int
CXMLDb::LoadBackupFile(void)
{
if(m_BackupFile)
return true;
m_BackupFile = new XMLDocument();
if(m_BackupFile->LoadFile(m_FileName.c_str()) != XML_NO_ERROR)
{
if(m_BackupFile->ErrorID() == XML_ERROR_FILE_NOT_FOUND)
return CreateBackupFile();
else
{
syslog(LOG_ERR, "Error Opening backup.xml: %d\n",
m_BackupFile->ErrorID());
delete m_BackupFile;
m_BackupFile = 0;
return false;
}
}
return true;
}
bool SafeCopyFile(const CString &src, const CString &dst, bool bBackup)
{
HANDLE hFile = INVALID_HANDLE_VALUE;
DWORD dwSize = 0;
bool bRet = true;
hFile = ::CreateFile((LPCTSTR)src,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile == INVALID_HANDLE_VALUE) {
// theLog("!!!Fail to open %s while copying to %s (Error %d)\n", src, dst, GetLastError());
bRet = false;
return bRet;
}
dwSize = ::GetFileSize(hFile, NULL);
CloseHandle(hFile);
if (bBackup)
CreateBackupFile(dst);
CString dir = dst;
::GetParentDirectory(dir);
::CreateDirectoryPath(dir);
if (::CopyFile(src, dst, FALSE) == 0) {
// There seems to be a weird bug with remote drives.
// Try to guess a bit more about the failure.
DWORD dwErrCode = GetLastError();
if (dwErrCode != ERROR_ACCESS_DENIED) {
// theLog("Error: Fail to copy %s to %s (Error %lu)\n", src, dst, dwErrCode);
bRet = false;
}
else {
hFile = ::CreateFile((LPCTSTR)dst,
GENERIC_READ|GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
CloseHandle(hFile);
if (::CopyFile(src, dst, FALSE) == 0) {
dwErrCode = GetLastError();
// theLog("!!!Fail to copy %s to %s (Error %lu)\n", src, dst, dwErrCode);
bRet = false;
}
else {
// theLog("Copy %s to %s\n", src, dst);
}
}
}
else {
// theLog("Copy %s to %s\n", src, dst);
}
if (bRet && ::SetFileAttributes(dst, FILE_ATTRIBUTE_NORMAL) == 0) {
// theLog("!!!Fail to reset file attributes for %s (Error %lu)\n", dst, GetLastError());
bRet = false;
}
// DoProgress(dwSize);
return bRet;
}
