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_HANDLE
BwrmPmoGetPage
(
ANSC_HANDLE hThisObject,
char* root_path,
char* file_path
)
{
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 ulHashIndex = (ULONG )AnscHashString(file_path, AnscSizeOfString(file_path), BWRM_PMO_CPO_TABLE_SIZE);
ULONG ulCurTime = AnscGetTickInSeconds();
pMyObject->Timestamp = ulCurTime;
AnscAcquireLock(&pMyObject->CpoTableLock);
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->CpoTable[ulHashIndex]);
while ( pSLinkEntry )
{
pCookedPage = ACCESS_BWRM_COOKED_PAGE_OBJECT(pSLinkEntry);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( pCookedPage->MatchPath
(
(ANSC_HANDLE)pCookedPage,
root_path,
file_path
) )
{
pCookedPage->SetTimestamp((ANSC_HANDLE)pCookedPage, ulCurTime);
pCookedPage->IncRefCount ((ANSC_HANDLE)pCookedPage);
AnscReleaseLock(&pMyObject->CpoTableLock);
return (ANSC_HANDLE)pCookedPage;
}
}
AnscReleaseLock(&pMyObject->CpoTableLock);
return (ANSC_HANDLE)NULL;
}
ANSC_HANDLE
Bmc2ReqcoPecGetCookedPage
(
ANSC_HANDLE hThisObject,
char* page_path
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PBMC2_REQ_CONTROLLER_OBJECT pMyObject = (PBMC2_REQ_CONTROLLER_OBJECT)hThisObject;
PBMC2_ENV_CONTROLLER_OBJECT pBmc2EnvController = (PBMC2_ENV_CONTROLLER_OBJECT)pMyObject->hBmc2EnvController;
PBMC2_COM_DOMAIN_OBJECT pBmc2ComDomain = (PBMC2_COM_DOMAIN_OBJECT )pMyObject->hBmc2ComDomain;
PBMC2_COM_TERMINAL_OBJECT pBmc2ComTerminal = (PBMC2_COM_TERMINAL_OBJECT )pBmc2ComDomain->hBmc2ComTerminal;
PBMC2_COM_EXECUTOR_OBJECT pBmc2ComExecutor = (PBMC2_COM_EXECUTOR_OBJECT )pBmc2EnvController->hBmc2ComExecutor;
PBWRM_ENV_CONTROLLER_OBJECT pBwrmEnvController = (PBWRM_ENV_CONTROLLER_OBJECT)pBmc2EnvController->hBwrmEnvController;
PBWRM_RAM_INTERFACE pBwrmRamIf = (PBWRM_RAM_INTERFACE )pBwrmEnvController->GetBwrmRamIf((ANSC_HANDLE)pBwrmEnvController);
char* pRootPath = (char* )pBmc2EnvController->Property.RootPath;
PBWRM_COOKED_PAGE_OBJECT pBwrmCookedPage = (PBWRM_COOKED_PAGE_OBJECT )NULL;
void* pPageBuffer = (void* )NULL;
ULONG ulPageSize = (ULONG )0;
/*
* The script parsing can take fairly long time, which mandates some sort of page caching
* mechanism to be used. The BWRM (BroadWay Web Resource Manager) module is responsible for
* file-based page access and page caching. We first try to retrieve the requested page from
* the in-memory cache, and only load the page from the underlying storage system if the
* requested page is not in the cache.
*/
returnStatus =
pBwrmRamIf->GetCookedPage
(
pBwrmRamIf->hOwnerContext,
pRootPath,
page_path,
&pBwrmCookedPage
);
if ( returnStatus != ANSC_STATUS_SUCCESS )
{
returnStatus =
pBwrmRamIf->GetRawPage
(
pBwrmRamIf->hOwnerContext,
pRootPath,
page_path,
&pPageBuffer,
&ulPageSize
);
if ( returnStatus != ANSC_STATUS_SUCCESS )
{
return (ANSC_HANDLE)NULL;
}
else
{
pBwrmCookedPage =
(PBWRM_COOKED_PAGE_OBJECT)pBmc2ComExecutor->PreparePage
(
(ANSC_HANDLE)pBmc2ComExecutor,
page_path,
pPageBuffer,
ulPageSize
);
}
if ( !pBwrmCookedPage )
{
AnscFreeMemory(pPageBuffer);
return (ANSC_HANDLE)NULL;
}
else if ( pBmc2EnvController->Property.bCacheScpPages || pBwrmRamIf->IsPageCacheForced(pBwrmRamIf->hOwnerContext, page_path) )
{
returnStatus =
pBwrmRamIf->AddCookedPage
(
pBwrmRamIf->hOwnerContext,
pRootPath,
page_path,
(ANSC_HANDLE)pBwrmCookedPage
);
}
else
{
pBwrmCookedPage->SetRootPath ((ANSC_HANDLE)pBwrmCookedPage, pRootPath );
pBwrmCookedPage->SetPagePath ((ANSC_HANDLE)pBwrmCookedPage, page_path );
pBwrmCookedPage->SetTimestamp((ANSC_HANDLE)pBwrmCookedPage, AnscGetTickInSeconds());
}
}
return (ANSC_HANDLE)pBwrmCookedPage;
}