extern static bool _ScanLogContainers(ref CLFS_SCAN_CONTEXT pcxScan,
CLFS_SCAN_MODE eScanMode,
IntPtr pReserved);
public static bool ScanLogContainersSyncClose(
ref CLFS_SCAN_CONTEXT pcxScan)
{
#pragma warning suppress 56523
bool ret = _ScanLogContainers(ref pcxScan,
CLFS_SCAN_MODE.CLFS_SCAN_CLOSE,
IntPtr.Zero);
if (!ret)
{
// The CLFS API was called in close handle mode. If it fails, either CLFS has a bug or IO.Log does
// Either way, it is not safe to continue processing.
DiagnosticUtility.FailFast("Closing scan context cannot fail");
}
return true;
}
extern static bool _CreateLogContainerScanContext(
SafeFileHandle hLog,
uint cFromContainer,
uint cContainers,
CLFS_SCAN_MODE eScanMode,
ref CLFS_SCAN_CONTEXT pcxScan,
NativeOverlapped* pOverlapped);
public static void CreateLogContainerScanContextSync(
SafeFileHandle hLog,
uint cFromContainer,
uint cContainers,
CLFS_SCAN_MODE eScanMode,
ref CLFS_SCAN_CONTEXT pcxScan)
{
if (!_CreateLogContainerScanContext(hLog,
cFromContainer,
cContainers,
eScanMode,
ref pcxScan,
null))
{
uint errorCode = (uint)Marshal.GetLastWin32Error();
if (errorCode == Error.ERROR_IO_PENDING)
{
// The CLFS API was called with a NULL overlapped, so the operation should not be asynchronous.
// This means that CLFS has a bug, so it is not safe to continue processing.
DiagnosticUtility.FailFast("No async in CreateLCScanSync");
}
switch (errorCode)
{
case Error.ERROR_INVALID_HANDLE:
case Error.ERROR_OUTOFMEMORY:
case Error.ERROR_ACCESS_DENIED:
case Error.ERROR_INVALID_PARAMETER:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForKnownCode(errorCode));
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.ExceptionForUnknownCode(errorCode));
}
}
}
