def join_game(self, gameobj):
data = {"controllerid": -1, "streaming_port": -1}
try:
controllers = range(gameobj.max_limit)
occupied = GameSession.objects.filter(game=gameobj).values_list("controller", flat=True)
available = list(set(controllers) - set(occupied))
data["controllerid"] = available[0]
except IndexError:
return data
if data["controllerid"] != -1:
command = JOIN_CMD + str(data["controllerid"]).zfill(4)
result = utils.connect_to_CPP(command)
if result != ERROR_MSG:
data["streaming_port"] = data["controllerid"] + PORT_NUM
return data
def join_game(gameobj, user):
user_controller = INVALID
try:
controllers = range(gameobj.max_limit) # Valid controller id
# Controller id currently used by user
occupied = GameSession.objects.filter(game = gameobj). \
values_list('controller', flat=True)
# Find suitable controller id
available = list(set(controllers) - set(occupied))
user_controller = available[0]
except IndexError:
return None
if(user_controller != INVALID):
session = GameSession.objects.create(
game = gameobj,
user = user,
controller = user_controller,
streaming_port = user_controller + PORT_NUM
)
data = {
'game_session_id': session.id,
'controller': user_controller,
'streaming_port': session.streaming_port,
'streaming_ip': gameobj.address,
'game_id': gameobj.id,
'username': user.username,
'command': 'join'
}
result = utils.connect_to_CPP(data)
if(result != ERROR_MSG):
return session
# Failed: rollback
session.delete()
return None
