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 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 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 __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 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 __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 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():
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 _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 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 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 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 connect_to_shadow_service(self, groupCAPath, coreInfo):
shadowClient = AWSIoTMQTTShadowClient(self.CLIENT_ID)
shadowClient.configureCredentials(groupCAPath, self.PRIVATE_KEY_PATH, self.CERTIFICATE_PATH)
connectivityInfo = coreInfo.connectivityInfoList[0]
ggcHost = connectivityInfo.host
ggcPort = connectivityInfo.port
shadowClient.configureEndpoint(ggcHost, ggcPort)
shadowClient.connect()
return shadowClient
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 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 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)
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)
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)
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 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)
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()
myMQTTClient.publish("topic/raspberry-pi/messages", "Payload message", 1)
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
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
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()
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)
