def start_logPublisher(self, publish):
log = logging.getLogger()
log.info('Activating log publisher on port {}'.format(publish))
zmq_log_handler = PUBHandler("tcp://*:{}".format(publish))
zmq_log_handler.setFormatter(
logging.Formatter(fmt='{asctime}|{message}', style='{'))
zmq_log_handler.root_topic = self.nodename
log.addHandler(zmq_log_handler)
if self.camwatcher:
handoff = {
'node': self.nodename,
'log': self.publish_log,
'video': self.publish_cam,
'host': socket.gethostname()
}
msg = "CameraUp|" + json.dumps(handoff)
try:
with zmq.Context().socket(zmq.REQ) as sock:
log.debug('connecting to ' + self.camwatcher)
sock.connect(self.camwatcher)
sock.send(msg.encode("ascii"))
resp = sock.recv().decode("ascii")
except Exception as ex:
log.exception('Unable to connect with camwatcher:' + ex)
sys.exit()
log.handlers.remove(
log.handlers[0]) # OK, all logging over PUB socket only
log.setLevel(logging.INFO)
return log
class LogPublisher(object):
"""
Centralized logger publisher, used in MP.Process.run() to send log message to log collector.
"""
def __init__(self, ip="127.0.0.1", port=8000):
self._logger = logging.getLogger("LogPublisher")
self._logger.setLevel(logging.DEBUG)
self.ctx = zmq.Context()
self.socket = self.ctx.socket(zmq.PUB)
self.socket.bind("tcp://{}:{}".format(ip, port))
self.handler = PUBHandler(self.socket)
self.format = logging.Formatter(
"[%(filename)s:%(lineno)d] %(levelname)s %(message)s")
self.handler.setFormatter(self.format)
self._logger.addHandler(self.handler)
@property
def logger(self):
return self._logger
