def handle_placement(self, msg):
if self.strategy is None:
emsg = 'no dll loaded'
logging.error(emsg)
self.send_error(0, emsg)
else:
logging.info("executing func `Placement`")
self.strategy.dll_placement(msg.env)
finfo = PlacementInfo(env=msg.env)
respmsg = message.make_msg(message.MSG_placementinfo,
None,
placementinfo=finfo)
self.conn.send_msg(respmsg)
def handle_strategy(self, msg):
if self.strategy is None:
emsg = 'no dll loaded'
logging.error(emsg)
self.send_error(0, "no dll loaded")
else:
logging.info("executing func `Strategy`")
self.strategy.dll_strategy(msg.env)
wheelinfo = WheelInfo(robot_list=msg.env.home)
respmsg = message.make_msg(message.MSG_wheelinfo,
None,
wheelinfo=wheelinfo)
self.conn.send_msg(respmsg)
print("ex: python3 client.py 127.0.0.1 8080\n")
exit()
IP_address = str(sys.argv[1])
port = int(sys.argv[2])
UDP_port = 8081 # UDP port fixed
client_id = random.randrange(1000, 4001)
#wait for the client to type "Log on" to be connected
while (sys.stdin.readline() != "Log on\n"):
{}
# create a UDP connection for the intial handshake with server
handshake = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # UDP connection
# send HELLO(clientID_A) message to server using UDP to begin connection
msg = message.make_msg("HELLO", *[str(client_id)])
handshake.sendto(msg.encode(), (IP_address, UDP_port))
handshake.close()
# creates TCP connection with chat server after handshake is complete
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.connect((IP_address, port))
while True:
# select() does not work on stdin on windows
sockets_list = [sys.stdin, server]
read_sockets, write_socket, error_socket = select.select(
sockets_list, [], [])
# receive and display messages, if any. Otherwise, read from stdin
for socks in read_sockets:
def handle_ping(self, msg):
logging.info('get ping, replying pong')
self.conn.send_msg(message.make_msg(message.MSG_pong, None))
def send_error(self, errcode, errdesc):
msg = message.make_msg(message.MSG_error,
None,
errcode=errcode,
errdesc=errdesc)
self.conn.send_msg(msg)
def send_fin(self):
self.conn.send_msg(message.make_msg(message.MSG_fin, None))