def __init__(self, redo_op, undo_op, redo_data, undo_data, redo_length,
undo_length, deriv_inum):
self.operation_type = None
self.operation_object = None
if redo_op == self.SET_BITS_IN_NONRESIDENT_BITMAP and undo_op == self.CLEAR_BITS_IN_NONRESIDENT_BITMAP:
pass
# getting the MFT entry out of the data
elif redo_op == self.INITIALIZE_FILE_RECORD_SEGMENT and undo_op == self.NO_OPERATION and redo_length > 0 and len(
redo_data) > 0:
self.operation_type = 'embedded mft'
self.operation_object = MFTEntry(inum=deriv_inum,
data=redo_data,
logfile_parse=True)
elif redo_op == self.DELETE_ATTRIBUTE and undo_op == self.CREATE_ATTRIBUTE and undo_length > 0 and len(
undo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(
undo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE and redo_length > 0 and len(
redo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(
redo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE:
pass
elif redo_op == self.DELETE_INDEX_ENTRY_ALLOCATION and undo_op == self.ADD_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.ADD_INDEX_ENTRY_ALLOCATION and undo_op == self.DELETE_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.UPDATE_NONRESIDENT_VALUE and undo_op == self.NO_OPERATION:
record = UsnRecord(redo_data, 0)
if record:
self.operation_object = record
self.operation_type = 'embedded usn'
class OperationCode:
NO_OPERATION = 0
COMPENSATION_LOG_RECORD = 1
INITIALIZE_FILE_RECORD_SEGMENT = 2
DEALLOCATE_FILE_RECORD_SEGMENT = 3
WRITE_END_OF_FILE_RECORD_SEGMENT = 4
CREATE_ATTRIBUTE = 5
DELETE_ATTRIBUTE = 6
UPDATE_RESIDENT_VALUE = 7
UPDATE_NONRESIDENT_VALUE = 8
UPDATE_MAPPING_PAIRS = 9
DELETE_DIRTY_CLUSTERS = 10
SET_NEW_ATTRIBUTE_SIZES = 11
ADD_INDEX_ENTRY_ROOT = 12
DELETE_INDEX_ENTRY_ROOT = 13
ADD_INDEX_ENTRY_ALLOCATION = 14
DELETE_INDEX_ENTRY_ALLOCATION = 15
SET_INDEX_ENTRY_VCN_ALLOCATION = 18
UPDATE_FILE_NAME_ROOT = 19
UPDATE_FILE_NAME_ALLOCATION = 20
SET_BITS_IN_NONRESIDENT_BITMAP = 21
CLEAR_BITS_IN_NONRESIDENT_BITMAP = 22
PREPARE_TRANSACTION = 25
COMMIT_TRANSACTION = 26
FORGET_TRANSACTION = 27
OPEN_NON_RESIDENT_ATTRIBUTE = 28
DIRTY_PAGE_TABLE_DUMP = 31
TRANSACTION_TABLE_DUMP = 32
UPDATE_RECORD_DATA_ROOT = 33
def __init__(self, redo_op, undo_op, redo_data, undo_data, redo_length, undo_length, deriv_inum):
self.operation_type = None
self.operation_object = None
if redo_op == self.SET_BITS_IN_NONRESIDENT_BITMAP and undo_op == self.CLEAR_BITS_IN_NONRESIDENT_BITMAP:
pass
# getting the MFT entry out of the data
elif redo_op == self.INITIALIZE_FILE_RECORD_SEGMENT and undo_op == self.NO_OPERATION and redo_length > 0 and len(redo_data) > 0:
self.operation_type = 'embedded mft'
self.operation_object = MFTEntry(inum=deriv_inum, data=redo_data, logfile_parse=True)
elif redo_op == self.DELETE_ATTRIBUTE and undo_op == self.CREATE_ATTRIBUTE and undo_length > 0 and len(undo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(undo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE and redo_length > 0 and len(redo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(redo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE:
pass
elif redo_op == self.DELETE_INDEX_ENTRY_ALLOCATION and undo_op == self.ADD_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.ADD_INDEX_ENTRY_ALLOCATION and undo_op == self.DELETE_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.UPDATE_NONRESIDENT_VALUE and undo_op == self.NO_OPERATION:
record = UsnRecord(redo_data, 0)
if record:
self.operation_object = record
self.operation_type = 'embedded usn'
def writeout_parsed(self, out):
self.operation_object.writeout_parsed(out)
def __init__(self, redo_op, undo_op, redo_data, undo_data, redo_length, undo_length, deriv_inum):
self.operation_type = None
self.operation_object = None
if redo_op == self.SET_BITS_IN_NONRESIDENT_BITMAP and undo_op == self.CLEAR_BITS_IN_NONRESIDENT_BITMAP:
pass
# getting the MFT entry out of the data
elif redo_op == self.INITIALIZE_FILE_RECORD_SEGMENT and undo_op == self.NO_OPERATION and redo_length > 0 and len(redo_data) > 0:
self.operation_type = 'embedded mft'
self.operation_object = MFTEntry(inum=deriv_inum, data=redo_data, logfile_parse=True)
elif redo_op == self.DELETE_ATTRIBUTE and undo_op == self.CREATE_ATTRIBUTE and undo_length > 0 and len(undo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(undo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE and redo_length > 0 and len(redo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(redo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE:
pass
elif redo_op == self.DELETE_INDEX_ENTRY_ALLOCATION and undo_op == self.ADD_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.ADD_INDEX_ENTRY_ALLOCATION and undo_op == self.DELETE_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.UPDATE_NONRESIDENT_VALUE and undo_op == self.NO_OPERATION:
record = UsnRecord(redo_data, 0)
if record:
self.operation_object = record
self.operation_type = 'embedded usn'
class OperationCode:
NO_OPERATION = 0
COMPENSATION_LOG_RECORD = 1
INITIALIZE_FILE_RECORD_SEGMENT = 2
DEALLOCATE_FILE_RECORD_SEGMENT = 3
WRITE_END_OF_FILE_RECORD_SEGMENT = 4
CREATE_ATTRIBUTE = 5
DELETE_ATTRIBUTE = 6
UPDATE_RESIDENT_VALUE = 7
UPDATE_NONRESIDENT_VALUE = 8
UPDATE_MAPPING_PAIRS = 9
DELETE_DIRTY_CLUSTERS = 10
SET_NEW_ATTRIBUTE_SIZES = 11
ADD_INDEX_ENTRY_ROOT = 12
DELETE_INDEX_ENTRY_ROOT = 13
ADD_INDEX_ENTRY_ALLOCATION = 14
DELETE_INDEX_ENTRY_ALLOCATION = 15
SET_INDEX_ENTRY_VCN_ALLOCATION = 18
UPDATE_FILE_NAME_ROOT = 19
UPDATE_FILE_NAME_ALLOCATION = 20
SET_BITS_IN_NONRESIDENT_BITMAP = 21
CLEAR_BITS_IN_NONRESIDENT_BITMAP = 22
PREPARE_TRANSACTION = 25
COMMIT_TRANSACTION = 26
FORGET_TRANSACTION = 27
OPEN_NON_RESIDENT_ATTRIBUTE = 28
DIRTY_PAGE_TABLE_DUMP = 31
TRANSACTION_TABLE_DUMP = 32
UPDATE_RECORD_DATA_ROOT = 33
def __init__(self, redo_op, undo_op, redo_data, undo_data, redo_length,
undo_length, deriv_inum):
self.operation_type = None
self.operation_object = None
if redo_op == self.SET_BITS_IN_NONRESIDENT_BITMAP and undo_op == self.CLEAR_BITS_IN_NONRESIDENT_BITMAP:
pass
# getting the MFT entry out of the data
elif redo_op == self.INITIALIZE_FILE_RECORD_SEGMENT and undo_op == self.NO_OPERATION and redo_length > 0 and len(
redo_data) > 0:
self.operation_type = 'embedded mft'
self.operation_object = MFTEntry(inum=deriv_inum,
data=redo_data,
logfile_parse=True)
elif redo_op == self.DELETE_ATTRIBUTE and undo_op == self.CREATE_ATTRIBUTE and undo_length > 0 and len(
undo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(
undo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE and redo_length > 0 and len(
redo_data) > 0:
self.operation_type = 'embedded mft attribute'
self.operation_object = AttributeFactory.create_attribute(
redo_data)
elif redo_op == self.CREATE_ATTRIBUTE and undo_op == self.DELETE_ATTRIBUTE:
pass
elif redo_op == self.DELETE_INDEX_ENTRY_ALLOCATION and undo_op == self.ADD_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.ADD_INDEX_ENTRY_ALLOCATION and undo_op == self.DELETE_INDEX_ENTRY_ALLOCATION:
pass
elif redo_op == self.UPDATE_NONRESIDENT_VALUE and undo_op == self.NO_OPERATION:
record = UsnRecord(redo_data, 0)
if record:
self.operation_object = record
self.operation_type = 'embedded usn'
def writeout_parsed(self, out):
self.operation_object.writeout_parsed(out)
