ANSC_STATUS
AnscDeuoStop
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_DAEMON_ENGINE_UDP_OBJECT pMyObject = (PANSC_DAEMON_ENGINE_UDP_OBJECT)hThisObject;
if ( !pMyObject->bStarted )
{
return ANSC_STATUS_SUCCESS;
}
else
{
pMyObject->bStarted = FALSE;
}
AnscWaitEvent(&pMyObject->RecvEvent, ANSC_DEUO_TASK_CLEANUP_TIME);
AnscWaitEvent(&pMyObject->SendEvent, ANSC_DEUO_TASK_CLEANUP_TIME);
pMyObject->Reset((ANSC_HANDLE)pMyObject);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
AnscSctoInitTlsClient
(
ANSC_HANDLE hThisObject
)
{
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;
PTLS_SCS_INTERFACE pTlsScsIf = (PTLS_SCS_INTERFACE )pMyObject->hTlsScsIf;
PTLS_TSA_INTERFACE pTlsTsaIf = (PTLS_TSA_INTERFACE )pMyObject->hTlsTsaIf;
TLS_CONNECTION_PARAMS tlsConnParams;
if ( !pMyObject->bTlsEnabled || !pTlsScsIf )
{
return ANSC_STATUS_UNAPPLICABLE;
}
if ( TRUE )
{
TlsInitConnParams((&tlsConnParams));
tlsConnParams.bSessionSharing = TRUE;
tlsConnParams.bQuickHandshake = TRUE;
tlsConnParams.bReqCertificate = FALSE;
tlsConnParams.bTlsClient = TRUE;
tlsConnParams.HostID = pMyObject->HostAddress.Value;
tlsConnParams.PeerID = pMyObject->PeerAddress.Value;
tlsConnParams.SessionIDSize = 0;
tlsConnParams.CipherSuiteCount = 0;
tlsConnParams.CompressionCount = 0;
}
pMyObject->hTlsConnection =
pTlsScsIf->CreateConnection
(
pTlsScsIf->hOwnerContext,
(ANSC_HANDLE)pTlsTsaIf
);
if ( !pMyObject->hTlsConnection )
{
return ANSC_STATUS_UNAPPLICABLE;
}
else
{
returnStatus =
pTlsScsIf->ConfigConnection
(
pTlsScsIf->hOwnerContext,
pMyObject->hTlsConnection,
(ANSC_HANDLE)&tlsConnParams
);
}
AnscResetEvent(&pMyObject->TlsConnEvent);
returnStatus =
pTlsScsIf->StartConnection
(
pTlsScsIf->hOwnerContext,
pMyObject->hTlsConnection
);
if ( returnStatus == ANSC_STATUS_SUCCESS )
{
AnscWaitEvent(&pMyObject->TlsConnEvent, 0xFFFFFFFF);
}
if ( !pMyObject->bTlsConnected )
{
returnStatus =
pTlsScsIf->RemoveConnection
(
pTlsScsIf->hOwnerContext,
pMyObject->hTlsConnection
);
pMyObject->hTlsConnection = (ANSC_HANDLE)NULL;
returnStatus = ANSC_STATUS_FAILURE;
}
else
{
returnStatus = ANSC_STATUS_SUCCESS;
}
return returnStatus;
}
ANSC_STATUS
AnscDstoCancel
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_DAEMON_SERVER_TCP_OBJECT pMyObject = (PANSC_DAEMON_SERVER_TCP_OBJECT)hThisObject;
PANSC_DSTO_WORKER_OBJECT pWorker = (PANSC_DSTO_WORKER_OBJECT )pMyObject->hWorker;
if ( !pMyObject->bActive )
{
return ANSC_STATUS_SUCCESS;
}
else if ( !pWorker )
{
return ANSC_STATUS_UNAPPLICABLE;
}
else
{
pWorker->Unload(pWorker->hWorkerContext);
pMyObject->bActive = FALSE;
}
if ( ((pMyObject->Socket != XSKT_SOCKET_INVALID_SOCKET) && (pMyObject->Mode & ANSC_DSTO_MODE_XSOCKET)) ||
((pMyObject->Socket != ANSC_SOCKET_INVALID_SOCKET) && !(pMyObject->Mode & ANSC_DSTO_MODE_XSOCKET)) )
{
if ( pMyObject->Mode & ANSC_DSTO_MODE_POLLING_ACCEPT )
{
AnscWaitEvent(&pMyObject->AcceptEvent, ANSC_DSTO_TASK_CLEANUP_TIME);
if ( pMyObject->Mode & ANSC_DSTO_MODE_XSOCKET )
{
_xskt_shutdown (pMyObject->Socket, XSKT_SOCKET_SD_BOTH);
_xskt_closesocket(pMyObject->Socket);
}
else
{
_ansc_shutdown (pMyObject->Socket, ANSC_SOCKET_SD_BOTH);
_ansc_closesocket(pMyObject->Socket);
}
}
else
{
if ( pMyObject->Mode & ANSC_DSTO_MODE_XSOCKET )
{
_xskt_shutdown (pMyObject->Socket, XSKT_SOCKET_SD_BOTH);
_xskt_closesocket(pMyObject->Socket);
}
else
{
_ansc_shutdown (pMyObject->Socket, ANSC_SOCKET_SD_BOTH);
_ansc_closesocket(pMyObject->Socket);
}
AnscWaitEvent(&pMyObject->AcceptEvent, ANSC_DSTO_TASK_CLEANUP_TIME);
}
}
pMyObject->StopEngines ((ANSC_HANDLE)pMyObject);
pMyObject->DestroyEnginePool((ANSC_HANDLE)pMyObject);
pMyObject->DestroySocketPool((ANSC_HANDLE)pMyObject);
/*
* The underlying socket wrapper may require an explicit cleanup() call, such is the case on
* Microsoft windows platforms. The wrapper initialization has to done for each task. On most
* real-time operating systems, this call is not required.
*/
if ( pMyObject->Mode & ANSC_DSTO_MODE_XSOCKET )
{
AnscCleanupXsocketWrapper((ANSC_HANDLE)pMyObject);
}
else
{
AnscCleanupSocketWrapper((ANSC_HANDLE)pMyObject);
}
pMyObject->Reset((ANSC_HANDLE)pMyObject);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
BbhmDiageoResultQueryTask
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PBBHM_DIAG_EXEC_OBJECT pMyObject = (PBBHM_DIAG_EXEC_OBJECT )hThisObject;
PDSLH_DIAG_INFO_BASE pDiagInfo = NULL;
BOOLEAN bQueryDone = FALSE;
AnscTraceFlow(("BbhmDiageoResultQueryTask ...\n"));
do
{
returnStatus = pMyObject->RetrieveResult((ANSC_HANDLE)pMyObject);
if ( returnStatus == ANSC_STATUS_SUCCESS )
{
pDiagInfo = (PDSLH_DIAG_INFO_BASE)pMyObject->hDslhDiagInfo;
bQueryDone = TRUE;
if ( (pDiagInfo->DiagnosticState != DSLH_DIAG_STATE_TYPE_Inprogress)
&& (pDiagInfo->DiagnosticState != DSLH_DIAG_STATE_TYPE_Requested) )
{
pMyObject->ResultTimestamp = AnscGetTickInSeconds();
break;
}
}
else
{
/* internal error occurs, quit immediatelly */
break;
}
AnscWaitEvent(&pMyObject->ResultQueryEvent, 1000);
}
while ( pMyObject->bResultQueryRunning );
if ( TRUE/*pDiagInfo->RequestType == DSLH_DIAGNOSTIC_REQUEST_TYPE_Acs*/ )
{
/* Always notify the initiator */
CcspTraceInfo(("BbhmDiageoResultQueryTask -- notify initiator.....\n"));
/* send out the notification */
if ( ANSC_STATUS_SUCCESS != CosaSendDiagCompleteSignal() )
{
AnscTraceWarning(("Failed to send event for diagnostics completion.\n"));
}
}
AnscAcquireLock(&pMyObject->AccessLock);
AnscTraceFlow(("BbhmDiageoResultQueryTask -- quiting...\n"));
/*
* stop the diagnostic process
*/
pMyObject->bResultQueryRunning = FALSE;
if ( !bQueryDone )
{
pMyObject->StopDiag((ANSC_HANDLE)pMyObject);
}
AnscSetEvent(&pMyObject->ResultQueryExitEvent);
AnscReleaseLock(&pMyObject->AccessLock);
AnscTraceFlow(("BbhmDiageoStartDiag -- exit...\n"));
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
AnscDetoRecvTask
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_DAEMON_ENGINE_TCP_OBJECT pMyObject = (PANSC_DAEMON_ENGINE_TCP_OBJECT)hThisObject;
PANSC_DAEMON_SERVER_TCP_OBJECT pServer = (PANSC_DAEMON_SERVER_TCP_OBJECT)pMyObject->hDaemonServer;
PANSC_DSTO_WORKER_OBJECT pWorker = (PANSC_DSTO_WORKER_OBJECT )pServer->hWorker;
#if !defined(_ANSC_KERNEL) || !defined(_ANSC_LINUX)
ansc_fd_set* pRecvSet1 = (ansc_fd_set* )pMyObject->RecvSocketSet;
xskt_fd_set* pRecvSet2 = (xskt_fd_set* )pMyObject->RecvSocketSet;
#endif
PANSC_DAEMON_SOCKET_TCP_OBJECT pSocket = NULL;
ULONG ulLastCleanAt = AnscGetTickInSecondsAbs();
ANSC_SOCKET s_socket = ANSC_SOCKET_INVALID_SOCKET;
int s_result = 0;
int s_result_excp = 0;
int s_error = 0;
int i = 0;
#if !defined(_ANSC_KERNEL) || !defined(_ANSC_LINUX)
ansc_fd_set* read_fd_set1 = NULL;
xskt_fd_set* read_fd_set2 = NULL;
ansc_fd_set* excp_fd_set1 = NULL;
xskt_fd_set* excp_fd_set2 = NULL;
ansc_timeval timeval1;
xskt_timeval timeval2;
#endif
AnscTrace("AnscDetoRecvTask is activated ...!\n");
#if !defined(_ANSC_KERNEL) || !defined(_ANSC_LINUX)
read_fd_set1 = (ansc_fd_set*)AnscAllocateMemory(sizeof(ansc_fd_set));
read_fd_set2 = (xskt_fd_set*)AnscAllocateMemory(sizeof(xskt_fd_set));
excp_fd_set1 = (ansc_fd_set*)AnscAllocateMemory(sizeof(ansc_fd_set));
excp_fd_set2 = (xskt_fd_set*)AnscAllocateMemory(sizeof(xskt_fd_set));
if ( !read_fd_set1 || !read_fd_set2 || !excp_fd_set1 || !excp_fd_set2 )
{
goto EXIT1;
}
#endif
/*
* As a scalable server implemention, we shall accept as many incoming client connections as
* possible and can only be limited by the system resources. Once the listening socket becomes
* readable, which means an incoming connection attempt has arrived. We create a new socket
* object and associate it with the client. This is a repeated process until the socket owner
* closes the socket.
*/
while ( pMyObject->bStarted )
{
ANSC_COMMIT_TASK();
/*
* To avoid letting the old half-dead sockets hogging up the system resource, we need to
* periodically invoke the cleaning routine. The default interval is 10 seconds, and the
* idle timeout value is 90 seconds.
*/
#if !defined(_ANSC_KERNEL) || !defined(_ANSC_LINUX)
if ( pMyObject->bCleaningDemanded )
#else
if ( FALSE ) /*if ( pMyObject->bCleaningDemanded )*/
#endif
{
pMyObject->Clean((ANSC_HANDLE)pMyObject);
ulLastCleanAt = AnscGetTickInSecondsAbs();
pMyObject->bCleaningDemanded = FALSE;
}
else if ( (AnscGetTickInSecondsAbs() - ulLastCleanAt) >= ANSC_DETO_CLEAN_TASK_INTERVAL )
{
pMyObject->Clean((ANSC_HANDLE)pMyObject);
ulLastCleanAt = AnscGetTickInSecondsAbs();
pMyObject->bCleaningDemanded = FALSE;
}
/*
* Since the original bsd compatible socket api doesn't support asynchronous operation, the
* nonblocking status polling is the best we can get. As a matter of fact, the current unix
* and linux actually still don't support asynchronous notification on any socket operation.
*/
#if defined(_ANSC_KERNEL) && defined(_ANSC_LINUX)
if ( !pMyObject->CurSocketCount)
{
if ( pServer->Mode & ANSC_DSTO_MODE_EVENT_SYNC )
{
AnscWaitEvent (&pMyObject->NewSocketEvent, ANSC_DETO_WAIT_EVENT_INTERVAL);
AnscResetEvent(&pMyObject->NewSocketEvent);
if (!pMyObject->CurSocketCount)
{
AnscTaskRelinquish();
continue;
}
}
else
{
AnscSleep(ANSC_DETO_TASK_BREAK_INTERVAL);
continue;
}
}
#else
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
AnscAcquireLock(&pMyObject->RecvSocketSetLock);
*read_fd_set2 = *pRecvSet2;
AnscReleaseLock(&pMyObject->RecvSocketSetLock);
}
else
{
AnscAcquireLock(&pMyObject->RecvSocketSetLock);
*read_fd_set1 = *pRecvSet1;
AnscReleaseLock(&pMyObject->RecvSocketSetLock);
}
if ( ( (pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && XSKT_SOCKET_FD_ISNUL(read_fd_set2)) ||
(!(pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && ANSC_SOCKET_FD_ISNUL(read_fd_set1)) )
{
if ( pServer->Mode & ANSC_DSTO_MODE_EVENT_SYNC )
{
AnscWaitEvent (&pMyObject->NewSocketEvent, ANSC_DETO_WAIT_EVENT_INTERVAL);
AnscResetEvent(&pMyObject->NewSocketEvent);
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
AnscAcquireLock(&pMyObject->RecvSocketSetLock);
*read_fd_set2 = *pRecvSet2;
AnscReleaseLock(&pMyObject->RecvSocketSetLock);
}
else
{
AnscAcquireLock(&pMyObject->RecvSocketSetLock);
*read_fd_set1 = *pRecvSet1;
AnscReleaseLock(&pMyObject->RecvSocketSetLock);
}
if ( ( (pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && XSKT_SOCKET_FD_ISNUL(read_fd_set2)) ||
(!(pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && ANSC_SOCKET_FD_ISNUL(read_fd_set1)) )
{
AnscTaskRelinquish();
continue;
}
}
else
{
AnscSleep(ANSC_DETO_TASK_BREAK_INTERVAL);
continue;
}
}
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
timeval2.tv_sec = (ANSC_DETO_POLL_INTERVAL_MS / 1000); /* number of seconds */
timeval2.tv_usec = (ANSC_DETO_POLL_INTERVAL_MS % 1000) * 1000; /* number of microseconds */
}
else
{
timeval1.tv_sec = (ANSC_DETO_POLL_INTERVAL_MS / 1000); /* number of seconds */
timeval1.tv_usec = (ANSC_DETO_POLL_INTERVAL_MS % 1000) * 1000; /* number of microseconds */
}
/*
* The _ansc_select() function returns the total number of socket handles that are ready
* and contained in the fd_set structures, zero if the time limit expired, or SOCKET_ERROR
* if an error occurred. Upon return, the structures are updated to reflect the subset of
* these sockets that meet the specified condition.
*/
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
s_result = _xskt_select(XSKT_SOCKET_FD_SETSIZE, read_fd_set2, NULL, NULL, &timeval2);
}
else
{
s_result = _ansc_select(ANSC_SOCKET_FD_SETSIZE, read_fd_set1, NULL, NULL, &timeval1);
}
if ( s_result == 0 )
{
continue;
}
else if ( ( (pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && (s_result == XSKT_SOCKET_ERROR)) ||
(!(pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && (s_result == ANSC_SOCKET_ERROR)) )
{
s_error = (pServer->Mode & ANSC_DSTO_MODE_XSOCKET)? _xskt_get_last_error() : _ansc_get_last_error();
/*
* Previously we simply reset everything when _ansc_select() fails, which is not a good
* solution: we shall notify the worker module and gracefully shutdown the socket(s)
* that caused the error.
*/
/*
pMyObject->Reset((ANSC_HANDLE)pMyObject);
*/
pMyObject->ExpAllSockets((ANSC_HANDLE)pMyObject);
continue;
}
else if ( !pMyObject->bStarted )
{
break;
}
#endif
/*
* If there're multiple sockets are receiving data, we loop through the returned fd_set
* structure and process them one-by-one. However, we have a slight problem: the resulted
* fd_set consists of only the native socket handles, not the associated Socket Objects.
* We have to first retrieve the peer's IP address from the socket, and use it to find
* the associated socket object.
*/
#if defined(_ANSC_KERNEL) && defined(_ANSC_LINUX)
if (TRUE)
{
int i;
PSINGLE_LINK_ENTRY pSLinkEntry;
for ( i = 0; i < ANSC_DETO_SOCKET_TABLE_SIZE ; i++)
{
if (!AnscSListQueryDepth(&pMyObject->SocketTable[i]))
{
continue;
}
AnscAcquireLock(&pMyObject->SocketTableLock);
pSLinkEntry = AnscSListGetFirstEntry(&pMyObject->SocketTable[i]);
AnscReleaseLock(&pMyObject->SocketTableLock);
while ( pSLinkEntry )
{
pSocket = ACCESS_ANSC_DAEMON_SOCKET_TCP_OBJECT(pSLinkEntry);
pSLinkEntry = AnscSListGetNextEntry(pSLinkEntry);
if ( pSocket->bTlsEnabled )
{
pMyObject->bBusy = TRUE;
returnStatus =
pMyObject->Recv2
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
pMyObject->bBusy = FALSE;
}
else
{
pMyObject->bBusy = TRUE;
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
pMyObject->bBusy = FALSE;
}
}
if ( !pMyObject->bStarted )
{
break;
}
}
AnscSleep(10);
}
#else
for ( i = 0; i < s_result; i++ )
{
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
XSKT_SOCKET_FD_GET(read_fd_set2, s_socket, (ULONG)i);
}
else
{
ANSC_SOCKET_FD_GET(read_fd_set1, s_socket, (ULONG)i);
}
if ( ( (pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && (s_socket == XSKT_SOCKET_INVALID_SOCKET)) ||
(!(pServer->Mode & ANSC_DSTO_MODE_XSOCKET) && (s_socket == ANSC_SOCKET_INVALID_SOCKET)) )
{
break;
}
else
{
pSocket =
(PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->GetSocketByOsocket
(
(ANSC_HANDLE)pMyObject,
s_socket
);
/*
* We should make sure this socket is still valid before proceeding with the socket
* receive operations. For example, the peer may have already closed or reset the
* TCP connection while we're serving the previous socket request.
*
* 10/06/04 - It's believed this modification is slowing down the GUI and we're not
* seeing tangible evidence that GUI responsivenss has been improved. So we disable
* it for now.
*/
/*
if ( pServer->Mode & ANSC_DSTO_MODE_XSOCKET )
{
XSKT_SOCKET_FD_ZERO(excp_fd_set2);
XSKT_SOCKET_FD_SET ((XSKT_SOCKET)s_socket, excp_fd_set2);
timeval2.tv_sec = 0;
timeval2.tv_usec = 0;
s_result_excp = _xskt_select(XSKT_SOCKET_FD_SETSIZE, NULL, NULL, excp_fd_set2, &timeval2);
}
else
{
ANSC_SOCKET_FD_ZERO(excp_fd_set1);
ANSC_SOCKET_FD_SET (s_socket, excp_fd_set1);
timeval1.tv_sec = 0;
timeval1.tv_usec = 0;
s_result_excp = _ansc_select(ANSC_SOCKET_FD_SETSIZE, NULL, NULL, excp_fd_set1, &timeval1);
}
*/
}
/*
if ( ((s_result_excp == 1 ) ) ||
((s_result_excp == XSKT_SOCKET_ERROR) && (pServer->Mode & ANSC_DSTO_MODE_XSOCKET)) ||
((s_result_excp == ANSC_SOCKET_ERROR) && !(pServer->Mode & ANSC_DSTO_MODE_XSOCKET)) )
{
if ( TRUE )
{
pSocket->bBroken = TRUE;
pMyObject->EnableRecv((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket, FALSE);
pMyObject->EnableSend((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket, FALSE);
}
if ( pSocket->bTlsEnabled )
{
if ( pSocket->bTlsEnabled && pSocket->bTlsConnected && !pSocket->bTlsInitializing )
{
returnStatus =
pWorker->Notify
(
pWorker->hWorkerContext,
(ANSC_HANDLE)pSocket,
ANSC_DSTOWO_EVENT_SOCKET_ERROR,
(ANSC_HANDLE)NULL
);
}
else
{
AnscSetEvent(&pSocket->TlsConnEvent);
}
}
else
{
returnStatus =
pWorker->Notify
(
pWorker->hWorkerContext,
(ANSC_HANDLE)pSocket,
ANSC_DSTOWO_EVENT_SOCKET_ERROR,
(ANSC_HANDLE)NULL
);
}
if ( pServer->Mode & ANSC_DSTO_MODE_AUTO_CLOSE )
{
pMyObject->DelSocket((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket);
}
pMyObject->TrcCount++;
continue;
}
else
{
pSocket =
(PANSC_DAEMON_SOCKET_TCP_OBJECT)pMyObject->GetSocketByOsocket
(
(ANSC_HANDLE)pMyObject,
s_socket
);
}
*/
if ( !pSocket )
{
continue;
}
else if ( pSocket->bTlsEnabled )
{
#ifdef _ANSC_USE_OPENSSL_
pMyObject->bBusy = TRUE;
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
pMyObject->bBusy = FALSE;
#else
pMyObject->bBusy = TRUE;
returnStatus =
pMyObject->Recv2
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
pMyObject->bBusy = FALSE;
#endif
}
else
{
pMyObject->bBusy = TRUE;
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
pMyObject->bBusy = FALSE;
}
/*
* Check whether 'bToBeCleaned' flag is set for this socket: if it is, we should close
* this socket right away; otherwise, we continue the processing. WARNING!!! This new
* change seems to incur instability in SLAP, we have to roll back to the initial
* approach.
*/
/*
if ( pSocket->bToBeCleaned )
{
returnStatus =
pMyObject->DelSocket
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
}
*/
if ( !pMyObject->bStarted )
{
break;
}
}
#endif
}
/******************************************************************
GRACEFUL ROLLBACK PROCEDURES AND EXIT DOORS
******************************************************************/
EXIT1:
AnscSetEvent(&pMyObject->RecvEvent);
#if !defined(_ANSC_KERNEL) || !defined(_ANSC_LINUX)
if ( read_fd_set1 )
{
AnscFreeMemory(read_fd_set1);
}
if ( read_fd_set2 )
{
AnscFreeMemory(read_fd_set2);
}
if ( excp_fd_set1 )
{
AnscFreeMemory(excp_fd_set1);
}
if ( excp_fd_set2 )
{
AnscFreeMemory(excp_fd_set2);
}
#endif
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
AnscBetoRecvTask
(
ANSC_HANDLE hThisObject
)
{
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_BROKER_ENGINE_TCP_OBJECT pMyObject = (PANSC_BROKER_ENGINE_TCP_OBJECT)hThisObject;
PANSC_BROKER_SERVER_TCP_OBJECT pServer = (PANSC_BROKER_SERVER_TCP_OBJECT)pMyObject->hBrokerServer;
ansc_fd_set* pRecvSet1 = (ansc_fd_set* )pMyObject->RecvSocketSet;
xskt_fd_set* pRecvSet2 = (xskt_fd_set* )pMyObject->RecvSocketSet;
PANSC_BROKER_SOCKET_TCP_OBJECT pSocket = NULL;
ULONG ulLastCleanAt = AnscGetTickInSeconds();
ANSC_SOCKET s_socket = ANSC_SOCKET_INVALID_SOCKET;
int s_result = 0;
int s_result_excp = 0;
int s_error = 0;
int i = 0;
uni_fd_set read_fd_set;
/*uni_fd_set excp_fd_set;*/
uni_timeval timeval;
AnscTrace("AnscBetoRecvTask is activated ...!\n");
/*
* As a scalable server implemention, we shall accept as many incoming client connections as
* possible and can only be limited by the system resources. Once the listening socket becomes
* readable, which means an incoming connection attempt has arrived. We create a new socket
* object and associate it with the client. This is a repeated process until the socket owner
* closes the socket.
*/
while ( pMyObject->bStarted )
{
ANSC_COMMIT_TASK();
/*
* To avoid letting the old half-dead sockets hogging up the system resource, we need to
* periodically invoke the cleaning routine. The default interval is 10 seconds, and the
* idle timeout value is 90 seconds.
*/
if ( pMyObject->bCleaningDemanded ||
(AnscGetTickInSeconds() - ulLastCleanAt) >= ANSC_BETO_CLEAN_TASK_INTERVAL )
{
pMyObject->Clean((ANSC_HANDLE)pMyObject);
ulLastCleanAt = AnscGetTickInSeconds();
pMyObject->bCleaningDemanded = FALSE;
}
/*
* The _ansc_select() function returns the total number of socket handles that are ready
* and contained in the fd_set structures, zero if the time limit expired, or SOCKET_ERROR
* if an error occurred. Upon return, the structures are updated to reflect the subset of
* these sockets that meet the specified condition.
*/
if ( pServer->Mode & ANSC_BSTO_MODE_XSOCKET )
{
/*
* no need to use lock for read_fd_set here, dirty read does not matter.
*/
read_fd_set.xset = *pRecvSet2;
if( XSKT_SOCKET_FD_ISNUL(&read_fd_set.xset) )
{
if ( pServer->Mode & ANSC_BSTO_MODE_EVENT_SYNC )
{
AnscWaitEvent (&pMyObject->NewSocketEvent, ANSC_BETO_WAIT_EVENT_INTERVAL);
AnscResetEvent(&pMyObject->NewSocketEvent);
}
else
{
AnscSleep(ANSC_BETO_TASK_BREAK_INTERVAL);
}
continue;
}
timeval.xtv.tv_sec = (ANSC_BETO_POLL_INTERVAL_MS / 1000); /* number of seconds */
timeval.xtv.tv_usec = (ANSC_BETO_POLL_INTERVAL_MS % 1000) * 1000; /* number of microseconds */
s_result = _xskt_select(XSKT_SOCKET_FD_SETSIZE, &read_fd_set.xset, NULL, NULL, &timeval.xtv);
if ( s_result == 0 )
{
continue;
}
if ( s_result == XSKT_SOCKET_ERROR )
{
s_error = _xskt_get_last_error();
pMyObject->Reset((ANSC_HANDLE)pMyObject);
continue;
}
}
else
{
/*
* no need to use lock for read_fd_set here, dirty read does not matter.
*/
read_fd_set.aset = *pRecvSet1;
if( ANSC_SOCKET_FD_ISNUL(&read_fd_set.aset) )
{
if ( pServer->Mode & ANSC_BSTO_MODE_EVENT_SYNC )
{
AnscWaitEvent (&pMyObject->NewSocketEvent, ANSC_BETO_WAIT_EVENT_INTERVAL);
AnscResetEvent(&pMyObject->NewSocketEvent);
}
else
{
AnscSleep(ANSC_BETO_TASK_BREAK_INTERVAL);
}
continue;
}
timeval.atv.tv_sec = (ANSC_BETO_POLL_INTERVAL_MS / 1000); /* number of seconds */
timeval.atv.tv_usec = (ANSC_BETO_POLL_INTERVAL_MS % 1000) * 1000; /* number of microseconds */
s_result = _ansc_select(ANSC_SOCKET_FD_SETSIZE, &read_fd_set.aset, NULL, NULL, &timeval.atv);
if ( s_result == 0 )
{
continue;
}
if ( s_result == ANSC_SOCKET_ERROR )
{
s_error = _ansc_get_last_error();
pMyObject->Reset((ANSC_HANDLE)pMyObject);
continue;
}
}
/*
* If there're multiple sockets are receiving data, we loop through the returned fd_set
* structure and process them one-by-one. However, we have a slight problem: the resulted
* fd_set consists of only the native socket handles, not the associated Socket Objects.
* We have to first retrieve the peer's IP address from the socket, and use it to find
* the associated socket object.
*/
for ( i = 0; i < s_result; i++ )
{
if ( !pMyObject->bStarted )
{
break;
}
if ( pServer->Mode & ANSC_BSTO_MODE_XSOCKET )
{
XSKT_SOCKET_FD_GET(&read_fd_set.xset, s_socket, (ULONG)i);
if( s_socket == XSKT_SOCKET_INVALID_SOCKET )
{
break;
}
if( ! XSKT_SOCKET_FD_ISSET(s_socket, pRecvSet2) )
{
AnscTraceError(("AnscBetoRecvTask: XSKT_SOCKET_FD_ISSET returned FALSE.\n"));
continue;
}
}
else
{
ANSC_SOCKET_FD_GET(&read_fd_set.aset, s_socket, (ULONG)i);
if( s_socket == ANSC_SOCKET_INVALID_SOCKET )
{
break;
}
if( ! ANSC_SOCKET_FD_ISSET(s_socket, pRecvSet1) )
{
AnscTraceError(("AnscBetoRecvTask: XSKT_SOCKET_FD_ISSET returned FALSE.\n"));
continue;
}
}
pSocket =
(PANSC_BROKER_SOCKET_TCP_OBJECT)pMyObject->GetSocketByOsocket
(
(ANSC_HANDLE)pMyObject,
s_socket
);
if ( !pSocket )
{
continue;
}
/*
* We should make sure this socket is still valid before proceeding with the socket
* receive operations. For example, the peer may have already closed or reset the
* TCP connection while we're serving the previous socket request.
*
* 10/06/04 - It's believed this modification is slowing down the GUI and we're not
* seeing tangible evidence that GUI responsivenss has been improved. So we disable
* it for now.
*
* 11/20/09 - Re-activate the following code segment to validate the socket before
* proceeding.
*/
/*
if ( pServer->Mode & ANSC_BSTO_MODE_XSOCKET )
{
XSKT_SOCKET_FD_ZERO((&excp_fd_set.xset));
XSKT_SOCKET_FD_SET ((XSKT_SOCKET)s_socket, (&excp_fd_set.xset));
timeval.xtv.tv_sec = 0;
timeval.xtv.tv_usec = 0;
s_result_excp = _xskt_select(XSKT_SOCKET_FD_SETSIZE, NULL, NULL, &excp_fd_set.xset, &timeval.xtv);
}
else
{
ANSC_SOCKET_FD_ZERO((&excp_fd_set.aset));
ANSC_SOCKET_FD_SET (s_socket, (&excp_fd_set.aset));
timeval.atv.tv_sec = 0;
timeval.atv.tv_usec = 0;
s_result_excp = _ansc_select(ANSC_SOCKET_FD_SETSIZE, NULL, NULL, &excp_fd_set.aset, &timeval.atv);
}
if ( ((s_result_excp == 1 ) ) ||
((s_result_excp == XSKT_SOCKET_ERROR) && (pServer->Mode & ANSC_BSTO_MODE_XSOCKET)) ||
((s_result_excp == ANSC_SOCKET_ERROR) && !(pServer->Mode & ANSC_BSTO_MODE_XSOCKET)) )
{
if ( TRUE )
{
pSocket->bBroken = TRUE;
pSocket->bToBeCleaned = TRUE;
pMyObject->EnableRecv((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket, FALSE);
pMyObject->EnableSend((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket, FALSE);
}
if ( pServer->Mode & ANSC_BSTO_MODE_AUTO_CLOSE )
{
pMyObject->DelSocket((ANSC_HANDLE)pMyObject, (ANSC_HANDLE)pSocket);
}
continue;
}
*/
returnStatus =
pMyObject->Recv
(
(ANSC_HANDLE)pMyObject,
(ANSC_HANDLE)pSocket
);
}
}
AnscSetEvent(&pMyObject->RecvEvent);
return ANSC_STATUS_SUCCESS;
}
ANSC_STATUS
CcspCwmpAcscoRequest
(
ANSC_HANDLE hThisObject,
char* pSoapMessage,
char* pMethodName,
ULONG ulReqEnvCount,
ULONG ulRepEnvCount
)
{
PCCSP_CWMP_ACS_CONNECTION_OBJECT pMyObject = (PCCSP_CWMP_ACS_CONNECTION_OBJECT)hThisObject;
PHTTP_SIMPLE_CLIENT_OBJECT pHttpClient = (PHTTP_SIMPLE_CLIENT_OBJECT)pMyObject->hHttpSimpleClient;
PCCSP_CWMP_SESSION_OBJECT pWmpSession = (PCCSP_CWMP_SESSION_OBJECT )pMyObject->hCcspCwmpSession;
PCCSP_CWMP_CPE_CONTROLLER_OBJECT pCcspCwmpCpeController = (PCCSP_CWMP_CPE_CONTROLLER_OBJECT)pWmpSession->hCcspCwmpCpeController;
PCCSP_CWMP_STAT_INTERFACE pCcspCwmpStatIf = (PCCSP_CWMP_STAT_INTERFACE)pCcspCwmpCpeController->hCcspCwmpStaIf;
PCCSP_CWMP_CFG_INTERFACE pCcspCwmpCfgIf = (PCCSP_CWMP_CFG_INTERFACE)pCcspCwmpCpeController->hCcspCwmpCfgIf;
PCCSP_CWMP_MCO_INTERFACE pCcspCwmpMcoIf = (PCCSP_CWMP_MCO_INTERFACE )pWmpSession->hCcspCwmpMcoIf;
PHTTP_HFP_INTERFACE pHttpHfpIf = (PHTTP_HFP_INTERFACE)pHttpClient->GetHfpIf((ANSC_HANDLE)pHttpClient);
PHTTP_CAS_INTERFACE pHttpCasIf = NULL;
PHTTP_REQUEST_URI pHttpReqInfo = NULL;
ANSC_STATUS returnStatus = ANSC_STATUS_SUCCESS;
PANSC_ACS_INTERN_HTTP_CONTENT pHttpGetReq = &intHttpContent;
BOOL bApplyTls = FALSE;
PCHAR pRequestURL = NULL;
PCHAR pTempString = NULL;
PHTTP_AUTH_CLIENT_OBJECT pAuthClientObj = NULL;
char pNewUrl[257] = { 0 };
ULONG uRedirect = 0;
ULONG uMaxRedirect = 5;
ULONG ulRpcCallTimeout= CCSP_CWMPSO_RPCCALL_TIMEOUT;
/* If the response is 401 authentication required, we need to try again */
int nMaxAuthRetries = 2;
if( pMyObject->AcsUrl == NULL || AnscSizeOfString(pMyObject->AcsUrl) <= 10 || pHttpHfpIf == NULL)
{
return ANSC_STATUS_NOT_READY;
}
AnscZeroMemory(pHttpGetReq, sizeof(ANSC_ACS_INTERN_HTTP_CONTENT));
CcspTr069PaTraceDebug(("CcspCwmpAcscoRequest -- AcsUrl = '%s'\n", pMyObject->AcsUrl));
pHttpCasIf = (PHTTP_CAS_INTERFACE)pHttpClient->GetCasIf((ANSC_HANDLE)pHttpClient);
if ( pHttpCasIf != NULL)
{
if( pMyObject->Username == NULL || AnscSizeOfString(pMyObject->Username) == 0)
{
pHttpCasIf->EnableAuth(pHttpCasIf->hOwnerContext, FALSE);
}
else
{
pHttpCasIf->EnableAuth(pHttpCasIf->hOwnerContext, TRUE);
pAuthClientObj = (PHTTP_AUTH_CLIENT_OBJECT)pHttpClient->GetClientAuthObj((ANSC_HANDLE)pHttpClient);
if ( pAuthClientObj != NULL)
{
pAuthClientObj->SetAcmIf((ANSC_HANDLE)pAuthClientObj, (ANSC_HANDLE)pMyObject->hHttpAcmIf);
}
else
{
CcspTr069PaTraceError(("Failed to Get HttpAuthClient object.\n"));
}
}
}
#ifdef _DEBUG
if ( !pSoapMessage )
{
CcspTr069PaTraceDebug(("CPE Request:\n<EMPTY>\n"));
}
else if ( AnscSizeOfString(pSoapMessage) <= CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH )
{
CcspTr069PaTraceDebug(("CPE Request:\n%s\n", pSoapMessage));
}
else
{
char partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+1+8];
AnscCopyMemory(partSoap, pSoapMessage, CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH);
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH] = '\n';
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+1] = '.';
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+2] = '.';
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+3] = '.';
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+4] = '\n';
partSoap[CCSP_CWMP_TRACE_MAX_SOAP_MSG_LENGTH+5] = 0;
CcspTr069PaTraceDebug(("CPE Request:\n%s\n", partSoap));
}
#endif
START:
pRequestURL = pMyObject->AcsUrl;
pHttpReqInfo =
(PHTTP_REQUEST_URI)pHttpHfpIf->ParseHttpUrl
(
pHttpHfpIf->hOwnerContext,
pRequestURL,
AnscSizeOfString(pRequestURL)
);
if ( !pHttpReqInfo )
{
return ANSC_STATUS_INTERNAL_ERROR;
}
pHttpReqInfo->Type = HTTP_URI_TYPE_ABS_PATH;
/* init the request */
AnscZeroMemory(pHttpGetReq, sizeof(ANSC_ACS_INTERN_HTTP_CONTENT));
pHttpGetReq->bIsRedirect = FALSE;
pHttpGetReq->SoapMessage = pSoapMessage;
/* When there is more than one envelope in a single HTTP Request,
* when there is a SOAP response in an HTTP Request, or when there is a
* SOAP Fault response in an HTTP Request, the SOAPAction header in the
* HTTP Request MUST have no value (with no quotes), indicating that this
* header provides no information as to the intent of the message."
*/
if( ulReqEnvCount == 1 && ulRepEnvCount == 0)
{
pHttpGetReq->MethodName = pMethodName;
}
AnscInitializeEvent(&pHttpGetReq->CompleteEvent);
while ( nMaxAuthRetries > 0 )
{
CcspTr069PaTraceInfo(("ACS Request now at: %u\n", (unsigned int)AnscGetTickInSeconds()));
if ( AnscEqualString2(pRequestURL, "https", 5, FALSE) )
{
bApplyTls = TRUE;
}
else if ( AnscEqualString2(pRequestURL, "http", 4, FALSE) )
{
if ( bIsComcastImage() ){
#ifdef _SUPPORT_HTTP
CcspTr069PaTraceInfo(("HTTP request from ACS is supported\n"));
bApplyTls = FALSE;
#else
CcspTr069PaTraceInfo(("TR-069 blocked unsecured traffic from ACS\n"));
pHttpGetReq->CompleteStatus = ANSC_STATUS_NOT_SUPPORTED;
pHttpGetReq->bUnauthorized = TRUE;
pHttpGetReq->bIsRedirect = FALSE;
break;
#endif
}
else {
bApplyTls = FALSE;
}
}
else
{
pHttpGetReq->CompleteStatus = ANSC_STATUS_NOT_SUPPORTED;
pHttpGetReq->bUnauthorized = FALSE;
pHttpGetReq->bIsRedirect = FALSE;
break;
}
if(pHttpGetReq->pContent != NULL)
{
CcspTr069PaFreeMemory(pHttpGetReq->pContent);
pHttpGetReq->pContent = NULL;
}
pHttpGetReq->CompleteStatus = ANSC_STATUS_FAILURE;
pHttpGetReq->bUnauthorized = FALSE;
AnscResetEvent (&pHttpGetReq->CompleteEvent);
returnStatus =
pHttpClient->Request
(
(ANSC_HANDLE)pHttpClient,
(ULONG )HTTP_METHOD_CODE_POST,
(ANSC_HANDLE)pHttpReqInfo,
(ANSC_HANDLE)pHttpGetReq,
bApplyTls
);
if( returnStatus != ANSC_STATUS_SUCCESS)
{
CcspTr069PaTraceError(("ACS Request failed: returnStatus = %.X\n", (unsigned int)returnStatus));
break;
}
if ( pCcspCwmpCfgIf && pCcspCwmpCfgIf->GetCwmpRpcTimeout )
{
ulRpcCallTimeout = pCcspCwmpCfgIf->GetCwmpRpcTimeout(pCcspCwmpCfgIf->hOwnerContext);
if ( ulRpcCallTimeout < CCSP_CWMPSO_RPCCALL_TIMEOUT )
{
ulRpcCallTimeout = CCSP_CWMPSO_RPCCALL_TIMEOUT;
}
}
AnscWaitEvent(&pHttpGetReq->CompleteEvent, ulRpcCallTimeout * 1000);
if ( pHttpGetReq->CompleteStatus == ANSC_STATUS_SUCCESS && pHttpGetReq->bUnauthorized && nMaxAuthRetries > 0 )
{
CcspTr069PaTraceError(("ACS Request is not authenticated, try again.\n"));
nMaxAuthRetries --;
#ifdef _ANSC_USE_OPENSSL_
if( bApplyTls )
{
if ( ANSC_STATUS_SUCCESS == CcspTr069PaSsp_GetTr069CertificateLocationForSyndication( &openssl_client_ca_certificate_files ) )
{
openssl_load_ca_certificates( SSL_CLIENT_CALLS );
}
}
#endif /* _ANSC_USE_OPENSSL_ */
}
else
{
CcspTr069PaTraceInfo(("ACS Request has completed with status code %lu, at %lu\n", pHttpGetReq->CompleteStatus, AnscGetTickInSeconds()));
break;
}
}
/* AnscResetEvent (&pHttpGetReq->CompleteEvent); */
AnscFreeEvent(&pHttpGetReq->CompleteEvent);
CcspTr069PaFreeMemory(pHttpReqInfo);
if ( pHttpGetReq->CompleteStatus != ANSC_STATUS_SUCCESS )
{
if ( pHttpGetReq->CompleteStatus == ANSC_STATUS_RESET_SESSION )
{
goto REDIRECTED;
}
else
{
returnStatus = pHttpGetReq->CompleteStatus;
goto EXIT;
}
}
else if( pHttpGetReq->bUnauthorized)
{
returnStatus = ANSC_STATUS_FAILURE;
if( pCcspCwmpStatIf)
{
pCcspCwmpStatIf->IncTcpFailure(pCcspCwmpStatIf->hOwnerContext);
}
goto EXIT;
}
REDIRECTED:
if( pHttpGetReq->bIsRedirect)
{
if( _ansc_strstr((PCHAR)pHttpGetReq->pContent, "http") == pHttpGetReq->pContent)
{
if ( pMyObject->AcsUrl ) CcspTr069PaFreeMemory(pMyObject->AcsUrl);
pMyObject->AcsUrl = CcspTr069PaCloneString(pHttpGetReq->pContent);
}
else
{
/* if it's partial path */
pTempString = _ansc_strstr(pRequestURL, "//");
if( pTempString == NULL)
{
returnStatus = ANSC_STATUS_FAILURE;
goto EXIT;
}
pTempString += AnscSizeOfString("//");
pTempString = _ansc_strstr(pTempString, "/");
if( pTempString == NULL)
{
returnStatus = ANSC_STATUS_FAILURE;
goto EXIT;
}
AnscCopyMemory(pNewUrl, pRequestURL, (ULONG)(pTempString - pRequestURL));
AnscCatString(pNewUrl, (PCHAR)pHttpGetReq->pContent);
if ( pMyObject->AcsUrl ) CcspTr069PaFreeMemory(pMyObject->AcsUrl);
pMyObject->AcsUrl = CcspTr069PaCloneString(pNewUrl);
}
uRedirect ++;
if( uRedirect >= uMaxRedirect)
{
CcspTr069PaTraceDebug(("Maximum Redirection reached. Give up!\n"));
returnStatus = ANSC_STATUS_FAILURE;
goto EXIT;
}
else
{
CcspTr069PaTraceDebug(("Acs connection redirection #%u: '%s'\n", (unsigned int)uRedirect, pMyObject->AcsUrl));
/* in case redirected ACS challenges CPE again */
nMaxAuthRetries = 2;
/* tear down current HTTP session before redirecting to new ACS,
* otherwise, there might be case that ACS sends out redirection
* response and immediately closes the socket, CWMP may be
* confused by closing CWMP session prematurely.
*/
pHttpClient->DelAllWcsos((ANSC_HANDLE)pHttpClient);
goto START;
}
}
if(pWmpSession != NULL)
{
if( pHttpGetReq->ulContentSize > 0 && pHttpGetReq->pContent != NULL)
{
CcspTr069PaTraceDebug(("Response:\n%s\n", (char*)pHttpGetReq->pContent));
returnStatus =
pWmpSession->RecvSoapMessage
(
pWmpSession,
(PCHAR)pHttpGetReq->pContent
);
}
else
{
CcspTr069PaTraceDebug(("Response: <EMPTY>\n"));
returnStatus =
pCcspCwmpMcoIf->NotifyAcsStatus
(
pCcspCwmpMcoIf->hOwnerContext,
TRUE, /* no more requests */
FALSE
);
}
}
EXIT:
if(pHttpGetReq->pContent != NULL)
{
CcspTr069PaFreeMemory(pHttpGetReq->pContent);
pHttpGetReq->pContent = NULL;
}
/******************************************************************
GRACEFUL ROLLBACK PROCEDURES AND EXIT DOORS
******************************************************************/
return returnStatus;
}
