def write(self, path, buf, offset):
logging.debug("write %s, %s, %d" % (path, buf, offset))
if lmdbfs.exists(path):
st, data = lmdbfs.read_file(path)
st.st_size = len(buf)
lmdbfs.write_file(path, st, buf)
return len(buf)
return -errno.ENOENT
def truncate(self, path, size):
logging.debug("truncate %s, %d" % (path, size))
if lmdbfs.exists(path):
st, data = lmdbfs.read_file(path)
st.st_size = size
data = data[:size]
lmdbfs.write_file(path, st, data)
return 0
return -errno.ENOENT
def test(self):
st = fuse.Stat()
st.st_nlink = 1
st.st_mode = 0
data = 'file1datadatadata'
lmdbfs.write_file('file1', st, data)
st_r, data_r = lmdbfs.read_file('file1')
self.assertEqual(data, data_r)
self.assertEquals(st.st_nlink, st_r.st_nlink)
def getattr(self, path):
logging.debug("getattr %s" % (path))
ret = LMDBStat()
if path == '/':
ret.st_mode = stat.S_IFDIR | 0755
ret.st_nlink = 2
ret.st_size = DIRSIZE
return ret
else:
meta, _ = lmdbfs.read_file(path)
if meta:
return meta
else:
return -errno.ENOENT
def read(self, path, size, offset):
logging.debug("read %s, %d, %d" % (path, size, offset))
if lmdbfs.exists(path):
_, data = lmdbfs.read_file(path)
return data[offset:offset+size]
return -errno.ENOENT
def testNonExistentRead(self):
st_r, data_r = lmdbfs.read_file('file2')
self.assertIsNone(st_r)
self.assertIsNone(data_r)