def _ReadTraceV3File(self, tracev3_path, output_writer):
'''Reads a tracev3 file.
Args:
tracev3_path (str): path of the tracev3 file.
output_writer (OutputWriter): output writer.
Returns:
TraceV3: tracev3 file.
'''
file_object = virtual_file.VirtualFile(tracev3_path, 'traceV3')
trace_file = tracev3_file.TraceV3(self._vfs, file_object,
self._ts_list,
self._uuidtext_folder_path, None,
self._caches)
# TODO: remove log_list_process_func callback from TraceV3.Parse()
self._output_writer = output_writer
trace_file.Parse(log_list_process_func=self._ProcessLogsList)
# trace_file.Parse(log_list_process_func=self.dumpLogToStdout)
# save the uuid file into self._caches
if trace_file._catalog is not None:
for f in trace_file._catalog.FileObjects:
s = f._file.file_type if f._file is not None else ''
if s == 'Uuidtext':
key = f.Uuid.hex.upper()
if key not in self._caches.cached_uuidtext:
self._caches.cached_uuidtext[key] = f
pass
elif s == 'Dsc':
key = f._file.filename
if key not in self._caches.cached_dsc:
self._caches.cached_dsc[key] = f
else:
pass
def _ReadTraceV3File(self, tracev3_path, output_writer):
'''Reads a tracev3 file.
Args:
tracev3_path (str): path of the tracev3 file.
output_writer (OutputWriter): output writer.
Returns:
TraceV3: tracev3 file.
'''
file_object = virtual_file.VirtualFile(tracev3_path, 'traceV3')
trace_file = tracev3_file.TraceV3(
self._vfs, file_object, self._ts_list, self._uuidtext_folder_path,
self._caches)
# TODO: remove log_list_process_func callback from TraceV3.Parse()
self._output_writer = output_writer
trace_file.Parse(log_list_process_func=self._ProcessLogsList)
def _CreateTestFile(self):
'''Creates a test tracev3 file.
Returns:
tuple[VirtualFile, TraceV3]: virtual and tracev3 file objects for
testing.
'''
file_system = virtual_file_system.VirtualFileSystem(
virtual_file.VirtualFile)
path = self._GetTestFilePath(['0000000000000030.tracev3'])
file_entry = virtual_file.VirtualFile(path, filetype='uuidtext')
timesync = self._CreateTestTimesync()
timesync_list = [timesync]
uuidtext_path = self._GetTestFilePath([])
test_file = tracev3_file.TraceV3(file_system, file_entry,
timesync_list, uuidtext_path)
return file_entry, test_file