def remove_connected(c_id, room):
c_id = str(c_id)
room = str(room)
mem_client = memcache.Client()
c_list = ConnectedClient.query(ConnectedClient.client_id == c_id and ConnectedClient.room == room).fetch()
if len(c_list) > 0:
c = c_list[0]
while True:
mem_client.gets(room, namespace="channels")
old_list = ConnectedClient.query(ConnectedClient.room == room).fetch()
if not old_list:
old_list = list()
if c in old_list:
old_list.remove(c)
if mem_client.cas(room, old_list, namespace="channels"):
break
else:
break
c.key.delete()
def add_connected(c_id, room, client_e, client_n):
c_id = str(c_id)
room = str(room)
c_client = ConnectedClient()
c_client.client_id = c_id
c_client.room = room
c_client.e = client_e
c_client.n = client_n
c_client.connected = True
c_client.put()
mem_client = memcache.Client()
while True:
old_list = mem_client.gets(room, namespace="channels")
if not old_list:
old_list = list()
old_list = ConnectedClient.query(ConnectedClient.room == room).fetch()
mem_client.set(room, old_list, namespace="channels")
old_list.append(c_client)
if mem_client.cas(room, old_list, namespace="channels"):
break
def post(self):
user = self.request.get('from')
client = ConnectedClient.query(user == ConnectedClient.client_id).fetch()
if len(client) > 0:
client[0].connected = True
client[0].put()
def get_clients(room):
client_list = memcache.get(room, namespace="channels", for_cas=True)
if not client_list:
client_list = ConnectedClient.query(ConnectedClient.room == room).fetch()
return client_list
