69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
*
|
||
|
|
* @file kibertilecache.cpp
|
||
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
|
||
|
|
* @brief
|
||
|
|
* @see The GNU Public License (GPL) Version 3
|
||
|
|
* @defgroup OPMapWidget
|
||
|
|
* @{
|
||
|
|
*
|
||
|
|
*****************************************************************************/
|
||
|
|
/*
|
||
|
|
* 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, write to the Free Software Foundation, Inc.,
|
||
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
#include "kibertilecache.h"
|
||
|
|
|
||
|
|
// TODO add readwrite lock
|
||
|
|
|
||
|
|
namespace core {
|
||
|
|
KiberTileCache::KiberTileCache()
|
||
|
|
{
|
||
|
|
memoryCacheSize = 0;
|
||
|
|
_MemoryCacheCapacity = 22;
|
||
|
|
}
|
||
|
|
|
||
|
|
void KiberTileCache::setMemoryCacheCapacity(const int &value)
|
||
|
|
{
|
||
|
|
kiberCacheLock.lockForWrite();
|
||
|
|
_MemoryCacheCapacity = value;
|
||
|
|
kiberCacheLock.unlock();
|
||
|
|
}
|
||
|
|
int KiberTileCache::MemoryCacheCapacity()
|
||
|
|
{
|
||
|
|
kiberCacheLock.lockForRead();
|
||
|
|
return _MemoryCacheCapacity;
|
||
|
|
|
||
|
|
kiberCacheLock.unlock();
|
||
|
|
}
|
||
|
|
|
||
|
|
void KiberTileCache::RemoveMemoryOverload()
|
||
|
|
{
|
||
|
|
while (MemoryCacheSize() > MemoryCacheCapacity()) {
|
||
|
|
if (cachequeue.count() > 0 && list.count() > 0) {
|
||
|
|
#ifdef DEBUG_MEMORY_CACHE
|
||
|
|
qDebug() << "Cleaning Memory cache=" << " started with " << cachequeue.count() << " tile " << "ocupying " << memoryCacheSize << " bytes";
|
||
|
|
#endif
|
||
|
|
RawTile first = list.dequeue();
|
||
|
|
memoryCacheSize -= cachequeue.value(first).size();
|
||
|
|
cachequeue.remove(first);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#ifdef DEBUG_MEMORY_CACHE
|
||
|
|
qDebug() << "Cleaning Memory cache=" << " ended with " << cachequeue.count() << " tile " << "ocupying " << memoryCacheSize << " bytes";
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|