def test_stop_before_start(self): def read_func(): pass def write_func(): pass hdlc_c = HDLController(read_func, write_func) hdlc_c.stop()
def test_send_frame_and_receive_nack(self):
def read_func():
return frame_data('', FRAME_NACK, 0)
def write_func(data):
write_func.data = data
write_func.data = None
hdlc_c = HDLController(read_func, write_func)
hdlc_c.send('test')
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test', FRAME_DATA, 0))
self.assertEqual(hdlc_c.get_senders_number(), 1)
hdlc_c.start()
sleep(1)
self.assertEqual(hdlc_c.get_senders_number(), 1)
hdlc_c.stop()
def test_receive_three_frames(self):
def read_func():
data = frame_data('test' + str(read_func.i), FRAME_DATA, read_func.i)
read_func.i += 1
return data
def write_func(data):
pass
read_func.i = 1
hdlc_c = HDLController(read_func, write_func)
hdlc_c.start()
self.assertEqual(hdlc_c.get_data(), b'test1')
self.assertEqual(hdlc_c.get_data(), b'test2')
self.assertEqual(hdlc_c.get_data(), b'test3')
hdlc_c.stop()
def test_receive_one_frame(self):
def read_func():
return frame_data('test', FRAME_DATA, 0)
def write_func(data):
write_func.data = data
write_func.data = None
hdlc_c = HDLController(read_func, write_func)
hdlc_c.start()
self.assertEqual(hdlc_c.get_data(), b'test')
self.assertEqual(write_func.data, frame_data('', FRAME_ACK, 1))
hdlc_c.stop()
def test_send_one_frame(self):
def read_func():
pass
def write_func(data):
write_func.data = data
write_func.data = None
hdlc_c = HDLController(read_func, write_func)
hdlc_c.send('test')
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test', FRAME_DATA, 0))
self.assertEqual(hdlc_c.get_senders_number(), 1)
hdlc_c.stop()
def test_send_three_frames_and_wait_timeout(self):
def read_func():
pass
def write_func(data):
write_func.data = data
write_func.data = None
hdlc_c = HDLController(read_func, write_func, sending_timeout=5)
hdlc_c.send('test1')
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test1', FRAME_DATA, 0))
self.assertEqual(hdlc_c.get_senders_number(), 1)
write_func.data = None
sleep(1)
hdlc_c.send('test2')
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test2', FRAME_DATA, 1))
self.assertEqual(hdlc_c.get_senders_number(), 2)
write_func.data = None
sleep(1)
hdlc_c.send('test3')
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test3', FRAME_DATA, 2))
self.assertEqual(hdlc_c.get_senders_number(), 3)
write_func.data = None
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test1', FRAME_DATA, 0))
self.assertEqual(hdlc_c.get_senders_number(), 3)
write_func.data = None
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test2', FRAME_DATA, 1))
self.assertEqual(hdlc_c.get_senders_number(), 3)
write_func.data = None
while write_func.data == None: pass
self.assertEqual(write_func.data, frame_data('test3', FRAME_DATA, 2))
self.assertEqual(hdlc_c.get_senders_number(), 3)
hdlc_c.stop()
# Serial port configuration
ser = serial.Serial()
ser.port = getenv('LAYS_SERIAL_PORT', '/dev/ttyACM0')
ser.baudrate = int(getenv('LAYS_SERIAL_BAUDRATE', '9600'))
ser.timeout = int(getenv('LAYS_SERIAL_TIMEOUT', '0'))
# Device resources
device_resources = dict()
device_resources['resources'] = list()
def read_serial():
return ser.read(ser.inWaiting())
# HDLC controller
hdlc_c = HDLController(read_serial, ser.write)
def device_request(ch, method, properties, body):
message = json.loads(body.decode())
try:
address = message['address']
action = message['action']
if action == 'read':
stdout.write('[*] New read request @{0}\n'.format(address))
elif action == 'write':
value = message['value']
stdout.write('[*] New write request @{0} : {1}\n'.format(address, value))
except KeyError:
stderr.write('[x] Bad request :\n\t=> {0}\n'.format(message))
