Ensure a rt shm buffer without backfill has correct epoch timestamping

epoch_index_backup
Tyler Goodlet 2022-11-21 20:25:33 -05:00
parent de1c0b1399
commit 226e84d15f
1 changed files with 11 additions and 1 deletions

View File

@ -25,6 +25,7 @@ from collections import defaultdict
from contextlib import asynccontextmanager as acm
from datetime import datetime
from functools import partial
import time
from types import ModuleType
from typing import (
Any,
@ -678,6 +679,10 @@ async def tsdb_backfill(
tsdb_last_frame_start = tsdb_history['Epoch'][0]
if timeframe == 1:
times = shm.array['time']
assert (times[1] - times[0]) == 1
# load as much from storage into shm possible (depends on
# user's shm size settings).
while (
@ -1204,7 +1209,12 @@ async def allocate_persistent_feed(
rt_shm.push(hist_shm.array[-3:-1])
ohlckeys = ['open', 'high', 'low', 'close']
rt_shm.array[ohlckeys][-2:] = hist_shm.array['close'][-1]
rt_shm.array['volume'][-2] = 0
rt_shm.array['volume'][-2:] = 0
# set fast buffer time step to 1s
ts = round(time.time())
rt_shm.array['time'][0] = ts
rt_shm.array['time'][1] = ts + 1
# wait the spawning parent task to register its subscriber
# send-stream entry before we start the sample loop.