery(LOCALHOST, serverPort);
return query;
}
public Process getProcess()
{
return process;
}
/**
* @return server.properties file
*/
public Properties getProperties()
{
if (propertiesFile.exists() && propertiesFile.lastModified() > propertiesFileLastModified)
{
try
{
//properties.load(new StringReader(FileUtils.readFileToString(propertiesFile, "latin1")));
properties.load(new StringReader(FileUtils.readFileToString(propertiesFile)));
}
catch (IOException e)
{
e.printStackTrace();
}
}
normalizeProperties();
return properties;
}
/**
* Get all server.properties keys
*
* @return the value
*/
public Enumeration<Object> getPropertyKeys()
{
return properties.keys();
}
public String getIP()
{
return ip;
}
/**
* Get a server.properties
*
* @param key the key
* @return the value
*/
public String getProperty(String key)
{
return properties.getProperty(key);
}
/**
* Check server online status.
* Ony detects when the process is started by us.
* Bypass this limitation with RCon
*/
public boolean getOnline()
{
try
{
if (process == null) return false;
process.exitValue();
return false;
}
catch (IllegalThreadStateException e)
{
return true;
}
}
/**
* @return Human readable server address
*/
public String getDisplayAddress()
{
StringBuilder builder = new StringBuilder(25);
if (ip != null && ip.trim().length() != 0) builder.append(ip);
else if (Strings.isNotBlank(Settings.SETTINGS.hostname)) builder.append(Settings.SETTINGS.hostname);
builder.append(':').append(serverPort);
return builder.toString();
}
public int getPid()
{
if (process == null) return -1;
try
{
Class<?> ProcessImpl = process.getClass();
Field field = ProcessImpl.getDeclaredField("pid");
field.setAccessible(true);
return field.getInt(process);
}
catch (NoSuchFieldException | IllegalAccessException | IllegalArgumentException e)
{
return -1;
}
}
public int getServerPort()
{
return serverPort;
}
public int getOnlinePlayers()
{
return cachedResponse == null ? 0 : cachedResponse.getOnlinePlayers();
}
public int getSlots()
{
return cachedResponse == null ? -1 : cachedResponse.getMaxPlayers();
}
public String getMotd()
{
return cachedResponse == null ? "?" : cachedResponse.getMotd();
}
public String getGameMode()
{
return cachedResponse == null ? "?" : cachedResponse.getGameMode();
}
public String getMapName()
{
return cachedResponse == null ? "?" : cachedResponse.getMapName();
}
public ArrayList<String> getPlayerList()
{
return cachedResponse == null ? new ArrayList<String>() : cachedResponse.getPlayerList();
}
public String getPlugins()
{
return cachedResponse == null ? "?" : cachedResponse.getPlugins();
}
public String getVersion()
{
return cachedResponse == null ? "?" : cachedResponse.getVersion();
}
public String getGameID()
{
return cachedResponse == null ? "?" : cachedResponse.getGameID();
}
public String getID()
{
return ID;
}
public String getOwner()
{
return owner;
}
public List<String> getAdmins()
{
return admins;
}
public User getOwnerObject()
{
if (ownerObject == null) ownerObject = Settings.getUserByName(getOwner());
if (ownerObject == null)
{
for (User user : Settings.SETTINGS.users.values())
{
if (user.isAdmin())
{
ownerObject = user;
break;
}
}
}
return ownerObject;
}
public List<String> getCoOwners()
{
return coOwners;
}
public File getBackupFolder()
{
return backupFolder;
}
public int[] getDiskspaceUse()
{
return size;
}
public WorldManager getWorldManager()
{
return worldManager;
}
public Map<String, Dimension> getDimensionMap()
{
return dimensionMap;
}
public File getFolder()
{
return folder;
}
@Override
public String toString()
{
return getID();
}
public RestartingInfo getRestartingInfo()
{
if (restartingInfo == null) restartingInfo = new RestartingInfo();
return restartingInfo;
}
public JvmData getJvmData()
{
if (jvmData == null) jvmData = new JvmData();
return jvmData;
}
public Collection<String> getPossibleJarnames()
{
LinkedHashSet<String> names = new LinkedHashSet<>();
names.addAll(Arrays.asList(folder.list(ACCEPT_FORGE_FILTER)));
names.addAll(Arrays.asList(folder.list(ACCEPT_MINECRAFT_SERVER_FILTER)));
names.addAll(Arrays.asList(folder.list(ACCEPT_ALL_JAR_FILTER)));
return names;
}
public long getStartTime()
{
return startTime;
}
/*
* ========================================================================================
* SETTERS
*/
/**
* Set a server.properties property and save the file.
*
* @param key the key
* @param value the value
* @throws ServerOnlineException when the server is online
*/
public void setProperty(IMethodCaller caller, String key, String value) throws IOException
{
if (!isCoOwner(caller.getUser())) throw new AuthenticationException();
properties.put(key, value);
normalizeProperties();
saveProperties();
}
public void setOwner(IMethodCaller methodCaller, String username)
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
ownerObject = null;
owner = username;
update();
}
public void setServerPort(IMethodCaller caller, int serverPort) throws IOException
{
if (!isCoOwner(caller.getUser())) throw new AuthenticationException();
this.serverPort = serverPort;
normalizeProperties();
}
public void setIP(IMethodCaller caller, String IP) throws IOException
{
if (!isCoOwner(caller.getUser())) throw new AuthenticationException();
this.ip = IP;
normalizeProperties();
}
/*
* ========================================================================================
* SETTERS VIA DOWNLOADERS
*/
/**
* Remove the old and download the new server jar file
*/
public void setVersion(final IMethodCaller methodCaller, final String version) throws BackupException
{
if (getOnline()) throw new ServerOnlineException();
if (downloading) throw new IllegalStateException("Already downloading something.");
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
final Server instance = this;
new Thread(new Runnable()
{
@Override
public void run()
{
downloading = true;
try
{
worldManager.doMakeAllOfTheBackup(methodCaller);
// delete old files
for (File file : folder.listFiles(ACCEPT_MINECRAFT_SERVER_FILTER)) FileUtils.forceDelete(file);
for (File file : folder.listFiles(ACCEPT_FORGE_FILTER)) FileUtils.forceDelete(file);
File jarfile = new File(folder, getJvmData().jarName);
if (jarfile.exists()) FileUtils.forceDelete(jarfile);
File tempFile = new File(folder, getJvmData().jarName + ".tmp");
// Downloading new file
Download download = new Download(new URL(Constants.MC_SERVER_JAR_URL.replace("%ID%", version)), tempFile);
long lastTime = System.currentTimeMillis();
int lastInfo = 0;
while (download.getStatus() == Download.Status.Downloading)
{
if (download.getSize() != -1)
{
methodCaller.sendMessage(String.format("Download is %dMB", (download.getSize() / (1024 * 1024))));
printLine(String.format("Download is %dMB", (download.getSize() / (1024 * 1024))));
break;
}
Thread.sleep(10);
}
//methodCaller.sendProgress(0);
while (download.getStatus() == Download.Status.Downloading)
{
if ((download.getProgress() - lastInfo >= 5) || (System.currentTimeMillis() - lastTime > 1000 * 10))
{
lastInfo = (int) download.getProgress();
lastTime = System.currentTimeMillis();
//methodCaller.sendProgress(download.getProgress());
printLine(String.format("Downloaded %2.0f%% (%dMB / %dMB)", download.getProgress(), (download.getDownloaded() / (1024 * 1024)), (download.getSize() / (1024 * 1024))));
}
Thread.sleep(10);
}
if (download.getStatus() == Download.Status.Error)
{
throw new Exception(download.getMessage());
}
methodCaller.sendDone();
tempFile.renameTo(jarfile);
instance.update();
}
catch (Exception e)
{
error(e);
}
downloading = false;
}
}, getID() + "-jar-downloader").start();
}
/**
* Downloads and uses specific forge installer
*/
public void installForge(final IMethodCaller methodCaller, final String name) throws BackupException
{
if (getOnline()) throw new ServerOnlineException();
final String version = Helper.getForgeVersionForName(name);
if (version == null) throw new IllegalArgumentException("Forge with ID " + name + " not found.");
if (downloading) throw new IllegalStateException("Already downloading something.");
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
final Server instance = this;
new Thread(new Runnable()
{
@Override
public void run()
{
downloading = true;
try
{
worldManager.doMakeAllOfTheBackup(methodCaller);
// delete old files
for (File file : folder.listFiles(ACCEPT_MINECRAFT_SERVER_FILTER)) FileUtils.forceDelete(file);
for (File file : folder.listFiles(ACCEPT_FORGE_FILTER)) FileUtils.forceDelete(file);
// download new files
String url = Constants.FORGE_INSTALLER_URL.replace("%ID%", version);
String forgeName = url.substring(url.lastIndexOf('/'));
File forge = new File(folder, forgeName);
FileUtils.copyURLToFile(new URL(url), forge);
// run installer
List<String> arguments = new ArrayList<>();
arguments.add(Constants.getJavaPath());
arguments.add("-Xmx1G");
arguments.add("-jar");
arguments.add(forge.getName());
arguments.add("--installServer");
ProcessBuilder builder = new ProcessBuilder(arguments);
builder.directory(folder);
builder.redirectErrorStream(true);
final Process process = builder.start();
printLine(arguments.toString());
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line;
while ((line = reader.readLine()) != null)
{
methodCaller.sendMessage(line);
printLine(line);
}
try
{
process.waitFor();
}
catch (InterruptedException e)
{
e.printStackTrace();
}
for (String name : folder.list(ACCEPT_FORGE_FILTER)) getJvmData().jarName = name;
FileUtils.forceDelete(forge);
methodCaller.sendDone();
printLine("Forge installer done.");
instance.update();
}
catch (IOException e)
{
printLine("##################################################################");
printLine("Error installing a new forge version (version " + version + ")");
printLine(e.toString());
printLine("##################################################################");
methodCaller.sendError(Helper.getStackTrace(e));
e.printStackTrace();
}
downloading = false;
}
}, getID() + "-forge-installer").start();
}
public void downloadModpack(final IMethodCaller methodCaller, final String zipURL, final boolean purge, final boolean cuseZip) throws IOException, ZipException, BackupException
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
if (downloading) throw new IllegalStateException("Already downloading something.");
final Server instance = this;
new Thread(new Runnable()
{
@Override
public void run()
{
try
{
downloading = true;
worldManager.doMakeAllOfTheBackup(methodCaller);
if (purge)
{
for (File file : folder.listFiles(Constants.ACCEPT_ALL_FILTER))
{
FileUtils.forceDelete(file);
}
}
if (!folder.exists()) folder.mkdirs();
final File zip = new File(folder, "modpack.zip");
if (zip.exists()) FileUtils.forceDelete(zip);
zip.createNewFile();
printLine("Downloading zip...");
Download download = new Download(new URL(URLDecoder.decode(zipURL, "UTF-8")), zip);
long lastTime = System.currentTimeMillis();
int lastInfo = 0;
while (download.getStatus() == Download.Status.Downloading)
{
if (download.getSize() != -1)
{
methodCaller.sendMessage(String.format("Download is %dMB", (download.getSize() / (1024 * 1024))));
printLine(String.format("Download is %dMB", (download.getSize() / (1024 * 1024))));
break;
}
Thread.sleep(10);
}
//methodCaller.sendProgress(0);
while (download.getStatus() == Download.Status.Downloading)
{
if ((download.getProgress() - lastInfo >= 5) || (System.currentTimeMillis() - lastTime > 1000 * 10))
{
lastInfo = (int) download.getProgress();
lastTime = System.currentTimeMillis();
//methodCaller.sendProgress(download.getProgress());
printLine(String.format("Downloaded %2.0f%% (%dMB / %dMB)", download.getProgress(), (download.getDownloaded() / (1024 * 1024)), (download.getSize() / (1024 * 1024))));
}
Thread.sleep(10);
}
if (download.getStatus() == Download.Status.Error)
{
throw new Exception(download.getMessage());
}
if (cuseZip)
{
CurseModpackDownloader curseModpackDownloader = new CurseModpackDownloader();
curseModpackDownloader.eula = true;
curseModpackDownloader.server = true;
curseModpackDownloader.input = zip;
curseModpackDownloader.output = folder;
curseModpackDownloader.ignoreExistingMods = true;
curseModpackDownloader.logger = new OutWrapper(System.out, methodCaller, instance);
curseModpackDownloader.run();
FileUtils.forceDelete(zip);
printLine("Done extracting & installing zip.");
}
else
{
printLine("Downloading zip done, extracting...");
ZipFile zipFile = new ZipFile(zip);
zipFile.setRunInThread(true);
zipFile.extractAll(folder.getCanonicalPath());
lastTime = System.currentTimeMillis();
lastInfo = 0;
while (zipFile.getProgressMonitor().getState() == ProgressMonitor.STATE_BUSY)
{
if (zipFile.getProgressMonitor().getPercentDone() - lastInfo >= 10 || System.currentTimeMillis() - lastTime > 1000 * 10)
{
lastInfo = zipFile.getProgressMonitor().getPercentDone();
lastTime = System.currentTimeMillis();
printLine(String.format("Extracting %d%%", zipFile.getProgressMonitor().getPercentDone()));
}
Thread.sleep(10);
}
//methodCaller.sendProgress(100);
FileUtils.forceDelete(zip);
printLine("Done extracting zip.");
}
methodCaller.sendDone();
}
catch (Exception e)
{
printLine("##################################################################");
printLine("Error installing a modpack");
printLine(e.toString());
printLine("##################################################################");
methodCaller.sendError(Helper.getStackTrace(e));
e.printStackTrace();
}
downloading = false;
}
}, getID() + "-modpack-installer").start();
}
/*
* ========================================================================================
* REMOVE and ADD methods
*/
public void removeAdmin(IMethodCaller methodCaller, String name)
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
Iterator<String> i = admins.iterator();
while (i.hasNext())
{
if (i.next().equalsIgnoreCase(name)) i.remove();
}
update();
}
public void addAdmin(IMethodCaller methodCaller, String name)
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
admins.add(name);
update();
}
public void addCoowner(IMethodCaller methodCaller, String name)
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
coOwners.add(name);
update();
}
public void removeCoowner(IMethodCaller methodCaller, String name)
{
if (!isCoOwner(methodCaller.getUser())) throw new AuthenticationException();
Iterator<String> i = coOwners.iterator();
while (i.hasNext())
{
if (i.next().equalsIgnoreCase(name)) i.remove();
}
update();
}
/*
* ========================================================================================
* MAKE or RENEW methods
*/
public void renewQuery()
{
try
{
cachedResponse = getQuery().fullStat();
}
catch (SocketTimeoutException ignored)
{
}
catch (IOException e)
{
Main.LOGGER.error("Caught IOException from server {} (on port {})", ID, serverPort);
Main.LOGGER.catching(e);
}
}
private void saveProperties() throws IOException
{
if (!propertiesFile.exists()) propertiesFile.createNewFile();
FileOutputStream outputStream = new FileOutputStream(propertiesFile);
Properties properties = getProperties();
properties.store(outputStream, "Modified by the backend");
propertiesFileLastModified = propertiesFile.lastModified();
outputStream.close();
}
/**
* Start the server in a process controlled by us.
* Threaded to avoid haning.
*
* @throws ServerOnlineException
*/
public void startServer() throws Exception
{
if (getOnline() || starting) throw new ServerOnlineException();
if (downloading) throw new Exception("Still downloading something. You can see the progress in the server console.");
if (new File(folder, getJvmData().jarName + ".tmp").exists()) throw new Exception("Minecraft server jar still downloading...");
if (!new File(folder, getJvmData().jarName).exists()) throw new FileNotFoundException(getJvmData().jarName + " not found.");
User user = Settings.getUserByName(getOwner());
if (user == null) throw new Exception("No owner set??");
if (user.getMaxRamLeft() != -1 && getJvmData().ramMax > user.getMaxRamLeft()) throw new Exception("Out of usable RAM. Lower your max RAM.");
saveProperties();
starting = true;
final Server instance = this;
for (String blocked : SERVER_START_ARGS_BLACKLIST_PATTERNS) if (getJvmData().extraJavaParameters.contains(blocked)) throw new Exception("JVM/MC options contain a blocked option: " + blocked);
for (String blocked : SERVER_START_ARGS_BLACKLIST_PATTERNS) if (getJvmData().extraMCParameters.contains(blocked)) throw new Exception("JVM/MC options contain a blocked option: " + blocked);
File eula = new File(getFolder(), "eula.txt");
if (!eula.exists())
{
try
{
FileUtils.writeStringToFile(eula, "#The server owner indicated to agree with the EULA when submitting the from that produced this server instance.\n" +
"#That means that there is no need for extra halting of the server startup sequence with this stupid file.\n" +
"#" + new Date().toString() + "\n" +
"eula=true\n");
}
catch (IOException e)
{
printLine("Error making the eula file....");
e.printStackTrace();
}
}
new Thread(new Runnable()
{
@Override
public void run()
{
printLine("Starting server ................");
try
{
/**
* Build arguments list.
*/
List<String> arguments = new ArrayList<>();
arguments.add(Constants.getJavaPath());
arguments.add("-DServerOwner=\"" + owner + '"');
arguments.add("-server");
{
int amount = getJvmData().ramMin;
if (amount > 0) arguments.add(String.format("-Xms%dM", amount));
amount = getJvmData().ramMax;
if (amount > 0) arguments.add(String.format("-Xmx%dM", amount));
amount = getJvmData().permGen;
if (amount > 0) arguments.add(String.format("-XX:MaxPermSize=%dm", amount));
}
if (Strings.isNotBlank(getJvmData().extraJavaParameters))
{
for (String arg : getJvmData().extraJavaParameters.split(" ")) arguments.add(arg);
}
arguments.add("-jar");
arguments.add(getJvmData().jarName);
arguments.add("nogui");
if (Strings.isNotBlank(getJvmData().extraMCParameters))
{
for (String arg : getJvmData().extraMCParameters.split(" ")) arguments.add(arg);
}
// Debug printout
printLine("Arguments: " + arguments.toString());
/**
* Make ProcessBuilder, set rundir, and make sure the io gets redirected
*/
ProcessBuilder pb = new ProcessBuilder(arguments);
pb.directory(folder);
pb.redirectErrorStream(true);
if (!new File(folder, getJvmData().jarName).exists()) return; // for reasons of WTF?
process = pb.start();
startTime = System.currentTimeMillis();
new Thread(new Runnable()
{
@Override
public void run()
{
try
{
printLine("----=====##### STARTING SERVER #####=====-----");
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line;
while ((line = reader.readLine()) != null)
{
printLine(line);
}
printLine("----=====##### SERVER PROCESS HAS ENDED #####=====-----");
instance.update();
}
catch (IOException e)
{
error(e);
}
}
}, ID.concat("-streamEater")).start();
instance.update();
}
catch (IOException e)
{
error(e);
}
starting = false;
}
}, "ServerStarter-" + getID()).start(); // <-- Very important call.
}
public void printLine(String line)
{
line = Helper.stripColor(line);
logger.info(line);
ServerconsoleSocketApplication.sendLine(this, line);
}
public void error(Throwable e)
{
logger.catching(e);
StringWriter error = new StringWriter();
e.printStackTrace(new PrintWriter(error));
ServerconsoleSocketApplication.sendLine(this, error.toString());
}
/**
* Stop the server gracefully
*/
public boolean stopServer(String message)
{
if (!getOnline()) return false;