def on_message(self, client, userdata, msg):
if (msg.topic == 'DtoG'):
data = msg.payload.decode()
awsConnector.awsPublish("data/gateway/sensorData", data)
log = 'Received data from device -' + data
logging.info(log)
dataUtil.writeToFile(log)
def awsPublish(self, topic, message):
# Connect to AWS IoT endpoint and publish a message
self.myMQTTClient.connect()
self.myMQTTClient.publish(topic, message, 0)
logging.info("[INFO] Published!")
dataUtil.writeToFile("[INFO] Published!")
self.myMQTTClient.disconnect()
def publish(self, topic, json):
client = mqtt.Client() # Initializing the MQTT object
client.connect("127.0.0.1", 1883,
10) # Setting the connection parameters
client.publish(topic, json, 0)
# Publishing the message
log = 'Published actuation -' + json + '- under topic -' + topic + '- to device'
logging.info(log)
dataUtil.writeToFile(log)
client.disconnect() # disconnect
def run(self):
# Connect to AWS IoT endpoint and publish a message
self.myMQTTClient.connect()
self.myMQTTClient.subscribe("data/cloud/actuationData", 0,
self.on_message)
#self.myMQTTClient.onMessage = self.on_message
logging.info("[INFO] Subscribed!")
dataUtil.writeToFile("[INFO] Subscibed!")
while True:
time.sleep(1)
def sendEmail(self, body):
# Set config parameters to variables
subject = "IoT Device Notification"
configParams = ConfUtil.getValue('smtp.cloud')
host = configParams.get("host")
port = configParams.get("port")
sender = configParams.get("fromaddr")
receiver = configParams.get("toaddr")
authToken = configParams.get("authtoken")
# Send mail
server = smtplib.SMTP(host, port) # connect to smtp server
server.starttls() # Start TTLS service
server.login(sender, authToken) # Login to mailserver
message = 'Subject: {}\n\n{}'.format(subject, body) # set message contents
server.sendmail(sender, receiver, message) # Send an email
logging.info('Email notification sent..')
dataUtil.writeToFile('Email notification sent')
def run(self):
while True:
cpu = psutil.cpu_percent() # Get CPU usage
mem = psutil.virtual_memory().percent # Get RAM usage
logger = logging.getLogger('log')
logging.basicConfig(level=logging.INFO,
format='%(asctime)s:%(levelname)s:%(message)s')
# Logging the values
cpulog = "CPU Utilization=" + str(cpu)
memlog = "Memory Utilization=" + str(mem)
logger.info(cpulog)
logger.info(memlog)
dataUtil.writeToFile(cpulog)
dataUtil.writeToFile(memlog)
self.now = datetime.now()
self.nowtime = str(self.now.strftime("%Y-%m-%dT%H:%M:%S"))
sysJson = '{"gateway":{"cpu": ' + str(cpu) + ',"mem": ' + str(
mem) + ', "timestamp":' + self.nowtime + '}}'
#awsConnector.awsPublish("data/gateway/sensorData", sysJson)
sleep(6)
def actuationFalse(self, log):
logging.info(log)
dataUtil.writeToFile(log)
def actuationTrue(self, log):
#smtp.sendEmail(log)
logging.info(log)
dataUtil.writeToFile(log)
def logAndWrite(self, data):
logging.info(data)
dataUtil.writeToFile(data)
def on_connect(self, client, userdata, flags, rc):
dataUtil.writeToFile(
"Subscribe to Device: Connected with result code " + str(rc))
logging.info("Subscribe to Device: Connected with result code " +
str(rc))
def on_message(self, client, userdata, msg):
data = msg.payload.decode()
logging.info(data)
dataUtil.writeToFile(data)
actLogic.checkActuation(data)
