def new_trial (self) :
"""
advance to the next trial
"""
self.trialNum = self.trialNum + 1
new_trial = self.trialList[self.trialNum]
# Swap roles every block of four trials
speaker_index = math.floor(self.trialNum / self.numRepetitions) % 2
listener_index = (math.floor(self.trialNum / self.numRepetitions) + 1) % 2
roles = {
'speaker' : self.players[speaker_index],
'listener' : self.players[listener_index]
}
packet = json.dumps({
'type': 'newTrial',
'networkid' : self.network_id,
'roomid' : self.room_id,
'stim_set_id' : self.stim_set_id,
'participantids' : self.players,
'partnerNum' : self.partner_num,
'prev' : self.prev,
'trialNum' : self.trialNum,
'targetURL' : new_trial['targetImg']['url'],
'currStim' : new_trial['stimuli'],
'roles' : roles
})
redis_conn.publish('refgame', packet)
def new_partner(self, room_id, partner_num) :
"""
advance to the next partner on game schedule
"""
ids = self.rooms[room_id].players
if partner_num + 1 >= self.num_players :
self.players.remove(ids[0])
self.players.remove(ids[1])
redis_conn.publish(
'refgame',
json.dumps({'type' : 'disconnectClient', 'participantids' : ids})
)
else :
self.ready.extend(ids)
redis_conn.publish(
'refgame',
json.dumps({
'type' : 'waitForPartner',
'participantids' : ids,
'partnerNum' : partner_num,
'schedule' : self.schedule
})
)
t = threading.Timer(4, lambda : self.assignPartners(partner_num))
t.start()
def publish(self):
"""Relay messages from client to redis."""
while not self.ws.closed:
# Sleep to prevent *constant* context-switches.
gevent.sleep(self.lag_tolerance_secs)
message = self.ws.receive()
if message is not None:
channel_name, data = message.split(":", 1)
redis_conn.publish(channel_name, data)
def handle_disconnect(self, msg) :
p = Participant.query.get(msg['participantid'])
network_id = p.all_nodes[0].network_id
# if disconnected participant has not already finished game, disconnect rest of their network
if msg['participantid'] in self.games[network_id].players :
p.status = "dropped"
redis_conn.publish(
'refgame',
json.dumps({'type' : 'disconnectClient', 'networkid' : network_id})
)
def publish(self, msg):
"""Publish a message to all memoryexpt2 clients"""
redis_conn.publish('memoryexpt2', json.dumps(msg))