def test_awsiotmqtt_shadow_client_connect(mock_connect, mock_disconnect):
client = AWSIoTMQTTShadowClient("myClientID",
useWebsocket=False,
hostName="YOUR.ENDPOINT",
portNumber=8883)
with client:
client.createShadowHandlerWithName("Bot", True)
mock_connect.assert_called_once_with(600)
mock_disconnect.assert_called_once_with()
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 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)
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 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 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 _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():
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 __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 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)
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 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
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
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 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 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 local_shadow_connect(device_name, config_file, root_ca, certificate,
private_key, group_ca_dir):
cfg = GroupConfigFile(config_file)
ggd_name = cfg['devices'][device_name]['thing_name']
iot_endpoint = cfg['misc']['iot_endpoint']
dip = DiscoveryInfoProvider()
dip.configureEndpoint(iot_endpoint)
dip.configureCredentials(caPath=root_ca,
certPath=certificate,
keyPath=private_key)
dip.configureTimeout(10) # 10 sec
logging.info(
"[shadow_connect] Discovery using CA:{0} cert:{1} prv_key:{2}".format(
root_ca, certificate, private_key))
gg_core, discovery_info = discover_configured_core(
config_file=config_file,
dip=dip,
device_name=ggd_name,
)
if not gg_core:
raise EnvironmentError("[core_connect] Couldn't find the Core")
ca_list = discovery_info.getAllCas()
core_list = discovery_info.getAllCores()
group_id, ca = ca_list[0]
core_info = core_list[0]
logging.info("Discovered Greengrass Core:{0} from Group:{1}".format(
core_info.coreThingArn, group_id))
group_ca_file = save_group_ca(ca, group_ca_dir, group_id)
# local Greengrass Core discovered
# get a shadow client to receive commands
mqttsc = AWSIoTMQTTShadowClient(ggd_name)
# now connect to Core from this Device
logging.info("[core_connect] gca_file:{0} cert:{1}".format(
group_ca_file, certificate))
mqttsc.configureCredentials(group_ca_file, private_key, certificate)
mqttc = mqttsc.getMQTTConnection()
mqttc.configureOfflinePublishQueueing(10, DROP_OLDEST)
if not mqtt_connect(mqttsc, gg_core):
raise EnvironmentError("connection to Master Shadow failed.")
# create and register the shadow handler on delta topics for commands
# with a persistent connection to the Master shadow
master_shadow = mqttsc.createShadowHandlerWithName(
cfg['misc']['master_shadow_name'], True)
return mqttc, mqttsc, master_shadow, ggd_name
def local_shadow_connect(device_name, config_file, root_ca, certificate,
private_key, group_ca_dir):
cfg = GroupConfigFile(config_file)
ggd_name = cfg['devices'][device_name]['thing_name']
iot_endpoint = cfg['misc']['iot_endpoint']
dip = DiscoveryInfoProvider()
dip.configureEndpoint(iot_endpoint)
dip.configureCredentials(
caPath=root_ca, certPath=certificate, keyPath=private_key
)
dip.configureTimeout(10) # 10 sec
logging.info(
"[shadow_connect] Discovery using CA:{0} cert:{1} prv_key:{2}".format(
root_ca, certificate, private_key
))
gg_core, discovery_info = discover_configured_core(
config_file=config_file, dip=dip, device_name=ggd_name,
)
if not gg_core:
raise EnvironmentError("[core_connect] Couldn't find the Core")
ca_list = discovery_info.getAllCas()
core_list = discovery_info.getAllCores()
group_id, ca = ca_list[0]
core_info = core_list[0]
logging.info("Discovered Greengrass Core:{0} from Group:{1}".format(
core_info.coreThingArn, group_id)
)
group_ca_file = save_group_ca(ca, group_ca_dir, group_id)
# local Greengrass Core discovered
# get a shadow client to receive commands
mqttsc = AWSIoTMQTTShadowClient(ggd_name)
# now connect to Core from this Device
logging.info("[core_connect] gca_file:{0} cert:{1}".format(
group_ca_file, certificate))
mqttsc.configureCredentials(group_ca_file, private_key, certificate)
mqttc = mqttsc.getMQTTConnection()
mqttc.configureOfflinePublishQueueing(10, DROP_OLDEST)
if not mqtt_connect(mqttsc, gg_core):
raise EnvironmentError("connection to Master Shadow failed.")
# create and register the shadow handler on delta topics for commands
# with a persistent connection to the Master shadow
master_shadow = mqttsc.createShadowHandlerWithName(
cfg['misc']['master_shadow_name'], True)
return mqttc, mqttsc, master_shadow, ggd_name
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 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 make_shadow():
p = argparse.ArgumentParser()
p.add_argument("-e",
"--endpoint",
action="store",
required=True,
dest="host",
help="Your AWS IoT custom endpoint")
p.add_argument("-r",
"--rootCA",
action="store",
required=True,
dest="rootCAPath",
help="Root CA file path")
p.add_argument("-c",
"--cert",
action="store",
dest="certificatePath",
help="Certificate file path")
p.add_argument("-k",
"--key",
action="store",
dest="privateKeyPath",
help="Private key file path")
p.add_argument("-n",
"--thingName",
action="store",
dest="thingName",
default="ExamIoTLED",
help="Targeted thing name")
p.add_argument("-id",
"--clientId",
action="store",
dest="clientId",
default="examIoTLedDevice",
help="Targeted client id")
a = p.parse_args()
s = AWSIoTMQTTShadowClient(a.clientId)
s.configureEndpoint(a.host, 8883)
s.configureCredentials(a.rootCAPath, a.privateKeyPath, a.certificatePath)
s.configureAutoReconnectBackoffTime(1, 32, 20)
s.configureConnectDisconnectTimeout(10) # 10 sec
s.configureMQTTOperationTimeout(5) # 5 sec
print('Configuring last will message with the following payload ...')
s.configureLastWill("my/things/{}/update".format(a.thingName),
ShadowPayload.encode(0, 0, 0, 0), 0)
s.connect()
return s.createShadowHandlerWithName(a.thingName, True)
def setClient(answers):
try:
shadowClient = AWSIoTMQTTShadowClient(answers['name']+"Thing")
shadowClient.configureCredentials(answers['root_ca'], answers['private_key'], answers['cert_file'])
except FileNotFoundError as fnf_error:
print('File not found.',fnf_error)
else:
try:
shadowClient.configureEndpoint(answers['host_name'], 8883)
shadowClient.configureConnectDisconnectTimeout(10)
shadowClient.configureMQTTOperationTimeout(5)
shadowClient.connect()
# Create a programmatic representation of the shadow.
return shadowClient.createShadowHandlerWithName(answers['name']+"Thing", True)
except AssertionError as error:
print(error)
def connection_AWS_IOT(self):
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(
pfc_mqtt_topic.AWS_SHADOW_THING_NAME)
myAWSIoTMQTTShadowClient.configureEndpoint(pfc_mqtt_topic.AWS_ENDPOINT,
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_mqtt_topic.AWS_SHADOW_THING_NAME, True)
def switch(onoff):
host = ""
thingName = ""
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()
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
getDeviceStatus(deviceShadowHandler)
def init_shadow_handler(ats_iot_host, ats_iot_port, shadow_name):
shadow_handler = None
try:
shadow_client = AWSIoTMQTTShadowClient(SHADOW_CLIENT_NAME)
shadow_client.configureEndpoint(ats_iot_host, ats_iot_port)
shadow_client.configureCredentials(ROOT_CA, PRIVATE_KEY, CERT_FILE)
shadow_client.configureConnectDisconnectTimeout(10)
shadow_client.configureMQTTOperationTimeout(5)
shadow_client.connect()
shadow_handler = shadow_client.createShadowHandlerWithName(
shadow_name, True)
logging.info('AWS IoT shadow handler initialized')
except Exception as e:
logging.error("unable to initialize shadow handler: %s" % e)
return shadow_handler
def awsiot_loop():
prctl.set_name("awsiot_loop")
logger.info('Starting AWS IoT loop...')
awsiot = AWSIoTMQTTShadowClient(DEVICE_NAME)
awsiot.configureEndpoint(awsiot_endpoint, 8883)
awsiot.configureCredentials(awsiot_ca, awsiot_key, awsiot_cert)
awsiot.configureConnectDisconnectTimeout(10)
awsiot.configureMQTTOperationTimeout(5)
awsiot.connect()
shadow = awsiot.createShadowHandlerWithName(DEVICE_NAME, True)
while True:
time.sleep(0.1)
if awsiot_shutdown:
break
try:
packet = awsiot_queue.get(timeout = 0.1)
o = msgpack.unpackb(packet)
doc = {
"state": {
"reported": {
"temperature": o[b't'],
"humidity": o[b'h']
}
}
}
s = json.dumps(doc)
shadow.shadowUpdate(s, None, 5)
except Empty:
pass
except Exception:
logger.exception("Failed to push sensor packet to AWS IoT")
awsiot.disconnect()
def weather_station(event, context):
"""
Create an AWS IoT shadow client for a specific remote sensor station.
Collect sensor data from the station via an Internet endpoint. Update the
shadow client with the desired subset of available sensor station data.
Args (supplied by AWS Lambda service)
event: information about who/what invoked the Lambda function
context: information about the Lambda function's runtime environment
Returns:
{ 'statusCode': <int value>,
'body': <status string> }
"""
shadow_client = AWSIoTMQTTShadowClient(SHADOW_CLIENT)
shadow_client.configureEndpoint(HOST_NAME, MQTT_PORT)
shadow_client.configureCredentials(ROOT_CA, PRIVATE_KEY, CERT_FILE)
shadow_client.configureConnectDisconnectTimeout(10)
shadow_client.configureMQTTOperationTimeout(5)
if (shadow_client.connect()):
#Create access point for AWS IoT shadow document
device_shadow = shadow_client.createShadowHandlerWithName(
SHADOW_HANDLER, True)
sensor_data = _extract_sensor_data()
if (sensor_data):
# specific format required; ' "state" : {"reported" : {....... '
update_string = '{"state":{"reported":'
update_string += json.dumps(sensor_data)
update_string += '}}'
# result of updating shadow document; set in _my_shadow_update_callback()
device_shadow.shadowUpdate(update_string,
_my_shadow_update_callback, 5)
else:
return_value['statusCode'] = 400
return_value[
'body'] = 'Error connecting to sensor or with sensor data.'
else:
return_value['statusCode'] = 500
return_value['body'] = 'Could not connect to IoT shadow.'
return (return_value)
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.*********"):
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)
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 _get_device_shadow_client(location):
"""
Each vineyard sensor station is set up in IoT Core as a 'Thing' with
its own 'shadow document.' In order to push data into AWS, for a
sensor, you update its shadow document. To do this you use a 'shadow
client' to place a message, containing the incoming sensor data, on
the message queue assigned to the sensor/thing/shadow document. Each
IoT shadow document is assigned its own shadow client. Shadow
clients are created by this module, on demand, and exist for the
duration of this module's execution. Shadow clients will be reused
(for the duration of this module's execution) in cases where multiple
data sensor records are processed for the same sensor station. Reuse
of shadow clients is possible because of the 'True' flag in the
createShadowHandlerWithName() call.
Returns
None if a device shadow could not be retrieved/created
device_shadow if a device shadow could be retrieved/created
"""
global device_shadows
a_device_shadow = None
if(location in device_shadows):
a_device_shadow = device_shadows[location]
else:
a_client = AWSIoTMQTTShadowClient(location)
a_client.configureEndpoint(MQTT_VALUES['host_name'],
MQTT_VALUES['mqtt_port'])
a_client.configureCredentials(SHADOW_SECURITY[location]['root_ca'],
SHADOW_SECURITY[location]['private_key'],
SHADOW_SECURITY[location]['cert_file'])
a_client.configureConnectDisconnectTimeout(10)
a_client.configureMQTTOperationTimeout(5)
if(not a_client.connect()):
sl.log_message('15', ERROR, 'Could not connect to shadow document' +
' for location: ' + location, '')
else:
a_device_shadow = a_client.createShadowHandlerWithName(
SHADOW_SECURITY[location]['handler'], True)
device_shadows[location] = a_device_shadow
return(a_device_shadow)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("ThingShadowEcho", useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("ThingShadowEcho")
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
Bot = myAWSIoTMQTTShadowClient.createShadowHandlerWithName("Pi_Py_SDK", True)
shadowCallbackContainer_Bot = shadowCallbackContainer(Bot)
# Listen on deltas
Bot.shadowRegisterDeltaCallback(shadowCallbackContainer_Bot.customShadowCallback_Delta)
# Loop forever
while True:
pass
logger.addHandler(streamHandler)
# Init AWSIoTMQTTShadowClient
myAWSIoTMQTTShadowClient = None
if useWebsocket:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("basicShadowDeltaListener", useWebsocket=True)
myAWSIoTMQTTShadowClient.configureEndpoint(host, 443)
myAWSIoTMQTTShadowClient.configureCredentials(rootCAPath)
else:
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient("basicShadowDeltaListener")
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
Bot = myAWSIoTMQTTShadowClient.createShadowHandlerWithName("Bot", True)
# Listen on deltas
Bot.shadowRegisterDeltaCallback(customShadowCallback_Delta)
# Loop forever
while True:
pass
class ThermoApp(App):
DEVICE = '/dev/ttyAMA0'
BAUD = 9600
TIMEOUT = 5
ipaddr=''
lastGPUTempRead=0.0
lastWeatherRead=0.0
lastTempPressHumidRead=0.0
lastShadowUpdate=0.0
lastSetAlerts=0.0
ui = ObjectProperty(None)
zones = ObjectProperty(None)
zonemap=['','17','27','22']
zoneData={
'1':ThermoZone(1,17),
'2':ThermoZone(2,27),
'3':ThermoZone(3,22)
}
furnace=Furnace()
currentZone=1
dataFeed = deque()
deviceData={
'AA':ThermoDevice('AA',2,'master'),
'AB':ThermoDevice('AB',2,'tess'),
'AC':ThermoDevice('AC',2,'kate'),
'AD':ThermoDevice('AD',3,'girls'),
'AE':ThermoDevice('AE',1,'snug'),
'AF':ThermoDevice('AF',1,'living'),
'AG':ThermoDevice('AG',0,'porch'),
'AH':ThermoDevice('AH',1,'ground'),
'BM':ThermoDevice('BM',0,'thermo'),
'AW':ThermoDevice('AW',0,'weather'),
'PI':ThermoDevice('PI',0,'GPU')}
ser = serial.Serial(DEVICE, BAUD)
voltage = 0.0
tempvale = 0.0
pressure = 0.0
weather = []
sensor = BME280(mode=BME280_OSAMPLE_8)
host='a2pveb84akyryv.iot.us-east-1.amazonaws.com'
rootCAPath='rootca.key'
privateKeyPath='bdca28f300.private.key'
certificatePath='bdca28f300.cert.pem'
# -e a2pveb84akyryv.iot.us-east-1.amazonaws.com -r rootca.key -c bdca28f300.cert.pem -k bdca28f300.private.key
def show_config(self):
App.open_settings(self)
Window.request_keyboard(self.keyboard_close, self)
def keyboard_close(self):
#print "close"
return
def build_config(self, config):
config.setdefaults('startup', {
'weatherText': 'foobar',
'picSource': 'weather/1.jpg'
})
self.config=config
def build_settings(self, settings):
jsondata = """[
{ "type": "title",
"title": "Thermo application" },
{ "type": "options",
"title": "Initial Weather",
"desc": "Weather Pic",
"section": "startup",
"key": "picSource",
"options": ["weather/1.jpg", "weather/images.jpg", "weather/part_coudy.jpg"] },
{ "type": "string",
"title": "Weather Title",
"desc": "Weather Text",
"section": "startup",
"key": "weatherText" }]"""
settings.add_json_panel('Thermo application', self.config, data=jsondata)
def build(self):
self.ui=ThermoWidget()
self.ui.weatherText='ThermoWidget'
self.ui.picSource='weather/1.jpg'
self.ui.tempDataText="temps"
self.ui.setPointText="0.0"
self.ui.ipAddressText="192.168.0.0"
self.ui.averageTempText="0.0"
self.ui.zoneAlertsText="Loading..."
btn=self.ui.ids['increase']
btn.bind(on_release=self.increaseSetPoint)
btn=self.ui.ids['decrease']
btn.bind(on_release=self.decreaseSetPoint)
self.zones=self.ui.ids['zones']
for z in range(0,4):
btnstate='down' if self.currentZone==z else 'normal'
btn = ToggleButton(
allow_no_selection=False,
text=str(z),
group='zonegroup',
size_hint=(None, None),
halign='center',
state=btnstate,
background_normal='normal.png',
background_down='down.png')
btn.bind(on_release=self.switch_zone)
self.zones.add_widget(btn)
self.ui.weatherText=self.config.get('startup', 'weatherText')
temp = subprocess.check_output(["ifconfig","wlan0"],universal_newlines=True)
pos1=temp.find("inet addr:")
pos2=temp.find(" Bcast:")
self.ui.ipAddressText=temp[pos1+10:pos2]
self.connectMQTT()
Clock.schedule_interval(self.mainLoop, 10.0)
return self.ui
def switch_zone(self,toggle):
self.currentZone=int(toggle.text)
self.updateDisplay()
pass
def increaseSetPoint(self,instance):
self.zoneData[str(self.currentZone)].setPoint+=5.0/9.0
self.takeAction()
self.updateDisplay()
pass
def decreaseSetPoint(self,instance):
self.zoneData[str(self.currentZone)].setPoint-=5.0/9.0
self.takeAction()
self.updateDisplay()
pass
def loadConfig(self):
# read config file into memory vars
return
def avgZone(self,zonenum):
tot=0.0
cnt=0
for i in self.deviceData:
device=self.deviceData[i]
if(device.zone==zonenum):
tot+=float(device.temp)
if(device.temp>0.0):
cnt+=1
if cnt==0:
cnt=1
return tot/cnt
def connectMQTT(self):
self.myShadowClient = AWSIoTMQTTShadowClient("thermo")
#self.myAWSIoTMQTTClient = AWSIoTMQTTClient("thermo")
self.myShadowClient.configureEndpoint(self.host, 8883)
self.myShadowClient.configureCredentials(self.rootCAPath, self.privateKeyPath, self.certificatePath)
# myShadowClient connection configuration
self.myShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
self.myShadowClient.connect()
self.myAWSIoTMQTTClient = self.myShadowClient.getMQTTConnection()
self.myAWSIoTMQTTClient.configureOfflinePublishQueueing(-1) # Infinite offline Publish queueing
self.myAWSIoTMQTTClient.configureDrainingFrequency(2) # Draining: 2 Hz
self.myAWSIoTMQTTClient.configureConnectDisconnectTimeout(10) # 10 sec
self.myAWSIoTMQTTClient.configureMQTTOperationTimeout(5) # 5 sec
# Connect and subscribe to AWS IoT
#self.myAWSIoTMQTTClient.connect()
# myAWSIoTMQTTClient.subscribe("thermo", 1, customCallback)
# self.myAWSIoTMQTTClient.publish("thermo", "[[\'"+(strftime(DATE_FORMAT,localtime())+"\','TT','START','1']]", 1)
# Create a device shadow instance using persistent subscription
self.myDeviceShadow = self.myShadowClient.createShadowHandlerWithName("mythermo", True)
return
def updateDeviceShadow(self):
if(time()-self.lastShadowUpdate > 300):
thingState={
"state" : {
"reported" : {
"sensors" : {
},
"zones" : {
},
"furnace" : {
}
}
}
}
for i in self.deviceData:
device=self.deviceData[i]
thingState["state"]["reported"]["sensors"][device.id]={"temp":tformat(device.temp),"location":device.location,"batt":device.batt,"alert":device.alert,"lastupdate":device.lastupdate,"press":device.press,"humid":device.humid}
for i in self.zoneData:
zone=self.zoneData[i]
thingState["state"]["reported"]["zones"][zone.id]={"status":zone.status, "average":tformat(zone.average), "setPoint":tformat(zone.setPoint), "triggertemp":tformat(zone.triggertemp), "alert":zone.alert}
thingState["state"]["reported"]["furnace"]={"onSeconds":self.furnace.onSeconds,"offSeconds":self.furnace.offSeconds,"maxBurnSeconds":self.furnace.maxBurnSeconds,"maxRestSeconds":self.furnace.maxRestSeconds,"status":self.furnace.status,"lastupdate":self.furnace.lastupdate}
self.myDeviceShadow.shadowUpdate(json.dumps(thingState), None, 5)
self.lastShadowUpdate=time()
return
def updateDisplay(self):
# draw everything
# if click then show subpanel or change config
self.ui.setPointText="{:2.0f}".format(self.zoneData[str(self.currentZone)].setPoint*9/5+32.0)
self.ui.averageTempText=tformat(self.avgZone(self.currentZone))
self.ui.tempDataText=''
zonealerts='Alerts:'
for i in self.deviceData:
device=self.deviceData[i]
thisDeviceText=tformat(device.temp)
thisDeviceText+=" "+device.location+" "+device.alert
self.ui.tempDataText+=thisDeviceText+'\n'
for i in self.zoneData:
zone=self.zoneData[i]
if(len(zone.alert)>0):
zonealerts+=" Zone"+str(zone.id)+" "+zone.alert
self.ui.zoneAlertsText=zonealerts
return
def readSensors(self):
# get data from serial RF sensors
# get data from remote PI
# all data in memory only in this function
# get temperature
# messages are 12chars aIDTYPEVALUE aIDAWAKE---- or aIDSLEEPING-
# returns -100 on error, or the temperature as a float
fim = time()+ self.TIMEOUT
voltage = 0
tempvalue = -100
deviceid = ''
while (time()<fim) and (tempvalue == -100):
n = self.ser.inWaiting()
if n != 0:
data = self.ser.read(n)
nb_msg = len(data) / 12
for i in range (0, nb_msg):
msg = data[i*12:(i+1)*12]
deviceid = msg[1:3]
if self.deviceData.has_key(deviceid):
device=self.deviceData[deviceid]
device.lastupdate=strftime(DATE_FORMAT,localtime())
if msg[3:7] == "TEMP":
tempvalue = msg[7:]
device.temp=tempvalue
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), deviceid, "TEMP", tempvalue))
if msg[3:7] == "BATT":
voltage = msg[7:11]
if voltage == "LOW":
voltage = 0.1
device.batt=voltage
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), deviceid+'B', "BATT", voltage))
else:
sleep(5)
return
def getPiSensorData(self):
if(time()-self.lastGPUTempRead > 60):
temp = ""
temp = subprocess.check_output(["/opt/vc/bin/vcgencmd","measure_temp"],universal_newlines=True)
temp = temp[5 : -3]
device=self.deviceData['PI']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=temp
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "PI", "TEMP", temp))
self.lastGPUTempRead = time()
return
def getConnectedSensorData(self):
if(time()-self.lastTempPressHumidRead > 60):
# get BME280 data
temp=self.sensor.read_temperature()-1.0
press=self.sensor.read_pressure()
humid=self.sensor.read_humidity()
self.pressure=press
device=self.deviceData['BM']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=temp
device.press=press
device.humid=humid
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BM", "TEMP", temp))
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BP", "PRESS", press))
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "BH", "HUMID", humid))
self.lastTempPressHumidRead = time()
def getWeather(self):
if(time()-self.lastWeatherRead > 1800):
# get and parse AccuWeather data
cur = re.compile('Currently: (.*)<')
link = "http://rss.accuweather.com/rss/liveweather_rss.asp?metric=0&locCode=US|44022"
f = urllib.urlopen(link)
myfile = f.read()
tempvalue = cur.search(myfile).group(1)
temp=tempvalue[-4:-1]
pos=tempvalue.find(":")
description=tempvalue[0:-5] if pos<0 else tempvalue[0:pos]
description=description.replace(" ","_").lower()
# print("description = [" + description +"]")
device=self.deviceData['AW']
device.lastupdate=strftime(DATE_FORMAT,localtime())
device.temp=(float(temp)-32)*5/9
if device.desc<>description :
self.ui.picSource='weather/'+description+'.jpg' if 6 < localtime()[3] < 18 else 'weather/'+description+'_dark.jpg'
device.desc=description
self.ui.weatherText = tempvalue
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "AW", "NEWS", tempvalue))
self.lastWeatherRead = time()
return
def setAlerts(self):
# Reasons for alerts:
# sensor battery level below 2.3
# sensor not reporting ( sensor data age > 5x reporting )
# temperature not under control = falling when attempting to raise
# alert if temp not correct direction for 10 minutes
# need control switch date time
if(time()-self.lastSetAlerts > 1800):
for i in self.deviceData:
device=self.deviceData[i]
device.alert=""
if (not device.batt is None) & (device.batt<2.5):
device.alert="LOW"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "LOW Battery in "+device.location, device.batt))
self.lastSetAlerts = time()
if (len(device.lastupdate)>0) & (device.id!='AW'):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(device.lastupdate,DATE_FORMAT)
#print "{} {}".format(device.location,age.seconds)
if ( age.seconds > 600 ):
device.alert="OLD"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "NO Response in "+device.location, age.seconds))
self.lastSetAlerts = time()
for i in self.zoneData:
zone=self.zoneData[i]
zone.alert=""
if (zone.status):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(zone.lastupdate,DATE_FORMAT)
if (age.seconds>600):
zone.alert="OOC"
self.dataFeed.append((strftime(DATE_FORMAT,localtime()), "ALERT", "OOC in zone "+str(zone.id), tformat(zone.average)))
self.lastSetAlerts = time()
return
def uploadData(self):
# put the data in the cloud or cache in a file until sucess
# add it to the memory deque
# if the deque > 10 try to upload it and any pending updates
# else throw a flag for pending updates and write to a file
if len(self.dataFeed)>10:
try:
# write to a file
#print " write to file"
with open("Output.txt", "a") as text_file:
for record in self.dataFeed:
text_file.write("{},{},{},{}\r\n".format(record[0],record[1],record[2],record[3]))
# write to cloud
#print " write to cloud"
self.myAWSIoTMQTTClient.publish("thermo", json.dumps(list(self.dataFeed)), 1)
# clear the deque
self.dataFeed.clear()
except:
print("Unexpected error in uploadData:", sys.exc_info()[0])
return
def downloadRequests(self):
# get cloud data or web requests
return
def controlZone(self,zone,on,avg):
zoneentry=self.zoneData[str(zone)]
subprocess.call(["gpio", "-g", "write", str(zoneentry.port), "1" if on else "0"])
furnaceWasOn=False
for i in self.zoneData:
furnaceWasOn|=self.zoneData[i].status
if(zoneentry.status != on):
zoneentry.status=on
furnaceIsOn=False
for i in self.zoneData:
furnaceIsOn|=self.zoneData[i].status
if(furnaceIsOn!=furnaceWasOn):
self.furnace.status=furnaceIsOn
if (len(self.furnace.lastupdate)>0):
age = datetime.datetime.strptime(strftime(DATE_FORMAT,localtime()),DATE_FORMAT) - datetime.datetime.strptime(self.furnace.lastupdate,DATE_FORMAT)
# if it is now on - age is how long it was off
if(furnaceIsOn):
self.furnace.offSeconds+=age.seconds
if(age.seconds>self.furnace.maxRestSeconds):
self.furnace.maxRestSeconds=age.seconds
# if it is now off - age is how long it was on
else:
self.furnace.onSeconds+=age.seconds
if(age.seconds>self.furnace.maxBurnSeconds):
self.furnace.maxBurnSeconds=age.seconds
self.furnace.lastupdate=strftime(DATE_FORMAT,localtime())
zoneentry.lastupdate=strftime(DATE_FORMAT,localtime())
zoneentry.triggertemp=avg
return
def takeAction(self):
# contains all rules to make decisions based on data
for i in self.zoneData:
zone=self.zoneData[i]
zone.average=self.avgZone(zone.id)
if(zone.average<10.0):
self.controlZone(zone.id,False,zone.average)
return
#print "average in zone {} is {}".format(zone.id,zone.average)
if(zone.average<zone.setPoint-0.5):
self.controlZone(zone.id,True,zone.average)
#turn it on
if(zone.average>zone.setPoint):
self.controlZone(zone.id,False,zone.average)
#turn it off
return
def mainLoop(self,args):
try:
#print 'config'
self.loadConfig()
#print 'getWeather'
self.getWeather()
#print 'getPI'
self.getPiSensorData()
#print 'getBME'
self.getConnectedSensorData()
#print 'read'
self.readSensors()
#print 'alerts'
self.setAlerts()
#print 'update'
self.updateDisplay()
#print 'update shadow'
self.updateDeviceShadow()
#print 'upload'
self.uploadData()
#print 'download'
self.downloadRequests()
#print 'action'
self.takeAction()
except:
type_, value_, traceback_ = sys.exc_info()
print "EXCEPTION {}\r\n{}\r\n{}".format(type_, value_, traceback.format_tb(traceback_))
self.dataFeed.append(value_)
return
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)
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()
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())
myMQTTClient.configureOfflinePublishQueueing(-1) # Infinite offline Publish queueing
myMQTTClient.configureDrainingFrequency(2) # Draining: 2 Hz
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()
myMQTTClient.publish("topic/raspberry-pi/messages", "Payload message", 1)
def initialize(device_name, config_file, root_ca, certificate, private_key,
group_ca_path):
global ggd_name
cfg = GroupConfigFile(config_file)
local = dict()
remote = dict()
# determine heartbeat device's thing name and endpoint for MQTT clients
ggd_name = cfg['devices'][device_name]['thing_name']
iot_endpoint = cfg['misc']['iot_endpoint']
# Discover Greengrass Core
dip = DiscoveryInfoProvider()
dip.configureEndpoint(iot_endpoint)
dip.configureCredentials(
caPath=root_ca, certPath=certificate, keyPath=private_key
)
dip.configureTimeout(10) # 10 sec
log.info("Discovery using CA: {0} certificate: {1} prv_key: {2}".format(
root_ca, certificate, private_key
))
# Now discover the groups in which this device is a member.
# The arm should only be in two groups. The local and master groups.
discovered, discovery_info = utils.ggc_discovery(
ggd_name, dip, retry_count=10, max_groups=2
)
# Each group returned has a groupId which can compare to the configured
# groupId in the config file. If the IDs match, the 'local' Group has been
# found and therefore local core.
# If the groupId's do not match, the 'remote' or 'master' group has been
# found.
group_list = discovery_info.getAllGroups()
for g in group_list:
logging.info("[initialize] group_id:{0}".format(g.groupId))
if g.groupId == cfg['group']['id']:
local_cores = g.coreConnectivityInfoList
local['core'] = local_cores[0] # just grab first core as local
local['ca'] = g.caList
else:
remote_cores = g.coreConnectivityInfoList
remote['core'] = remote_cores[0] # just grab first core as remote
remote['ca'] = g.caList
if len(local) > 1 and len(remote) > 1:
logging.info("[initialize] local_core:{0} remote_core:{1}".format(
local, remote
))
else:
raise EnvironmentError("Couldn't find the arm's Cores.")
# just save one of the group's CAs to use as a CA file later
local_core_ca_file = utils.save_group_ca(
local['ca'][0], group_ca_path, local['core'].groupId
)
remote_core_ca_file = utils.save_group_ca(
remote['ca'][0], group_ca_path, remote['core'].groupId
)
# Greengrass Cores discovered, now connect to Cores from this Device
# get a client to send telemetry
local_mqttc = AWSIoTMQTTClient(ggd_name)
log.info("[initialize] local gca_file:{0} cert:{1}".format(
local_core_ca_file, certificate))
local_mqttc.configureCredentials(
local_core_ca_file, private_key, certificate
)
local_mqttc.configureOfflinePublishQueueing(10, DROP_OLDEST)
if not utils.mqtt_connect(mqtt_client=local_mqttc, core_info=local['core']):
raise EnvironmentError("Connection to GG Core MQTT failed.")
# get a shadow client to receive commands
master_shadow_client = AWSIoTMQTTShadowClient(ggd_name)
log.info("[initialize] remote ca_file:{0} cert:{1}".format(
local_core_ca_file, certificate))
remote_mqttc = master_shadow_client.getMQTTConnection()
remote_mqttc.configureCredentials(
remote_core_ca_file, private_key, certificate
)
if not utils.mqtt_connect(mqtt_client=master_shadow_client,
core_info=remote['core']):
raise EnvironmentError("Connection to Master Shadow failed.")
# create and register the shadow handler on delta topics for commands
# with a persistent connection to the Master shadow
master_shadow = master_shadow_client.createShadowHandlerWithName(
cfg['misc']['master_shadow_name'], True)
log.info("[initialize] created handler for shadow name: {0}".format(
cfg['misc']['master_shadow_name']
))
token = master_shadow.shadowGet(shadow_mgr, 5)
log.info("[initialize] shadowGet() tk:{0}".format(token))
return local_mqttc, remote_mqttc, master_shadow
