def truncate(self, filepath, length, fh=None):
if fh is not None:
try:
opened_file = OpenedManager.get_instance().get_by_fh(fh)
except:
_logger.exception("Could not retrieve OpenedFile for handle "
"with ID (%d) (truncate)." % (fh))
raise FuseOSError(EIO)
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
try:
entry = cache.get(entry_id)
except:
_logger.exception("Could not fetch normalized entry with "
"ID [%s] for truncate with FH." % (entry_id))
raise
else:
(entry, path, filename) = get_entry_or_raise(filepath)
try:
entry = drive_proxy('truncate', normalized_entry=entry)
except:
_logger.exception("Could not truncate entry [%s]." % (entry))
raise FuseOSError(EIO)
def truncate(self, filepath, length, fh=None):
if fh is not None:
om = gdrivefs.gdfs.opened_file.get_om()
try:
opened_file = om.get_by_fh(fh)
except:
_logger.exception("Could not retrieve OpenedFile for handle " "with ID (%d) (truncate).", fh)
raise FuseOSError(EIO)
_logger.debug("Truncating and clearing FH: %s", opened_file)
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
try:
entry = cache.get(entry_id)
except:
_logger.exception("Could not fetch normalized entry with ID " "[%s] for truncate with FH.", entry_id)
raise
opened_file.truncate(length)
else:
(entry, path, filename) = get_entry_or_raise(filepath)
gd = get_gdrive()
try:
entry = gd.truncate(entry)
except:
_logger.exception("Could not truncate entry [%s].", entry)
raise FuseOSError(EIO)
def truncate(self, filepath, length, fh=None):
if fh is not None:
om = gdrivefs.gdfs.opened_file.get_om()
try:
opened_file = om.get_by_fh(fh)
except:
_logger.exception(
"Could not retrieve OpenedFile for handle "
"with ID (%d) (truncate).", fh)
raise FuseOSError(EIO)
_logger.debug("Truncating and clearing FH: %s", opened_file)
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
entry = cache.get(entry_id)
opened_file.truncate(length)
else:
(entry, path, filename) = get_entry_or_raise(filepath)
gd = get_gdrive()
try:
entry = gd.truncate(entry)
except:
_logger.exception("Could not truncate entry [%s].", entry)
raise FuseOSError(EIO)
def truncate(self, filepath, length, fh=None):
if fh is not None:
try:
opened_file = OpenedManager.get_instance().get_by_fh(fh)
except:
_logger.exception("Could not retrieve OpenedFile for handle "
"with ID (%d) (truncate)." % (fh))
raise FuseOSError(EIO)
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
try:
entry = cache.get(entry_id)
except:
_logger.exception("Could not fetch normalized entry with "
"ID [%s] for truncate with FH." %
(entry_id))
raise
else:
(entry, path, filename) = get_entry_or_raise(filepath)
try:
entry = drive_proxy('truncate', normalized_entry=entry)
except:
_logger.exception("Could not truncate entry [%s]." % (entry))
raise FuseOSError(EIO)
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
self.__log = logging.getLogger().getChild('OpenFile')
self.__log.info("Opened-file object created for entry-ID [%s] and "
"path (%s)." % (entry_id, path))
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.reset_state()
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
self.__log = logging.getLogger().getChild('OpenFile')
self.__log.info("Opened-file object created for entry-ID [%s] and "
"path (%s)." % (entry_id, path))
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.reset_state()
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
self.__log = logging.getLogger().getChild('OpenFile')
self.__log.info("Opened-file object created for entry-ID [%s] and "
"path (%s)." % (entry_id, path))
# TODO: Refactor this to being all obfuscated property names.
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.__buffer = None
self.__is_loaded = False
self.__is_dirty = False
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
self.__log = logging.getLogger().getChild('OpenFile')
self.__log.info("Opened-file object created for entry-ID [%s] and "
"path (%s)." % (entry_id, path))
# TODO: Refactor this to being all obfuscated property names.
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.__buffer = None
self.__is_loaded = False
self.__is_dirty = False
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
# TODO(dustin): Until we can gracely orchestrate concurrent handles on the same
# entry, we can't allow it. This is referenced, just below.
with _OPENED_ENTRIES_LOCK:
assert entry_id not in _OPENED_ENTRIES, \
"Access to the same file from multiple file-handles is "\
"not currently supported."
_OPENED_ENTRIES.add(entry_id)
_LOGGER.info(
"Opened-file object created for entry-ID [%s] and path "
"(%s).", entry_id, path)
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.__is_loaded = False
self.__is_dirty = False
# Use the monotonically incremented `opened_count` to produce a unique
# temporary filepath.
om = get_om()
self.__temp_filepath = \
os.path.join(om.temp_path, str(om.opened_count))
self.__fh = None
# We need to load this up-front. Since we can't do partial updates, we
# have to keep one whole, local copy, apply updates to it, and then
# post it on flush.
# TODO(dustin): Until we finish working on the download-agent so that we can
# have a way to orchestrate concurrent handles on the same file,
# we'll just have to accept the fact that concurrent access will
# require multiple downloads of the same file to multiple
# temporary files (one for each).
self.__load_base_from_remote()
def __init__(self, entry_id, path, filename, is_hidden, mime_type):
# TODO(dustin): Until we can gracely orchestrate concurrent handles on the same
# entry, we can't allow it. This is referenced, just below.
with _OPENED_ENTRIES_LOCK:
assert entry_id not in _OPENED_ENTRIES, \
"Access to the same file from multiple file-handles is "\
"not currently supported."
_OPENED_ENTRIES.add(entry_id)
_LOGGER.info("Opened-file object created for entry-ID [%s] and path "
"(%s).", entry_id, path)
self.__entry_id = entry_id
self.__path = path
self.__filename = filename
self.__is_hidden = is_hidden
self.__mime_type = mime_type
self.__cache = EntryCache.get_instance().cache
self.__is_loaded = False
self.__is_dirty = False
# Use the monotonically incremented `opened_count` to produce a unique
# temporary filepath.
om = get_om()
self.__temp_filepath = \
os.path.join(om.temp_path, str(om.opened_count))
self.__fh = None
# We need to load this up-front. Since we can't do partial updates, we
# have to keep one whole, local copy, apply updates to it, and then
# post it on flush.
# TODO(dustin): Until we finish working on the download-agent so that we can
# have a way to orchestrate concurrent handles on the same file,
# we'll just have to accept the fact that concurrent access will
# require multiple downloads of the same file to multiple
# temporary files (one for each).
self.__load_base_from_remote()
def truncate(self, filepath, length, fh=None):
self.__log.debug("Truncating file-path [%s] with FH [%s]." %
(filepath, fh))
if fh is not None:
self.__log.debug("Doing truncate by FH (%d)." % (fh))
try:
opened_file = OpenedManager.get_instance().get_by_fh(fh)
except:
self.__log.exception(
"Could not retrieve OpenedFile for handle "
"with ID (%d) (truncate)." % (fh))
raise FuseOSError(EIO)
self.__log.debug("Truncating and clearing FH: %s" % (opened_file))
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
try:
entry = cache.get(entry_id)
except:
self.__log.exception("Could not fetch normalized entry with "
"ID [%s] for truncate with FH." %
(entry_id))
raise
else:
(entry, path, filename) = self.__get_entry_or_raise(filepath)
self.__log.debug("Sending truncate request for [%s]." % (entry))
try:
entry = drive_proxy('truncate', normalized_entry=entry)
except:
self.__log.exception("Could not truncate entry [%s]." % (entry))
raise FuseOSError(EIO)
def truncate(self, filepath, length, fh=None):
self.__log.debug("Truncating file-path [%s] with FH [%s]." %
(filepath, fh))
if fh is not None:
self.__log.debug("Doing truncate by FH (%d)." % (fh))
try:
opened_file = OpenedManager.get_instance().get_by_fh(fh)
except:
self.__log.exception("Could not retrieve OpenedFile for handle "
"with ID (%d) (truncate)." % (fh))
raise FuseOSError(EIO)
self.__log.debug("Truncating and clearing FH: %s" % (opened_file))
opened_file.reset_state()
entry_id = opened_file.entry_id
cache = EntryCache.get_instance().cache
try:
entry = cache.get(entry_id)
except:
self.__log.exception("Could not fetch normalized entry with "
"ID [%s] for truncate with FH." %
(entry_id))
raise
else:
(entry, path, filename) = self.__get_entry_or_raise(filepath)
self.__log.debug("Sending truncate request for [%s]." % (entry))
try:
entry = drive_proxy('truncate', normalized_entry=entry)
except:
self.__log.exception("Could not truncate entry [%s]." % (entry))
raise FuseOSError(EIO)
def get_by_id(_id):
cache = EntryCache.get_instance().cache
return cache.get(_id)
def get_by_id(_id):
cache = EntryCache.get_instance().cache
return cache.get(_id)