def __init__(self):
self.logger = logging.getLogger('group_leader')
self.peers = set()
self.music = mpd.music.get_hashes()
address = network.parse_address(network.get_group_address())
self.logger.info('starting group leader server on {}'.format(address))
super().__init__(address, GroupLeaderHandler)
self.thread = threading.Thread(target=self.serve_forever, daemon=True)
self.thread.start()
def __init__(self, leader):
self.logger = logging.getLogger('group_peer')
self.leader = leader
self.music = mpd.music.get_hashes()
self.peers = set()
self.join_pending = True
# start server for group messages
address = network.get_group_address()
self.logger.info('starting peer server on {}'.format(address))
super().__init__(network.parse_address(address), GroupPeerHandler)
self.thread = threading.Thread(target=self.serve_forever, daemon=True)
self.thread.start()
# try to contact group leader with GroupJoin
self.logger.debug('contacting leader at {}'.format(leader))
self.send_leader(proto.GroupJoin(network.get_group_port()))
def group_ping():
if data.ping_id in self.state['group_pings']:
# We've seen this ping, do nothing
self.logger.debug('known ping -> ignore')
else:
# We've not seen this ping, flood
self.state['group_pings'][data.ping_id] = peer
data.ttl -= 1
for p in self.state['neighbours']:
if p != peer:
p.send(data)
if self.state['group']:
# We're in a group, so we should answer
self.logger.debug('reply with group pong to {}'.format(
peer.address))
music = self.state['group'].music
if isinstance(self.state['group'], GroupLeader):
m = proto.GroupPong(data.ping_id,
network.get_group_address(), music)
elif isinstance(self.state['group'], GroupPeer):
m = proto.GroupPong(data.ping_id,
self.state['group'].leader, music)
peer.send(m)
def remove_peer(self, a, p):
peer = '{}:{}'.format(a, p)
self.peers.remove(peer)
m = proto.GroupInfo(network.get_group_address(), self.peers)
self.send_all(m)
def update_peers(self, ps):
self.peers = ps - {network.get_group_address()}
self.logger.debug('updating peers: {}'.format(self.peers))