1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#!/usr/bin/env python3
""" Listen for mqtt-events, and trigger for some """
from datetime import datetime
import common
import paho.mqtt.client as mqtt
mqtt_server = common.env("el_mqtt_server")
mqtt_port = int(common.env("el_mqtt_port"))
keepalive = int(common.env("el_mqtt_keepalive"))
mqtt_topic = common.env("el_mqtt_topic")
mqtt_user = common.env("el_mqtt_user")
mqtt_pass = common.env("el_mqtt_pass")
# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
print(f"Connected with result code {rc}")
# Subscribing in on_connect() means that if we lose the connection and
# reconnect then subscriptions will be renewed.
client.subscribe("#")
# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
print(msg.topic, datetime.utcnow(), msg.payload)
# if name.startswith('tmp') and 'temperature' in data and 'humidity' in data:
# sql = "INSERT INTO mqtt_temps (name, temperature, humidity, battery, linkquality, voltage, time) VALUES(%s,%s,%s,%s,%s,%s,%s)"
# values = (name, data['temperature'], data['humidity'], data['battery'], data['linkquality'], data['voltage'], datetime.utcnow())
# elif name == 'HAN' and 'current' in data:
# sql = "INSERT INTO mqtt_han (name, current, power, voltage, linkquality, time) VALUES(%s,%s,%s,%s,%s,%s)"
# values = (name, data['current'], data['power'], data['voltage'], data['linkquality'], datetime.utcnow())
# else:
# return
# common.dbi(sql, values, verbose=True)
# mqtt
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.username_pw_set(mqtt_user, password=mqtt_pass)
client.connect(mqtt_server, mqtt_port, keepalive)
# Blocking call that processes network traffic, dispatches callbacks and
# handles reconnecting.
# Other loop*() functions are available that give a threaded interface and a
# manual interface.
client.loop_forever()
|
