radicale/radicale.py
2011-04-02 22:09:43 +02:00

121 lines
3.6 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This file is part of Radicale Server - Calendar Server
# Copyright © 2008-2011 Guillaume Ayoub
# Copyright © 2008 Nicolas Kandel
# Copyright © 2008 Pascal Halter
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
# This file is just a script, allow [a-z0-9]* variable names
# pylint: disable-msg=C0103
# ``import radicale`` refers to the ``radicale`` module, not ``radicale.py``
# pylint: disable-msg=W0406
"""
Radicale CalDAV Server.
Launch the server according to configuration and command-line options.
"""
# TODO: Manage smart and configurable logs
import os
import sys
import optparse
import signal
import threading
import radicale
# Get command-line options
parser = optparse.OptionParser(version=radicale.VERSION)
parser.add_option(
"-d", "--daemon", action="store_true",
default=radicale.config.getboolean("server", "daemon"),
help="launch as daemon")
parser.add_option(
"-f", "--foreground", action="store_false", dest="daemon",
help="launch in foreground (opposite of --daemon)")
parser.add_option(
"-H", "--hosts",
default=radicale.config.get("server", "hosts"),
help="set server hostnames and ports")
parser.add_option(
"-s", "--ssl", action="store_true",
default=radicale.config.getboolean("server", "ssl"),
help="use SSL connection")
parser.add_option(
"-S", "--no-ssl", action="store_false", dest="ssl",
help="do not use SSL connection (opposite of --ssl)")
parser.add_option(
"-k", "--key",
default=radicale.config.get("server", "key"),
help="set private key file")
parser.add_option(
"-c", "--certificate",
default=radicale.config.get("server", "certificate"),
help="set certificate file")
options = parser.parse_args()[0]
# Update Radicale configuration according to options
for option in parser.option_list:
key = option.dest
if key:
value = getattr(options, key)
radicale.config.set("server", key, value)
# Fork if Radicale is launched as daemon
if options.daemon:
if os.fork():
sys.exit()
sys.stdout = sys.stderr = open(os.devnull, "w")
# Launch calendar servers
servers = []
server_class = radicale.HTTPSServer if options.ssl else radicale.HTTPServer
def exit():
"""Cleanly shutdown servers."""
while servers:
servers.pop().shutdown()
def serve_forever(server):
"""Serve a server forever with no traceback on keyboard interrupts."""
try:
server.serve_forever()
except KeyboardInterrupt:
# No unwanted traceback
pass
finally:
exit()
# Clean exit on SIGTERM
signal.signal(signal.SIGTERM, lambda *_: exit())
for host in options.hosts.split(','):
address, port = host.strip().rsplit(':', 1)
address, port = address.strip('[] '), int(port)
servers.append(server_class((address, port), radicale.CalendarHTTPHandler))
for server in servers[:-1]:
# More servers to come, launch a new thread
threading.Thread(target=serve_forever, args=(server,)).start()
# Last server, no more thread
serve_forever(servers[-1])