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+// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
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+// then press Enter. You can now see whitespace characters in your code.
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+
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+package au.pfip;
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+
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+import java.util.Objects;
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+
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+/**
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+ * The code below will print the words Hello World
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+ * to the screen, and it is amazing
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+ */
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+public class Main {
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+
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+ private static final double version = 4.0;
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+ public static final String GamesURL = "https://overlord.pfip.au/e107_plugins/timekeeper/timekeeperClientServices/games.json";
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+ public static final String PlaytimeURL = "https://overlord.pfip.au/e107_plugins/timekeeper/timekeeperClientServices/timer.php";
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+ private static String runningGame = "";
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+ private static String activeUser = "";
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+ private static int playTimeRemaining = 0;
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+ private static Boolean shutdownFlag = false;
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+ public static String[] GamesList;
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+ private static String[] Users;
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+
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+ /**
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+ * @param args Commandline arguments
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+ */
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+ public static void main(String[] args) {
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+
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+ // If we couldn't get/make settings just exit as no config available
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+ if(!settings.initialiseSettings())
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+ {
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+ System.out.println("Settings engine failed to initialise, exiting now.");
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+ burnTime(600);
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+ System.exit(0);
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+ }
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+
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+ // If we can't make log files just go on without them
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+ if(!logging.initialiseLogging())
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+ {
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+ System.out.println("Logging engine failed to initialise, we can live without this.");
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+ }
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+
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+ logging.information("Starting Timekeeper " + version);
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+ boolean timekeeperActive = Boolean.parseBoolean(settings.getSetting("TimekeeperActive"));
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+
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+ if(!timekeeperActive)
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+ {
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+ logging.information("Timekeeper is set to not active, bailing out after a long delay.");
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+ System.out.println("Timekeeper is set to not active, bailing out after a long delay.");
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+ burnTime(600);
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+ System.exit(0);
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+ }
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+
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+ Users = settings.getSetting("UsersToMonitor").split(",");
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+
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+ if(Shell.check("/usr/bin/nmcli | /usr/bin/grep \"connected to \"",settings.getSetting("ExemptNetwork")))
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+ {
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+ logging.information("Network " + settings.getSetting("ExemptNetwork") + "detected.");
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+ burnTime(600);
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+ System.exit(0);
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+ }
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+
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+ // Get list of games to be monitored.
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+ communications.getGamesListFromServer();
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+
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+ // Inform users that the Timekeeper is starting up.
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+ for (String user : Users) {
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+ communications.msgPopup("Starting up version " + version + ".",user);
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+ }
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+
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+ registerShutdownHook();
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+ while(!shutdownFlag) {
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+
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+ startChecks();
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+
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+ checkPlayTime();
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+
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+ killGames();
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+
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+ burnTime(60);
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+ }
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+
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+ // Inform users that the Timekeeper is shutting down.
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+ for (String user : Users) {
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+ communications.msgPopup("Shutting down.",user);
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+ }
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+
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+ logging.information("Shutting down.");
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+ }
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+
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+ /**
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+ * Kill running games if there is no playtime left.
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+ */
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+ private static void killGames()
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+ {
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+ if(!Objects.equals(runningGame, "") && playTimeRemaining <= 0) {
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+ System.out.println("Killing " + runningGame + " for user " + activeUser);
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+ communications.msgPopup("Killing: " + runningGame + " as you are out of play time.",activeUser);
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+ killGame(runningGame,activeUser);
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+ //Shell.check("ps aux | grep " + user + " | grep " + game + " | grep -v \"grep\"", game)
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 30){
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+ communications.msgPopup("Notice: You have 30 minutes remaining.",activeUser);
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 5){
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+ communications.msgPopup("Notice: You have 5 minutes remaining.",activeUser);
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 4){
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+ communications.msgPopup("Notice: You have 4 minutes remaining.",activeUser);
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 3){
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+ communications.msgPopup("Notice: You have 3 minutes remaining.",activeUser);
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 2){
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+ communications.msgPopup("Notice: You have 2 minutes remaining.",activeUser);
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+ }else if(!Objects.equals(runningGame, "") && playTimeRemaining == 1){
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+ communications.msgPopup("Notice: You have 1 minute remaining.",activeUser);
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+ }else if(!Objects.equals(activeUser, "")){
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+ System.out.println(activeUser + " still has playtime remaining (" + playTimeRemaining + " minutes).");
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+ }
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+ }
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+
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+ /**
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+ * Get remaining playtime from the server
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+ */
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+ private static void checkPlayTime()
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+ {
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+ if(!Objects.equals(runningGame, "")) {
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+ System.out.println(runningGame);
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+ playTimeRemaining = communications.getPlaytimeFromServer(activeUser, runningGame);
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+ System.out.println(playTimeRemaining);
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+ }else{
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+ System.out.println("No games running.");
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+ }
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+ }
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+
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+ private static void startChecks()
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+ {
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+ for (String user : Users) {
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+ System.out.println("Checking running games for " + user);
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+ checkRunningGames(user);
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+ }
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+ }
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+
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+ private static void checkRunningGames(String user)
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+ {
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+ for (String game : GamesList) {
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+ // ps aux | grep gregory | grep minecraft | grep -v grep
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+ if (Shell.check("/usr/bin/ps aux | /usr/bin/grep " + user + " | /usr/bin/grep " + game + " | /usr/bin/grep -v grep", game)) {
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+ runningGame = game;
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+ activeUser = user;
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+ //System.out.println("Dis true---------");
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+ System.out.println(game + " detected running.");
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+ return;
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+ } else {
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+ //System.out.println(game + " not running.");
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+ runningGame = "";
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+ activeUser = "";
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+ }
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+ }
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+ }
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+
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+ /**
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+ * Burn 60 seconds while watching for shutdown signal.
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+ */
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+ private static void burnTime(int time)
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+ {
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+ System.out.println("burning 60s.");
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+ int timer = time;
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+ while(!shutdownFlag && timer!=0) {
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+ timer--;
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+ try {
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+ //System.out.println("burning " + timer + "s.");
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+ //noinspection BusyWait
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+ Thread.sleep(1000);
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+ } catch (InterruptedException e) {
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+ logging.error("RuntimeException(e) ~ " + e);
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+ }
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+ }
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+ }
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+
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+
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+
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+
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+ private static void registerShutdownHook() {
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+ final Thread mainThread = Thread.currentThread();
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+ Runtime.getRuntime().addShutdownHook(new Thread(() -> {
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+ try {
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+ System.out.println("Shutting down.");
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+ logging.information("Sigterm received.");
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+ Main.setShutdownProcess();
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+ mainThread.join();
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+ } catch (InterruptedException ex) {
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+ logging.error("RuntimeException(e) ~ " + ex);
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+ }
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+
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+ }));
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+ }
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+
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+ static public void setShutdownProcess() {
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+ shutdownFlag = true;
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+ }
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+
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+
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+
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+ public static void killGame(String game, String user)
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+ {
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+
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+ for (int i = 0; i <= 10; i++) {
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+ if (Shell.check("/usr/bin/ps aux | /usr/bin/grep " + user + " | /usr/bin/grep " + game + " | /usr/bin/grep -v grep", game)) {
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+ try{
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+ if(i >= 8) {
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+ Shell.runCmd("/usr/bin/pkill -9 -f " + game);
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+ logging.information("/usr/bin/pkill -9 -f " + game);
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+ logging.information("Killing " + game + " forcefully.");
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+ }else{
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+ Shell.runCmd("/usr/bin/pkill -15 -f " + game);
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+ logging.information("/usr/bin/pkill -15 -f " + game);
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+ logging.information("Killing " + game + " gracefully.");
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+ }
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+ Thread.sleep(1000);
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+ } catch (InterruptedException e) {
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+ logging.error("InterruptedException(e) ~ " + e);
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+ }
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+ } else {
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+ //System.out.println(game + " not running.");
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+ runningGame = "";
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+ activeUser = "";
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+ }
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+ }
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+ }
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+
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+
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+}
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+
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+// check for users logged in now.
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+//ps -eo user,uid | awk 'NR>1 && $2 >= 1000 && ++seen[$2]==1{print $1}'
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gregory
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