#!/usr/bin/env python
# Copyright European Organization for Nuclear Research (CERN)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# You may not use this file except in compliance with the License.
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Authors:
# - Wen Guan, <wen.guan@cern.ch>, 2014-2016

"""
Conveyor is a daemon to manage file transfers.
"""

import argparse
import signal

from rucio.daemons.conveyor.throttler import run, stop

if __name__ == "__main__":

    signal.signal(signal.SIGTERM, stop)

    parser = argparse.ArgumentParser()
    parser.add_argument("--run-once", action="store_true", default=False,
                        help='One iteration only')
    parser.add_argument('--sleep-time', action="store", default=600, type=int,
                        help='Seconds to sleep if few requests')
    args = parser.parse_args()

    try:
        run(once=args.run_once, sleep_time=args.sleep_time)
    except KeyboardInterrupt:
        stop()
