def mkdir(self, path, mode):
"""
Create folder in the database.
path {string}: diretory path
mode {string}: directory permissions
"""
try:
(folder_path, name) = _path_split(path)
folder_path = _normalize_path(folder_path)
path = _normalize_path(path)
now = get_current_date()
logger.info('create new dir %s' % path)
folder = dbutils.get_folder(self.db, path)
if folder is not None:
logger.info('folder already exists %s' % path)
return -errno.EEXIST
else:
self.db.create({
"name": name,
"path": folder_path,
"docType": "Folder",
'creationDate': now,
'lastModification': now,
})
self._update_parent_folder(folder_path)
return 0
except Exception as e:
logger.exception(e)
return -errno.EEXIST
def get_st(self, path):
self.receive()
if path in self.cache['st']:
logger.info('st : cache')
return self.cache['st'][path]
else:
try:
st = CouchStat()
# Path is root
if path is "/":
st.st_mode = stat.S_IFDIR | 0o775
st.st_nlink = 2
self.cache['st'][path] = st
return st
else:
# Or path is a folder
folder = dbutils.get_folder(self.db, path)
if folder is not None:
st.st_mode = stat.S_IFDIR | 0o775
st.st_nlink = 2
if 'lastModification' in folder:
st.st_atime = get_date(folder['lastModification'])
st.st_ctime = st.st_atime
st.st_mtime = st.st_atime
self.cache['st'][path] = st
return st
else:
# Or path is a file
file_doc = dbutils.get_file(self.db, path)
if file_doc is not None:
st.st_mode = stat.S_IFREG | 0o664
st.st_nlink = 1
# TODO: if size is not set, get the binary
# and save the information.
st.st_size = file_doc.get('size', 4096)
if 'lastModification' in file_doc:
st.st_atime = \
get_date(file_doc['lastModification'])
st.st_ctime = st.st_atime
st.st_mtime = st.st_atime
self.cache['st'][path] = st
return st
else:
print 'File does not exist: %s' % path
logger.info('file_not_fount')
return st
self.send()
except Exception as e:
logger.exception(e)
return e
def getattr(self, path):
"""
Return file descriptor for given_path. Useful for 'ls -la' command like.
"""
try:
logger.debug('getattr %s' % path)
st = CouchStat()
# Path is root
if path is "/":
st.st_mode = stat.S_IFDIR | 0o775
st.st_nlink = 2
return st
else:
# Or path is a folder
folder = dbutils.get_folder(self.db, path)
if folder is not None:
st.st_mode = stat.S_IFDIR | 0o775
st.st_nlink = 2
if 'lastModification' in folder:
st.st_atime = get_date(folder['lastModification'])
st.st_ctime = st.st_atime
st.st_mtime = st.st_atime
return st
else:
# Or path is a file
file_doc = dbutils.get_file(self.db, path)
if file_doc is not None:
st.st_mode = stat.S_IFREG | 0o664
st.st_nlink = 1
# TODO: if size is not set, get the binary
# and save the information.
st.st_size = file_doc.get('size', 4096)
if 'lastModification' in file_doc:
st.st_atime = \
get_date(file_doc['lastModification'])
st.st_ctime = st.st_atime
st.st_mtime = st.st_atime
return st
else:
print 'File does not exist: %s' % path
return -errno.ENOENT
return st
except Exception as e:
logger.exception(e)
return -errno.ENOENT
def _update_parent_folder(self, parent_folder):
"""
Update parent folder
parent_folder {string}: parent folder path
When a file or a folder is renamed/created/removed, last modification date
of parent folder should be updated
"""
folder = dbutils.get_folder(self.db, parent_folder)
if folder is not None:
folder['lastModification'] = get_current_date()
self.db.save(folder)
def _get_attr_from_db(self, path, isfile=None):
'''
Build fuse file attribute from data located in database. Check if path
corresponds to a folder first.
'''
st = CouchStat()
path = fusepath.normalize_path(path)
if isfile is None:
folder = dbutils.get_folder(self.db, path)
if folder is not None:
st.set_folder(folder)
self.attr_cache.add(path, st)
return st
else:
file_doc = dbutils.get_file(self.db, path)
if file_doc is not None:
st.set_file(file_doc)
self.attr_cache.add(path, st)
return st
else:
return None
elif isfile:
file_doc = dbutils.get_file(self.db, path)
if file_doc is not None:
st.set_file(file_doc)
self.attr_cache.add(path, st)
return st
else:
return None
else:
folder = dbutils.get_folder(self.db, path)
if folder is not None:
st.set_folder(folder)
self.attr_cache.add(path, st)
return st
else:
return None
def rmdir(self, path):
"""
Delete folder from database.
path {string}: diretory path
"""
try:
path = _normalize_path(path)
folder = dbutils.get_folder(self.db, path)
self.db.delete(self.db[folder['_id']])
return 0
except Exception as e:
logger.exception(e)
return -errno.ENOENT
def rmdir(self, path):
"""
Delete folder from database and clean caches accordingly.
path {string}: folder path
"""
logger.info('rmdir %s' % path)
try:
path = fusepath.normalize_path(path)
folder = dbutils.get_folder(self.db, path)
dbutils.delete_folder(self.db, folder)
self._clean_cache(path)
return 0
except Exception as e:
logger.exception(e)
return -errno.ENOENT
def rmdir(self, path):
"""
Delete folder from database.
path {string}: diretory path
"""
try:
path = _normalize_path(path)
logger.info('rmdir %s' % path)
folder = dbutils.get_folder(self.db, path)
self.db.delete(self.db[folder['_id']])
self.dirs.pop(path, None)
self.descriptors.pop(path, None)
return 0
except Exception, e:
logger.exception(e)
return -errno.ENOENT
def mkdir(self, path, mode):
"""
Create folder in current FS add a folder in the database and update
cache accordingly.
path {string}: diretory path
mode {string}: directory permissions
"""
logger.info('mkdir %s' % path)
try:
path = fusepath.normalize_path(path)
parent_path, name = fusepath.split(path)
now = fusepath.get_current_date()
folder = dbutils.get_folder(self.db, path)
# Check folder existence.
if folder is not None:
logger.info('folder already exists %s' % path)
return -errno.EEXIST
# Create folder.
else:
logger.info('folder creation... %s %s' % (parent_path, name))
folder = dbutils.create_folder(self.db, {
"name": name,
"path": parent_path,
"docType": "Folder",
'creationDate': now,
'lastModification': now,
})
self._update_parent_folder(parent_path)
self._add_to_cache(path)
return 0
except Exception as e:
logger.exception(e)
return -errno.EEXIST
def rename(self, pathfrom, pathto, root=True):
"""
Rename file and subfiles (if it's a folder) in device.
"""
logger.info("rename %s -> %s: " % (pathfrom, pathto))
try:
pathfrom = fusepath.normalize_path(pathfrom)
pathto = fusepath.normalize_path(pathto)
file_doc = dbutils.get_file(self.db, pathfrom)
if file_doc is not None:
file_path, name = fusepath.split(pathto)
file_doc.update({
"name": name,
"path": file_path,
"lastModification": fusepath.get_current_date()
})
dbutils.update_file(self.db, file_doc)
folder_doc = dbutils.get_folder(self.db, pathfrom)
if folder_doc is not None:
folder_path, name = fusepath.split(pathto)
folder_doc.update({
"name": name,
"path": folder_path,
"lastModification": fusepath.get_current_date()
})
# Rename all subfiles
for res in self.db.view("file/byFolder", key=pathfrom):
child_pathfrom = os.path.join(
res.value['path'],
res.value['name']
)
child_pathto = os.path.join(folder_path, name, res.value['name'])
self.rename(child_pathfrom, child_pathto, False)
for res in self.db.view("folder/byFolder", key=pathfrom):
child_pathfrom = os.path.join(
res.value['path'],
res.value['name'])
child_pathto = os.path.join(folder_path, name, res.value['name'])
self.rename(child_pathfrom, child_pathto, False)
dbutils.update_folder(self.db, folder_doc)
parent_path_from, namefrom = fusepath.split(pathfrom)
parent_path_to, nameto = fusepath.split(pathto)
if root:
self._update_parent_folder(parent_path_from)
self._update_parent_folder(parent_path_to)
names = dbutils.name_cache.get(parent_path_from)
if names is not None and namefrom in names:
names.remove(namefrom)
names.add(parent_path_from, names)
names = dbutils.name_cache.get(parent_path_to)
if names is not None:
names.append(nameto)
names.add(parent_path_to, names)
self._clean_cache(pathfrom)
self._add_to_cache(pathto)
if folder_doc is None and file_doc is None:
return -errno.ENOENT
else:
return 0
except Exception as e:
logger.exception(e)
return -errno.ENOENT
