/*
 * merge.c - File merge handler module.
 */


/* Headers
 **********/

#include "project.h"
#pragma hdrstop

#include "stub.h"
#include "oleutil.h"
#include "irecinit.h"


/* Module Variables
 *******************/

#pragma data_seg(DATA_SEG_PER_INSTANCE)

/* lock count for reconciliation handler cache */

PRIVATE_DATA ULONG MulcRecHandlerCacheLock = 0;

/* handle to reconciliation handler cache */

PRIVATE_DATA HCLSIFACECACHE MhcicRecHandlerCache = NULL;

#pragma data_seg()


/***************************** Private Functions *****************************/

/* Module Prototypes
 ********************/

PRIVATE_CODE HRESULT CreateRecHandlerCache(void);
PRIVATE_CODE void DestroyRecHandlerCache(void);
PRIVATE_CODE HRESULT OLEMerge(PRECNODE, RECSTATUSPROC, LPARAM, DWORD, HWND, HWND, PRECNODE *);
PRIVATE_CODE BOOL GetRecNodeByIndex(PCRECITEM, LONG, PRECNODE *);
PRIVATE_CODE HRESULT CreateMergeSourceMonikers(PRECNODE, PULONG, PIMoniker **);
PRIVATE_CODE HRESULT CreateCopyDestinationMonikers(PCRECITEM, PULONG, PIMoniker **);

#ifdef DEBUG

PRIVATE_CODE BOOL RecHandlerCacheIsOk(void);
PRIVATE_CODE BOOL VerifyRECITEMAndDestRECNODE(PCRECNODE);

#endif


/*
** CreateRecHandlerCache()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE HRESULT CreateRecHandlerCache(void)
{
   HRESULT hr;

   ASSERT(RecHandlerCacheIsOk());

   /* Has the merge handler cache already been created? */

   if (MhcicRecHandlerCache)
      /* Yes. */
      hr = S_OK;
   else
   {
      /* No.  Create it. */

      if (CreateClassInterfaceCache(&MhcicRecHandlerCache))
      {
         hr = S_OK;

         TRACE_OUT((TEXT("CreateRecHandlerCache(): Merge handler cache created.")));
      }
      else
         hr = E_OUTOFMEMORY;
   }

   ASSERT(RecHandlerCacheIsOk());

   return(hr);
}


/*
** DestroyRecHandlerCache()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE void DestroyRecHandlerCache(void)
{
   ASSERT(RecHandlerCacheIsOk());

   /* Has the merge handler cache already been created? */

   if (MhcicRecHandlerCache)
   {
      /* Yes.  Destroy it. */

      DestroyClassInterfaceCache(MhcicRecHandlerCache);
      MhcicRecHandlerCache = NULL;

      TRACE_OUT((TEXT("DestroyRecHandlerCache(): Merge handler cache destroyed.")));
   }

   ASSERT(RecHandlerCacheIsOk());

   return;
}


/*
** OLEMerge()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE HRESULT OLEMerge(PRECNODE prnDest, RECSTATUSPROC rsp,
                              LPARAM lpCallbackData, DWORD dwInFlags,
                              HWND hwndOwner, HWND hwndProgressFeedback,
                              PRECNODE *pprnMergedResult)
{
   HRESULT hr;
   TCHAR rgchMergeDestPath[MAX_PATH_LEN];
   CLSID clsidReconcilableObject;

   /* lpCallbackData may be any value. */

   ASSERT(IS_VALID_STRUCT_PTR(prnDest, CRECNODE));
   ASSERT(! rsp ||
          IS_VALID_CODE_PTR(rsp, RECSTATUSPROC));
   ASSERT(FLAGS_ARE_VALID(dwInFlags, ALL_RI_FLAGS));
   ASSERT(IS_FLAG_CLEAR(dwInFlags, RI_FL_ALLOW_UI) ||
          IS_VALID_HANDLE(hwndOwner, WND));
   ASSERT(IS_FLAG_CLEAR(dwInFlags, RI_FL_FEEDBACK_WINDOW_VALID) ||
          IS_VALID_HANDLE(hwndProgressFeedback, WND));
   ASSERT(IS_VALID_WRITE_PTR(pprnMergedResult, PRECNODE));

   ComposePath(rgchMergeDestPath, prnDest->pcszFolder, prnDest->priParent->pcszName);
   ASSERT(lstrlen(rgchMergeDestPath) < ARRAYSIZE(rgchMergeDestPath));

   hr = GetReconcilerClassID(rgchMergeDestPath, &clsidReconcilableObject);

   if (SUCCEEDED(hr))
   {
      PIReconcilableObject piro;

      hr = GetClassInterface(MhcicRecHandlerCache, &clsidReconcilableObject,
                             &IID_IReconcilableObject, &piro);

      if (SUCCEEDED(hr))
      {
         HSTGIFACE hstgi;

         hr = GetStorageInterface((PIUnknown)piro, &hstgi);

         if (SUCCEEDED(hr))
         {
            hr = LoadFromStorage(hstgi, rgchMergeDestPath);

            if (SUCCEEDED(hr))
            {
               PIReconcileInitiator pirecinit;

               hr = IReconcileInitiator_Constructor(
                        GetTwinBriefcase((HTWIN)(prnDest->hObjectTwin)), rsp,
                        lpCallbackData, &pirecinit);

               if (SUCCEEDED(hr))
               {
                  ULONG ulcMergeSources;
                  PIMoniker *ppimkMergeSources;

                  hr = CreateMergeSourceMonikers(prnDest, &ulcMergeSources,
                                                 &ppimkMergeSources);

                  if (SUCCEEDED(hr))
                  {
                     DWORD dwOLEFlags;
                     LONG liMergedResult;

                     dwOLEFlags = (RECONCILEF_NORESIDUESOK |
                                   RECONCILEF_OMITSELFRESIDUE |
                                   RECONCILEF_YOUMAYDOTHEUPDATES);

                     if (IS_FLAG_SET(dwInFlags, RI_FL_ALLOW_UI))
                        SET_FLAG(dwOLEFlags, RECONCILEF_MAYBOTHERUSER);

                     if (IS_FLAG_SET(dwInFlags, RI_FL_FEEDBACK_WINDOW_VALID))
                        SET_FLAG(dwOLEFlags, RECONCILEF_FEEDBACKWINDOWVALID);

                     hr = piro->lpVtbl->Reconcile(piro, pirecinit, dwOLEFlags,
                                                  hwndOwner,
                                                  hwndProgressFeedback,
                                                  ulcMergeSources,
                                                  ppimkMergeSources,
                                                  &liMergedResult, NULL, NULL);

                     if (SUCCEEDED(hr))
                     {
                        if (hr == REC_S_IDIDTHEUPDATES)
                        {
                           /* Return original merge destination RECNODE. */

                           *pprnMergedResult = prnDest;

                           TRACE_OUT((TEXT("OLEMerge(): IReconcilableObject::Reconcile() returned %s.  Not saving merged result to %s\\%s."),
                                      GetHRESULTString(hr),
                                      prnDest->pcszFolder,
                                      prnDest->priParent->pcszName));
                        }
                        else
                        {
                           /*
                            * Only save the merged result if it's different
                            * than all of the replicas.
                            */

                           if (liMergedResult < 0)
                           {
                              ASSERT(liMergedResult == -1);

                              hr = SaveToStorage(hstgi);

                              if (SUCCEEDED(hr))
                              {
                                 *pprnMergedResult = prnDest;

                                 TRACE_OUT((TEXT("OLEMerge(): Merge into %s completed successfully."),
                                            rgchMergeDestPath));
                              }
                              else
                                 WARNING_OUT((TEXT("OLEMerge(): Failed to save merged result to %s."),
                                              rgchMergeDestPath));
                           }
                           else if (! liMergedResult)
                           {
                              *pprnMergedResult = prnDest;

                              TRACE_OUT((TEXT("OLEMerge(): Merged result identical to %s."),
                                         rgchMergeDestPath));
                           }
                           else
                           {
                              if (GetRecNodeByIndex(prnDest->priParent,
                                                    liMergedResult,
                                                    pprnMergedResult))
                                 TRACE_OUT((TEXT("OLEMerge(): Merged result identical to %s\\%s."),
                                            (*pprnMergedResult)->pcszFolder,
                                            (*pprnMergedResult)->priParent->pcszName));
                              else
                              {
                                 hr = E_UNEXPECTED;

                                 WARNING_OUT((TEXT("OLEMerge(): Merge handler returned bad merge result index %ld.  No such RECNODE for %s."),
                                              liMergedResult,
                                              prnDest->priParent->pcszName));
                              }
                           }
                        }
                     }
                     else
                        WARNING_OUT((TEXT("OLEMerge(): Merge to %s failed."),
                                     rgchMergeDestPath));

                     ReleaseIUnknowns(ulcMergeSources,
                                      (PIUnknown *)ppimkMergeSources);
                  }
                  else
                     WARNING_OUT((TEXT("OLEMerge(): Failed to create merge source monikers for merge destination %s."),
                                  rgchMergeDestPath));

                  EVAL(! pirecinit->lpVtbl->Release(pirecinit));
               }
               else
                  WARNING_OUT((TEXT("OLEMerge(): Failed to create ReconcileInitiator for merge destination %s."),
                               rgchMergeDestPath));
            }
            else
               WARNING_OUT((TEXT("OLEMerge(): Failed to load replica %s from storage."),
                            rgchMergeDestPath));

            ReleaseStorageInterface(hstgi);
         }
         else
            WARNING_OUT((TEXT("OLEMerge(): Failed to get storage interface for replica %s."),
                         rgchMergeDestPath));
      }
      else
         TRACE_OUT((TEXT("OLEMerge(): Failed to get IReconcilableObject for replica %s."),
                    rgchMergeDestPath));
   }
   else
      TRACE_OUT((TEXT("OLEMerge(): Failed to get reconciliation handler class ID for replica %s."),
                 rgchMergeDestPath));

   ASSERT(FAILED(hr) ||
          (IS_VALID_STRUCT_PTR(*pprnMergedResult, CRECNODE) &&
           (*pprnMergedResult)->priParent == prnDest->priParent));
           
   return(hr);
}


/*
** GetRecNodeByIndex()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
**
** The first RECNODE in the RECITEM's list of RECNODEs is index 1, the second
** RECNODE is index 2, etc.
*/
PRIVATE_CODE BOOL GetRecNodeByIndex(PCRECITEM pcri, LONG li, PRECNODE *pprn)
{
   BOOL bFound;

   ASSERT(IS_VALID_STRUCT_PTR(pcri, CRECITEM));
   ASSERT(IS_VALID_WRITE_PTR(pprn, PRECNODE));

   if (EVAL(li > 0))
   {
      PRECNODE prn;

      for (prn = pcri->prnFirst; prn && --li > 0; prn = prn->prnNext)
         ;

      bFound = EVAL(prn && ! li);

      if (bFound)
         *pprn = prn;
   }
   else
      bFound = FALSE;

   ASSERT(! bFound ||
          (IS_VALID_STRUCT_PTR(*pprn, CRECNODE) &&
           (*pprn)->priParent == pcri));

   return(bFound);
}


/*
** CreateMergeSourceMonikers()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE HRESULT CreateMergeSourceMonikers(PRECNODE prnDest,
                                          PULONG pulcMergeSources,
                                          PIMoniker **pppimk)
{
   HRESULT hr;
   ULONG ulcMergeSources;
   PCRECNODE pcrn;

   ASSERT(IS_VALID_STRUCT_PTR(prnDest, CRECNODE));
   ASSERT(IS_VALID_WRITE_PTR(pulcMergeSources, ULONG));
   ASSERT(IS_VALID_WRITE_PTR(pppimk, PIMoniker *));

   ulcMergeSources = 0;

   for (pcrn = prnDest->priParent->prnFirst; pcrn; pcrn = pcrn->prnNext)
   {
      if (pcrn->rnaction == RNA_MERGE_ME &&
          pcrn != prnDest)
         ulcMergeSources++;
   }

   if (AllocateMemory(ulcMergeSources * sizeof(**pppimk), (PVOID *)pppimk))
   {
      hr = S_OK;
      *pulcMergeSources = 0;

      for (pcrn = prnDest->priParent->prnFirst; pcrn; pcrn = pcrn->prnNext)
      {
         if (pcrn->rnaction == RNA_MERGE_ME &&
             pcrn != prnDest)
         {
            hr = MyCreateFileMoniker(pcrn->pcszFolder,
                                     pcrn->priParent->pcszName,
                                     &((*pppimk)[*pulcMergeSources]));

            if (SUCCEEDED(hr))
            {
               ASSERT(*pulcMergeSources < ulcMergeSources);
               (*pulcMergeSources)++;
            }
            else
               break;
         }
      }

      if (FAILED(hr))
         ReleaseIUnknowns(*pulcMergeSources, *(PIUnknown **)pppimk);
   }
   else
      hr = E_OUTOFMEMORY;

   return(hr);
}


/*
** CreateCopyDestinationMonikers()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE HRESULT CreateCopyDestinationMonikers(PCRECITEM pcri,
                                              PULONG pulcCopyDestinations,
                                              PIMoniker **pppimk)
{
   HRESULT hr;
   ULONG ulcCopyDestinations;
   PCRECNODE pcrn;

   ASSERT(IS_VALID_STRUCT_PTR(pcri, CRECITEM));
   ASSERT(IS_VALID_WRITE_PTR(pulcCopyDestinations, ULONG));
   ASSERT(IS_VALID_WRITE_PTR(pppimk, PIMoniker *));

   ulcCopyDestinations = 0;

   for (pcrn = pcri->prnFirst; pcrn; pcrn = pcrn->prnNext)
   {
      if (pcrn->rnaction == RNA_COPY_TO_ME)
         ulcCopyDestinations++;
   }

   if (AllocateMemory(ulcCopyDestinations * sizeof(**pppimk), (PVOID *)pppimk))
   {
      hr = S_OK;
      *pulcCopyDestinations = 0;

      for (pcrn = pcri->prnFirst; pcrn; pcrn = pcrn->prnNext)
      {
         if (pcrn->rnaction == RNA_COPY_TO_ME)
         {
            ASSERT(pcrn->priParent == pcri);

            hr = MyCreateFileMoniker(pcrn->pcszFolder,
                                     pcrn->priParent->pcszName,
                                     &((*pppimk)[*pulcCopyDestinations]));

            if (SUCCEEDED(hr))
            {
               ASSERT(*pulcCopyDestinations < ulcCopyDestinations);
               (*pulcCopyDestinations)++;
            }
            else
               break;
         }
      }

      if (FAILED(hr))
         ReleaseIUnknowns(*pulcCopyDestinations, *(PIUnknown **)pppimk);
   }
   else
      hr = E_OUTOFMEMORY;

   return(hr);
}


#ifdef DEBUG

/*
** RecHandlerCacheIsOk()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE BOOL RecHandlerCacheIsOk(void)
{
   /* Are the module merge handler cache variables in a correct state? */

   return(! MhcicRecHandlerCache ||
          IS_VALID_HANDLE(MhcicRecHandlerCache, CLSIFACECACHE));
}


/*
** VerifyRECITEMAndDestRECNODE()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PRIVATE_CODE BOOL VerifyRECITEMAndDestRECNODE(PCRECNODE pcrnSrc)
{
   /* Do the RECITEM and source RECNODE actions match? */

   return(pcrnSrc->priParent->riaction == RIA_MERGE &&
          pcrnSrc->rnaction == RNA_MERGE_ME);
}

#endif


/****************************** Public Functions *****************************/


/*
** BeginMerge()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE void BeginMerge(void)
{
   ASSERT(RecHandlerCacheIsOk());

   ASSERT(MulcRecHandlerCacheLock < ULONG_MAX);
   MulcRecHandlerCacheLock++;

   ASSERT(RecHandlerCacheIsOk());

   return;
}


/*
** EndMerge()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE void EndMerge(void)
{
   ASSERT(RecHandlerCacheIsOk());

   /* Is the merge handler cache still locked? */

   if (! --MulcRecHandlerCacheLock)
      DestroyRecHandlerCache();

   ASSERT(RecHandlerCacheIsOk());

   return;
}


/*
** MergeHandler()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE HRESULT MergeHandler(PRECNODE prnDest, RECSTATUSPROC rsp,
                                 LPARAM lpCallbackData, DWORD dwInFlags,
                                 HWND hwndOwner, HWND hwndProgressFeedback,
                                 PRECNODE *pprnMergedResult)
{
   HRESULT hr;

   /* lpCallbackData may be any value. */

   ASSERT(IS_VALID_STRUCT_PTR(prnDest, CRECNODE));
   ASSERT(! rsp ||
          IS_VALID_CODE_PTR(rsp, RECSTATUSPROC));
   ASSERT(FLAGS_ARE_VALID(dwInFlags, ALL_RI_FLAGS));
   ASSERT(IS_FLAG_CLEAR(dwInFlags, RI_FL_ALLOW_UI) ||
          IS_VALID_HANDLE(hwndOwner, WND));
   ASSERT(IS_FLAG_CLEAR(dwInFlags, RI_FL_FEEDBACK_WINDOW_VALID) ||
          IS_VALID_HANDLE(hwndProgressFeedback, WND));
   ASSERT(IS_VALID_WRITE_PTR(pprnMergedResult, PRECNODE));

   ASSERT(VerifyRECITEMAndDestRECNODE(prnDest));

   BeginMerge();

   /* Make sure the merge handler cache has been created. */

   hr = CreateRecHandlerCache();

   if (SUCCEEDED(hr))
   {
      RECSTATUSUPDATE rsu;

      /* 0% complete. */

      rsu.ulScale = 1;
      rsu.ulProgress = 0;

      if (NotifyReconciliationStatus(rsp, RS_BEGIN_MERGE, (LPARAM)&rsu,
                                     lpCallbackData))
      {
         hr = OLEMerge(prnDest, rsp, lpCallbackData, dwInFlags, hwndOwner,
                       hwndProgressFeedback, pprnMergedResult);

         if (SUCCEEDED(hr))
         {
            /* 100% complete. */

            rsu.ulScale = 1;
            rsu.ulProgress = 1;

            /* Don't allow abort. */

            NotifyReconciliationStatus(rsp, RS_END_MERGE, (LPARAM)&rsu,
                                       lpCallbackData);
         }
      }
      else
         hr = E_ABORT;
   }

   EndMerge();

   ASSERT(FAILED(hr) ||
          (IS_VALID_STRUCT_PTR(*pprnMergedResult, CRECNODE) &&
           (*pprnMergedResult)->priParent == prnDest->priParent));
           
   return(hr);
}


/*
** MyCreateFileMoniker()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE HRESULT MyCreateFileMoniker(LPCTSTR pcszPath, LPCTSTR pcszSubPath,
                                   PIMoniker *ppimk)
{
   HRESULT hr;
   TCHAR rgchPath[MAX_PATH_LEN];
   WCHAR rgwchUnicodePath[MAX_PATH_LEN];

   ASSERT(IS_VALID_STRING_PTR(pcszPath, CSTR));
   ASSERT(IS_VALID_WRITE_PTR(ppimk, PIMoniker));

   ComposePath(rgchPath, pcszPath, pcszSubPath);
   ASSERT(lstrlen(rgchPath) < ARRAYSIZE(rgchPath));

#ifdef UNICODE

   hr = CreateFileMoniker(rgchPath, ppimk);

#else

   /* Translate ANSI string into Unicode for OLE. */

   if (MultiByteToWideChar(CP_ACP, 0, rgchPath, -1, rgwchUnicodePath,
                           ARRAY_ELEMENTS(rgwchUnicodePath)))
   {
      hr = CreateFileMoniker(rgwchUnicodePath, ppimk);
   }
   else
   {
      hr = MAKE_SCODE(SEVERITY_ERROR, FACILITY_WIN32, GetLastError());
   }

#endif

   if (FAILED(hr))
     WARNING_OUT((TEXT("MyCreateFileMoniker(): CreateFileMoniker() on %s failed, returning %s."),
                  pcszPath,
                  GetHRESULTString(hr)));
   
   return(hr);
}


/*
** ReleaseIUnknowns()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE void ReleaseIUnknowns(ULONG ulcIUnknowns, PIUnknown *ppiunk)
{
   ULONG uli;

   /* ulcIUnknowns may be any value. */

   ASSERT(IS_VALID_READ_BUFFER_PTR(ppiunk, PIUnknown, ulcIUnknowns * sizeof(*ppiunk)));

   for (uli = 0; uli < ulcIUnknowns; uli++)
   {
      ASSERT(IS_VALID_STRUCT_PTR(ppiunk[uli], CIUnknown));

      ppiunk[uli]->lpVtbl->Release(ppiunk[uli]);
   }

   FreeMemory(ppiunk);

   return;
}


/*
** OLECopy()
**
** 
**
** Arguments:
**
** Returns:
**
** Side Effects:  none
*/
PUBLIC_CODE HRESULT OLECopy(PRECNODE prnSrc, PCCLSID pcclsidReconcilableObject,
                            RECSTATUSPROC rsp, LPARAM lpCallbackData,
                            DWORD dwFlags, HWND hwndOwner,
                            HWND hwndProgressFeedback)
{
   HRESULT hr;

   /* lpCallbackData may be any value. */

   ASSERT(IS_VALID_STRUCT_PTR(prnSrc, CRECNODE));
   ASSERT(IS_VALID_STRUCT_PTR(pcclsidReconcilableObject, CCLSID));
   ASSERT(! rsp ||
          IS_VALID_CODE_PTR(rsp, RECSTATUSPROC));
   ASSERT(FLAGS_ARE_VALID(dwFlags, ALL_RI_FLAGS));
   ASSERT(IS_FLAG_CLEAR(dwFlags, RI_FL_ALLOW_UI) ||
          IS_VALID_HANDLE(hwndOwner, WND));
   ASSERT(IS_FLAG_CLEAR(dwFlags, RI_FL_FEEDBACK_WINDOW_VALID) ||
          IS_VALID_HANDLE(hwndProgressFeedback, WND));

   BeginMerge();

   /* Make sure the merge handler cache has been created. */

   hr = CreateRecHandlerCache();

   if (SUCCEEDED(hr))
   {
      TCHAR rgchCopySrcPath[MAX_PATH_LEN];
      PIReconcilableObject piro;

      ComposePath(rgchCopySrcPath, prnSrc->pcszFolder, prnSrc->priParent->pcszName);
      ASSERT(lstrlen(rgchCopySrcPath) < ARRAYSIZE(rgchCopySrcPath));

      hr = GetClassInterface(MhcicRecHandlerCache, pcclsidReconcilableObject,
                             &IID_IReconcilableObject, &piro);

      if (SUCCEEDED(hr))
      {
         HSTGIFACE hstgi;

         hr = GetStorageInterface((PIUnknown)piro, &hstgi);

         if (SUCCEEDED(hr))
         {
            hr = LoadFromStorage(hstgi, rgchCopySrcPath);

            if (SUCCEEDED(hr))
            {
               PIReconcileInitiator pirecinit;

               hr = IReconcileInitiator_Constructor(
                        GetTwinBriefcase((HTWIN)(prnSrc->hObjectTwin)), rsp,
                        lpCallbackData, &pirecinit);

               if (SUCCEEDED(hr))
               {
                  ULONG ulcCopyDestinations;
                  PIMoniker *ppimkCopyDestinations;

                  hr = CreateCopyDestinationMonikers(prnSrc->priParent,
                                                     &ulcCopyDestinations,
                                                     &ppimkCopyDestinations);

                  if (SUCCEEDED(hr))
                  {
                     DWORD dwOLEFlags;
                     LONG liMergedResult;

                     dwOLEFlags = (RECONCILEF_YOUMAYDOTHEUPDATES |
                                   RECONCILEF_ONLYYOUWERECHANGED);

                     if (IS_FLAG_SET(dwFlags, RI_FL_ALLOW_UI))
                        SET_FLAG(dwOLEFlags, RECONCILEF_MAYBOTHERUSER);

                     if (IS_FLAG_SET(dwFlags, RI_FL_FEEDBACK_WINDOW_VALID))
                        SET_FLAG(dwOLEFlags, RECONCILEF_FEEDBACKWINDOWVALID);

                     hr = piro->lpVtbl->Reconcile(piro, pirecinit, dwOLEFlags,
                                                  hwndOwner,
                                                  hwndProgressFeedback,
                                                  ulcCopyDestinations,
                                                  ppimkCopyDestinations,
                                                  &liMergedResult, NULL, NULL);

                     if (SUCCEEDED(hr))
                     {
                        ASSERT(liMergedResult == -1);

                        if (hr == S_FALSE)
                           /* Release storage for internal copy routine. */
                           HandsOffStorage(hstgi);
                        else
                           ASSERT(hr == REC_S_IDIDTHEUPDATES);
                     }
                     else
                        WARNING_OUT((TEXT("OLECopy(): Copy from %s failed."),
                                     rgchCopySrcPath));

                     ReleaseIUnknowns(ulcCopyDestinations,
                                      (PIUnknown *)ppimkCopyDestinations);
                  }
                  else
                     WARNING_OUT((TEXT("OLECopy(): Failed to create copy destination monikers for copy source %s."),
                                  rgchCopySrcPath));

                  EVAL(! pirecinit->lpVtbl->Release(pirecinit));
               }
               else
                  WARNING_OUT((TEXT("OLECopy(): Failed to create ReconcileInitiator for copy source %s."),
                               rgchCopySrcPath));
            }
            else
               WARNING_OUT((TEXT("OLECopy(): Failed to load copy source %s from storage."),
                            rgchCopySrcPath));

            ReleaseStorageInterface(hstgi);
         }
         else
            WARNING_OUT((TEXT("OLECopy(): Failed to get storage interface for copy source %s."),
                         rgchCopySrcPath));
      }
      else
         TRACE_OUT((TEXT("OLECopy(): Failed to get reconciliation handler class ID for replica %s."),
                    rgchCopySrcPath));
   }

   EndMerge();

   return(hr);
}