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#!/usr/bin/env python
#coding=utf8
import sys
import logging
import logging.handlers
import ConfigParser
import signal
from optparse import OptionParser
from ccserver.ccserver import CCServer
import os
try:
import daemon
DAEMONIZE = True
except ImportError:
DAEMONIZE = False
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DEFAULT_CONFIG_FILE = '/etc/cc-server.conf'
DEFAULT_PID_FILE = '/var/run/cc-server.pid'
DEFAULT_CONFIGURATION = {
'port': 1984,
'verbosity': 0,
'account_db': None, # None = mandatory option
'interface': '127.0.0.1',
'ssl_cert': None,
'ssl_key': None,
}
def run_server(options):
# Setup logging facility:
level = logging.ERROR
verb = int(options['verbosity'])
if verb:
if verb == 1:
level = logging.WARNING
elif verb == 2:
level = logging.INFO
else:
level = logging.DEBUG
logger = logging.getLogger()
logger.setLevel(level)
facility = logging.handlers.SysLogHandler.LOG_DAEMON
handler = logging.handlers.SysLogHandler(address='/dev/log',
facility=facility)
fmt = logging.Formatter('cc-server: %(levelname)s %(message)s')
handler.setFormatter(fmt)
logger.addHandler(handler)
server = CCServer(conf_dir=options['account_db'], port=int(options['port']),
address=options['interface'], keyfile=options['ssl_key'],
certfile=options['ssl_cert'])
def shutdown_handler(signum, frame):
'''
Handler called when SIGINT is emitted.
'''
server.manager.shutdown()
logging.info('Server properly exited by SIGINT')
sys.exit(0)
signal.signal(signal.SIGINT, shutdown_handler)
try:
server.run()
except Exception as err:
import traceback
traceback.print_exc(file=sys.stdout)
logging.critical('Server fail: %s' % err)
sys.exit(3)
if __name__ == '__main__':
op = OptionParser(version='%%prog %s' % __VERSION__)
op.add_option('-c', '--config', default=DEFAULT_CONFIG_FILE,
help='configuration file (default: %default)')
op.add_option('-d', '--daemonize', default=False, action='store_true',
help='run as daemon and write pid file')
op.add_option('-p', '--pid-file', default=DEFAULT_PID_FILE,
help='pid file (default: %default)')
cliopts, args = op.parse_args()
# Reading the config file:
config = ConfigParser.SafeConfigParser()
config.read(cliopts.config)
try:
options = dict(config.items('server'))
except ConfigParser.NoSectionError:
sys.stderr.write("Configuration error: 'server' section must exist "
"in '%s'\n" % cliopts.config)
sys.exit(1)
# Applying default config file options:
for opt, default in DEFAULT_CONFIGURATION.iteritems():
if opt not in options or not options[opt]:
if default is None:
sys.stderr.write("Configuration error: you must specify '%s' "
"option in '%s' !\n" % (opt, cliopts.config))
sys.exit(1)
else:
options[opt] = default
if cliopts.daemonize:
if DAEMONIZE:
with daemon.DaemonContext(stderr=sys.stderr):
run_server(options)
else:
sys.stderr.write(('You must install python-daemon to handle the '
'daemonization of the process.\n'))
sys.exit(2)
else:
run_server(options)