def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all:
scan_queue = list()
# Broadcast ping
utils.write_command(connection, commands.encode_ping(),
list(range(1, 128)))
reader = utils.read_can_datagrams(connection)
while True:
dt = next(reader)
if dt is None: # Timeout
break
_, _, src = dt
scan_queue.append(src)
else:
scan_queue = args.ids
# Broadcast ask for config
configs = utils.write_command_retry(connection,
commands.encode_read_config(),
scan_queue)
for id, raw_config in configs.items():
configs[id] = msgpack.unpackb(raw_config, encoding="ascii")
print(json.dumps(configs, indent=4, sort_keys=True))
def main():
args = parse_commandline_args()
connection = utils.open_connection(args)
if args.all:
scan_queue = list()
# Broadcast ping
utils.write_command(connection, commands.encode_ping(), list(range(1, 128)))
reader = utils.read_can_datagrams(connection)
while True:
dt = next(reader)
if dt is None: # Timeout
break
_, _, src = dt
scan_queue.append(src)
else:
scan_queue = args.ids
# Broadcast ask for config
configs = utils.write_command_retry(connection,
commands.encode_read_config(),
scan_queue)
for id, raw_config in configs.items():
configs[id] = msgpack.unpackb(raw_config, encoding='ascii')
print(json.dumps(configs, indent=4, sort_keys=True))
def check_online_boards(fdesc, boards):
"""
Returns a set containing the online boards.
"""
online_boards = set()
utils.write_command(fdesc, commands.encode_ping(), boards)
reader = utils.read_can_datagrams(fdesc)
for dt in reader:
if dt is None:
break
_, _, src = dt
online_boards.add(src)
return online_boards
def ping_board(fdesc, destination):
"""
Checks if a board is up.
Returns True if it is online, false otherwise.
"""
write_command(fdesc, commands.encode_ping(), [destination])
reader = read_can_datagrams(fdesc)
answer = next(reader)
# Timeout
if answer is None:
return False
return True
def ping_board(fdesc, destination):
"""
Checks if a board is up.
Returns True if it is online, false otherwise.
"""
write_command(fdesc, commands.encode_ping(), [destination])
reader = read_can_datagrams(fdesc)
answer = next(reader)
# Timeout
if answer is None:
return False
return True
def test_sends_correct_command(self, write_command, read_datagram):
port = object()
ping_board(port, 1)
write_command.assert_any_call(port, commands.encode_ping(), [1])
def test_sends_correct_command(self, write_command, read_datagram):
port = object()
ping_board(port, 1)
write_command.assert_any_call(port, commands.encode_ping(), [1])