private static QueryUsnJournalData QueryJournal(SafeFileHandle volumeHandle)
{
QueryUsnJournalResult queryResult = FileUtilities.TryQueryUsnJournal(volumeHandle);
XAssert.AreEqual(
QueryUsnJournalStatus.Success,
queryResult.Status,
"Failed to query the volume's change journal. Is it enabled on the test output directory's volume?");
XAssert.IsTrue(queryResult.Succeeded);
return(queryResult.Data);
}
private QueryUsnJournalData QueryJournal(SafeFileHandle volumeHandle)
{
QueryUsnJournalResult queryResult = FileUtilities.TryQueryUsnJournal(volumeHandle);
XAssert.AreEqual(
QueryUsnJournalStatus.Success,
queryResult.Status,
"Failed to query the volume's change journal. Is it enabled on volume of the test temporary directory '" + TemporaryDirectory + "'?");
XAssert.IsTrue(queryResult.Succeeded);
return(queryResult.Data);
}
/// <inheritdoc />
public MaybeResponse <QueryUsnJournalResult> QueryJournal(QueryJournalRequest request)
{
Contract.Assert(request.VolumeGuidPath.IsValid);
SafeFileHandle volumeHandle;
OpenFileResult volumeOpenResult = OpenVolumeHandle(request.VolumeGuidPath, out volumeHandle);
using (volumeHandle)
{
if (!volumeOpenResult.Succeeded)
{
string message = I($"Failed to open a volume handle for the volume '{request.VolumeGuidPath.Path}': Status: {volumeOpenResult.Status.ToString()} | Error code: {volumeOpenResult.NativeErrorCode}");
return(new MaybeResponse <QueryUsnJournalResult>(
new ErrorResponse(ErrorStatus.FailedToOpenVolumeHandle, message)));
}
QueryUsnJournalResult result = FileUtilities.TryQueryUsnJournal(volumeHandle);
return(new MaybeResponse <QueryUsnJournalResult>(result));
}
}
public void QueryJournal()
{
WithVolumeHandle(
volumeHandle =>
{
using (FileStream file = File.Create(GetFullPath("File")))
{
QueryUsnJournalResult queryResult = FileUtilities.TryQueryUsnJournal(volumeHandle);
XAssert.AreEqual(
QueryUsnJournalStatus.Success,
queryResult.Status,
"Failed to query the volume's change journal. Is it enabled on the test output directory's volume?");
XAssert.IsTrue(queryResult.Succeeded);
Usn usn = FileUtilities.ReadFileUsnByHandle(file.SafeFileHandle).Value.Usn;
XAssert.IsTrue(queryResult.Data.LowestValidUsn <= usn);
XAssert.IsTrue(queryResult.Data.NextUsn > usn);
}
});
}
/// <summary>
/// Writes the data for a USN journal metadata query (though it may have returned an error)>
/// </summary>
public static void WriteQueryUsnJournalResult(this ChangeJournalServiceProtocolWriter writer, QueryUsnJournalResult result)
{
Contract.Requires(writer != null);
Contract.Requires(result != null);
writer.Write((int)result.Status);
if (result.Succeeded)
{
writer.WriteUsnJournalData(result.Data);
}
}
