def detect(self, memberlist):
self._logger.debug('Detecting failures.')
dead_nodes = []
current_timestamp = timestamp()
for node in memberlist.itervalues():
if node.timestamp + self._dead_timeout * 1000 < current_timestamp:
print 'failed node: %r' % node
node.status = MemberStatus.Dead
dead_nodes.append(node)
# self._logger.debug('Detecting failures.')
return dead_nodes
def beat(self, message):
with self._memberlist.lock():
address = message.address
memberlist_key = self._memberlist.generate_key(address.host, address.port)
# TODO: add locking for memberlist
node = Member(Address(address.host, address.port), message.seq_num, timestamp())
if memberlist_key in self._memberlist:
self._memberlist[memberlist_key].merge(node)
else:
self._memberlist[memberlist_key] = node
self._logger.debug('Received heartbeat message %s from %s.' % (message.seq_num, node.address))