78 lines
3.3 KiB
Python
78 lines
3.3 KiB
Python
from MAXCube import MAXCube
|
|
from MAXPacket import MAXPacket, MAXPacketFactory, MAXPairPingPacket, MAXPairPongPacket, MAXAckPacket, \
|
|
MAXResetPacket, MAXWakeUpPacket, MAXSetGroupIdPacket
|
|
|
|
from time import sleep
|
|
from enum import Enum
|
|
|
|
|
|
class HandshakeState(Enum):
|
|
PING_RECEIVED = 1
|
|
PONG_SENT = 2
|
|
PONG_ACK = 3
|
|
GROUP_ID_SENT = 4
|
|
GROUP_ID_ACK = 5
|
|
|
|
|
|
class Handshake:
|
|
def __init__(self, partner_addr, dev_type):
|
|
self.partner_addr = partner_addr
|
|
self.dev_type = dev_type
|
|
self.state: HandshakeState = HandshakeState.PING_RECEIVED
|
|
|
|
|
|
class MAXPacketHandler:
|
|
def __init__(self, cube: MAXCube):
|
|
self.cube = cube
|
|
self.quit_flag = False
|
|
self.handshakes = []
|
|
|
|
def handle_msg(self, pkt: MAXPacket):
|
|
print(pkt.to_string())
|
|
if pkt.dest_address == self.cube.addr or pkt.dest_address == "000000":
|
|
if isinstance(pkt, MAXPairPingPacket):
|
|
handshake = Handshake(pkt.sender_address, pkt.device_type)
|
|
self.handshakes.append(handshake)
|
|
pong = MAXPairPongPacket(message_counter="00", message_flag="00", sender_address=self.cube.addr,
|
|
dest_address=pkt.sender_address, group_id="00")
|
|
pong_str = pong.serialize()
|
|
print(pong.to_string())
|
|
self.cube.request(pong_str)
|
|
handshake.state = HandshakeState.PONG_SENT
|
|
elif isinstance(pkt, MAXAckPacket):
|
|
cur_handshake: Handshake = None
|
|
for handshake in self.handshakes:
|
|
if handshake.partner_addr == pkt.sender_address:
|
|
cur_handshake = handshake
|
|
break
|
|
if cur_handshake is not None:
|
|
if cur_handshake.state == HandshakeState.PONG_SENT:
|
|
cur_handshake.state = HandshakeState.PONG_ACK
|
|
print(pkt.to_string())
|
|
if cur_handshake.dev_type == "05":
|
|
# Handshake is finished
|
|
print("Paired device with addr={} and type={}".format(cur_handshake.partner_addr,
|
|
cur_handshake.dev_type))
|
|
self.handshakes.remove(cur_handshake)
|
|
else:
|
|
set_group_id = MAXSetGroupIdPacket(message_counter="00", message_flag="00", sender_address=self.cube.addr,
|
|
dest_address=pkt.sender_address, group_id="00")
|
|
set_group_id_str = set_group_id.serialize()
|
|
print(set_group_id_str)
|
|
self.cube.request(set_group_id_str)
|
|
cur_handshake.state = HandshakeState.GROUP_ID_SENT
|
|
if cur_handshake.state == HandshakeState.GROUP_ID_SENT:
|
|
cur_handshake.state = HandshakeState.GROUP_ID_ACK
|
|
|
|
else:
|
|
print("Paket is not ours!")
|
|
|
|
def receive_loop(self):
|
|
while not self.quit_flag and self.cube.is_connected():
|
|
resp = self.cube.response()
|
|
if resp is not None and resp[0:1] == "Z":
|
|
pkt = MAXPacketFactory.create_packet(resp)
|
|
self.handle_msg(pkt)
|
|
|
|
|
|
sleep(0.1) |