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run_broker.py
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run_broker.py
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# Python 3
import logging
import argparse as ap
import sys
import asyncio
import uvloop
try:
import signal
except ImportError:
signal = None
from config.config import config
from broker.broker import start_server
# use uvloop
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
logger = logging.getLogger('broker')
def log_exp(excType, excValue, traceback):
"""Log exceptions also"""
logger.error(
"Uncaught exception!",
exc_info=(excType, excValue, traceback))
sys.excepthook = log_exp
def main():
"""Set up logging, start the event loop"""
# File and console
fh = logging.FileHandler(config.get('logging', 'path'))
ch = logging.StreamHandler()
# Set log levels
log_level = config.get('logging', 'level')
logger.setLevel(log_level)
fh.setLevel(log_level)
ch.setLevel(log_level)
# Set format
formatter = logging.Formatter(config.get('logging', 'format'))
fh.setFormatter(formatter)
ch.setFormatter(formatter)
# Add handlers
logger.addHandler(fh)
logger.addHandler(ch)
# ready to go
logger.info("pymqttsn broker started")
# start the asyncio loop
loop = asyncio.get_event_loop()
if signal is not None:
loop.add_signal_handler(signal.SIGINT, loop.stop)
host = config.get('mqtt_sn', 'listen_host')
port = config.getint('mqtt_sn', 'listen_port')
server = start_server(loop, (host, port))
try:
loop.run_forever() # and ever and ever
finally:
server.close()
loop.close()
logger.info('Goodnight, sweet prince')
if __name__ == "__main__":
# Read configuration provided by user
parser = ap.ArgumentParser()
parser.add_argument(
'--config', '-c', type=str, help='Configuration File',
default='')
args = parser.parse_args()
if args.config is not "":
config.read(args.config)
else:
logger.warning("No configuration specified, using defaults.")
# Start service
main()