obus/debugging_tool/server.py

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from threading import Thread
from flask import Flask, jsonify, send_file
from time import sleep
from dataclasses import dataclass
from datetime import datetime
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import serial
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app = Flask(__name__)
shared_message_log = []
@dataclass
class Message:
payload: bytes
received_from: int
received_at: datetime
internal_id: int
def readable_time(self):
return self.received_at.strftime('%H:%M:%S')
def priority_bit(self):
return (self.received_from >> 10) & 0b1
def sender_type(self):
return (self.received_from >> 8) & 0b11
def sender_id(self):
return (self.received_from >> 0) & 0b1111_1111
def human_readable_type(self):
return ['controller', 'puzzle', 'needy', 'RESERVED TYPE'][self.sender_type()]
def _parse_state_update(self):
timeleft = self.payload[1] << 0x18 | self.payload[2] << 0x10 | self.payload[3] << 0x08 | self.payload[4]
strikes = self.payload[5]
max_strikes = self.payload[6]
return f'{timeleft/1000:3.2f} {strikes:02}/{max_strikes:02}'
def parse_message(self):
sender_type = self.sender_type()
message_type = self.payload[0]
if sender_type == 0b00: # controller
if message_type == 0:
return "ACK"
elif message_type == 1:
return "HELLO"
elif message_type == 2:
return "START " + self._parse_state_update()
elif message_type == 3:
return "STATE " + self._parse_state_update()
elif message_type == 4:
return "SOLVED " + self._parse_state_update()
elif message_type == 5:
return "TIMEOUT " + self._parse_state_update()
elif message_type == 6:
return "STRIKEOUT " + self._parse_state_update()
elif sender_type == 0b01: # puzzle
if message_type == 0:
return "REGISTER"
elif message_type == 1:
return f"STRIKE {self.payload[5]}"
elif message_type == 2:
return f"SOLVED"
else:
return f"PARSE ERROR {self.received_from:011b} {self.payload.hex(' ')}"
def serialize(self):
return {
'time': self.readable_time(),
'parsed': self.parse_message(),
'pretty_raw_sender_id': f'{self.priority_bit():01b} {self.sender_type():02b} {self.sender_id():08b}',
'raw_message': f"{self.payload.hex(' ')}",
'human_readable_type': self.human_readable_type(),
'sender_id': self.sender_id(),
'internal_id': self.internal_id
}
def serial_reader(messagelog):
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with serial.Serial('/dev/ttyACM0', 115200, timeout=10) as ser:
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while True:
line = ser.readline()
print(line.decode('ascii'))
if line.startswith(b"message"):
line = line.decode('ascii')
line = line.strip()
parts = line.split(' ')
sender = int(parts[1])
message = bytes(int(p) for p in parts[2:])
received = Message(message, sender, datetime.now(), len(messagelog))
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messagelog.append(received.serialize())
print(len(messagelog))
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@app.route('/')
def index():
return send_file('static/index.html')
@app.route('/api.json')
def api():
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return jsonify(shared_message_log)
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if __name__ == '__main__':
thread = Thread(target=serial_reader, args=(shared_message_log, ))
thread.start()
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app.run(debug=True, host='0.0.0.0')