Added logging and cleaned up output now that debugging is done
This commit is contained in:
parent
3bfb328b9b
commit
58c36bf243
GPG Key ID:
EF4B922DB85DC9DE
77
meshmqtt.py
77
meshmqtt.py
@ -22,15 +22,8 @@ except ImportError:
|
||||
raise SystemExit('missing the paho-mqtt module (pip install paho-mqtt)')
|
||||
|
||||
|
||||
def process_message(message_packet, text_payload, is_encrypted):
|
||||
|
||||
text = {
|
||||
'message': text_payload,
|
||||
'from': getattr(message_packet, 'from'),
|
||||
'id': getattr(message_packet, 'id'),
|
||||
'to': getattr(message_packet, 'to')
|
||||
}
|
||||
print(text)
|
||||
# Initialize the logging module
|
||||
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s', datefmt='%Y-%m-%d %I:%M:%S')
|
||||
|
||||
|
||||
def decode_encrypted(message_packet):
|
||||
@ -57,53 +50,37 @@ def decode_encrypted(message_packet):
|
||||
|
||||
if message_packet.decoded.portnum == portnums_pb2.TEXT_MESSAGE_APP:
|
||||
text_payload = message_packet.decoded.payload.decode('utf-8')
|
||||
is_encrypted = True
|
||||
process_message(message_packet, text_payload, is_encrypted)
|
||||
print(f'{text_payload}')
|
||||
|
||||
text = {
|
||||
'message' : text_payload,
|
||||
'from' : getattr(message_packet, 'from'),
|
||||
'id' : getattr(message_packet, 'id'),
|
||||
'to' : getattr(message_packet, 'to')
|
||||
}
|
||||
logging.info('Received text message:')
|
||||
logging.info(text)
|
||||
|
||||
elif message_packet.decoded.portnum == portnums_pb2.NODEINFO_APP:
|
||||
info = mesh_pb2.User()
|
||||
info.ParseFromString(message_packet.decoded.payload)
|
||||
print(info)
|
||||
logging.info('Received node info:')
|
||||
logging.info(info)
|
||||
|
||||
elif message_packet.decoded.portnum == portnums_pb2.POSITION_APP:
|
||||
pos = mesh_pb2.Position()
|
||||
pos.ParseFromString(message_packet.decoded.payload)
|
||||
print(pos)
|
||||
logging.info('Received position:')
|
||||
logging.info(pos)
|
||||
|
||||
elif message_packet.decoded.portnum == portnums_pb2.TELEMETRY_APP:
|
||||
env = telemetry_pb2.Telemetry()
|
||||
env.ParseFromString(message_packet.decoded.payload)
|
||||
print(env)
|
||||
logging.info('Received telemetry:')
|
||||
logging.info(env)
|
||||
|
||||
except Exception as e:
|
||||
logging.error(f'Failed to decrypt message: {str(e)}')
|
||||
|
||||
|
||||
def encrypt_message(channel, key, mesh_packet, encoded_message):
|
||||
'''
|
||||
Encrypt a message packet.
|
||||
|
||||
:param channel: The channel to encrypt the message for
|
||||
:param key: The encryption key
|
||||
:param mesh_packet: The mesh packet to encrypt
|
||||
:param encoded_message: The encoded message to encrypt
|
||||
'''
|
||||
|
||||
mesh_packet.channel = generate_hash(channel, key)
|
||||
key_bytes = base64.b64decode(key.encode('ascii'))
|
||||
nonce_packet_id = mesh_packet.id.to_bytes(8, "little")
|
||||
nonce_from_node = node_number.to_bytes(8, "little")
|
||||
nonce = nonce_packet_id + nonce_from_node
|
||||
|
||||
cipher = Cipher(algorithms.AES(key_bytes), modes.CTR(nonce), backend=default_backend())
|
||||
encryptor = cipher.encryptor()
|
||||
encrypted_bytes = encryptor.update(encoded_message.SerializeToString()) + encryptor.finalize()
|
||||
|
||||
return encrypted_bytes
|
||||
|
||||
|
||||
def on_connect(client, userdata, flags, rc, properties):
|
||||
'''
|
||||
Callback for when the client receives a CONNACK response from the server.
|
||||
@ -116,7 +93,7 @@ def on_connect(client, userdata, flags, rc, properties):
|
||||
'''
|
||||
|
||||
if rc == 0:
|
||||
print('Connected to MQTT broker')
|
||||
logging.info('Connected to MQTT broker')
|
||||
else:
|
||||
logging.error(f'Failed to connect to MQTT broker: {rc}')
|
||||
|
||||
@ -130,21 +107,22 @@ def on_message(client, userdata, msg):
|
||||
:param msg: An instance of MQTTMessage. This is a
|
||||
'''
|
||||
|
||||
print(f'{msg.topic}: {msg.payload}')
|
||||
|
||||
service_envelope = mqtt_pb2.ServiceEnvelope()
|
||||
|
||||
try:
|
||||
service_envelope.ParseFromString(msg.payload)
|
||||
print(service_envelope)
|
||||
logging.info('Received a packet:')
|
||||
logging.info(service_envelope)
|
||||
message_packet = service_envelope.packet
|
||||
print(message_packet)
|
||||
except Exception as e:
|
||||
#logging.error(f'Failed to parse message: {str(e)}')
|
||||
return
|
||||
|
||||
if message_packet.HasField('encrypted') and not message_packet.HasField('decoded'):
|
||||
decode_encrypted(message_packet)
|
||||
else:
|
||||
logging.warning('Received an unencrypted message')
|
||||
logging.info(f'Payload: {message_packet}')
|
||||
|
||||
|
||||
def on_subscribe(client, userdata, mid, reason_code_list, properties):
|
||||
@ -158,12 +136,11 @@ def on_subscribe(client, userdata, mid, reason_code_list, properties):
|
||||
:param properties: The properties returned by the broker
|
||||
'''
|
||||
|
||||
# Since we subscribed only for a single channel, reason_code_list contains
|
||||
# a single entry
|
||||
# Since we subscribed only for a single channel, reason_code_list contains a single entry
|
||||
if reason_code_list[0].is_failure:
|
||||
print(f"Broker rejected you subscription: {reason_code_list[0]}")
|
||||
logging.error(f'Broker rejected you subscription: {reason_code_list[0]}')
|
||||
else:
|
||||
print(f"Broker granted the following QoS: {reason_code_list[0].value}")
|
||||
logging.info(f'Broker granted the following QoS: {reason_code_list[0].value}')
|
||||
|
||||
|
||||
def on_unsubscribe(client, userdata, mid, reason_code_list, properties):
|
||||
@ -180,9 +157,9 @@ def on_unsubscribe(client, userdata, mid, reason_code_list, properties):
|
||||
# Be careful, the reason_code_list is only present in MQTTv5.
|
||||
# In MQTTv3 it will always be empty
|
||||
if len(reason_code_list) == 0 or not reason_code_list[0].is_failure:
|
||||
print("unsubscribe succeeded (if SUBACK is received in MQTTv3 it success)")
|
||||
logging.info('Broker accepted the unsubscription(s)')
|
||||
else:
|
||||
print(f"Broker replied with failure: {reason_code_list[0]}")
|
||||
logging.error(f'Broker replied with failure: {reason_code_list[0]}')
|
||||
client.disconnect()
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user