actual freya branch

2026-09-12 15:41:31 +00:00
parent 8049e0a882
commit 68c1cd27d4
3510 changed files with 336689 additions and 302906 deletions
@@ -0,0 +1,104 @@
+/* This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU 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 General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.l2jserver.util;
+
+import java.lang.management.LockInfo;
+import java.lang.management.ManagementFactory;
+import java.lang.management.MonitorInfo;
+import java.lang.management.ThreadInfo;
+import java.lang.management.ThreadMXBean;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import com.l2jserver.Config;
+import com.l2jserver.gameserver.Announcements;
+import com.l2jserver.gameserver.Shutdown;
+
+/**
+ * @author -Nemesiss- L2M
+ */
+public class DeadLockDetector extends Thread
+{
+	private static Logger _log = Logger.getLogger(DeadLockDetector.class.getName());
+	
+	private static final int _sleepTime = Config.DEADLOCK_CHECK_INTERVAL * 1000;
+	
+	private final ThreadMXBean tmx;
+	
+	public DeadLockDetector()
+	{
+		super("DeadLockDetector");
+		tmx = ManagementFactory.getThreadMXBean();
+	}
+	
+	@Override
+	public final void run()
+	{
+		boolean deadlock = false;
+		while (!deadlock)
+		{
+			try
+			{
+				long[] ids = tmx.findDeadlockedThreads();
+				
+				if (ids != null)
+				{
+					deadlock = true;
+					ThreadInfo[] tis = tmx.getThreadInfo(ids, true, true);
+					String info = "DeadLock Found!\n";
+					for (ThreadInfo ti : tis)
+					{
+						info += ti.toString();
+					}
+					
+					for (ThreadInfo ti : tis)
+					{
+						LockInfo[] locks = ti.getLockedSynchronizers();
+						MonitorInfo[] monitors = ti.getLockedMonitors();
+						if ((locks.length == 0) && (monitors.length == 0))
+						{
+							continue;
+						}
+						
+						ThreadInfo dl = ti;
+						info += "Java-level deadlock:\n";
+						info += "\t" + dl.getThreadName() + " is waiting to lock " + dl.getLockInfo().toString() + " which is held by " + dl.getLockOwnerName() + "\n";
+						while ((dl = tmx.getThreadInfo(new long[]
+						{
+							dl.getLockOwnerId()
+						}, true, true)[0]).getThreadId() != ti.getThreadId())
+						{
+							info += "\t" + dl.getThreadName() + " is waiting to lock " + dl.getLockInfo().toString() + " which is held by " + dl.getLockOwnerName() + "\n";
+						}
+					}
+					_log.warning(info);
+					
+					if (Config.RESTART_ON_DEADLOCK)
+					{
+						Announcements an = Announcements.getInstance();
+						an.announceToAll("Server has stability issues - restarting now.");
+						Shutdown.getInstance().startTelnetShutdown("DeadLockDetector - Auto Restart", 60, true);
+					}
+					
+				}
+				Thread.sleep(_sleepTime);
+			}
+			catch (Exception e)
+			{
+				_log.log(Level.WARNING, "DeadLockDetector: ", e);
+			}
+		}
+	}
+}