def handle(self):
while True:
data = self.request.recv(1024)
if not data:
break
print('raw data received:', data)
message = decode(data)
print('decoded data:', message)
data_to_send = encode(bytes(reversed(message)))
print('raw data to send:', data_to_send)
self.request.sendall(data_to_send)
UDP_IP = "192.168.32.13"
#UDP_IP="127.0.0.1"
UDP_PORT = 5566
print("Connecting to " + dev)
ser = serial.Serial(dev, 115200, timeout=0.01)
sock = socket.socket(
socket.AF_INET, # Internet
socket.SOCK_DGRAM) # UDP
while True:
try:
data = ser.read(128)
decoded = sliplib.decode(data)
sock.sendto(decoded, (UDP_IP, UDP_PORT))
# print(decoded)
except sliplib.ProtocolError as err:
# print("protocol error: {0}".format(err))
pass
except serial.SerialException as err:
print("error reading {0} error: {1}".format(ser.port, err))
quit()
pass
except socket.error as err:
# print("socket error: {0}".format(err))
pass
except Exception as err:
print("generic error: {0}".format(err))
quit()
def test_message_with_zero_byte_decoding(self):
"""A packet that contains a NULL byte must be decoded correctly."""
msg = b'a\0b'
packet = END + msg + END
assert decode(packet) == msg
def test_special_character_decoding(self, packet, msg):
"""A packet with special escape sequences should result in a message with the appropriate special bytes."""
packet = END + packet + END
assert decode(packet) == msg
def test_single_byte_decoding(self):
"""A packet with a single byte between END bytes must be decoded correctly."""
msg = b'x'
packet = END + msg + END
assert decode(packet) == msg
def test_simple_message_decoding(self):
"""A packet without the special escape sequences should result in a message without special bytes."""
msg = b'hallo'
packet = END + msg + END
assert decode(packet) == msg
def test_empty_packet_decoding(self):
"""An empty packet should result in an empty message."""
packet = END + END
assert decode(packet) == b''
def test_invalid_packet_raises_protocol_error(self, packet):
"""A packet with an invalid escape sequence should result in a ProtocolError."""
packet = END + packet + END
with pytest.raises(ProtocolError) as exc_info:
decode(packet)
assert exc_info.value.args == (packet, )
import serial
import socket
import glob
UDP_IP = "192.168.32.13"
UDP_PORT = 5566
serial_ports = list()
for dev in glob.glob("/dev/ttyUSB*"):
print("Connect to " + dev)
serial_ports.append(serial.Serial(dev, 115200, timeout=0.01))
sock = socket.socket(
socket.AF_INET, # Internet
socket.SOCK_DGRAM) # UDP
print("Start reading...")
while True:
for ser in serial_ports:
try:
# print("read " + ser.port)
data = ser.read(128)
decoded = decode(data)
sock.sendto(decoded, (UDP_IP, UDP_PORT))
# print(decoded)
except:
# nothing
pass