#!@PYTHON@

import sys; sys.path.append ('@@PYTHONPATH@@')

from isc.config.cfgmgr import ConfigManager
from isc.cc import SessionError
import signal
import os

# If B10_FROM_SOURCE is set in the environment, we use data files
# from a directory relative to that, otherwise we use the ones
# installed on the system
if "B10_FROM_SOURCE" in os.environ:
    DATA_PATH = os.environ["B10_FROM_SOURCE"]
else:
    PREFIX = "@prefix@"
    DATA_PATH = "@localstatedir@/@PACKAGE@".replace("${prefix}", PREFIX)

cm = None

def signal_handler(signal, frame):
    global cm
    if cm:
        cm.running = False

if __name__ == "__main__":
    try:
        cm = ConfigManager(DATA_PATH)
        signal.signal(signal.SIGINT, signal_handler)
        signal.signal(signal.SIGTERM, signal_handler)
        cm.read_config()
        cm.notify_boss()
        cm.run()
    except SessionError as se:
        print("[b10-cfgmgr] Error creating config manager, "
              "is the command channel daemon running?")
    except KeyboardInterrupt as kie:
        print("Got ctrl-c, exit")
    if cm:
        cm.write_config()