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maestro.py
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#!/usr/bin/python3
#coding: utf-8
import paho.mqtt.client as mqtt
import websocket
try:
import thread
except ImportError:
import _thread as thread
import time
import sys
import os
import json
import logging
import datetime
from logging.handlers import RotatingFileHandler
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s :: %(levelname)s :: %(message)s')
file_handler = RotatingFileHandler('activity.log', 'a', 1000000, 1)
file_handler.setLevel(logging.DEBUG)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
stream_handler = logging.StreamHandler()
stream_handler.setLevel(logging.DEBUG)
logger.addHandler(stream_handler)
class PileFifo(object):
def __init__(self,maxpile=None):
self.pile=[]
self.maxpile = maxpile
def empile(self,element,idx=0):
if (self.maxpile!=None) and (len(self.pile)==self.maxpile):
raise ValueError ("erreur: tentative d'empiler dans une pile pleine")
self.pile.insert(idx,element)
def depile(self,idx=-1):
if len(self.pile)==0:
raise ValueError ("erreur: tentative de depiler une pile vide")
if idx<-len(self.pile) or idx>=len(self.pile):
raise ValueError ("erreur: element de pile à depiler n'existe pas")
return self.pile.pop(idx)
def element(self,idx=-1):
if idx<-len(self.pile) or idx>=len(self.pile):
raise ValueError ("erreur: element de pile à lire n'existe pas")
return self.pile[idx]
def copiepile(self,imin=0,imax=None):
if imax==None:
imax=len(self.pile)
if imin<0 or imax>len(self.pile) or imin>=imax:
raise ValueError ("erreur: mauvais indice(s) pour l'extraction par copiepile")
return list(self.pile[imin:imax])
def pilevide(self):
return len(self.pile)==0
def pilepleine(self):
return self.maxpile!=None and len(self.pile)==self.maxpile
def taille(self):
return len(self.pile)
Message_MQTT=PileFifo()
Message_WS=PileFifo()
# MCZ MAESTRO
from _config_ import _MCZip
from _config_ import _MCZport
_INTERVALLE = 1
_TEMPS_SESSION = 60
# MQTT
from _config_ import _MQTT_ip
from _config_ import _MQTT_port
from _config_ import _MQTT_TOPIC_SUB
from _config_ import _MQTT_TOPIC_PUB
from _config_ import _MQTT_authentication
from _config_ import _MQTT_user
from _config_ import _MQTT_pass
MQTT_MAESTRO = {}
logger.info('Lancement du deamon')
logger.info('Anthony L. 2019')
logger.info('Niveau de LOG : DEBUG')
def on_connect_mqtt(client, userdata, flags, rc):
logger.info("Connecté au broker MQTT avec le code : " + str(rc))
def on_message_mqtt(client, userdata, message):
logger.info('Message MQTT reçu : ' + str(message.payload.decode()))
cmd = message.payload.decode().split(",")
if cmd[0] == "42":
cmd[1]=(int(cmd[1])*2)
Message_MQTT.empile("C|WriteParametri|"+cmd[0]+"|"+str(cmd[1]))
logger.info('Contenu Pile Message_MQTT : ' + str(Message_MQTT.copiepile()))
def secTOdhms(nb_sec):
qm,s=divmod(nb_sec,60)
qh,m=divmod(qm,60)
d,h=divmod(qh,24)
return "%d:%d:%d:%d" %(d,h,m,s)
def on_message(ws, message):
logger.info('Message sur le serveur websocket reçu : ' + str(message))
from _data_ import RecuperoInfo
for i in range(0,len(message.split("|"))):
for j in range(0,len(RecuperoInfo)):
if i == RecuperoInfo[j][0]:
if len(RecuperoInfo[j]) > 2:
for k in range(0,len(RecuperoInfo[j][2])):
if int(message.split("|")[i],16) == RecuperoInfo[j][2][k][0]:
MQTT_MAESTRO[RecuperoInfo[j][1]] = RecuperoInfo[j][2][k][1]
break
else:
MQTT_MAESTRO[RecuperoInfo[j][1]] = ('Code inconnu :', str(int(message.split("|")[i],16)))
else:
if i == 6 or i == 26 or i == 28:
MQTT_MAESTRO[RecuperoInfo[j][1]] = float(int(message.split("|")[i], 16))/2
elif i >= 37 and i <=42:
MQTT_MAESTRO[RecuperoInfo[j][1]] = secTOdhms(int(message.split("|")[i],16))
else:
MQTT_MAESTRO[RecuperoInfo[j][1]] = int(message.split("|")[i],16)
logger.info('Publication sur le topic MQTT ' + str(_MQTT_TOPIC_PUB) + ' le message suivant : ' + str(json.dumps(MQTT_MAESTRO)))
client.publish(_MQTT_TOPIC_PUB, json.dumps(MQTT_MAESTRO),1)
def on_error(ws, error):
logger.info(error)
def on_close(ws):
logger.info('Session websocket fermée')
def on_open(ws):
def run(*args):
for i in range(_TEMPS_SESSION):
time.sleep(_INTERVALLE)
if Message_MQTT.pilevide():
Message_MQTT.empile("C|RecuperoInfo")
cmd = Message_MQTT.depile()
logger.info("Envoi de la commande : " + str(cmd))
ws.send(cmd)
time.sleep(1)
ws.close()
thread.start_new_thread(run, ())
logger.info('Connection en cours au broker MQTT (IP:'+_MQTT_ip + ' PORT:'+str(_MQTT_port)+')')
client = mqtt.Client()
if _MQTT_authentication == True:
client.username_pw_set(username=_MQTT_user,password=_MQTT_pass)
client.on_connect = on_connect_mqtt
client.on_message = on_message_mqtt
client.connect(_MQTT_ip, _MQTT_port)
client.loop_start()
logger.info('Souscription au topic ' + str(_MQTT_TOPIC_SUB) + ' avec un Qos=1')
client.subscribe(_MQTT_TOPIC_SUB, qos=1)
if __name__ == "__main__":
while True:
logger.info("Etablissement d'une nouvelle connection au serveur websocket (IP:"+_MCZip+" PORT:"+_MCZport+")")
websocket.enableTrace(False)
ws = websocket.WebSocketApp("ws://" + _MCZip + ":" + _MCZport,
on_message = on_message,
on_error = on_error,
on_close = on_close)
ws.on_open = on_open
ws.run_forever()
time.sleep(_INTERVALLE)