def AWS_SHADOW_Initialize(): #TODO Test this
try:
subprocess.call('./copyCertificates.sh')
except:
CA_CERTIFICATE = "Certificates/root-CA.crt"
PRIVATE_KEY = "Certificates/device-private.pem.key"
DEVICE_CERTIFICATE = "Certificates/device-certificate.pem.crt"
# AWS IoT certificate based connection---------------------------------------
myShadowClient = AWSIoTMQTTShadowClient(
CLIENT) #this can be any arbitrary string
myShadowClient.configureEndpoint(AWS_SERVER,
PORT) #endpoint and port number
myShadowClient.configureCredentials(
CA_CERTIFICATE, PRIVATE_KEY, DEVICE_CERTIFICATE
) #root ca and certificate used for secure connection
myShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myShadowClient.configureMQTTOperationTimeout(5) # 5 sec
#connect, subscribe and publish----------------------------------------------------------
myShadowClient.connect()
shadowHandler = myShadowClient.createShadowHandlerWithName(
THING_NAME, True)
myMQTTClient = myShadowClient.getMQTTConnection()
AWS_MQTT_subscribe(myMQTTClient, None)
return (shadowHandler, myMQTTClient)
def __init__(self,
host,
rootCAPath,
certPath,
privateKeyPath,
clientId,
deviceName,
port=8883,
useWebsocket=False):
super().__init__(host, rootCAPath, certPath, privateKeyPath, clientId,
port, useWebsocket)
__shadow = AWSIoTMQTTShadowClient(self.clientId)
__shadow.configureEndpoint(self.host,
self.port) # Setting URL-ENDPOINT & Port
__shadow.configureCredentials(
self.rootCAPath, self.privateKeyPath,
self.certificatePath) # Cert file setting
__shadow.configureConnectDisconnectTimeout(
10) # CONNACK wait time (sec)
__shadow.configureMQTTOperationTimeout(5) # QoS1 publish (sec)
print('start connct shadow')
__shadow.connect()
print('shadow connect')
self.shadowHandler = __shadow.createShadowHandlerWithName(
deviceName, True)
return
def update_shadow(endpoint, thingName, kinesisStreamName, rootCAPath):
port = 8883
certificatePath = "./principals/" + thingName + ".cert.pem"
privateKeyPath = "./principals/" + thingName + ".private.key"
clientId = thingName
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(endpoint, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(thingName, True)
# Delete shadow JSON doc
deviceShadowHandler.shadowDelete(customShadowCallback_Delete, 5)
JSONPayload = '{"state":{"desired":{"property": "iot-analyzer"}}}'
deviceShadowHandler.shadowUpdate(JSONPayload, customShadowCallback_Update, 5)
JSONPayload = '{"state":{"reported":{"property": "iot-analyzer", "kinesis_stream": "' + kinesisStreamName + '"}}}'
deviceShadowHandler.shadowUpdate(JSONPayload, customShadowCallback_Update, 5)
class DeviceShadowClient(object):
def __init__(self, deviceName):
self.clientId = deviceName
self.rootCAPath = "devices/config/root-CA.crt"
self.privateKeyPath = "devices/config/" + deviceName + ".private.key"
self.certificatePath = "devices/config/" + deviceName + ".cert.pem"
self.host = "a3w259c8e2kscd-ats.iot.us-east-1.amazonaws.com"
self.port = 8883
self.shadowClient = AWSIoTMQTTShadowClient(self.clientId)
self.shadowClient.configureEndpoint(self.host, self.port)
self.shadowClient.configureCredentials(self.rootCAPath,
self.privateKeyPath,
self.certificatePath)
self.shadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
self.shadowClient.configureConnectDisconnectTimeout(10)
self.shadowClient.configureMQTTOperationTimeout(5)
self.shadowClient.connect()
self.handler = self.shadowClient.createShadowHandlerWithName(
self.clientId, True)
def updateShadow(self, jsonPayload):
self.handler.shadowUpdate(jsonPayload, onResponse, 5)
def getShadow(self, callback):
self.handler.shadowGet(callback, 5)
def setup_aws_shadow_client(host, rootCAPath, privateKeyPath, certificatePath, device_name):
# Configure logging
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.INFO)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
shadow = AWSIoTMQTTShadowClient(device_name + "-client")
shadow.configureEndpoint(host, 8883)
shadow.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
shadow.configureAutoReconnectBackoffTime(1, 32, 20)
shadow.configureConnectDisconnectTimeout(10) # 10 sec
shadow.configureMQTTOperationTimeout(5) # 5 sec
#Last Will
shadow.configureLastWill('my/things/' + device_name + '/update', '{"state":{"reported":{"connected":"false"}}}', 1)
# Connect to AWS IoT
shadow.connect()
# Create a deviceShadow with persistent subscription
client = shadow.createShadowHandlerWithName(device_name, True)
return shadow, client
def create_shadow_client(host, ca_file, private_file, cert_file, thing_name):
client = AWSIoTMQTTShadowClient(thing_name)
client.configureCredentials(ca_file, private_file, cert_file)
client.configureEndpoint(host, 8883)
client.configureConnectDisconnectTimeout(10) # 10 sec
client.configureMQTTOperationTimeout(5) # 5 sec
return client
def main():
try:
config = readConfigFile()
awsShadowClient = AWSIoTMQTTShadowClient(clientId)
awsShadowClient.configureEndpoint(host, 8883)
awsShadowClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
awsShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
awsShadowClient.configureConnectDisconnectTimeout(10)
awsShadowClient.configureMQTTOperationTimeout(5)
awsShadowClient.connect()
deviceShadowHandler = awsShadowClient.createShadowHandlerWithName(
thingName, True)
deviceShadowHandler.shadowDelete(customShadowCallback_Delete, 5)
client.begin()
if config is not None:
sendConfigData(config, None)
while True:
config = loop(config, deviceShadowHandler)
except (KeyboardInterrupt):
print('Interrupt received')
except (RuntimeError):
print('Snap! Bye Bye')
finally:
cleanup(config)
def main():
setupPins()
# For certificate based connection
myShadowClient = AWSIoTMQTTShadowClient(os.environ['AWS_CLIENT_ID'])
# For Websocket connection
# myShadowClient = AWSIoTMQTTClient("myClientID", useWebsocket=True)
# Configurations
# For TLS mutual authentication
myShadowClient.configureEndpoint(os.environ['AWS_ENDPOINT'], 8883)
# For Websocket
# myShadowClient.configureEndpoint("YOUR.ENDPOINT", 443)
myShadowClient.configureCredentials(os.environ['AWS_ROOTCA'], os.environ['AWS_PRIVATE_KEY'], os.environ['AWS_CERTIFICATE'])
# For Websocket, we only need to configure the root CA
# myShadowClient.configureCredentials("YOUR/ROOT/CA/PATH")
myShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myShadowClient.configureMQTTOperationTimeout(5) # 5 sec
myShadowClient.connect()
# Create a device shadow instance using persistent subscription
Bot = myShadowClient.createShadowHandlerWithName("Bot", True)
# Delete shadow JSON doc
Bot.shadowDelete(customShadowCallback_Delete, 5)
# PUT ALL your code for handling buttons and such in here.
while True:
input_state = GPIO.input(17)
if input_state == True:
print('Button Pressed')
JSONPayload = '{"state":{"desired":{"property":"' + str(os.environ['WEBCAM_LINK']) + '"}}}'
print JSONPayload
Bot.shadowUpdate(JSONPayload, customShadowCallback_Update, 5)
time.sleep(1)
time.sleep(0.2)
def _iotConnect(self, endpoint, thingName, rootCAPath, certificatePath,
privateKeyPath, region):
''' Establish connection to the AWS IOT service '''
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient('pyASHdenTV')
myAWSIoTMQTTShadowClient.configureEndpoint(endpoint, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath,
privateKeyPath,
certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(
10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
# Delete shadow JSON doc
deviceShadowHandler.shadowDelete(self._deleteCallback, 5)
# Listen on deltas
deviceShadowHandler.shadowRegisterDeltaCallback(self._deltaCallback)
return deviceShadowHandler
def main():
endpoint = os.environ.get("IOT_ENDPOINT", None)
thing_name = os.environ.get("THING_NAME", None)
ble_address = os.environ.get("BLE_ADDRESS", None)
pretend = os.environ.get("BLE_PRETEND", "false").lower() == "true"
if endpoint is None:
raise Exception("IOT_ENDPOINT env not set")
if thing_name is None:
raise Exception("THING_NAME env not set")
if ble_address is None:
raise Exception("BLE_ADDRESS env not set")
ble = sertaBLEController(ble_address, pretend)
client = AWSIoTMQTTShadowClient(thing_name)
client.configureEndpoint(endpoint, 8883)
client.configureCredentials("root-CA.crt", "device-key.pem", "device.pem")
client.configureAutoReconnectBackoffTime(1, 32, 20)
client.configureConnectDisconnectTimeout(10) # 10 sec
client.configureMQTTOperationTimeout(5) # 5 sec
client.connect()
shadow = client.createShadowHandlerWithName(thing_name, True)
shadowCallbackContainer_IoTBed = shadowCallbackContainer(shadow, ble)
shadow.shadowRegisterDeltaCallback(
shadowCallbackContainer_IoTBed.customShadowCallback_Delta)
# Loop forever
while True:
time.sleep(0.1)
def __create_shadow_client(self):
max_offline_queue_size = int(
(60 / self.__update_interval_secs) * 24 * 10) # 10 Days worth
client = AWSIoTMQTTShadowClient(self.__client_id)
client.configureEndpoint(AWS_IOT_ENDPOINT, 8883)
client.configureCredentials(
CAFilePath="certs/AmazonRootCA1.pem",
KeyPath="certs/device/private.pem.key",
CertificatePath="certs/device/certificate.pem.crt")
client.configureConnectDisconnectTimeout(30)
client.configureMQTTOperationTimeout(30)
client.configureAutoReconnectBackoffTime(1, 128, 20)
# Shared connection with shadow
mqtt_client = client.getMQTTConnection()
mqtt_client.configureOfflinePublishQueueing(
max_offline_queue_size, AWSIoTPythonSDK.MQTTLib.DROP_OLDEST)
mqtt_client.configureDrainingFrequency(2) # Draining: 2 Hz
logger.debug('Connecting to IOT Cloud MQTT Server....')
client.connect()
self.__shadow_client = client
self.__mqtt_client = mqtt_client
for reader in self.__readers:
shadow = self.__shadow_client.createShadowHandlerWithName(
reader.name, True)
shadow.shadowGet(self.__shadow_cb, 60)
shadow.shadowRegisterDeltaCallback(self.__shadow_cb)
self.__shadows[reader.name] = shadow
logger.info('Connected to IOT Cloud, shadows created')
return client
def init_device_shadow_handler(args):
host = args.get("host")
rootCAPath = args.get("rootCAPath")
certificatePath = args.get("certificatePath")
privateKeyPath = args.get("privateKeyPath")
port = args.get("port")
useWebsocket = args.get("useWebsocket")
thingName = args.get("thingName")
clientId = args.get("clientId")
if not clientId: # Use thingName as clientId if not provided separately
clientId = thingName
if useWebsocket and certificatePath and privateKeyPath:
print(
"X.509 cert authentication and WebSocket are mutual exclusive. Please pick one."
)
exit(2)
if not useWebsocket and (not certificatePath or not privateKeyPath):
print("Missing credentials for authentication.")
exit(2)
# Port defaults
if useWebsocket and not port: # When no port override for WebSocket, default to 443
port = 443
if not useWebsocket and not port: # When no port override for non-WebSocket, default to 8883
port = 8883
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId,
useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath,
privateKeyPath,
certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
# Delete existing shadow JSON doc
deviceShadowHandler.shadowDelete(shadow_delete_callback, 5)
return deviceShadowHandler
class shadowClient:
def __init__(self, certDir, logLevel=logging.WARNING, clientID=None):
if clientID == None:
clientID = platform.node() + '.' + str(os.getpid())
self.clientID = clientID
self.client = AWSIoTMQTTShadowClient(clientID)
self.configureLogging(logLevel)
self.configureConnection(certDir)
def configureConnection(self, certDir):
configPath = uniqglob(certDir + '*config.json')
with open(configPath) as json_data:
endpoint = json.load(json_data)
port = 8883
if 'host' in endpoint:
host = endpoint['host']
else:
sys.exit("host not defined in %s" % (configPath))
if 'port' in endpoint:
port = int(endpoint['port'])
self.client.configureEndpoint(host, port)
rootCAPath = uniqglob(certDir + '*rootCA*')
prvKeyPath = uniqglob(certDir + '*.private.key*')
certPath = uniqglob(certDir + '*.cert.*')
self.client.configureCredentials(rootCAPath, prvKeyPath, certPath)
self.client.configureAutoReconnectBackoffTime(1, 32, 20)
self.client.configureConnectDisconnectTimeout(10) # 10 sec
self.client.configureMQTTOperationTimeout(5) # 5 sec
def configureLogging(self, logLevel):
logger = logging.getLogger('AWSIoTPythonSDK.core')
logger.setLevel(logLevel)
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler = logging.StreamHandler()
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
def connect(self):
return self.client.connect()
def createShadow(self, name):
isPersistent = True # for better performance (?!)
return self.client.createShadowHandlerWithName(name, isPersistent)
def configureMQTTClient(self):
mqttClient = AWSIoTMQTTShadowClient(self.thingName)
mqttClient.configureEndpoint(self.host, self.port)
mqttClient.configureCredentials(self.rootCAPath, self.privateKeyPath, self.certificatePath)
mqttClient.configureAutoReconnectBackoffTime(1, 32, 20)
mqttClient.configureConnectDisconnectTimeout(10)
mqttClient.configureMQTTOperationTimeout(5)
return mqttClient
def createIoT():
iot = AWSIoTMQTTShadowClient('AWSHome', useWebsocket=True)
iot.configureEndpoint('a236biar7596mr.iot.us-east-1.amazonaws.com', 443)
iot.configureCredentials(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'root-CA.pem'))
iot.configureConnectDisconnectTimeout(10) # 10 sec
iot.configureMQTTOperationTimeout(5) # 5 sec
iot.connect()
return iot
def createIoT():
iot = AWSIoTMQTTShadowClient('RaspberryPi',
useWebsocket=True) # I think the first arg is the name of the IoT thing in aws
iot.configureEndpoint('a3lujo7s13ykr5.iot.us-east-1.amazonaws.com', 443) # REST endpoint
iot.configureCredentials(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'root-CA.pem')) # CA certificate
iot.configureConnectDisconnectTimeout(10) # 10 sec
iot.configureMQTTOperationTimeout(5) # 5 sec
iot.connect()
return iot
def create_iot():
iot = AWSIoTMQTTShadowClient(clientId, useWebsocket=True)
iot.configureEndpoint(host, port)
iot.configureCredentials(rootCAPath)
iot.configureAutoReconnectBackoffTime(1, 32, 20)
iot.configureConnectDisconnectTimeout(10)
iot.configureMQTTOperationTimeout(5)
iot.connect()
return iot
def lambda_handler(event, context):
global myAWSIoTMQTTShadowClient, myDeviceShadow
""" Route the incoming request based on type (LaunchRequest, IntentRequest,
etc.) The JSON body of the request is provided in the event parameter.
"""
#print ('RECEIVED EVENT: ' + json.dumps(event, separators=(',', ':')))
if 'session' in event:
print("event.session.application.applicationId=" +
event['session']['application']['applicationId'])
"""
Uncomment this if statement and populate with your skill's application ID to
prevent someone else from configuring a skill that sends requests to this
function.
"""
# if (event['session']['application']['applicationId'] !=
# "amzn1.ask.skill.b2d37e60-ecae-4beb-aed0-adf69fe456a4"):
# raise ValueError("Invalid Application ID")
if event['session']['new'] and 'requestId' in event['request']:
on_session_started({'requestId': event['request']['requestId']},
event['session'])
if 'request' in event:
# Init AWSIoTMQTTClient
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(
shadowName + "_Lambda_" + event['request']['requestId'][-12:])
myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(
rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTClient connection configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(
1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(
10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT Shadow
myAWSIoTMQTTShadowClient.connect()
myDeviceShadow = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
shadowName, True)
myDeviceShadow.shadowGet(IoTShadowCallback_Get, 5)
# JSONPayload = '{ "state" : {'+\
# '"desired": {'+\
# '"LivingRoomLight":"", '+\
# '"BedRoomLight": "", '+\
# '"KitchenLight": "" '+\
# '} '+\
# '} '+\
# '}'
# myDeviceShadow.shadowUpdate(JSONPayload, IoTShadowCallback_Update, 5)
while GetStatus == "":
ready = ""
if event['request']['type'] == "LaunchRequest":
return on_launch(event['request'], event['session'])
elif event['request']['type'] == "IntentRequest":
return on_intent(event['request'], event['session'])
elif event['request']['type'] == "SessionEndedRequest":
return on_session_ended(event['request'], event['session'])
def shadow_connect(): global myShadowClient myShadowClient = AWSIoTMQTTShadowClient(thingName) myShadowClient.configureEndpoint(host, 8883) myShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath) myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20) myShadowClient.configureConnectDisconnectTimeout(10) myShadowClient.configureMQTTOperationTimeout(5) myShadowClient.connect()
def createIoTShadowClient(endpoint, thingname, keyPath, certPath, rootCaPath):
# For certificate based connection
myShadowClient = AWSIoTMQTTShadowClient(thingname)
# Configurations
# For TLS mutual authentication
myShadowClient.configureEndpoint(endpoint, config.aws_iot_port())
myShadowClient.configureCredentials(rootCaPath, keyPath, certPath)
myShadowClient.configureConnectDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
return myShadowClient
def shadow_connect(): #連接shadow global myShadowClient # read GGC Host Address from file myShadowClient = AWSIoTMQTTShadowClient(clientId2) myShadowClient.configureEndpoint(host, 8883) myShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath) myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20) myShadowClient.configureConnectDisconnectTimeout(10) myShadowClient.configureMQTTOperationTimeout(5) myShadowClient.connect()
def connectTurbineIoTAttempt(ep, port, rootca, key, cert, timeoutSec,
retryLimit):
global awsIoTMQTTClient, awsShadowClient, turbineDeviceShadow
awsShadowClient = AWSIoTMQTTShadowClient(cfgThingName)
awsShadowClient.configureEndpoint(ep, int(port))
awsShadowClient.configureCredentials(rootca, key, cert)
awsIoTMQTTClient = awsShadowClient.getMQTTConnection()
# AWSIoTMQTTClient connection configuration
awsIoTMQTTClient.configureAutoReconnectBackoffTime(1, 32, 20)
awsIoTMQTTClient.configureOfflinePublishQueueing(
-1) # Infinite offline Publish queueing
awsIoTMQTTClient.configureDrainingFrequency(2) # Draining: 2 Hz
awsIoTMQTTClient.configureConnectDisconnectTimeout(timeoutSec) #seconds
awsIoTMQTTClient.configureMQTTOperationTimeout(timeoutSec) #seconds
awsIoTMQTTClient.configureConnectDisconnectTimeout(timeoutSec)
awsIoTMQTTClient.configureMQTTOperationTimeout(timeoutSec)
awsIoTMQTTClient.onOnline = awsIoTClientOnConnectCallback
awsIoTMQTTClient.onOffline = awsIoTClientOnDisconnectCallback
# Attempt to connect
for attempt in range(0, retryLimit):
try:
awsIoTMQTTClient.connect()
except Exception as e:
print(str(e))
continue
break
# Shadow config
awsShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
awsShadowClient.configureConnectDisconnectTimeout(timeoutSec)
awsShadowClient.configureMQTTOperationTimeout(timeoutSec)
for attempt in range(0, retryLimit):
try:
if awsShadowClient.connect():
print("AWS IoT shadow topic subscribed")
except Exception as e:
print(str(e))
continue
break
turbineDeviceShadow = awsShadowClient.createShadowHandlerWithName(
cfgThingName, True)
turbineDeviceShadow.shadowRegisterDeltaCallback(shadowCallbackDelta)
# Subscribe to the command topics
cmdTopic = str("cmd/windfarm/turbine/" + cfgThingName + "/#")
awsIoTMQTTClient.subscribe(cmdTopic, 1, customCallbackCmd)
print("AWS IoT Command Topic Subscribed: " + cmdTopic)
return True
def connection_AWS_IOT(self):
shadow_host = "a1wxijaxbxg469.iot.ap-northeast-2.amazonaws.com"
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(pfc_conf.PFC_AWS_IOT_CLIENT_ID)
myAWSIoTMQTTShadowClient.configureEndpoint(shadow_host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(pfc_conf.CA_PATH, pfc_conf.PRIVATE_KEY_PATH, pfc_conf.CERTIFICATE_PATH)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(30)
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(30)
myAWSIoTMQTTShadowClient.connect()
mc = myAWSIoTMQTTShadowClient.getMQTTConnection()
mc.configureOfflinePublishQueueing(-1)
self.IOT_SHADOW_CLIENT = myAWSIoTMQTTShadowClient
self.PFC_SHADOW = myAWSIoTMQTTShadowClient.createShadowHandlerWithName("PFC_v_0001", True)
def start():
print("Connecting IoT, endpoint:" + str(config.iot_endpoint))
logging.info("----- START OF THE IoT LOG -----")
try:
dir = os.path.dirname(os.path.realpath(__file__))
rootCAPath = dir + "/root-CA.crt"
certificatePath = dir + "/" + config.name +".cert.pem"
privateKeyPath = dir + "/" + config.name + ".private.key"
streamHandler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
global myAWSIoTMQTTClient
myAWSIoTMQTTClient = AWSIoTMQTTShadowClient(config.name)
myAWSIoTMQTTClient.configureEndpoint(config.iot_endpoint, 8883)
myAWSIoTMQTTClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTClient connection configuration
myAWSIoTMQTTClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTClient.configureConnectDisconnectTimeout(30) # 30 sec
myAWSIoTMQTTClient.configureMQTTOperationTimeout(10) # 5 sec
# Connect and subscribe to AWS IoT
myAWSIoTMQTTClient.connect(10)
print("Creating shadows")
global deviceShadowHandler
deviceShadowHandler = myAWSIoTMQTTClient.createShadowHandlerWithName(config.name, True)
global Connection
Connection = myAWSIoTMQTTClient.getMQTTConnection()
Connection.configureAutoReconnectBackoffTime(1, 32, 20)
Connection.configureDrainingFrequency(2) # Draining: 2 Hz
Connection.configureConnectDisconnectTimeout(30) # 30 sec
Connection.configureMQTTOperationTimeout(10) # 10 sec
Connection.subscribe("global", 1, customCallback)
SendMSG('{"to": "server", "client-id": "1", "info": "start-up"}')
control.update_status()
except Exception as e:
logging.exception("Error IoT: " + str(e))
print("Error IoT: ", e)
import traceback
traceback.print_exc()
def shadowUpdate(body):
# Create, configure, and connect a shadow client.
myShadowClient = AWSIoTMQTTShadowClient(SHADOW_CLIENT)
myShadowClient.configureEndpoint(HOST_NAME, 8883)
myShadowClient.configureCredentials(ROOT_CA, PRIVATE_KEY, CERT_FILE)
myShadowClient.configureConnectDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
myShadowClient.connect()
# Create a programmatic representation of the shadow.
myDeviceShadow = myShadowClient.createShadowHandlerWithName(
SHADOW_HANDLER, True)
myDeviceShadow.shadowUpdate(body, myShadowUpdateCallback, 5)
def ConnectAWS():
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("RaspberryPi")
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
myAWSIoTMQTTShadowClient.connect()
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
return deviceShadowHandler
def getClient(host, rootCAPath, privateKeyPath, certificatePath, clientId):
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
return myAWSIoTMQTTShadowClient
class IoTCommunicator(object):
def __init__(self, device):
self.mqttc = AWSIoTMQTTShadowClient(thingName)
self.mqttc.configureEndpoint(
'a2soq6ydozn6i0-ats.iot.us-west-2.amazonaws.com', 8883)
self.mqttc.configureCredentials(
'./certificates/AmazonRootCA1.pem',
'./certificates/' + thingName + '.private.key',
'./certificates/' + thingName + '.cert.pem')
self.mqttc.configureConnectDisconnectTimeout(10)
self.mqttc.configureMQTTOperationTimeout(5)
self.device_shadow = self.mqttc.createShadowHandlerWithName(
thingName, True)
self.device_shadow = self.mqttc.createShadowHandlerWithName(
thingName, True)
self.device_shadow.on_message = self.on_message
self.device_shadow.json_encode = self.json_encode
self.device = device
def json_encode(self, string):
return json.dumps(string)
def on_message(self, message, response, token):
print(message)
def on_delta(self, message, response, token):
print("delta %s" % message)
loaded_message = json.loads(message)
new_state = loaded_message["state"]["state"]
self.device.set_light(new_state)
self.send_shadow_update()
def start_communication(self):
print("About to connect")
self.mqttc.connect()
print('Connected')
self.device_shadow.shadowRegisterDeltaCallback(self.on_delta)
loop_count = 0
while True:
self.send_shadow_update()
loop_count += 1
time.sleep(5)
def send_shadow_update(self):
message = {"state": {"reported": {"state": self.device.light_state}}}
message_json = json.dumps(message)
self.device_shadow.shadowUpdate(message_json, self.on_message, 5)
print('Shadow Update Sent')
print('Published state %s\n' % message_json)
def makeAWSConnections():
global myAWSIoTMQTTClient, myAWSIoTMQTTShadowClient, deviceShadowHandler, myAWSIoTMQTTClientVibration, \
myAWSIoTMQTTShadowClientVibration, myAWSIoTMQTTClientLoad, myAWSIoTMQTTShadowClientLoad, \
myAWSIoTMQTTClientTemp, myAWSIoTMQTTShadowClientTemp, myOnOfflineCallback, myOnOnlineCallback, batteryStatus
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId, useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
myAWSIoTMQTTShadowClient.onOffline = myOnOfflineCallback
myAWSIoTMQTTShadowClient.onOnline = myOnOnlineCallback
# Connect and subscribe to AWS IoT
myAWSIoTMQTTShadowClient.connect(60)
myAWSIoTMQTTClient = myAWSIoTMQTTShadowClient.getMQTTConnection()
myAWSIoTMQTTShadowClientVibration = AWSIoTMQTTShadowClient(clientId + "Vibration", useWebsocket=True)
myAWSIoTMQTTShadowClientVibration.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClientVibration.configureCredentials(rootCAPath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClientVibration.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClientVibration.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClientVibration.configureMQTTOperationTimeout(5) # 5 sec
# Connect and subscribe to AWS IoT
myAWSIoTMQTTShadowClientVibration.connect(60)
myAWSIoTMQTTClientVibration = myAWSIoTMQTTShadowClientVibration.getMQTTConnection()
myAWSIoTMQTTShadowClientLoad = AWSIoTMQTTShadowClient(clientId + "Load", useWebsocket=True)
myAWSIoTMQTTShadowClientLoad.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClientLoad.configureCredentials(rootCAPath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClientLoad.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClientLoad.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClientLoad.configureMQTTOperationTimeout(5) # 5 sec
# Connect and subscribe to AWS IoT
myAWSIoTMQTTShadowClientLoad.connect(60)
myAWSIoTMQTTClientLoad = myAWSIoTMQTTShadowClientLoad.getMQTTConnection()
myAWSIoTMQTTShadowClientTemp = AWSIoTMQTTShadowClient(clientId + "Temp", useWebsocket=True)
myAWSIoTMQTTShadowClientTemp.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClientTemp.configureCredentials(rootCAPath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClientTemp.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClientTemp.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClientTemp.configureMQTTOperationTimeout(5) # 5 sec
# Connect and subscribe to AWS IoT
myAWSIoTMQTTShadowClientTemp.connect(60)
myAWSIoTMQTTClientTemp = myAWSIoTMQTTShadowClientTemp.getMQTTConnection()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName("aircraftEngine", True)
deviceShadowHandler.shadowUpdate(json.dumps(shadowObject), customShadowCallback_Update, 5) # 5 sec
deviceShadowHandler.shadowRegisterDeltaCallback(customShadowCallback_Delta) # Updates motor thrust
def switch(onoff):
host = "a2gwyx8959iy18.ats.iot.cn-north-1.amazonaws.com.cn"
thingName = "kmplc01"
rootCAPath = "cert/root-CA.crt"
certificatePath = "cert/certificate.pem.crt"
privateKeyPath = "cert/private.pem.key"
clientId = "randomID1" + str(random.randint(10000, 99999))
port = 443
useWebsocket = True
# Configure logging
logger = logging.getLogger("AWSIoTPythonSDK.core")
logger.setLevel(logging.DEBUG)
streamHandler = logging.StreamHandler()
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId,
useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId)
myAWSIoTMQTTShadowClient.configureEndpoint(host, port)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath,
privateKeyPath,
certificatePath)
# AWSIoTMQTTShadowClient configuration
myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect to AWS IoT
myAWSIoTMQTTShadowClient.connect()
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
# Update shadow in a loop
JSONPayload = '{"state":{"desired":{"status":' + "\"" + onoff + "\"" + '}}}'
print(JSONPayload)
deviceShadowHandler.shadowUpdate(JSONPayload, customShadowCallback_Update,
5)
def createMqttClients(self, iotConfig):
mqShadowClient = AWSIoTMQTTShadowClient(iotConfig['thingName'])
mqShadowClient.configureEndpoint(iotConfig["iotHost"],
iotConfig["iotPort"])
mqShadowClient.configureCredentials(iotConfig["rootCert"],
iotConfig["thingPrivateKey"],
iotConfig["thingCert"])
mqShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
mqShadowClient.configureConnectDisconnectTimeout(10)
mqShadowClient.configureMQTTOperationTimeout(10)
mqShadowClient.connect()
mqClient = mqShadowClient.getMQTTConnection()
self._logger.info("mqtt client connected to iot host {}".format(
iotConfig["iotHost"]))
return (mqShadowClient, mqClient)
import json
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTClient
from AWSIoTPythonSDK.MQTTLib import AWSIoTMQTTShadowClient
#for cert based connection
myShadowClient = AWSIoTMQTTShadowClient("raspberry-pi")
myShadowClient.configureEndpoint("a1xugslbalqdxo.iot.us-east-1.amazonaws.com", 8883)
myShadowClient.configureCredentials("/home/pi/python_mqtt/aws-iot-certs/rootCA.pem.crt",
"/home/pi/python_mqtt/aws-iot-certs/c6417d9f55-private.pem.key",
"/home/pi/python_mqtt/aws-iot-certs/c6417d9f55-certificate.pem.crt")
#myShadowClient.configureConnectionDisconnectTimeout(10)
myShadowClient.configureMQTTOperationTimeout(5)
myShadowClient.connect()
myDeviceShadow = myShadowClient.createShadowHandlerWithName("Bot", True)
payload = json.dumps({
"state":{
"reported": {
"this_thing_is_alive": "I am Raspberry"
}
}
})
#myDeviceShadow.shadowGet(customCallback, 5)
#myDeviceShadow.shadowUpdate(payload, shadowUpdate, 5)
myMQTTClient = myShadowClient.getMQTTConnection()
class ThermoSimAppGUI:
_usage = """Usage:
Make sure that you put all your credentials under: ./certs/
with the following naming conventions:
Root CA file: *CA.crt
Certificate file (not required if using MQTT over WebSocket): *.pem.crt
Private key file (not required if using MQTT over WebSocket): *.pem.key
Use X.509 certificate based mutual authentication:
python ThermostatSimulatorApp -e <endpoint>
Use MQTT over WebSocket:
python ThermostatSimulatorApp -e <endpoint> -w
Type "python ThermostatSimulatorApp -h" for detailed command line options.
"""
_helpInfo = """Available command line options:
-e, --endpoint: Your custom AWS IoT custom endpoint
-w, --websocket: Use MQTT over websocket
-h, --help: Help infomation
"""
def __init__(self):
# Init data members
# Connection related
self._endpoint = ""
self._rootCAFilePathList = ""
self._certificateFilePathList = ""
self._privateKeyFilePathList = ""
self._useWebsocket = False
self._AWSIoTMQTTShadowClient = None
self._thermostatSimulatorShadowHandler = None
# GUI related
self._tkRootHandler = tkinter.Tk()
self._reportedDataVariable = None
self._reportedDataDisplayBox = None
self._desiredDataVariable = None
self._desiredDataDisplayBox = None
self._setTemperatureInputBox = None
self._setTemperatureButton = None
# Check command line inputs
if not self._checkInputs():
raise ValueError("Malformed/Missing command line inputs.")
# Create and configure AWSIoTMQTTShadowClient
self._AWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("ThermostatSimulatorApp", useWebsocket=self._useWebsocket)
if self._useWebsocket:
self._AWSIoTMQTTShadowClient.configureEndpoint(self._endpoint, 443)
self._AWSIoTMQTTShadowClient.configureCredentials(self._rootCAFilePathList[0])
else:
self._AWSIoTMQTTShadowClient.configureEndpoint(self._endpoint, 8883)
self._AWSIoTMQTTShadowClient.configureCredentials(self._rootCAFilePathList[0], self._privateKeyFilePathList[0], self._certificateFilePathList[0])
self._AWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 128, 20)
self._AWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10)
self._AWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5)
# Set keepAlive interval to be 1 second and connect
# Raise exception if there is an error in connecting to AWS IoT
self._AWSIoTMQTTShadowClient.connect(5)
self._thermostatSimulatorShadowHandler = self._AWSIoTMQTTShadowClient.createShadowHandlerWithName("room", True)
# Generate GUI
self._packModule()
# Validate command line inputs
# Return False there is any malformed inputs
# Return True if all the necessary inputs have been discovered
def _checkInputs(self):
gotEoughInputs = True
# Check command line inputs
try:
opts, args = getopt.getopt(sys.argv[1:], "hwe:", ["endpoint=", "websocket", "help"])
if len(opts) == 0:
raise getopt.GetoptError("No input parameters")
for opt, arg in opts:
if opt in ("-e", "--endpoint"):
self._endpoint = arg
if opt in ("-w", "--websocket"):
self._useWebsocket = True
if opt in ("-h", "--help"):
print(self._helpInfo)
gotEoughInputs = False
except getopt.GetoptError:
print(self._usage)
gotEoughInputs = False
# Check credential files
if gotEoughInputs:
self._rootCAFilePathList = glob.glob("./certs/*CA.crt")
if self._useWebsocket:
gotEoughInputs = gotEoughInputs and len(self._rootCAFilePathList) != 0
if not gotEoughInputs:
print("Missing rootCA in ./certs/")
else:
self._certificateFilePathList = glob.glob("./certs/*.pem.crt")
self._privateKeyFilePathList = glob.glob("./certs/*.pem.key")
gotEoughInputs = gotEoughInputs and len(self._rootCAFilePathList) != 0 and len(self._certificateFilePathList) != 0 and len(self._privateKeyFilePathList) != 0
if not gotEoughInputs:
print("Missing rootCA, certificate or private key in ./certs/")
return gotEoughInputs
def _packModule(self):
self._tkRootHandler.title("ThermostatSimulatorApp")
self._tkRootHandler.geometry("500x250")
self._tkRootHandler.resizable(width=False, height=False)
# Pack all frames
baseFrame = tkinter.Frame(self._tkRootHandler)
temperatureFrame = tkinter.Frame(baseFrame)
temperatureFrame.pack(side="top")
controlPanelFrame = tkinter.Frame(baseFrame)
controlPanelFrame.pack(side="bottom")
baseFrame.pack()
# Pack all modules for temperature frame
self._reportedDataVariable = tkinter.StringVar()
self._reportedDataVariable.set("XX.X F")
reportedDataTag = tkinter.Label(temperatureFrame, text="Reported Temperature:", justify="left")
self._reportedDataDisplayBox = tkinter.Label(temperatureFrame, textvariable=self._reportedDataVariable, font=("Arial", 55), justify="left")
#
self._desiredDataVariable = tkinter.StringVar()
self._desiredDataVariable.set("XX.X F")
desiredDataTag = tkinter.Label(temperatureFrame, text="Desired Temperature:", justify="left")
self._desiredDataDisplayBox = tkinter.Label(temperatureFrame, textvariable=self._desiredDataVariable, font=("Arial", 55), justify="left")
#
reportedDataTag.pack()
self._reportedDataDisplayBox.pack()
desiredDataTag.pack()
self._desiredDataDisplayBox.pack()
# Create a callback pool
self._callbackPoolHandler = ThermoSimAppCallbackPool(self._tkRootHandler, self._reportedDataDisplayBox, self._thermostatSimulatorShadowHandler, self._reportedDataVariable, self._desiredDataVariable)
# Pack all modules for control panel frame
self._setTemperatureInputBox = tkinter.Entry(controlPanelFrame)
self._setTemperatureInputBox.pack(sid="left")
self._setTemperatureButton = tkinter.Button(controlPanelFrame, text="SET", command=lambda: self._callbackPoolHandler.buttonCallback(self._setTemperatureInputBox, self._desiredDataVariable))
self._setTemperatureButton.pack()
def runApp(self):
# Start and run the app
self._tkRootHandler.after(500, self._callbackPoolHandler.sendShadowGetForReportedTemperature) # per 500ms
self._tkRootHandler.after(500, self._callbackPoolHandler.updateReportedTemperatureDataVariable) # per 500ms
self._tkRootHandler.mainloop()
aws_secret_access_key= open('keys.txt').readlines()[1].split(None, 1)[0])
s3.download_file('littercam','device-'+str(mac)+'/devicename.txt', 'devicename.txt')
devicename = open('devicename.txt').readline().split(None, 1)[0]
print(devicename)
ShadowClient = AWSIoTMQTTShadowClient("")
ShadowClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com", 8883)
ShadowClient.configureCredentials(get_rootca(),
get_private(),get_cert())
ShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
ShadowClient.configureConnectDisconnectTimeout(30) # 10 sec
ShadowClient.configureMQTTOperationTimeout(10) # 5 sec
ShadowClient.connect()
deviceShadowHandler = ShadowClient.createShadowHandlerWithName(devicename, True)
#shadowCallbackContainer_Bot = shadowCallbackContainer(deviceShadowHandler)
#deviceShadowHandler.shadowRegisterDeltaCallback(shadowCallbackContainer_Bot.customShadowCallback_Delta)
# MQTT Connection establishement
myMQTTClient = AWSIoTMQTTClient(devicename)
myMQTTClient.configureEndpoint("a1oa9tg9lcso0.iot.eu-west-1.amazonaws.com", 8883)
myMQTTClient.configureCredentials(get_rootca(),
get_private(),get_cert())
logger.addHandler(streamHandler) # Init AWSIoTMQTTShadowClient myAWSIoTMQTTShadowClient = None if useWebsocket: myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId, useWebsocket=True) myAWSIoTMQTTShadowClient.configureEndpoint(host, 443) myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath) else: myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(clientId) myAWSIoTMQTTShadowClient.configureEndpoint(host, 8883) myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath) # AWSIoTMQTTShadowClient configuration myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20) myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec # Connect to AWS IoT myAWSIoTMQTTShadowClient.connect() # Create a deviceShadow with persistent subscription deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(thingName, True) # Listen on deltas deviceShadowHandler.shadowRegisterDeltaCallback(customShadowCallback_Delta) # Loop forever while True: time.sleep(1)