def request_data(address):
""" Send REQ_UD2 to (address), store the response in the database.
:param address: int """
if address > 250:
ping(address)
print('Waiting for response from meter...')
for n in range(11, 1, -1):
print('{}..'.format(n))
sleep(1)
mbus_response = nm.send(MBus.req_ud2(address))
else:
mbus_response = nm.send(MBus.req_ud2(address))
print('Sent: {}'.format(MBus.pretty_hex(MBus.req_ud2(address))))
print('Received: {}'.format(MBus.pretty_hex(mbus_response)))
if mbus_response:
mbus_response = MBus.parse_telegram(mbus_response)
logging.debug(MBus.pretty_print(mbus_response))
print('Storing stuff in database...')
open_and_store(mbus_response)
return mbus_response
else:
print('Sent request to {}, but did not get a response.'.format(address))
return
meter_units = []
print('Starting {NU} meter units'.format(NU=NUM_UNITS))
for x in range(0, NUM_UNITS):
meter_units.append(MeterUnit(x, 'thread_name', x))
for mu in meter_units:
mu.setDaemon(1)
mu.start()
print('Simulator is running with {NU} units(threads), waiting for requests...'.format(NU=NUM_UNITS))
while True:
try:
client_socket, address = nm.accept_connection()
if client_socket is 0:
continue
telegram = client_socket.recv(1024)
while telegram:
mbt = MBus.parse_telegram(telegram)
print('Received: {t} from {src}'.format(t=mbt, src=(str(address))))
a = int(mbt.fields['address'], 16)
if mbt.type == 'SND_NKE':
if 0 <= a < len(meter_units):
print('Responded with E5\n')
client_socket.sendall(MBus.ACK)
elif mbt.type == 'SND_UD':
client_socket.sendall(MBus.ACK)
elif mbt.type == 'REQ_UD2':
if 0 <= a < len(meter_units):
v = meter_units[a].get_value()
response = MBus.rsp_ud(v, a)
client_socket.sendall(response)
telegram = client_socket.recv(1024)
except ConnectionResetError:
def send_custom(t):
response = nm.send(bytes.fromhex(t))
if response is None:
return 'No response'
else:
return MBus.parse_telegram(response)
def ping(address):
""" Ping address and return the result, True or False.
:param address: int """
address = int(address)
print('Sent: {}'.format(MBus.parse_telegram(MBus.snd_nke(address))))
return MBus.parse_telegram(nm.send(MBus.snd_nke(address)))
