static
ANSC_HANDLE
WebVhoGetOldestGso
(
ANSC_HANDLE hThisObject,
ULONG ulSessionId,
char* identifier,
PUCHAR address,
PULONG pulSessionCount
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_SITE_MANAGER_OBJECT pSiteManager = (PWEB_SITE_MANAGER_OBJECT )pMyObject->hOwnerContext;
WEB_SITE_MANAGER_PROPERTY SMProperty;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY)&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = NULL;
ULONG ulClientAddr = 0;
USHORT usClientPort = 0;
PSINGLE_LINK_ENTRY pSLinkEntry = NULL;
ULONG ulHashIndex = AnscHashUlong(ulSessionId, WEB_VHO_GSO_TABLE_SIZE);
ULONG i;
ULONG ulCSessCount = 0;
PWEB_GENERAL_SESSION_OBJECT pOldSession = NULL;
for ( i = 0; i < WEB_VHO_GSO_TABLE_SIZE; i ++ )
{
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->GsoTable[i]);
while ( pSLinkEntry )
{
pSession = ACCESS_WEB_GENERAL_SESSION_OBJECT(pSLinkEntry);
ulClientAddr = *(PULONG)pSession->GetClientAddr((ANSC_HANDLE)pSession);
usClientPort = pSession->GetClientPort((ANSC_HANDLE)pSession);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( pSession->LsmMaxAge != 0 && ulClientAddr == AnscReadUlong(address) )
{
ulCSessCount ++;
if ( !pOldSession )
{
pOldSession = pSession;
}
else if (
pSession->LastReqAtInSec <= pOldSession->LastReqAtInSec &&
pSession->LastRepAtInSec <= pOldSession->LastRepAtInSec
)
{
pOldSession = pSession;
}
}
}
}
*pulSessionCount = ulCSessCount;
return (ANSC_HANDLE)pSession;
}
ANSC_STATUS
WebVhoDelAllGsos
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY)&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = NULL;
PSINGLE_LINK_ENTRY pSLinkEntry = NULL;
ULONG i = 0;
AnscAcquireLock(&pMyObject->GsoTableLock);
for ( i = 0; i < WEB_VHO_GSO_TABLE_SIZE; i++ )
{
pSLinkEntry = AnscSListPopEntry(&pMyObject->GsoTable[i]);
while ( pSLinkEntry )
{
pSession = ACCESS_WEB_GENERAL_SESSION_OBJECT(pSLinkEntry);
pSLinkEntry = AnscSListPopEntry(&pMyObject->GsoTable[i]);
pSession->AcquireAccess((ANSC_HANDLE)pSession);
returnStatus =
pLsmIf->ExpireSession
(
pLsmIf->hOwnerContext,
(ANSC_HANDLE)pSession
);
pSession->ReleaseAccess((ANSC_HANDLE)pSession);
pSession->Cancel ((ANSC_HANDLE)pSession);
pSession->Remove ((ANSC_HANDLE)pSession);
}
}
AnscReleaseLock(&pMyObject->GsoTableLock);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
WebVhoDelGso
(
ANSC_HANDLE hThisObject,
ULONG ulSessionId,
PUCHAR address,
USHORT port
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY)&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = NULL;
ULONG ulClientAddr = 0;
PSINGLE_LINK_ENTRY pSLinkEntry = NULL;
ULONG ulHashIndex = AnscHashUlong(ulSessionId, WEB_VHO_GSO_TABLE_SIZE);
AnscAcquireLock(&pMyObject->GsoTableLock);
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->GsoTable[ulHashIndex]);
while ( pSLinkEntry )
{
pSession = ACCESS_WEB_GENERAL_SESSION_OBJECT(pSLinkEntry);
ulClientAddr = *(PULONG)pSession->GetClientAddr((ANSC_HANDLE)pSession);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( (pSession->GetSessionId((ANSC_HANDLE)pSession) == ulSessionId ) &&
(ulClientAddr == AnscReadUlong(address)) )
{
AnscSListPopEntryByLink(&pMyObject->GsoTable[ulHashIndex], &pSession->Linkage);
pSession->AcquireAccess((ANSC_HANDLE)pSession);
returnStatus =
pLsmIf->EndSession
(
pLsmIf->hOwnerContext,
(ANSC_HANDLE)pSession
);
pSession->ReleaseAccess((ANSC_HANDLE)pSession);
pSession->Cancel ((ANSC_HANDLE)pSession);
pSession->Remove ((ANSC_HANDLE)pSession);
}
}
AnscReleaseLock(&pMyObject->GsoTableLock);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
WebVhoLsmNewContact
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hSession
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY )&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = (PWEB_GENERAL_SESSION_OBJECT)hSession;
returnStatus =
pSession->SetLsmIdentifier
(
(ANSC_HANDLE)pSession,
WEB_DEF_LSM_CLIENT_ID
);
return returnStatus;
}
ANSC_HANDLE
WebVhoAddGso
(
ANSC_HANDLE hThisObject,
char* identifier,
PUCHAR address,
USHORT port
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY)&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = NULL;
ULONG ulHashIndex = 0;
pMyObject->GlobalSidCount++;
if ( pMyObject->GlobalSidCount >= 0x7FFFFFFF )
{
pMyObject->GlobalSidCount = 0;
}
pSession =
(PWEB_GENERAL_SESSION_OBJECT)WebCreateGeneralSession
(
pMyObject->hContainerContext,
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)NULL
);
if ( !pSession )
{
return (ANSC_HANDLE)NULL;
}
else
{
pSession->SetHfpIf ((ANSC_HANDLE)pSession, (ANSC_HANDLE)pHfpIf );
pSession->SetSessionId ((ANSC_HANDLE)pSession, pMyObject->GlobalSidCount );
pSession->SetClientAddr ((ANSC_HANDLE)pSession, address );
pSession->SetClientPort ((ANSC_HANDLE)pSession, port );
pSession->SetLsmContext ((ANSC_HANDLE)pSession, (ANSC_HANDLE)NULL );
pSession->SetLsmMaxAge ((ANSC_HANDLE)pSession, pProperty->LsmCookieMaxAge );
pSession->SetLsmExpire ((ANSC_HANDLE)pSession, pProperty->SessionTimeOut );
pSession->SetMaxLifespan((ANSC_HANDLE)pSession, pProperty->SessionMaxLifespan);
}
if ( identifier )
{
pSession->SetLsmIdentifier((ANSC_HANDLE)pSession, identifier);
returnStatus =
pLsmIf->ClassifyClient
(
pLsmIf->hOwnerContext,
(ANSC_HANDLE)pSession
);
}
else
{
returnStatus =
pLsmIf->NewContact
(
pLsmIf->hOwnerContext,
(ANSC_HANDLE)pSession
);
}
ulHashIndex = AnscHashUlong(pSession->SessionId, WEB_VHO_GSO_TABLE_SIZE);
pSession->HashIndex = ulHashIndex;
AnscAcquireLock(&pMyObject->GsoTableLock);
pSession->AcquireAccess((ANSC_HANDLE)pSession);
pSession->Engage ((ANSC_HANDLE)pSession);
AnscSListPushEntry(&pMyObject->GsoTable[ulHashIndex], &pSession->Linkage);
AnscReleaseLock(&pMyObject->GsoTableLock);
return (ANSC_HANDLE)pSession;
}
ANSC_HANDLE
WebVhoGetGso
(
ANSC_HANDLE hThisObject,
ULONG ulSessionId,
char* identifier,
PUCHAR address,
USHORT port
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PWEB_VIRTUAL_HOST_OBJECT pMyObject = (PWEB_VIRTUAL_HOST_OBJECT )hThisObject;
PWEB_SITE_MANAGER_OBJECT pSiteManager = (PWEB_SITE_MANAGER_OBJECT )pMyObject->hOwnerContext;
WEB_SITE_MANAGER_PROPERTY SMProperty;
PWEB_VIRTUAL_HOST_PROPERTY pProperty = (PWEB_VIRTUAL_HOST_PROPERTY)&pMyObject->Property;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PWEB_LSM_INTERFACE pLsmIf = (PWEB_LSM_INTERFACE )pMyObject->hLsmIf;
PWEB_GENERAL_SESSION_OBJECT pSession = NULL;
ULONG ulClientAddr = 0;
USHORT usClientPort = 0;
PSINGLE_LINK_ENTRY pSLinkEntry = NULL;
ULONG ulHashIndex = AnscHashUlong(ulSessionId, WEB_VHO_GSO_TABLE_SIZE);
ULONG i;
ULONG ulCSessCount = 0;
PWEB_GENERAL_SESSION_OBJECT pOldSession = NULL;
AnscAcquireLock(&pMyObject->GsoTableLock);
if ( ulSessionId != 0xFFFFFFFF )
{
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->GsoTable[ulHashIndex]);
while ( pSLinkEntry )
{
pSession = ACCESS_WEB_GENERAL_SESSION_OBJECT(pSLinkEntry);
ulClientAddr = *(PULONG)pSession->GetClientAddr((ANSC_HANDLE)pSession);
usClientPort = pSession->GetClientPort((ANSC_HANDLE)pSession);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( pSession->GetLsmMaxAge((ANSC_HANDLE)pSession) == 0 )
{
/* this session is marked to be closed */
continue;
}
if ( (pSession->GetSessionId((ANSC_HANDLE)pSession) == ulSessionId) &&
(ulClientAddr == AnscReadUlong(address)) )
{
char* pLsmId = pSession->GetLsmIdentifier((ANSC_HANDLE)pSession);
if ( !identifier )
{
if ( !pLsmId || AnscSizeOfString(pLsmId) == 0 )
{
AnscReleaseLock(&pMyObject->GsoTableLock);
pSession->AcquireAccess((ANSC_HANDLE)pSession);
return (ANSC_HANDLE)pSession;
}
else
{
break;
}
}
else if ( AnscEqualString
(
pLsmId,
identifier,
TRUE
) )
{
AnscReleaseLock(&pMyObject->GsoTableLock);
pSession->AcquireAccess((ANSC_HANDLE)pSession);
return (ANSC_HANDLE)pSession;
}
else
{
break;
}
}
}
}
else
{
for ( i = 0; i < WEB_VHO_GSO_TABLE_SIZE; i ++ )
{
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->GsoTable[i]);
while ( pSLinkEntry )
{
pSession = ACCESS_WEB_GENERAL_SESSION_OBJECT(pSLinkEntry);
ulClientAddr = *(PULONG)pSession->GetClientAddr((ANSC_HANDLE)pSession);
usClientPort = pSession->GetClientPort((ANSC_HANDLE)pSession);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( (ulClientAddr == AnscReadUlong(address)) && usClientPort == port )
{
AnscReleaseLock(&pMyObject->GsoTableLock);
/* same connection */
pSession->AcquireAccess((ANSC_HANDLE)pSession);
return (ANSC_HANDLE)pSession;
}
}
}
}
pSiteManager->GetProperty((ANSC_HANDLE)pSiteManager, &SMProperty);
pOldSession =
(PWEB_GENERAL_SESSION_OBJECT)WebVhoGetOldestGso
(
(ANSC_HANDLE)pMyObject,
ulSessionId,
identifier,
address,
&ulCSessCount
);
if ( pOldSession && SMProperty.MaxSessionCountPerPeer != 0 && ulCSessCount >= SMProperty.MaxSessionCountPerPeer )
{
pOldSession->Terminate((ANSC_HANDLE)pOldSession);
}
AnscReleaseLock(&pMyObject->GsoTableLock);
/*
* We couldn't find a general session object for this client, we shall create a new one and
* let the Logical Session Manager classify the client based on his/her identifier.
*/
pSession =
(PWEB_GENERAL_SESSION_OBJECT)pMyObject->AddGso
(
(ANSC_HANDLE)pMyObject,
identifier,
address,
port
);
return (ANSC_HANDLE)pSession;
}
