ANSC_STATUS
BwrmPmoAddPage
(
ANSC_HANDLE hThisObject,
char* root_path,
char* file_path,
ANSC_HANDLE hCookedPage
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PBWRM_PAGE_MANAGER_OBJECT pMyObject = (PBWRM_PAGE_MANAGER_OBJECT )hThisObject;
PBWRM_PAGE_MANAGER_PROPERTY pProperty = (PBWRM_PAGE_MANAGER_PROPERTY )&pMyObject->Property;
PANSC_TIMER_DESCRIPTOR_OBJECT pCacheTimerObject = (PANSC_TIMER_DESCRIPTOR_OBJECT)pMyObject->hCacheTimerObject;
PBWRM_COOKED_PAGE_OBJECT pCookedPage = (PBWRM_COOKED_PAGE_OBJECT )hCookedPage;
ULONG ulHashIndex = (ULONG )AnscHashString(file_path, AnscSizeOfString(file_path), BWRM_PMO_CPO_TABLE_SIZE);
ULONG ulPageCount = 0;
ULONG ulCurTime = AnscGetTickInSeconds();
pMyObject->Timestamp = ulCurTime;
pCookedPage->SetRootPath ((ANSC_HANDLE)pCookedPage, root_path);
pCookedPage->SetPagePath ((ANSC_HANDLE)pCookedPage, file_path);
pCookedPage->SetTimestamp((ANSC_HANDLE)pCookedPage, ulCurTime);
pCookedPage->IncRefCount ((ANSC_HANDLE)pCookedPage );
AnscAcquireLock (&pMyObject->CpoTableLock);
AnscSListPushEntry(&pMyObject->CpoTable[ulHashIndex], &pCookedPage->Linkage);
AnscReleaseLock (&pMyObject->CpoTableLock);
if ( TRUE )
{
ulPageCount = pMyObject->GetPageCount((ANSC_HANDLE)pMyObject);
if ( ulPageCount == 1 )
{
pCacheTimerObject->Start((ANSC_HANDLE)pCacheTimerObject);
}
else if ( ulPageCount > pProperty->CacheEntryCount )
{
pCookedPage = (PBWRM_COOKED_PAGE_OBJECT)pMyObject->GetOldestPage((ANSC_HANDLE)pMyObject);
if ( pCookedPage && 0 == pCookedPage->GetRefCount((ANSC_HANDLE)pCookedPage) )
{
returnStatus =
pMyObject->DelPage
(
(ANSC_HANDLE)pMyObject,
pCookedPage->GetRootPath((ANSC_HANDLE)pCookedPage),
pCookedPage->GetPagePath((ANSC_HANDLE)pCookedPage)
);
}
}
}
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
BwrmPmoDelAllPages
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PBWRM_PAGE_MANAGER_OBJECT pMyObject = (PBWRM_PAGE_MANAGER_OBJECT )hThisObject;
PBWRM_PAGE_MANAGER_PROPERTY pProperty = (PBWRM_PAGE_MANAGER_PROPERTY )&pMyObject->Property;
PANSC_TIMER_DESCRIPTOR_OBJECT pCacheTimerObject = (PANSC_TIMER_DESCRIPTOR_OBJECT)pMyObject->hCacheTimerObject;
PBWRM_COOKED_PAGE_OBJECT pCookedPage = (PBWRM_COOKED_PAGE_OBJECT )NULL;
PSINGLE_LINK_ENTRY pSLinkEntry = (PSINGLE_LINK_ENTRY )NULL;
ULONG i = 0;
ULONG ulPageInUse = 0;
AnscAcquireLock(&pMyObject->CpoTableLock);
for ( i = 0; i < BWRM_PMO_CPO_TABLE_SIZE; i++ )
{
pSLinkEntry = AnscSListPopEntry(&pMyObject->CpoTable[i]);
while ( pSLinkEntry )
{
pCookedPage = ACCESS_BWRM_COOKED_PAGE_OBJECT(pSLinkEntry);
pSLinkEntry = AnscSListPopEntry(&pMyObject->CpoTable[i]);
if ( 0 == pCookedPage->GetRefCount((ANSC_HANDLE)pCookedPage) )
{
pCookedPage->Remove((ANSC_HANDLE)pCookedPage);
}
else
{
ulPageInUse ++;
}
}
}
AnscReleaseLock(&pMyObject->CpoTableLock);
if ( 0 == ulPageInUse )
{
pCacheTimerObject->Stop((ANSC_HANDLE)pCacheTimerObject);
}
return ANSC_STATUS_SUCCESS;
}