def communication(request):
import pdb
# pdb.set_trace()
print "start=====com"
if request.method != 'POST':
resp = JsonResponse({'type': 'login', 'source': 'host', 'ack_nak': 'NAK'})
resp['Access-Control-Allow-Origin'] = '*'
return resp
source = request.POST.get('source', '')
op = request.POST.get('type', 'login')
room = Room.objects.select_for_update().filter(numbers=source).first()
print "operator======, ", op
if op == 'login':
if not room:
user = User.objects.create(username=get_rand_name(), password='******')
room = Room.objects.create(user_id=user.id, numbers=source)
ip_port = request.POST.get('ip_port', None)
print "ip___port:_______ ", ip_port
room.ip_address = ip_port
room.host = Server.get_host()
room.link = 1
room.save()
print "========================="
resp = JsonResponse({'type':'login', 'source':'host', 'ack_nak': 'ACK'})
resp['Access-Control-Allow-Origin'] = '*'
return resp
if not room:
resp = JsonResponse({'type': op, 'source': 'host', 'ack_nak': 'NAK'})
resp['Access-Control-Allow-Origin'] = '*'
return resp
if op == 'logout':
room.link = 0
room.save()
resp = JsonResponse({'type':'logout', 'source':'host', 'ack_nak': 'ACK'})
resp['Access-Control-Allow-Origin'] = '*'
return resp
elif op == 'require':
speed = request.POST.get('speed', 'low')
print "start stop"
resp = post_to_client(room.ip_address, {'type':'stop', 'source': 'host'})
stop_cost(room.id, room.room_temperature)
room.speed = RESPEED[speed]
room.service = 0
room.save()
resp = JsonResponse({'type':'require', 'source':'host', 'ack_nak': 'ACK'})
resp['Access-Control-Allow-Origin'] = '*'
return resp
elif op == 'query_cost':
resp = JsonResponse({'type': 'query_cost', 'source': 'host', 'ack_nak': 'ACK', 'power_consumption': room.power,
'price': room.price, 'total_cost': room.total_cost})
resp['Access-Control-Allow-Origin'] = '*'
return resp
elif op == 'query_mode':
resp = JsonResponse({'type': 'query_mode', 'source': 'host', 'ack_nak': 'ACK', 'mode': MODE[Server.get_attr('mode')]})
resp['Access-Control-Allow-Origin'] = '*'
return resp
def update_room_info():
mode = Server.get_attr('mode')
query = Room.objects.select_for_update().filter(host=Server.get_host(), link=1)
for room in query.all():
resp = query_room_temperature(room.ip_address, room.numbers)
if not room.link:
continue
if resp['code'] == 0:
room.setting_temperature = resp['setting_temperature']
room.room_temperature = resp['room_temperature']
else:
room.link = 0
room.service = 0
print "break link!"
speed = room.speed
room.save()
if not room.service:
continue
if (room.setting_temperature >= room.room_temperature + 0.1 and mode == 0) or (room.setting_temperature + 0.1 <= room.room_temperature and mode == 2):
room.service = 0
if room.service == 0:
old_cost = RoomRequest.objects.filter(room_id=room.id).order_by("-id").first()
old_cost.end_time = datetime.now()
old_cost.end_temperature = room.room_temperature
old_cost.save()
resp = post_to_client(room.ip_address, {'type':'stop', 'source': 'host'})
if room.service == 1:
update_cost(room.id, POWER_PER_MIN[room.speed], room.price)
room.power += POWER_PER_MIN[room.speed]
room.total_cost = room.power * room.price
room.save()
service_count = query.filter(service=1).count()
if service_count < 3:
rooms = query.filter(service=0, speed__gt=0).all()
for room in rooms:
speed = room.speed
if (room.setting_temperature >= room.room_temperature + 0.1 and mode == 0) or (room.setting_temperature + 0.1 <= room.room_temperature and mode == 2):
continue
resp = post_to_client(room.ip_address, {'type':'send', 'source':'host'})
if resp['code'] == 0:
room.service = 1
room_request = RoomRequest.objects.create(room_id=room.id, start_time=datetime.now(), power = 0, cost = 0, start_temperature=room.room_temperature, speed=speed)
print "start service"
room.start_service_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
room.save()
break
return JsonResponse({'code': 0})
