def run(self):
self.running = True
while self.running:
# this syncs the blacklist
try:
if self.blacklist.outsynced:
self.blacklist.save()
else:
self.blacklist.update()
except Exception, e:
# in case something goes wrong
# we log it but don't want our thread to die.
from keyexchange.filtering import logger
logger.error(str(e))
time.sleep(self.frequency)
def save(self):
"""Save the IP into memcached if needed."""
if self._cache_server is None or not self._dirty:
return
self._lock.acquire()
try:
# XXX will use CAS/GETS once pylibmc 1.1.2 is released
self._update()
data = self.ips, self._ttls
if not self._cache_server.set('keyexchange:blacklist', data):
from keyexchange.filtering import logger
logger.error('Could not update the backlist')
self._dirty = False
finally:
self._lock.release()
