ANSC_STATUS
HttpPsoVer2FinishedByClient
(
ANSC_HANDLE hThisObject,
PVOID buffer,
ULONG ulSize,
ANSC_HANDLE hBufferContext
)
{
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_SBC_INTERFACE pSbcIf = (PHTTP_SBC_INTERFACE )pMyObject->hSbcIf;
PANSC_DAEMON_SOCKET_TCP_OBJECT pClientSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->hClientSocket;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )hBufferContext;
PHTTP_TRANS_RECORD_OBJECT pTransRecord = (PHTTP_TRANS_RECORD_OBJECT )pMyObject->GetLastTro((ANSC_HANDLE)pMyObject);
if ( !pTransRecord )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
return ANSC_STATUS_INTERNAL_ERROR;
}
else if ( pTransRecord->GetTransState((ANSC_HANDLE)pTransRecord) == HTTP_TRO_STATE_FINISHED )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
pTransRecord->ReleaseAccess((ANSC_HANDLE)pTransRecord);
return ANSC_STATUS_UNAPPLICABLE;
}
buffer = AnscBdoGetBlock (pBufferDesp);
ulSize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
pTransRecord->FinishedByClient
(
(ANSC_HANDLE)pTransRecord,
buffer,
ulSize,
(ANSC_HANDLE)pBufferDesp
);
pTransRecord->ReleaseAccess((ANSC_HANDLE)pTransRecord);
return returnStatus;
}
ANSC_STATUS
HttpWssoFinish
(
ANSC_HANDLE hThisObject,
PVOID buffer,
ULONG ulSize,
ANSC_HANDLE hBufferContext
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_WEBS_SESSION_OBJECT pMyObject = (PHTTP_WEBS_SESSION_OBJECT )hThisObject;
PHTTP_SIMPLE_SERVER_OBJECT pSimpleServer = (PHTTP_SIMPLE_SERVER_OBJECT )pMyObject->hOwnerContext;
PHTTP_WSP_INTERFACE pWspIf = (PHTTP_WSP_INTERFACE )pMyObject->hWspIf;
PANSC_DAEMON_SOCKET_TCP_OBJECT pWebSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->hWebSocket;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )hBufferContext;
PHTTP_WEBS_TRANS_OBJECT pWebsTrans = (PHTTP_WEBS_TRANS_OBJECT )pMyObject->GetEndWsto((ANSC_HANDLE)pMyObject);
if ( !pWebsTrans )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
return ANSC_STATUS_INTERNAL_ERROR;
}
else if ( pWebsTrans->GetTransState((ANSC_HANDLE)pWebsTrans) == HTTP_WSTO_STATE_FINISHED )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
pWebsTrans->ReleaseAccess((ANSC_HANDLE)pWebsTrans);
return ANSC_STATUS_UNAPPLICABLE;
}
buffer = AnscBdoGetBlock (pBufferDesp);
ulSize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
pWebsTrans->Finish
(
(ANSC_HANDLE)pWebsTrans,
buffer,
ulSize,
(ANSC_HANDLE)pBufferDesp
);
pWebsTrans->ReleaseAccess((ANSC_HANDLE)pWebsTrans);
return returnStatus;
}
ANSC_STATUS
AnscDktoTsaSendTlsMessage
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hMessageBdo
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_DAEMON_SOCKET_TCP_OBJECT pMyObject = (PANSC_DAEMON_SOCKET_TCP_OBJECT)hThisObject;
PANSC_DAEMON_SERVER_TCP_OBJECT pServer = (PANSC_DAEMON_SERVER_TCP_OBJECT)pMyObject->hDaemonServer;
PANSC_DAEMON_ENGINE_TCP_OBJECT pEngine = (PANSC_DAEMON_ENGINE_TCP_OBJECT)pMyObject->hDaemonEngine;
PANSC_DSTO_WORKER_OBJECT pWorker = (PANSC_DSTO_WORKER_OBJECT )pServer->hWorker;
PANSC_BUFFER_DESCRIPTOR pPayloadBdo = (PANSC_BUFFER_DESCRIPTOR )hMessageBdo;
if ( pMyObject->bClosed || pMyObject->bBroken )
{
return ANSC_STATUS_UNAPPLICABLE;
}
returnStatus =
pEngine->Send2
(
(ANSC_HANDLE)pEngine,
(ANSC_HANDLE)pMyObject,
AnscBdoGetBlock (pPayloadBdo),
AnscBdoGetBlockSize(pPayloadBdo),
(ANSC_HANDLE)NULL
);
AnscFreeBdo((ANSC_HANDLE)pPayloadBdo);
return returnStatus;
}
ANSC_STATUS
AnscSctoTsaSendTlsMessage
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hMessageBdo
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_SIMPLE_CLIENT_TCP_OBJECT pMyObject = (PANSC_SIMPLE_CLIENT_TCP_OBJECT)hThisObject;
PANSC_SCTO_WORKER_OBJECT pWorker = (PANSC_SCTO_WORKER_OBJECT )pMyObject->hWorker;
PANSC_BUFFER_DESCRIPTOR pPayloadBdo = (PANSC_BUFFER_DESCRIPTOR)hMessageBdo;
returnStatus =
pMyObject->Send2
(
(ANSC_HANDLE)pMyObject,
AnscBdoGetBlock (pPayloadBdo),
AnscBdoGetBlockSize(pPayloadBdo),
(ANSC_HANDLE)NULL
);
AnscFreeBdo((ANSC_HANDLE)pPayloadBdo);
return returnStatus;
}
ANSC_STATUS
HttpWcsoClose
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_WEBC_SESSION_OBJECT pMyObject = (PHTTP_WEBC_SESSION_OBJECT )hThisObject;
PHTTP_WEBC_SESSION_PROPERTY pProperty = (PHTTP_WEBC_SESSION_PROPERTY )&pMyObject->Property;
PANSC_SIMPLE_CLIENT_TCP_OBJECT pTcpSimpleClient = (PANSC_SIMPLE_CLIENT_TCP_OBJECT)pMyObject->hTcpSimpleClient;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )pTcpSimpleClient->GetBufferContext((ANSC_HANDLE)pTcpSimpleClient);
PHTTP_WEBC_TRANS_OBJECT pWebcTrans = (PHTTP_WEBC_TRANS_OBJECT )NULL;
if ( pMyObject->SessionState == HTTP_WCSO_STATE_FINISHED )
{
return ANSC_STATUS_SUCCESS;
}
else
{
pMyObject->SessionState = HTTP_WCSO_STATE_FINISHED;
}
AnscTrace("Http Webc Session Object is to be closed!\n");
if ( !pMyObject->bRemoveMe )
{
pWebcTrans = (PHTTP_WEBC_TRANS_OBJECT)pMyObject->GetEndWcto((ANSC_HANDLE)pMyObject);
if ( pWebcTrans )
{
if ( pWebcTrans->GetTransState((ANSC_HANDLE)pWebcTrans) != HTTP_WCTO_STATE_FINISHED )
{
returnStatus =
pWebcTrans->Abort
(
(ANSC_HANDLE)pWebcTrans,
HTTP_BSP_EVENT_TIMEOUT
);
}
pWebcTrans->ReleaseAccess((ANSC_HANDLE)pWebcTrans);
}
}
pMyObject->DelAllWctos((ANSC_HANDLE)pMyObject);
pTcpSimpleClient->Cancel((ANSC_HANDLE)pTcpSimpleClient);
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
return ANSC_STATUS_SUCCESS;
}
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
HttpTroFinishedByClient
(
ANSC_HANDLE hThisObject,
PVOID buffer,
ULONG ulSize,
ANSC_HANDLE hBufferContext
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_TRANS_RECORD_OBJECT pMyObject = (PHTTP_TRANS_RECORD_OBJECT )hThisObject;
PHTTP_ADVANCED_PROXY_OBJECT pAdvancedProxy = (PHTTP_ADVANCED_PROXY_OBJECT )pMyObject->hOwnerContext;
PHTTP_WAM_INTERFACE pWamIf = (PHTTP_WAM_INTERFACE )pMyObject->hWamIf;
PHTTP_SBC_INTERFACE pSbcIf = (PHTTP_SBC_INTERFACE )pMyObject->hSbcIf;
PANSC_DAEMON_SOCKET_TCP_OBJECT pClientSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->hClientSocket;
PANSC_BROKER_SOCKET_TCP_OBJECT pServerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)pMyObject->hServerSocket;
PHTTP_BMO_REQ_OBJECT pBmoReq = (PHTTP_BMO_REQ_OBJECT )pMyObject->hBmoReq;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )hBufferContext;
ULONG ulBmoState = pBmoReq->GetState((ANSC_HANDLE)pBmoReq);
if ( (ulBmoState == HTTP_BMO_STATE_COMPLETE ) ||
(ulBmoState == HTTP_BMO_STATE_OVER_PACKED) )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
return ANSC_STATUS_UNAPPLICABLE;
}
buffer = AnscBdoGetBlock (pBufferDesp);
ulSize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
pBmoReq->CloseUp
(
(ANSC_HANDLE)pBmoReq,
(ANSC_HANDLE)pBufferDesp
);
return returnStatus;
}
ANSC_STATUS
HttpWstoFinish
(
ANSC_HANDLE hThisObject,
PVOID buffer,
ULONG ulSize,
ANSC_HANDLE hBufferContext
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_WEBS_TRANS_OBJECT pMyObject = (PHTTP_WEBS_TRANS_OBJECT )hThisObject;
PHTTP_SIMPLE_SERVER_OBJECT pSimpleServer = (PHTTP_SIMPLE_SERVER_OBJECT )pMyObject->hOwnerContext;
PHTTP_WSP_INTERFACE pWspIf = (PHTTP_WSP_INTERFACE )pMyObject->hWspIf;
PANSC_DAEMON_SOCKET_TCP_OBJECT pWebSocket = (PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->hWebSocket;
PHTTP_BMO_REQ_OBJECT pBmoReq = (PHTTP_BMO_REQ_OBJECT )pMyObject->hBmoReq;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )hBufferContext;
ULONG ulBmoState = pBmoReq->GetState((ANSC_HANDLE)pBmoReq);
if ( (ulBmoState == HTTP_BMO_STATE_COMPLETE ) ||
(ulBmoState == HTTP_BMO_STATE_OVER_PACKED) )
{
if ( pBufferDesp )
{
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
}
return ANSC_STATUS_UNAPPLICABLE;
}
buffer = AnscBdoGetBlock (pBufferDesp);
ulSize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
pBmoReq->CloseUp
(
(ANSC_HANDLE)pBmoReq,
(ANSC_HANDLE)pBufferDesp
);
return returnStatus;
}
ANSC_STATUS
HttpBmoClearHeaders
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PHTTP_BASIC_MESSAGE_OBJECT pMyObject = (PHTTP_BASIC_MESSAGE_OBJECT)hThisObject;
PHTTP_HFP_INTERFACE pHfpIf = (PHTTP_HFP_INTERFACE )pMyObject->hHfpIf;
PANSC_BUFFER_DESCRIPTOR pHeaderBdo = (PANSC_BUFFER_DESCRIPTOR )pMyObject->hHeaderBdo;
if ( pHeaderBdo )
{
AnscFreeBdo((ANSC_HANDLE)pHeaderBdo);
pMyObject->hHeaderBdo = (ANSC_HANDLE)NULL;
}
pMyObject->DelStartLine((ANSC_HANDLE)pMyObject);
pMyObject->DelAllHfos ((ANSC_HANDLE)pMyObject);
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
AnscDktoTsaRecvAppMessage
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hMessageBdo
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_DAEMON_SOCKET_TCP_OBJECT pMyObject = (PANSC_DAEMON_SOCKET_TCP_OBJECT)hThisObject;
PANSC_DAEMON_SERVER_TCP_OBJECT pServer = (PANSC_DAEMON_SERVER_TCP_OBJECT)pMyObject->hDaemonServer;
PANSC_DAEMON_ENGINE_TCP_OBJECT pEngine = (PANSC_DAEMON_ENGINE_TCP_OBJECT)pMyObject->hDaemonEngine;
PANSC_DSTO_WORKER_OBJECT pWorker = (PANSC_DSTO_WORKER_OBJECT )pServer->hWorker;
PANSC_BUFFER_DESCRIPTOR pPayloadBdo = (PANSC_BUFFER_DESCRIPTOR )hMessageBdo;
void* pRecvBuffer = (void* )NULL;
ANSC_HANDLE hRecvHandle = (ANSC_HANDLE )NULL;
ULONG ulRecvSize = (ULONG )0;
ULONG ulLeftSize = (ULONG )AnscBdoGetBlockSize(pPayloadBdo);
ULONG ulCopySize = (ULONG )0;
ULONG ulServingT1 = 0;
ULONG ulServingT2 = 0;
ULONG ulWaitCount = 0;
/*
* Since the TLS handshake is done in the asynchronous task instead of the socket_recv task,
* it's possible that we start receiving TLS client data traffic (i.e. HTTP) before handshake
* task considers the handshaking is done. To accommodate such race condition, we need to sleep
* for a while if there's no buffer available.
*/
while ( !pMyObject->GetRecvBuffer
(
(ANSC_HANDLE)pMyObject,
&ulRecvSize
) )
{
AnscSleep(10);
ulWaitCount++;
if ( ulWaitCount > 30 ) /* sleep for 300ms */
{
returnStatus = ANSC_STATUS_INTERNAL_ERROR;
goto EXIT1;
}
}
while ( ulLeftSize > 0 )
{
pRecvBuffer =
pMyObject->GetRecvBuffer
(
(ANSC_HANDLE)pMyObject,
&ulRecvSize
);
if ( !pRecvBuffer )
{
returnStatus =
pWorker->Notify
(
pWorker->hWorkerContext,
(ANSC_HANDLE)pMyObject,
ANSC_DSTOWO_EVENT_RESOURCES,
(ANSC_HANDLE)NULL
);
break;
}
else if ( ulRecvSize == 0 )
{
pMyObject->ToClean((ANSC_HANDLE)pMyObject, TRUE, 2);
break;
}
if ( ulRecvSize >= ulLeftSize )
{
ulCopySize = ulLeftSize;
}
else
{
ulCopySize = ulRecvSize;
}
if ( TRUE )
{
AnscCopyMemory
(
pRecvBuffer,
AnscBdoGetBlock(pPayloadBdo),
ulCopySize
);
AnscBdoShrinkRight(pPayloadBdo, ulCopySize);
ulLeftSize -= ulCopySize;
}
pMyObject->RecvBytesCount += ulCopySize;
pMyObject->LastRecvAt = AnscGetTickInSecondsAbs();
/*
* We have successfully transferred the received data into the buffer supplied by the
* socket owener though may not use up the while buffer. Now is time to notify our loyal
* socket owner about this exciting event.
*/
ulServingT1 = AnscGetTickInMilliSeconds();
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
pRecvBuffer,
ulCopySize
);
ulServingT2 = AnscGetTickInMilliSeconds();
pEngine->AvgServingTime =
(pEngine->AvgServingTime == 0)? (ulServingT2 - ulServingT1) : ((ulServingT2 - ulServingT1) + pEngine->AvgServingTime * 7) / 8;
pEngine->TscCount++;
}
goto EXIT1;
/******************************************************************
GRACEFUL ROLLBACK PROCEDURES AND EXIT DOORS
******************************************************************/
EXIT1:
if ( pPayloadBdo )
{
AnscFreeBdo((ANSC_HANDLE)pPayloadBdo);
}
return returnStatus;
}
ANSC_HANDLE
AnscLpccoPopPendingCall
(
ANSC_HANDLE hThisObject,
char* party_name,
ULONG msg_type,
ULONG seq_number,
ULONG error_code,
ANSC_HANDLE output_bdo
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_LPC_CONNECTOR_OBJECT pMyObject = (PANSC_LPC_CONNECTOR_OBJECT)hThisObject;
PANSC_LPCCO_PENDING_CALL pPendingCall = (PANSC_LPCCO_PENDING_CALL )NULL;
PSINGLE_LINK_ENTRY pSLinkEntry = (PSINGLE_LINK_ENTRY )NULL;
AnscAcquireLock(&pMyObject->PcallQueueLock);
pSLinkEntry = AnscQueueGetFirstEntry(&pMyObject->PcallQueue);
while ( pSLinkEntry )
{
pPendingCall = ACCESS_ANSC_LPCCO_PENDING_CALL(pSLinkEntry);
pSLinkEntry = AnscQueueGetNextEntry(pSLinkEntry);
if ( (pPendingCall->ImcpMsgType == msg_type ) &&
(pPendingCall->CallSeqNumber == seq_number) )
{
if ( party_name && pPendingCall->PartyName )
{
if ( !AnscEqualString
(
party_name,
pPendingCall->PartyName,
FALSE
) )
{
continue;
}
}
AnscQueuePopEntryByLink(&pMyObject->PcallQueue, &pPendingCall->Linkage);
AnscReleaseLock(&pMyObject->PcallQueueLock);
if ( TRUE )
{
pPendingCall->CallError = error_code;
pPendingCall->CallOutputBdo = output_bdo;
AnscSetEvent(pPendingCall->CallEvent);
}
return (ANSC_HANDLE)pPendingCall;
}
}
AnscReleaseLock(&pMyObject->PcallQueueLock);
if ( output_bdo )
{
AnscFreeBdo(output_bdo);
}
return (ANSC_HANDLE)NULL;
}
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;
}
ULONG
AnscLpccoTcpBwoQuery
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hSocket,
PVOID buffer,
ULONG ulSize,
PANSC_HANDLE phQueryContext
)
{
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_BROKER_SOCKET_TCP_OBJECT pBrokerSocket = (PANSC_BROKER_SOCKET_TCP_OBJECT)hSocket;
PANSC_BUFFER_DESCRIPTOR pBufferDesp = (PANSC_BUFFER_DESCRIPTOR )pBrokerSocket->GetBufferContext((ANSC_HANDLE)pBrokerSocket);
PANSC_BUFFER_DESCRIPTOR pNewBdo = (PANSC_BUFFER_DESCRIPTOR )NULL;
PIMCP_HEADER pImcpHeader = (PIMCP_HEADER )NULL;
ULONG ulMsgSize = (ULONG )0;
ULONG ulCopySize = (ULONG )0;
ULONG ulLeftSize = (ULONG )0;
ULONG i = 0;
if ( !pBufferDesp )
{
return ANSC_BSTOWO_PMODE_FINISH;
}
else
{
pBufferDesp->BlockSize += ulSize;
}
if ( AnscBdoGetUsableSize(pBufferDesp) <= sizeof(IMCP_HEADER) )
{
pNewBdo =
(PANSC_BUFFER_DESCRIPTOR)AnscAllocateBdo
(
ANSC_LPC_DEF_MESSAGE_SIZE,
0,
AnscBdoGetBlockSize(pBufferDesp)
);
if ( !pNewBdo )
{
return ANSC_BSTOWO_PMODE_FINISH;
}
else
{
ulCopySize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
AnscBdoCopyFrom
(
(ANSC_HANDLE)pBufferDesp,
AnscBdoGetBlock(pNewBdo),
&ulCopySize,
0
);
pBrokerSocket->SetBufferContext
(
(ANSC_HANDLE)pBrokerSocket,
AnscBdoGetEndOfBlock(pNewBdo),
AnscBdoGetLeftSize (pNewBdo),
(ANSC_HANDLE)pNewBdo
);
}
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
return ANSC_BSTOWO_PMODE_COLLECT;
}
else if ( AnscBdoGetBlockSize(pBufferDesp) < sizeof(IMCP_HEADER) )
{
/*
* We need to rollback the block size of the buffer descriptor before we return 'Collect'.
* Next time when this Query() function is called, the 'ulSize' parameter will be set to
* the total size of un-processed data, not the size of the newly received data.
*/
pBufferDesp->BlockSize -= ulSize;
return ANSC_BSTOWO_PMODE_COLLECT;
}
else
{
pImcpHeader = (PIMCP_HEADER)AnscBdoGetBlock(pBufferDesp);
ulMsgSize = (ULONG )ImcpGetMsgSize (pImcpHeader);
}
if ( ulMsgSize == AnscBdoGetBlockSize(pBufferDesp) )
{
pNewBdo =
(PANSC_BUFFER_DESCRIPTOR)AnscAllocateBdo
(
ANSC_LPC_DEF_MESSAGE_SIZE,
0,
0
);
if ( !pNewBdo )
{
return ANSC_BSTOWO_PMODE_FINISH;
}
else
{
pBrokerSocket->SetBufferContext
(
(ANSC_HANDLE)pBrokerSocket,
AnscBdoGetEndOfBlock(pNewBdo),
AnscBdoGetLeftSize (pNewBdo),
(ANSC_HANDLE)pNewBdo
);
}
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pBrokerSocket,
(ANSC_HANDLE)pBufferDesp
);
return ANSC_BSTOWO_PMODE_DISCARD;
}
else if ( ulMsgSize < AnscBdoGetBlockSize(pBufferDesp) )
{
pNewBdo =
(PANSC_BUFFER_DESCRIPTOR)AnscAllocateBdo
(
ulMsgSize,
0,
ulMsgSize
);
if ( !pNewBdo )
{
return ANSC_BSTOWO_PMODE_FINISH;
}
else
{
ulCopySize = ulMsgSize;
returnStatus =
AnscBdoCopyFrom
(
(ANSC_HANDLE)pBufferDesp,
AnscBdoGetBlock(pNewBdo),
&ulCopySize,
0
);
}
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pBrokerSocket,
(ANSC_HANDLE)pNewBdo
);
/*
* As Lina discovered, we cannot simply reset the 'BlockSize' to zero and make another
* Query() call. If we do and the returned mode is COLLECT, the socket object would be
* confused because the data processed in this call is still remembered and its size will
* be covered in the next Query() call. We need to follow the steps as listed below to
* ensure the packet data in the previous call is cleaned:
*
* - Set the 'BlockSize' to whatever data left after processing.
* - Advance 'Offset' field by the message size.
* - Reset the buffer context of the socket object.
* - Calling Query() again with 'ulSize' set to zero.
*/
ulLeftSize = AnscBdoGetBlockSize(pBufferDesp) - ulMsgSize;
pBufferDesp->Offset += ulMsgSize;
pBufferDesp->BlockSize -= ulMsgSize;
pBrokerSocket->SetBufferContext
(
(ANSC_HANDLE)pBrokerSocket,
AnscBdoGetEndOfBlock(pBufferDesp),
AnscBdoGetLeftSize (pBufferDesp),
(ANSC_HANDLE)pBufferDesp
);
return pMyObject->BwoQuery
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pBrokerSocket,
AnscBdoGetEndOfBlock(pBufferDesp), /*AnscBdoGetBlock(pBufferDesp),*/
0, /*ulLeftSize, */
phQueryContext
);
}
else if ( ulMsgSize <= AnscBdoGetUsableSize(pBufferDesp) )
{
/*
* We need to rollback the block size of the buffer descriptor before we return 'Collect'.
* Next time when this Query() function is called, the 'ulSize' parameter will be set to
* the total size of un-processed data, not the size of the newly received data.
*/
pBufferDesp->BlockSize -= ulSize;
return ANSC_BSTOWO_PMODE_COLLECT;
}
else
{
pNewBdo =
(PANSC_BUFFER_DESCRIPTOR)AnscAllocateBdo
(
ulMsgSize,
0,
AnscBdoGetBlockSize(pBufferDesp)
);
if ( !pNewBdo )
{
return ANSC_BSTOWO_PMODE_FINISH;
}
else
{
ulCopySize = AnscBdoGetBlockSize(pBufferDesp);
returnStatus =
AnscBdoCopyFrom
(
(ANSC_HANDLE)pBufferDesp,
AnscBdoGetBlock(pNewBdo),
&ulCopySize,
0
);
pBrokerSocket->SetBufferContext
(
(ANSC_HANDLE)pBrokerSocket,
AnscBdoGetEndOfBlock(pNewBdo),
AnscBdoGetLeftSize (pNewBdo),
(ANSC_HANDLE)pNewBdo
);
}
AnscFreeBdo((ANSC_HANDLE)pBufferDesp);
return ANSC_BSTOWO_PMODE_COLLECT;
}
return ANSC_BSTOWO_PMODE_DISCARD;
}
ANSC_STATUS
AnscSctoTsaRecvAppMessage
(
ANSC_HANDLE hThisObject,
ANSC_HANDLE hMessageBdo
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_SIMPLE_CLIENT_TCP_OBJECT pMyObject = (PANSC_SIMPLE_CLIENT_TCP_OBJECT)hThisObject;
PANSC_SCTO_WORKER_OBJECT pWorker = (PANSC_SCTO_WORKER_OBJECT )pMyObject->hWorker;
PANSC_BUFFER_DESCRIPTOR pPayloadBdo = (PANSC_BUFFER_DESCRIPTOR )hMessageBdo;
void* pRecvBuffer = (void* )NULL;
ANSC_HANDLE hRecvHandle = (ANSC_HANDLE )NULL;
ULONG ulRecvSize = (ULONG )0;
ULONG ulLeftSize = (ULONG )AnscBdoGetBlockSize(pPayloadBdo);
ULONG ulCopySize = (ULONG )0;
while ( ulLeftSize > 0 )
{
pRecvBuffer =
pMyObject->GetRecvBuffer
(
(ANSC_HANDLE)pMyObject,
&ulRecvSize
);
if ( !pRecvBuffer )
{
returnStatus =
pWorker->Notify
(
pWorker->hWorkerContext,
ANSC_SCTOWO_EVENT_RESOURCES,
(ANSC_HANDLE)NULL
);
break;
}
if ( ulRecvSize >= ulLeftSize )
{
ulCopySize = ulLeftSize;
}
else
{
ulCopySize = ulRecvSize;
}
if ( TRUE )
{
AnscCopyMemory
(
pRecvBuffer,
AnscBdoGetBlock(pPayloadBdo),
ulCopySize
);
AnscBdoShrinkRight(pPayloadBdo, ulCopySize);
ulLeftSize -= ulCopySize;
}
pMyObject->RecvBytesCount += ulCopySize;
pMyObject->LastRecvAt = AnscGetTickInSeconds();
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
pRecvBuffer,
ulCopySize
);
}
goto EXIT1;
/******************************************************************
GRACEFUL ROLLBACK PROCEDURES AND EXIT DOORS
******************************************************************/
EXIT1:
if ( pPayloadBdo )
{
AnscFreeBdo((ANSC_HANDLE)pPayloadBdo);
}
return returnStatus;
}
