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#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.start((int)num_threads);
}
int MapUpdater::deactivate()
{
wait();
return m_executor.deactivate();
}
int MapUpdater::wait()
{
TRINITY_GUARD(ACE_Thread_Mutex, m_mutex);
while (pending_requests > 0)
m_condition.wait();
return 0;
}
int MapUpdater::schedule_update(Map& map, ACE_UINT32 diff)
{
TRINITY_GUARD(ACE_Thread_Mutex, m_mutex);
++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()
{
TRINITY_GUARD(ACE_Thread_Mutex, 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();
}
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