mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-23 19:11:14 +01:00
84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
# adapted from https://medium.com/@jonathonbao/python3-logging-with-multiprocessing-f51f460b8778
|
|
import logging
|
|
import threading
|
|
import os
|
|
import signal
|
|
import queue
|
|
import multiprocessing as mp
|
|
from logging import handlers
|
|
from setproctitle import setproctitle
|
|
from collections import deque
|
|
|
|
|
|
def listener_configurer():
|
|
root = logging.getLogger()
|
|
console_handler = logging.StreamHandler()
|
|
formatter = logging.Formatter('%(name)-30s %(levelname)-8s: %(message)s')
|
|
console_handler.setFormatter(formatter)
|
|
root.addHandler(console_handler)
|
|
root.setLevel(logging.INFO)
|
|
|
|
def root_configurer(queue):
|
|
h = handlers.QueueHandler(queue)
|
|
root = logging.getLogger()
|
|
root.addHandler(h)
|
|
root.setLevel(logging.INFO)
|
|
|
|
def log_process(log_queue):
|
|
stop_event = mp.Event()
|
|
def receiveSignal(signalNumber, frame):
|
|
stop_event.set()
|
|
|
|
signal.signal(signal.SIGTERM, receiveSignal)
|
|
signal.signal(signal.SIGINT, receiveSignal)
|
|
|
|
threading.current_thread().name = f"logger"
|
|
setproctitle("frigate.logger")
|
|
listener_configurer()
|
|
while True:
|
|
if stop_event.is_set() and log_queue.empty():
|
|
break
|
|
try:
|
|
record = log_queue.get(timeout=5)
|
|
except queue.Empty:
|
|
continue
|
|
logger = logging.getLogger(record.name)
|
|
logger.handle(record)
|
|
|
|
# based on https://codereview.stackexchange.com/a/17959
|
|
class LogPipe(threading.Thread):
|
|
def __init__(self, log_name, level):
|
|
"""Setup the object with a logger and a loglevel
|
|
and start the thread
|
|
"""
|
|
threading.Thread.__init__(self)
|
|
self.daemon = False
|
|
self.logger = logging.getLogger(log_name)
|
|
self.level = level
|
|
self.deque = deque(maxlen=100)
|
|
self.fdRead, self.fdWrite = os.pipe()
|
|
self.pipeReader = os.fdopen(self.fdRead)
|
|
self.start()
|
|
|
|
def fileno(self):
|
|
"""Return the write file descriptor of the pipe
|
|
"""
|
|
return self.fdWrite
|
|
|
|
def run(self):
|
|
"""Run the thread, logging everything.
|
|
"""
|
|
for line in iter(self.pipeReader.readline, ''):
|
|
self.deque.append(line.strip('\n'))
|
|
|
|
self.pipeReader.close()
|
|
|
|
def dump(self):
|
|
while len(self.deque) > 0:
|
|
self.logger.log(self.level, self.deque.popleft())
|
|
|
|
def close(self):
|
|
"""Close the write end of the pipe.
|
|
"""
|
|
os.close(self.fdWrite)
|