MSICA/MSICALib/OpFile.cpp
Simon Rozman 7d2eeff429
2015-02-24 11:28:48 +00:00

111 lines
3.9 KiB
C++

/*
MSICA, Copyright (C) Amebis, Slovenia
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details, included in the file
LICENSE.rtf which you should have received along with this program.
If you did not receive a copy of the GNU General Public License,
write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.
Amebis can be contacted at http://www.amebis.si
*/
#include "stdafx.h"
namespace MSICA {
////////////////////////////////////////////////////////////////////////////
// COpFileDelete
////////////////////////////////////////////////////////////////////////////
COpFileDelete::COpFileDelete(LPCWSTR pszFileName, int iTicks) :
COpTypeSingleString(pszFileName, iTicks)
{
}
HRESULT COpFileDelete::Execute(CSession *pSession)
{
DWORD dwError;
if (pSession->m_bRollbackEnabled) {
ATL::CAtlStringW sBackupName;
UINT uiCount = 0;
do {
// Rename the file to make a backup.
sBackupName.Format(L"%ls (orig %u)", (LPCWSTR)m_sValue, ++uiCount);
dwError = ::MoveFileW(m_sValue, sBackupName) ? NO_ERROR : ::GetLastError();
} while (dwError == ERROR_ALREADY_EXISTS);
if (dwError == NO_ERROR) {
// Order rollback action to restore from backup copy.
pSession->m_olRollback.AddHead(new COpFileMove(sBackupName, m_sValue));
// Order commit action to delete backup copy.
pSession->m_olCommit.AddTail(new COpFileDelete(sBackupName));
}
} else {
// Delete the file.
dwError = ::DeleteFileW(m_sValue) ? NO_ERROR : ::GetLastError();
}
if (dwError == NO_ERROR || dwError == ERROR_FILE_NOT_FOUND)
return S_OK;
else {
PMSIHANDLE hRecordProg = ::MsiCreateRecord(3);
::MsiRecordSetInteger(hRecordProg, 1, ERROR_INSTALL_FILE_DELETE);
::MsiRecordSetStringW(hRecordProg, 2, m_sValue );
::MsiRecordSetInteger(hRecordProg, 3, dwError );
::MsiProcessMessage(pSession->m_hInstall, INSTALLMESSAGE_ERROR, hRecordProg);
return AtlHresultFromWin32(dwError);
}
}
////////////////////////////////////////////////////////////////////////////
// COpFileMove
////////////////////////////////////////////////////////////////////////////
COpFileMove::COpFileMove(LPCWSTR pszFileSrc, LPCWSTR pszFileDst, int iTicks) :
COpTypeSrcDstString(pszFileSrc, pszFileDst, iTicks)
{
}
HRESULT COpFileMove::Execute(CSession *pSession)
{
DWORD dwError;
// Move the file.
dwError = ::MoveFileW(m_sValue1, m_sValue2) ? NO_ERROR : ::GetLastError();
if (dwError == NO_ERROR) {
if (pSession->m_bRollbackEnabled) {
// Order rollback action to move it back.
pSession->m_olRollback.AddHead(new COpFileMove(m_sValue2, m_sValue1));
}
return S_OK;
} else {
PMSIHANDLE hRecordProg = ::MsiCreateRecord(4);
::MsiRecordSetInteger(hRecordProg, 1, ERROR_INSTALL_FILE_MOVE);
::MsiRecordSetStringW(hRecordProg, 2, m_sValue1 );
::MsiRecordSetStringW(hRecordProg, 3, m_sValue2 );
::MsiRecordSetInteger(hRecordProg, 4, dwError );
::MsiProcessMessage(pSession->m_hInstall, INSTALLMESSAGE_ERROR, hRecordProg);
return AtlHresultFromWin32(dwError);
}
}
} // namespace MSICA