#!/usr/bin/env python3
""" Listen for mqtt-events, and trigger for some """
import json
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")
tempsensors = [
"Bad Temp",
"Barnerom Temp",
"Isobod Temp",
"Kjøkken Temp Matskap",
"Kontor Temp",
"Loft Temp",
"Soverom Temp",
"Stue Temp Display",
"Stue Temp Stuebord",
"Stue Temp Teleskap",
"Toalett motion",
"Utebod Temp",
"Vaskerom Temp",
]
# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
print("Connected with result code " + str(rc))
# Subscribing in on_connect() means that if we lose the connection and
# reconnect then subscriptions will be renewed.
client.subscribe(mqtt_topic)
# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
name = msg.topic.split("/")[1]
data = json.loads(msg.payload)
if 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(),
)
common.dbi(sql, values, verbose=True)
if name in tempsensors:
if "temperature" in data:
common.statein(name, data["temperature"], "temperature", "°C", verbose=True)
if "humidity" in data:
common.statein(name, data["humidity"], "humidity", "%", 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()
