88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
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#!/usr/bin/env python
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# Meshtastic MQTT Interface - Developed by Acidvegas in Python (https://git.acid.vegas/meshtastic)
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import base64
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import random
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try:
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from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
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from cryptography.hazmat.backends import default_backend
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except ImportError:
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raise ImportError('cryptography library not found (pip install cryptography)')
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try:
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from meshtastic import mesh_pb2, mqtt_pb2, portnums_pb2, telemetry_pb2
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except ImportError:
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raise ImportError('meshtastic library not found (pip install meshtastic)')
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try:
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import paho.mqtt.client as mqtt
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except ImportError:
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raise ImportError('paho-mqtt library not found (pip install paho-mqtt)')
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# MQTT Configuration
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MQTT_BROKER = 'localhost'
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MQTT_PORT = 1883
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MQTT_USERNAME = 'username'
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MQTT_PASSWORD = 'password'
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MQTT_ROOT_TOPIC = 'msh/US/2/c/'
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CHANNEL_KEY = 'channel_key'
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def on_connect(client, userdata, flags, rc, properties):
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'''
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Callback for when the client receives a CONNACK response from the server.
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:param client: The client instance for this callback
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:param userdata: The private user data as set in Client() or user_data_set()
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:param flags: Response flags sent by the broker
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:param rc: The connection result
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:param properties: The properties returned by the broker
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'''
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if rc == 0:
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print('Connected to MQTT broker')
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else:
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print(f"Failed to connect to MQTT broker with result code {str(rc)}")
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def on_message(client, userdata, msg):
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'''
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Callback for when a PUBLISH message is received from the server.
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:param client: The client instance for this callback
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:param userdata: The private user data as set in Client() or user_data_set()
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:param msg: An instance of MQTTMessage. This is a class with members topic, payload, qos, retain.
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'''
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service_envelope = mqtt_pb2.ServiceEnvelope()
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try:
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service_envelope.ParseFromString(msg.payload)
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print(service_envelope)
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message_packet = service_envelope.packet
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print(message_packet)
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except Exception as e:
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print(f'error on message: {e}')
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else:
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if message_packet.HasField('encrypted') and not message_packet.HasField('decoded'): # Do we need to check for both?
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pass # Need to finish this
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if __name__ == '__main__':
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client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2)
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client.on_connect = on_connect
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client.username_pw_set(username=MQTT_USERNAME, password=MQTT_PASSWORD)
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client.connect(MQTT_BROKER, MQTT_PORT, 60)
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client.on_message = on_message
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client.subscribe(MQTT_ROOT_TOPIC, 0) # This is the topic that the Meshtastic device is publishing to
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# Keep-alive loop
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while client.loop() == 0:
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pass
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