def client(self):
LOGGER.debug('connecting to server %s:%s', self._host, self._port)
try:
stream = yield tcpclient.TCPClient().connect(self._host, self._port)
except socket.error:
LOGGER.error('failed to connect')
self.close()
return
while not stream.closed():
try:
res = yield stream.read_bytes(NUM_START_BYTES)
except iostream.StreamClosedError:
self.close()
return
tag, length = struct.unpack('>BB', res)
if length > 0:
try:
value = yield stream.read_bytes(length)
r, g, b = struct.unpack('BBB', value)
except iostream.StreamClosedError:
LOGGER.warning('connection closed in the middle of command')
self.close()
return
value = (r, g, b)
else:
value = None
LOGGER.debug('got message %s %s %s', tag, length, repr(value))
self.execute_command(tag, value)
print(self.lamp.draw())
def handle_stream(self, stream, address):
LOGGER.info('torch %s connected', address)
for _ in range(20):
msg = random.choice([
struct.pack('>BB', 18, 0),
struct.pack('>BB', 19, 0),
struct.pack('>BBBBB', 32, 3, random.randint(0, 250), random.randint(0, 250), random.randint(0, 250))
])
try:
stream.write(msg)
except iostream.StreamClosedError:
LOGGER.warning(
'connection with %s closed unexpectedly', address)
return
time.sleep(.5)
LOGGER.info('closing connection with %s', address)
