purgeinfo_t *ShmPrivatePurgeData::findTagInfo(int idTag)
{
shm_purgedata_t *pData = NULL;
shm_privpurgedata_t *pList =
(shm_privpurgedata_t *)m_pool->offset2ptr(m_shmoff);
lock();
LsShmOffset_t offData = pList->x_listhead;
while (offData != 0)
{
pData = (shm_purgedata_t *)m_pool->offset2ptr(offData);
if (pData->x_purgeinfo.idTag == idTag)
{
// LOG4CXX_NS::Logger::getRootLogger()->debug(
// "tag: %d, entry timestamp: %d.%d, purge timestamp: %d.%d, flag, %d",
// idTag, sec, (int)msec, pData->x_purgeinfo.tmSecs,
// pData->x_purgeinfo.tmMsec, pData->x_purgeinfo.flags );
unlock();
return &pData->x_purgeinfo;
}
offData = pData->x_offNext;
}
unlock();
return NULL;
}
LsShmOffset_t ShmPrivatePurgeData::addUpdate(purgeinfo_t *pInfo)
{
shm_purgedata_t *pData;
shm_privpurgedata_t *pList =
(shm_privpurgedata_t *)m_pool->offset2ptr(m_shmoff);
lock();
pList->x_tmLastUpdate = DateTime::s_curTime;
LsShmOffset_t offData = pList->x_listhead;
while (offData != 0)
{
pData = (shm_purgedata_t *)m_pool->offset2ptr(offData);
if (pData->x_purgeinfo.idTag == pInfo->idTag)
break;
offData = pData->x_offNext;
}
if (offData == 0)
{
int remapped = 0;
offData = m_pool->alloc2(sizeof(shm_purgedata_t), remapped);
if (remapped)
pList = (shm_privpurgedata_t *)m_pool->offset2ptr(m_shmoff);
if (offData != 0)
{
pData = (shm_purgedata_t *)m_pool->offset2ptr(offData);
pData->x_offNext = pList->x_listhead;
pList->x_listhead = offData;
}
else
{
unlock();
return 0;
}
}
memmove(&pData->x_purgeinfo, pInfo, sizeof(*pInfo));
unlock();
return offData;
}
void ShmPrivatePurgeData::unlock()
{
shm_privpurgedata_t *pList =
(shm_privpurgedata_t *)m_pool->offset2ptr(m_shmoff);
ls_spinlock_unlock(&pList->x_lock);
}
