715 lines
21 KiB
C++
715 lines
21 KiB
C++
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//+--------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: rpubdf.cxx
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//
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// Contents: CRootPubDocFile implementation
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//
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// History: 26-Aug-92 DrewB Created
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//
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//---------------------------------------------------------------
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#include <dfhead.cxx>
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#pragma hdrstop
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#include <header.hxx>
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#include <rpubdf.hxx>
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#include <lock.hxx>
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#include <filelkb.hxx>
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// Priority mode lock permissions
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#define PRIORITY_PERMS DF_READ
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//+--------------------------------------------------------------
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//
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// Member: CRootPubDocFile::CRootPubDocFile, public
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//
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// Synopsis: Ctor - Initializes empty object
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//
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// History: 30-Mar-92 DrewB Created
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// 05-Sep-5 MikeHill Init _timeModifyAtCommit.
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//
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//
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//---------------------------------------------------------------
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CRootPubDocFile::CRootPubDocFile(IMalloc * const pMalloc) :
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_pMalloc(pMalloc),
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CPubDocFile(NULL, NULL, 0, ROOT_LUID, NULL, NULL, 0, NULL)
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{
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olDebugOut((DEB_ITRACE, "In CRootPubDocFile::CRootPubDocFile()\n"));
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_ulPriLock = 0;
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// Default to an invalid value.
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_timeModifyAtCommit.dwLowDateTime = _timeModifyAtCommit.dwHighDateTime = (DWORD) -1L;
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_sig = CROOTPUBDOCFILE_SIG;
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olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::CRootPubDocFile\n"));
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootPubDocFile::InitInd, private
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//
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// Synopsis: Initializes independent root
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//
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// Arguments: [plstBase] - Base
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// [snbExclude] - Limited instantiation exclusions
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// [dwStartFlags] - Startup flags
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// [df] - Transactioning flags
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//
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// Returns: Appropriate status code
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//
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// History: 11-Jun-92 DrewB Created
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//
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//---------------------------------------------------------------
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SCODE CRootPubDocFile::InitInd(ILockBytes *plstBase,
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SNBW snbExclude,
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DWORD const dwStartFlags,
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DFLAGS const df)
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{
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CFileStream *pfstCopy;
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ILockBytes *plkbCopy;
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ULONG ulLock = 0;
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CDocFile *pdfFrom, *pdfTo;
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SCODE sc;
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CMStream *pms;
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olDebugOut((DEB_ITRACE, "In CRootPubDocFile::InitInd()\n"));
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if ((sc = DllGetCommitSig(plstBase, &_sigMSF)) == STG_E_INVALIDHEADER ||
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sc == STG_E_UNKNOWN)
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{
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_sigMSF = DF_INVALIDSIGNATURE;
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}
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else if (FAILED(sc))
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{
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olErr(EH_Err,sc);
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}
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olMem(pfstCopy = new (_pMalloc) CFileStream(_pMalloc));
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olChkTo(EH_pfstCopy, pfstCopy->InitGlobal(
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RSF_CREATE | RSF_DELETEONRELEASE | RSF_SNAPSHOT |
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(dwStartFlags & RSF_ENCRYPTED),
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DF_READWRITE));
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olChkTo(EH_pfstCopy, pfstCopy->InitSnapShot());
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if (!P_PRIORITY(df) && (_pdfb->GetOrigLockFlags() & LOCK_ONLYONCE))
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olChkTo(EH_pfstCopyInit, WaitForAccess(plstBase, DF_READ, &ulLock));
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if (snbExclude)
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{
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plkbCopy = pfstCopy;
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olChkTo(EH_GetAccess, DllMultiStreamFromStream(_pMalloc,
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&pms, &plstBase,
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dwStartFlags,
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df));
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olMemTo(EH_pmsFrom, pdfFrom = new (_pMalloc)
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CDocFile(pms, SIDROOT, ROOT_LUID, BP_TO_P(CDFBasis *, _pdfb)));
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pdfFrom->AddRef();
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olChkTo(EH_pdfFrom, DllMultiStreamFromStream(_pMalloc,
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&pms, &plkbCopy,
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RSF_CREATE,
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0));
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olMemTo(EH_pmsTo, pdfTo = new (_pMalloc)
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CDocFile(pms, SIDROOT, ROOT_LUID, BP_TO_P(CDFBasis *, _pdfb)));
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pdfTo->AddRef();
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olChkTo(EH_pdfTo, pdfFrom->CopyTo(pdfTo, CDF_EXACT, snbExclude));
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olChkTo(EH_pdfTo, pms->Flush(0));
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pdfFrom->Release();
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pdfTo->Release();
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}
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else if ((dwStartFlags & RSF_TRUNCATE) == 0)
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{
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olChkTo(EH_GetAccess, CopyLStreamToLStream(plstBase, pfstCopy));
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}
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if (!P_PRIORITY(df) && ulLock != 0)
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ReleaseAccess(plstBase, DF_READ, ulLock);
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_pdfb->SetBase(pfstCopy);
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_pdfb->SetOriginal(plstBase);
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olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::InitInd\n"));
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return S_OK;
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EH_pdfTo:
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pdfTo->Release();
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goto EH_pdfFrom;
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EH_pmsTo:
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DllReleaseMultiStream(pms);
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EH_pdfFrom:
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pdfFrom->Release();
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goto EH_GetAccess;
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EH_pmsFrom:
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DllReleaseMultiStream(pms);
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EH_GetAccess:
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if (!P_PRIORITY(df) && ulLock != 0)
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ReleaseAccess(plstBase, DF_READ, ulLock);
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EH_pfstCopyInit:
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EH_pfstCopy:
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olVerSucc(pfstCopy->Release());
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EH_Err:
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootPubDocFile::InitNotInd, private
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//
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// Synopsis: Dependent root initialization
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//
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// Arguments: [plstBase] - Base
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// [snbExclude] - Limited instantiation exclusions
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// [dwStartFlags] - Startup flags
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//
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// Returns: Appropriate status code
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//
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// History: 11-Jun-92 DrewB Created
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//
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//---------------------------------------------------------------
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SCODE CRootPubDocFile::InitNotInd(ILockBytes *plstBase,
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SNBW snbExclude,
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DWORD const dwStartFlags,
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DFLAGS const df)
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{
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CDocFile *pdf;
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SCODE sc;
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CMStream *pms;
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olDebugOut((DEB_ITRACE, "In CRootPubDocFile::InitNotInd()\n"));
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if (snbExclude)
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{
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olChk(DllMultiStreamFromStream(_pMalloc,
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&pms, &plstBase, dwStartFlags,
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df));
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olMemTo(EH_pms, pdf = new(_pMalloc)
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CDocFile(pms, SIDROOT, ROOT_LUID, BP_TO_P(CDFBasis *, _pdfb)));
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pdf->AddRef();
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olChkTo(EH_pdf, PDocFile::ExcludeEntries(pdf, snbExclude));
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olChkTo(EH_pdf, pms->Flush(0));
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pdf->Release();
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}
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_pdfb->SetBase(plstBase);
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plstBase->AddRef();
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_pdfb->SetOriginal(plstBase);
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olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::InitNotInd\n"));
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return S_OK;
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EH_pdf:
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//pdf->Release() will also release the multistream.
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pdf->Release();
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return sc;
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EH_pms:
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DllReleaseMultiStream(pms);
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EH_Err:
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CRootPubDocFile::InitRoot, public
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//
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// Synopsis: Constructor
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//
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// Arguments: [plstBase] - Base LStream
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// [dwStartFlags] - How to start things
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// [df] - Transactioning flags
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// [snbExclude] - Parital instantiation list
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// [ppdfb] - Basis pointer return
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// [pulOpenLock] - Open lock index return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [ppdfb]
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// [pulOpenLock]
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//
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// History: 09-Dec-91 DrewB Created
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// 09-Jun-92 PhilipLa Added conversion support
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// 05-Sep-95 MikeHill Initialize _timeModifyAtCommit.
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// Removed duplicate call to pdfWrapped->CopyTimesFrom
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//
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//---------------------------------------------------------------
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SCODE CRootPubDocFile::InitRoot(ILockBytes *plstBase,
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DWORD dwStartFlags,
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DFLAGS const df,
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SNBW snbExclude,
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CDFBasis **ppdfb,
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ULONG *pulOpenLock,
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CGlobalContext *pgc)
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{
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CWrappedDocFile *pdfWrapped;
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CDocFile *pdfBase;
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CFileStream *pfstScratch;
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CMStream *pmsScratch;
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SCODE sc, scConv = S_OK;
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STATSTG statstg;
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olDebugOut((DEB_ITRACE, "In CRootPubDocFile::InitRoot("
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"%p, %lX, %lX, %p, %p)\n",
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plstBase, dwStartFlags, df, snbExclude, ppdfb));
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// Exclusion only works with a plain open
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olAssert(snbExclude == NULL ||
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(dwStartFlags & (RSF_CREATEFLAGS | RSF_CONVERT)) == 0);
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// ILockBytes::Stat calls are very expensive; we avoid one here
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// if possible
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HRESULT hr;
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IFileLockBytes *pfl;
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if (SUCCEEDED(plstBase->QueryInterface(IID_IFileLockBytes,
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(void**) &pfl)))
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{
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// This is our private ILockBytes implementation.
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hr = pfl->GetLocksSupported(&statstg.grfLocksSupported);
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if (pfl->IsEncryptedFile())
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dwStartFlags |= RSF_ENCRYPTED;
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pfl->Release();
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}
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else
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hr = plstBase->Stat(&statstg, STATFLAG_NONAME);
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olHChk(hr);
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*pulOpenLock = 0;
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if (statstg.grfLocksSupported & LOCK_ONLYONCE)
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olChk(GetOpen(plstBase, df, TRUE, pulOpenLock));
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if (P_PRIORITY(df) && (statstg.grfLocksSupported & LOCK_ONLYONCE))
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olChkTo(EH_GetOpen, GetAccess(plstBase, PRIORITY_PERMS, &_ulPriLock));
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olMemTo(EH_GetPriority, *ppdfb = new (_pMalloc) CDFBasis(_pMalloc, df,
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statstg.grfLocksSupported, pgc));
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_pdfb = P_TO_BP(CBasedDFBasisPtr, *ppdfb);
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if (P_INDEPENDENT(df))
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olChkTo(EH_GetPriority, InitInd(plstBase, snbExclude, dwStartFlags,
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df));
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else
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olChkTo(EH_GetPriority,
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InitNotInd(plstBase, snbExclude, dwStartFlags, df));
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olMemTo(EH_SubInit, pfstScratch = new (_pMalloc) CFileStream(_pMalloc));
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olChkTo(EH_pfstScratchInit, pfstScratch->InitGlobal(
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RSF_CREATE | RSF_DELETEONRELEASE | RSF_SCRATCH |
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(dwStartFlags & RSF_ENCRYPTED),
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DF_READWRITE));
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_pdfb->SetDirty(pfstScratch);
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CMStream *pms;
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scConv = DllMultiStreamFromStream(_pMalloc,
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&pms, _pdfb->GetPBase(),
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dwStartFlags |
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((!P_INDEPENDENT(df) &&
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P_TRANSACTED(df)) ? RSF_DELAY : 0),
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df);
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_pmsBase = P_TO_BP(CBasedMStreamPtr, pms);
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if (scConv == STG_E_INVALIDHEADER)
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scConv = STG_E_FILEALREADYEXISTS;
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olChkTo(EH_pfstScratchInit, scConv);
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if (P_NOSNAPSHOT(df))
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{
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if ((sc = DllGetCommitSig(plstBase, &_sigMSF)) == STG_E_INVALIDHEADER ||
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sc == STG_E_UNKNOWN)
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{
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_sigMSF = DF_INVALIDSIGNATURE;
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}
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else if (FAILED(sc))
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{
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olErr(EH_pmsBase,sc);
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}
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}
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olMemTo(EH_pmsBase, pdfBase = new (_pMalloc)
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CDocFile(pms, SIDROOT, ROOT_LUID, BP_TO_P(CDFBasis *, _pdfb)));
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pdfBase->AddRef();
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if (P_TRANSACTED(df))
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{
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_cTransactedDepth = 1;
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CDfName dfnNull; // auto-initialized to 0
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WCHAR wcZero = 0;
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dfnNull.Set(2, (BYTE*)&wcZero);
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// 3/11/93 - Demand scratch when opening/creating transacted
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olChkTo(EH_pdfBaseInit, _pdfb->GetDirty()->InitScratch());
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olMemTo(EH_pdfBaseInit, pdfWrapped = new(_pMalloc)
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CWrappedDocFile(&dfnNull, pdfBase->GetLuid(), df,
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BP_TO_P(CDFBasis *, _pdfb), this));
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olChkTo(EH_pdfWrapped,
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pdfWrapped->Init(pdfBase));
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AddXSMember(NULL, pdfWrapped, pdfWrapped->GetLuid());
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_pdf = P_TO_BP(CBasedDocFilePtr, (PDocFile *)pdfWrapped);
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}
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else
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_pdf = P_TO_BP(CBasedDocFilePtr, (PDocFile *)pdfBase);
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|
|
// For no-scratch transacted files, also save the Docfile's current modify
|
||
|
|
// time. This will be used on the Release (in vdtor).
|
||
|
|
|
||
|
|
if( P_NOSCRATCH( df ))
|
||
|
|
{
|
||
|
|
if( FAILED( _pmsBase->GetTime( SIDROOT, WT_MODIFICATION, &_timeModifyAtCommit )))
|
||
|
|
{
|
||
|
|
// Do not return an error, but record an error flag so that
|
||
|
|
// vdtor will not try to use it.
|
||
|
|
|
||
|
|
_timeModifyAtCommit.dwLowDateTime = _timeModifyAtCommit.dwHighDateTime = (DWORD) -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
olChkTo(EH_pfstScratchInit,
|
||
|
|
DllGetScratchMultiStream(&pmsScratch,
|
||
|
|
(df & DF_NOSCRATCH),
|
||
|
|
(ILockBytes **)_pdfb->GetPDirty(),
|
||
|
|
pms));
|
||
|
|
|
||
|
|
_pdfb->SetScratch(pmsScratch);
|
||
|
|
|
||
|
|
|
||
|
|
if (df & DF_NOSCRATCH)
|
||
|
|
{
|
||
|
|
_pdfb->SetBaseMultiStream(pms);
|
||
|
|
olChkTo(EH_pfstScratchInit, pmsScratch->InitScratch(pms, TRUE));
|
||
|
|
_pmsBase->SetScratchMS(pmsScratch);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_pdfb->SetBaseMultiStream(NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
_df = df;
|
||
|
|
|
||
|
|
|
||
|
|
// _pdfb->mxs is constructed automatically
|
||
|
|
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::InitRoot\n"));
|
||
|
|
return scConv;
|
||
|
|
|
||
|
|
|
||
|
|
EH_pdfWrapped:
|
||
|
|
delete pdfWrapped;
|
||
|
|
EH_pdfBaseInit:
|
||
|
|
pdfBase->Release();
|
||
|
|
goto EH_pfstScratchInit;
|
||
|
|
|
||
|
|
EH_pmsBase:
|
||
|
|
DllReleaseMultiStream(BP_TO_P(CMStream *, _pmsBase));
|
||
|
|
|
||
|
|
EH_pfstScratchInit:
|
||
|
|
olVerSucc(pfstScratch->Release());
|
||
|
|
_pdfb->SetDirty(NULL);
|
||
|
|
EH_SubInit:
|
||
|
|
olVerSucc(_pdfb->GetBase()->Release());
|
||
|
|
_pdfb->SetBase(NULL);
|
||
|
|
EH_GetPriority:
|
||
|
|
if (_ulPriLock > 0)
|
||
|
|
{
|
||
|
|
olAssert(P_PRIORITY(df) &&
|
||
|
|
(statstg.grfLocksSupported & LOCK_ONLYONCE));
|
||
|
|
ReleaseAccess(plstBase, PRIORITY_PERMS, _ulPriLock);
|
||
|
|
_ulPriLock = 0;
|
||
|
|
}
|
||
|
|
EH_GetOpen:
|
||
|
|
if (*pulOpenLock != 0)
|
||
|
|
{
|
||
|
|
olAssert(statstg.grfLocksSupported & LOCK_ONLYONCE);
|
||
|
|
ReleaseOpen(plstBase, df, *pulOpenLock);
|
||
|
|
*pulOpenLock = 0;
|
||
|
|
}
|
||
|
|
EH_Err:
|
||
|
|
return sc;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CRootPubDocFile::~CRootPubDocFile, public
|
||
|
|
//
|
||
|
|
// Synopsis: dtor
|
||
|
|
//
|
||
|
|
// History: 09-Dec-91 DrewB Created
|
||
|
|
// 05-Sep-95 MikeHill Revert time using _timeModifyAtCommit.
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
void CRootPubDocFile::vdtor(void)
|
||
|
|
{
|
||
|
|
olDebugOut((DEB_ITRACE, "In CRootPubDocFile::~CRootPubDocFile\n"));
|
||
|
|
|
||
|
|
olAssert(_cReferences == 0);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// If this is a no-scratch transacted file, revert the Modify timestamp
|
||
|
|
// on the Docfile to that of the last commit.
|
||
|
|
|
||
|
|
if( P_NOSCRATCH( _df )
|
||
|
|
&&
|
||
|
|
( _timeModifyAtCommit.dwLowDateTime != -1L ) // Don't use an invalid timestamp.
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// We call SetFileLockBytesTime, rather than SetTime, so that
|
||
|
|
// the underlying Docfile's timestamp is changed, but the Storage's
|
||
|
|
// timestamp in the Directory is unchanged. If we changed the
|
||
|
|
// Directory, we would have to flush the Multi-Stream.
|
||
|
|
|
||
|
|
// An error here is ignored.
|
||
|
|
|
||
|
|
_pmsBase->SetFileLockBytesTime( WT_MODIFICATION, _timeModifyAtCommit );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// We can't rely on CPubDocFile::~CPubDocFile to do this since
|
||
|
|
// we're using a virtual destructor
|
||
|
|
_sig = CROOTPUBDOCFILE_SIGDEL;
|
||
|
|
|
||
|
|
if (SUCCEEDED(CheckReverted()))
|
||
|
|
{
|
||
|
|
ChangeXs(DF_NOLUID, XSO_RELEASE);
|
||
|
|
_cilChildren.DeleteByName(NULL);
|
||
|
|
if (_ulPriLock > 0)
|
||
|
|
{
|
||
|
|
// Priority instantiation can't be independent
|
||
|
|
olAssert(!P_INDEPENDENT(_df));
|
||
|
|
ReleaseAccess(_pdfb->GetBase(), PRIORITY_PERMS, _ulPriLock);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_pdf)
|
||
|
|
_pdf->Release();
|
||
|
|
if (_pdfb)
|
||
|
|
_pdfb->vRelease();
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::~CRootPubDocFile\n"));
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CRootPubDocFile::ReleaseLocks, public
|
||
|
|
//
|
||
|
|
// Synopsis: Release any locks using the given ILockBytes
|
||
|
|
//
|
||
|
|
// Arguments: [plkb] -- ILockBytes to use for release
|
||
|
|
//
|
||
|
|
// Returns: void
|
||
|
|
//
|
||
|
|
// History: 24-Jan-95 PhilipLa Created
|
||
|
|
//
|
||
|
|
// Notes: This is a cleanup function used to resolve the many
|
||
|
|
// conflicts we get trying to release locks using an
|
||
|
|
// ILockBytes in a basis that's already been released.
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
void CRootPubDocFile::ReleaseLocks(ILockBytes *plkb)
|
||
|
|
{
|
||
|
|
olDebugOut((DEB_ITRACE, "In CRootPubDocFile::ReleaseLocks:%p()\n", this));
|
||
|
|
if (_ulPriLock > 0)
|
||
|
|
{
|
||
|
|
// Priority instantiation can't be independent
|
||
|
|
olAssert(!P_INDEPENDENT(_df));
|
||
|
|
ReleaseAccess(plkb, PRIORITY_PERMS, _ulPriLock);
|
||
|
|
_ulPriLock = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::ReleaseLocks\n"));
|
||
|
|
}
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CRootPubDocFile::Stat, public
|
||
|
|
//
|
||
|
|
// Synopsis: Fills in a stat buffer from the base LStream
|
||
|
|
//
|
||
|
|
// Arguments: [pstatstg] - Stat buffer
|
||
|
|
// [grfStatFlag] - Stat flags
|
||
|
|
//
|
||
|
|
// Returns: Appropriate status code
|
||
|
|
//
|
||
|
|
// Modifies: [pstatstg]
|
||
|
|
//
|
||
|
|
// History: 25-Mar-92 DrewB Created
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
SCODE CRootPubDocFile::Stat(STATSTGW *pstatstg, DWORD grfStatFlag)
|
||
|
|
{
|
||
|
|
SCODE sc;
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "In CRootPubDocFile::Stat(%p, %lu)\n",
|
||
|
|
pstatstg, grfStatFlag));
|
||
|
|
olChk(CheckReverted());
|
||
|
|
olHChk(_pdfb->GetOriginal()->Stat((STATSTG *)pstatstg, grfStatFlag));
|
||
|
|
pstatstg->grfMode = DFlagsToMode(_df);
|
||
|
|
olChkTo(EH_pwcsName, _pdf->GetClass(&pstatstg->clsid));
|
||
|
|
olChkTo(EH_pwcsName, _pdf->GetStateBits(&pstatstg->grfStateBits));
|
||
|
|
olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::Stat\n"));
|
||
|
|
return S_OK;
|
||
|
|
|
||
|
|
EH_pwcsName:
|
||
|
|
if (pstatstg->pwcsName)
|
||
|
|
TaskMemFree(pstatstg->pwcsName);
|
||
|
|
EH_Err:
|
||
|
|
return sc;
|
||
|
|
}
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CRootPubDocFile::SwitchToFile, public
|
||
|
|
//
|
||
|
|
// Synopsis: Switches the underlying file in the base ILockBytes
|
||
|
|
//
|
||
|
|
// Arguments: [ptcsFile] - Filename
|
||
|
|
// [plkb] - The ILockBytes to operate on
|
||
|
|
// [pulOpenLock] - On entry, the current open lock
|
||
|
|
// On exit, the new open lock
|
||
|
|
//
|
||
|
|
// Returns: Appropriate status code
|
||
|
|
//
|
||
|
|
// Modifies: [pulOpenLock]
|
||
|
|
//
|
||
|
|
// History: 08-Jan-93 DrewB Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
SCODE CRootPubDocFile::SwitchToFile(OLECHAR const *ptcsFile,
|
||
|
|
ILockBytes *plkb,
|
||
|
|
ULONG *pulOpenLock)
|
||
|
|
{
|
||
|
|
IFileLockBytes *pfl;
|
||
|
|
SCODE sc;
|
||
|
|
BYTE *pbBuffer;
|
||
|
|
ULONG cbBuffer;
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "In CRootPubDocFile::SwitchToFile:%p("
|
||
|
|
"%s, %p, %p)\n", this, ptcsFile, plkb, pulOpenLock));
|
||
|
|
|
||
|
|
// If you're transacted, nothing can be dirty in the base
|
||
|
|
// If you're not dirty, there's no point in flushing
|
||
|
|
// This is also necessary to allow SwitchToFile with a read-only source
|
||
|
|
if (!P_TRANSACTED(_df) && IsDirty())
|
||
|
|
{
|
||
|
|
// Make sure pending changes are flushed
|
||
|
|
olChk(_pmsBase->Flush(0));
|
||
|
|
|
||
|
|
// Make sure ILockBytes contents are on disk
|
||
|
|
olHChk(plkb->Flush());
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef LARGE_DOCFILE
|
||
|
|
ULONGLONG ulCommitSize;
|
||
|
|
#else
|
||
|
|
ULONG ulCommitSize;
|
||
|
|
#endif
|
||
|
|
olChk(GetCommitSize(&ulCommitSize));
|
||
|
|
|
||
|
|
// Check for FileLockBytes
|
||
|
|
olHChkTo(EH_NotFile, plkb->QueryInterface(IID_IFileLockBytes,
|
||
|
|
(void **)&pfl));
|
||
|
|
|
||
|
|
// Release old locks
|
||
|
|
if (*pulOpenLock)
|
||
|
|
ReleaseOpen(plkb, _df, *pulOpenLock);
|
||
|
|
|
||
|
|
// Ask ILockBytes to switch
|
||
|
|
GetSafeBuffer(CB_SMALLBUFFER, CB_LARGEBUFFER, &pbBuffer, &cbBuffer);
|
||
|
|
olAssert(pbBuffer != NULL);
|
||
|
|
sc = DfGetScode(pfl->SwitchToFile(
|
||
|
|
ptcsFile,
|
||
|
|
ulCommitSize,
|
||
|
|
cbBuffer,
|
||
|
|
pbBuffer));
|
||
|
|
|
||
|
|
pfl->Release();
|
||
|
|
FreeBuffer(pbBuffer);
|
||
|
|
|
||
|
|
//Record the fact that we have enough space for overwrite commit.
|
||
|
|
_wFlags = _wFlags | PF_PREPARED;
|
||
|
|
|
||
|
|
|
||
|
|
// Attempt to get new locks
|
||
|
|
// If SwitchToFile failed, the ILockBytes is the same so this will
|
||
|
|
// restore our open locks released above
|
||
|
|
// If SwitchToFile succeeded, the ILockBytes is working on the new file
|
||
|
|
// so this will get locks for that
|
||
|
|
if (*pulOpenLock)
|
||
|
|
{
|
||
|
|
ULONG ulLock;
|
||
|
|
|
||
|
|
// Don't propagate failures here since there's nothing
|
||
|
|
// that can be done
|
||
|
|
if (SUCCEEDED(GetOpen(plkb, _df, FALSE, &ulLock)))
|
||
|
|
*pulOpenLock = ulLock;
|
||
|
|
}
|
||
|
|
|
||
|
|
olDebugOut((DEB_ITRACE, "Out CRootPubDocFile::SwitchToFile\n"));
|
||
|
|
EH_Err:
|
||
|
|
return sc;
|
||
|
|
|
||
|
|
EH_NotFile:
|
||
|
|
return(STG_E_NOTFILEBASEDSTORAGE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+--------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CRootPubDocFile::Commit, public
|
||
|
|
//
|
||
|
|
// Synopsis: Commits transacted changes
|
||
|
|
//
|
||
|
|
// Arguments: [dwFlags] - DFC_*
|
||
|
|
//
|
||
|
|
// Returns: Appropriate status code
|
||
|
|
//
|
||
|
|
// History: 29-Aug-95 MikeHill Created
|
||
|
|
// 26-Apr-99 RogerCh Changed to use GetSystemTimeAsFileTime
|
||
|
|
//
|
||
|
|
//---------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
void CRootPubDocFile::CommitTimestamps(DWORD const dwFlags)
|
||
|
|
{
|
||
|
|
// For no-scratch transacted files, also save the Docfile's modify
|
||
|
|
// time. This will be used to restore the file's current time on a Release.
|
||
|
|
|
||
|
|
if( P_NOSCRATCH( _df ) && P_TRANSACTED( _df ))
|
||
|
|
{
|
||
|
|
GetSystemTimeAsFileTime(&_timeModifyAtCommit);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|