From 0337c1eb531c48bc730817e1e77714c24108985f Mon Sep 17 00:00:00 2001
From: yoyosource <yoyosource@nidido.de>
Date: Fri, 2 Apr 2021 18:54:46 +0200
Subject: [PATCH] Add BauSystem shutdown after 5 minutes no player or 80
 percentage memory load

---
 .../src/de/steamwar/bausystem/BauSystem.java  | 33 ++++++++++++-------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java b/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java
index dd6e8c9..571a510 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java
@@ -46,6 +46,7 @@ import org.bukkit.scheduler.BukkitTask;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.lang.management.ManagementFactory;
 import java.util.UUID;
 import java.util.logging.Level;
 
@@ -171,19 +172,27 @@ public class BauSystem extends JavaPlugin implements Listener {
             if (autoShutdown != null) {
                 autoShutdown.cancel();
             }
-            /*autoShutdown = Bukkit.getScheduler().runTaskTimer(this, () -> {
-                try {
-                    ProcessBuilder processBuilder = new ProcessBuilder("/bin/bash", "-c", "free");
-                    Process process = processBuilder.start();
-                    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
-                    bufferedReader.readLine();
-                    String s = bufferedReader.readLine();
-                } catch (IOException exception) {
-                    Bukkit.shutdown();
+            autoShutdown = Bukkit.getScheduler().runTaskTimer(this, new Runnable() {
+                int count = 0;
+
+                @Override
+                public void run() {
+                    if (count >= 5) {
+                        Bukkit.shutdown();
+                        return;
+                    }
+                    count++;
+                    try {
+                        long memorySize = ((com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean()).getTotalPhysicalMemorySize();
+                        long freeMemory = ((com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean()).getFreePhysicalMemorySize();
+                        if ((memorySize - freeMemory) / (double) memorySize > 0.8) {
+                            Bukkit.shutdown();
+                        }
+                    } catch (Throwable throwable) {
+                        Bukkit.shutdown();
+                    }
                 }
-            }, 1200, 1200);*/
-            // (Runtime.getRuntime().maxMemory() - Runtime.getRuntime().freeMemory()) / Runtime.getRuntime().maxMemory() > 0.8
-            autoShutdown = Bukkit.getScheduler().runTaskLater(this, Bukkit::shutdown, 6000);
+            }, 1200, 1200);
         }
     }