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 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 setup(self):
self.log(">setup")
mqtt_shadow_client = AWSIoTMQTTShadowClient(self.name)
mqtt_shadow_client.disableMetricsCollection()
# Configurations
# For TLS mutual authentication
mqtt_shadow_client.configureEndpoint(self.endpoint, self.mqtt_port)
mqtt_shadow_client.configureCredentials("/tmp/rootCA.pem", "/tmp/key",
"/tmp/cert")
self._mqtt_client = mqtt_shadow_client.getMQTTConnection()
self._mqtt_client.configureOfflinePublishQueueing(
-1) # Infinite offline Publish queueing
self._mqtt_client.configureDrainingFrequency(2) # Draining: 2 Hz
self._mqtt_client.configureConnectDisconnectTimeout(10) # 10 sec
self._mqtt_client.configureMQTTOperationTimeout(5) # 5 sec
if self._lwt_topic:
self.log(" setup - Setting LWT... '{}' / '{}'".format(
self._lwt_topic, self._lwt_message))
mqtt_shadow_client.configureLastWill(self._lwt_topic,
self._lwt_message, 1)
if not self.connect(mqtt_shadow_client):
return
# Create a deviceShadow with persistent subscription
#deviceShadowHandler = myMQTTShadowClient.createShadowHandlerWithName(client_id, True)
#shadowCallbackContainer_Bot = shadowCallbackContainer(deviceShadowHandler)
time.sleep(2)
#JOBS
self.setup_jobs_callbacks(self.name)
#SHADOW TOPICS
self.setup_shadow_callbacks(self.name)
#COMMAND / REPLY PATTERN
self._mqtt_client.subscribe("cmd/ac/{}/req".format(self.name), 0,
self.handle_cmd_reply_callback)
return
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()
bulbColor = "green"
# Confiugre last will message
JSONPayload = '{"state":{"reported":{"connected": "no"}}}'
myAWSIoTMQTTShadowClient.configureLastWill('bulb/lastwill', JSONPayload, 1)
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
# Shadow JSON schema:
#
# Name: Bot
# {
# "state": {
# "desired":{
# "color": "green"
# }
# }
#}
logger.addHandler(streamHandler)
'''
# Init AWSIoTMQTTShadowClient
ShadowClient = None
ShadowClient = AWSIoTMQTTShadowClient("OpenEvseGate_" + utils.randomword(10))
ShadowClient.configureEndpoint(host, 8883)
ShadowClient.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
# AWSIoTMQTTShadowClient configuration
ShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
ShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
ShadowClient.configureMQTTOperationTimeout(5) # 5 sec
lwttopic = 'my/things/' + shadowName + '/shadow/update'
ShadowClient.configureLastWill(lwttopic,
'{"state":{"desired":{"iotconnected":false}}}',
0)
# Connect to AWS IoT
ShadowClient.connect()
# Create a deviceShadow with persistent subscription
deviceshadow = ShadowClient.createShadowHandlerWithName(shadowName, True)
evesGate = OpenEvseGateWay(deviceshadow)
deviceshadow.shadowRegisterDeltaCallback(evesGate.ShadowCallback_Delta)
###
deviceshadow.shadowUpdate('{"state":{"desired":{"iotconnected":true}}}', None,
5)
### RAPI thread start
#connect to AWS
myAWSIoTMQTTShadowClient = None
#lastWillPayload = {"errorType":"Device"}
lastWillPayload = '{"errorType":"Device","deviceID":"' + thingName + '"}'
myAWSIoTMQTTShadowClient = AWSIoTMQTTShadowClient(thingName)
myAWSIoTMQTTShadowClient.configureEndpoint(
"a1f18ishzwlosz-ats.iot.ap-southeast-2.amazonaws.com", 8883)
#myAWSIoTMQTTShadowClient.configureCredentials("./AmazonRootCA1.pem", "./f45483b5db-private.pem.key", "./f45483b5db-certificate.pem.crt")
myAWSIoTMQTTShadowClient.configureCredentials(
"./AmazonRootCA1.pem", "./90b9981671-private.pem.key",
"./90b9981671-certificate.pem.crt")
myAWSIoTMQTTShadowClient.configureLastWill("LNH_ALARM", lastWillPayload, 1)
#myAWSIoTMQTTShadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
#myAWSIoTMQTTShadowClient.configureConnectDisconnectTimeout(10) # 10 sec
#myAWSIoTMQTTShadowClient.configureMQTTOperationTimeout(5) # 5 sec
connected = myAWSIoTMQTTShadowClient.connect(keepAliveIntervalSecond=30)
print("Connection : " + str(connected))
#MQTTClient = myAWSIoTMQTTShadowClient.getMQTTConnection()
#MQTTClient.configureOfflinePublishQueueing(10,0)
# Create a deviceShadow with persistent subscription
deviceShadowHandler = myAWSIoTMQTTShadowClient.createShadowHandlerWithName(
thingName, True)
#print("preparing to get shadow")
# Update shadow in a loop
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
streamHandler.setFormatter(formatter)
logger.addHandler(streamHandler)
# For certificate based connection
shadowClient = AWSIoTMQTTShadowClient(config["clientId"])
shadowClient.configureEndpoint(config["mqttHost"], 8883)
shadowClient.configureCredentials("certs/rootCA.pem", "certs/private.key",
"certs/cert.pem")
# AWSIoTMQTTShadowClient configuration
shadowClient.configureAutoReconnectBackoffTime(1, 32, 20)
shadowClient.configureConnectDisconnectTimeout(10) # 10 sec
shadowClient.configureMQTTOperationTimeout(5) # 5 sec
shadowClient.configureLastWill(config["clientId"],
'{"state":{"reported":{"connected":false}}}', 1)
shadowClient.connect()
mqttClient = shadowClient.getMQTTConnection()
def shadowUpdateCallback(payload, responseStatus, token):
logger.info("Shadow Update: " + str(payload))
def shadowGetCallback(payload, responseStatus, token):
global state
logger.info("Shadow Get: " + json.dumps(payload))
if responseStatus == "rejected":
newPayload = {"state": {"desired": state, "reported": state}}
