def test_stream_3(self):
data1 = [0, 0, 0, 0, 0, 0, 0, 0, 0]
data2 = bytes(data1)
data3 = debug_data(data2)
stream = easyb.message.stream.Stream(Length.Byte9)
self.assertIsNotNone(stream)
self.assertEqual(stream.len, 9)
self.assertIs(stream.length, Length.Byte9)
self.assertEqual(stream.data, data1)
self.assertEqual(stream.bytes, data2)
self.assertEqual(repr(stream), data3)
self.assertEqual(str(stream), data3)
return
def default_command(self, message: Message):
logging = debug_data(message.stream.bytes)
easyb.log.inform(self.name, logging)
return True
def receive(self) -> Union[None, Message]:
try:
header = self.serial.read(3)
except serial.SerialException as e:
easyb.log.error("Problem during reading of message header!")
easyb.log.exception(e)
return None
debug = debug_data(header)
easyb.log.debug1("SERIAL", "Header: {0:s}".format(debug))
message = Message()
check = message.decode(header)
if check is False:
return None
message.info("RECEIVE")
if message.code == 5:
easyb.log.warn(self.name, "Command not supported!")
return None
number = 0
if message.length is Length.Byte6:
number = 3
if message.length is Length.Byte9:
number = 6
if message.length is Length.Variable:
number = -1
if number == 0:
easyb.log.warn(self.name, "Message body has no size!")
message.data = header
return message
if number == -1:
easyb.log.warn(self.name, "Message body is variable!")
data = self.read_unit_timeout()
else:
try:
data = self.serial.read(number)
except serial.SerialException as e:
easyb.log.error("Problem during reading of message body!")
easyb.log.exception(e)
return None
stream = message.stream
debug = debug_data(data)
easyb.log.debug1("SERIAL", "{0:s}: {1:s}".format(message.length.name, debug))
check = stream.append(data)
if check is False:
return None
stream.length = message.length
check = stream.verify_length()
if check is False:
return None
return message
def __repr__(self):
return debug_data(self.bytes)