class CoapServerConnector(CoAP):
def __init__(self):
self.path = ""
self.config = ConfigUtil(
'../../../config/ConnectedDevicesConfig.props')
self.host = self.config.getProperty(ConfigConst.COAP_DEVICE_SECTION,
ConfigConst.HOST_KEY)
self.port = int(
self.config.getProperty(ConfigConst.COAP_DEVICE_SECTION,
ConfigConst.PORT_KEY))
CoAP.__init__(self, (self.host, self.port))
class SmtpClientConnector(object):
'''
configure the remote server to send alert email;
whenever an email is sent, log out the success message
'''
def __init__(self):
'''
Constructor
'''
self.config = ConfigUtil(
'../../../config/ConnectedDevicesConfig.props')
# self.config = ConfigUtil('/Users/apple/workspace/iot-device/config/ConnectedDevicesConfig.props')
self.config.loadConfig()
logging.info('Configuration data...\n' + str(self.config))
def publishMessage(self, topic, data):
host = self.config.getProperty(ConfigConst.SMTP_CLOUD_SECTION,
ConfigConst.HOST_KEY)
port = self.config.getProperty(ConfigConst.SMTP_CLOUD_SECTION,
ConfigConst.PORT_KEY)
fromAddr = self.config.getProperty(ConfigConst.SMTP_CLOUD_SECTION,
ConfigConst.FROM_ADDRESS_KEY)
toAddr = self.config.getProperty(ConfigConst.SMTP_CLOUD_SECTION,
ConfigConst.TO_ADDRESS_KEY)
authToken = self.config.getProperty(ConfigConst.SMTP_CLOUD_SECTION,
ConfigConst.USER_AUTH_TOKEN_KEY)
# nominalTemp = self.config.getProperty(ConfigConst.CONSTRAINED_DEVICE, 'nominalTemp')
# if(SensorData.getValue()):
# actuate = ActuatorData()
msg = MIMEMultipart()
msg['From'] = fromAddr
msg['To'] = toAddr
msg['Subject'] = topic
msgBody = str(data)
msg.attach(MIMEText(msgBody))
msgText = msg.as_string()
smtpServer = smtplib.SMTP_SSL(host, port)
smtpServer.ehlo()
smtpServer.login(fromAddr, authToken)
smtpServer.sendmail(fromAddr, toAddr, msgText)
smtpServer.close()
logging.info('Sending Successful!\n\n')
class TempSensorAdaptor(object):
'''
classdocs
'''
rateInSec = 10.0
alertDiff = 10.0
curDegree = 0.0
nominalTemp = 10.0
sense=None
'''
Initial all the variable I need
'''
def __init__(self, a, r):
'''
Constructor
'''
self.sense = SenseHat()
self.tempActuatorEmulator = TempActuatorEmulator()
self.alertDiff = a
self.rateInSec = r
self.sensorData = SensorData
self.connector = SmtpClientConnector()
self.config = ConfigUtil('../../../config/ConnectedDevicesConfig.props')
self.config.loadConfig()
self.nominalTemp = self.config.getProperty(ConfigConst.CONSTRAINED_DEVICE, 'nominalTemp')
# self.nominalTemp = self.config.getProperty()
_thread.start_new_thread(self.run())
'''
Connect to senseHat and obtain the environment temperature.
'''
def readTempFromSH(self):
self.sense.clear()
self.curDegree = self.sense.get_temperature()
'''
Store the temperature into SenseData.
'''
def addTempToSensorData(self):
self.sensorData.addValue(self.sensorData, self.curDegree)
now = datetime.datetime.now()
print(str(now) + "\t" + str(self.curDegree))
print(str(now) + "\t" + str(self.sensorData.getAvgValue(self.sensorData)))
print("\n")
'''
Determine whether or not the particular temperature is higher or lower than the average temperature and then alert the user by sending email.
'''
def alert(self):
if (abs(self.sensorData.getValue(self.sensorData) - self.sensorData.getAvgValue(self.sensorData)) >= self.alertDiff):
# Start to send email
logging.info('\n Current temp exceeds average by > ' + str(self.alertDiff) + '. Triggering alert...')
print("Starting sending email...")
output = self.sensorData.__str__(self.sensorData)
self.connector.publishMessage("Excessive Temp", output)
'''
Determine whether or not the new temperature value is higher or lower than the nominal temperature which is set in ConnectedDevicesConfig
'''
def adjust(self):
if self.sensorData.getValue(self.sensorData) < float(self.nominalTemp) or self.sensorData.getValue(self.sensorData) > float(self.nominalTemp):
self.actuatorData = ActuatorData()
self.actuatorData.updateData(1, 1, 0, "adjust", self.sensorData.getValue(self.sensorData))
self.tempActuatorEmulator.processMessage(self.actuatorData)
'''
Start a new thread to do the task.
'''
def run(self):
while True:
self.readTempFromSH()
self.addTempToSensorData()
self.alert()
self.adjust()
sleep(self.rateInSec)
'''
Created on Mar 19, 2019
@author: GANESHRAM KANAKSABAI
'''
from labs.module07.CoapServerConnector import CoapServerConnector # importing CoapServerConnector
from labbenchstudios.common.ConfigUtil import ConfigUtil # importing ConfigUtil
from labbenchstudios.common import ConfigConst # importing ConfigConst
config = ConfigUtil('../data/ConnectedDevicesConfig.props')
config.loadConfig()
host = config.getProperty(ConfigConst.COAP_DEVICE_SECTION,
ConfigConst.HOST_KEY)
port = int(
config.getProperty(ConfigConst.COAP_DEVICE_SECTION, ConfigConst.PORT_KEY))
server = CoapServerConnector(host, port, config)
server.start() # starting the action of the server