BOOL
ZDrOleClient::InterfaceDisconnect( IUnknown *pObj, REFIID riid,
LPDWORD pdwConn )
{
HRESULT hr;
IConnectionPointContainer *pCPointContainer = 0;
IConnectionPoint *pCPoint = 0;
if ( pObj == 0 || pdwConn == 0 )
return( FALSE );
if ( *pdwConn == 0 )
return( FALSE );
hr = pObj->QueryInterface( IID_IConnectionPointContainer,
(LPVOID *) &pCPointContainer );
if ( FAILED( hr ) )
return( FALSE );
hr = pCPointContainer->FindConnectionPoint( riid, &pCPoint );
if ( SUCCEEDED( hr ) )
{
// This is the Point to kill m_pEditorEventSink. We are doing this
// through Unadvise
hr = pCPoint->Unadvise(*pdwConn);
if ( SUCCEEDED( hr ) )
*pdwConn = 0L;
pCPoint->Release( );
}
pCPointContainer->Release( );
return( SUCCEEDED( hr ) );
} // InterfaceDisconnect
VOID WindCppAPIImp::release()
{
if (m_pDWindData != NULL)
{
cancelAllRequest();
HRESULT hr = E_FAIL;
IConnectionPointContainer *pCPC;
hr = m_pDWindData.QueryInterface(IID_IConnectionPointContainer, (void **)&pCPC);
if(SUCCEEDED(hr))
{
IConnectionPoint *pCP;
hr = pCPC->FindConnectionPoint(__uuidof(WindDataCOMLib::_DWindDataCOMEvents), &pCP);
if (SUCCEEDED(hr))
{
hr = pCP->Unadvise(m_dwAdvise);
pCP->Release();
}
pCPC->Release();
}
m_pDWindData.Release();
m_pDWindData = NULL;
if (m_pSink != NULL)
{
delete m_pSink;
m_pSink = NULL;
}
m_dwAdvise = 0;
}
}
// unadvise the world without decrementing the reference count of the client.
//reduces refcount of pworld by 1.
void DeleteWorld(IWorld* pWorld, DWORD dwCookie)
{
IConnectionPoint* pconnpt = NULL;
IConnectionPointContainer* pconnptctr = NULL;
if (pWorld == NULL)
return;
HRESULT hr = pWorld->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pconnptctr);
if (SUCCEEDED(hr))
{
hr = pconnptctr->FindConnectionPoint(IID_IVWObjectSite, &pconnpt);
if (SUCCEEDED(hr))
{
// HACK: artificially addref ptr
IUnknown* p = (IUnknown *)dwCookie;
p->AddRef();
pconnpt->Unadvise(dwCookie);
pconnpt->Release();
}
pconnptctr->Release();
}
pWorld->Terminate();
// REVIEW: let caller SAFERELEASE ptr rather than do it in here
// SAFERELEASE(pWorld);
}
void tLuaCOM::releaseConnections() {
if(conn_point==NULL)
return;
conn_point->Release();
IConnectionPointContainer *pcpc;
HRESULT hr = pdisp->QueryInterface(IID_IConnectionPointContainer, (void **) &pcpc);
if(FAILED(hr))
{
return;
}
IEnumConnectionPoints *pecp;
hr = pcpc->EnumConnectionPoints(&pecp);
pcpc->Release();
if(FAILED(hr))
{
return;
}
pecp->Reset();
IConnectionPoint *pcp;
ULONG fetched = 0;
hr = pecp->Next(1, &pcp, &fetched);
while(SUCCEEDED(hr) && fetched) {
IEnumConnections *pec;
hr = pcp->EnumConnections(&pec);
if(SUCCEEDED(hr)) {
pec->Reset();
CONNECTDATA conn;
ULONG conn_fetched = 0;
hr = pec->Next(1, &conn, &conn_fetched);
while(SUCCEEDED(hr) && conn_fetched) {
pcp->Unadvise(conn.dwCookie);
hr = pec->Next(1, &conn, &conn_fetched);
}
pec->Release();
}
pcp->Release();
pecp->Next(1, &pcp, &fetched);
}
pecp->Release();
}
int main(int argc, char * argv[])
{
IKernelLog * pKernelLog;
IKernelLogEvents * psKernelLogEvents;
IConnectionPoint * cp;
DWORD cookie;
MSG msg;
IKernelLogEvents a;
::CoInitialize(NULL);
destination = 0;
tmain_threadid = ::GetCurrentThreadId();
if(!FAILED(::CoCreateInstance(CLSID_KernelLog, NULL, CLSCTX_ALL, __uuidof(IKernelLog), (void **)&pKernelLog)))
{
cp = NULL;
psKernelLogEvents = new IKernelLogEvents;
if(Advise(pKernelLog, __uuidof(_IKernelLogEvents), psKernelLogEvents, &cookie, &cp))
{
::SetConsoleCtrlHandler(HandlerRoutine, TRUE);
while(::GetMessage(&msg, NULL, 0, 0) != 0)
{ ::DispatchMessage(&msg); }
::SetConsoleCtrlHandler(HandlerRoutine, FALSE);
cp->Unadvise(cookie);
}
delete psKernelLogEvents;
if(pKernelLog != NULL)
pKernelLog->Release();
}
if(destination != NULL)
{
Printf("\n\nSuspended by Ctrl-C event occursion.\n");
fclose(destination);
}
::CoUninitialize();
return 0;
}
// @pymethod |PyIConnectionPoint|Unadvise|Terminates an advisory connection previously established through IConnectionPoint::Advise. The dwCookie parameter identifies the connection to terminate.
PyObject *PyIConnectionPoint::Unadvise(PyObject *self, PyObject *args)
{
DWORD cookie;
// @pyparm int|cookie||The connection token
if ( !PyArg_ParseTuple(args, "i:Unadvise", &cookie) )
return NULL;
IConnectionPoint *pICP = GetI(self);
if ( pICP == NULL )
return NULL;
PY_INTERFACE_PRECALL;
HRESULT hr = pICP->Unadvise(cookie);
PY_INTERFACE_POSTCALL;
if ( FAILED(hr) )
return SetPythonCOMError(self,hr);
Py_INCREF(Py_None);
return Py_None;
}
void Win32WebControl::removeWebView()
{
if (_connectionPoint != NULL)
{
_connectionPoint->Unadvise(_cookie);
_connectionPoint->Release();
_connectionPoint = NULL;
}
if (_htmlDoc != NULL)
{
_htmlDoc->Release();
_htmlDoc = NULL;
}
if (_webBrowser2 != NULL)
{
_webBrowser2->Release();
_webBrowser2 = NULL;
}
_winContainer.DestroyWindow();
}
void CXTPReportDataManager::RemoveDataSource()
{
try
{
// unadvise events
if (m_pRstEvent)
{
IConnectionPointContainer *pCPC = NULL;
IConnectionPoint *pCP = NULL;
HRESULT hr = m_pDataSource->QueryInterface(__uuidof(IConnectionPointContainer), (void**)&pCPC);
if (SUCCEEDED(hr))
{
hr = pCPC->FindConnectionPoint(__uuidof(XTPREPORTADODB::RecordsetEvents), &pCP);
pCPC->Release();
if (SUCCEEDED(hr))
{
hr = pCP->Unadvise(m_dwRstEvent);
pCP->Release();
}
}
//delete m_pRstEvent;
m_pRstEvent->Release();
m_pRstEvent = NULL;
}
// set data source pointer to NULL
m_pDataSource = NULL;
}
catch(_com_error &e)
{
TRACE_ProviderError(m_pConnection);
TRACE_ComError(e);
}
catch(...)
{
TRACE(_T("Unknown error in RemoveDataSource()\n"));
}
}
HRESULT UnRegisterCallBack()
{
LogMessage("UnRegisterCallBack: started");
HRESULT hr = S_OK;
//
// get connection point container on the tapi object
//
IConnectionPointContainer *pCPContainer = NULL;
hr = g_pTapi->QueryInterface(IID_IConnectionPointContainer,
(void **)&pCPContainer);
if (FAILED(hr))
{
LogError("UnRegisterCallBack: "
"Failed to get IConnectionPointContainer on TAPI");
return hr;
}
//
// find connection point for our interface
//
IConnectionPoint *pConnectionPoint = NULL;
hr = pCPContainer->FindConnectionPoint(IID_ITTAPIEventNotification,
&pConnectionPoint);
pCPContainer->Release();
pCPContainer = NULL;
if (FAILED(hr))
{
LogError("RegisterCallback: Failed to get a connection point for "
"ITTAPIEventNotification");
return hr;
}
//
// unregister the callback
//
hr = pConnectionPoint->Unadvise(g_nTAPINotificationCookie);
pConnectionPoint->Release();
pConnectionPoint = NULL;
g_nTAPINotificationCookie = 0;
if (FAILED(hr))
{
LogError("UnRegisterCallBack: Unadvise failed");
}
else
{
LogMessage("UnRegisterCallBack: succeeded");
}
return hr;
}
STDMETHODIMP COPCGroupImpl::put_IsSubscribed(VARIANT_BOOL IsSubscribed)
{
if( !m_pOPCGroup )
return E_FAIL;
HRESULT hr=S_OK;
if( IsSubscribed == m_subscribed )
return hr;
if( IsSubscribed )
{
if( m_usingCP )
{
IConnectionPointContainer *pCPC = 0;
hr = m_pOPCGroup->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pCPC);
if( SUCCEEDED(hr) )
{
IConnectionPoint *pCallbackCP = 0;
hr = pCPC->FindConnectionPoint(IID_IOPCDataCallback, &pCallbackCP);
pCPC->Release();
if( FAILED(hr) )
{
return E_FAIL;
}
IUnknown* pUnk = NULL;
((COPCGroup*)this)->QueryInterface( IID_IUnknown, (LPVOID*)&pUnk);
hr = pCallbackCP->Advise(pUnk, &m_DataConnection);
pCallbackCP->Release();
pUnk->Release();
if( FAILED(hr) )
{
return E_FAIL;
}
}
}
else
{
if( !m_pIDataObject )
{
m_pIDataObject = m_pOPCGroup; // get IDataObject Interface
if( !m_pIDataObject )
return E_FAIL;
}
IAdviseSink *pAdviseSink = NULL;
hr = ((COPCGroup*)this)->QueryInterface(IID_IAdviseSink, (LPVOID *)&pAdviseSink);
if (FAILED(hr))
{
return E_FAIL;
}
FORMATETC formatEtc ;
formatEtc.cfFormat = OPCSTMFORMATDATATIME;
formatEtc.tymed = TYMED_HGLOBAL;
formatEtc.ptd = NULL;
formatEtc.dwAspect = DVASPECT_CONTENT;
formatEtc.lindex = -1;
hr = m_pIDataObject->DAdvise(&formatEtc,
(DWORD)ADVF_PRIMEFIRST,
pAdviseSink,
&m_DataConnection);
if( SUCCEEDED(hr) ) // also advise write complete
{
formatEtc.cfFormat = OPCSTMFORMATWRITECOMPLETE;
hr = m_pIDataObject->DAdvise(&formatEtc,
(DWORD)ADVF_PRIMEFIRST,
pAdviseSink,
&m_WriteConnection);
}
// DAdvise will hold its own reference
pAdviseSink->Release();
}
m_subscribed = VARIANT_TRUE;
}
else // Unsubscribing
{
if( m_usingCP )
{
// OPC 2.0 ConnectionPoints
IConnectionPointContainer *pCPC = 0;
hr = m_pOPCGroup->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pCPC);
if( SUCCEEDED(hr) )
{
IConnectionPoint *pCallbackCP = 0;
hr = pCPC->FindConnectionPoint(IID_IOPCDataCallback, &pCallbackCP);
if( SUCCEEDED(hr) )
{
hr = pCallbackCP->Unadvise(m_DataConnection);
pCallbackCP->Release();
}
pCPC->Release();
}
}
else
{
if( m_pIDataObject.p ) // if a valid interface pointer
{
hr = m_pIDataObject->DUnadvise(m_DataConnection);
if( SUCCEEDED(hr) ) // also unadvise write complete
hr = m_pIDataObject->DUnadvise(m_WriteConnection);
m_pIDataObject.Release();
}
}
m_subscribed = VARIANT_FALSE;
}
return hr;
}
//*******************************************************************
void COpcC_Client::DoOpcDisconnect()
{
CWaitCursor wait;
HRESULT hr = S_OK;
if( opcServer.IsOk() && opcGroup.IsOk() )
{
if( dwShutdownConnection )
{
IConnectionPointContainer *pCPC = 0;
hr = opcServer.QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC);
if( SUCCEEDED(hr) )
{
IConnectionPoint *pCallbackCP = 0;
hr = pCPC->FindConnectionPoint(IID_IOPCShutdown, &pCallbackCP);
if( SUCCEEDED(hr) )
{
hr = pCallbackCP->Unadvise(dwShutdownConnection);
pCallbackCP->Release();
}
pCPC->Release();
}
}
if( usingCP )
{
// OPC 2.0 ConnectionPoints
IConnectionPointContainer *pCPC = 0;
hr = opcGroup.QueryInterface(IID_IConnectionPointContainer, (void**)&pCPC);
if( SUCCEEDED(hr) && dwConnection1 ) // This server supports 2.0
{
IConnectionPoint *pCallbackCP = 0;
hr = pCPC->FindConnectionPoint(IID_IOPCDataCallback, &pCallbackCP);
if( SUCCEEDED(hr) )
{
hr = pCallbackCP->Unadvise(dwConnection1);
pCallbackCP->Release();
}
pCPC->Release();
}
}
else
// call IDataObject::DUnadvise to turn off data notification
{
DataObject dataObject;
HRESULT hr = dataObject.Attach( opcGroup );
if( SUCCEEDED(hr) )
{
if( dwConnection1 )
hr = dataObject.DUnadvise(dwConnection1);
if( dwConnection2 )
hr = dataObject.DUnadvise(dwConnection2);
dataObject.Detach();
}
}
opcServer.RemoveGroup(groupHandle, FALSE);
}
opcGroup.Detach();
opcServer.Detach();
Sleep( 100 );
// now that the group is released and unadvised, no more data will
// be sent from the server. It is safe to delete the items
while( !items.IsEmpty() )
delete items.RemoveTail();
}
// **************************************************************************
// Disconnect ()
//
// Description:
// Called to disconnect from OPC server.
//
// Parameters:
// none
//
// Returns:
// void
// **************************************************************************
void CKServer::Disconnect ()
{
// Log success if we were truly connected:
if (m_bConnected == true)
LogMsg (IDS_SERVER_DISCONNECTED, GetProgID ());
// Reset member variable:
m_bConnected = false;
// Release all of our server interface references:
if (m_pIServer)
{
m_pIServer->Release ();
m_pIServer = NULL;
}
if (m_pICommon)
{
m_pICommon->Release ();
m_pICommon = NULL;
}
if (m_pIConnPtContainer)
{
// Unadvise shutdown notifications:
if (m_dwCookieShutdownSink != 0)
{
HRESULT hr = E_FAIL;
IConnectionPoint *pCP = NULL;
hr = m_pIConnPtContainer->FindConnectionPoint (IID_IOPCShutdown, &pCP);
if (SUCCEEDED (hr))
{
hr = pCP->Unadvise (m_dwCookieShutdownSink);
pCP->Release ();
}
if (FAILED (hr))
{
TRACE (_T("OTC: CKServer::Disconnect () - failed to unadvise shutdown notifications\r\n"));
}
m_dwCookieShutdownSink = 0;
}
if (m_pIShutdownSink != NULL)
{
m_pIShutdownSink->Release ();
m_pIShutdownSink = NULL;
}
m_pIConnPtContainer->Release ();
m_pIConnPtContainer = NULL;
}
if (m_pIItemProps)
{
m_pIItemProps->Release ();
m_pIItemProps = NULL;
}
if (m_pIBrowse)
{
m_pIBrowse->Release ();
m_pIBrowse = NULL;
}
if (m_pIPublicGroups)
{
m_pIPublicGroups->Release ();
m_pIPublicGroups = NULL;
}
if (m_pIPersistFile)
{
m_pIPersistFile->Release ();
m_pIPersistFile = NULL;
}
}