forked from metin2/server
70 lines
1.1 KiB
C++
70 lines
1.1 KiB
C++
#ifndef __INC_COMMON_CACHE_H__
|
|
#define __INC_COMMON_CACHE_H__
|
|
|
|
template <typename T> class cache
|
|
{
|
|
public:
|
|
cache()
|
|
: m_bNeedQuery(false), m_expireTime(600), m_lastUpdateTime(0)
|
|
{
|
|
m_lastFlushTime = time(0);
|
|
|
|
memset( &m_data, 0, sizeof(m_data) );
|
|
}
|
|
|
|
T * Get(bool bUpdateTime = true)
|
|
{
|
|
if (bUpdateTime)
|
|
m_lastUpdateTime = time(0);
|
|
|
|
return &m_data;
|
|
}
|
|
|
|
void Put(T * pNew, bool bSkipQuery = false)
|
|
{
|
|
thecore_memcpy(&m_data, pNew, sizeof(T));
|
|
m_lastUpdateTime = time(0);
|
|
|
|
if (!bSkipQuery)
|
|
m_bNeedQuery = true;
|
|
}
|
|
|
|
bool CheckFlushTimeout()
|
|
{
|
|
if (m_bNeedQuery && time(0) - m_lastFlushTime > m_expireTime)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CheckTimeout()
|
|
{
|
|
if (time(0) - m_lastUpdateTime > m_expireTime)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void Flush()
|
|
{
|
|
if (!m_bNeedQuery)
|
|
return;
|
|
|
|
OnFlush();
|
|
m_bNeedQuery = false;
|
|
m_lastFlushTime = time(0);
|
|
}
|
|
|
|
virtual void OnFlush() = 0;
|
|
|
|
|
|
protected:
|
|
T m_data;
|
|
bool m_bNeedQuery;
|
|
time_t m_expireTime;
|
|
time_t m_lastUpdateTime;
|
|
time_t m_lastFlushTime;
|
|
};
|
|
|
|
#endif
|