C++ (Cpp) IVssBackupComponents::DeleteSnapshots Examples

Example #1

File: vss_generic.cpp Project: barroque/burp

BOOL VSSClientGeneric::CloseBackup()
{
   BOOL bRet = FALSE;
   if (!m_pVssObject)
      errno = ENOSYS;
   else {
      IVssBackupComponents* pVss = (IVssBackupComponents*) m_pVssObject;
      CComPtr<IVssAsync>  pAsync;

      SetVSSPathConvert(NULL, NULL);

      m_bBackupIsInitialized = false;

      if (SUCCEEDED(pVss->BackupComplete(&pAsync.p))) {
         // Waits for the async operation to finish and checks the result
         WaitAndCheckForAsyncOperation(pAsync.p);
         bRet = TRUE;     
      } else {
         errno = b_errno_win32;
         pVss->AbortBackup();
      }

      /* get latest info about writer status */
      CheckWriterStatus();

      if (m_uidCurrentSnapshotSet != GUID_NULL) {
         VSS_ID idNonDeletedSnapshotID = GUID_NULL;
         LONG lSnapshots;

         pVss->DeleteSnapshots(
            m_uidCurrentSnapshotSet, 
            VSS_OBJECT_SNAPSHOT_SET,
            FALSE,
            &lSnapshots,
            &idNonDeletedSnapshotID);

         m_uidCurrentSnapshotSet = GUID_NULL;
      }

      pVss->Release();
      m_pVssObject = NULL;
   }

   // Call CoUninitialize if the CoInitialize was performed sucesfully
   if (m_bCoInitializeCalled) {
      CoUninitialize();
      m_bCoInitializeCalled = false;
   }

   return bRet;
}

Example #2

File: vss_generic.c Project: eneuhauss/bareos

bool VSSClientGeneric::CloseBackup()
{
   bool bRet = false;
   HRESULT hr;
   BSTR xml;
   IVssBackupComponents* pVssObj = (IVssBackupComponents*)m_pVssObject;

   if (!m_pVssObject) {
      Jmsg(m_jcr, M_FATAL, 0, "VssOject is NULL.\n");
      errno = ENOSYS;
      return bRet;
   }
   CComPtr<IVssAsync>  pAsync;

   SetVSSPathConvert(NULL, NULL);

   m_bBackupIsInitialized = false;

   hr = pVssObj->BackupComplete(&pAsync.p);
   if (SUCCEEDED(hr)) {
      // Waits for the async operation to finish and checks the result
      WaitAndCheckForAsyncOperation(pAsync.p);
      bRet = true;
   } else {
      JmsgVssApiStatus(m_jcr, M_ERROR, hr, "BackupComplete");
      errno = b_errno_win32;
      pVssObj->AbortBackup();
   }

   /* get latest info about writer status */
   CheckWriterStatus();

   hr = pVssObj->SaveAsXML(&xml);
   if (SUCCEEDED(hr)) {
      m_metadata = xml;
   } else {
      m_metadata = NULL;
   }

   /* FIXME?: The docs http://msdn.microsoft.com/en-us/library/aa384582%28v=VS.85%29.aspx say this isn't required... */
   if (m_uidCurrentSnapshotSet != GUID_NULL) {
      VSS_ID idNonDeletedSnapshotID = GUID_NULL;
      LONG lSnapshots;

      pVssObj->DeleteSnapshots(
         m_uidCurrentSnapshotSet,
         VSS_OBJECT_SNAPSHOT_SET,
         false,
         &lSnapshots,
         &idNonDeletedSnapshotID);

      m_uidCurrentSnapshotSet = GUID_NULL;
   }

   if (m_bWriterStatusCurrent) {
      m_bWriterStatusCurrent = false;
      pVssObj->FreeWriterStatus();
   }

   pVssObj->Release();
   m_pVssObject = NULL;

   // Call CoUninitialize if the CoInitialize was performed sucesfully
   if (m_bCoInitializeCalled) {
      CoUninitialize();
      m_bCoInitializeCalled = false;
   }

   return bRet;
}