def separate(self, channels):
try:
storage = redis_storage.RedisStorage(config.storage["host"],
config.storage["port"],
config.storage["chunk_db"])
count = (self.t2 - self.t1) * self.density * len(channels) // (
self.size_stream * self.delta)
print(count)
if (count == 0):
count = 1
deltaT = (self.t2 - self.t1) // count
array = []
t = self.t1
while t < self.t2:
chunk = Chunk(t, t + deltaT, channels)
array.append(chunk)
t += deltaT
if (t != self.t2):
chunk = Chunk(t + deltaT, self.t2, channels)
array.append(chunk)
for i, c in enumerate(array[1:]):
array[i].next = c
c.prev = array[i]
for i in array:
storage.put_chunk(i)
return array
except AttributeError:
raise
logging.error("atribute error")
def chunk_compress(chunk_id):
if request.method == 'POST':
try:
request_data = request.get_json()
storage = redis_storage.RedisStorage(config.storage["host"],
config.storage["port"],
config.storage["chunk_db"])
current_chunk = storage.get_chunk(chunk_id)
if current_chunk is None:
abort(404)
data = data_base.get_data(
datetime.datetime.fromtimestamp(current_chunk["t1"]),
datetime.datetime.fromtimestamp(current_chunk["t2"]),
current_chunk["channels"], request_data["level"],
request_data["fields"])
if data is None:
abort(404)
if current_chunk["next"]:
data.update({"next": current_chunk["next"]})
js = json.dumps(data)
app.logger.debug(current_chunk)
return js
except (ValueError) as ex:
app.logger.error(str(ex))
abort(400)
else:
abort(400)
def chunk(chunk_id):
if request.method == 'GET':
try:
storage = redis_storage.RedisStorage()
current_chunk = storage.get_chunk(chunk_id)
if current_chunk is None:
abort(404)
data = data_base.GetData(
current_chunk["channels"],
datetime.datetime.fromtimestamp(current_chunk["t1"]),
datetime.datetime.fromtimestamp(current_chunk["t2"]))
if data is None:
abort(404)
d = defaultdict(list)
for i in data:
d[i[1]].append({"time": i[0].timestamp(), "value": i[2]})
if current_chunk["next"]:
d.update({"next": current_chunk["next"]})
js = json.dumps(d)
app.logger.debug(current_chunk)
return js
except (TypeError, ValueError) as ex:
app.logger.error(str(ex))
abort(400)
else:
abort(400)
def chunk(chunk_id):
if request.method == 'GET':
try:
storage = redis_storage.RedisStorage(config.storage["host"],
config.storage["port"],
config.storage["chunk_db"])
current_chunk = storage.get_chunk(chunk_id)
if current_chunk is None:
abort(404)
data = data_base.get_data(
datetime.datetime.fromtimestamp(current_chunk["t1"]),
datetime.datetime.fromtimestamp(current_chunk["t2"]),
current_chunk["channels"], "raw")
if data is None:
abort(404)
d = defaultdict(list)
for i in data:
d[i.ch_id].append({
"time": i.time.timestamp(),
"value": i.value
})
if current_chunk["next"]:
d.update({"next": current_chunk["next"]})
js = json.dumps(d)
app.logger.debug(current_chunk)
return js
except (ValueError) as ex:
app.logger.error(str(ex))
abort(400)
else:
abort(400)
def Separate(self, channels):
try:
storage = redis_storage.RedisStorage()
count = (self.t2 - self.t1
) * self.density * len(channels) // self.size_stream
deltaT = (self.t2 - self.t1) // count
array = []
t = self.t1
while t < self.t2:
chunk = Chunk(t, t + deltaT, channels)
array.append(chunk)
t += deltaT
for i, c in enumerate(array[1:]):
array[i].next = c
c.prev = array[i]
for i in array:
storage.put_chunk(i, 1000)
return array
except AttributeError:
raise
logging.error("atribute error")