mangos/src/game/Maps/MapUpdater.cpp
2018-01-14 10:24:47 +00:00

123 lines
2.9 KiB
C++

/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2018 MaNGOS project <https://getmangos.eu>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#include "MapUpdater.h"
#include "DelayExecutor.h"
#include "Map.h"
#include "DatabaseEnv.h"
#include <ace/Guard_T.h>
#include <ace/Method_Request.h>
class MapUpdateRequest : public ACE_Method_Request
{
private:
Map& m_map;
MapUpdater& m_updater;
ACE_UINT32 m_diff;
public:
MapUpdateRequest(Map& m, MapUpdater& u, ACE_UINT32 d)
: m_map(m), m_updater(u), m_diff(d)
{
}
virtual int call()
{
m_map.Update (m_diff);
m_updater.update_finished();
return 0;
}
};
MapUpdater::MapUpdater():
m_executor(), m_mutex(), m_condition(m_mutex), pending_requests(0)
{
}
MapUpdater::~MapUpdater()
{
deactivate();
}
int MapUpdater::activate(size_t num_threads)
{
return m_executor.activate((int)num_threads);
}
int MapUpdater::deactivate()
{
wait();
return m_executor.deactivate();
}
int MapUpdater::wait()
{
ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, m_mutex, -1);
while (pending_requests > 0)
m_condition.wait();
return 0;
}
int MapUpdater::schedule_update(Map& map, ACE_UINT32 diff)
{
ACE_GUARD_RETURN(ACE_Thread_Mutex, guard, m_mutex, -1);
++pending_requests;
if (m_executor.execute(new MapUpdateRequest(map, *this, diff)) == -1)
{
ACE_DEBUG((LM_ERROR, ACE_TEXT("(%t) \n"), ACE_TEXT("Failed to schedule Map Update")));
--pending_requests;
return -1;
}
return 0;
}
bool MapUpdater::activated()
{
return m_executor.activated();
}
void MapUpdater::update_finished()
{
ACE_GUARD(ACE_Thread_Mutex, guard, m_mutex);
if (pending_requests == 0)
{
ACE_ERROR((LM_ERROR, ACE_TEXT("(%t)\n"), ACE_TEXT("MapUpdater::update_finished BUG, report to devs")));
return;
}
--pending_requests;
m_condition.broadcast();
}