private void FileInfo_Query_FileIdInformation(FileType fileType)
{
BaseTestSite.Assume.AreNotEqual(FileSystem.FAT32, fsaAdapter.FileSystem, "File system should not be FAT32.");
BaseTestSite.Log.Add(LogEntryKind.TestStep, "Test case steps:");
MessageStatus status;
BaseTestSite.Log.Add(LogEntryKind.TestStep, "1. Create a file.");
status = this.fsaAdapter.CreateFile(fileType);
BaseTestSite.Assert.AreEqual(MessageStatus.SUCCESS, status, "Create should succeed.");
BaseTestSite.Log.Add(LogEntryKind.TestStep, "2. Query FileIdInformation.");
byte[] outputBuffer;
long byteCount;
status = this.fsaAdapter.QueryFileInformation(FileInfoClass.FileIdInformation, this.fsaAdapter.transBufferSize, out byteCount, out outputBuffer);
BaseTestSite.Assert.AreEqual(MessageStatus.SUCCESS, status, "Query FileIdInformation should succeed.");
FileIdInformation fileIdInfo = TypeMarshal.ToStruct <FileIdInformation>(outputBuffer);
BaseTestSite.Log.Add(LogEntryKind.TestStep, "3. Get FileId by sending FSCTL_READ_FILE_USN_DATA to server.");
status = this.fsaAdapter.FsCtlReadFileUSNData(3, 3, out outputBuffer); // Only version 3 USN record contains 128 bit FileReferenceNumber;
BaseTestSite.Assert.AreEqual(MessageStatus.SUCCESS, status, "FSCTL_READ_FILE_USN_DATA should succeed.");
USN_RECORD_V3 record = TypeMarshal.ToStruct <USN_RECORD_V3>(outputBuffer);
System.Guid fileId = record.FileReferenceNumber;
BaseTestSite.Assert.AreEqual(fileId, fileIdInfo.FileId, "FileId when querying FileIdInformation should be the same with FileReferenceNumber when sending FSCTL_READ_FILE_USN_DATA.");
// We can get the 64-bit VolumeSerialNumber only by sending FSCTL_GET_NTFS_VOLUME_DATA or FSCTL_GET_REFS_VOLUME_DATA.
// For other file system, just ignore this check.
if (this.fsaAdapter.FileSystem == FileSystem.NTFS)
{
BaseTestSite.Log.Add(LogEntryKind.TestStep, "4. Get VolumeSerialNumber by sending FSCTL_GET_NTFS_VOLUME_DATA to server.");
status = this.fsaAdapter.FsCtlForEasyRequest(FsControlCommand.FSCTL_GET_NTFS_VOLUME_DATA, out outputBuffer);
BaseTestSite.Assert.AreEqual(MessageStatus.SUCCESS, status, "FSCTL_GET_NTFS_VOLUME_DATA should succeed.");
NTFS_VOLUME_DATA_BUFFER ntfsVolumeData = TypeMarshal.ToStruct <NTFS_VOLUME_DATA_BUFFER>(outputBuffer);
long volumeId = ntfsVolumeData.VolumeSerialNumber;
BaseTestSite.Assert.AreEqual(volumeId, fileIdInfo.VolumeSerialNumber,
"VolumeSerialNumber when querying FileIdInformation should be the same with VolumeSerialNumber when sending FSCTL_GET_NTFS_VOLUME_DATA.");
}
else if (this.fsaAdapter.FileSystem == FileSystem.REFS)
{
BaseTestSite.Log.Add(LogEntryKind.TestStep, "4. Get VolumeSerialNumber by sending FSCTL_GET_REFS_VOLUME_DATA to server.");
status = this.fsaAdapter.FsCtlForEasyRequest(FsControlCommand.FSCTL_GET_REFS_VOLUME_DATA, out outputBuffer);
BaseTestSite.Assert.AreEqual(MessageStatus.SUCCESS, status, "FSCTL_GET_REFS_VOLUME_DATA should succeed.");
REFS_VOLUME_DATA_BUFFER refsVolumeData = TypeMarshal.ToStruct <REFS_VOLUME_DATA_BUFFER>(outputBuffer);
long volumeId = refsVolumeData.VolumeSerialNumber;
BaseTestSite.Assert.AreEqual(volumeId, fileIdInfo.VolumeSerialNumber,
"VolumeSerialNumber when querying FileIdInformation should be the same with VolumeSerialNumber when sending FSCTL_GET_REFS_VOLUME_DATA.");
}
}
private static IUSN_RECORD ParseUsnRecord(UnmanagedMemory mem, int dataOffset, out int length)
{
// Get record length
length = Marshal.ReadInt32(mem, dataOffset);
int majorVersion = Marshal.ReadByte(mem, dataOffset + sizeof(int)) + (Marshal.ReadByte(mem, dataOffset + sizeof(int) + 1) << 8);
if (length <= 0)
{
// No more records
return(null);
}
// Copy out record subset
switch (majorVersion)
{
case 2:
USN_RECORD_V2 recordv2 = (USN_RECORD_V2)Marshal.PtrToStructure(mem.Handle + dataOffset, typeof(USN_RECORD_V2));
// Parse string manually, as we cannot rely on the string to be null-terminated.
recordv2.FileName = Marshal.PtrToStringUni(mem.Handle + dataOffset + recordv2.FileNameOffset, recordv2.FileNameLength / 2);
return(recordv2);
case 3:
USN_RECORD_V3 recordv3 = (USN_RECORD_V3)Marshal.PtrToStructure(mem.Handle + dataOffset, typeof(USN_RECORD_V3));
// Parse string manually, as we cannot rely on the string to be null-terminated.
recordv3.FileName = Marshal.PtrToStringUni(mem.Handle + dataOffset + recordv3.FileNameOffset, recordv3.FileNameLength / 2);
return(recordv3);
default:
// Ignore
Debugger.Break();
break;
}
return(null);
}
