from labs.common.SensorData import SensorData
from labs.common.DataUtil import DataUtil
from labs.module06.MqttClientConnector import MqttClientConnector
topic = "Temperature Sensor"
config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
host = config.getProperty(ConfigConst.MQTT_GATEWAY_SECTION,
ConfigConst.HOST_KEY)
#Creating Sensor Data
sensorData = SensorData(topic, 10, 30)
sensorData.curVal = uniform(float(sensorData.getMinValue()),
float(sensorData.getMaxValue()))
sensorData.addValue(sensorData.curVal)
sensorData.diffVal = sensorData.curVal - sensorData.avgVal
sensorData.timestamp = datetime.now().replace(microsecond=0)
sensorData.sampleCount = 1
logging.info('\nSensorData for sending: ')
print("\n" + str(sensorData))
#Converting SensorData to json format
data = DataUtil()
jsondata = data.sensorTojson(sensorData)
logging.info('\nSensorData after Json conversion: ')
print("\nSensorData in Json Format for publishing: \n" + str(jsondata) + "\n")
pubclient = MqttClientConnector()
#Function call to publish the Json to the MQTT broker through MQTT ClientConnector
pubclient.publish(host, topic, jsondata)
from random import uniform
from datetime import datetime #importing datetime to perform date and time operations
topic = "Temperature Sensor"
config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
host = config.getProperty(ConfigConst.ConfigConst.MQTT_CLOUD_SECTION,
ConfigConst.ConfigConst.HOST_KEY)
'''
Creating Sensor Data
'''
sensor = SensorData(topic, 15, 30)
sensor.curVal = uniform(float(sensor.getMinValue()),
float(sensor.getMaxValue()))
sensor.addValue(sensor.curVal)
sensor.diffVal = sensor.curVal - sensor.avgVal
sensor.timestamp = datetime.now()
logging.info('SensorData to be sent:')
print("Sensor Value before converting to Json: " + str(sensor))
'''
Converting SensorData to json format
'''
data = DataUtil()
json_data = data.toJsonfromSensor(sensor)
logging.info('SensorData converted into Json:')
print("SensorData in Json Format before publishing" + str(json_data) + "\n")
pub_client = MqttClientConnector()
'''
Function is used to publish the Json to the MQTT broker through MQTT ClientConnector
@param topic:Topic of message