def do_maintenance(self):
self.acquire_lock()
try:
logger.info("Scheduled maintenance")
self.application.do_maintenance()
finally:
self.release_lock()
def __init__(self, connection):
StateTable.__init__(self, connection)
existing_values = self.values
for value in ("1", "2", "3", "4", "5"):
if value not in existing_values:
logger.info("Adding (unchangeable) Priority value: %s" % \
value)
self.create_new_value(value)
def _send_no_such_location(self, path):
logger.info("No such location: %s" % path)
self.send_response(HttpCodes.NotFound)
self.send_header("Content-type", "text/html")
self.send_header("Server", self.SERVER_NAME)
self.end_headers()
self.wfile.write("<html><body><h1>No such location!</h1>"
"<p>The location <b>%s</b> does not exist." % path)
self.wfile.write("</body></html>")
def start(self):
logger.info("Starting server")
next_hour = lib.get_utc_time_of_next_hour()
while True:
rs, ws, es = select.select([self.httpd], [self.httpd], [], 1)
if rs or ws:
self.httpd.handle_request()
if lib.get_utc_time() > next_hour:
self.sessions.do_maintenance()
next_hour = lib.get_utc_time_of_next_hour()
def logout(self, session_id):
user = self.logged_in_users.get(session_id, None)
if user is not None:
logger.info('Logged out user "%s" under session: %s' % (
user.username, session_id))
user.logout()
del self.logged_in_users[session_id]
return True
else:
return False
def login(self, session_id, username, password):
user = User(self.connection)
if user.login(username, password):
self.logged_in_users[session_id] = user
logger.info('Logging in user "%s" under session: %s' % (
user.username, session_id))
return True
else:
logger.info('Failed login attempt for user "%s"' % username)
return False
def _get_locations(self, locations, application):
"""Build a dictionary of Location's from the locations module."""
locations_map = {}
for candidate_name in dir(locations):
candidate = getattr(locations, candidate_name)
if type(candidate) == type(locations.Location) and \
issubclass(candidate, locations.Location) and \
candidate != locations.Location:
locations_map[candidate.path] = candidate(application)
logger.info("Found %s class to handle path %s" % \
(candidate.__name__, candidate.path))
return locations_map
def __init__(self, application, locations):
self.sessions = Sessions(application)
RequestHandler._locations = self._get_locations(locations,
application)
RequestHandler._sessions = self.sessions
interface = config.Server.interface
port = config.Server.port
if interface:
logger.info("Creating server on %s:%s" % (interface, port))
else:
logger.info("Creating server on all interfaces:%s" % port)
self.httpd = MyHTTPServer( (interface, port), RequestHandler)
def _setup_tables(self):
if not administration.have_tables(config.Database.name):
logger.info("No tables defined - creating new ones")
administration.create_tables(config.Database.name)
def expired_session(self, session_id):
user = self.logged_in_users.get(session_id, None)
if user is not None:
logger.info('"Timeout of user "%s"' % user.username)
user.logout()
del self.logged_in_users[session_id]
