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TimilehinSopein/Lightsubscriber.py
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import paho.mqtt.client as mqtt | |
from random import randint | |
from datetime import date, datetime | |
import time | |
from time import strftime | |
def on_log(client, userdata, level, buf): #log the subscriber considering the buffer | |
print("Log: ",buf) | |
def on_publish(client, userdata, mid): | |
print("Data published to broker") #print when data is successfully sent | |
print("publish mid:", mid, "\n") #print the message id of the publisher | |
# The callback for when the client receives a CONNACK response from the server. | |
def on_connect(client, userdata, flags, rc): | |
if rc == 0: | |
client.connected_flag = True #set the flag to true once connected | |
print("Connected with result code "+str(rc)) #check to know if we are connected to broker | |
print("Status[ON, OFF]") | |
else: | |
print("Bad connection, returned code= ", rc) #if connection failed | |
print("client disconnected ok") | |
def on_disconnect(client, userdata, rc): | |
print("Client disconnected") | |
client.connected_flag = False #set flag to false if disconnected | |
time.sleep(1) #wait before retrying connection | |
client1 = mqtt.Client(mqtt.CallbackAPIVersion.VERSION1, "motion-detector light sensor") # Create an MQTT client object | |
client1.connect("broker.hivemq.com", 1883) | |
client1.on_publish = on_publish | |
client1.on_log = on_log #set log function to print the messages | |
#client1.on_message = on_message #assign the on_messsage function | |
client1.on_connect = on_connect #assign the on_connect function to the callback attribute | |
client1.on_disconnect = on_disconnect | |
while True: | |
client1.loop_start() | |
result = randint(0,1) | |
if (result == 1): | |
lightStatus = "GREEN" #signify there is someone or a movement in the room | |
else: | |
lightStatus = "RED" #Signify no one or movement seen in the room | |
#print(status) | |
client1.publish("House/Light", lightStatus) | |
time.sleep(2) #wait for 2 seconds and then change the state of bulb |