ANSC_STATUS
AnscLpccoTcpBwoRemove
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hSocket
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_LPCCO_TCP_OBJECT pMyObject = (PANSC_LPCCO_TCP_OBJECT )hThisObject;
PANSC_DAEMON_SERVER_TCP_OBJECT pDaemonServer = (PANSC_DAEMON_SERVER_TCP_OBJECT)pMyObject->hDaemonServer;
PANSC_BROKER_SERVER_TCP_OBJECT pBrokerServer = (PANSC_BROKER_SERVER_TCP_OBJECT)pMyObject->hBrokerServer;
PANSC_TIMER_DESCRIPTOR_OBJECT pConnTimerObj = (PANSC_TIMER_DESCRIPTOR_OBJECT )pMyObject->hConnTimerObj;
PANSC_BROKER_SOCKET_TCP_OBJECT pBrokerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)hSocket;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )pBrokerSocket->GetBufferContext((ANSC_HANDLE)pBrokerSocket);
PANSC_LPC_PARTY_ADDR pPartyAddr = (PANSC_LPC_PARTY_ADDR )pBrokerSocket->GetClientContext((ANSC_HANDLE)pBrokerSocket);
pBrokerSocket->SetClientContext((ANSC_HANDLE)pBrokerSocket, (ANSC_HANDLE)NULL );
pBrokerSocket->SetBufferContext((ANSC_HANDLE)pBrokerSocket, NULL, 0, (ANSC_HANDLE)NULL);
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
if ( pPartyAddr )
{
pPartyAddr->Timestamp = AnscGetTickInSeconds();
pPartyAddr->PartyState &= ~ANSC_LPC_PARTY_STATE_connectedOut;
pPartyAddr->PartySocket = (ANSC_HANDLE)NULL;
/*
* We shouldn't return until the reference count of 'pPartyAddr' reaches zero. Because if
* we do, the socket may be deleted while there's still active task is trying to send
* message to this party. For example: if LPC manager is issuing a LOCO call to all LPC
* parties while one party is trying disconnect, a race condition is formed.
*/
while ( pPartyAddr->ActiveCalls > 0 )
{
AnscSleep(20);
}
if ( !(pPartyAddr->PartyState & ANSC_LPC_PARTY_STATE_connectedIn ) &&
!(pPartyAddr->PartyState & ANSC_LPC_PARTY_STATE_connectedOut) )
{
if ( pMyObject->bActive )
{
pConnTimerObj->Stop ((ANSC_HANDLE)pConnTimerObj);
pConnTimerObj->SetInterval((ANSC_HANDLE)pConnTimerObj, ANSC_LPCCO_DEF_CONN_TIMEOUT);
pConnTimerObj->Start ((ANSC_HANDLE)pConnTimerObj);
}
}
}
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
HttpPsoVer2DelAllTros
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_PSO_VER2_OBJECT pMyObject = (PHTTP_PSO_VER2_OBJECT )hThisObject;
PHTTP_ADVANCED_PROXY_OBJECT pAdvancedProxy = (PHTTP_ADVANCED_PROXY_OBJECT)pMyObject->hOwnerContext;
PHTTP_WAM_INTERFACE pWamIf = (PHTTP_WAM_INTERFACE )pMyObject->hWamIf;
PHTTP_TRANS_RECORD_OBJECT pTransRecord = NULL;
PSINGLE_LINK_ENTRY pSLinkEntry = NULL;
PANSC_BROKER_SOCKET_TCP_OBJECT pServerSocket = NULL;
AnscAcquireLock(&pMyObject->TroSListLock);
pSLinkEntry = AnscSListPopEntry(&pMyObject->TroSList);
while ( pSLinkEntry )
{
pTransRecord = ACCESS_HTTP_TRANS_RECORD_OBJECT(pSLinkEntry);
pSLinkEntry = AnscSListPopEntry(&pMyObject->TroSList);
returnStatus =
pWamIf->Close
(
pWamIf->hOwnerContext,
(ANSC_HANDLE)pTransRecord
);
pTransRecord->AcquireAccess((ANSC_HANDLE)pTransRecord);
pServerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)pTransRecord->GetServerSocket((ANSC_HANDLE)pTransRecord);
if ( pServerSocket )
{
pServerSocket->SetClientContext((ANSC_HANDLE)pServerSocket, (ANSC_HANDLE)NULL );
pServerSocket->ToClean ((ANSC_HANDLE)pServerSocket, TRUE, HTTP_APO_SOCKET_TTC);
}
pTransRecord->ReleaseAccess((ANSC_HANDLE)pTransRecord);
pTransRecord->Close ((ANSC_HANDLE)pTransRecord);
pTransRecord->Return ((ANSC_HANDLE)pTransRecord);
}
AnscReleaseLock(&pMyObject->TroSListLock);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
HttpSpoPrvwoRemove
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hSocket
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_SIMPLE_PROXY_OBJECT pMyObject = (PHTTP_SIMPLE_PROXY_OBJECT )hThisObject;
PHTTP_SIMPLE_PROXY_PROPERTY pProperty = (PHTTP_SIMPLE_PROXY_PROPERTY )&pMyObject->Property;
PANSC_SIMPLE_PROXY_TCP_OBJECT pSimpleProxy = (PANSC_SIMPLE_PROXY_TCP_OBJECT )pMyObject->hSimpleProxy;
PHTTP_WAM_INTERFACE pWamIf = (PHTTP_WAM_INTERFACE )pMyObject->hWamIf;
PANSC_DAEMON_SOCKET_TCP_OBJECT pClientSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)hSocket;
PANSC_BROKER_SOCKET_TCP_OBJECT pServerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)NULL;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )pClientSocket->GetBufferContext((ANSC_HANDLE)pClientSocket);
PHTTP_PROXY_SESSION_OBJECT pSession = NULL;
AnscTrace
(
"PrvwoRemove removes the client connection of %d.%d.%d.%d / TCP %d\n",
pClientSocket->PeerAddress.Dot[0],
pClientSocket->PeerAddress.Dot[1],
pClientSocket->PeerAddress.Dot[2],
pClientSocket->PeerAddress.Dot[3],
pClientSocket->PeerPort
);
AnscAcquireLock(&pMyObject->SyncLock);
pSession = (PHTTP_PROXY_SESSION_OBJECT)pClientSocket->GetClientContext((ANSC_HANDLE)pClientSocket);
if ( pSession )
{
pSession->AcquireAccess((ANSC_HANDLE)pSession);
pServerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)pSession->GetServerSocket((ANSC_HANDLE)pSession);
}
else
{
pServerSocket = NULL;
}
if ( pServerSocket )
{
pServerSocket->SetClientContext((ANSC_HANDLE)pServerSocket, (ANSC_HANDLE)NULL );
pServerSocket->ToClean ((ANSC_HANDLE)pServerSocket, TRUE, HTTP_SPO_SOCKET_TTC);
}
AnscReleaseLock(&pMyObject->SyncLock);
/*
* Just a couple regular clean-up tasks to do:
*
* (1) dis-associate the proxy session object from the client socket
* (2) clean the foreign buffer associated with the client socket
* (3) dis-associate the proxy session object from the server socket
*
* Note that we CANNOT clean the foreign buffer associated with the server socket because the
* access to that buffer is NOT synchornized between the prv_recv() and pub_recv routines. It
* SHOULD be done in the pub_remove() function.
*/
pClientSocket->SetClientContext((ANSC_HANDLE)pClientSocket, (ANSC_HANDLE)NULL);
pClientSocket->SetBufferContext((ANSC_HANDLE)pClientSocket, NULL, 0, (ANSC_HANDLE)NULL);
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
if ( !pSession )
{
return ANSC_STATUS_SUCCESS;
}
pSession->ReleaseAccess((ANSC_HANDLE)pSession);
pSession->Close ((ANSC_HANDLE)pSession);
pSession->Return ((ANSC_HANDLE)pSession);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
HttpApoPubwoRemove
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hSocket
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_ADVANCED_PROXY_OBJECT pMyObject = (PHTTP_ADVANCED_PROXY_OBJECT )hThisObject;
PHTTP_ADVANCED_PROXY_PROPERTY pProperty = (PHTTP_ADVANCED_PROXY_PROPERTY )&pMyObject->Property;
PANSC_SIMPLE_PROXY_TCP_OBJECT pSimpleProxy = (PANSC_SIMPLE_PROXY_TCP_OBJECT )pMyObject->hSimpleProxy;
PANSC_BROKER_SOCKET_TCP_OBJECT pServerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)hSocket;
PANSC_DAEMON_SOCKET_TCP_OBJECT pClientSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)NULL;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )pServerSocket->GetBufferContext((ANSC_HANDLE)pServerSocket);
PHTTP_PSO_VER2_OBJECT pPsoVer2 = NULL;
PHTTP_TRANS_RECORD_OBJECT pTransRecord = NULL;
BOOL bRemovePso = FALSE;
AnscTrace
(
"PubwoRemove removes the server connection of %d.%d.%d.%d / TCP %d\n",
pServerSocket->PeerAddress.Dot[0],
pServerSocket->PeerAddress.Dot[1],
pServerSocket->PeerAddress.Dot[2],
pServerSocket->PeerAddress.Dot[3],
pServerSocket->PeerPort
);
AnscAcquireLock(&pMyObject->SyncLock);
pPsoVer2 = (PHTTP_PSO_VER2_OBJECT)pServerSocket->GetClientContext((ANSC_HANDLE)pServerSocket);
if ( pPsoVer2 )
{
pPsoVer2->AcquireAccess((ANSC_HANDLE)pPsoVer2);
pTransRecord =
(PHTTP_TRANS_RECORD_OBJECT)pPsoVer2->AskTroBySocket
(
(ANSC_HANDLE)pPsoVer2,
(ANSC_HANDLE)pServerSocket
);
}
/*
* Just a couple regular clean-up tasks to do:
*
* (1) dis-associate the trans record object from the server socket
* (2) clean the foreign buffer associated with the server socket
* (3) dis-associate the trans record object from the client socket
*
* Note that we CANNOT clean the foreign buffer associated with the client socket because the
* access to that buffer is NOT synchornized between the prv_recv() and pub_recv routines. It
* SHOULD be done in the prv_remove() function.
*/
pServerSocket->SetClientContext((ANSC_HANDLE)pServerSocket, (ANSC_HANDLE)NULL);
pServerSocket->SetBufferContext((ANSC_HANDLE)pServerSocket, NULL, 0, (ANSC_HANDLE)NULL);
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
if ( pTransRecord )
{
pTransRecord->SetServerSocket((ANSC_HANDLE)pTransRecord, (ANSC_HANDLE)NULL );
pTransRecord->SetTransState ((ANSC_HANDLE)pTransRecord, HTTP_TRO_STATE_FINISHED);
pTransRecord->ReleaseAccess ((ANSC_HANDLE)pTransRecord);
}
/*
* The idea of pipeline the client requests over a single client session is great, however, we
* may run into a situation where wrongly-implemented clients are waiting forever for server to
* close the connection. To prevent that, we should close the session if no outstanding trans-
* action needs to be completed.
*/
if ( pPsoVer2 )
{
pTransRecord = (PHTTP_TRANS_RECORD_OBJECT)pPsoVer2->GetLastTro((ANSC_HANDLE)pPsoVer2);
if ( pTransRecord )
{
if ( (pTransRecord->GetTransState((ANSC_HANDLE)pTransRecord) == HTTP_TRO_STATE_FINISHED) &&
(pTransRecord->bCloseConnection == TRUE ) )
{
bRemovePso = TRUE;
pClientSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)pPsoVer2->GetClientSocket((ANSC_HANDLE)pPsoVer2);
if ( pClientSocket )
{
pClientSocket->SetClientContext((ANSC_HANDLE)pClientSocket, (ANSC_HANDLE)NULL );
pClientSocket->ToClean ((ANSC_HANDLE)pClientSocket, FALSE, HTTP_APO_SOCKET_TTC);
}
}
pTransRecord->ReleaseAccess((ANSC_HANDLE)pTransRecord);
}
pPsoVer2->ReleaseAccess((ANSC_HANDLE)pPsoVer2);
}
AnscReleaseLock(&pMyObject->SyncLock);
/*
* If you're wondering why we have to explicitly close the connection here, why not wait until
* triggered by the clients-side actions, here's why: the stupid desktop browsers (i.e., Micro-
* soft IE browsers) will not take any action but waiting for the connection to be closed.
*/
if ( bRemovePso )
{
pPsoVer2->DelAllTros((ANSC_HANDLE)pPsoVer2);
pPsoVer2->Close ((ANSC_HANDLE)pPsoVer2);
pPsoVer2->Return ((ANSC_HANDLE)pPsoVer2);
}
return ANSC_STATUS_SUCCESS;
}