// @pymethod |PyIBackgroundCopyJob|Cancel|Description of Cancel.
PyObject *PyIBackgroundCopyJob::Cancel(PyObject *self, PyObject *args)
{
IBackgroundCopyJob *pIBCJ = GetI(self);
if ( pIBCJ == NULL )
return NULL;
if ( !PyArg_ParseTuple(args, ":Cancel") )
return NULL;
HRESULT hr;
PY_INTERFACE_PRECALL;
hr = pIBCJ->Cancel( );
PY_INTERFACE_POSTCALL;
if ( FAILED(hr) )
return PyCom_BuildPyException(hr, pIBCJ, IID_IBackgroundCopyJob );
return PyInt_FromLong(hr);
}
void _cdecl _tmain(int argc, LPWSTR* argv)
{
GUID guidJob;
HRESULT hr;
IBackgroundCopyManager *pQueueMgr;
IBackgroundCopyJob* pJob = NULL;
CNotifyInterface *pNotify;
if (argc != 3)
{
wprintf(L"Usage:");
wprintf(L"%s", argv[0]);
wprintf(L"[remote name] [local name]\n");
goto finished;
}
//Specify the COM threading model.
hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (SUCCEEDED(hr))
{
//The impersonation level must be at least RPC_C_IMP_LEVEL_IMPERSONATE.
hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
RPC_C_AUTHN_LEVEL_CONNECT,
RPC_C_IMP_LEVEL_IMPERSONATE,
NULL, EOAC_NONE, 0);
if (SUCCEEDED(hr))
{
// Connect to BITS
hr = CoCreateInstance(__uuidof(BackgroundCopyManager), NULL,
CLSCTX_LOCAL_SERVER,
__uuidof(IBackgroundCopyManager),
(void **)&pQueueMgr);
if (FAILED(hr))
{
// Failed to connect
wprintf(L"Failed to connect to BITS.Error: 0x%x\n",hr);
goto done;
}
}
else
{
//Failed to impersonate
wprintf(L"CoInitializeSecurity Failed. Error:0x%x\n",hr);
goto done;
}
}
else
{
wprintf(L"CoInitializeEx Failed. Error:0x%x",hr);
goto done;
}
// Create a Job
wprintf(L"Creating Job...\n");
hr = pQueueMgr->CreateJob(L"P2PSample",
BG_JOB_TYPE_DOWNLOAD,
&guidJob,
&pJob);
// Free Resources
pQueueMgr->Release();
if(FAILED(hr))
{
wprintf(L"Create Job failed with error: %x\n",hr);
goto done;
}
// Set the File Completed Call
pNotify = new CNotifyInterface();
if (pNotify)
{
hr = pJob->SetNotifyInterface(pNotify);
if (SUCCEEDED(hr))
{
hr = pJob->SetNotifyFlags(BG_NOTIFY_JOB_TRANSFERRED |
BG_NOTIFY_JOB_ERROR);
}
// Free resouces
pNotify->Release();
pNotify = NULL;
if (FAILED(hr))
{
wprintf(L"Unable to register callbacks\nError: %x\n",hr);
wprintf(L"Cancelling job\n");
goto cancel;
}
}
else
{
wprintf(L"Could not create the Notification Interface\n");
wprintf(L"Cancelling job\n");
goto cancel;
}
// Add a File
// Replace parameters with variables that contain valid paths.
wprintf(L"Adding File to Job\n");
hr = pJob->AddFile(argv[1], argv[2]);
if(FAILED(hr))
{
wprintf(L"Add File failed with error: %x\n",hr);
goto cancel;
}
//Resume the job
wprintf(L"Resuming Job...\n");
hr = pJob->Resume();
if (FAILED(hr))
{
// Resume Failed
wprintf(L"Resume failed with error: %x\n",hr);
wprintf(L"Cancelling Job\n");
goto cancel;
}
// Wait for QuitMessage from CallBack
DWORD dwLimit = GetTickCount() + (15 * 60 * 1000); // set 15 minute limit
while (dwLimit > GetTickCount())
{
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
// If it is a quit message, exit.
if (msg.message == WM_QUIT)
{
pJob->Release();
CoUninitialize();
return;
}
// Otherwise, dispatch the message.
DispatchMessage(&msg);
} // End of PeekMessage while loop
}
done:
CoUninitialize();
finished:
return;
cancel:
pJob->Cancel();
pJob->Release();
goto done;
}
