content: /*
      This file is part of the HeavenMS MapleStory Server
      Copyleft (L) 2016 - 2019 RonanLana
  
      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 version 3 as published by
      the Free Software Foundation. You may not use, modify or distribute
      this program under any other version of the GNU Affero General Public
      License.
  
      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.server.services.task.channel;
  
  import net.server.services.BaseService;
  import client.status.MonsterStatusEffect;
  import config.YamlConfig;
  import java.util.HashMap;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import net.server.audit.LockCollector;
  import net.server.audit.locks.MonitoredLockType;
  import net.server.audit.locks.MonitoredReentrantLock;
  import net.server.audit.locks.factory.MonitoredReentrantLockFactory;
  import net.server.services.BaseScheduler;
  import net.server.services.SchedulerListener;
  
  /**
   *
   * @author Ronan
   */
  public class MobStatusService extends BaseService {
      
      private MobStatusScheduler mobStatusSchedulers[] = new MobStatusScheduler[YamlConfig.config.server.CHANNEL_LOCKS];
      
      public MobStatusService() {
          for(int i = 0; i < YamlConfig.config.server.CHANNEL_LOCKS; i++) {
              mobStatusSchedulers[i] = new MobStatusScheduler();
          }
      }
      
      @Override
      public void dispose() {
          for(int i = 0; i < YamlConfig.config.server.CHANNEL_LOCKS; i++) {
              if(mobStatusSchedulers[i] != null) {
                  mobStatusSchedulers[i].dispose();
                  mobStatusSchedulers[i] = null;
              }
          }
      }
      
      public void registerMobStatus(int mapid, MonsterStatusEffect mse, Runnable cancelAction, long duration) {
          registerMobStatus(mapid, mse, cancelAction, duration, null, -1);
      }
      
      public void registerMobStatus(int mapid, MonsterStatusEffect mse, Runnable cancelAction, long duration, Runnable overtimeAction, int overtimeDelay) {
          mobStatusSchedulers[getChannelSchedulerIndex(mapid)].registerMobStatus(mse, cancelAction, duration, overtimeAction, overtimeDelay);
      }
      
      public void interruptMobStatus(int mapid, MonsterStatusEffect mse) {
          mobStatusSchedulers[getChannelSchedulerIndex(mapid)].interruptMobStatus(mse);
      }
      
      private class MobStatusScheduler extends BaseScheduler {
  
          private Map<MonsterStatusEffect, MobStatusOvertimeEntry> registeredMobStatusOvertime = new HashMap<>();
          private MonitoredReentrantLock overtimeStatusLock = MonitoredReentrantLockFactory.createLock(MonitoredLockType.CHANNEL_OVTSTATUS, true);
  
          private class MobStatusOvertimeEntry {
              private int procCount;
              private int procLimit;
              private Runnable r;
  
              protected MobStatusOvertimeEntry(int delay, Runnable run) {
                  procCount = 0;
                  procLimit = (int)Math.ceil((float) delay / YamlConfig.config.server.MOB_STATUS_MONITOR_PROC);
                  r = run;
              }
  
              protected void update(List<Runnable> toRun) {
                  procCount++;
                  if(procCount >= procLimit) {
                      procCount = 0;
                      toRun.add(r);
                  }
              }
          }
  
          public MobStatusScheduler() {
              super(MonitoredLockType.CHANNEL_MOBSTATUS);
  
              super.addListener(new SchedulerListener() {
                  @Override
                  public void removedScheduledEntries(List<Object> toRemove, boolean update) {
                      List<Runnable> toRun = new ArrayList<>();
  
                      overtimeStatusLock.lock();
                      try {
                          for(Object mseo : toRemove) {
                              MonsterStatusEffect mse = (MonsterStatusEffect) mseo;
                              registeredMobStatusOvertime.remove(mse);
                          }
  
                          if(update) {
                              // it's probably ok to use one thread for both management & overtime actions
                              List<MobStatusOvertimeEntry> mdoeList = new ArrayList<>(registeredMobStatusOvertime.values());
                              for(MobStatusOvertimeEntry mdoe : mdoeList) {
                                  mdoe.update(toRun);
                              }
                          }
                      } finally {
                          overtimeStatusLock.unlock();
                      }
  
                      for(Runnable r : toRun) {
                          r.run();
                      }
                  }
              });
          }
  
          public void registerMobStatus(MonsterStatusEffect mse, Runnable cancelStatus, long duration, Runnable overtimeStatus, int overtimeDelay) {
              if(overtimeStatus != null) {
                  MobStatusOvertimeEntry mdoe = new MobStatusOvertimeEntry(overtimeDelay, overtimeStatus);
  
                  overtimeStatusLock.lock();
                  try {
                      registeredMobStatusOvertime.put(mse, mdoe);
                  } finally {
                      overtimeStatusLock.unlock();
                  }
              }
  
              registerEntry(mse, cancelStatus, duration);
          }
  
          public void interruptMobStatus(MonsterStatusEffect mse) {
              interruptEntry(mse);
          }
  
          @Override
          public void dispose() {
              disposeLocks();
              super.dispose();
          }
  
          private void disposeLocks() {
              LockCollector.getInstance().registerDisposeAction(new Runnable() {
                  @Override
                  public void run() {
                      emptyLocks();
                  }
              });
          }
  
          private void emptyLocks() {
              overtimeStatusLock = overtimeStatusLock.dispose();
          }
          
      }
      
  }
  