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_C002_DomoMQTT.py
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_C002_DomoMQTT.py
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#!/usr/bin/env python3
#############################################################################
################## Domoticz MQTT controller for RPIEasy #####################
#############################################################################
#
# Two way MQTT communication with Domoticz server. (Plugins that implements
# plugin_receivedata() function will receive commands if they register the
# appropriate IDX)
#
# Copyright (C) 2018-2019 by Alexander Nagy - https://bitekmindenhol.blog.hu/
#
import controller
import paho.mqtt.client as mqtt
import json
import misc
import rpieGlobals
import time
import re
import webserver
import commands
from helper_domoticz import *
class Controller(controller.ControllerProto):
CONTROLLER_ID = 2
CONTROLLER_NAME = "Domoticz MQTT"
def __init__(self,controllerindex):
controller.ControllerProto.__init__(self,controllerindex)
self.usesID = True
self.onmsgcallbacksupported = True
self.controllerport = 1883
self.inchannel = "domoticz/in"
self.outchannel = "domoticz/out" # webformload?
self.mqttclient = None
self.lastreconnect = 0
self.usesAccount = True
self.usesPassword = True
self.usesMQTT = True
def controller_init(self,enablecontroller=None):
if enablecontroller != None:
self.enabled = enablecontroller
self.initialized = True
if self.enabled:
self.mqttclient = DMQTTClient()
self.mqttclient.subscribechannel = self.outchannel
self.mqttclient.controllercb = self.on_message
self.connect()
else:
self.disconnect()
return True
def connect(self):
if self.enabled and self.initialized:
if self.mqttclient.connected:
self.disconnect()
self.lastreconnect = time.time()
if self.controlleruser!="" or self.controllerpassword!="":
self.mqttclient.username_pw_set(username=self.controlleruser,password=self.controllerpassword)
try:
self.mqttclient.connect_async(self.controllerip,int(self.controllerport))
self.mqttclient.loop_start()
except:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MQTT controller: "+self.controllerip+" connection failed")
return self.mqttclient.connected
def disconnect(self):
try:
self.mqttclient.loop_stop(True)
self.mqttclient.disconnect()
except:
pass
return self.mqttclient.connected
def isconnected(self):
res = False
if self.enabled and self.initialized:
if self.mqttclient:
try:
res = self.mqttclient.connected
except:
res = False
return res
def webform_load(self): # create html page for settings
webserver.addFormTextBox("Controller Publish","inchannel",self.inchannel,255)
webserver.addFormTextBox("Controller Subscribe","outchannel",self.outchannel,255)
return True
def webform_save(self,params): # process settings post reply
self.inchannel = webserver.arg("inchannel",params)
self.outchannel = webserver.arg("outchannel",params)
return True
def on_message(self, msg):
msg2 = msg.payload.decode('utf-8')
list = []
if ('{' in msg2):
try:
list = json.loads(msg2)
except Exception as e:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"JSON decode error:"+str(e)+str(msg2))
list = []
if (list) and (len(list)>0):
try:
if list['Type'] == "Scene": # not interested in scenes..
return False
except:
pass
devidx = -1
nvalue = "0"
svalue = ""
decodeerr = False
tval = [-1,-1,-1,-1]
try:
devidx = str(list['idx']).strip()
except:
devidx = -1
decodeerr = True
try:
nvalue = str(list['nvalue']).strip()
except:
nvalue = "0"
decodeerr = True
try:
svalue = str(list['svalue']).strip()
except:
svalue = ""
if (';' in svalue):
tval = svalue.split(';')
tval2 = []
for x in range(1,4):
sval = ""
try:
sval = str(list['svalue'+str(x)]).strip()
except:
sval = ""
if sval!="":
tval2.append(sval)
if len(tval2)==1 and svalue=="":
svalue=tval2[0]
else:
for y in range(len(tval2)):
matches = re.findall('[0-9]', tval2[y])
if len(matches) > 0:
tval[y] = tval2[y]
forcesval1 = False
try:
if list['switchType'] == "Selector":
forcesval1 = True
except:
forcesval1 = False
if (tval[0] == -1) or (tval[0] == ""):
if (float(nvalue)==0 and svalue.lower()!="off" and svalue!="") or (forcesval1):
tval[0] = str(svalue)
else:
tval[0] = str(nvalue)
if decodeerr:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"JSON decode error: "+msg2)
else:
self.onmsgcallbackfunc(self.controllerindex,devidx,tval)
def senddata(self,idx,sensortype,value,userssi=-1,usebattery=-1,tasknum=-1,changedvalue=-1):
if self.enabled:
mStates = ["Off","On"]
# domomsg = '{{ "idx": {0}, "nvalue": {1:0.2f}, "svalue": "{2}" }}'
domomsgw = '{{ "idx": {0}, "nvalue": {1:0.2f}, "svalue": "{2}", "RSSI": {3} }}'
domomsgwb = '{{ "idx": {0}, "nvalue": {1:0.2f}, "svalue": "{2}", "RSSI": {3}, "Battery": {4} }}'
domosmsgw = '{{"command": "switchlight", "idx": {0}, "switchcmd": "Set Level", "level":"{1}", "RSSI": {2} }}'
domosmsgwb = '{{"command": "switchlight", "idx": {0}, "switchcmd": "Set Level", "level":"{1}", "RSSI": {2}, "Battery": {3} }}'
if self.isconnected():
if int(idx) > 0:
if usebattery != -1 and usebattery != 255:
bval = usebattery
else:
bval = misc.get_battery_value()
msg = ""
if (int(sensortype)==rpieGlobals.SENSOR_TYPE_SWITCH):
try:
stateid = int(round(value[0]))
except:
stateid = 0
if stateid<0:
stateid = 0
if stateid>1:
stateid = 1
msg = domomsgwb.format(str(idx), int(stateid), mStates[stateid], mapRSSItoDomoticz(userssi),str(bval))
elif (int(sensortype)==rpieGlobals.SENSOR_TYPE_DIMMER):
msg = domosmsgwb.format(str(idx), str(value[0]), mapRSSItoDomoticz(userssi),str(bval))
else:
msg = domomsgwb.format(str(idx), 0, formatDomoticzSensorType(sensortype,value), mapRSSItoDomoticz(userssi),str(bval))
# print(msg) #DEBUG
self.mqttclient.publish(self.inchannel,msg)
else:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MQTT idx error, sending failed.")
else:
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"MQTT not connected, sending failed.")
if (time.time()-self.lastreconnect)>30:
self.connect()
class DMQTTClient(mqtt.Client):
subscribechannel = ""
controllercb = None
connected = False
def on_connect(self, client, userdata, flags, rc):
if rc==0:
self.subscribe(self.subscribechannel,0)
self.connected = True
commands.rulesProcessing("DomoMQTT#Connected",rpieGlobals.RULE_SYSTEM)
def on_disconnect(self, client, userdata, rc):
self.connected = False
commands.rulesProcessing("DomoMQTT#Disconnected",rpieGlobals.RULE_SYSTEM)
def on_message(self, mqttc, obj, msg):
if self.connected and self.controllercb:
self.controllercb(msg)