328 lines
10 KiB
Java
328 lines
10 KiB
Java
package net.ME1312.SubServers.Host.Executable;
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import net.ME1312.Galaxi.Library.Container.Container;
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import net.ME1312.Galaxi.Library.Container.Value;
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import net.ME1312.Galaxi.Library.Util;
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import net.ME1312.Galaxi.Library.Version.Version;
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import net.ME1312.SubData.Client.SubDataClient;
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import net.ME1312.SubServers.Host.ExHost;
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import net.ME1312.SubServers.Host.Library.Exception.InvalidServerException;
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import net.ME1312.SubServers.Host.Network.Packet.PacketExControlServer;
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import net.ME1312.SubServers.Host.Network.Packet.PacketExControlServer.Response;
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import net.ME1312.SubServers.Host.SubAPI;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.util.LinkedList;
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import java.util.UUID;
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import java.util.jar.JarFile;
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import java.util.jar.JarInputStream;
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/**
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* Internal SubServer Class
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*/
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public class SubServerImpl {
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private ExHost host;
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private String name;
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private boolean enabled;
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private int port;
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private Value<Boolean> log;
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private String dir;
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private File directory;
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private String executable;
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private Process process;
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private SubLoggerImpl logger;
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private Thread thread;
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private BufferedWriter command;
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private LinkedList<String> queue;
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private String stopcmd;
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private boolean allowrestart;
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/**
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* Creates a SubServer
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*
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* @param host SubServers.Host
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* @param name Name
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* @param enabled Enabled Status
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* @param log Logging Status
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* @param directory Directory
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* @param executable Executable String
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* @param stopcmd Stop Command
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* @throws InvalidServerException
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*/
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public SubServerImpl(ExHost host, String name, boolean enabled, int port, boolean log, String directory, String executable, String stopcmd) throws InvalidServerException {
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Util.nullpo(host, name, enabled, log, directory, executable);
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this.host = host;
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this.name = name;
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this.enabled = enabled;
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this.port = port;
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this.log = new Container<Boolean>(log);
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this.dir = directory;
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this.directory = new File(host.host.getString("Directory"), directory);
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this.executable = executable;
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this.process = null;
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this.logger = new SubLoggerImpl(null, this, name, null, this.log, null);
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this.thread = null;
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this.command = null;
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this.queue = new LinkedList<String>();
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this.stopcmd = stopcmd;
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final File[] locations = new File[] {
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new File(this.directory, "plugins/SubServers.Client.jar"),
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new File(this.directory, "mods/SubServers.Client.jar")
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};
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for (File location : locations) {
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if (location.exists()) {
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try {
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JarInputStream updated = new JarInputStream(ExHost.class.getResourceAsStream("/net/ME1312/SubServers/Host/Library/Files/client.jar"));
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JarFile existing = new JarFile(location);
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if (existing.getManifest().getMainAttributes().getValue("Implementation-Title") != null && existing.getManifest().getMainAttributes().getValue("Implementation-Title").startsWith("SubServers.Client") && existing.getManifest().getMainAttributes().getValue("Specification-Title") != null &&
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updated.getManifest().getMainAttributes().getValue("Implementation-Title") != null && updated.getManifest().getMainAttributes().getValue("Implementation-Title").startsWith("SubServers.Client") && updated.getManifest().getMainAttributes().getValue("Specification-Title") != null) {
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if (new Version(existing.getManifest().getMainAttributes().getValue("Specification-Title")).compareTo(new Version(updated.getManifest().getMainAttributes().getValue("Specification-Title"))) < 0) {
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location.delete();
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Util.copyFromJar(ExHost.class.getClassLoader(), "net/ME1312/SubServers/Host/Library/Files/client.jar", location.getPath());
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}
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}
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existing.close();
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updated.close();
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} catch (Throwable e) {
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host.log.info.println("Couldn't auto-update SubServers.Client for subserver: " + name);
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host.log.error.println(e);
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}
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}
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}
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}
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private void run() {
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boolean falsestart = true;
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int exit = Integer.MIN_VALUE;
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allowrestart = true;
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try {
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ProcessBuilder pb = new ProcessBuilder().command(Executable.parse(host.host.getString("Git-Bash"), executable)).directory(directory);
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pb.environment().put("java", System.getProperty("java.home") + File.separator + "bin" + File.separator + "java");
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pb.environment().put("name", getName());
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if (SubAPI.getInstance().getSubDataNetwork()[0] != null) pb.environment().put("host", SubAPI.getInstance().getName());
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pb.environment().put("address", host.config.get().getMap("Settings").getString("Server-Bind"));
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pb.environment().put("port", Integer.toString(getPort()));
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logger.init();
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process = pb.start();
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falsestart = false;
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host.log.info.println("Now starting " + name);
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logger.process = process;
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logger.start();
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command = new BufferedWriter(new OutputStreamWriter(process.getOutputStream()));
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for (String command : queue) if (process.isAlive()) {
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this.command.write(command);
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this.command.newLine();
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this.command.flush();
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}
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queue.clear();
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if (process.isAlive()) process.waitFor();
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exit = process.exitValue();
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} catch (IOException | InterruptedException e) {
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host.log.error.println(e);
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allowrestart = false;
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if (falsestart) ((SubDataClient) SubAPI.getInstance().getSubDataNetwork()[0]).sendPacket(new PacketExControlServer(this, Response.LAUNCH_EXCEPTION));
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}
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logger.destroy();
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if (SubAPI.getInstance().getSubDataNetwork()[0] != null) { // noinspection UnnecessaryBoxing
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((SubDataClient) SubAPI.getInstance().getSubDataNetwork()[0]).sendPacket(new PacketExControlServer(this, Response.STOPPED, Integer.valueOf(exit), Boolean.valueOf(allowrestart)));
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}
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host.log.info.println(name + " has stopped");
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process = null;
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command = null;
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}
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/**
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* Starts the Server
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*
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* @param address External Logging Address
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*/
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public void start(UUID address) {
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if (isEnabled() && !(thread != null && thread.isAlive())) {
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logger.address = address;
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(thread = new Thread(this::run, SubAPI.getInstance().getAppInfo().getName() + "::Server_Process_Handler(" + name + ')')).start();
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}
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}
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/**
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* Stops the Server
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*/
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public void stop() {
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if (thread != null && thread.isAlive()) {
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try {
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allowrestart = false;
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if (process != null && process.isAlive()) {
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command.write(stopcmd);
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command.newLine();
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command.flush();
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}
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} catch (IOException e) {
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host.log.error.println(e);
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}
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}
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}
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/**
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* Terminates the Server
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*/
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public void terminate() {
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allowrestart = false;
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if (process != null && process.isAlive()) Executable.terminate(process);
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}
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/**
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* Commands the Server
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*
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* @param command Command to Send
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*/
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public void command(String command) {
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Util.nullpo(command);
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if (thread != null && thread.isAlive()) {
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try {
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if (command.equalsIgnoreCase(stopcmd)) allowrestart = false;
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if (process != null && process.isAlive()) {
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this.command.write(command);
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this.command.newLine();
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this.command.flush();
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}
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} catch (IOException e) {
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host.log.error.println(e);
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}
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}
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}
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/**
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* Waits for the Server to Stop
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*
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* @throws InterruptedException
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*/
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public void waitFor() throws InterruptedException {
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while (thread != null && thread.isAlive()) {
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Thread.sleep(250);
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}
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}
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/**
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* Gets the name of the Server
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*
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* @return Server Name
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*/
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public String getName() {
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return name;
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}
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/**
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* If the Server is Running
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*
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* @return Running Status
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*/
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public boolean isRunning() {
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return process != null && process.isAlive();
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}
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/**
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* If the Server is Enabled
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*
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* @return Enabled Status
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*/
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public boolean isEnabled() {
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return enabled;
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}
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/**
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* Set if the Server is Enabled
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*
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* @param value Value
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*/
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public void setEnabled(boolean value) {
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Util.nullpo(value);
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enabled = value;
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}
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/**
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* Get the Port of the Server
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*
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* @return Server Port Number
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*/
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public int getPort() {
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return port;
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}
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/**
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* If the Server is Logging
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*
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* @return Logging Status
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*/
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public boolean isLogging() {
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return log.value();
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}
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/**
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* Set if the Server is Logging
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*
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* @param value Value
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*/
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public void setLogging(boolean value) {
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Util.nullpo(value);
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log.value(value);
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}
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/**
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* Get Process Logger
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*/
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public SubLoggerImpl getLogger() {
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return logger;
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}
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/**
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* Get the Server Directory Path
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*
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* @return Server Directory Path
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*/
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public String getPath() {
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return dir;
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}
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/**
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* Get the Full Server Directory Path
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*
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* @return Full Server Directory Path
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*/
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public String getFullPath() {
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return directory.getPath();
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}
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/**
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* Get the Server's Executable String
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*
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* @return Executable String
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*/
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public String getExecutable() {
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return executable;
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}
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/**
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* Grab the Command to Stop the Server
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*
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* @return Stop Command
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*/
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public String getStopCommand() {
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return stopcmd;
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}
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/**
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* Set the Command that Stops the Server
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*
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* @param value Value
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*/
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public void setStopCommand(String value) {
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Util.nullpo(value);
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stopcmd = value;
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}
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}
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