def read(self):
ret = {}
if not os.path.isdir(self.storage):
return ret
files = os.listdir(self.storage)
if len(files) is 0:
return ret
for f in files:
file = open(self.storage + "/" + f, "rb")
json_obj = pickle.load(file)
file.close()
qos = json_obj["qos"]
path = base64_decode(f)
sub = {
"path": path,
"qos": qos
}
ret[path] = sub
if qos is 2:
value = Value()
value.type = json_obj["type"]
value.updated_at = json_obj["ts"]
value.value = json_obj["value"]
self.store(sub, value)
self.update_cache[path] = value
elif qos is 3:
try:
import_queue = json_obj["queue"]
except KeyError:
continue
if path not in self.updates_cache or sub["path"] not in self.updates_cache:
queue = []
elif path in self.updates_cache:
queue = self.updates_cache[path]
elif sub["path"] in self.updates_cache:
queue = self.updates_cache[sub["path"]]
else:
continue
for array in import_queue:
value = Value()
value.type = array[0]
value.updated_at = array[1]
value.value = array[2]
queue.append(value)
return ret